diff options
Diffstat (limited to 'arch')
590 files changed, 12108 insertions, 3685 deletions
diff --git a/arch/alpha/Kconfig.debug b/arch/alpha/Kconfig.debug index 36d0106c32eb..f45f28cc10da 100644 --- a/arch/alpha/Kconfig.debug +++ b/arch/alpha/Kconfig.debug @@ -16,14 +16,6 @@ config DEBUG_RWLOCK too many attempts. If you suspect a rwlock problem or a kernel hacker asks for this option then say Y. Otherwise say N. -config DEBUG_SEMAPHORE - bool "Semaphore debugging" - depends on DEBUG_KERNEL - help - If you say Y here then semaphore processing will issue lots of - verbose debugging messages. If you suspect a semaphore problem or a - kernel hacker asks for this option then say Y. Otherwise say N. - config ALPHA_LEGACY_START_ADDRESS bool "Legacy kernel start address" depends on ALPHA_GENERIC diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index ea405f5713ce..ce857158c1ea 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -953,15 +953,25 @@ osf_setitimer(int which, struct itimerval32 __user *in, struct itimerval32 __use asmlinkage int osf_utimes(char __user *filename, struct timeval32 __user *tvs) { - struct timeval ktvs[2]; + struct timespec tv[2]; if (tvs) { + struct timeval ktvs[2]; if (get_tv32(&ktvs[0], &tvs[0]) || get_tv32(&ktvs[1], &tvs[1])) return -EFAULT; + + if (ktvs[0].tv_usec < 0 || ktvs[0].tv_usec >= 1000000 || + ktvs[1].tv_usec < 0 || ktvs[1].tv_usec >= 1000000) + return -EINVAL; + + tv[0].tv_sec = ktvs[0].tv_sec; + tv[0].tv_nsec = 1000 * ktvs[0].tv_usec; + tv[1].tv_sec = ktvs[1].tv_sec; + tv[1].tv_nsec = 1000 * ktvs[1].tv_usec; } - return do_utimes(AT_FDCWD, filename, tvs ? ktvs : NULL); + return do_utimes(AT_FDCWD, filename, tvs ? tv : NULL, 0); } #define MAX_SELECT_SECONDS \ diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index c15186390693..92b61629fe3f 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -14,7 +14,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index d352c2b05f1a..915f26345c45 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -744,15 +744,6 @@ setup_arch(char **cmdline_p) paging_init(); } -void __init -disable_early_printk(void) -{ - if (alpha_using_srm && srmcons_output) { - unregister_srm_console(); - srmcons_output = 0; - } -} - static char sys_unknown[] = "Unknown"; static char systype_names[][16] = { "0", diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c index 741da0945dc4..7f64aa767d5a 100644 --- a/arch/alpha/kernel/signal.c +++ b/arch/alpha/kernel/signal.c @@ -15,7 +15,6 @@ #include <linux/unistd.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/tty.h> #include <linux/binfmts.h> diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index d1ec4f51df1a..80cfb758ee2b 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -18,7 +18,6 @@ #include <linux/mm.h> #include <linux/threads.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/delay.h> diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c index 85a821aaceb4..930cedc8be24 100644 --- a/arch/alpha/kernel/srmcons.c +++ b/arch/alpha/kernel/srmcons.c @@ -300,7 +300,7 @@ static struct console srmcons = { .write = srm_console_write, .device = srm_console_device, .setup = srm_console_setup, - .flags = CON_PRINTBUFFER, + .flags = CON_PRINTBUFFER | CON_BOOT, .index = -1, }; diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c index 8aa9db834c11..f5862792a167 100644 --- a/arch/alpha/mm/fault.c +++ b/arch/alpha/mm/fault.c @@ -21,7 +21,6 @@ #include <linux/ptrace.h> #include <linux/mman.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/module.h> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 0d8fac3b0371..d7c0984d4a86 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -354,6 +354,7 @@ config ARCH_SA1100 config ARCH_S3C2410 bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443" select GENERIC_GPIO + select GENERIC_TIME help Samsung S3C2410X CPU based systems, such as the Simtec Electronics BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or diff --git a/arch/arm/Makefile b/arch/arm/Makefile index ab9f2d4bd04e..00ea4305ad5d 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -47,8 +47,13 @@ comma = , # Note that GCC does not numerically define an architecture version # macro, but instead defines a whole series of macros which makes # testing for a specific architecture or later rather impossible. +arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7a,-march=armv5t -Wa$(comma)-march=armv7a) arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) +# Only override the compiler option if ARMv6. The ARMv6K extensions are +# always available in ARMv7 +ifeq ($(CONFIG_CPU_32v6),y) arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k) +endif arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t) arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S index 0119c0d5f978..5d78ffb8a9a7 100644 --- a/arch/arm/kernel/head-nommu.S +++ b/arch/arm/kernel/head-nommu.S @@ -33,7 +33,7 @@ * numbers for r1. * */ - __INIT + .section ".text.head", "ax" .type stext, %function ENTRY(stext) msr cpsr_c, #PSR_F_BIT | PSR_I_BIT | SVC_MODE @ ensure svc mode diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 1d35edacc011..41f98b4ba2ee 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -73,7 +73,7 @@ * crap here - that's what the boot loader (or in extreme, well justified * circumstances, zImage) is for. */ - __INIT + .section ".text.head", "ax" .type stext, %function ENTRY(stext) msr cpsr_c, #PSR_F_BIT | PSR_I_BIT | SVC_MODE @ ensure svc mode diff --git a/arch/arm/kernel/init_task.c b/arch/arm/kernel/init_task.c index a00cca0000bd..bd4ef53bc6b9 100644 --- a/arch/arm/kernel/init_task.c +++ b/arch/arm/kernel/init_task.c @@ -31,7 +31,7 @@ EXPORT_SYMBOL(init_mm); * The things we do for performance.. */ union thread_union init_thread_union - __attribute__((__section__(".init.task"))) = + __attribute__((__section__(".data.init_task"))) = { INIT_THREAD_INFO(init_task) }; /* diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 1b061583408e..79b7e5cf5416 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -116,8 +116,8 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, offset += sym->st_value - loc; if (offset & 3 || - offset <= (s32)0xfc000000 || - offset >= (s32)0x04000000) { + offset <= (s32)0xfe000000 || + offset >= (s32)0x02000000) { printk(KERN_ERR "%s: relocation out of range, section " "%d reloc %d sym '%s'\n", module->name, diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 13af4006a40f..6f2f46c2e406 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -13,7 +13,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/ptrace.h> #include <linux/user.h> #include <linux/security.h> diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 070bcb7a6306..1b76d87fa335 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -486,7 +486,7 @@ static void ipi_timer(void) } #ifdef CONFIG_LOCAL_TIMERS -asmlinkage void do_local_timer(struct pt_regs *regs) +asmlinkage void __exception do_local_timer(struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); int cpu = smp_processor_id(); @@ -551,7 +551,7 @@ static void ipi_cpu_stop(unsigned int cpu) * * Bit 0 - Inter-processor function call */ -asmlinkage void do_IPI(struct pt_regs *regs) +asmlinkage void __exception do_IPI(struct pt_regs *regs) { unsigned int cpu = smp_processor_id(); struct ipi_data *ipi = &per_cpu(ipi_data, cpu); diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index f05e66b0f868..10ff36e4e414 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -245,8 +245,8 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) do_exit(SIGSEGV); } -void notify_die(const char *str, struct pt_regs *regs, struct siginfo *info, - unsigned long err, unsigned long trap) +void arm_notify_die(const char *str, struct pt_regs *regs, + struct siginfo *info, unsigned long err, unsigned long trap) { if (user_mode(regs)) { current->thread.error_code = err; @@ -330,7 +330,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs) info.si_code = ILL_ILLOPC; info.si_addr = pc; - notify_die("Oops - undefined instruction", regs, &info, 0, 6); + arm_notify_die("Oops - undefined instruction", regs, &info, 0, 6); } asmlinkage void do_unexp_fiq (struct pt_regs *regs) @@ -384,7 +384,7 @@ static int bad_syscall(int n, struct pt_regs *regs) info.si_addr = (void __user *)instruction_pointer(regs) - (thumb_mode(regs) ? 2 : 4); - notify_die("Oops - bad syscall", regs, &info, n, 0); + arm_notify_die("Oops - bad syscall", regs, &info, n, 0); return regs->ARM_r0; } @@ -428,7 +428,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) info.si_code = SEGV_MAPERR; info.si_addr = NULL; - notify_die("branch through zero", regs, &info, 0, 0); + arm_notify_die("branch through zero", regs, &info, 0, 0); return 0; case NR(breakpoint): /* SWI BREAK_POINT */ @@ -564,7 +564,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) info.si_addr = (void __user *)instruction_pointer(regs) - (thumb_mode(regs) ? 2 : 4); - notify_die("Oops - bad syscall(2)", regs, &info, no, 0); + arm_notify_die("Oops - bad syscall(2)", regs, &info, no, 0); return 0; } @@ -638,7 +638,7 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs) info.si_code = ILL_ILLOPC; info.si_addr = (void __user *)addr; - notify_die("unknown data abort code", regs, &info, instr, 0); + arm_notify_die("unknown data abort code", regs, &info, instr, 0); } void __attribute__((noreturn)) __bug(const char *file, int line) diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 6be67296f333..e4156e7868ce 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -23,11 +23,15 @@ SECTIONS #else . = PAGE_OFFSET + TEXT_OFFSET; #endif - .init : { /* Init code and data */ + .text.head : { _stext = .; - _sinittext = .; + _sinittext = .; + *(.text.head) + } + + .init : { /* Init code and data */ *(.init.text) - _einittext = .; + _einittext = .; __proc_info_begin = .; *(.proc.info.init) __proc_info_end = .; @@ -119,7 +123,7 @@ SECTIONS * first, the init task union, aligned * to an 8192 byte boundary. */ - *(.init.task) + *(.data.init_task) #ifdef CONFIG_XIP_KERNEL . = ALIGN(4096); diff --git a/arch/arm/mach-aaec2000/core.c b/arch/arm/mach-aaec2000/core.c index a950160fcfb6..0446ef2f5bd6 100644 --- a/arch/arm/mach-aaec2000/core.c +++ b/arch/arm/mach-aaec2000/core.c @@ -142,7 +142,7 @@ aaec2000_timer_interrupt(int irq, void *dev_id) static struct irqaction aaec2000_timer_irq = { .name = "AAEC-2000 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = aaec2000_timer_interrupt, }; diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index e238ad8cfd8f..018d637f87fc 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -107,7 +107,7 @@ config ARCH_AT91SAM9260_SAM9XE depends on ARCH_AT91SAM9260 help Select this if you are using Atmel's AT91SAM9XE System-on-Chip. - They are basicaly AT91SAM9260s with various sizes of embedded Flash. + They are basically AT91SAM9260s with various sizes of embedded Flash. comment "AT91SAM9260 / AT91SAM9XE Board Type" diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c index 949199a244c7..a6340357585d 100644 --- a/arch/arm/mach-at91/at91rm9200_time.c +++ b/arch/arm/mach-at91/at91rm9200_time.c @@ -87,7 +87,7 @@ static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id) static struct irqaction at91rm9200_timer_irq = { .name = "at91_tick", - .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = at91rm9200_timer_interrupt }; diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c index a4dded27fa16..5c090c9442f5 100644 --- a/arch/arm/mach-at91/at91sam926x_time.c +++ b/arch/arm/mach-at91/at91sam926x_time.c @@ -66,7 +66,7 @@ static irqreturn_t at91sam926x_timer_interrupt(int irq, void *dev_id) static struct irqaction at91sam926x_timer_irq = { .name = "at91_tick", - .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = at91sam926x_timer_interrupt }; diff --git a/arch/arm/mach-clps711x/time.c b/arch/arm/mach-clps711x/time.c index 428493dd4687..f428af7545b4 100644 --- a/arch/arm/mach-clps711x/time.c +++ b/arch/arm/mach-clps711x/time.c @@ -58,7 +58,7 @@ p720t_timer_interrupt(int irq, void *dev_id) static struct irqaction clps711x_timer_irq = { .name = "CLPS711x Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = p720t_timer_interrupt, }; diff --git a/arch/arm/mach-clps7500/core.c b/arch/arm/mach-clps7500/core.c index 231b90004736..4dde34f25e63 100644 --- a/arch/arm/mach-clps7500/core.c +++ b/arch/arm/mach-clps7500/core.c @@ -316,7 +316,7 @@ clps7500_timer_interrupt(int irq, void *dev_id) static struct irqaction clps7500_timer_irq = { .name = "CLPS7500 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = clps7500_timer_interrupt, }; diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c index 8459431cfd71..8c1b5690dfe8 100644 --- a/arch/arm/mach-ebsa110/core.c +++ b/arch/arm/mach-ebsa110/core.c @@ -199,7 +199,7 @@ ebsa110_timer_interrupt(int irq, void *dev_id) static struct irqaction ebsa110_timer_irq = { .name = "EBSA110 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = ebsa110_timer_interrupt, }; diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index 829aed696d98..851cc7158ca3 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -116,7 +116,7 @@ static int ep93xx_timer_interrupt(int irq, void *dev_id) static struct irqaction ep93xx_timer_irq = { .name = "ep93xx timer", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = ep93xx_timer_interrupt, }; diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c index fa6be870c6c2..3a63941d43be 100644 --- a/arch/arm/mach-footbridge/dc21285-timer.c +++ b/arch/arm/mach-footbridge/dc21285-timer.c @@ -44,7 +44,7 @@ timer1_interrupt(int irq, void *dev_id) static struct irqaction footbridge_timer_irq = { .name = "Timer1 timer tick", .handler = timer1_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, }; /* diff --git a/arch/arm/mach-footbridge/isa-timer.c b/arch/arm/mach-footbridge/isa-timer.c index d884a3954fb4..d08d64139d00 100644 --- a/arch/arm/mach-footbridge/isa-timer.c +++ b/arch/arm/mach-footbridge/isa-timer.c @@ -73,7 +73,7 @@ isa_timer_interrupt(int irq, void *dev_id) static struct irqaction isa_timer_irq = { .name = "ISA timer tick", .handler = isa_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, }; static void __init isa_timer_init(void) diff --git a/arch/arm/mach-h720x/cpu-h7201.c b/arch/arm/mach-h720x/cpu-h7201.c index 13f76bdb3d9d..9107b8e2ad6e 100644 --- a/arch/arm/mach-h720x/cpu-h7201.c +++ b/arch/arm/mach-h720x/cpu-h7201.c @@ -41,7 +41,7 @@ h7201_timer_interrupt(int irq, void *dev_id) static struct irqaction h7201_timer_irq = { .name = "h7201 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = h7201_timer_interrupt, }; diff --git a/arch/arm/mach-h720x/cpu-h7202.c b/arch/arm/mach-h720x/cpu-h7202.c index 703870f30adf..82e420d6fd19 100644 --- a/arch/arm/mach-h720x/cpu-h7202.c +++ b/arch/arm/mach-h720x/cpu-h7202.c @@ -170,7 +170,7 @@ static struct irq_chip h7202_timerx_chip = { static struct irqaction h7202_timer_irq = { .name = "h7202 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = h7202_timer_interrupt, }; diff --git a/arch/arm/mach-imx/time.c b/arch/arm/mach-imx/time.c index 2703a730baf7..6960a9d04217 100644 --- a/arch/arm/mach-imx/time.c +++ b/arch/arm/mach-imx/time.c @@ -56,7 +56,7 @@ imx_timer_interrupt(int irq, void *dev_id) static struct irqaction imx_timer_irq = { .name = "i.MX Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = imx_timer_interrupt, }; diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index 8d880cb9ba39..897c21c2fb5b 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c @@ -282,7 +282,7 @@ integrator_timer_interrupt(int irq, void *dev_id) static struct irqaction integrator_timer_irq = { .name = "Integrator Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = integrator_timer_interrupt, }; diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c index 9cf2498dc99e..cb6ad211887a 100644 --- a/arch/arm/mach-ixp2000/core.c +++ b/arch/arm/mach-ixp2000/core.c @@ -224,7 +224,7 @@ static int ixp2000_timer_interrupt(int irq, void *dev_id) static struct irqaction ixp2000_timer_irq = { .name = "IXP2000 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = ixp2000_timer_interrupt, }; diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c index ce6ad635a00c..b644bbab7d0a 100644 --- a/arch/arm/mach-ixp23xx/core.c +++ b/arch/arm/mach-ixp23xx/core.c @@ -363,7 +363,7 @@ ixp23xx_timer_interrupt(int irq, void *dev_id) static struct irqaction ixp23xx_timer_irq = { .name = "IXP23xx Timer Tick", .handler = ixp23xx_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, }; void __init ixp23xx_init_timer(void) diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index f5cae1e46b7e..64685da1462d 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -279,7 +279,7 @@ static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id) static struct irqaction ixp4xx_timer_irq = { .name = "timer1", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = ixp4xx_timer_interrupt, }; diff --git a/arch/arm/mach-lh7a40x/time.c b/arch/arm/mach-lh7a40x/time.c index bef3c4b68d3b..c25316d02537 100644 --- a/arch/arm/mach-lh7a40x/time.c +++ b/arch/arm/mach-lh7a40x/time.c @@ -53,7 +53,7 @@ lh7a40x_timer_interrupt(int irq, void *dev_id) static struct irqaction lh7a40x_timer_irq = { .name = "LHA740x Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = lh7a40x_timer_interrupt, }; diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c index 7e132fcccd47..4762e207b0bf 100644 --- a/arch/arm/mach-netx/time.c +++ b/arch/arm/mach-netx/time.c @@ -47,7 +47,7 @@ netx_timer_interrupt(int irq, void *dev_id) static struct irqaction netx_timer_irq = { .name = "NetX Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = netx_timer_interrupt, }; diff --git a/arch/arm/mach-ns9xxx/time.c b/arch/arm/mach-ns9xxx/time.c index eec05f18714a..dd257084441c 100644 --- a/arch/arm/mach-ns9xxx/time.c +++ b/arch/arm/mach-ns9xxx/time.c @@ -53,7 +53,7 @@ static unsigned long ns9xxx_timer_gettimeoffset(void) static struct irqaction ns9xxx_timer_irq = { .name = "NS9xxx Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = ns9xxx_timer_interrupt, }; diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig index 8781aaeb576b..856c681ebbbc 100644 --- a/arch/arm/mach-omap1/Kconfig +++ b/arch/arm/mach-omap1/Kconfig @@ -22,6 +22,7 @@ comment "OMAP Board Type" config MACH_OMAP_INNOVATOR bool "TI Innovator" depends on ARCH_OMAP1 && (ARCH_OMAP15XX || ARCH_OMAP16XX) + select OMAP_MCBSP help TI OMAP 1510 or 1610 Innovator board support. Say Y here if you have such a board. @@ -29,6 +30,7 @@ config MACH_OMAP_INNOVATOR config MACH_OMAP_H2 bool "TI H2 Support" depends on ARCH_OMAP1 && ARCH_OMAP16XX + select OMAP_MCBSP help TI OMAP 1610/1611B H2 board support. Say Y here if you have such a board. @@ -36,6 +38,7 @@ config MACH_OMAP_H2 config MACH_OMAP_H3 bool "TI H3 Support" depends on ARCH_OMAP1 && ARCH_OMAP16XX + select GPIOEXPANDER_OMAP help TI OMAP 1710 H3 board support. Say Y here if you have such a board. @@ -43,7 +46,7 @@ config MACH_OMAP_H3 config MACH_OMAP_OSK bool "TI OSK Support" depends on ARCH_OMAP1 && ARCH_OMAP16XX - select TPS65010 + select OMAP_MCBSP help TI OMAP 5912 OSK (OMAP Starter Kit) board support. Say Y here if you have such a board. @@ -84,7 +87,7 @@ config MACH_OMAP_PALMTE Support for the Palm Tungsten E PDA. Currently only the LCD panel is supported. To boot the kernel, you'll need a PalmOS compatible bootloader; check out http://palmtelinux.sourceforge.net for more - informations. + information. Say Y here if you have such a PDA, say NO otherwise. config MACH_NOKIA770 diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile index 7165f74f78da..a8b9a00cea22 100644 --- a/arch/arm/mach-omap1/Makefile +++ b/arch/arm/mach-omap1/Makefile @@ -37,4 +37,3 @@ led-$(CONFIG_MACH_OMAP_INNOVATOR) += leds-innovator.o led-$(CONFIG_MACH_OMAP_PERSEUS2) += leds-h2p2-debug.o led-$(CONFIG_MACH_OMAP_OSK) += leds-osk.o obj-$(CONFIG_LEDS) += $(led-y) - diff --git a/arch/arm/mach-omap1/board-fsample.c b/arch/arm/mach-omap1/board-fsample.c index 62e42c7a628e..f65baa95986e 100644 --- a/arch/arm/mach-omap1/board-fsample.c +++ b/arch/arm/mach-omap1/board-fsample.c @@ -246,7 +246,7 @@ static void __init fsample_init_smc91x(void) mdelay(50); } -void omap_fsample_init_irq(void) +static void __init omap_fsample_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c index 9d2346fb68f4..7b260b7c537b 100644 --- a/arch/arm/mach-omap1/board-h3.c +++ b/arch/arm/mach-omap1/board-h3.c @@ -455,7 +455,7 @@ static void __init h3_init_smc91x(void) } } -void h3_init_irq(void) +static void __init h3_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c index cb00530ad279..7e63a41e37c6 100644 --- a/arch/arm/mach-omap1/board-innovator.c +++ b/arch/arm/mach-omap1/board-innovator.c @@ -308,7 +308,7 @@ static void __init innovator_init_smc91x(void) } } -void innovator_init_irq(void) +static void __init innovator_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c index fa4be962df67..1d5c8d509722 100644 --- a/arch/arm/mach-omap1/board-perseus2.c +++ b/arch/arm/mach-omap1/board-perseus2.c @@ -246,7 +246,7 @@ static void __init perseus2_init_smc91x(void) mdelay(50); } -void omap_perseus2_init_irq(void) +static void __init omap_perseus2_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c index 6dcd10ab4496..da8a3ac47e13 100644 --- a/arch/arm/mach-omap1/devices.c +++ b/arch/arm/mach-omap1/devices.c @@ -24,35 +24,6 @@ #include <asm/arch/mux.h> #include <asm/arch/gpio.h> -#if defined(CONFIG_OMAP1610_IR) || defined(CONFIG_OMAP161O_IR_MODULE) - -static u64 irda_dmamask = 0xffffffff; - -static struct platform_device omap1610ir_device = { - .name = "omap1610-ir", - .id = -1, - .dev = { - .dma_mask = &irda_dmamask, - }, -}; - -static void omap_init_irda(void) -{ - /* FIXME define and use a boot tag, members something like: - * u8 uart; // uart1, or uart3 - * ... but driver only handles uart3 for now - * s16 fir_sel; // gpio for SIR vs FIR - * ... may prefer a callback for SIR/MIR/FIR mode select; - * while h2 uses a GPIO, H3 uses a gpio expander - */ - if (machine_is_omap_h2() - || machine_is_omap_h3()) - (void) platform_device_register(&omap1610ir_device); -} -#else -static inline void omap_init_irda(void) {} -#endif - /*-------------------------------------------------------------------------*/ #if defined(CONFIG_RTC_DRV_OMAP) || defined(CONFIG_RTC_DRV_OMAP_MODULE) @@ -90,6 +61,45 @@ static void omap_init_rtc(void) static inline void omap_init_rtc(void) {} #endif +#if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) + +#if defined(CONFIG_ARCH_OMAP15XX) +# define OMAP1_MBOX_SIZE 0x23 +# define INT_DSP_MAILBOX1 INT_1510_DSP_MAILBOX1 +#elif defined(CONFIG_ARCH_OMAP16XX) +# define OMAP1_MBOX_SIZE 0x2f +# define INT_DSP_MAILBOX1 INT_1610_DSP_MAILBOX1 +#endif + +#define OMAP1_MBOX_BASE IO_ADDRESS(OMAP16XX_MAILBOX_BASE) + +static struct resource mbox_resources[] = { + { + .start = OMAP1_MBOX_BASE, + .end = OMAP1_MBOX_BASE + OMAP1_MBOX_SIZE, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_DSP_MAILBOX1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mbox_device = { + .name = "mailbox", + .id = -1, + .num_resources = ARRAY_SIZE(mbox_resources), + .resource = mbox_resources, +}; + +static inline void omap_init_mbox(void) +{ + platform_device_register(&mbox_device); +} +#else +static inline void omap_init_mbox(void) { } +#endif + #if defined(CONFIG_OMAP_STI) #define OMAP1_STI_BASE IO_ADDRESS(0xfffea000) @@ -154,7 +164,8 @@ static int __init omap1_init_devices(void) /* please keep these calls, and their implementations above, * in alphabetical order so they're easier to sort through. */ - omap_init_irda(); + + omap_init_mbox(); omap_init_rtc(); omap_init_sti(); diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c index fab8b0b27cfb..81c4e738506c 100644 --- a/arch/arm/mach-omap1/io.c +++ b/arch/arm/mach-omap1/io.c @@ -17,11 +17,11 @@ #include <asm/io.h> #include <asm/arch/mux.h> #include <asm/arch/tc.h> -#include <asm/arch/omapfb.h> extern int omap1_clk_init(void); extern void omap_check_revision(void); extern void omap_sram_init(void); +extern void omapfb_reserve_sdram(void); /* * The machine specific code may provide the extra mapping besides the @@ -121,7 +121,7 @@ void __init omap1_map_common_io(void) #endif omap_sram_init(); - omapfb_reserve_mem(); + omapfb_reserve_sdram(); } /* diff --git a/arch/arm/mach-omap1/mailbox.c b/arch/arm/mach-omap1/mailbox.c new file mode 100644 index 000000000000..d3abf5609902 --- /dev/null +++ b/arch/arm/mach-omap1/mailbox.c @@ -0,0 +1,206 @@ +/* + * Mailbox reservation modules for DSP + * + * Copyright (C) 2006 Nokia Corporation + * Written by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/kernel.h> +#include <linux/resource.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <asm/arch/mailbox.h> +#include <asm/arch/irqs.h> +#include <asm/io.h> + +#define MAILBOX_ARM2DSP1 0x00 +#define MAILBOX_ARM2DSP1b 0x04 +#define MAILBOX_DSP2ARM1 0x08 +#define MAILBOX_DSP2ARM1b 0x0c +#define MAILBOX_DSP2ARM2 0x10 +#define MAILBOX_DSP2ARM2b 0x14 +#define MAILBOX_ARM2DSP1_Flag 0x18 +#define MAILBOX_DSP2ARM1_Flag 0x1c +#define MAILBOX_DSP2ARM2_Flag 0x20 + +unsigned long mbox_base; + +struct omap_mbox1_fifo { + unsigned long cmd; + unsigned long data; + unsigned long flag; +}; + +struct omap_mbox1_priv { + struct omap_mbox1_fifo tx_fifo; + struct omap_mbox1_fifo rx_fifo; +}; + +static inline int mbox_read_reg(unsigned int reg) +{ + return __raw_readw(mbox_base + reg); +} + +static inline void mbox_write_reg(unsigned int val, unsigned int reg) +{ + __raw_writew(val, mbox_base + reg); +} + +/* msg */ +static inline mbox_msg_t omap1_mbox_fifo_read(struct omap_mbox *mbox) +{ + struct omap_mbox1_fifo *fifo = + &((struct omap_mbox1_priv *)mbox->priv)->rx_fifo; + mbox_msg_t msg; + + msg = mbox_read_reg(fifo->data); + msg |= ((mbox_msg_t) mbox_read_reg(fifo->cmd)) << 16; + + return msg; +} + +static inline void +omap1_mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg) +{ + struct omap_mbox1_fifo *fifo = + &((struct omap_mbox1_priv *)mbox->priv)->tx_fifo; + + mbox_write_reg(msg & 0xffff, fifo->data); + mbox_write_reg(msg >> 16, fifo->cmd); +} + +static inline int omap1_mbox_fifo_empty(struct omap_mbox *mbox) +{ + return 0; +} + +static inline int omap1_mbox_fifo_full(struct omap_mbox *mbox) +{ + struct omap_mbox1_fifo *fifo = + &((struct omap_mbox1_priv *)mbox->priv)->rx_fifo; + + return (mbox_read_reg(fifo->flag)); +} + +/* irq */ +static inline void +omap1_mbox_enable_irq(struct omap_mbox *mbox, omap_mbox_type_t irq) +{ + if (irq == IRQ_RX) + enable_irq(mbox->irq); +} + +static inline void +omap1_mbox_disable_irq(struct omap_mbox *mbox, omap_mbox_type_t irq) +{ + if (irq == IRQ_RX) + disable_irq(mbox->irq); +} + +static inline int +omap1_mbox_is_irq(struct omap_mbox *mbox, omap_mbox_type_t irq) +{ + if (irq == IRQ_TX) + return 0; + return 1; +} + +static struct omap_mbox_ops omap1_mbox_ops = { + .type = OMAP_MBOX_TYPE1, + .fifo_read = omap1_mbox_fifo_read, + .fifo_write = omap1_mbox_fifo_write, + .fifo_empty = omap1_mbox_fifo_empty, + .fifo_full = omap1_mbox_fifo_full, + .enable_irq = omap1_mbox_enable_irq, + .disable_irq = omap1_mbox_disable_irq, + .is_irq = omap1_mbox_is_irq, +}; + +/* FIXME: the following struct should be created automatically by the user id */ + +/* DSP */ +static struct omap_mbox1_priv omap1_mbox_dsp_priv = { + .tx_fifo = { + .cmd = MAILBOX_ARM2DSP1b, + .data = MAILBOX_ARM2DSP1, + .flag = MAILBOX_ARM2DSP1_Flag, + }, + .rx_fifo = { + .cmd = MAILBOX_DSP2ARM1b, + .data = MAILBOX_DSP2ARM1, + .flag = MAILBOX_DSP2ARM1_Flag, + }, +}; + +struct omap_mbox mbox_dsp_info = { + .name = "dsp", + .ops = &omap1_mbox_ops, + .priv = &omap1_mbox_dsp_priv, +}; +EXPORT_SYMBOL(mbox_dsp_info); + +static int __init omap1_mbox_probe(struct platform_device *pdev) +{ + struct resource *res; + int ret = 0; + + if (pdev->num_resources != 2) { + dev_err(&pdev->dev, "invalid number of resources: %d\n", + pdev->num_resources); + return -ENODEV; + } + + /* MBOX base */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (unlikely(!res)) { + dev_err(&pdev->dev, "invalid mem resource\n"); + return -ENODEV; + } + mbox_base = res->start; + + /* DSP IRQ */ + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (unlikely(!res)) { + dev_err(&pdev->dev, "invalid irq resource\n"); + return -ENODEV; + } + mbox_dsp_info.irq = res->start; + + ret = omap_mbox_register(&mbox_dsp_info); + + return ret; +} + +static int omap1_mbox_remove(struct platform_device *pdev) +{ + omap_mbox_unregister(&mbox_dsp_info); + + return 0; +} + +static struct platform_driver omap1_mbox_driver = { + .probe = omap1_mbox_probe, + .remove = omap1_mbox_remove, + .driver = { + .name = "mailbox", + }, +}; + +static int __init omap1_mbox_init(void) +{ + return platform_driver_register(&omap1_mbox_driver); +} + +static void __exit omap1_mbox_exit(void) +{ + platform_driver_unregister(&omap1_mbox_driver); +} + +module_init(omap1_mbox_init); +module_exit(omap1_mbox_exit); + +MODULE_LICENSE("GPL"); diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c index 85e048b259f5..3705d20c4e5c 100644 --- a/arch/arm/mach-omap1/time.c +++ b/arch/arm/mach-omap1/time.c @@ -179,7 +179,7 @@ static irqreturn_t omap_mpu_timer1_interrupt(int irq, void *dev_id) static struct irqaction omap_mpu_timer1_irq = { .name = "mpu_timer1", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = omap_mpu_timer1_interrupt, }; diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index aab97ccf1e63..7393109f5c30 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -9,6 +9,7 @@ config ARCH_OMAP2420 bool "OMAP2420 support" depends on ARCH_OMAP24XX select OMAP_DM_TIMER + select ARCH_OMAP_OTG comment "OMAP Board Type" depends on ARCH_OMAP2 @@ -20,6 +21,7 @@ config MACH_OMAP_GENERIC config MACH_OMAP_H4 bool "OMAP 2420 H4 board" depends on ARCH_OMAP2 && ARCH_OMAP24XX + select OMAP_DEBUG_LEDS if LEDS || LEDS_OMAP_DEBUG config MACH_OMAP_APOLLON bool "OMAP 2420 Apollon board" diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index 1e7ed6d22ca9..452193f01531 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -266,12 +266,26 @@ static struct platform_device h4_lcd_device = { .id = -1, }; +static struct resource h4_led_resources[] = { + [0] = { + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device h4_led_device = { + .name = "omap_dbg_led", + .id = -1, + .num_resources = ARRAY_SIZE(h4_led_resources), + .resource = h4_led_resources, +}; + static struct platform_device *h4_devices[] __initdata = { &h4_smc91x_device, &h4_flash_device, &h4_irda_device, &h4_kp_device, &h4_lcd_device, + &h4_led_device, }; static inline void __init h4_init_smc91x(void) diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index aa4322451e8b..52ec2f2d6360 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -24,7 +24,7 @@ #include <asm/arch/mux.h> #include <asm/arch/gpio.h> -#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE) +#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE) #define OMAP2_I2C_BASE2 0x48072000 #define OMAP2_I2C_INT2 57 @@ -42,8 +42,8 @@ static struct resource i2c_resources2[] = { }; static struct platform_device omap_i2c_device2 = { - .name = "i2c_omap", - .id = 2, + .name = "i2c_omap", + .id = 2, .num_resources = ARRAY_SIZE(i2c_resources2), .resource = i2c_resources2, }; @@ -66,6 +66,40 @@ static void omap_init_i2c(void) {} #endif +#if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) +#define OMAP2_MBOX_BASE IO_ADDRESS(OMAP24XX_MAILBOX_BASE) + +static struct resource mbox_resources[] = { + { + .start = OMAP2_MBOX_BASE, + .end = OMAP2_MBOX_BASE + 0x11f, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_24XX_MAIL_U0_MPU, + .flags = IORESOURCE_IRQ, + }, + { + .start = INT_24XX_MAIL_U3_MPU, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mbox_device = { + .name = "mailbox", + .id = -1, + .num_resources = ARRAY_SIZE(mbox_resources), + .resource = mbox_resources, +}; + +static inline void omap_init_mbox(void) +{ + platform_device_register(&mbox_device); +} +#else +static inline void omap_init_mbox(void) { } +#endif + #if defined(CONFIG_OMAP_STI) #define OMAP2_STI_BASE IO_ADDRESS(0x48068000) @@ -111,29 +145,45 @@ static inline void omap_init_sti(void) {} #define OMAP2_MCSPI1_BASE 0x48098000 #define OMAP2_MCSPI2_BASE 0x4809a000 -/* FIXME: use resources instead */ - static struct omap2_mcspi_platform_config omap2_mcspi1_config = { - .base = io_p2v(OMAP2_MCSPI1_BASE), .num_cs = 4, }; +static struct resource omap2_mcspi1_resources[] = { + { + .start = OMAP2_MCSPI1_BASE, + .end = OMAP2_MCSPI1_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, +}; + struct platform_device omap2_mcspi1 = { .name = "omap2_mcspi", .id = 1, + .num_resources = ARRAY_SIZE(omap2_mcspi1_resources), + .resource = omap2_mcspi1_resources, .dev = { .platform_data = &omap2_mcspi1_config, }, }; static struct omap2_mcspi_platform_config omap2_mcspi2_config = { - .base = io_p2v(OMAP2_MCSPI2_BASE), .num_cs = 2, }; +static struct resource omap2_mcspi2_resources[] = { + { + .start = OMAP2_MCSPI2_BASE, + .end = OMAP2_MCSPI2_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, +}; + struct platform_device omap2_mcspi2 = { .name = "omap2_mcspi", .id = 2, + .num_resources = ARRAY_SIZE(omap2_mcspi2_resources), + .resource = omap2_mcspi2_resources, .dev = { .platform_data = &omap2_mcspi2_config, }, @@ -157,10 +207,10 @@ static int __init omap2_init_devices(void) * in alphabetical order so they're easier to sort through. */ omap_init_i2c(); + omap_init_mbox(); omap_init_mcspi(); omap_init_sti(); return 0; } arch_initcall(omap2_init_devices); - diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index d8f57824423f..54c836a98456 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -246,14 +246,22 @@ static int gpmc_cs_mem_enabled(int cs) return l & (1 << 6); } -static void gpmc_cs_set_reserved(int cs, int reserved) +int gpmc_cs_set_reserved(int cs, int reserved) { + if (cs > GPMC_CS_NUM) + return -ENODEV; + gpmc_cs_map &= ~(1 << cs); gpmc_cs_map |= (reserved ? 1 : 0) << cs; + + return 0; } -static int gpmc_cs_reserved(int cs) +int gpmc_cs_reserved(int cs) { + if (cs > GPMC_CS_NUM) + return -ENODEV; + return gpmc_cs_map & (1 << cs); } diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index a0728c33e5d9..82dc70f6b779 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -27,6 +27,7 @@ extern void omap_sram_init(void); extern int omap2_clk_init(void); extern void omap2_check_revision(void); extern void gpmc_init(void); +extern void omapfb_reserve_sdram(void); /* * The machine specific code may provide the extra mapping besides the @@ -40,9 +41,21 @@ static struct map_desc omap2_io_desc[] __initdata = { .type = MT_DEVICE }, { - .virtual = L4_24XX_VIRT, - .pfn = __phys_to_pfn(L4_24XX_PHYS), - .length = L4_24XX_SIZE, + .virtual = DSP_MEM_24XX_VIRT, + .pfn = __phys_to_pfn(DSP_MEM_24XX_PHYS), + .length = DSP_MEM_24XX_SIZE, + .type = MT_DEVICE + }, + { + .virtual = DSP_IPI_24XX_VIRT, + .pfn = __phys_to_pfn(DSP_IPI_24XX_PHYS), + .length = DSP_IPI_24XX_SIZE, + .type = MT_DEVICE + }, + { + .virtual = DSP_MMU_24XX_VIRT, + .pfn = __phys_to_pfn(DSP_MMU_24XX_PHYS), + .length = DSP_MMU_24XX_SIZE, .type = MT_DEVICE } }; @@ -60,7 +73,7 @@ void __init omap2_map_common_io(void) omap2_check_revision(); omap_sram_init(); - omapfb_reserve_mem(); + omapfb_reserve_sdram(); } void __init omap2_init_common_hw(void) diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c new file mode 100644 index 000000000000..b03cd06e055b --- /dev/null +++ b/arch/arm/mach-omap2/mailbox.c @@ -0,0 +1,318 @@ +/* + * Mailbox reservation modules for OMAP2 + * + * Copyright (C) 2006 Nokia Corporation + * Written by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com> + * and Paul Mundt <paul.mundt@nokia.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/kernel.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <asm/arch/mailbox.h> +#include <asm/arch/irqs.h> +#include <asm/io.h> + +#define MAILBOX_REVISION 0x00 +#define MAILBOX_SYSCONFIG 0x10 +#define MAILBOX_SYSSTATUS 0x14 +#define MAILBOX_MESSAGE_0 0x40 +#define MAILBOX_MESSAGE_1 0x44 +#define MAILBOX_MESSAGE_2 0x48 +#define MAILBOX_MESSAGE_3 0x4c +#define MAILBOX_MESSAGE_4 0x50 +#define MAILBOX_MESSAGE_5 0x54 +#define MAILBOX_FIFOSTATUS_0 0x80 +#define MAILBOX_FIFOSTATUS_1 0x84 +#define MAILBOX_FIFOSTATUS_2 0x88 +#define MAILBOX_FIFOSTATUS_3 0x8c +#define MAILBOX_FIFOSTATUS_4 0x90 +#define MAILBOX_FIFOSTATUS_5 0x94 +#define MAILBOX_MSGSTATUS_0 0xc0 +#define MAILBOX_MSGSTATUS_1 0xc4 +#define MAILBOX_MSGSTATUS_2 0xc8 +#define MAILBOX_MSGSTATUS_3 0xcc +#define MAILBOX_MSGSTATUS_4 0xd0 +#define MAILBOX_MSGSTATUS_5 0xd4 +#define MAILBOX_IRQSTATUS_0 0x100 +#define MAILBOX_IRQENABLE_0 0x104 +#define MAILBOX_IRQSTATUS_1 0x108 +#define MAILBOX_IRQENABLE_1 0x10c +#define MAILBOX_IRQSTATUS_2 0x110 +#define MAILBOX_IRQENABLE_2 0x114 +#define MAILBOX_IRQSTATUS_3 0x118 +#define MAILBOX_IRQENABLE_3 0x11c + +static unsigned long mbox_base; + +#define MAILBOX_IRQ_NOTFULL(n) (1 << (2 * (n) + 1)) +#define MAILBOX_IRQ_NEWMSG(n) (1 << (2 * (n))) + +struct omap_mbox2_fifo { + unsigned long msg; + unsigned long fifo_stat; + unsigned long msg_stat; +}; + +struct omap_mbox2_priv { + struct omap_mbox2_fifo tx_fifo; + struct omap_mbox2_fifo rx_fifo; + unsigned long irqenable; + unsigned long irqstatus; + u32 newmsg_bit; + u32 notfull_bit; +}; + +static struct clk *mbox_ick_handle; + +static inline unsigned int mbox_read_reg(unsigned int reg) +{ + return __raw_readl(mbox_base + reg); +} + +static inline void mbox_write_reg(unsigned int val, unsigned int reg) +{ + __raw_writel(val, mbox_base + reg); +} + +/* Mailbox H/W preparations */ +static inline int omap2_mbox_startup(struct omap_mbox *mbox) +{ + unsigned int l; + + mbox_ick_handle = clk_get(NULL, "mailboxes_ick"); + if (IS_ERR(mbox_ick_handle)) { + printk("Could not get mailboxes_ick\n"); + return -ENODEV; + } + clk_enable(mbox_ick_handle); + + /* set smart-idle & autoidle */ + l = mbox_read_reg(MAILBOX_SYSCONFIG); + l |= 0x00000011; + mbox_write_reg(l, MAILBOX_SYSCONFIG); + + return 0; +} + +static inline void omap2_mbox_shutdown(struct omap_mbox *mbox) +{ + clk_disable(mbox_ick_handle); + clk_put(mbox_ick_handle); +} + +/* Mailbox FIFO handle functions */ +static inline mbox_msg_t omap2_mbox_fifo_read(struct omap_mbox *mbox) +{ + struct omap_mbox2_fifo *fifo = + &((struct omap_mbox2_priv *)mbox->priv)->rx_fifo; + return (mbox_msg_t) mbox_read_reg(fifo->msg); +} + +static inline void omap2_mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg) +{ + struct omap_mbox2_fifo *fifo = + &((struct omap_mbox2_priv *)mbox->priv)->tx_fifo; + mbox_write_reg(msg, fifo->msg); +} + +static inline int omap2_mbox_fifo_empty(struct omap_mbox *mbox) +{ + struct omap_mbox2_fifo *fifo = + &((struct omap_mbox2_priv *)mbox->priv)->rx_fifo; + return (mbox_read_reg(fifo->msg_stat) == 0); +} + +static inline int omap2_mbox_fifo_full(struct omap_mbox *mbox) +{ + struct omap_mbox2_fifo *fifo = + &((struct omap_mbox2_priv *)mbox->priv)->tx_fifo; + return (mbox_read_reg(fifo->fifo_stat)); +} + +/* Mailbox IRQ handle functions */ +static inline void omap2_mbox_enable_irq(struct omap_mbox *mbox, + omap_mbox_type_t irq) +{ + struct omap_mbox2_priv *p = (struct omap_mbox2_priv *)mbox->priv; + u32 l, bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit; + + l = mbox_read_reg(p->irqenable); + l |= bit; + mbox_write_reg(l, p->irqenable); +} + +static inline void omap2_mbox_disable_irq(struct omap_mbox *mbox, + omap_mbox_type_t irq) +{ + struct omap_mbox2_priv *p = (struct omap_mbox2_priv *)mbox->priv; + u32 l, bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit; + + l = mbox_read_reg(p->irqenable); + l &= ~bit; + mbox_write_reg(l, p->irqenable); +} + +static inline void omap2_mbox_ack_irq(struct omap_mbox *mbox, + omap_mbox_type_t irq) +{ + struct omap_mbox2_priv *p = (struct omap_mbox2_priv *)mbox->priv; + u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit; + + mbox_write_reg(bit, p->irqstatus); +} + +static inline int omap2_mbox_is_irq(struct omap_mbox *mbox, + omap_mbox_type_t irq) +{ + struct omap_mbox2_priv *p = (struct omap_mbox2_priv *)mbox->priv; + u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit; + u32 enable = mbox_read_reg(p->irqenable); + u32 status = mbox_read_reg(p->irqstatus); + + return (enable & status & bit); +} + +static struct omap_mbox_ops omap2_mbox_ops = { + .type = OMAP_MBOX_TYPE2, + .startup = omap2_mbox_startup, + .shutdown = omap2_mbox_shutdown, + .fifo_read = omap2_mbox_fifo_read, + .fifo_write = omap2_mbox_fifo_write, + .fifo_empty = omap2_mbox_fifo_empty, + .fifo_full = omap2_mbox_fifo_full, + .enable_irq = omap2_mbox_enable_irq, + .disable_irq = omap2_mbox_disable_irq, + .ack_irq = omap2_mbox_ack_irq, + .is_irq = omap2_mbox_is_irq, +}; + +/* + * MAILBOX 0: ARM -> DSP, + * MAILBOX 1: ARM <- DSP. + * MAILBOX 2: ARM -> IVA, + * MAILBOX 3: ARM <- IVA. + */ + +/* FIXME: the following structs should be filled automatically by the user id */ + +/* DSP */ +static struct omap_mbox2_priv omap2_mbox_dsp_priv = { + .tx_fifo = { + .msg = MAILBOX_MESSAGE_0, + .fifo_stat = MAILBOX_FIFOSTATUS_0, + }, + .rx_fifo = { + .msg = MAILBOX_MESSAGE_1, + .msg_stat = MAILBOX_MSGSTATUS_1, + }, + .irqenable = MAILBOX_IRQENABLE_0, + .irqstatus = MAILBOX_IRQSTATUS_0, + .notfull_bit = MAILBOX_IRQ_NOTFULL(0), + .newmsg_bit = MAILBOX_IRQ_NEWMSG(1), +}; + +struct omap_mbox mbox_dsp_info = { + .name = "dsp", + .ops = &omap2_mbox_ops, + .priv = &omap2_mbox_dsp_priv, +}; +EXPORT_SYMBOL(mbox_dsp_info); + +/* IVA */ +static struct omap_mbox2_priv omap2_mbox_iva_priv = { + .tx_fifo = { + .msg = MAILBOX_MESSAGE_2, + .fifo_stat = MAILBOX_FIFOSTATUS_2, + }, + .rx_fifo = { + .msg = MAILBOX_MESSAGE_3, + .msg_stat = MAILBOX_MSGSTATUS_3, + }, + .irqenable = MAILBOX_IRQENABLE_3, + .irqstatus = MAILBOX_IRQSTATUS_3, + .notfull_bit = MAILBOX_IRQ_NOTFULL(2), + .newmsg_bit = MAILBOX_IRQ_NEWMSG(3), +}; + +static struct omap_mbox mbox_iva_info = { + .name = "iva", + .ops = &omap2_mbox_ops, + .priv = &omap2_mbox_iva_priv, +}; + +static int __init omap2_mbox_probe(struct platform_device *pdev) +{ + struct resource *res; + int ret = 0; + + if (pdev->num_resources != 3) { + dev_err(&pdev->dev, "invalid number of resources: %d\n", + pdev->num_resources); + return -ENODEV; + } + + /* MBOX base */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (unlikely(!res)) { + dev_err(&pdev->dev, "invalid mem resource\n"); + return -ENODEV; + } + mbox_base = res->start; + + /* DSP IRQ */ + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (unlikely(!res)) { + dev_err(&pdev->dev, "invalid irq resource\n"); + return -ENODEV; + } + mbox_dsp_info.irq = res->start; + + ret = omap_mbox_register(&mbox_dsp_info); + + /* IVA IRQ */ + res = platform_get_resource(pdev, IORESOURCE_IRQ, 1); + if (unlikely(!res)) { + dev_err(&pdev->dev, "invalid irq resource\n"); + return -ENODEV; + } + mbox_iva_info.irq = res->start; + + ret = omap_mbox_register(&mbox_iva_info); + + return ret; +} + +static int omap2_mbox_remove(struct platform_device *pdev) +{ + omap_mbox_unregister(&mbox_dsp_info); + return 0; +} + +static struct platform_driver omap2_mbox_driver = { + .probe = omap2_mbox_probe, + .remove = omap2_mbox_remove, + .driver = { + .name = "mailbox", + }, +}; + +static int __init omap2_mbox_init(void) +{ + return platform_driver_register(&omap2_mbox_driver); +} + +static void __exit omap2_mbox_exit(void) +{ + platform_driver_unregister(&omap2_mbox_driver); +} + +module_init(omap2_mbox_init); +module_exit(omap2_mbox_exit); + +MODULE_LICENSE("GPL"); diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c index 45d1aaa51b57..62e801ef9ad9 100644 --- a/arch/arm/mach-omap2/timer-gp.c +++ b/arch/arm/mach-omap2/timer-gp.c @@ -52,7 +52,7 @@ static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id) static struct irqaction omap2_gp_timer_irq = { .name = "gp timer", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = omap2_gp_timer_interrupt, }; diff --git a/arch/arm/mach-pnx4008/time.c b/arch/arm/mach-pnx4008/time.c index 8621c206ac84..67e05f005a6b 100644 --- a/arch/arm/mach-pnx4008/time.c +++ b/arch/arm/mach-pnx4008/time.c @@ -82,7 +82,7 @@ static irqreturn_t pnx4008_timer_interrupt(int irq, void *dev_id) static struct irqaction pnx4008_timer_irq = { .name = "PNX4008 Tick Timer", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = pnx4008_timer_interrupt }; diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c index fc3b82a740a0..5248abe334d2 100644 --- a/arch/arm/mach-pxa/time.c +++ b/arch/arm/mach-pxa/time.c @@ -97,7 +97,7 @@ pxa_timer_interrupt(int irq, void *dev_id) static struct irqaction pxa_timer_irq = { .name = "PXA Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = pxa_timer_interrupt, }; diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 84d3fe76e94e..c7f1b44da40d 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -549,7 +549,7 @@ static irqreturn_t realview_timer_interrupt(int irq, void *dev_id) static struct irqaction realview_timer_irq = { .name = "RealView Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = realview_timer_interrupt, }; diff --git a/arch/arm/mach-s3c2410/sleep.S b/arch/arm/mach-s3c2410/sleep.S index 637aaba65390..d1eeed2ad47c 100644 --- a/arch/arm/mach-s3c2410/sleep.S +++ b/arch/arm/mach-s3c2410/sleep.S @@ -1,4 +1,4 @@ -/* linux/arch/arm/mach-s3c2410/s3c2410-sleep.S +/* linux/arch/arm/mach-s3c2410/sleep.S * * Copyright (c) 2004 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c index b034ad69a324..b72fee0f2538 100644 --- a/arch/arm/mach-sa1100/h3600.c +++ b/arch/arm/mach-sa1100/h3600.c @@ -740,7 +740,7 @@ static void h3800_IRQ_demux(unsigned int irq, struct irq_desc *desc) static struct irqaction h3800_irq = { .name = "h3800_asic", .handler = h3800_IRQ_demux, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, }; u32 kpio_int_shadow = 0; diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c index 29c89f9eb2ce..416e277054c2 100644 --- a/arch/arm/mach-sa1100/time.c +++ b/arch/arm/mach-sa1100/time.c @@ -111,7 +111,7 @@ sa1100_timer_interrupt(int irq, void *dev_id) static struct irqaction sa1100_timer_irq = { .name = "SA11xx Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = sa1100_timer_interrupt, }; diff --git a/arch/arm/mach-shark/core.c b/arch/arm/mach-shark/core.c index 0e480fae8ec5..a0545db2a34f 100644 --- a/arch/arm/mach-shark/core.c +++ b/arch/arm/mach-shark/core.c @@ -90,7 +90,7 @@ shark_timer_interrupt(int irq, void *dev_id) static struct irqaction shark_timer_irq = { .name = "Shark Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = shark_timer_interrupt, }; diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 1275aa7d2eb1..a7dd09436cbc 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -891,7 +891,7 @@ static irqreturn_t versatile_timer_interrupt(int irq, void *dev_id) static struct irqaction versatile_timer_irq = { .name = "Versatile Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = versatile_timer_interrupt, }; diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index e684e9b38216..b81391a4e374 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -366,6 +366,19 @@ config CPU_32v6K enabled will not boot on processors with do not support these instructions. +# ARMv7 +config CPU_V7 + bool "Support ARM V7 processor" + depends on ARCH_INTEGRATOR + select CPU_32v6K + select CPU_32v7 + select CPU_ABRT_EV7 + select CPU_CACHE_V7 + select CPU_CACHE_VIPT + select CPU_CP15_MMU + select CPU_COPY_V6 if MMU + select CPU_TLB_V6 if MMU + # Figure out what processor architecture version we should be using. # This defines the compiler instruction set which depends on the machine type. config CPU_32v3 @@ -391,6 +404,9 @@ config CPU_32v5 config CPU_32v6 bool +config CPU_32v7 + bool + # The abort model config CPU_ABRT_NOMMU bool @@ -413,6 +429,9 @@ config CPU_ABRT_EV5TJ config CPU_ABRT_EV6 bool +config CPU_ABRT_EV7 + bool + # The cache model config CPU_CACHE_V3 bool @@ -429,6 +448,9 @@ config CPU_CACHE_V4WB config CPU_CACHE_V6 bool +config CPU_CACHE_V7 + bool + config CPU_CACHE_VIVT bool @@ -503,7 +525,7 @@ comment "Processor Features" config ARM_THUMB bool "Support Thumb user binaries" - depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_V6 + depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_V6 || CPU_V7 default y help Say Y if you want to include kernel support for running user space @@ -578,9 +600,15 @@ config CPU_CACHE_ROUND_ROBIN Say Y here to use the predictable round-robin cache replacement policy. Unless you specifically require this or are unsure, say N. +config CPU_L2CACHE_DISABLE + bool "Disable level 2 cache" + depends on CPU_V7 + help + Say Y here to disable the level 2 cache. If unsure, say N. + config CPU_BPREDICT_DISABLE bool "Disable branch prediction" - depends on CPU_ARM1020 || CPU_V6 || CPU_XSC3 + depends on CPU_ARM1020 || CPU_V6 || CPU_XSC3 || CPU_V7 help Say Y here to disable branch prediction. If unsure, say N. diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile index 2f8b95947774..b5bd335ff14a 100644 --- a/arch/arm/mm/Makefile +++ b/arch/arm/mm/Makefile @@ -24,12 +24,14 @@ obj-$(CONFIG_CPU_ABRT_LV4T) += abort-lv4t.o obj-$(CONFIG_CPU_ABRT_EV5T) += abort-ev5t.o obj-$(CONFIG_CPU_ABRT_EV5TJ) += abort-ev5tj.o obj-$(CONFIG_CPU_ABRT_EV6) += abort-ev6.o +obj-$(CONFIG_CPU_ABRT_EV7) += abort-ev7.o obj-$(CONFIG_CPU_CACHE_V3) += cache-v3.o obj-$(CONFIG_CPU_CACHE_V4) += cache-v4.o obj-$(CONFIG_CPU_CACHE_V4WT) += cache-v4wt.o obj-$(CONFIG_CPU_CACHE_V4WB) += cache-v4wb.o obj-$(CONFIG_CPU_CACHE_V6) += cache-v6.o +obj-$(CONFIG_CPU_CACHE_V7) += cache-v7.o obj-$(CONFIG_CPU_COPY_V3) += copypage-v3.o obj-$(CONFIG_CPU_COPY_V4WT) += copypage-v4wt.o @@ -66,5 +68,6 @@ obj-$(CONFIG_CPU_SA1100) += proc-sa1100.o obj-$(CONFIG_CPU_XSCALE) += proc-xscale.o obj-$(CONFIG_CPU_XSC3) += proc-xsc3.o obj-$(CONFIG_CPU_V6) += proc-v6.o +obj-$(CONFIG_CPU_V7) += proc-v7.o obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o diff --git a/arch/arm/mm/abort-ev7.S b/arch/arm/mm/abort-ev7.S new file mode 100644 index 000000000000..eb90bce38e14 --- /dev/null +++ b/arch/arm/mm/abort-ev7.S @@ -0,0 +1,32 @@ +#include <linux/linkage.h> +#include <asm/assembler.h> +/* + * Function: v7_early_abort + * + * Params : r2 = address of aborted instruction + * : r3 = saved SPSR + * + * Returns : r0 = address of abort + * : r1 = FSR, bit 11 = write + * : r2-r8 = corrupted + * : r9 = preserved + * : sp = pointer to registers + * + * Purpose : obtain information about current aborted instruction. + */ + .align 5 +ENTRY(v7_early_abort) + /* + * The effect of data aborts on on the exclusive access monitor are + * UNPREDICTABLE. Do a CLREX to clear the state + */ + clrex + + mrc p15, 0, r1, c5, c0, 0 @ get FSR + mrc p15, 0, r0, c6, c0, 0 @ get FAR + + /* + * V6 code adjusts the returned DFSR. + * New designs should not need to patch up faults. + */ + mov pc, lr diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S new file mode 100644 index 000000000000..35ffc4d95997 --- /dev/null +++ b/arch/arm/mm/cache-v7.S @@ -0,0 +1,253 @@ +/* + * linux/arch/arm/mm/cache-v7.S + * + * Copyright (C) 2001 Deep Blue Solutions Ltd. + * Copyright (C) 2005 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This is the "shell" of the ARMv7 processor support. + */ +#include <linux/linkage.h> +#include <linux/init.h> +#include <asm/assembler.h> + +#include "proc-macros.S" + +/* + * v7_flush_dcache_all() + * + * Flush the whole D-cache. + * + * Corrupted registers: r0-r5, r7, r9-r11 + * + * - mm - mm_struct describing address space + */ +ENTRY(v7_flush_dcache_all) + mrc p15, 1, r0, c0, c0, 1 @ read clidr + ands r3, r0, #0x7000000 @ extract loc from clidr + mov r3, r3, lsr #23 @ left align loc bit field + beq finished @ if loc is 0, then no need to clean + mov r10, #0 @ start clean at cache level 0 +loop1: + add r2, r10, r10, lsr #1 @ work out 3x current cache level + mov r1, r0, lsr r2 @ extract cache type bits from clidr + and r1, r1, #7 @ mask of the bits for current cache only + cmp r1, #2 @ see what cache we have at this level + blt skip @ skip if no cache, or just i-cache + mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr + isb @ isb to sych the new cssr&csidr + mrc p15, 1, r1, c0, c0, 0 @ read the new csidr + and r2, r1, #7 @ extract the length of the cache lines + add r2, r2, #4 @ add 4 (line length offset) + ldr r4, =0x3ff + ands r4, r4, r1, lsr #3 @ find maximum number on the way size + clz r5, r4 @ find bit position of way size increment + ldr r7, =0x7fff + ands r7, r7, r1, lsr #13 @ extract max number of the index size +loop2: + mov r9, r4 @ create working copy of max way size +loop3: + orr r11, r10, r9, lsl r5 @ factor way and cache number into r11 + orr r11, r11, r7, lsl r2 @ factor index number into r11 + mcr p15, 0, r11, c7, c14, 2 @ clean & invalidate by set/way + subs r9, r9, #1 @ decrement the way + bge loop3 + subs r7, r7, #1 @ decrement the index + bge loop2 +skip: + add r10, r10, #2 @ increment cache number + cmp r3, r10 + bgt loop1 +finished: + mov r10, #0 @ swith back to cache level 0 + mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr + isb + mov pc, lr + +/* + * v7_flush_cache_all() + * + * Flush the entire cache system. + * The data cache flush is now achieved using atomic clean / invalidates + * working outwards from L1 cache. This is done using Set/Way based cache + * maintainance instructions. + * The instruction cache can still be invalidated back to the point of + * unification in a single instruction. + * + */ +ENTRY(v7_flush_kern_cache_all) + stmfd sp!, {r4-r5, r7, r9-r11, lr} + bl v7_flush_dcache_all + mov r0, #0 + mcr p15, 0, r0, c7, c5, 0 @ I+BTB cache invalidate + ldmfd sp!, {r4-r5, r7, r9-r11, lr} + mov pc, lr + +/* + * v7_flush_cache_all() + * + * Flush all TLB entries in a particular address space + * + * - mm - mm_struct describing address space + */ +ENTRY(v7_flush_user_cache_all) + /*FALLTHROUGH*/ + +/* + * v7_flush_cache_range(start, end, flags) + * + * Flush a range of TLB entries in the specified address space. + * + * - start - start address (may not be aligned) + * - end - end address (exclusive, may not be aligned) + * - flags - vm_area_struct flags describing address space + * + * It is assumed that: + * - we have a VIPT cache. + */ +ENTRY(v7_flush_user_cache_range) + mov pc, lr + +/* + * v7_coherent_kern_range(start,end) + * + * Ensure that the I and D caches are coherent within specified + * region. This is typically used when code has been written to + * a memory region, and will be executed. + * + * - start - virtual start address of region + * - end - virtual end address of region + * + * It is assumed that: + * - the Icache does not read data from the write buffer + */ +ENTRY(v7_coherent_kern_range) + /* FALLTHROUGH */ + +/* + * v7_coherent_user_range(start,end) + * + * Ensure that the I and D caches are coherent within specified + * region. This is typically used when code has been written to + * a memory region, and will be executed. + * + * - start - virtual start address of region + * - end - virtual end address of region + * + * It is assumed that: + * - the Icache does not read data from the write buffer + */ +ENTRY(v7_coherent_user_range) + dcache_line_size r2, r3 + sub r3, r2, #1 + bic r0, r0, r3 +1: mcr p15, 0, r0, c7, c11, 1 @ clean D line to the point of unification + dsb + mcr p15, 0, r0, c7, c5, 1 @ invalidate I line + add r0, r0, r2 + cmp r0, r1 + blo 1b + mov r0, #0 + mcr p15, 0, r0, c7, c5, 6 @ invalidate BTB + dsb + isb + mov pc, lr + +/* + * v7_flush_kern_dcache_page(kaddr) + * + * Ensure that the data held in the page kaddr is written back + * to the page in question. + * + * - kaddr - kernel address (guaranteed to be page aligned) + */ +ENTRY(v7_flush_kern_dcache_page) + dcache_line_size r2, r3 + add r1, r0, #PAGE_SZ +1: + mcr p15, 0, r0, c7, c14, 1 @ clean & invalidate D line / unified line + add r0, r0, r2 + cmp r0, r1 + blo 1b + dsb + mov pc, lr + +/* + * v7_dma_inv_range(start,end) + * + * Invalidate the data cache within the specified region; we will + * be performing a DMA operation in this region and we want to + * purge old data in the cache. + * + * - start - virtual start address of region + * - end - virtual end address of region + */ +ENTRY(v7_dma_inv_range) + dcache_line_size r2, r3 + sub r3, r2, #1 + tst r0, r3 + bic r0, r0, r3 + mcrne p15, 0, r0, c7, c14, 1 @ clean & invalidate D / U line + + tst r1, r3 + bic r1, r1, r3 + mcrne p15, 0, r1, c7, c14, 1 @ clean & invalidate D / U line +1: + mcr p15, 0, r0, c7, c6, 1 @ invalidate D / U line + add r0, r0, r2 + cmp r0, r1 + blo 1b + dsb + mov pc, lr + +/* + * v7_dma_clean_range(start,end) + * - start - virtual start address of region + * - end - virtual end address of region + */ +ENTRY(v7_dma_clean_range) + dcache_line_size r2, r3 + sub r3, r2, #1 + bic r0, r0, r3 +1: + mcr p15, 0, r0, c7, c10, 1 @ clean D / U line + add r0, r0, r2 + cmp r0, r1 + blo 1b + dsb + mov pc, lr + +/* + * v7_dma_flush_range(start,end) + * - start - virtual start address of region + * - end - virtual end address of region + */ +ENTRY(v7_dma_flush_range) + dcache_line_size r2, r3 + sub r3, r2, #1 + bic r0, r0, r3 +1: + mcr p15, 0, r0, c7, c14, 1 @ clean & invalidate D / U line + add r0, r0, r2 + cmp r0, r1 + blo 1b + dsb + mov pc, lr + + __INITDATA + + .type v7_cache_fns, #object +ENTRY(v7_cache_fns) + .long v7_flush_kern_cache_all + .long v7_flush_user_cache_all + .long v7_flush_user_cache_range + .long v7_coherent_kern_range + .long v7_coherent_user_range + .long v7_flush_kern_dcache_page + .long v7_dma_inv_range + .long v7_dma_clean_range + .long v7_dma_flush_range + .size v7_cache_fns, . - v7_cache_fns diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c index 9da43a0fdcdf..fc84fcc74380 100644 --- a/arch/arm/mm/context.c +++ b/arch/arm/mm/context.c @@ -14,7 +14,8 @@ #include <asm/mmu_context.h> #include <asm/tlbflush.h> -unsigned int cpu_last_asid = { 1 << ASID_BITS }; +static DEFINE_SPINLOCK(cpu_asid_lock); +unsigned int cpu_last_asid = ASID_FIRST_VERSION; /* * We fork()ed a process, and we need a new context for the child @@ -31,15 +32,16 @@ void __new_context(struct mm_struct *mm) { unsigned int asid; + spin_lock(&cpu_asid_lock); asid = ++cpu_last_asid; if (asid == 0) - asid = cpu_last_asid = 1 << ASID_BITS; + asid = cpu_last_asid = ASID_FIRST_VERSION; /* * If we've used up all our ASIDs, we need * to start a new version and flush the TLB. */ - if ((asid & ~ASID_MASK) == 0) { + if (unlikely((asid & ~ASID_MASK) == 0)) { asid = ++cpu_last_asid; /* set the reserved ASID before flushing the TLB */ asm("mcr p15, 0, %0, c13, c0, 1 @ set reserved context ID\n" @@ -47,7 +49,16 @@ void __new_context(struct mm_struct *mm) : "r" (0)); isb(); flush_tlb_all(); + if (icache_is_vivt_asid_tagged()) { + asm("mcr p15, 0, %0, c7, c5, 0 @ invalidate I-cache\n" + "mcr p15, 0, %0, c7, c5, 6 @ flush BTAC/BTB\n" + : + : "r" (0)); + dsb(); + } } + spin_unlock(&cpu_asid_lock); + mm->cpu_vm_mask = cpumask_of_cpu(smp_processor_id()); mm->context.id = asid; } diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 5d9ce7deb4a7..75d491448e45 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -453,7 +453,7 @@ do_DataAbort(unsigned long addr, unsigned int fsr, struct pt_regs *regs) info.si_errno = 0; info.si_code = inf->code; info.si_addr = (void __user *)addr; - notify_die("", regs, &info, fsr, 0); + arm_notify_die("", regs, &info, fsr, 0); } asmlinkage void __exception diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S index 9e2c89eb2115..b13150052a76 100644 --- a/arch/arm/mm/proc-macros.S +++ b/arch/arm/mm/proc-macros.S @@ -59,3 +59,15 @@ .word \ucset #endif .endm + +/* + * cache_line_size - get the cache line size from the CSIDR register + * (available on ARMv7+). It assumes that the CSSR register was configured + * to access the L1 data cache CSIDR. + */ + .macro dcache_line_size, reg, tmp + mrc p15, 1, \tmp, c0, c0, 0 @ read CSIDR + and \tmp, \tmp, #7 @ cache line size encoding + mov \reg, #16 @ size offset + mov \reg, \reg, lsl \tmp @ actual cache line size + .endm diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S new file mode 100644 index 000000000000..dd823dd4a374 --- /dev/null +++ b/arch/arm/mm/proc-v7.S @@ -0,0 +1,262 @@ +/* + * linux/arch/arm/mm/proc-v7.S + * + * Copyright (C) 2001 Deep Blue Solutions Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This is the "shell" of the ARMv7 processor support. + */ +#include <linux/linkage.h> +#include <asm/assembler.h> +#include <asm/asm-offsets.h> +#include <asm/elf.h> +#include <asm/pgtable-hwdef.h> +#include <asm/pgtable.h> + +#include "proc-macros.S" + +#define TTB_C (1 << 0) +#define TTB_S (1 << 1) +#define TTB_RGN_OC_WT (2 << 3) +#define TTB_RGN_OC_WB (3 << 3) + +ENTRY(cpu_v7_proc_init) + mov pc, lr + +ENTRY(cpu_v7_proc_fin) + mov pc, lr + +/* + * cpu_v7_reset(loc) + * + * Perform a soft reset of the system. Put the CPU into the + * same state as it would be if it had been reset, and branch + * to what would be the reset vector. + * + * - loc - location to jump to for soft reset + * + * It is assumed that: + */ + .align 5 +ENTRY(cpu_v7_reset) + mov pc, r0 + +/* + * cpu_v7_do_idle() + * + * Idle the processor (eg, wait for interrupt). + * + * IRQs are already disabled. + */ +ENTRY(cpu_v7_do_idle) + .long 0xe320f003 @ ARM V7 WFI instruction + mov pc, lr + +ENTRY(cpu_v7_dcache_clean_area) +#ifndef TLB_CAN_READ_FROM_L1_CACHE + dcache_line_size r2, r3 +1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry + add r0, r0, r2 + subs r1, r1, r2 + bhi 1b + dsb +#endif + mov pc, lr + +/* + * cpu_v7_switch_mm(pgd_phys, tsk) + * + * Set the translation table base pointer to be pgd_phys + * + * - pgd_phys - physical address of new TTB + * + * It is assumed that: + * - we are not using split page tables + */ +ENTRY(cpu_v7_switch_mm) + mov r2, #0 + ldr r1, [r1, #MM_CONTEXT_ID] @ get mm->context.id + orr r0, r0, #TTB_RGN_OC_WB @ mark PTWs outer cacheable, WB + mcr p15, 0, r2, c13, c0, 1 @ set reserved context ID + isb +1: mcr p15, 0, r0, c2, c0, 0 @ set TTB 0 + isb + mcr p15, 0, r1, c13, c0, 1 @ set context ID + isb + mov pc, lr + +/* + * cpu_v7_set_pte_ext(ptep, pte) + * + * Set a level 2 translation table entry. + * + * - ptep - pointer to level 2 translation table entry + * (hardware version is stored at -1024 bytes) + * - pte - PTE value to store + * - ext - value for extended PTE bits + * + * Permissions: + * YUWD APX AP1 AP0 SVC User + * 0xxx 0 0 0 no acc no acc + * 100x 1 0 1 r/o no acc + * 10x0 1 0 1 r/o no acc + * 1011 0 0 1 r/w no acc + * 110x 0 1 0 r/w r/o + * 11x0 0 1 0 r/w r/o + * 1111 0 1 1 r/w r/w + */ +ENTRY(cpu_v7_set_pte_ext) + str r1, [r0], #-2048 @ linux version + + bic r3, r1, #0x000003f0 + bic r3, r3, #0x00000003 + orr r3, r3, r2 + orr r3, r3, #PTE_EXT_AP0 | 2 + + tst r1, #L_PTE_WRITE + tstne r1, #L_PTE_DIRTY + orreq r3, r3, #PTE_EXT_APX + + tst r1, #L_PTE_USER + orrne r3, r3, #PTE_EXT_AP1 + tstne r3, #PTE_EXT_APX + bicne r3, r3, #PTE_EXT_APX | PTE_EXT_AP0 + + tst r1, #L_PTE_YOUNG + biceq r3, r3, #PTE_EXT_APX | PTE_EXT_AP_MASK + + tst r1, #L_PTE_EXEC + orreq r3, r3, #PTE_EXT_XN + + tst r1, #L_PTE_PRESENT + moveq r3, #0 + + str r3, [r0] + mcr p15, 0, r0, c7, c10, 1 @ flush_pte + mov pc, lr + +cpu_v7_name: + .ascii "ARMv7 Processor" + .align + + .section ".text.init", #alloc, #execinstr + +/* + * __v7_setup + * + * Initialise TLB, Caches, and MMU state ready to switch the MMU + * on. Return in r0 the new CP15 C1 control register setting. + * + * We automatically detect if we have a Harvard cache, and use the + * Harvard cache control instructions insead of the unified cache + * control instructions. + * + * This should be able to cover all ARMv7 cores. + * + * It is assumed that: + * - cache type register is implemented + */ +__v7_setup: + adr r12, __v7_setup_stack @ the local stack + stmia r12, {r0-r5, r7, r9, r11, lr} + bl v7_flush_dcache_all + ldmia r12, {r0-r5, r7, r9, r11, lr} + mov r10, #0 +#ifdef HARVARD_CACHE + mcr p15, 0, r10, c7, c5, 0 @ I+BTB cache invalidate +#endif + dsb + mcr p15, 0, r10, c8, c7, 0 @ invalidate I + D TLBs + mcr p15, 0, r10, c2, c0, 2 @ TTB control register + orr r4, r4, #TTB_RGN_OC_WB @ mark PTWs outer cacheable, WB + mcr p15, 0, r4, c2, c0, 0 @ load TTB0 + mcr p15, 0, r4, c2, c0, 1 @ load TTB1 + mov r10, #0x1f @ domains 0, 1 = manager + mcr p15, 0, r10, c3, c0, 0 @ load domain access register +#ifndef CONFIG_CPU_L2CACHE_DISABLE + @ L2 cache configuration in the L2 aux control register + mrc p15, 1, r10, c9, c0, 2 + bic r10, r10, #(1 << 16) @ L2 outer cache + mcr p15, 1, r10, c9, c0, 2 + @ L2 cache is enabled in the aux control register + mrc p15, 0, r10, c1, c0, 1 + orr r10, r10, #2 + mcr p15, 0, r10, c1, c0, 1 +#endif + mrc p15, 0, r0, c1, c0, 0 @ read control register + ldr r10, cr1_clear @ get mask for bits to clear + bic r0, r0, r10 @ clear bits them + ldr r10, cr1_set @ get mask for bits to set + orr r0, r0, r10 @ set them + mov pc, lr @ return to head.S:__ret + + /* + * V X F I D LR + * .... ...E PUI. .T.T 4RVI ZFRS BLDP WCAM + * rrrr rrrx xxx0 0101 xxxx xxxx x111 xxxx < forced + * 0 110 0011 1.00 .111 1101 < we want + */ + .type cr1_clear, #object + .type cr1_set, #object +cr1_clear: + .word 0x0120c302 +cr1_set: + .word 0x00c0387d + +__v7_setup_stack: + .space 4 * 11 @ 11 registers + + .type v7_processor_functions, #object +ENTRY(v7_processor_functions) + .word v7_early_abort + .word cpu_v7_proc_init + .word cpu_v7_proc_fin + .word cpu_v7_reset + .word cpu_v7_do_idle + .word cpu_v7_dcache_clean_area + .word cpu_v7_switch_mm + .word cpu_v7_set_pte_ext + .size v7_processor_functions, . - v7_processor_functions + + .type cpu_arch_name, #object +cpu_arch_name: + .asciz "armv7" + .size cpu_arch_name, . - cpu_arch_name + + .type cpu_elf_name, #object +cpu_elf_name: + .asciz "v7" + .size cpu_elf_name, . - cpu_elf_name + .align + + .section ".proc.info.init", #alloc, #execinstr + + /* + * Match any ARMv7 processor core. + */ + .type __v7_proc_info, #object +__v7_proc_info: + .long 0x000f0000 @ Required ID value + .long 0x000f0000 @ Mask for ID + .long PMD_TYPE_SECT | \ + PMD_SECT_BUFFERABLE | \ + PMD_SECT_CACHEABLE | \ + PMD_SECT_AP_WRITE | \ + PMD_SECT_AP_READ + .long PMD_TYPE_SECT | \ + PMD_SECT_XN | \ + PMD_SECT_AP_WRITE | \ + PMD_SECT_AP_READ + b __v7_setup + .long cpu_arch_name + .long cpu_elf_name + .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP + .long cpu_v7_name + .long v7_processor_functions + .long v6wbi_tlb_fns + .long v6_user_fns + .long v7_cache_fns + .size __v7_proc_info, . - __v7_proc_info diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c index 0cc26da034a1..100d57ad98ed 100644 --- a/arch/arm/plat-iop/time.c +++ b/arch/arm/plat-iop/time.c @@ -75,7 +75,7 @@ iop_timer_interrupt(int irq, void *dev_id) static struct irqaction iop_timer_irq = { .name = "IOP Timer Tick", .handler = iop_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, }; void __init iop_init_time(unsigned long tick_rate) diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index 9e8d21eca4ec..cfc69f3842fd 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -20,6 +20,11 @@ endchoice comment "OMAP Feature Selections" +config OMAP_DEBUG_LEDS + bool + help + For debug card leds on TI reference boards. + config OMAP_RESET_CLOCKS bool "Reset unused clocks during boot" depends on ARCH_OMAP @@ -58,6 +63,14 @@ config OMAP_MUX_WARNINGS to change the pin multiplexing setup. When there are no warnings printed, it's safe to deselect OMAP_MUX for your product. +config OMAP_MCBSP + bool "McBSP support" + depends on ARCH_OMAP + default y + help + Say Y here if you want support for the OMAP Multichannel + Buffered Serial Port. + choice prompt "System timer" default OMAP_MPU_TIMER diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile index 2896b4546411..41a3c1cf3bd4 100644 --- a/arch/arm/plat-omap/Makefile +++ b/arch/arm/plat-omap/Makefile @@ -3,7 +3,8 @@ # # Common support -obj-y := common.o sram.o sram-fn.o clock.o devices.o dma.o mux.o gpio.o mcbsp.o usb.o fb.o +obj-y := common.o sram.o sram-fn.o clock.o devices.o dma.o mux.o gpio.o \ + usb.o fb.o obj-m := obj-n := obj- := @@ -16,4 +17,4 @@ obj-$(CONFIG_ARCH_OMAP16XX) += ocpi.o obj-$(CONFIG_CPU_FREQ) += cpu-omap.o obj-$(CONFIG_OMAP_DM_TIMER) += dmtimer.o - +obj-$(CONFIG_OMAP_DEBUG_LEDS) += debug-leds.o diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index f1179ad4be1b..0a603242f367 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -33,6 +33,41 @@ static DEFINE_SPINLOCK(clockfw_lock); static struct clk_functions *arch_clock; +#ifdef CONFIG_PM_DEBUG + +static void print_parents(struct clk *clk) +{ + struct clk *p; + int printed = 0; + + list_for_each_entry(p, &clocks, node) { + if (p->parent == clk && p->usecount) { + if (!clk->usecount && !printed) { + printk("MISMATCH: %s\n", clk->name); + printed = 1; + } + printk("\t%-15s\n", p->name); + } + } +} + +void clk_print_usecounts(void) +{ + unsigned long flags; + struct clk *p; + + spin_lock_irqsave(&clockfw_lock, flags); + list_for_each_entry(p, &clocks, node) { + if (p->usecount) + printk("%-15s: %d\n", p->name, p->usecount); + print_parents(p); + + } + spin_unlock_irqrestore(&clockfw_lock, flags); +} + +#endif + /*------------------------------------------------------------------------- * Standard clock functions defined in include/linux/clk.h *-------------------------------------------------------------------------*/ @@ -249,6 +284,8 @@ void followparent_recalc(struct clk *clk) return; clk->rate = clk->parent->rate; + if (unlikely(clk->flags & RATE_PROPAGATES)) + propagate_rate(clk); } /* Propagate rate to children */ diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c index fecd3d625995..dd8708ad0a71 100644 --- a/arch/arm/plat-omap/common.c +++ b/arch/arm/plat-omap/common.c @@ -93,8 +93,12 @@ static const void *get_config(u16 tag, size_t len, int skip, size_t *len_out) * in the kernel. */ for (i = 0; i < omap_board_config_size; i++) { if (omap_board_config[i].tag == tag) { - kinfo = &omap_board_config[i]; - break; + if (skip == 0) { + kinfo = &omap_board_config[i]; + break; + } else { + skip--; + } } } if (kinfo == NULL) diff --git a/arch/arm/plat-omap/debug-leds.c b/arch/arm/plat-omap/debug-leds.c new file mode 100644 index 000000000000..9128a80d228f --- /dev/null +++ b/arch/arm/plat-omap/debug-leds.c @@ -0,0 +1,314 @@ +/* + * linux/arch/arm/plat-omap/debug-leds.c + * + * Copyright 2003 by Texas Instruments Incorporated + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> + +#include <asm/io.h> +#include <asm/hardware.h> +#include <asm/leds.h> +#include <asm/system.h> +#include <asm/mach-types.h> + +#include <asm/arch/fpga.h> +#include <asm/arch/gpio.h> + + +/* Many OMAP development platforms reuse the same "debug board"; these + * platforms include H2, H3, H4, and Perseus2. There are 16 LEDs on the + * debug board (all green), accessed through FPGA registers. + * + * The "surfer" expansion board and H2 sample board also have two-color + * green+red LEDs (in parallel), used here for timer and idle indicators + * in preference to the ones on the debug board, for a "Disco LED" effect. + * + * This driver exports either the original ARM LED API, the new generic + * one, or both. + */ + +static spinlock_t lock; +static struct h2p2_dbg_fpga __iomem *fpga; +static u16 led_state, hw_led_state; + + +#ifdef CONFIG_LEDS_OMAP_DEBUG +#define new_led_api() 1 +#else +#define new_led_api() 0 +#endif + + +/*-------------------------------------------------------------------------*/ + +/* original ARM debug LED API: + * - timer and idle leds (some boards use non-FPGA leds here); + * - up to 4 generic leds, easily accessed in-kernel (any context) + */ + +#define GPIO_LED_RED 3 +#define GPIO_LED_GREEN OMAP_MPUIO(4) + +#define LED_STATE_ENABLED 0x01 +#define LED_STATE_CLAIMED 0x02 +#define LED_TIMER_ON 0x04 + +#define GPIO_IDLE GPIO_LED_GREEN +#define GPIO_TIMER GPIO_LED_RED + +static void h2p2_dbg_leds_event(led_event_t evt) +{ + unsigned long flags; + + spin_lock_irqsave(&lock, flags); + + if (!(led_state & LED_STATE_ENABLED) && evt != led_start) + goto done; + + switch (evt) { + case led_start: + if (fpga) + led_state |= LED_STATE_ENABLED; + break; + + case led_stop: + case led_halted: + /* all leds off during suspend or shutdown */ + + if (!(machine_is_omap_perseus2() || machine_is_omap_h4())) { + omap_set_gpio_dataout(GPIO_TIMER, 0); + omap_set_gpio_dataout(GPIO_IDLE, 0); + } + + __raw_writew(~0, &fpga->leds); + led_state &= ~LED_STATE_ENABLED; + goto done; + + case led_claim: + led_state |= LED_STATE_CLAIMED; + hw_led_state = 0; + break; + + case led_release: + led_state &= ~LED_STATE_CLAIMED; + break; + +#ifdef CONFIG_LEDS_TIMER + case led_timer: + led_state ^= LED_TIMER_ON; + + if (machine_is_omap_perseus2() || machine_is_omap_h4()) + hw_led_state ^= H2P2_DBG_FPGA_P2_LED_TIMER; + else { + omap_set_gpio_dataout(GPIO_TIMER, + led_state & LED_TIMER_ON); + goto done; + } + + break; +#endif + +#ifdef CONFIG_LEDS_CPU + /* LED lit iff busy */ + case led_idle_start: + if (machine_is_omap_perseus2() || machine_is_omap_h4()) + hw_led_state &= ~H2P2_DBG_FPGA_P2_LED_IDLE; + else { + omap_set_gpio_dataout(GPIO_IDLE, 1); + goto done; + } + + break; + + case led_idle_end: + if (machine_is_omap_perseus2() || machine_is_omap_h4()) + hw_led_state |= H2P2_DBG_FPGA_P2_LED_IDLE; + else { + omap_set_gpio_dataout(GPIO_IDLE, 0); + goto done; + } + + break; +#endif + + case led_green_on: + hw_led_state |= H2P2_DBG_FPGA_LED_GREEN; + break; + case led_green_off: + hw_led_state &= ~H2P2_DBG_FPGA_LED_GREEN; + break; + + case led_amber_on: + hw_led_state |= H2P2_DBG_FPGA_LED_AMBER; + break; + case led_amber_off: + hw_led_state &= ~H2P2_DBG_FPGA_LED_AMBER; + break; + + case led_red_on: + hw_led_state |= H2P2_DBG_FPGA_LED_RED; + break; + case led_red_off: + hw_led_state &= ~H2P2_DBG_FPGA_LED_RED; + break; + + case led_blue_on: + hw_led_state |= H2P2_DBG_FPGA_LED_BLUE; + break; + case led_blue_off: + hw_led_state &= ~H2P2_DBG_FPGA_LED_BLUE; + break; + + default: + break; + } + + + /* + * Actually burn the LEDs + */ + if (led_state & LED_STATE_ENABLED) + __raw_writew(~hw_led_state, &fpga->leds); + +done: + spin_unlock_irqrestore(&lock, flags); +} + +/*-------------------------------------------------------------------------*/ + +/* "new" LED API + * - with syfs access and generic triggering + * - not readily accessible to in-kernel drivers + */ + +struct dbg_led { + struct led_classdev cdev; + u16 mask; +}; + +static struct dbg_led dbg_leds[] = { + /* REVISIT at least H2 uses different timer & cpu leds... */ +#ifndef CONFIG_LEDS_TIMER + { .mask = 1 << 0, .cdev.name = "d4:green", + .cdev.default_trigger = "heartbeat", }, +#endif +#ifndef CONFIG_LEDS_CPU + { .mask = 1 << 1, .cdev.name = "d5:green", }, /* !idle */ +#endif + { .mask = 1 << 2, .cdev.name = "d6:green", }, + { .mask = 1 << 3, .cdev.name = "d7:green", }, + + { .mask = 1 << 4, .cdev.name = "d8:green", }, + { .mask = 1 << 5, .cdev.name = "d9:green", }, + { .mask = 1 << 6, .cdev.name = "d10:green", }, + { .mask = 1 << 7, .cdev.name = "d11:green", }, + + { .mask = 1 << 8, .cdev.name = "d12:green", }, + { .mask = 1 << 9, .cdev.name = "d13:green", }, + { .mask = 1 << 10, .cdev.name = "d14:green", }, + { .mask = 1 << 11, .cdev.name = "d15:green", }, + +#ifndef CONFIG_LEDS + { .mask = 1 << 12, .cdev.name = "d16:green", }, + { .mask = 1 << 13, .cdev.name = "d17:green", }, + { .mask = 1 << 14, .cdev.name = "d18:green", }, + { .mask = 1 << 15, .cdev.name = "d19:green", }, +#endif +}; + +static void +fpga_led_set(struct led_classdev *cdev, enum led_brightness value) +{ + struct dbg_led *led = container_of(cdev, struct dbg_led, cdev); + unsigned long flags; + + spin_lock_irqsave(&lock, flags); + if (value == LED_OFF) + hw_led_state &= ~led->mask; + else + hw_led_state |= led->mask; + __raw_writew(~hw_led_state, &fpga->leds); + spin_unlock_irqrestore(&lock, flags); +} + +static void __init newled_init(struct device *dev) +{ + unsigned i; + struct dbg_led *led; + int status; + + for (i = 0, led = dbg_leds; i < ARRAY_SIZE(dbg_leds); i++, led++) { + led->cdev.brightness_set = fpga_led_set; + status = led_classdev_register(dev, &led->cdev); + if (status < 0) + break; + } + return; +} + + +/*-------------------------------------------------------------------------*/ + +static int /* __init */ fpga_probe(struct platform_device *pdev) +{ + struct resource *iomem; + + spin_lock_init(&lock); + + iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!iomem) + return -ENODEV; + + fpga = ioremap(iomem->start, H2P2_DBG_FPGA_SIZE); + __raw_writew(~0, &fpga->leds); + +#ifdef CONFIG_LEDS + leds_event = h2p2_dbg_leds_event; + leds_event(led_start); +#endif + + if (new_led_api()) { + newled_init(&pdev->dev); + } + + return 0; +} + +static int fpga_suspend_late(struct platform_device *pdev, pm_message_t mesg) +{ + __raw_writew(~0, &fpga->leds); + return 0; +} + +static int fpga_resume_early(struct platform_device *pdev) +{ + __raw_writew(~hw_led_state, &fpga->leds); + return 0; +} + + +static struct platform_driver led_driver = { + .driver.name = "omap_dbg_led", + .probe = fpga_probe, + .suspend_late = fpga_suspend_late, + .resume_early = fpga_resume_early, +}; + +static int __init fpga_init(void) +{ + if (machine_is_omap_h4() + || machine_is_omap_h3() + || machine_is_omap_h2() + || machine_is_omap_perseus2() + ) + return platform_driver_register(&led_driver); + return 0; +} +fs_initcall(fpga_init); diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c index eeb33fed6f7c..c5dab1d6417e 100644 --- a/arch/arm/plat-omap/devices.c +++ b/arch/arm/plat-omap/devices.c @@ -25,7 +25,71 @@ #include <asm/arch/gpio.h> #include <asm/arch/menelaus.h> -#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE) +#if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) + +#include "../plat-omap/dsp/dsp_common.h" + +static struct dsp_platform_data dsp_pdata = { + .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list), +}; + +static struct resource omap_dsp_resources[] = { + { + .name = "dsp_mmu", + .start = -1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device omap_dsp_device = { + .name = "dsp", + .id = -1, + .num_resources = ARRAY_SIZE(omap_dsp_resources), + .resource = omap_dsp_resources, + .dev = { + .platform_data = &dsp_pdata, + }, +}; + +static inline void omap_init_dsp(void) +{ + struct resource *res; + int irq; + + if (cpu_is_omap15xx()) + irq = INT_1510_DSP_MMU; + else if (cpu_is_omap16xx()) + irq = INT_1610_DSP_MMU; + else if (cpu_is_omap24xx()) + irq = INT_24XX_DSP_MMU; + + res = platform_get_resource_byname(&omap_dsp_device, + IORESOURCE_IRQ, "dsp_mmu"); + res->start = irq; + + platform_device_register(&omap_dsp_device); +} + +int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev) +{ + static DEFINE_MUTEX(dsp_pdata_lock); + + mutex_init(&kdev->lock); + + mutex_lock(&dsp_pdata_lock); + list_add_tail(&kdev->entry, &dsp_pdata.kdev_list); + mutex_unlock(&dsp_pdata_lock); + + return 0; +} +EXPORT_SYMBOL(dsp_kfunc_device_register); + +#else +static inline void omap_init_dsp(void) { } +#endif /* CONFIG_OMAP_DSP */ + +/*-------------------------------------------------------------------------*/ +#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE) #define OMAP1_I2C_BASE 0xfffb3800 #define OMAP2_I2C_BASE1 0x48070000 @@ -48,8 +112,8 @@ static struct resource i2c_resources1[] = { /* DMA not used; works around erratum writing to non-empty i2c fifo */ static struct platform_device omap_i2c_device1 = { - .name = "i2c_omap", - .id = 1, + .name = "i2c_omap", + .id = 1, .num_resources = ARRAY_SIZE(i2c_resources1), .resource = i2c_resources1, }; @@ -376,7 +440,7 @@ static inline void omap_init_wdt(void) {} /*-------------------------------------------------------------------------*/ -#if defined(CONFIG_OMAP_RNG) || defined(CONFIG_OMAP_RNG_MODULE) +#if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE) #ifdef CONFIG_ARCH_OMAP24XX #define OMAP_RNG_BASE 0x480A0000 @@ -436,6 +500,7 @@ static int __init omap_init_devices(void) /* please keep these calls, and their implementations above, * in alphabetical order so they're easier to sort through. */ + omap_init_dsp(); omap_init_i2c(); omap_init_kp(); omap_init_mmc(); @@ -446,4 +511,3 @@ static int __init omap_init_devices(void) return 0; } arch_initcall(omap_init_devices); - diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index f3f84fbf8b87..2d86b106ff3e 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -925,10 +925,17 @@ static int omap2_dma_handle_ch(int ch) { u32 status = OMAP_DMA_CSR_REG(ch); - if (!status) + if (!status) { + if (printk_ratelimit()) + printk(KERN_WARNING "Spurious DMA IRQ for lch %d\n", ch); return 0; - if (unlikely(dma_chan[ch].dev_id == -1)) + } + if (unlikely(dma_chan[ch].dev_id == -1)) { + if (printk_ratelimit()) + printk(KERN_WARNING "IRQ %04x for non-allocated DMA" + "channel %d\n", status, ch); return 0; + } if (unlikely(status & OMAP_DMA_DROP_IRQ)) printk(KERN_INFO "DMA synchronization event drop occurred with device " @@ -959,11 +966,15 @@ static irqreturn_t omap2_dma_irq_handler(int irq, void *dev_id) int i; val = omap_readl(OMAP_DMA4_IRQSTATUS_L0); - - for (i = 1; i <= OMAP_LOGICAL_DMA_CH_COUNT; i++) { - int active = val & (1 << (i - 1)); - if (active) - omap2_dma_handle_ch(i - 1); + if (val == 0) { + if (printk_ratelimit()) + printk(KERN_WARNING "Spurious DMA IRQ\n"); + return IRQ_HANDLED; + } + for (i = 0; i < OMAP_LOGICAL_DMA_CH_COUNT && val != 0; i++) { + if (val & 1) + omap2_dma_handle_ch(i); + val >>= 1; } return IRQ_HANDLED; diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index 659619f235ca..36073dfaa4db 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -372,7 +372,7 @@ void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) /* When the functional clock disappears, too quick writes seem to * cause an abort. */ - __delay(15000); + __delay(150000); } #endif diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c index 56acb8720f78..4493bcff5172 100644 --- a/arch/arm/plat-omap/fb.c +++ b/arch/arm/plat-omap/fb.c @@ -1,3 +1,26 @@ +/* + * File: arch/arm/plat-omap/fb.c + * + * Framebuffer device registration for TI OMAP platforms + * + * Copyright (C) 2006 Nokia Corporation + * Author: Imre Deak <imre.deak@nokia.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -16,6 +39,8 @@ #if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE) static struct omapfb_platform_data omapfb_config; +static int config_invalid; +static int configured_regions; static u64 omap_fb_dma_mask = ~(u32)0; @@ -30,39 +55,270 @@ static struct platform_device omap_fb_device = { .num_resources = 0, }; -/* called from map_io */ -void omapfb_reserve_mem(void) +static inline int ranges_overlap(unsigned long start1, unsigned long size1, + unsigned long start2, unsigned long size2) { - const struct omap_fbmem_config *fbmem_conf; + return (start1 >= start2 && start1 < start2 + size2) || + (start2 >= start1 && start2 < start1 + size1); +} - omapfb_config.fbmem.fb_sram_start = omap_fb_sram_start; - omapfb_config.fbmem.fb_sram_size = omap_fb_sram_size; +static inline int range_included(unsigned long start1, unsigned long size1, + unsigned long start2, unsigned long size2) +{ + return start1 >= start2 && start1 + size1 <= start2 + size2; +} - fbmem_conf = omap_get_config(OMAP_TAG_FBMEM, struct omap_fbmem_config); - if (fbmem_conf != NULL) { - /* indicate that the bootloader already initialized the - * fb device, so we'll skip that part in the fb driver - */ - omapfb_config.fbmem.fb_sdram_start = fbmem_conf->fb_sdram_start; - omapfb_config.fbmem.fb_sdram_size = fbmem_conf->fb_sdram_size; - if (fbmem_conf->fb_sdram_size) { - pr_info("Reserving %u bytes SDRAM for frame buffer\n", - fbmem_conf->fb_sdram_size); - reserve_bootmem(fbmem_conf->fb_sdram_start, - fbmem_conf->fb_sdram_size); +/* Check if there is an overlapping region. */ +static int fbmem_region_reserved(unsigned long start, size_t size) +{ + struct omapfb_mem_region *rg; + int i; + + rg = &omapfb_config.mem_desc.region[0]; + for (i = 0; i < OMAPFB_PLANE_NUM; i++, rg++) { + if (!rg->paddr) + /* Empty slot. */ + continue; + if (ranges_overlap(start, size, rg->paddr, rg->size)) + return 1; + } + return 0; +} + +/* + * Get the region_idx`th region from board config/ATAG and convert it to + * our internal format. + */ +static int get_fbmem_region(int region_idx, struct omapfb_mem_region *rg) +{ + const struct omap_fbmem_config *conf; + u32 paddr; + + conf = omap_get_nr_config(OMAP_TAG_FBMEM, + struct omap_fbmem_config, region_idx); + if (conf == NULL) + return -ENOENT; + + paddr = conf->start; + /* + * Low bits encode the page allocation mode, if high bits + * are zero. Otherwise we need a page aligned fixed + * address. + */ + memset(rg, 0, sizeof(*rg)); + rg->type = paddr & ~PAGE_MASK; + rg->paddr = paddr & PAGE_MASK; + rg->size = PAGE_ALIGN(conf->size); + return 0; +} + +static int set_fbmem_region_type(struct omapfb_mem_region *rg, int mem_type, + unsigned long mem_start, + unsigned long mem_size) +{ + /* + * Check if the configuration specifies the type explicitly. + * type = 0 && paddr = 0, a default don't care case maps to + * the SDRAM type. + */ + if (rg->type || (!rg->type && !rg->paddr)) + return 0; + if (ranges_overlap(rg->paddr, rg->size, mem_start, mem_size)) { + rg->type = mem_type; + return 0; + } + /* Can't determine it. */ + return -1; +} + +static int check_fbmem_region(int region_idx, struct omapfb_mem_region *rg, + unsigned long start_avail, unsigned size_avail) +{ + unsigned long paddr = rg->paddr; + size_t size = rg->size; + + if (rg->type > OMAPFB_MEMTYPE_MAX) { + printk(KERN_ERR + "Invalid start address for FB region %d\n", region_idx); + return -EINVAL; + } + + if (!rg->size) { + printk(KERN_ERR "Zero size for FB region %d\n", region_idx); + return -EINVAL; + } + + if (!paddr) + /* Allocate this dynamically, leave paddr 0 for now. */ + return 0; + + /* + * Fixed region for the given RAM range. Check if it's already + * reserved by the FB code or someone else. + */ + if (fbmem_region_reserved(paddr, size) || + !range_included(paddr, size, start_avail, size_avail)) { + printk(KERN_ERR "Trying to use reserved memory " + "for FB region %d\n", region_idx); + return -EINVAL; + } + + return 0; +} + +/* + * Called from map_io. We need to call to this early enough so that we + * can reserve the fixed SDRAM regions before VM could get hold of them. + */ +void omapfb_reserve_sdram(void) +{ + struct bootmem_data *bdata; + unsigned long sdram_start, sdram_size; + unsigned long reserved; + int i; + + if (config_invalid) + return; + + bdata = NODE_DATA(0)->bdata; + sdram_start = bdata->node_boot_start; + sdram_size = (bdata->node_low_pfn << PAGE_SHIFT) - sdram_start; + reserved = 0; + for (i = 0; ; i++) { + struct omapfb_mem_region rg; + + if (get_fbmem_region(i, &rg) < 0) + break; + if (i == OMAPFB_PLANE_NUM) { + printk(KERN_ERR + "Extraneous FB mem configuration entries\n"); + config_invalid = 1; + return; } + /* Check if it's our memory type. */ + if (set_fbmem_region_type(&rg, OMAPFB_MEMTYPE_SDRAM, + sdram_start, sdram_size) < 0 || + (rg.type != OMAPFB_MEMTYPE_SDRAM)) + continue; + BUG_ON(omapfb_config.mem_desc.region[i].size); + if (check_fbmem_region(i, &rg, sdram_start, sdram_size) < 0) { + config_invalid = 1; + return; + } + if (rg.paddr) + reserve_bootmem(rg.paddr, rg.size); + reserved += rg.size; + omapfb_config.mem_desc.region[i] = rg; + configured_regions++; } + omapfb_config.mem_desc.region_cnt = i; + if (reserved) + pr_info("Reserving %lu bytes SDRAM for frame buffer\n", + reserved); +} + +/* + * Called at sram init time, before anything is pushed to the SRAM stack. + * Because of the stack scheme, we will allocate everything from the + * start of the lowest address region to the end of SRAM. This will also + * include padding for page alignment and possible holes between regions. + * + * As opposed to the SDRAM case, we'll also do any dynamic allocations at + * this point, since the driver built as a module would have problem with + * freeing / reallocating the regions. + */ +unsigned long omapfb_reserve_sram(unsigned long sram_pstart, + unsigned long sram_vstart, + unsigned long sram_size, + unsigned long pstart_avail, + unsigned long size_avail) +{ + struct omapfb_mem_region rg; + unsigned long pend_avail; + unsigned long reserved; + int i; + + if (config_invalid) + return 0; + + reserved = 0; + pend_avail = pstart_avail + size_avail; + for (i = 0; ; i++) { + if (get_fbmem_region(i, &rg) < 0) + break; + if (i == OMAPFB_PLANE_NUM) { + printk(KERN_ERR + "Extraneous FB mem configuration entries\n"); + config_invalid = 1; + return 0; + } + + /* Check if it's our memory type. */ + if (set_fbmem_region_type(&rg, OMAPFB_MEMTYPE_SRAM, + sram_pstart, sram_size) < 0 || + (rg.type != OMAPFB_MEMTYPE_SRAM)) + continue; + BUG_ON(omapfb_config.mem_desc.region[i].size); + + if (check_fbmem_region(i, &rg, pstart_avail, size_avail) < 0) { + config_invalid = 1; + return 0; + } + + if (!rg.paddr) { + /* Dynamic allocation */ + if ((size_avail & PAGE_MASK) < rg.size) { + printk("Not enough SRAM for FB region %d\n", + i); + config_invalid = 1; + return 0; + } + size_avail = (size_avail - rg.size) & PAGE_MASK; + rg.paddr = pstart_avail + size_avail; + } + /* Reserve everything above the start of the region. */ + if (pend_avail - rg.paddr > reserved) + reserved = pend_avail - rg.paddr; + size_avail = pend_avail - reserved - pstart_avail; + + /* + * We have a kernel mapping for this already, so the + * driver won't have to make one. + */ + rg.vaddr = (void *)(sram_vstart + rg.paddr - sram_pstart); + omapfb_config.mem_desc.region[i] = rg; + configured_regions++; + } + omapfb_config.mem_desc.region_cnt = i; + if (reserved) + pr_info("Reserving %lu bytes SRAM for frame buffer\n", + reserved); + return reserved; +} + +void omapfb_set_ctrl_platform_data(void *data) +{ + omapfb_config.ctrl_platform_data = data; } static inline int omap_init_fb(void) { const struct omap_lcd_config *conf; + if (config_invalid) + return 0; + if (configured_regions != omapfb_config.mem_desc.region_cnt) { + printk(KERN_ERR "Invalid FB mem configuration entries\n"); + return 0; + } conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config); - if (conf == NULL) + if (conf == NULL) { + if (configured_regions) + /* FB mem config, but no LCD config? */ + printk(KERN_ERR "Missing LCD configuration\n"); return 0; - + } omapfb_config.lcd = *conf; return platform_device_register(&omap_fb_device); @@ -72,7 +328,16 @@ arch_initcall(omap_init_fb); #else -void omapfb_reserve_mem(void) {} +void omapfb_reserve_sdram(void) {} +unsigned long omapfb_reserve_sram(unsigned long sram_pstart, + unsigned long sram_vstart, + unsigned long sram_size, + unsigned long start_avail, + unsigned long size_avail) +{ + return 0; +} + #endif diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index 9dc6d3617bdb..337455dfe64d 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -13,7 +13,6 @@ #include <linux/init.h> #include <linux/module.h> -#include <linux/sched.h> #include <linux/interrupt.h> #include <linux/sysdev.h> #include <linux/err.h> @@ -1545,7 +1544,7 @@ void omap2_gpio_resume_after_retention(void) * This may get called early from board specific init * for boards that have interrupts routed via FPGA. */ -int omap_gpio_init(void) +int __init omap_gpio_init(void) { if (!initialized) return _omap_gpio_init(); diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c new file mode 100644 index 000000000000..de7e6ef48bd0 --- /dev/null +++ b/arch/arm/plat-omap/mailbox.c @@ -0,0 +1,509 @@ +/* + * OMAP mailbox driver + * + * Copyright (C) 2006 Nokia Corporation. All rights reserved. + * + * Contact: Toshihiro Kobayashi <toshihiro.kobayashi@nokia.com> + * Restructured by Hiroshi DOYU <Hiroshi.DOYU@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/sched.h> +#include <linux/interrupt.h> +#include <linux/device.h> +#include <linux/blkdev.h> +#include <linux/err.h> +#include <linux/delay.h> +#include <asm/io.h> +#include <asm/arch/mailbox.h> +#include "mailbox.h" + +static struct omap_mbox *mboxes; +static DEFINE_RWLOCK(mboxes_lock); + +/* Mailbox Sequence Bit function */ +void omap_mbox_init_seq(struct omap_mbox *mbox) +{ + mbox_seq_init(mbox); +} +EXPORT_SYMBOL(omap_mbox_init_seq); + +/* + * message sender + */ +static int __mbox_msg_send(struct omap_mbox *mbox, mbox_msg_t msg, void *arg) +{ + int ret = 0, i = 1000; + + while (mbox_fifo_full(mbox)) { + if (mbox->ops->type == OMAP_MBOX_TYPE2) + return -1; + if (--i == 0) + return -1; + udelay(1); + } + + if (arg && mbox->txq->callback) { + ret = mbox->txq->callback(arg); + if (ret) + goto out; + } + + mbox_seq_toggle(mbox, &msg); + mbox_fifo_write(mbox, msg); + out: + return ret; +} + +int omap_mbox_msg_send(struct omap_mbox *mbox, mbox_msg_t msg, void* arg) +{ + struct request *rq; + struct request_queue *q = mbox->txq->queue; + int ret = 0; + + rq = blk_get_request(q, WRITE, GFP_ATOMIC); + if (unlikely(!rq)) { + ret = -ENOMEM; + goto fail; + } + + rq->data = (void *)msg; + blk_insert_request(q, rq, 0, arg); + + schedule_work(&mbox->txq->work); + fail: + return ret; +} +EXPORT_SYMBOL(omap_mbox_msg_send); + +static void mbox_tx_work(struct work_struct *work) +{ + int ret; + struct request *rq; + struct omap_mbox_queue *mq = container_of(work, + struct omap_mbox_queue, work); + struct omap_mbox *mbox = mq->queue->queuedata; + struct request_queue *q = mbox->txq->queue; + + while (1) { + spin_lock(q->queue_lock); + rq = elv_next_request(q); + spin_unlock(q->queue_lock); + + if (!rq) + break; + + ret = __mbox_msg_send(mbox, (mbox_msg_t) rq->data, rq->special); + if (ret) { + enable_mbox_irq(mbox, IRQ_TX); + return; + } + + spin_lock(q->queue_lock); + blkdev_dequeue_request(rq); + end_that_request_last(rq, 0); + spin_unlock(q->queue_lock); + } +} + +/* + * Message receiver(workqueue) + */ +static void mbox_rx_work(struct work_struct *work) +{ + struct omap_mbox_queue *mq = + container_of(work, struct omap_mbox_queue, work); + struct omap_mbox *mbox = mq->queue->queuedata; + struct request_queue *q = mbox->rxq->queue; + struct request *rq; + mbox_msg_t msg; + unsigned long flags; + + if (mbox->rxq->callback == NULL) { + sysfs_notify(&mbox->dev.kobj, NULL, "mbox"); + return; + } + + while (1) { + spin_lock_irqsave(q->queue_lock, flags); + rq = elv_next_request(q); + spin_unlock_irqrestore(q->queue_lock, flags); + if (!rq) + break; + + msg = (mbox_msg_t) rq->data; + + spin_lock_irqsave(q->queue_lock, flags); + blkdev_dequeue_request(rq); + end_that_request_last(rq, 0); + spin_unlock_irqrestore(q->queue_lock, flags); + + mbox->rxq->callback((void *)msg); + } +} + +/* + * Mailbox interrupt handler + */ +static void mbox_txq_fn(request_queue_t * q) +{ +} + +static void mbox_rxq_fn(request_queue_t * q) +{ +} + +static void __mbox_tx_interrupt(struct omap_mbox *mbox) +{ + disable_mbox_irq(mbox, IRQ_TX); + ack_mbox_irq(mbox, IRQ_TX); + schedule_work(&mbox->txq->work); +} + +static void __mbox_rx_interrupt(struct omap_mbox *mbox) +{ + struct request *rq; + mbox_msg_t msg; + request_queue_t *q = mbox->rxq->queue; + + disable_mbox_irq(mbox, IRQ_RX); + + while (!mbox_fifo_empty(mbox)) { + rq = blk_get_request(q, WRITE, GFP_ATOMIC); + if (unlikely(!rq)) + goto nomem; + + msg = mbox_fifo_read(mbox); + rq->data = (void *)msg; + + if (unlikely(mbox_seq_test(mbox, msg))) { + pr_info("mbox: Illegal seq bit!(%08x)\n", msg); + if (mbox->err_notify) + mbox->err_notify(); + } + + blk_insert_request(q, rq, 0, NULL); + if (mbox->ops->type == OMAP_MBOX_TYPE1) + break; + } + + /* no more messages in the fifo. clear IRQ source. */ + ack_mbox_irq(mbox, IRQ_RX); + enable_mbox_irq(mbox, IRQ_RX); + nomem: + schedule_work(&mbox->rxq->work); +} + +static irqreturn_t mbox_interrupt(int irq, void *p) +{ + struct omap_mbox *mbox = (struct omap_mbox *)p; + + if (is_mbox_irq(mbox, IRQ_TX)) + __mbox_tx_interrupt(mbox); + + if (is_mbox_irq(mbox, IRQ_RX)) + __mbox_rx_interrupt(mbox); + + return IRQ_HANDLED; +} + +/* + * sysfs files + */ +static ssize_t +omap_mbox_write(struct device *dev, struct device_attribute *attr, + const char * buf, size_t count) +{ + int ret; + mbox_msg_t *p = (mbox_msg_t *)buf; + struct omap_mbox *mbox = dev_get_drvdata(dev); + + for (; count >= sizeof(mbox_msg_t); count -= sizeof(mbox_msg_t)) { + ret = omap_mbox_msg_send(mbox, be32_to_cpu(*p), NULL); + if (ret) + return -EAGAIN; + p++; + } + + return (size_t)((char *)p - buf); +} + +static ssize_t +omap_mbox_read(struct device *dev, struct device_attribute *attr, char *buf) +{ + unsigned long flags; + struct request *rq; + mbox_msg_t *p = (mbox_msg_t *) buf; + struct omap_mbox *mbox = dev_get_drvdata(dev); + struct request_queue *q = mbox->rxq->queue; + + while (1) { + spin_lock_irqsave(q->queue_lock, flags); + rq = elv_next_request(q); + spin_unlock_irqrestore(q->queue_lock, flags); + + if (!rq) + break; + + *p = (mbox_msg_t) rq->data; + + spin_lock_irqsave(q->queue_lock, flags); + blkdev_dequeue_request(rq); + end_that_request_last(rq, 0); + spin_unlock_irqrestore(q->queue_lock, flags); + + if (unlikely(mbox_seq_test(mbox, *p))) { + pr_info("mbox: Illegal seq bit!(%08x) ignored\n", *p); + continue; + } + p++; + } + + pr_debug("%02x %02x %02x %02x\n", buf[0], buf[1], buf[2], buf[3]); + + return (size_t) ((char *)p - buf); +} + +static DEVICE_ATTR(mbox, S_IRUGO | S_IWUSR, omap_mbox_read, omap_mbox_write); + +static ssize_t mbox_show(struct class *class, char *buf) +{ + return sprintf(buf, "mbox"); +} + +static CLASS_ATTR(mbox, S_IRUGO, mbox_show, NULL); + +static struct class omap_mbox_class = { + .name = "omap_mbox", +}; + +static struct omap_mbox_queue *mbox_queue_alloc(struct omap_mbox *mbox, + request_fn_proc * proc, + void (*work) (struct work_struct *)) +{ + request_queue_t *q; + struct omap_mbox_queue *mq; + + mq = kzalloc(sizeof(struct omap_mbox_queue), GFP_KERNEL); + if (!mq) + return NULL; + + spin_lock_init(&mq->lock); + + q = blk_init_queue(proc, &mq->lock); + if (!q) + goto error; + q->queuedata = mbox; + mq->queue = q; + + INIT_WORK(&mq->work, work); + + return mq; +error: + kfree(mq); + return NULL; +} + +static void mbox_queue_free(struct omap_mbox_queue *q) +{ + blk_cleanup_queue(q->queue); + kfree(q); +} + +static int omap_mbox_init(struct omap_mbox *mbox) +{ + int ret; + struct omap_mbox_queue *mq; + + if (likely(mbox->ops->startup)) { + ret = mbox->ops->startup(mbox); + if (unlikely(ret)) + return ret; + } + + mbox->dev.class = &omap_mbox_class; + strlcpy(mbox->dev.bus_id, mbox->name, KOBJ_NAME_LEN); + dev_set_drvdata(&mbox->dev, mbox); + + ret = device_register(&mbox->dev); + if (unlikely(ret)) + goto fail_device_reg; + + ret = device_create_file(&mbox->dev, &dev_attr_mbox); + if (unlikely(ret)) { + printk(KERN_ERR + "device_create_file failed: %d\n", ret); + goto fail_create_mbox; + } + + ret = request_irq(mbox->irq, mbox_interrupt, IRQF_DISABLED, + mbox->name, mbox); + if (unlikely(ret)) { + printk(KERN_ERR + "failed to register mailbox interrupt:%d\n", ret); + goto fail_request_irq; + } + enable_mbox_irq(mbox, IRQ_RX); + + mq = mbox_queue_alloc(mbox, mbox_txq_fn, mbox_tx_work); + if (!mq) { + ret = -ENOMEM; + goto fail_alloc_txq; + } + mbox->txq = mq; + + mq = mbox_queue_alloc(mbox, mbox_rxq_fn, mbox_rx_work); + if (!mq) { + ret = -ENOMEM; + goto fail_alloc_rxq; + } + mbox->rxq = mq; + + return 0; + + fail_alloc_rxq: + mbox_queue_free(mbox->txq); + fail_alloc_txq: + free_irq(mbox->irq, mbox); + fail_request_irq: + device_remove_file(&mbox->dev, &dev_attr_mbox); + fail_create_mbox: + device_unregister(&mbox->dev); + fail_device_reg: + if (unlikely(mbox->ops->shutdown)) + mbox->ops->shutdown(mbox); + + return ret; +} + +static void omap_mbox_fini(struct omap_mbox *mbox) +{ + mbox_queue_free(mbox->txq); + mbox_queue_free(mbox->rxq); + + free_irq(mbox->irq, mbox); + device_remove_file(&mbox->dev, &dev_attr_mbox); + class_unregister(&omap_mbox_class); + + if (unlikely(mbox->ops->shutdown)) + mbox->ops->shutdown(mbox); +} + +static struct omap_mbox **find_mboxes(const char *name) +{ + struct omap_mbox **p; + + for (p = &mboxes; *p; p = &(*p)->next) { + if (strcmp((*p)->name, name) == 0) + break; + } + + return p; +} + +struct omap_mbox *omap_mbox_get(const char *name) +{ + struct omap_mbox *mbox; + int ret; + + read_lock(&mboxes_lock); + mbox = *(find_mboxes(name)); + if (mbox == NULL) { + read_unlock(&mboxes_lock); + return ERR_PTR(-ENOENT); + } + + read_unlock(&mboxes_lock); + + ret = omap_mbox_init(mbox); + if (ret) + return ERR_PTR(-ENODEV); + + return mbox; +} +EXPORT_SYMBOL(omap_mbox_get); + +void omap_mbox_put(struct omap_mbox *mbox) +{ + omap_mbox_fini(mbox); +} +EXPORT_SYMBOL(omap_mbox_put); + +int omap_mbox_register(struct omap_mbox *mbox) +{ + int ret = 0; + struct omap_mbox **tmp; + + if (!mbox) + return -EINVAL; + if (mbox->next) + return -EBUSY; + + write_lock(&mboxes_lock); + tmp = find_mboxes(mbox->name); + if (*tmp) + ret = -EBUSY; + else + *tmp = mbox; + write_unlock(&mboxes_lock); + + return ret; +} +EXPORT_SYMBOL(omap_mbox_register); + +int omap_mbox_unregister(struct omap_mbox *mbox) +{ + struct omap_mbox **tmp; + + write_lock(&mboxes_lock); + tmp = &mboxes; + while (*tmp) { + if (mbox == *tmp) { + *tmp = mbox->next; + mbox->next = NULL; + write_unlock(&mboxes_lock); + return 0; + } + tmp = &(*tmp)->next; + } + write_unlock(&mboxes_lock); + + return -EINVAL; +} +EXPORT_SYMBOL(omap_mbox_unregister); + +static int __init omap_mbox_class_init(void) +{ + int ret = class_register(&omap_mbox_class); + if (!ret) + ret = class_create_file(&omap_mbox_class, &class_attr_mbox); + + return ret; +} + +static void __exit omap_mbox_class_exit(void) +{ + class_remove_file(&omap_mbox_class, &class_attr_mbox); + class_unregister(&omap_mbox_class); +} + +subsys_initcall(omap_mbox_class_init); +module_exit(omap_mbox_class_exit); + +MODULE_LICENSE("GPL"); diff --git a/arch/arm/plat-omap/mailbox.h b/arch/arm/plat-omap/mailbox.h new file mode 100644 index 000000000000..67c6740b8ad5 --- /dev/null +++ b/arch/arm/plat-omap/mailbox.h @@ -0,0 +1,100 @@ +/* + * Mailbox internal functions + * + * Copyright (C) 2006 Nokia Corporation + * Written by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef __ARCH_ARM_PLAT_MAILBOX_H +#define __ARCH_ARM_PLAT_MAILBOX_H + +/* + * Mailbox sequence bit API + */ +#if defined(CONFIG_ARCH_OMAP1) +# define MBOX_USE_SEQ_BIT +#elif defined(CONFIG_ARCH_OMAP2) +# define MBOX_USE_SEQ_BIT +#endif + +#ifdef MBOX_USE_SEQ_BIT +/* seq_rcv should be initialized with any value other than + * 0 and 1 << 31, to allow either value for the first + * message. */ +static inline void mbox_seq_init(struct omap_mbox *mbox) +{ + /* any value other than 0 and 1 << 31 */ + mbox->seq_rcv = 0xffffffff; +} + +static inline void mbox_seq_toggle(struct omap_mbox *mbox, mbox_msg_t * msg) +{ + /* add seq_snd to msg */ + *msg = (*msg & 0x7fffffff) | mbox->seq_snd; + /* flip seq_snd */ + mbox->seq_snd ^= 1 << 31; +} + +static inline int mbox_seq_test(struct omap_mbox *mbox, mbox_msg_t msg) +{ + mbox_msg_t seq = msg & (1 << 31); + if (seq == mbox->seq_rcv) + return -1; + mbox->seq_rcv = seq; + return 0; +} +#else +static inline void mbox_seq_init(struct omap_mbox *mbox) +{ +} +static inline void mbox_seq_toggle(struct omap_mbox *mbox, mbox_msg_t * msg) +{ +} +static inline int mbox_seq_test(struct omap_mbox *mbox, mbox_msg_t msg) +{ + return 0; +} +#endif + +/* Mailbox FIFO handle functions */ +static inline mbox_msg_t mbox_fifo_read(struct omap_mbox *mbox) +{ + return mbox->ops->fifo_read(mbox); +} +static inline void mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg) +{ + mbox->ops->fifo_write(mbox, msg); +} +static inline int mbox_fifo_empty(struct omap_mbox *mbox) +{ + return mbox->ops->fifo_empty(mbox); +} +static inline int mbox_fifo_full(struct omap_mbox *mbox) +{ + return mbox->ops->fifo_full(mbox); +} + +/* Mailbox IRQ handle functions */ +static inline void enable_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq) +{ + mbox->ops->enable_irq(mbox, irq); +} +static inline void disable_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq) +{ + mbox->ops->disable_irq(mbox, irq); +} +static inline void ack_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq) +{ + if (mbox->ops->ack_irq) + mbox->ops->ack_irq(mbox, irq); +} +static inline int is_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq) +{ + return mbox->ops->is_irq(mbox, irq); +} + +#endif /* __ARCH_ARM_PLAT_MAILBOX_H */ diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index 19014b2ff4c6..bc46f33aede3 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -46,14 +46,19 @@ #define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1))) +static unsigned long omap_sram_start; static unsigned long omap_sram_base; static unsigned long omap_sram_size; static unsigned long omap_sram_ceil; -unsigned long omap_fb_sram_start; -unsigned long omap_fb_sram_size; +extern unsigned long omapfb_reserve_sram(unsigned long sram_pstart, + unsigned long sram_vstart, + unsigned long sram_size, + unsigned long pstart_avail, + unsigned long size_avail); -/* Depending on the target RAMFS firewall setup, the public usable amount of +/* + * Depending on the target RAMFS firewall setup, the public usable amount of * SRAM varies. The default accessable size for all device types is 2k. A GP * device allows ARM11 but not other initators for full size. This * functionality seems ok until some nice security API happens. @@ -77,32 +82,6 @@ static int is_sram_locked(void) return 1; /* assume locked with no PPA or security driver */ } -void get_fb_sram_conf(unsigned long start_avail, unsigned size_avail, - unsigned long *start, unsigned long *size) -{ - const struct omap_fbmem_config *fbmem_conf; - - fbmem_conf = omap_get_config(OMAP_TAG_FBMEM, struct omap_fbmem_config); - if (fbmem_conf != NULL) { - *start = fbmem_conf->fb_sram_start; - *size = fbmem_conf->fb_sram_size; - } else { - *size = 0; - *start = 0; - } - - if (*size && ( - *start < start_avail || - *start + *size > start_avail + size_avail)) { - printk(KERN_ERR "invalid FB SRAM configuration\n"); - *start = start_avail; - *size = size_avail; - } - - if (*size) - pr_info("Reserving %lu bytes SRAM for frame buffer\n", *size); -} - /* * The amount of SRAM depends on the core type. * Note that we cannot try to test for SRAM here because writes @@ -111,16 +90,16 @@ void get_fb_sram_conf(unsigned long start_avail, unsigned size_avail, */ void __init omap_detect_sram(void) { - unsigned long sram_start; + unsigned long reserved; if (cpu_is_omap24xx()) { if (is_sram_locked()) { omap_sram_base = OMAP2_SRAM_PUB_VA; - sram_start = OMAP2_SRAM_PUB_PA; + omap_sram_start = OMAP2_SRAM_PUB_PA; omap_sram_size = 0x800; /* 2K */ } else { omap_sram_base = OMAP2_SRAM_VA; - sram_start = OMAP2_SRAM_PA; + omap_sram_start = OMAP2_SRAM_PA; if (cpu_is_omap242x()) omap_sram_size = 0xa0000; /* 640K */ else if (cpu_is_omap243x()) @@ -128,7 +107,7 @@ void __init omap_detect_sram(void) } } else { omap_sram_base = OMAP1_SRAM_VA; - sram_start = OMAP1_SRAM_PA; + omap_sram_start = OMAP1_SRAM_PA; if (cpu_is_omap730()) omap_sram_size = 0x32000; /* 200K */ @@ -144,12 +123,11 @@ void __init omap_detect_sram(void) omap_sram_size = 0x4000; } } - get_fb_sram_conf(sram_start + SRAM_BOOTLOADER_SZ, - omap_sram_size - SRAM_BOOTLOADER_SZ, - &omap_fb_sram_start, &omap_fb_sram_size); - if (omap_fb_sram_size) - omap_sram_size -= sram_start + omap_sram_size - - omap_fb_sram_start; + reserved = omapfb_reserve_sram(omap_sram_start, omap_sram_base, + omap_sram_size, + omap_sram_start + SRAM_BOOTLOADER_SZ, + omap_sram_size - SRAM_BOOTLOADER_SZ); + omap_sram_size -= reserved; omap_sram_ceil = omap_sram_base + omap_sram_size; } diff --git a/arch/arm/plat-omap/timer32k.c b/arch/arm/plat-omap/timer32k.c index 114f87151d60..2feceec8eccd 100644 --- a/arch/arm/plat-omap/timer32k.c +++ b/arch/arm/plat-omap/timer32k.c @@ -215,7 +215,7 @@ static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id) static struct irqaction omap_32k_timer_irq = { .name = "32KHz timer", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = omap_32k_timer_interrupt, }; diff --git a/arch/arm/plat-omap/usb.c b/arch/arm/plat-omap/usb.c index 7e8096809be2..25489aafb113 100644 --- a/arch/arm/plat-omap/usb.c +++ b/arch/arm/plat-omap/usb.c @@ -37,9 +37,27 @@ #include <asm/arch/usb.h> #include <asm/arch/board.h> +#ifdef CONFIG_ARCH_OMAP1 + +#define INT_USB_IRQ_GEN IH2_BASE + 20 +#define INT_USB_IRQ_NISO IH2_BASE + 30 +#define INT_USB_IRQ_ISO IH2_BASE + 29 +#define INT_USB_IRQ_HGEN INT_USB_HHC_1 +#define INT_USB_IRQ_OTG IH2_BASE + 8 + +#else + +#define INT_USB_IRQ_GEN INT_24XX_USB_IRQ_GEN +#define INT_USB_IRQ_NISO INT_24XX_USB_IRQ_NISO +#define INT_USB_IRQ_ISO INT_24XX_USB_IRQ_ISO +#define INT_USB_IRQ_HGEN INT_24XX_USB_IRQ_HGEN +#define INT_USB_IRQ_OTG INT_24XX_USB_IRQ_OTG + +#endif + + /* These routines should handle the standard chip-specific modes * for usb0/1/2 ports, covering basic mux and transceiver setup. - * Call omap_usb_init() once, from INIT_MACHINE(). * * Some board-*.c files will need to set up additional mux options, * like for suspend handling, vbus sensing, GPIOs, and the D+ pullup. @@ -96,19 +114,26 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device) { u32 syscon1 = 0; + if (cpu_is_omap24xx()) + CONTROL_DEVCONF_REG &= ~USBT0WRMODEI(USB_BIDIR_TLL); + if (nwires == 0) { - if (!cpu_is_omap15xx()) { + if (cpu_class_is_omap1() && !cpu_is_omap15xx()) { /* pulldown D+/D- */ USB_TRANSCEIVER_CTRL_REG &= ~(3 << 1); } return 0; } - if (is_device) - omap_cfg_reg(W4_USB_PUEN); + if (is_device) { + if (cpu_is_omap24xx()) + omap_cfg_reg(J20_24XX_USB0_PUEN); + else + omap_cfg_reg(W4_USB_PUEN); + } - /* internal transceiver */ - if (nwires == 2) { + /* internal transceiver (unavailable on 17xx, 24xx) */ + if (!cpu_class_is_omap2() && nwires == 2) { // omap_cfg_reg(P9_USB_DP); // omap_cfg_reg(R8_USB_DM); @@ -136,29 +161,50 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device) return 0; } - omap_cfg_reg(V6_USB0_TXD); - omap_cfg_reg(W9_USB0_TXEN); - omap_cfg_reg(W5_USB0_SE0); + if (cpu_is_omap24xx()) { + omap_cfg_reg(K18_24XX_USB0_DAT); + omap_cfg_reg(K19_24XX_USB0_TXEN); + omap_cfg_reg(J14_24XX_USB0_SE0); + if (nwires != 3) + omap_cfg_reg(J18_24XX_USB0_RCV); + } else { + omap_cfg_reg(V6_USB0_TXD); + omap_cfg_reg(W9_USB0_TXEN); + omap_cfg_reg(W5_USB0_SE0); + if (nwires != 3) + omap_cfg_reg(Y5_USB0_RCV); + } - /* NOTE: SPEED and SUSP aren't configured here */ + /* NOTE: SPEED and SUSP aren't configured here. OTG hosts + * may be able to use I2C requests to set those bits along + * with VBUS switching and overcurrent detction. + */ - if (nwires != 3) - omap_cfg_reg(Y5_USB0_RCV); - if (nwires != 6) + if (cpu_class_is_omap1() && nwires != 6) USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB2_UNI_R; switch (nwires) { case 3: syscon1 = 2; + if (cpu_is_omap24xx()) + CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_BIDIR); break; case 4: syscon1 = 1; + if (cpu_is_omap24xx()) + CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_BIDIR); break; case 6: syscon1 = 3; - omap_cfg_reg(AA9_USB0_VP); - omap_cfg_reg(R9_USB0_VM); - USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R; + if (cpu_is_omap24xx()) { + omap_cfg_reg(J19_24XX_USB0_VP); + omap_cfg_reg(K20_24XX_USB0_VM); + CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_UNIDIR); + } else { + omap_cfg_reg(AA9_USB0_VP); + omap_cfg_reg(R9_USB0_VM); + USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R; + } break; default: printk(KERN_ERR "illegal usb%d %d-wire transceiver\n", @@ -171,14 +217,22 @@ static u32 __init omap_usb1_init(unsigned nwires) { u32 syscon1 = 0; - if (nwires != 6 && !cpu_is_omap15xx()) + if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6) USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB1_UNI_R; + if (cpu_is_omap24xx()) + CONTROL_DEVCONF_REG &= ~USBT1WRMODEI(USB_BIDIR_TLL); + if (nwires == 0) return 0; /* external transceiver */ - omap_cfg_reg(USB1_TXD); - omap_cfg_reg(USB1_TXEN); + if (cpu_class_is_omap1()) { + omap_cfg_reg(USB1_TXD); + omap_cfg_reg(USB1_TXEN); + if (nwires != 3) + omap_cfg_reg(USB1_RCV); + } + if (cpu_is_omap15xx()) { omap_cfg_reg(USB1_SEO); omap_cfg_reg(USB1_SPEED); @@ -190,20 +244,38 @@ static u32 __init omap_usb1_init(unsigned nwires) } else if (cpu_is_omap1710()) { omap_cfg_reg(R13_1710_USB1_SE0); // SUSP + } else if (cpu_is_omap24xx()) { + /* NOTE: board-specific code must set up pin muxing for usb1, + * since each signal could come out on either of two balls. + */ } else { - pr_debug("usb unrecognized\n"); + pr_debug("usb%d cpu unrecognized\n", 1); + return 0; } - if (nwires != 3) - omap_cfg_reg(USB1_RCV); switch (nwires) { + case 2: + if (!cpu_is_omap24xx()) + goto bad; + /* NOTE: board-specific code must override this setting if + * this TLL link is not using DP/DM + */ + syscon1 = 1; + CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR_TLL); + break; case 3: syscon1 = 2; + if (cpu_is_omap24xx()) + CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR); break; case 4: syscon1 = 1; + if (cpu_is_omap24xx()) + CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR); break; case 6: + if (cpu_is_omap24xx()) + goto bad; syscon1 = 3; omap_cfg_reg(USB1_VP); omap_cfg_reg(USB1_VM); @@ -211,6 +283,7 @@ static u32 __init omap_usb1_init(unsigned nwires) USB_TRANSCEIVER_CTRL_REG |= CONF_USB1_UNI_R; break; default: +bad: printk(KERN_ERR "illegal usb%d %d-wire transceiver\n", 1, nwires); } @@ -221,10 +294,17 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup) { u32 syscon1 = 0; - /* NOTE erratum: must leave USB2_UNI_R set if usb0 in use */ + if (cpu_is_omap24xx()) { + CONTROL_DEVCONF_REG &= ~(USBT2WRMODEI(USB_BIDIR_TLL) + | USBT2TLL5PI); + alt_pingroup = 0; + } + + /* NOTE omap1 erratum: must leave USB2_UNI_R set if usb0 in use */ if (alt_pingroup || nwires == 0) return 0; - if (nwires != 6 && !cpu_is_omap15xx()) + + if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6) USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB2_UNI_R; /* external transceiver */ @@ -242,19 +322,54 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup) if (nwires != 3) omap_cfg_reg(Y5_USB2_RCV); // FIXME omap_cfg_reg(USB2_SPEED); + } else if (cpu_is_omap24xx()) { + omap_cfg_reg(Y11_24XX_USB2_DAT); + omap_cfg_reg(AA10_24XX_USB2_SE0); + if (nwires > 2) + omap_cfg_reg(AA12_24XX_USB2_TXEN); + if (nwires > 3) + omap_cfg_reg(AA6_24XX_USB2_RCV); } else { - pr_debug("usb unrecognized\n"); + pr_debug("usb%d cpu unrecognized\n", 1); + return 0; } - // omap_cfg_reg(USB2_SUSP); + // if (cpu_class_is_omap1()) omap_cfg_reg(USB2_SUSP); switch (nwires) { + case 2: + if (!cpu_is_omap24xx()) + goto bad; + /* NOTE: board-specific code must override this setting if + * this TLL link is not using DP/DM + */ + syscon1 = 1; + CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR_TLL); + break; case 3: syscon1 = 2; + if (cpu_is_omap24xx()) + CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR); break; case 4: syscon1 = 1; + if (cpu_is_omap24xx()) + CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR); + break; + case 5: + if (!cpu_is_omap24xx()) + goto bad; + omap_cfg_reg(AA4_24XX_USB2_TLLSE0); + /* NOTE: board-specific code must override this setting if + * this TLL link is not using DP/DM. Something must also + * set up OTG_SYSCON2.HMC_TLL{ATTACH,SPEED} + */ + syscon1 = 3; + CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_UNIDIR_TLL) + | USBT2TLL5PI; break; case 6: + if (cpu_is_omap24xx()) + goto bad; syscon1 = 3; if (cpu_is_omap15xx()) { omap_cfg_reg(USB2_VP); @@ -266,6 +381,7 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup) } break; default: +bad: printk(KERN_ERR "illegal usb%d %d-wire transceiver\n", 2, nwires); } @@ -294,13 +410,13 @@ static struct resource udc_resources[] = { .end = UDC_BASE + 0xff, .flags = IORESOURCE_MEM, }, { /* general IRQ */ - .start = IH2_BASE + 20, + .start = INT_USB_IRQ_GEN, .flags = IORESOURCE_IRQ, }, { /* PIO IRQ */ - .start = IH2_BASE + 30, + .start = INT_USB_IRQ_NISO, .flags = IORESOURCE_IRQ, }, { /* SOF IRQ */ - .start = IH2_BASE + 29, + .start = INT_USB_IRQ_ISO, .flags = IORESOURCE_IRQ, }, }; @@ -329,11 +445,11 @@ static u64 ohci_dmamask = ~(u32)0; static struct resource ohci_resources[] = { { .start = OMAP_OHCI_BASE, - .end = OMAP_OHCI_BASE + 4096 - 1, + .end = OMAP_OHCI_BASE + 0xff, .flags = IORESOURCE_MEM, }, { - .start = INT_USB_HHC_1, + .start = INT_USB_IRQ_HGEN, .flags = IORESOURCE_IRQ, }, }; @@ -361,7 +477,7 @@ static struct resource otg_resources[] = { .end = OTG_BASE + 0xff, .flags = IORESOURCE_MEM, }, { - .start = IH2_BASE + 8, + .start = INT_USB_IRQ_OTG, .flags = IORESOURCE_IRQ, }, }; @@ -385,7 +501,7 @@ static struct platform_device otg_device = { // FIXME correct answer depends on hmc_mode, -// as does any nonzero value for config->otg port number +// as does (on omap1) any nonzero value for config->otg port number #ifdef CONFIG_USB_GADGET_OMAP #define is_usb0_device(config) 1 #else @@ -426,12 +542,13 @@ omap_otg_init(struct omap_usb_config *config) if (config->otg) syscon |= OTG_EN; #endif - pr_debug("USB_TRANSCEIVER_CTRL_REG = %03x\n", USB_TRANSCEIVER_CTRL_REG); + if (cpu_class_is_omap1()) + pr_debug("USB_TRANSCEIVER_CTRL_REG = %03x\n", USB_TRANSCEIVER_CTRL_REG); pr_debug("OTG_SYSCON_2_REG = %08x\n", syscon); OTG_SYSCON_2_REG = syscon; printk("USB: hmc %d", config->hmc_mode); - if (alt_pingroup) + if (!alt_pingroup) printk(", usb2 alt %d wires", config->pins[2]); else if (config->pins[0]) printk(", usb0 %d wires%s", config->pins[0], @@ -444,10 +561,12 @@ omap_otg_init(struct omap_usb_config *config) printk(", Mini-AB on usb%d", config->otg - 1); printk("\n"); - /* leave USB clocks/controllers off until needed */ - ULPD_SOFT_REQ_REG &= ~SOFT_USB_CLK_REQ; - ULPD_CLOCK_CTRL_REG &= ~USB_MCLK_EN; - ULPD_CLOCK_CTRL_REG |= DIS_USB_PVCI_CLK; + if (cpu_class_is_omap1()) { + /* leave USB clocks/controllers off until needed */ + ULPD_SOFT_REQ_REG &= ~SOFT_USB_CLK_REQ; + ULPD_CLOCK_CTRL_REG &= ~USB_MCLK_EN; + ULPD_CLOCK_CTRL_REG |= DIS_USB_PVCI_CLK; + } syscon = OTG_SYSCON_1_REG; syscon |= HST_IDLE_EN|DEV_IDLE_EN|OTG_IDLE_EN; @@ -585,7 +704,7 @@ omap_usb_init(void) } platform_data = *config; - if (cpu_is_omap730() || cpu_is_omap16xx()) + if (cpu_is_omap730() || cpu_is_omap16xx() || cpu_is_omap24xx()) omap_otg_init(&platform_data); else if (cpu_is_omap15xx()) omap_1510_usb_init(&platform_data); diff --git a/arch/arm/plat-s3c24xx/sleep.S b/arch/arm/plat-s3c24xx/sleep.S index 435349dc3243..7b7ae790b00d 100644 --- a/arch/arm/plat-s3c24xx/sleep.S +++ b/arch/arm/plat-s3c24xx/sleep.S @@ -1,4 +1,4 @@ -/* linux/arch/arm/mach-s3c2410/sleep.S +/* linux/arch/arm/plat-s3c24xx/sleep.S * * Copyright (c) 2004 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> diff --git a/arch/arm/plat-s3c24xx/time.c b/arch/arm/plat-s3c24xx/time.c index c523d1c9cce5..b7667375bcec 100644 --- a/arch/arm/plat-s3c24xx/time.c +++ b/arch/arm/plat-s3c24xx/time.c @@ -138,7 +138,7 @@ s3c2410_timer_interrupt(int irq, void *dev_id) static struct irqaction s3c2410_timer_irq = { .name = "S3C2410 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = s3c2410_timer_interrupt, }; diff --git a/arch/arm26/kernel/armksyms.c b/arch/arm26/kernel/armksyms.c index 93293d04b303..f735d7e018e4 100644 --- a/arch/arm26/kernel/armksyms.c +++ b/arch/arm26/kernel/armksyms.c @@ -20,7 +20,6 @@ #include <linux/pm.h> #include <linux/tty.h> #include <linux/vt_kern.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <asm/byteorder.h> diff --git a/arch/arm26/kernel/ptrace.c b/arch/arm26/kernel/ptrace.c index 9343889b27fe..416927956721 100644 --- a/arch/arm26/kernel/ptrace.c +++ b/arch/arm26/kernel/ptrace.c @@ -13,7 +13,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/ptrace.h> #include <linux/user.h> #include <linux/security.h> diff --git a/arch/arm26/kernel/signal.c b/arch/arm26/kernel/signal.c index 6a8ef8da6dab..379b82dc645f 100644 --- a/arch/arm26/kernel/signal.c +++ b/arch/arm26/kernel/signal.c @@ -13,7 +13,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/signal.h> diff --git a/arch/arm26/mm/memc.c b/arch/arm26/mm/memc.c index f2901581d4da..42505541a9b1 100644 --- a/arch/arm26/mm/memc.c +++ b/arch/arm26/mm/memc.c @@ -176,13 +176,9 @@ void __init pgtable_cache_init(void) { pte_cache = kmem_cache_create("pte-cache", sizeof(pte_t) * PTRS_PER_PTE, - 0, 0, pte_cache_ctor, NULL); - if (!pte_cache) - BUG(); + 0, SLAB_PANIC, pte_cache_ctor, NULL); pgd_cache = kmem_cache_create("pgd-cache", MEMC_TABLE_SIZE + sizeof(pgd_t) * PTRS_PER_PGD, - 0, 0, pgd_cache_ctor, NULL); - if (!pgd_cache) - BUG(); + 0, SLAB_PANIC, pgd_cache_ctor, NULL); } diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile index 6115fc1f0cfa..dc6bc01f232c 100644 --- a/arch/avr32/Makefile +++ b/arch/avr32/Makefile @@ -16,7 +16,7 @@ AFLAGS += -mrelax -mno-pic CFLAGS_MODULE += -mno-relax LDFLAGS_vmlinux += --relax -cpuflags-$(CONFIG_CPU_AP7000) += -mcpu=ap7000 +cpuflags-$(CONFIG_CPU_AT32AP7000) += -mcpu=ap7000 CFLAGS += $(cpuflags-y) AFLAGS += $(cpuflags-y) diff --git a/arch/avr32/kernel/kprobes.c b/arch/avr32/kernel/kprobes.c index d0abbcaf1c1e..004c94b6fc1d 100644 --- a/arch/avr32/kernel/kprobes.c +++ b/arch/avr32/kernel/kprobes.c @@ -15,7 +15,7 @@ #include <linux/ptrace.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/ocd.h> DEFINE_PER_CPU(struct kprobe *, current_kprobe); diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c index 4e4181ed1c6d..13f988402613 100644 --- a/arch/avr32/kernel/process.c +++ b/arch/avr32/kernel/process.c @@ -330,13 +330,13 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp, { struct pt_regs *childregs; - childregs = ((struct pt_regs *)(THREAD_SIZE + (unsigned long)p->thread_info)) - 1; + childregs = ((struct pt_regs *)(THREAD_SIZE + (unsigned long)task_stack_page(p))) - 1; *childregs = *regs; if (user_mode(regs)) childregs->sp = usp; else - childregs->sp = (unsigned long)p->thread_info + THREAD_SIZE; + childregs->sp = (unsigned long)task_stack_page(p) + THREAD_SIZE; childregs->r12 = 0; /* Set return value for child */ @@ -403,7 +403,7 @@ unsigned long get_wchan(struct task_struct *p) if (!p || p == current || p->state == TASK_RUNNING) return 0; - stack_page = (unsigned long)p->thread_info; + stack_page = (unsigned long)task_stack_page(p); BUG_ON(!stack_page); /* diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c index 6f4388f7c20b..3c36c2d16148 100644 --- a/arch/avr32/kernel/ptrace.c +++ b/arch/avr32/kernel/ptrace.c @@ -9,7 +9,6 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/ptrace.h> #include <linux/errno.h> #include <linux/user.h> @@ -21,11 +20,11 @@ #include <asm/uaccess.h> #include <asm/ocd.h> #include <asm/mmu_context.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> static struct pt_regs *get_user_regs(struct task_struct *tsk) { - return (struct pt_regs *)((unsigned long) tsk->thread_info + + return (struct pt_regs *)((unsigned long)task_stack_page(tsk) + THREAD_SIZE - sizeof(struct pt_regs)); } @@ -300,7 +299,7 @@ asmlinkage void do_debug_priv(struct pt_regs *regs) else die_val = DIE_BREAKPOINT; - if (notify_die(die_val, regs, 0, SIGTRAP) == NOTIFY_STOP) + if (notify_die(die_val, "ptrace", regs, 0, 0, SIGTRAP) == NOTIFY_STOP) return; if (likely(ds & DS_SSS)) { diff --git a/arch/avr32/kernel/syscall_table.S b/arch/avr32/kernel/syscall_table.S index 7c279586fbba..07f6a6fa340d 100644 --- a/arch/avr32/kernel/syscall_table.S +++ b/arch/avr32/kernel/syscall_table.S @@ -291,4 +291,5 @@ sys_call_table: .long sys_shmget /* 275 */ .long sys_shmdt .long sys_shmctl + .long sys_utimensat .long sys_ni_syscall /* r8 is saturated at nr_syscalls */ diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c index 4f0382d8483f..86d107511dd4 100644 --- a/arch/avr32/kernel/traps.c +++ b/arch/avr32/kernel/traps.c @@ -20,20 +20,6 @@ #include <asm/sysreg.h> #include <asm/traps.h> -ATOMIC_NOTIFIER_HEAD(avr32_die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&avr32_die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&avr32_die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); - static DEFINE_SPINLOCK(die_lock); void NORET_TYPE die(const char *str, struct pt_regs *regs, long err) @@ -137,7 +123,7 @@ asmlinkage void do_address_exception(unsigned long ecr, struct pt_regs *regs) /* This way of handling undefined instructions is stolen from ARM */ static LIST_HEAD(undef_hook); -static spinlock_t undef_lock = SPIN_LOCK_UNLOCKED; +static DEFINE_SPINLOCK(undef_lock); void register_undef_hook(struct undef_hook *hook) { diff --git a/arch/avr32/kernel/vmlinux.lds.c b/arch/avr32/kernel/vmlinux.lds.c index 7ad20cfb48a8..e7f72c995a32 100644 --- a/arch/avr32/kernel/vmlinux.lds.c +++ b/arch/avr32/kernel/vmlinux.lds.c @@ -35,7 +35,7 @@ SECTIONS _einittext = .; . = ALIGN(4); __tagtable_begin = .; - *(.taglist) + *(.taglist.init) __tagtable_end = .; *(.init.data) . = ALIGN(16); diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c index 00c435452d7e..0f8c89c9f832 100644 --- a/arch/avr32/mach-at32ap/clock.c +++ b/arch/avr32/mach-at32ap/clock.c @@ -18,7 +18,7 @@ #include "clock.h" -static spinlock_t clk_lock = SPIN_LOCK_UNLOCKED; +static DEFINE_SPINLOCK(clk_lock); struct clk *clk_get(struct device *dev, const char *id) { diff --git a/arch/avr32/mm/dma-coherent.c b/arch/avr32/mm/dma-coherent.c index b68d669f823d..099212d4567c 100644 --- a/arch/avr32/mm/dma-coherent.c +++ b/arch/avr32/mm/dma-coherent.c @@ -112,16 +112,21 @@ void dma_free_coherent(struct device *dev, size_t size, } EXPORT_SYMBOL(dma_free_coherent); -#if 0 void *dma_alloc_writecombine(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp) { struct page *page; + dma_addr_t phys; page = __dma_alloc(dev, size, handle, gfp); + if (!page) + return NULL; + + phys = page_to_phys(page); + *handle = phys; /* Now, map the page into P3 with write-combining turned on */ - return __ioremap(page_to_phys(page), size, _PAGE_BUFFER); + return __ioremap(phys, size, _PAGE_BUFFER); } EXPORT_SYMBOL(dma_alloc_writecombine); @@ -132,8 +137,7 @@ void dma_free_writecombine(struct device *dev, size_t size, iounmap(cpu_addr); - page = bus_to_page(handle); + page = phys_to_page(handle); __dma_free(dev, size, page, handle); } EXPORT_SYMBOL(dma_free_writecombine); -#endif diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c index 146ebdbdc302..88b00b15970f 100644 --- a/arch/avr32/mm/fault.c +++ b/arch/avr32/mm/fault.c @@ -13,7 +13,7 @@ #include <linux/module.h> #include <linux/pagemap.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/mmu_context.h> #include <asm/sysreg.h> #include <asm/tlb.h> diff --git a/arch/blackfin/kernel/asm-offsets.c b/arch/blackfin/kernel/asm-offsets.c index 41d9a9f89700..e455f4504509 100644 --- a/arch/blackfin/kernel/asm-offsets.c +++ b/arch/blackfin/kernel/asm-offsets.c @@ -46,7 +46,7 @@ int main(void) DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace)); DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked)); DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); - DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, thread_info)); + DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack)); DEFINE(TASK_MM, offsetof(struct task_struct, mm)); DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, pending)); diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index d7c8e514cb92..e718bb4a1ef0 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -73,7 +73,7 @@ static inline struct pt_regs *get_user_regs(struct task_struct *task) { return (struct pt_regs *) - ((unsigned long)task->thread_info + + ((unsigned long)task_stack_page(task) + (THREAD_SIZE - sizeof(struct pt_regs))); } @@ -99,7 +99,7 @@ static inline long get_reg(struct task_struct *task, int regno) unsigned char *reg_ptr; struct pt_regs *regs = - (struct pt_regs *)((unsigned long)task->thread_info + + (struct pt_regs *)((unsigned long)task_stack_page(task) + (THREAD_SIZE - sizeof(struct pt_regs))); reg_ptr = (char *)regs; @@ -125,7 +125,7 @@ put_reg(struct task_struct *task, int regno, unsigned long data) char * reg_ptr; struct pt_regs *regs = - (struct pt_regs *)((unsigned long)task->thread_info + + (struct pt_regs *)((unsigned long)task_stack_page(task) + (THREAD_SIZE - sizeof(struct pt_regs))); reg_ptr = (char *)regs; diff --git a/arch/cris/arch-v10/kernel/ptrace.c b/arch/cris/arch-v10/kernel/ptrace.c index 961c0d58ded4..fd2129a04586 100644 --- a/arch/cris/arch-v10/kernel/ptrace.c +++ b/arch/cris/arch-v10/kernel/ptrace.c @@ -6,7 +6,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c index 19bcad05716f..41d4a5f93284 100644 --- a/arch/cris/arch-v10/kernel/signal.c +++ b/arch/cris/arch-v10/kernel/signal.c @@ -16,7 +16,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig index f64624fc4504..1d859c16931e 100644 --- a/arch/cris/arch-v32/drivers/Kconfig +++ b/arch/cris/arch-v32/drivers/Kconfig @@ -603,7 +603,7 @@ config ETRAX_CARDBUS select HOTPLUG select PCCARD_NONSTATIC help - Enabled the ETRAX Carbus driver. + Enabled the ETRAX Cardbus driver. config PCI bool diff --git a/arch/cris/arch-v32/drivers/pci/dma.c b/arch/cris/arch-v32/drivers/pci/dma.c index 70d3bf0c92e8..832fc63504d4 100644 --- a/arch/cris/arch-v32/drivers/pci/dma.c +++ b/arch/cris/arch-v32/drivers/pci/dma.c @@ -76,7 +76,7 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, { void __iomem *mem_base; int pages = size >> PAGE_SHIFT; - int bitmap_size = (pages + 31)/32; + int bitmap_size = BITS_TO_LONGS(pages) * sizeof(long); if ((flags & (DMA_MEMORY_MAP | DMA_MEMORY_IO)) == 0) goto out; diff --git a/arch/cris/arch-v32/kernel/ptrace.c b/arch/cris/arch-v32/kernel/ptrace.c index 82cf2e3624a4..d4d57b741334 100644 --- a/arch/cris/arch-v32/kernel/ptrace.c +++ b/arch/cris/arch-v32/kernel/ptrace.c @@ -6,7 +6,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/cris/kernel/crisksyms.c b/arch/cris/kernel/crisksyms.c index 1f20c16ac2a4..105bb5ed48f7 100644 --- a/arch/cris/kernel/crisksyms.c +++ b/arch/cris/kernel/crisksyms.c @@ -4,7 +4,6 @@ #include <linux/sched.h> #include <linux/in6.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/pm.h> #include <linux/kernel.h> #include <linux/string.h> diff --git a/arch/cris/kernel/ptrace.c b/arch/cris/kernel/ptrace.c index 2b6363cbe985..1085d037027b 100644 --- a/arch/cris/kernel/ptrace.c +++ b/arch/cris/kernel/ptrace.c @@ -67,7 +67,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index eed694312a79..114738a45582 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -45,15 +45,15 @@ config TIME_LOW_RES bool default y -config ARCH_HAS_ILOG2_U32 +config QUICKLIST bool default y -config ARCH_HAS_ILOG2_U64 +config ARCH_HAS_ILOG2_U32 bool default y -config ARCH_USES_SLAB_PAGE_STRUCT +config ARCH_HAS_ILOG2_U64 bool default y diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index 940ac306e9a0..43dc08ec7511 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -1482,6 +1482,16 @@ sys_call_table: .long sys_faccessat .long sys_pselect6 .long sys_ppoll + .long sys_unshare /* 310 */ + .long sys_set_robust_list + .long sys_get_robust_list + .long sys_splice + .long sys_sync_file_range + .long sys_tee /* 315 */ + .long sys_vmsplice + .long sys_move_pages + .long sys_getcpu + .long sys_epoll_pwait syscall_table_size = (. - sys_call_table) diff --git a/arch/frv/kernel/irq.c b/arch/frv/kernel/irq.c index 87f360a4ea27..c7e59dcadee4 100644 --- a/arch/frv/kernel/irq.c +++ b/arch/frv/kernel/irq.c @@ -18,7 +18,6 @@ #include <linux/timex.h> #include <linux/slab.h> #include <linux/random.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/kernel_stat.h> #include <linux/irq.h> diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c index 515a5cea5469..9583a338e9d6 100644 --- a/arch/frv/kernel/process.c +++ b/arch/frv/kernel/process.c @@ -25,12 +25,14 @@ #include <linux/elf.h> #include <linux/reboot.h> #include <linux/interrupt.h> +#include <linux/pagemap.h> #include <asm/asm-offsets.h> #include <asm/uaccess.h> #include <asm/system.h> #include <asm/setup.h> #include <asm/pgtable.h> +#include <asm/tlb.h> #include <asm/gdb-stub.h> #include <asm/mb-regs.h> @@ -88,6 +90,8 @@ void cpu_idle(void) while (!need_resched()) { irq_stat[cpu].idle_timestamp = jiffies; + check_pgt_cache(); + if (!frv_dma_inprogress && idle) idle(); } diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c index fcff819b4340..ce88fb95ee59 100644 --- a/arch/frv/kernel/ptrace.c +++ b/arch/frv/kernel/ptrace.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/frv/kernel/semaphore.c b/arch/frv/kernel/semaphore.c index f278cdf3a72f..8e182ced1a0f 100644 --- a/arch/frv/kernel/semaphore.c +++ b/arch/frv/kernel/semaphore.c @@ -19,7 +19,7 @@ struct sem_waiter { struct task_struct *task; }; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE void semtrace(struct semaphore *sem, const char *str) { if (sem->debug) diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c index 8ea3ca2aba62..aa3c795d5354 100644 --- a/arch/frv/kernel/setup.c +++ b/arch/frv/kernel/setup.c @@ -191,7 +191,7 @@ static struct clock_cmode __pminitdata clock_cmodes_fr555[16] = { static const struct clock_cmode __pminitdata *clock_cmodes; static int __pminitdata clock_doubled; -static struct uart_port __initdata __frv_uart0 = { +static struct uart_port __pminitdata __frv_uart0 = { .uartclk = 0, .membase = (char *) UART0_BASE, .irq = IRQ_CPU_UART0, @@ -200,7 +200,7 @@ static struct uart_port __initdata __frv_uart0 = { .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, }; -static struct uart_port __initdata __frv_uart1 = { +static struct uart_port __pminitdata __frv_uart1 = { .uartclk = 0, .membase = (char *) UART1_BASE, .irq = IRQ_CPU_UART1, diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c index 85baeae9666a..d64bcaff54cd 100644 --- a/arch/frv/kernel/signal.c +++ b/arch/frv/kernel/signal.c @@ -13,7 +13,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/frv/kernel/sys_frv.c b/arch/frv/kernel/sys_frv.c index c4d4348c9e8e..26b3df32b9a7 100644 --- a/arch/frv/kernel/sys_frv.c +++ b/arch/frv/kernel/sys_frv.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/frv/mm/elf-fdpic.c b/arch/frv/mm/elf-fdpic.c index cac2c01a3a56..385fd30b142f 100644 --- a/arch/frv/mm/elf-fdpic.c +++ b/arch/frv/mm/elf-fdpic.c @@ -13,6 +13,7 @@ #include <linux/mm.h> #include <linux/fs.h> #include <linux/elf-fdpic.h> +#include <asm/mman.h> /*****************************************************************************/ /* diff --git a/arch/frv/mm/pgalloc.c b/arch/frv/mm/pgalloc.c index 19b13be114a2..7787c3cc52c6 100644 --- a/arch/frv/mm/pgalloc.c +++ b/arch/frv/mm/pgalloc.c @@ -13,12 +13,12 @@ #include <linux/slab.h> #include <linux/mm.h> #include <linux/highmem.h> +#include <linux/quicklist.h> #include <asm/pgalloc.h> #include <asm/page.h> #include <asm/cacheflush.h> pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__((aligned(PAGE_SIZE))); -struct kmem_cache *pgd_cache; pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { @@ -100,7 +100,7 @@ static inline void pgd_list_del(pgd_t *pgd) set_page_private(next, (unsigned long) pprev); } -void pgd_ctor(void *pgd, struct kmem_cache *cache, unsigned long unused) +void pgd_ctor(void *pgd) { unsigned long flags; @@ -120,7 +120,7 @@ void pgd_ctor(void *pgd, struct kmem_cache *cache, unsigned long unused) } /* never called when PTRS_PER_PMD > 1 */ -void pgd_dtor(void *pgd, struct kmem_cache *cache, unsigned long unused) +void pgd_dtor(void *pgd) { unsigned long flags; /* can be called from interrupt context */ @@ -133,7 +133,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm) { pgd_t *pgd; - pgd = kmem_cache_alloc(pgd_cache, GFP_KERNEL); + pgd = quicklist_alloc(0, GFP_KERNEL, pgd_ctor); if (!pgd) return pgd; @@ -143,17 +143,15 @@ pgd_t *pgd_alloc(struct mm_struct *mm) void pgd_free(pgd_t *pgd) { /* in the non-PAE case, clear_page_tables() clears user pgd entries */ - kmem_cache_free(pgd_cache, pgd); + quicklist_free(0, pgd_dtor, pgd); } void __init pgtable_cache_init(void) { - pgd_cache = kmem_cache_create("pgd", - PTRS_PER_PGD * sizeof(pgd_t), - PTRS_PER_PGD * sizeof(pgd_t), - 0, - pgd_ctor, - pgd_dtor); - if (!pgd_cache) - panic("pgtable_cache_init(): Cannot create pgd cache"); } + +void check_pgt_cache(void) +{ + quicklist_trim(0, pgd_dtor, 25, 16); +} + diff --git a/arch/h8300/Kconfig.debug b/arch/h8300/Kconfig.debug index e0e9bcb015a9..554efe604a08 100644 --- a/arch/h8300/Kconfig.debug +++ b/arch/h8300/Kconfig.debug @@ -21,12 +21,12 @@ config GDB_MAGICPRINT bool "Message Output for GDB MagicPrint service" depends on (H8300H_SIM || H8S_SIM) help - kernel messages output useing MagicPrint service from GDB + kernel messages output using MagicPrint service from GDB config SYSCALL_PRINT bool "SystemCall trace print" help - outout history of systemcall + output history of systemcall config GDB_DEBUG bool "Use gdb stub" diff --git a/arch/h8300/kernel/asm-offsets.c b/arch/h8300/kernel/asm-offsets.c index b78b82ad28a3..fc30b4fd0914 100644 --- a/arch/h8300/kernel/asm-offsets.c +++ b/arch/h8300/kernel/asm-offsets.c @@ -30,7 +30,7 @@ int main(void) DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace)); DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked)); DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); - DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, thread_info)); + DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack)); DEFINE(TASK_MM, offsetof(struct task_struct, mm)); DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c index f6031373dc21..8f2411db7eaf 100644 --- a/arch/h8300/kernel/ptrace.c +++ b/arch/h8300/kernel/ptrace.c @@ -19,7 +19,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/h8300/kernel/sys_h8300.c b/arch/h8300/kernel/sys_h8300.c index 302a2dfe634a..11ba75a05220 100644 --- a/arch/h8300/kernel/sys_h8300.c +++ b/arch/h8300/kernel/sys_h8300.c @@ -10,7 +10,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 64ad10f984a1..30944ee2e61a 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -858,9 +858,9 @@ config RELOCATABLE bool "Build a relocatable kernel(EXPERIMENTAL)" depends on EXPERIMENTAL help - This build a kernel image that retains relocation information + This builds a kernel image that retains relocation information so it can be loaded someplace besides the default 1MB. - The relocations tend to the kernel binary about 10% larger, + The relocations tend to make the kernel binary about 10% larger, but are discarded at runtime. One use is for the kexec on panic case where the recovery kernel diff --git a/arch/i386/Kconfig.cpu b/arch/i386/Kconfig.cpu index dce6124cb842..d7f6fb0b30f2 100644 --- a/arch/i386/Kconfig.cpu +++ b/arch/i386/Kconfig.cpu @@ -108,7 +108,7 @@ config MCORE2 bool "Core 2/newer Xeon" help Select this for Intel Core 2 and newer Core 2 Xeons (Xeon 51xx and 53xx) - CPUs. You can distingush newer from older Xeons by the CPU family + CPUs. You can distinguish newer from older Xeons by the CPU family in /proc/cpuinfo. Newer ones have 6. config MPENTIUM4 @@ -172,7 +172,7 @@ config MWINCHIP3D help Select this for an IDT Winchip-2A or 3. Linux and GCC treat this chip as a 586TSC with some extended instructions - and alignment reqirements. Also enable out of order memory + and alignment requirements. Also enable out of order memory stores for this CPU, which can increase performance of some operations. diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile index 4f98516b9f94..91cff8dc9e1a 100644 --- a/arch/i386/kernel/Makefile +++ b/arch/i386/kernel/Makefile @@ -34,6 +34,7 @@ obj-y += sysenter.o vsyscall.o obj-$(CONFIG_ACPI_SRAT) += srat.o obj-$(CONFIG_EFI) += efi.o efi_stub.o obj-$(CONFIG_DOUBLEFAULT) += doublefault.o +obj-$(CONFIG_SERIAL_8250) += legacy_serial.o obj-$(CONFIG_VM86) += vm86.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_HPET_TIMER) += hpet.o diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index aca054cc0552..67824f3bb974 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c @@ -19,7 +19,6 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/bootmem.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/mc146818rtc.h> #include <linux/kernel_stat.h> diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c index 367ff1d930cb..4112afe712b9 100644 --- a/arch/i386/kernel/apm.c +++ b/arch/i386/kernel/apm.c @@ -223,7 +223,6 @@ #include <linux/device.h> #include <linux/kernel.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/dmi.h> #include <linux/suspend.h> #include <linux/kthread.h> @@ -1173,7 +1172,7 @@ static void reinit_timer(void) unsigned long flags; spin_lock_irqsave(&i8253_lock, flags); - /* set the clock to 100 Hz */ + /* set the clock to HZ */ outb_p(0x34, PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */ udelay(10); outb_p(LATCH & 0xff, PIT_CH0); /* LSB */ diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c index 80b4c5d421b1..e5be819492ef 100644 --- a/arch/i386/kernel/cpu/intel_cacheinfo.c +++ b/arch/i386/kernel/cpu/intel_cacheinfo.c @@ -733,9 +733,11 @@ static int __cpuinit cacheinfo_cpu_callback(struct notifier_block *nfb, sys_dev = get_cpu_sysdev(cpu); switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: cache_add_dev(sys_dev); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: cache_remove_dev(sys_dev); break; } diff --git a/arch/i386/kernel/cpu/mcheck/therm_throt.c b/arch/i386/kernel/cpu/mcheck/therm_throt.c index 065005c3f168..7ba7c3abd3a4 100644 --- a/arch/i386/kernel/cpu/mcheck/therm_throt.c +++ b/arch/i386/kernel/cpu/mcheck/therm_throt.c @@ -1,5 +1,5 @@ /* - * linux/arch/i386/kerne/cpu/mcheck/therm_throt.c + * linux/arch/i386/kernel/cpu/mcheck/therm_throt.c * * Thermal throttle event support code (such as syslog messaging and rate * limiting) that was factored out from x86_64 (mce_intel.c) and i386 (p4.c). @@ -137,10 +137,12 @@ static __cpuinit int thermal_throttle_cpu_callback(struct notifier_block *nfb, mutex_lock(&therm_cpu_lock); switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: err = thermal_throttle_add_dev(sys_dev); WARN_ON(err); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: thermal_throttle_remove_dev(sys_dev); break; } diff --git a/arch/i386/kernel/cpu/transmeta.c b/arch/i386/kernel/cpu/transmeta.c index 6471a5a13202..200fb3f9ebfb 100644 --- a/arch/i386/kernel/cpu/transmeta.c +++ b/arch/i386/kernel/cpu/transmeta.c @@ -77,8 +77,10 @@ static void __cpuinit init_transmeta(struct cpuinfo_x86 *c) set_bit(X86_FEATURE_CONSTANT_TSC, c->x86_capability); /* If we can run i686 user-space code, call us an i686 */ -#define USER686 (X86_FEATURE_TSC|X86_FEATURE_CX8|X86_FEATURE_CMOV) - if ( c->x86 == 5 && (c->x86_capability[0] & USER686) == USER686 ) +#define USER686 ((1 << X86_FEATURE_TSC)|\ + (1 << X86_FEATURE_CX8)|\ + (1 << X86_FEATURE_CMOV)) + if (c->x86 == 5 && (c->x86_capability[0] & USER686) == USER686) c->x86 = 6; #ifdef CONFIG_SYSCTL diff --git a/arch/i386/kernel/cpuid.c b/arch/i386/kernel/cpuid.c index eeae0d992337..5c2faa10e9fa 100644 --- a/arch/i386/kernel/cpuid.c +++ b/arch/i386/kernel/cpuid.c @@ -169,9 +169,11 @@ static int cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long ac switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: cpuid_device_create(cpu); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, cpu)); break; } diff --git a/arch/i386/kernel/crash.c b/arch/i386/kernel/crash.c index a5e0e990ea95..53589d1b1a05 100644 --- a/arch/i386/kernel/crash.c +++ b/arch/i386/kernel/crash.c @@ -22,7 +22,7 @@ #include <asm/nmi.h> #include <asm/hw_irq.h> #include <asm/apic.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/smp.h> #include <mach_ipi.h> diff --git a/arch/i386/kernel/efi.c b/arch/i386/kernel/efi.c index dd9e7faafa7c..a1808022ea19 100644 --- a/arch/i386/kernel/efi.c +++ b/arch/i386/kernel/efi.c @@ -347,14 +347,12 @@ void __init efi_init(void) printk(KERN_ERR PFX "Woah! Couldn't map the EFI system table.\n"); if (efi.systab->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) printk(KERN_ERR PFX "Woah! EFI system table signature incorrect\n"); - if ((efi.systab->hdr.revision ^ EFI_SYSTEM_TABLE_REVISION) >> 16 != 0) - printk(KERN_ERR PFX - "Warning: EFI system table major version mismatch: " - "got %d.%02d, expected %d.%02d\n", + if ((efi.systab->hdr.revision >> 16) == 0) + printk(KERN_ERR PFX "Warning: EFI system table version " + "%d.%02d, expected 1.00 or greater\n", efi.systab->hdr.revision >> 16, - efi.systab->hdr.revision & 0xffff, - EFI_SYSTEM_TABLE_REVISION >> 16, - EFI_SYSTEM_TABLE_REVISION & 0xffff); + efi.systab->hdr.revision & 0xffff); + /* * Grab some details from the system table */ diff --git a/arch/i386/kernel/i8259.c b/arch/i386/kernel/i8259.c index 03abfdb1a6e4..0499cbe9871a 100644 --- a/arch/i386/kernel/i8259.c +++ b/arch/i386/kernel/i8259.c @@ -5,7 +5,6 @@ #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/random.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/kernel_stat.h> #include <linux/sysdev.h> diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index 1b623cda3a64..7f8b7af2b95f 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c @@ -25,7 +25,6 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/mc146818rtc.h> #include <linux/compiler.h> #include <linux/acpi.h> diff --git a/arch/i386/kernel/ioport.c b/arch/i386/kernel/ioport.c index d1e42e0dbe67..3d310a946d76 100644 --- a/arch/i386/kernel/ioport.c +++ b/arch/i386/kernel/ioport.c @@ -12,7 +12,6 @@ #include <linux/types.h> #include <linux/ioport.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/slab.h> #include <linux/thread_info.h> diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c index b545bc746fce..dde828a333c3 100644 --- a/arch/i386/kernel/kprobes.c +++ b/arch/i386/kernel/kprobes.c @@ -31,8 +31,8 @@ #include <linux/kprobes.h> #include <linux/ptrace.h> #include <linux/preempt.h> +#include <linux/kdebug.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> #include <asm/desc.h> #include <asm/uaccess.h> @@ -226,24 +226,15 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) } /* Called with kretprobe_lock held */ -void __kprobes arch_prepare_kretprobe(struct kretprobe *rp, +void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) { unsigned long *sara = (unsigned long *)®s->esp; - struct kretprobe_instance *ri; + ri->ret_addr = (kprobe_opcode_t *) *sara; - if ((ri = get_free_rp_inst(rp)) != NULL) { - ri->rp = rp; - ri->task = current; - ri->ret_addr = (kprobe_opcode_t *) *sara; - - /* Replace the return addr with trampoline addr */ - *sara = (unsigned long) &kretprobe_trampoline; - add_rp_inst(ri); - } else { - rp->nmissed++; - } + /* Replace the return addr with trampoline addr */ + *sara = (unsigned long) &kretprobe_trampoline; } /* @@ -449,8 +440,7 @@ fastcall void *__kprobes trampoline_handler(struct pt_regs *regs) break; } - BUG_ON(!orig_ret_address || (orig_ret_address == trampoline_address)); - + kretprobe_assert(ri, orig_ret_address, trampoline_address); spin_unlock_irqrestore(&kretprobe_lock, flags); hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) { @@ -753,6 +743,11 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs) return 0; } +int __kprobes arch_trampoline_kprobe(struct kprobe *p) +{ + return 0; +} + int __init arch_init_kprobes(void) { return 0; diff --git a/arch/i386/kernel/ldt.c b/arch/i386/kernel/ldt.c index b410e5fb034f..e0b2d17f4f10 100644 --- a/arch/i386/kernel/ldt.c +++ b/arch/i386/kernel/ldt.c @@ -10,7 +10,6 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <linux/slab.h> diff --git a/arch/i386/kernel/legacy_serial.c b/arch/i386/kernel/legacy_serial.c new file mode 100644 index 000000000000..21510118544e --- /dev/null +++ b/arch/i386/kernel/legacy_serial.c @@ -0,0 +1,67 @@ +/* + * Legacy COM port devices for x86 platforms without PNPBIOS or ACPI. + * Data taken from include/asm-i386/serial.h. + * + * (c) Copyright 2007 Hewlett-Packard Development Company, L.P. + * Bjorn Helgaas <bjorn.helgaas@hp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/pnp.h> +#include <linux/serial_8250.h> + +/* Standard COM flags (except for COM4, because of the 8514 problem) */ +#ifdef CONFIG_SERIAL_DETECT_IRQ +#define COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ) +#define COM4_FLAGS (UPF_BOOT_AUTOCONF | UPF_AUTO_IRQ) +#else +#define COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST) +#define COM4_FLAGS UPF_BOOT_AUTOCONF +#endif + +#define PORT(_base,_irq,_flags) \ + { \ + .iobase = _base, \ + .irq = _irq, \ + .uartclk = 1843200, \ + .iotype = UPIO_PORT, \ + .flags = _flags, \ + } + +static struct plat_serial8250_port x86_com_data[] = { + PORT(0x3F8, 4, COM_FLAGS), + PORT(0x2F8, 3, COM_FLAGS), + PORT(0x3E8, 4, COM_FLAGS), + PORT(0x2E8, 3, COM4_FLAGS), + { }, +}; + +static struct platform_device x86_com_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = x86_com_data, + }, +}; + +static int force_legacy_probe; +module_param_named(force, force_legacy_probe, bool, 0); +MODULE_PARM_DESC(force, "Force legacy serial port probe"); + +static int __init serial8250_x86_com_init(void) +{ + if (pnp_platform_devices && !force_legacy_probe) + return -ENODEV; + + return platform_device_register(&x86_com_device); +} + +module_init(serial8250_x86_com_init); + +MODULE_AUTHOR("Bjorn Helgaas"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Generic 8250/16x50 legacy probe module"); diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c index cbe7ec8dbb9f..83f825f2e2d7 100644 --- a/arch/i386/kernel/microcode.c +++ b/arch/i386/kernel/microcode.c @@ -567,7 +567,7 @@ static int cpu_request_microcode(int cpu) return error; } -static int apply_microcode_on_cpu(int cpu) +static int apply_microcode_check_cpu(int cpu) { struct cpuinfo_x86 *c = cpu_data + cpu; struct ucode_cpu_info *uci = ucode_cpu_info + cpu; @@ -575,8 +575,9 @@ static int apply_microcode_on_cpu(int cpu) unsigned int val[2]; int err = 0; + /* Check if the microcode is available */ if (!uci->mc) - return -EINVAL; + return 0; old = current->cpus_allowed; set_cpus_allowed(current, cpumask_of_cpu(cpu)); @@ -614,7 +615,7 @@ static int apply_microcode_on_cpu(int cpu) return err; } -static void microcode_init_cpu(int cpu) +static void microcode_init_cpu(int cpu, int resume) { cpumask_t old; struct ucode_cpu_info *uci = ucode_cpu_info + cpu; @@ -624,8 +625,7 @@ static void microcode_init_cpu(int cpu) set_cpus_allowed(current, cpumask_of_cpu(cpu)); mutex_lock(µcode_mutex); collect_cpu_info(cpu); - if (uci->valid && system_state == SYSTEM_RUNNING && - !suspend_cpu_hotplug) + if (uci->valid && system_state == SYSTEM_RUNNING && !resume) cpu_request_microcode(cpu); mutex_unlock(µcode_mutex); set_cpus_allowed(current, old); @@ -702,7 +702,7 @@ static struct attribute_group mc_attr_group = { .name = "microcode", }; -static int mc_sysdev_add(struct sys_device *sys_dev) +static int __mc_sysdev_add(struct sys_device *sys_dev, int resume) { int err, cpu = sys_dev->id; struct ucode_cpu_info *uci = ucode_cpu_info + cpu; @@ -711,39 +711,31 @@ static int mc_sysdev_add(struct sys_device *sys_dev) return 0; pr_debug("Microcode:CPU %d added\n", cpu); - /* If suspend_cpu_hotplug is set, the system is resuming and we should - * use the data from before the suspend. - */ - if (suspend_cpu_hotplug) { - err = apply_microcode_on_cpu(cpu); - if (err) - microcode_fini_cpu(cpu); - } - if (!uci->valid) - memset(uci, 0, sizeof(*uci)); + memset(uci, 0, sizeof(*uci)); err = sysfs_create_group(&sys_dev->kobj, &mc_attr_group); if (err) return err; - if (!uci->valid) - microcode_init_cpu(cpu); + microcode_init_cpu(cpu, resume); return 0; } +static int mc_sysdev_add(struct sys_device *sys_dev) +{ + return __mc_sysdev_add(sys_dev, 0); +} + static int mc_sysdev_remove(struct sys_device *sys_dev) { int cpu = sys_dev->id; if (!cpu_online(cpu)) return 0; + pr_debug("Microcode:CPU %d removed\n", cpu); - /* If suspend_cpu_hotplug is set, the system is suspending and we should - * keep the microcode in memory for the resume. - */ - if (!suspend_cpu_hotplug) - microcode_fini_cpu(cpu); + microcode_fini_cpu(cpu); sysfs_remove_group(&sys_dev->kobj, &mc_attr_group); return 0; } @@ -774,13 +766,34 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu) sys_dev = get_cpu_sysdev(cpu); switch (action) { + case CPU_UP_CANCELED_FROZEN: + /* The CPU refused to come up during a system resume */ + microcode_fini_cpu(cpu); + break; case CPU_ONLINE: case CPU_DOWN_FAILED: mc_sysdev_add(sys_dev); break; + case CPU_ONLINE_FROZEN: + /* System-wide resume is in progress, try to apply microcode */ + if (apply_microcode_check_cpu(cpu)) { + /* The application of microcode failed */ + microcode_fini_cpu(cpu); + __mc_sysdev_add(sys_dev, 1); + break; + } + case CPU_DOWN_FAILED_FROZEN: + if (sysfs_create_group(&sys_dev->kobj, &mc_attr_group)) + printk(KERN_ERR "Microcode: Failed to create the sysfs " + "group for CPU%d\n", cpu); + break; case CPU_DOWN_PREPARE: mc_sysdev_remove(sys_dev); break; + case CPU_DOWN_PREPARE_FROZEN: + /* Suspend is in progress, only remove the interface */ + sysfs_remove_group(&sys_dev->kobj, &mc_attr_group); + break; } return NOTIFY_OK; } diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c index 0952eccd8f28..13abb4ebfb79 100644 --- a/arch/i386/kernel/mpparse.c +++ b/arch/i386/kernel/mpparse.c @@ -18,7 +18,6 @@ #include <linux/acpi.h> #include <linux/delay.h> #include <linux/bootmem.h> -#include <linux/smp_lock.h> #include <linux/kernel_stat.h> #include <linux/mc146818rtc.h> #include <linux/bitops.h> diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c index bcaa6e9b6197..0c1069b8d638 100644 --- a/arch/i386/kernel/msr.c +++ b/arch/i386/kernel/msr.c @@ -45,104 +45,6 @@ static struct class *msr_class; -static inline int wrmsr_eio(u32 reg, u32 eax, u32 edx) -{ - int err; - - err = wrmsr_safe(reg, eax, edx); - if (err) - err = -EIO; - return err; -} - -static inline int rdmsr_eio(u32 reg, u32 *eax, u32 *edx) -{ - int err; - - err = rdmsr_safe(reg, eax, edx); - if (err) - err = -EIO; - return err; -} - -#ifdef CONFIG_SMP - -struct msr_command { - int err; - u32 reg; - u32 data[2]; -}; - -static void msr_smp_wrmsr(void *cmd_block) -{ - struct msr_command *cmd = (struct msr_command *)cmd_block; - - cmd->err = wrmsr_eio(cmd->reg, cmd->data[0], cmd->data[1]); -} - -static void msr_smp_rdmsr(void *cmd_block) -{ - struct msr_command *cmd = (struct msr_command *)cmd_block; - - cmd->err = rdmsr_eio(cmd->reg, &cmd->data[0], &cmd->data[1]); -} - -static inline int do_wrmsr(int cpu, u32 reg, u32 eax, u32 edx) -{ - struct msr_command cmd; - int ret; - - preempt_disable(); - if (cpu == smp_processor_id()) { - ret = wrmsr_eio(reg, eax, edx); - } else { - cmd.reg = reg; - cmd.data[0] = eax; - cmd.data[1] = edx; - - smp_call_function_single(cpu, msr_smp_wrmsr, &cmd, 1, 1); - ret = cmd.err; - } - preempt_enable(); - return ret; -} - -static inline int do_rdmsr(int cpu, u32 reg, u32 * eax, u32 * edx) -{ - struct msr_command cmd; - int ret; - - preempt_disable(); - if (cpu == smp_processor_id()) { - ret = rdmsr_eio(reg, eax, edx); - } else { - cmd.reg = reg; - - smp_call_function_single(cpu, msr_smp_rdmsr, &cmd, 1, 1); - - *eax = cmd.data[0]; - *edx = cmd.data[1]; - - ret = cmd.err; - } - preempt_enable(); - return ret; -} - -#else /* ! CONFIG_SMP */ - -static inline int do_wrmsr(int cpu, u32 reg, u32 eax, u32 edx) -{ - return wrmsr_eio(reg, eax, edx); -} - -static inline int do_rdmsr(int cpu, u32 reg, u32 *eax, u32 *edx) -{ - return rdmsr_eio(reg, eax, edx); -} - -#endif /* ! CONFIG_SMP */ - static loff_t msr_seek(struct file *file, loff_t offset, int orig) { loff_t ret = -EINVAL; @@ -174,9 +76,9 @@ static ssize_t msr_read(struct file *file, char __user * buf, return -EINVAL; /* Invalid chunk size */ for (; count; count -= 8) { - err = do_rdmsr(cpu, reg, &data[0], &data[1]); + err = rdmsr_safe_on_cpu(cpu, reg, &data[0], &data[1]); if (err) - return err; + return -EIO; if (copy_to_user(tmp, &data, 8)) return -EFAULT; tmp += 2; @@ -200,9 +102,9 @@ static ssize_t msr_write(struct file *file, const char __user *buf, for (; count; count -= 8) { if (copy_from_user(&data, tmp, 8)) return -EFAULT; - err = do_wrmsr(cpu, reg, data[0], data[1]); + err = wrmsr_safe_on_cpu(cpu, reg, data[0], data[1]); if (err) - return err; + return -EIO; tmp += 2; } @@ -251,9 +153,11 @@ static int msr_class_cpu_callback(struct notifier_block *nfb, switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: msr_device_create(cpu); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu)); break; } diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c index 33cf2f3c444f..fba121f7973f 100644 --- a/arch/i386/kernel/nmi.c +++ b/arch/i386/kernel/nmi.c @@ -23,10 +23,10 @@ #include <linux/kprobes.h> #include <linux/cpumask.h> #include <linux/kernel_stat.h> +#include <linux/kdebug.h> #include <asm/smp.h> #include <asm/nmi.h> -#include <asm/kdebug.h> #include "mach_traps.h" diff --git a/arch/i386/kernel/pci-dma.c b/arch/i386/kernel/pci-dma.c index 3ebcea033623..30b754f7cbec 100644 --- a/arch/i386/kernel/pci-dma.c +++ b/arch/i386/kernel/pci-dma.c @@ -77,7 +77,7 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, { void __iomem *mem_base = NULL; int pages = size >> PAGE_SHIFT; - int bitmap_size = (pages + 31)/32; + int bitmap_size = BITS_TO_LONGS(pages) * sizeof(long); if ((flags & (DMA_MEMORY_MAP | DMA_MEMORY_IO)) == 0) goto out; diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index 61999479b7a4..d76d9bc33b30 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -21,7 +21,6 @@ #include <linux/mm.h> #include <linux/elfcore.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/slab.h> #include <linux/vmalloc.h> diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c index 4a8f8a259723..0c0ceec5de00 100644 --- a/arch/i386/kernel/ptrace.c +++ b/arch/i386/kernel/ptrace.c @@ -9,7 +9,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/i386/kernel/signal.c b/arch/i386/kernel/signal.c index 4f99e870c986..d574e38f0f77 100644 --- a/arch/i386/kernel/signal.c +++ b/arch/i386/kernel/signal.c @@ -10,7 +10,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/i386/kernel/smp.c b/arch/i386/kernel/smp.c index 89a45a9ddcd4..93f202a855fa 100644 --- a/arch/i386/kernel/smp.c +++ b/arch/i386/kernel/smp.c @@ -13,7 +13,6 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/kernel_stat.h> #include <linux/mc146818rtc.h> #include <linux/cache.h> diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index a4b7ad283f49..b92cc4e8b3bb 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -40,7 +40,6 @@ #include <linux/mm.h> #include <linux/sched.h> #include <linux/kernel_stat.h> -#include <linux/smp_lock.h> #include <linux/bootmem.h> #include <linux/notifier.h> #include <linux/cpu.h> diff --git a/arch/i386/kernel/sys_i386.c b/arch/i386/kernel/sys_i386.c index 4048397f1740..e5dcb9379018 100644 --- a/arch/i386/kernel/sys_i386.c +++ b/arch/i386/kernel/sys_i386.c @@ -10,7 +10,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/i386/kernel/syscall_table.S b/arch/i386/kernel/syscall_table.S index 2697e9210e92..0772678ceecf 100644 --- a/arch/i386/kernel/syscall_table.S +++ b/arch/i386/kernel/syscall_table.S @@ -319,3 +319,4 @@ ENTRY(sys_call_table) .long sys_move_pages .long sys_getcpu .long sys_epoll_pwait + .long sys_utimensat /* 320 */ diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index f21b41e7770c..c05e7e861b29 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -52,7 +52,7 @@ #include <asm/unwind.h> #include <asm/smp.h> #include <asm/arch_hooks.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/stacktrace.h> #include <linux/module.h> @@ -95,20 +95,6 @@ asmlinkage void machine_check(void); int kstack_depth_to_print = 24; static unsigned int code_bytes = 64; -ATOMIC_NOTIFIER_HEAD(i386die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - vmalloc_sync_all(); - return atomic_notifier_chain_register(&i386die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); /* used modular by kdb */ - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&i386die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); /* used modular by kdb */ static inline int valid_stack_ptr(struct thread_info *tinfo, void *p) { @@ -319,7 +305,7 @@ void show_registers(struct pt_regs *regs) regs->xds & 0xffff, regs->xes & 0xffff, regs->xfs & 0xffff, gs, ss); printk(KERN_EMERG "Process %.*s (pid: %d, ti=%p task=%p task.ti=%p)", TASK_COMM_LEN, current->comm, current->pid, - current_thread_info(), current, current->thread_info); + current_thread_info(), current, task_thread_info(current)); /* * When in-kernel, we also print out the stack and code at the * time of the fault.. @@ -747,6 +733,11 @@ static __kprobes void default_do_nmi(struct pt_regs * regs) */ if (nmi_watchdog_tick(regs, reason)) return; +#endif + if (notify_die(DIE_NMI_POST, "nmi_post", regs, reason, 2, 0) + == NOTIFY_STOP) + return; +#ifdef CONFIG_X86_LOCAL_APIC if (!do_nmi_callback(regs, smp_processor_id())) #endif unknown_nmi_error(reason, regs); diff --git a/arch/i386/kernel/vm86.c b/arch/i386/kernel/vm86.c index d1b8f2b7aea6..f2dcd1d27c0a 100644 --- a/arch/i386/kernel/vm86.c +++ b/arch/i386/kernel/vm86.c @@ -39,7 +39,6 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/highmem.h> #include <linux/ptrace.h> #include <linux/audit.h> diff --git a/arch/i386/lib/msr-on-cpu.c b/arch/i386/lib/msr-on-cpu.c index 1c46bda409ff..7767962f25d3 100644 --- a/arch/i386/lib/msr-on-cpu.c +++ b/arch/i386/lib/msr-on-cpu.c @@ -6,6 +6,7 @@ struct msr_info { u32 msr_no; u32 l, h; + int err; }; static void __rdmsr_on_cpu(void *info) @@ -15,20 +16,38 @@ static void __rdmsr_on_cpu(void *info) rdmsr(rv->msr_no, rv->l, rv->h); } -void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h) +static void __rdmsr_safe_on_cpu(void *info) { + struct msr_info *rv = info; + + rv->err = rdmsr_safe(rv->msr_no, &rv->l, &rv->h); +} + +static int _rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h, int safe) +{ + int err = 0; preempt_disable(); if (smp_processor_id() == cpu) - rdmsr(msr_no, *l, *h); + if (safe) + err = rdmsr_safe(msr_no, l, h); + else + rdmsr(msr_no, *l, *h); else { struct msr_info rv; rv.msr_no = msr_no; - smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 0, 1); + if (safe) { + smp_call_function_single(cpu, __rdmsr_safe_on_cpu, + &rv, 0, 1); + err = rv.err; + } else { + smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 0, 1); + } *l = rv.l; *h = rv.h; } preempt_enable(); + return err; } static void __wrmsr_on_cpu(void *info) @@ -38,21 +57,63 @@ static void __wrmsr_on_cpu(void *info) wrmsr(rv->msr_no, rv->l, rv->h); } -void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) +static void __wrmsr_safe_on_cpu(void *info) { + struct msr_info *rv = info; + + rv->err = wrmsr_safe(rv->msr_no, rv->l, rv->h); +} + +static int _wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h, int safe) +{ + int err = 0; preempt_disable(); if (smp_processor_id() == cpu) - wrmsr(msr_no, l, h); + if (safe) + err = wrmsr_safe(msr_no, l, h); + else + wrmsr(msr_no, l, h); else { struct msr_info rv; rv.msr_no = msr_no; rv.l = l; rv.h = h; - smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 0, 1); + if (safe) { + smp_call_function_single(cpu, __wrmsr_safe_on_cpu, + &rv, 0, 1); + err = rv.err; + } else { + smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 0, 1); + } } preempt_enable(); + return err; +} + +void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) +{ + _wrmsr_on_cpu(cpu, msr_no, l, h, 0); +} + +void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h) +{ + _rdmsr_on_cpu(cpu, msr_no, l, h, 0); +} + +/* These "safe" variants are slower and should be used when the target MSR + may not actually exist. */ +int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) +{ + return _wrmsr_on_cpu(cpu, msr_no, l, h, 1); +} + +int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h) +{ + return _rdmsr_on_cpu(cpu, msr_no, l, h, 1); } EXPORT_SYMBOL(rdmsr_on_cpu); EXPORT_SYMBOL(wrmsr_on_cpu); +EXPORT_SYMBOL(rdmsr_safe_on_cpu); +EXPORT_SYMBOL(wrmsr_safe_on_cpu); diff --git a/arch/i386/mach-default/setup.c b/arch/i386/mach-default/setup.c index c78816210706..7f635c7a2381 100644 --- a/arch/i386/mach-default/setup.c +++ b/arch/i386/mach-default/setup.c @@ -81,7 +81,7 @@ void __init trap_init_hook(void) static struct irqaction irq0 = { .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_NOBALANCING, + .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL, .mask = CPU_MASK_NONE, .name = "timer" }; diff --git a/arch/i386/mach-generic/probe.c b/arch/i386/mach-generic/probe.c index a7b3999bb37a..74f3da634423 100644 --- a/arch/i386/mach-generic/probe.c +++ b/arch/i386/mach-generic/probe.c @@ -119,9 +119,7 @@ int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id) return 0; } -#ifdef CONFIG_SMP int hard_smp_processor_id(void) { return genapic->get_apic_id(*(unsigned long *)(APIC_BASE+APIC_ID)); } -#endif diff --git a/arch/i386/mach-visws/setup.c b/arch/i386/mach-visws/setup.c index 233ee20907b9..1f81f10e03a0 100644 --- a/arch/i386/mach-visws/setup.c +++ b/arch/i386/mach-visws/setup.c @@ -116,7 +116,7 @@ void __init pre_setup_arch_hook() static struct irqaction irq0 = { .handler = timer_interrupt, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_IRQPOLL, .name = "timer", }; diff --git a/arch/i386/mach-visws/visws_apic.c b/arch/i386/mach-visws/visws_apic.c index 38c2b13124d9..710faf71a650 100644 --- a/arch/i386/mach-visws/visws_apic.c +++ b/arch/i386/mach-visws/visws_apic.c @@ -18,7 +18,6 @@ #include <linux/kernel_stat.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <asm/io.h> diff --git a/arch/i386/mach-voyager/setup.c b/arch/i386/mach-voyager/setup.c index 447bb105cf58..2b55694e6400 100644 --- a/arch/i386/mach-voyager/setup.c +++ b/arch/i386/mach-voyager/setup.c @@ -42,7 +42,7 @@ void __init trap_init_hook(void) static struct irqaction irq0 = { .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_NOBALANCING, + .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL, .mask = CPU_MASK_NONE, .name = "timer" }; diff --git a/arch/i386/mach-voyager/voyager_basic.c b/arch/i386/mach-voyager/voyager_basic.c index 8fe7e4593d5f..9b77b39b71a6 100644 --- a/arch/i386/mach-voyager/voyager_basic.c +++ b/arch/i386/mach-voyager/voyager_basic.c @@ -292,8 +292,8 @@ machine_emergency_restart(void) void mca_nmi_hook(void) { - __u8 dumpval __attribute__((unused)) = inb(0xf823); - __u8 swnmi __attribute__((unused)) = inb(0xf813); + __u8 dumpval __maybe_unused = inb(0xf823); + __u8 swnmi __maybe_unused = inb(0xf813); /* FIXME: assume dump switch pressed */ /* check to see if the dump switch was pressed */ diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c index 1a5e448a29c7..50d9c52070b1 100644 --- a/arch/i386/mach-voyager/voyager_smp.c +++ b/arch/i386/mach-voyager/voyager_smp.c @@ -16,7 +16,6 @@ #include <linux/mc146818rtc.h> #include <linux/cache.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/bootmem.h> diff --git a/arch/i386/mach-voyager/voyager_thread.c b/arch/i386/mach-voyager/voyager_thread.c index fdc1d926fb2a..b4b24e0e45e1 100644 --- a/arch/i386/mach-voyager/voyager_thread.c +++ b/arch/i386/mach-voyager/voyager_thread.c @@ -18,7 +18,6 @@ #include <linux/kernel_stat.h> #include <linux/delay.h> #include <linux/mc146818rtc.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/bootmem.h> #include <linux/kmod.h> diff --git a/arch/i386/mm/fault.c b/arch/i386/mm/fault.c index f534c29e80b2..29d7d61543a1 100644 --- a/arch/i386/mm/fault.c +++ b/arch/i386/mm/fault.c @@ -14,20 +14,20 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/tty.h> #include <linux/vt_kern.h> /* For unblank_screen() */ #include <linux/highmem.h> #include <linux/bootmem.h> /* for max_low_pfn */ +#include <linux/vmalloc.h> #include <linux/module.h> #include <linux/kprobes.h> #include <linux/uaccess.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/desc.h> -#include <asm/kdebug.h> #include <asm/segment.h> extern void die(const char *,struct pt_regs *,long); diff --git a/arch/i386/mm/hugetlbpage.c b/arch/i386/mm/hugetlbpage.c index 6272a4fd9e7c..efdf95ac8031 100644 --- a/arch/i386/mm/hugetlbpage.c +++ b/arch/i386/mm/hugetlbpage.c @@ -9,7 +9,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/err.h> #include <linux/sysctl.h> diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c index 1a7197e89eb4..c50782efa5c3 100644 --- a/arch/i386/mm/init.c +++ b/arch/i386/mm/init.c @@ -751,12 +751,9 @@ void __init pgtable_cache_init(void) pmd_cache = kmem_cache_create("pmd", PTRS_PER_PMD*sizeof(pmd_t), PTRS_PER_PMD*sizeof(pmd_t), - 0, + SLAB_PANIC, pmd_ctor, NULL); - if (!pmd_cache) - panic("pgtable_cache_init(): cannot create pmd cache"); - if (!SHARED_KERNEL_PMD) { /* If we're in PAE mode and have a non-shared kernel pmd, then the pgd size must be a @@ -770,11 +767,9 @@ void __init pgtable_cache_init(void) pgd_cache = kmem_cache_create("pgd", pgd_size, pgd_size, - 0, + SLAB_PANIC, pgd_ctor, (!SHARED_KERNEL_PMD) ? pgd_dtor : NULL); - if (!pgd_cache) - panic("pgtable_cache_init(): Cannot create pgd cache"); } /* diff --git a/arch/i386/oprofile/nmi_int.c b/arch/i386/oprofile/nmi_int.c index 695f737516ae..8e185208dfd4 100644 --- a/arch/i386/oprofile/nmi_int.c +++ b/arch/i386/oprofile/nmi_int.c @@ -14,10 +14,10 @@ #include <linux/sysdev.h> #include <linux/slab.h> #include <linux/moduleparam.h> +#include <linux/kdebug.h> #include <asm/nmi.h> #include <asm/msr.h> #include <asm/apic.h> -#include <asm/kdebug.h> #include "op_counter.h" #include "op_x86_model.h" diff --git a/arch/i386/oprofile/nmi_timer_int.c b/arch/i386/oprofile/nmi_timer_int.c index abf0ba52a635..1418e36ae7ab 100644 --- a/arch/i386/oprofile/nmi_timer_int.c +++ b/arch/i386/oprofile/nmi_timer_int.c @@ -12,12 +12,11 @@ #include <linux/errno.h> #include <linux/oprofile.h> #include <linux/rcupdate.h> - +#include <linux/kdebug.h> #include <asm/nmi.h> #include <asm/apic.h> #include <asm/ptrace.h> -#include <asm/kdebug.h> static int profile_timer_exceptions_notify(struct notifier_block *self, unsigned long val, void *data) diff --git a/arch/i386/pci/init.c b/arch/i386/pci/init.c index 1cf11af96de2..3de9f9ba2da6 100644 --- a/arch/i386/pci/init.c +++ b/arch/i386/pci/init.c @@ -6,7 +6,7 @@ in the right sequence from here. */ static __init int pci_access_init(void) { - int type __attribute__((unused)) = 0; + int type __maybe_unused = 0; #ifdef CONFIG_PCI_DIRECT type = pci_direct_probe(); diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index e23af4b6ae8c..6e41471449c0 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -468,7 +468,7 @@ config KEXEC help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot - but it is indepedent of the system firmware. And like a reboot + but it is independent of the system firmware. And like a reboot you can start any kernel with it, not just Linux. The name comes from the similiarity to the exec system call. diff --git a/arch/ia64/hp/sim/boot/fw-emu.c b/arch/ia64/hp/sim/boot/fw-emu.c index 5a0a7afcfc3a..300acd913d9c 100644 --- a/arch/ia64/hp/sim/boot/fw-emu.c +++ b/arch/ia64/hp/sim/boot/fw-emu.c @@ -287,7 +287,7 @@ sys_fw_init (const char *args, int arglen) memset(efi_systab, 0, sizeof(efi_systab)); efi_systab->hdr.signature = EFI_SYSTEM_TABLE_SIGNATURE; - efi_systab->hdr.revision = EFI_SYSTEM_TABLE_REVISION; + efi_systab->hdr.revision = ((1 << 16) | 00); efi_systab->hdr.headersize = sizeof(efi_systab->hdr); efi_systab->fw_vendor = __pa("H\0e\0w\0l\0e\0t\0t\0-\0P\0a\0c\0k\0a\0r\0d\0\0"); efi_systab->fw_revision = 1; diff --git a/arch/ia64/ia32/ia32_ldt.c b/arch/ia64/ia32/ia32_ldt.c index a152738c7d0d..16d51c146849 100644 --- a/arch/ia64/ia32/ia32_ldt.c +++ b/arch/ia64/ia32/ia32_ldt.c @@ -10,7 +10,6 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <asm/uaccess.h> diff --git a/arch/ia64/ia32/ia32_signal.c b/arch/ia64/ia32/ia32_signal.c index b2bb7f227920..85e82f32e480 100644 --- a/arch/ia64/ia32/ia32_signal.c +++ b/arch/ia64/ia32/ia32_signal.c @@ -18,7 +18,6 @@ #include <linux/sched.h> #include <linux/signal.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/syscalls.h> #include <linux/unistd.h> diff --git a/arch/ia64/ia32/ia32_support.c b/arch/ia64/ia32/ia32_support.c index 6af400a12ca1..beea7a0b9dc6 100644 --- a/arch/ia64/ia32/ia32_support.c +++ b/arch/ia64/ia32/ia32_support.c @@ -252,10 +252,8 @@ ia32_init (void) extern struct kmem_cache *partial_page_cachep; partial_page_cachep = kmem_cache_create("partial_page_cache", - sizeof(struct partial_page), 0, 0, - NULL, NULL); - if (!partial_page_cachep) - panic("Cannot create partial page SLAB cache"); + sizeof(struct partial_page), + 0, SLAB_PANIC, NULL, NULL); } #endif return 0; diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c index 80a94e707827..aeb79fb28f0b 100644 --- a/arch/ia64/kernel/crash.c +++ b/arch/ia64/kernel/crash.c @@ -16,8 +16,8 @@ #include <linux/elfcore.h> #include <linux/sysctl.h> #include <linux/init.h> +#include <linux/kdebug.h> -#include <asm/kdebug.h> #include <asm/mca.h> int kdump_status[NR_CPUS]; @@ -74,7 +74,7 @@ crash_save_this_cpu(void) buf = (u64 *) per_cpu_ptr(crash_notes, cpu); if (!buf) return; - buf = append_elf_note(buf, "CORE", NT_PRSTATUS, prstatus, + buf = append_elf_note(buf, KEXEC_CORE_NOTE_NAME, NT_PRSTATUS, prstatus, sizeof(*prstatus)); final_note(buf); } diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 78d29b79947d..75ec3478d8a2 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -445,11 +445,11 @@ efi_init (void) panic("Woah! Can't find EFI system table.\n"); if (efi.systab->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) panic("Woah! EFI system table signature incorrect\n"); - if ((efi.systab->hdr.revision ^ EFI_SYSTEM_TABLE_REVISION) >> 16 != 0) - printk(KERN_WARNING "Warning: EFI system table major version mismatch: " - "got %d.%02d, expected %d.%02d\n", - efi.systab->hdr.revision >> 16, efi.systab->hdr.revision & 0xffff, - EFI_SYSTEM_TABLE_REVISION >> 16, EFI_SYSTEM_TABLE_REVISION & 0xffff); + if ((efi.systab->hdr.revision >> 16) == 0) + printk(KERN_WARNING "Warning: EFI system table version " + "%d.%02d, expected 1.00 or greater\n", + efi.systab->hdr.revision >> 16, + efi.systab->hdr.revision & 0xffff); config_tables = __va(efi.systab->tables); diff --git a/arch/ia64/kernel/err_inject.c b/arch/ia64/kernel/err_inject.c index d3e9f33e8bdd..6a49600cf337 100644 --- a/arch/ia64/kernel/err_inject.c +++ b/arch/ia64/kernel/err_inject.c @@ -236,9 +236,11 @@ static int __cpuinit err_inject_cpu_callback(struct notifier_block *nfb, sys_dev = get_cpu_sysdev(cpu); switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: err_inject_add_dev(sys_dev); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: err_inject_remove_dev(sys_dev); break; } diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index e87dd93d4db7..37f46527d233 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -87,7 +87,6 @@ #include <linux/list.h> #include <linux/pci.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/bootmem.h> diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index 9a5f41be760b..dce5341303de 100644 --- a/arch/ia64/kernel/irq_ia64.c +++ b/arch/ia64/kernel/irq_ia64.c @@ -27,7 +27,6 @@ #include <linux/random.h> /* for rand_initialize_irq() */ #include <linux/signal.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/threads.h> #include <linux/bitops.h> #include <linux/irq.h> diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 6cb56dd4056d..4f5fd0960ba7 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -29,9 +29,9 @@ #include <linux/slab.h> #include <linux/preempt.h> #include <linux/moduleloader.h> +#include <linux/kdebug.h> #include <asm/pgtable.h> -#include <asm/kdebug.h> #include <asm/sections.h> #include <asm/uaccess.h> @@ -444,7 +444,8 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) break; } - BUG_ON(!orig_ret_address || (orig_ret_address == trampoline_address)); + kretprobe_assert(ri, orig_ret_address, trampoline_address); + regs->cr_iip = orig_ret_address; reset_current_kprobe(); @@ -464,23 +465,13 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) } /* Called with kretprobe_lock held */ -void __kprobes arch_prepare_kretprobe(struct kretprobe *rp, +void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) { - struct kretprobe_instance *ri; - - if ((ri = get_free_rp_inst(rp)) != NULL) { - ri->rp = rp; - ri->task = current; - ri->ret_addr = (kprobe_opcode_t *)regs->b0; - - /* Replace the return addr with trampoline addr */ - regs->b0 = ((struct fnptr *)kretprobe_trampoline)->ip; + ri->ret_addr = (kprobe_opcode_t *)regs->b0; - add_rp_inst(ri); - } else { - rp->nmissed++; - } + /* Replace the return addr with trampoline addr */ + regs->b0 = ((struct fnptr *)kretprobe_trampoline)->ip; } int __kprobes arch_prepare_kprobe(struct kprobe *p) @@ -1021,3 +1012,12 @@ int __init arch_init_kprobes(void) (kprobe_opcode_t *)((struct fnptr *)kretprobe_trampoline)->ip; return register_kprobe(&trampoline_p); } + +int __kprobes arch_trampoline_kprobe(struct kprobe *p) +{ + if (p->addr == + (kprobe_opcode_t *)((struct fnptr *)kretprobe_trampoline)->ip) + return 1; + + return 0; +} diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index 491687f84fb5..f8ae709de0b5 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -63,7 +63,6 @@ #include <linux/sched.h> #include <linux/interrupt.h> #include <linux/irq.h> -#include <linux/smp_lock.h> #include <linux/bootmem.h> #include <linux/acpi.h> #include <linux/timer.h> @@ -72,9 +71,9 @@ #include <linux/smp.h> #include <linux/workqueue.h> #include <linux/cpumask.h> +#include <linux/kdebug.h> #include <asm/delay.h> -#include <asm/kdebug.h> #include <asm/machvec.h> #include <asm/meminit.h> #include <asm/page.h> @@ -1690,7 +1689,7 @@ format_mca_init_stack(void *mca_data, unsigned long offset, ti->preempt_count = 1; ti->task = p; ti->cpu = cpu; - p->thread_info = ti; + p->stack = ti; p->state = TASK_UNINTERRUPTIBLE; cpu_set(cpu, p->cpus_allowed); INIT_LIST_HEAD(&p->tasks); diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c index 832cf1e647e8..70b8bdbb7e6f 100644 --- a/arch/ia64/kernel/mca_drv.c +++ b/arch/ia64/kernel/mca_drv.c @@ -14,7 +14,6 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/kallsyms.h> -#include <linux/smp_lock.h> #include <linux/bootmem.h> #include <linux/acpi.h> #include <linux/timer.h> diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c index a71df9ae0397..85829e27785c 100644 --- a/arch/ia64/kernel/palinfo.c +++ b/arch/ia64/kernel/palinfo.c @@ -975,9 +975,11 @@ static int palinfo_cpu_callback(struct notifier_block *nfb, switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: create_palinfo_proc_entries(hotcpu); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: remove_palinfo_proc_entries(hotcpu); break; } diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index abc7ad035886..e7191ca30b16 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -23,7 +23,6 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/init.h> diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index d7b7d3da1ebb..d1c3ed9943e5 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -20,20 +20,19 @@ #include <linux/personality.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/thread_info.h> #include <linux/unistd.h> #include <linux/efi.h> #include <linux/interrupt.h> #include <linux/delay.h> +#include <linux/kdebug.h> #include <asm/cpu.h> #include <asm/delay.h> #include <asm/elf.h> #include <asm/ia32.h> #include <asm/irq.h> -#include <asm/kdebug.h> #include <asm/kexec.h> #include <asm/pgalloc.h> #include <asm/processor.h> diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c index af9f8754d847..89f6b138a62c 100644 --- a/arch/ia64/kernel/salinfo.c +++ b/arch/ia64/kernel/salinfo.c @@ -42,7 +42,6 @@ #include <linux/proc_fs.h> #include <linux/module.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/timer.h> #include <linux/vmalloc.h> @@ -583,6 +582,7 @@ salinfo_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu struct salinfo_data *data; switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: spin_lock_irqsave(&data_saved_lock, flags); for (i = 0, data = salinfo_data; i < ARRAY_SIZE(salinfo_data); @@ -593,6 +593,7 @@ salinfo_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu spin_unlock_irqrestore(&data_saved_lock, flags); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: spin_lock_irqsave(&data_saved_lock, flags); for (i = 0, data = salinfo_data; i < ARRAY_SIZE(salinfo_data); diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c index 034b81d62bb1..aeec8184e862 100644 --- a/arch/ia64/kernel/signal.c +++ b/arch/ia64/kernel/signal.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/signal.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/tty.h> #include <linux/binfmts.h> diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index ff7df439da6d..a44792d0f3a9 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -35,7 +35,6 @@ #include <linux/mm.h> #include <linux/notifier.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/efi.h> #include <linux/percpu.h> diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c index 2fcaa2051aa3..1eda194b9559 100644 --- a/arch/ia64/kernel/sys_ia64.c +++ b/arch/ia64/kernel/sys_ia64.c @@ -13,7 +13,6 @@ #include <linux/shm.h> #include <linux/file.h> /* doh, must come after sched.h... */ #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/highuid.h> #include <linux/hugetlb.h> diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 39e0cd3a0884..a06667c7acc0 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -235,7 +235,7 @@ ia64_init_itm (void) static struct irqaction timer_irqaction = { .handler = timer_interrupt, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_IRQPOLL, .name = "timer" }; diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c index 687500ddb4b8..94ae3c87d828 100644 --- a/arch/ia64/kernel/topology.c +++ b/arch/ia64/kernel/topology.c @@ -412,9 +412,11 @@ static int __cpuinit cache_cpu_callback(struct notifier_block *nfb, sys_dev = get_cpu_sysdev(cpu); switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: cache_add_dev(sys_dev); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: cache_remove_dev(sys_dev); break; } diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c index cd5189f99629..b8e0d70bf989 100644 --- a/arch/ia64/kernel/traps.c +++ b/arch/ia64/kernel/traps.c @@ -16,33 +16,17 @@ #include <linux/hardirq.h> #include <linux/kprobes.h> #include <linux/delay.h> /* for ssleep() */ +#include <linux/kdebug.h> #include <asm/fpswa.h> #include <asm/ia32.h> #include <asm/intrinsics.h> #include <asm/processor.h> #include <asm/uaccess.h> -#include <asm/kdebug.h> fpswa_interface_t *fpswa_interface; EXPORT_SYMBOL(fpswa_interface); -ATOMIC_NOTIFIER_HEAD(ia64die_chain); - -int -register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&ia64die_chain, nb); -} -EXPORT_SYMBOL_GPL(register_die_notifier); - -int -unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&ia64die_chain, nb); -} -EXPORT_SYMBOL_GPL(unregister_die_notifier); - void __init trap_init (void) { diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c index 1e357550c776..fe6aa5a9f8fa 100644 --- a/arch/ia64/kernel/unaligned.c +++ b/arch/ia64/kernel/unaligned.c @@ -15,7 +15,6 @@ */ #include <linux/kernel.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/tty.h> #include <asm/intrinsics.h> diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 872da7a2accd..94844442812a 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -693,6 +693,7 @@ void __init paging_init(void) zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page)); } +#ifdef CONFIG_MEMORY_HOTPLUG pg_data_t *arch_alloc_nodedata(int nid) { unsigned long size = compute_pernodesize(nid); @@ -710,3 +711,4 @@ void arch_refresh_nodedata(int update_node, pg_data_t *update_pgdat) pgdat_list[update_node] = update_pgdat; scatter_node_data(); } +#endif diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c index 59f3ab937615..21658e02116c 100644 --- a/arch/ia64/mm/fault.c +++ b/arch/ia64/mm/fault.c @@ -7,15 +7,14 @@ #include <linux/sched.h> #include <linux/kernel.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kprobes.h> +#include <linux/kdebug.h> #include <asm/pgtable.h> #include <asm/processor.h> #include <asm/system.h> #include <asm/uaccess.h> -#include <asm/kdebug.h> extern void die (char *, struct pt_regs *, long); diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c index c7c90f4f4298..1346b7f05397 100644 --- a/arch/ia64/mm/hugetlbpage.c +++ b/arch/ia64/mm/hugetlbpage.c @@ -13,7 +13,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/sysctl.h> #include <asm/mman.h> diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 9f635896d252..3549f3b42592 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -18,7 +18,6 @@ #include <linux/init.h> #include <linux/ioport.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <asm/machvec.h> diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c index 68355ef6f841..e336e1692a73 100644 --- a/arch/ia64/sn/kernel/xpc_main.c +++ b/arch/ia64/sn/kernel/xpc_main.c @@ -55,9 +55,9 @@ #include <linux/delay.h> #include <linux/reboot.h> #include <linux/completion.h> +#include <linux/kdebug.h> #include <asm/sn/intr.h> #include <asm/sn/sn_sal.h> -#include <asm/kdebug.h> #include <asm/uaccess.h> #include <asm/sn/xpc.h> @@ -1332,7 +1332,7 @@ xpc_init(void) dev_warn(xpc_part, "can't register reboot notifier\n"); } - /* add ourselves to the die_notifier list (i.e., ia64die_chain) */ + /* add ourselves to the die_notifier list */ ret = register_die_notifier(&xpc_die_notifier); if (ret != 0) { dev_warn(xpc_part, "can't register die notifier\n"); diff --git a/arch/m32r/kernel/m32r_ksyms.c b/arch/m32r/kernel/m32r_ksyms.c index 8cbbb0b11e0c..41a4c95e06d6 100644 --- a/arch/m32r/kernel/m32r_ksyms.c +++ b/arch/m32r/kernel/m32r_ksyms.c @@ -5,7 +5,6 @@ #include <linux/sched.h> #include <linux/in6.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/string.h> #include <asm/semaphore.h> diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index 4b156054baa6..916faf6070af 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -13,7 +13,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c index 48d376f47e1a..3eb305953497 100644 --- a/arch/m32r/kernel/smpboot.c +++ b/arch/m32r/kernel/smpboot.c @@ -43,7 +43,6 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/irq.h> #include <linux/bootmem.h> #include <linux/delay.h> diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c index b4e7bcb43540..bda85548de6c 100644 --- a/arch/m32r/kernel/sys_m32r.c +++ b/arch/m32r/kernel/sys_m32r.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/m32r/mm/fault-nommu.c b/arch/m32r/mm/fault-nommu.c index 9880abac3f54..88469178ea6b 100644 --- a/arch/m32r/mm/fault-nommu.c +++ b/arch/m32r/mm/fault-nommu.c @@ -17,7 +17,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/vt_kern.h> /* For unblank_screen() */ diff --git a/arch/m32r/mm/fault.c b/arch/m32r/mm/fault.c index 037d58e82fb5..f3935ba24946 100644 --- a/arch/m32r/mm/fault.c +++ b/arch/m32r/mm/fault.c @@ -18,7 +18,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/tty.h> diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c index 7fd2720c3841..cdba9fd6d82f 100644 --- a/arch/m68k/kernel/ptrace.c +++ b/arch/m68k/kernel/ptrace.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c index 272d47eac58d..e341387787ab 100644 --- a/arch/m68k/mvme16x/rtc.c +++ b/arch/m68k/mvme16x/rtc.c @@ -16,7 +16,6 @@ #include <linux/init.h> #include <linux/poll.h> #include <linux/mc146818rtc.h> /* For struct rtc_time and ioctls, etc */ -#include <linux/smp_lock.h> #include <linux/bcd.h> #include <asm/mvme16xhw.h> diff --git a/arch/m68knommu/Kconfig.debug b/arch/m68knommu/Kconfig.debug index 763c9aa0b4fd..9ff47bd09aee 100644 --- a/arch/m68knommu/Kconfig.debug +++ b/arch/m68knommu/Kconfig.debug @@ -5,7 +5,7 @@ source "lib/Kconfig.debug" config FULLDEBUG bool "Full Symbolic/Source Debugging support" help - Enable debuging symbols on kernel build. + Enable debugging symbols on kernel build. config HIGHPROFILE bool "Use fast second timer for profiling" diff --git a/arch/m68knommu/kernel/asm-offsets.c b/arch/m68knommu/kernel/asm-offsets.c index b988c7bdc6e4..7cd183d346ef 100644 --- a/arch/m68knommu/kernel/asm-offsets.c +++ b/arch/m68knommu/kernel/asm-offsets.c @@ -31,7 +31,7 @@ int main(void) DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace)); DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked)); DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); - DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, thread_info)); + DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack)); DEFINE(TASK_MM, offsetof(struct task_struct, mm)); DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); diff --git a/arch/m68knommu/kernel/ptrace.c b/arch/m68knommu/kernel/ptrace.c index 72d349623575..f54b6a3dfecb 100644 --- a/arch/m68knommu/kernel/ptrace.c +++ b/arch/m68knommu/kernel/ptrace.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/m68knommu/kernel/sys_m68k.c b/arch/m68knommu/kernel/sys_m68k.c index 3265b2d734db..48e6b33e8b44 100644 --- a/arch/m68knommu/kernel/sys_m68k.c +++ b/arch/m68knommu/kernel/sys_m68k.c @@ -10,7 +10,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 7441a2cf523e..16ecea3c0813 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -784,7 +784,6 @@ config TOSHIBA_RBTX4927 select HAS_TXX9_SERIAL select HW_HAS_PCI select I8259 - select ISA select SWAP_IO_SPACE select SYS_HAS_CPU_TX49XX select SYS_SUPPORTS_32BIT_KERNEL @@ -806,7 +805,6 @@ config TOSHIBA_RBTX4938 select HAS_TXX9_SERIAL select HW_HAS_PCI select I8259 - select ISA select SWAP_IO_SPACE select SYS_HAS_CPU_TX49XX select SYS_SUPPORTS_32BIT_KERNEL @@ -958,7 +956,7 @@ choice byte order. These modes require different kernels and a different Linux distribution. In general there is one preferred byteorder for a particular system but some systems are just as commonly used in the - one or the other endianess. + one or the other endianness. config CPU_BIG_ENDIAN bool "Big endian" @@ -1752,7 +1750,7 @@ config ARCH_DISCONTIGMEM_ENABLE bool default y if SGI_IP27 help - Say Y to upport efficient handling of discontiguous physical memory, + Say Y to support efficient handling of discontiguous physical memory, for architectures which are either NUMA (Non-Uniform Memory Access) or have huge holes in the physical address space for other reasons. See <file:Documentation/vm/numa> for more. @@ -1940,7 +1938,7 @@ config KEXEC help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot - but it is indepedent of the system firmware. And like a reboot + but it is independent of the system firmware. And like a reboot you can start any kernel with it, not just Linux. The name comes from the similiarity to the exec system call. diff --git a/arch/mips/Makefile b/arch/mips/Makefile index f2f742df32c7..4892db88a86a 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -92,7 +92,7 @@ cflags-y += -ffreestanding # when fed the toolchain default! # # Certain gcc versions upto gcc 4.1.1 (probably 4.2-subversion as of -# 2006-10-10 don't properly change the the predefined symbols if -EB / -EL +# 2006-10-10 don't properly change the predefined symbols if -EB / -EL # are used, so we kludge that here. A bug has been filed at # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413. # diff --git a/arch/mips/configs/rbhma4500_defconfig b/arch/mips/configs/rbhma4500_defconfig index 29e0df9f4be0..7d0f2174614e 100644 --- a/arch/mips/configs/rbhma4500_defconfig +++ b/arch/mips/configs/rbhma4500_defconfig @@ -245,7 +245,6 @@ CONFIG_DEFAULT_IOSCHED="anticipatory" # CONFIG_HW_HAS_PCI=y CONFIG_PCI=y -CONFIG_ISA=y CONFIG_MMU=y # @@ -573,7 +572,6 @@ CONFIG_MTD_CFI_UTIL=y # # Plug and Play support # -# CONFIG_PNP is not set # CONFIG_PNPACPI is not set # @@ -658,7 +656,6 @@ CONFIG_BLK_DEV_IT8213=m # CONFIG_BLK_DEV_VIA82CXXX is not set CONFIG_BLK_DEV_TC86C001=m # CONFIG_IDE_ARM is not set -# CONFIG_IDE_CHIPSETS is not set CONFIG_BLK_DEV_IDEDMA=y # CONFIG_IDEDMA_IVB is not set # CONFIG_IDEDMA_AUTO is not set @@ -677,11 +674,6 @@ CONFIG_RAID_ATTRS=m # CONFIG_ATA is not set # -# Old CD-ROM drivers (not SCSI, not IDE) -# -# CONFIG_CD_NO_IDESCSI is not set - -# # Multi-device support (RAID and LVM) # # CONFIG_MD is not set @@ -742,37 +734,20 @@ CONFIG_NET_ETHERNET=y # CONFIG_SUNGEM is not set # CONFIG_CASSINI is not set # CONFIG_NET_VENDOR_3COM is not set -# CONFIG_NET_VENDOR_SMC is not set # CONFIG_DM9000 is not set -# CONFIG_NET_VENDOR_RACAL is not set # # Tulip family network device support # # CONFIG_NET_TULIP is not set -# CONFIG_AT1700 is not set -# CONFIG_DEPCA is not set # CONFIG_HP100 is not set -CONFIG_NET_ISA=y -# CONFIG_E2100 is not set -# CONFIG_EWRK3 is not set -# CONFIG_EEXPRESS is not set -# CONFIG_EEXPRESS_PRO is not set -# CONFIG_HPLAN_PLUS is not set -# CONFIG_HPLAN is not set -# CONFIG_LP486E is not set -# CONFIG_ETH16I is not set CONFIG_NE2000=y -# CONFIG_SEEQ8005 is not set CONFIG_NET_PCI=y # CONFIG_PCNET32 is not set # CONFIG_AMD8111_ETH is not set # CONFIG_ADAPTEC_STARFIRE is not set -# CONFIG_AC3200 is not set -# CONFIG_APRICOT is not set # CONFIG_B44 is not set # CONFIG_FORCEDETH is not set -# CONFIG_CS89x0 is not set # CONFIG_DGRS is not set # CONFIG_EEPRO100 is not set # CONFIG_E100 is not set @@ -833,8 +808,6 @@ CONFIG_NET_RADIO=y # Obsolete Wireless cards support (pre-802.11) # # CONFIG_STRIP is not set -# CONFIG_ARLAN is not set -# CONFIG_WAVELAN is not set # # Wireless 802.11b ISA/PCI cards support @@ -920,9 +893,6 @@ CONFIG_KEYBOARD_ATKBD=y CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=y # CONFIG_MOUSE_SERIAL is not set -# CONFIG_MOUSE_INPORT is not set -# CONFIG_MOUSE_LOGIBM is not set -# CONFIG_MOUSE_PC110PAD is not set # CONFIG_MOUSE_VSXXXAA is not set # CONFIG_INPUT_JOYSTICK is not set # CONFIG_INPUT_TOUCHSCREEN is not set @@ -1072,7 +1042,6 @@ CONFIG_FB_ATY_CT=y # CONFIG_VGA_CONSOLE=y # CONFIG_VGACON_SOFT_SCROLLBACK is not set -# CONFIG_MDA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y # CONFIG_FRAMEBUFFER_CONSOLE is not set diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index 761a779d5c4f..3b27309d54b1 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -82,7 +82,7 @@ void output_task_defines(void) { text("/* MIPS task_struct offsets. */"); offset("#define TASK_STATE ", struct task_struct, state); - offset("#define TASK_THREAD_INFO ", struct task_struct, thread_info); + offset("#define TASK_THREAD_INFO ", struct task_struct, stack); offset("#define TASK_FLAGS ", struct task_struct, flags); offset("#define TASK_MM ", struct task_struct, mm); offset("#define TASK_PID ", struct task_struct, pid); diff --git a/arch/mips/kernel/early_printk.c b/arch/mips/kernel/early_printk.c index 304efdc5682f..4fa54b230c09 100644 --- a/arch/mips/kernel/early_printk.c +++ b/arch/mips/kernel/early_printk.c @@ -33,8 +33,3 @@ void __init setup_early_printk(void) { register_console(&early_console); } - -void __init disable_early_printk(void) -{ - unregister_console(&early_console); -} diff --git a/arch/mips/kernel/irixelf.c b/arch/mips/kernel/irixelf.c index 3cc25c05d367..403d96f99e77 100644 --- a/arch/mips/kernel/irixelf.c +++ b/arch/mips/kernel/irixelf.c @@ -31,7 +31,6 @@ #include <linux/shm.h> #include <linux/personality.h> #include <linux/elfcore.h> -#include <linux/smp_lock.h> #include <asm/mipsregs.h> #include <asm/namei.h> diff --git a/arch/mips/kernel/irixioctl.c b/arch/mips/kernel/irixioctl.c index e2863821a3dd..30f9eb09db3f 100644 --- a/arch/mips/kernel/irixioctl.c +++ b/arch/mips/kernel/irixioctl.c @@ -9,7 +9,6 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sockios.h> #include <linux/syscalls.h> #include <linux/tty.h> diff --git a/arch/mips/kernel/irixsig.c b/arch/mips/kernel/irixsig.c index 2132485caa74..6980deb6dced 100644 --- a/arch/mips/kernel/irixsig.c +++ b/arch/mips/kernel/irixsig.c @@ -10,7 +10,6 @@ #include <linux/mm.h> #include <linux/errno.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/time.h> #include <linux/ptrace.h> #include <linux/resource.h> diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 201ae194d1b8..b5a7b46bbc49 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -22,7 +22,6 @@ #include <linux/ptrace.h> #include <linux/audit.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/user.h> #include <linux/security.h> #include <linux/signal.h> diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 07d67309451a..2a08ce41bf2b 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -12,7 +12,6 @@ #include <linux/mm.h> #include <linux/personality.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index b9a014411f83..003f8152b9ed 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -12,7 +12,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/syscalls.h> diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c index a9202fa95987..4cf9ff24d1f7 100644 --- a/arch/mips/kernel/signal_n32.c +++ b/arch/mips/kernel/signal_n32.c @@ -19,7 +19,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 5dcfab6b288e..b361edb83dc6 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -560,7 +560,7 @@ void smtc_boot_secondary(int cpu, struct task_struct *idle) write_tc_gpr_sp(__KSTK_TOS(idle)); /* global pointer */ - write_tc_gpr_gp((unsigned long)idle->thread_info); + write_tc_gpr_gp((unsigned long)task_thread_info(idle)); smtc_status |= SMTC_MTC_ACTIVE; write_tc_c0_tchalt(0); diff --git a/arch/mips/kernel/stacktrace.c b/arch/mips/kernel/stacktrace.c index a586aba337a7..ebd9db8d1ece 100644 --- a/arch/mips/kernel/stacktrace.c +++ b/arch/mips/kernel/stacktrace.c @@ -31,8 +31,7 @@ static void save_raw_context_stack(struct stack_trace *trace, } } -static void save_context_stack(struct stack_trace *trace, - struct task_struct *task, struct pt_regs *regs) +static void save_context_stack(struct stack_trace *trace, struct pt_regs *regs) { unsigned long sp = regs->regs[29]; #ifdef CONFIG_KALLSYMS @@ -41,7 +40,7 @@ static void save_context_stack(struct stack_trace *trace, if (raw_show_trace || !__kernel_text_address(pc)) { unsigned long stack_page = - (unsigned long)task_stack_page(task); + (unsigned long)task_stack_page(current); if (stack_page && sp >= stack_page && sp <= stack_page + THREAD_SIZE - 32) save_raw_context_stack(trace, sp); @@ -54,7 +53,7 @@ static void save_context_stack(struct stack_trace *trace, trace->entries[trace->nr_entries++] = pc; if (trace->nr_entries >= trace->max_entries) break; - pc = unwind_stack(task, &sp, pc, &ra); + pc = unwind_stack(current, &sp, pc, &ra); } while (pc); #else save_raw_context_stack(trace, sp); @@ -64,22 +63,13 @@ static void save_context_stack(struct stack_trace *trace, /* * Save stack-backtrace addresses into a stack_trace buffer. */ -void save_stack_trace(struct stack_trace *trace, struct task_struct *task) +void save_stack_trace(struct stack_trace *trace) { struct pt_regs dummyregs; struct pt_regs *regs = &dummyregs; WARN_ON(trace->nr_entries || !trace->max_entries); - if (task && task != current) { - regs->regs[29] = task->thread.reg29; - regs->regs[31] = 0; - regs->cp0_epc = task->thread.reg31; - } else { - if (!task) - task = current; - prepare_frametrace(regs); - } - - save_context_stack(trace, task, regs); + prepare_frametrace(regs); + save_context_stack(trace, regs); } diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 26e1a7e78d13..9dd5a2df8eac 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -13,7 +13,6 @@ #include <linux/linkage.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/mman.h> #include <linux/ptrace.h> #include <linux/sched.h> diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 493cb29b8a42..ff45a4b8fbaa 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -16,7 +16,6 @@ #include <linux/module.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/kallsyms.h> #include <linux/bootmem.h> diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c index 24b7b053cfe9..a7d49ae805b4 100644 --- a/arch/mips/kernel/unaligned.c +++ b/arch/mips/kernel/unaligned.c @@ -76,7 +76,6 @@ #include <linux/module.h> #include <linux/signal.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <asm/asm.h> #include <asm/branch.h> diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c index 8079f3d1eca0..ea6ba7248489 100644 --- a/arch/mips/math-emu/dsemul.c +++ b/arch/mips/math-emu/dsemul.c @@ -2,7 +2,6 @@ #include <linux/mm.h> #include <linux/signal.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <asm/asm.h> #include <asm/bootinfo.h> diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index f9c595dceba9..7ebea331edb8 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -16,7 +16,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/vt_kern.h> /* For unblank_screen() */ #include <linux/module.h> diff --git a/arch/mips/pci/fixup-sb1250.c b/arch/mips/pci/fixup-sb1250.c index 7a7444874e80..0ad39e53f7b1 100644 --- a/arch/mips/pci/fixup-sb1250.c +++ b/arch/mips/pci/fixup-sb1250.c @@ -14,7 +14,7 @@ #include <linux/pci.h> /* - * Set the the BCM1250, etc. PCI host bridge's TRDY timeout + * Set the BCM1250, etc. PCI host bridge's TRDY timeout * to the finite max. */ static void __init quirk_sb1250_pci(struct pci_dev *dev) @@ -35,7 +35,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_HT, quirk_sb1250_ht); /* - * Set the the SP1011 HT/PCI bridge's TRDY timeout to the finite max. + * Set the SP1011 HT/PCI bridge's TRDY timeout to the finite max. */ static void __init quirk_sp1011(struct pci_dev *dev) { diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c index 60ade7690e09..ba8e0794630c 100644 --- a/arch/mips/sgi-ip27/ip27-irq.c +++ b/arch/mips/sgi-ip27/ip27-irq.c @@ -19,7 +19,6 @@ #include <linux/timex.h> #include <linux/slab.h> #include <linux/random.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/kernel_stat.h> #include <linux/delay.h> diff --git a/arch/mips/sni/irq.c b/arch/mips/sni/irq.c index ad5fc471a004..9ccffdfb8289 100644 --- a/arch/mips/sni/irq.c +++ b/arch/mips/sni/irq.c @@ -42,7 +42,7 @@ static irqreturn_t sni_isa_irq_handler(int dummy, void *p) struct irqaction sni_isa_irq = { .handler = sni_isa_irq_handler, .name = "ISA", - .flags = SA_SHIRQ + .flags = IRQF_SHARED }; /* diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c index 0f7576dfd141..a0c11efeaeeb 100644 --- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c +++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c @@ -1049,3 +1049,22 @@ static int __init toshiba_rbtx4927_rtc_init(void) return IS_ERR(dev) ? PTR_ERR(dev) : 0; } device_initcall(toshiba_rbtx4927_rtc_init); + +static int __init rbtx4927_ne_init(void) +{ + static struct resource __initdata res[] = { + { + .start = RBTX4927_RTL_8019_BASE, + .end = RBTX4927_RTL_8019_BASE + 0x20 - 1, + .flags = IORESOURCE_IO, + }, { + .start = RBTX4927_RTL_8019_IRQ, + .flags = IORESOURCE_IRQ, + } + }; + struct platform_device *dev = + platform_device_register_simple("ne", -1, + res, ARRAY_SIZE(res)); + return IS_ERR(dev) ? PTR_ERR(dev) : 0; +} +device_initcall(rbtx4927_ne_init); diff --git a/arch/mips/tx4938/toshiba_rbtx4938/setup.c b/arch/mips/tx4938/toshiba_rbtx4938/setup.c index 66163ba452c8..f5d1ce739fcc 100644 --- a/arch/mips/tx4938/toshiba_rbtx4938/setup.c +++ b/arch/mips/tx4938/toshiba_rbtx4938/setup.c @@ -20,6 +20,7 @@ #include <linux/console.h> #include <linux/pci.h> #include <linux/pm.h> +#include <linux/platform_device.h> #include <asm/wbflush.h> #include <asm/reboot.h> @@ -1037,3 +1038,22 @@ static int __init tx4938_spi_proc_setup(void) __initcall(tx4938_spi_proc_setup); #endif + +static int __init rbtx4938_ne_init(void) +{ + struct resource res[] = { + { + .start = RBTX4938_RTL_8019_BASE, + .end = RBTX4938_RTL_8019_BASE + 0x20 - 1, + .flags = IORESOURCE_IO, + }, { + .start = RBTX4938_RTL_8019_IRQ, + .flags = IORESOURCE_IRQ, + } + }; + struct platform_device *dev = + platform_device_register_simple("ne", -1, + res, ARRAY_SIZE(res)); + return IS_ERR(dev) ? PTR_ERR(dev) : 0; +} +device_initcall(rbtx4938_ne_init); diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c index c7a81a2c014c..d86e15776779 100644 --- a/arch/parisc/hpux/fs.c +++ b/arch/parisc/hpux/fs.c @@ -24,7 +24,6 @@ #include <linux/mm.h> #include <linux/sched.h> #include <linux/file.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/ptrace.h> #include <asm/errno.h> diff --git a/arch/parisc/hpux/ioctl.c b/arch/parisc/hpux/ioctl.c index b34b4f3c60ec..dede4765852e 100644 --- a/arch/parisc/hpux/ioctl.c +++ b/arch/parisc/hpux/ioctl.c @@ -34,7 +34,6 @@ */ #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <asm/errno.h> #include <asm/ioctl.h> diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c index 54fdb959149c..d3b7917a87cb 100644 --- a/arch/parisc/kernel/asm-offsets.c +++ b/arch/parisc/kernel/asm-offsets.c @@ -54,7 +54,7 @@ int main(void) { - DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, thread_info)); + DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack)); DEFINE(TASK_STATE, offsetof(struct task_struct, state)); DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags)); DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, pending)); diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index e9d09b020e86..c5c9125dacec 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -388,7 +388,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) static struct irqaction timer_action = { .handler = timer_interrupt, .name = "timer", - .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_PERCPU | IRQF_IRQPOLL, }; #ifdef CONFIG_SMP diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index 0d0d617b6f21..8a0db376e91e 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -10,7 +10,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 9784e405f849..fb35ebc0c4da 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -16,7 +16,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c index 1c1a37f73053..db94affe5c71 100644 --- a/arch/parisc/kernel/signal32.c +++ b/arch/parisc/kernel/signal32.c @@ -26,7 +26,6 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/unistd.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/sched.h> #include <linux/syscalls.h> diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c index 6fed0803c593..4f589216b39e 100644 --- a/arch/parisc/kernel/sys_parisc.c +++ b/arch/parisc/kernel/sys_parisc.c @@ -29,7 +29,6 @@ #include <linux/mm.h> #include <linux/mman.h> #include <linux/shm.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/utsname.h> #include <linux/personality.h> diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 55bc1471967d..745ff741490a 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -20,7 +20,6 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/init.h> #include <linux/interrupt.h> diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index 5f75b3e65986..89c03707eccc 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -216,11 +216,8 @@ static void unwind_frame_regs(struct unwind_frame_info *info) /* Handle some frequent special cases.... */ { char symname[KSYM_NAME_LEN+1]; - char *modname; - unsigned long symsize, offset; - kallsyms_lookup(info->ip, &symsize, &offset, - &modname, symname); + kallsyms_lookup(info->ip, NULL, NULL, NULL, symname); dbg("info->ip = 0x%lx, name = %s\n", info->ip, symname); diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 8de5f9ff4ade..ccc5410af996 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -117,18 +117,8 @@ config GENERIC_BUG default y depends on BUG -# -# Powerpc uses the slab allocator to manage its ptes and the -# page structs of ptes are used for splitting the page table -# lock for configurations supporting more than SPLIT_PTLOCK_CPUS. -# -# In that special configuration the page structs of slabs are modified. -# This setting disables the selection of SLUB as a slab allocator. -# -config ARCH_USES_SLAB_PAGE_STRUCT +config SYS_SUPPORTS_APM_EMULATION bool - default y - depends on SPLIT_PTLOCK_CPUS <= NR_CPUS config DEFAULT_UIMAGE bool @@ -136,6 +126,11 @@ config DEFAULT_UIMAGE Used to allow a board to specify it wants a uImage built by default default n +config PPC64_SWSUSP + bool + depends on PPC64 && (BROKEN || (PPC_PMAC64 && EXPERIMENTAL)) + default y + menu "Processor support" choice prompt "Processor Type" @@ -206,6 +201,7 @@ config 40x config 44x bool "AMCC 44x" select PPC_DCR_NATIVE + select WANT_DEVICE_TREE config E200 bool "Freescale e200" @@ -270,9 +266,14 @@ config PPC_OF_PLATFORM_PCI depends on PPC64 # not supported on 32 bits yet default n +config 4xx + bool + depends on 40x || 44x + default y + config BOOKE bool - depends on E200 || E500 + depends on E200 || E500 || 44x default y config FSL_BOOKE @@ -338,6 +339,11 @@ config PPC_STD_MMU_32 def_bool y depends on PPC_STD_MMU && PPC32 +config PPC_MM_SLICES + bool + default y if HUGETLB_PAGE + default n + config VIRT_CPU_ACCOUNTING bool "Deterministic task and CPU time accounting" depends on PPC64 @@ -527,9 +533,15 @@ config NODES_SPAN_OTHER_NODES def_bool y depends on NEED_MULTIPLE_NODES +config PPC_HAS_HASH_64K + bool + depends on PPC64 + default n + config PPC_64K_PAGES bool "64k page size" depends on PPC64 + select PPC_HAS_HASH_64K help This option changes the kernel logical page size to 64k. On machines without processor support for 64k pages, the kernel will simulate @@ -669,11 +681,12 @@ config MCA config PCI bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \ || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \ - || MPC7448HPC2 || PPC_PS3 + || MPC7448HPC2 || PPC_PS3 || PPC_HOLLY default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx \ && !PPC_85xx && !PPC_86xx default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS default PCI_QSPAN if !4xx && !CPM2 && 8xx + select ARCH_SUPPORTS_MSI help Find out whether your system includes a PCI bus. PCI is the name of a bus system, i.e. the way the CPU talks to the other stuff inside diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index 86aa3745af7f..346cd3befe1e 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -32,7 +32,7 @@ config HCALL_STATS depends on PPC_PSERIES && DEBUG_FS help Adds code to keep track of the number of hypervisor calls made and - the amount of time spent in hypervisor callsr. Wall time spent in + the amount of time spent in hypervisor calls. Wall time spent in each call is always calculated, and if available CPU cycles spent are also calculated. A directory named hcall_inst is added at the root of the debugfs filesystem. Within the hcall_inst directory @@ -139,10 +139,6 @@ config BOOTX_TEXT Say Y here to see progress messages from the boot firmware in text mode. Requires either BootX or Open Firmware. -config SERIAL_TEXT_DEBUG - bool "Support for early boot texts over serial port" - depends on 4xx - config PPC_EARLY_DEBUG bool "Early debugging (dangerous)" @@ -207,6 +203,24 @@ config PPC_EARLY_DEBUG_BEAT help Select this to enable early debugging for Celleb with Beat. +config PPC_EARLY_DEBUG_44x + bool "Early serial debugging for IBM/AMCC 44x CPUs" + depends on 44x + select PPC_UDBG_16550 + help + Select this to enable early debugging for IBM 44x chips via the + inbuilt serial port. + endchoice +config PPC_EARLY_DEBUG_44x_PHYSLOW + hex "Low 32 bits of early debug UART physical address" + depends PPC_EARLY_DEBUG_44x + default "0x40000200" + +config PPC_EARLY_DEBUG_44x_PHYSHIGH + hex "EPRN of early debug UART physical address" + depends PPC_EARLY_DEBUG_44x + default "0x1" + endmenu diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 794992025d8d..81a531d84ff9 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -148,7 +148,7 @@ all: $(KBUILD_IMAGE) CPPFLAGS_vmlinux.lds := -Upowerpc -BOOT_TARGETS = zImage zImage.initrd uImage cuImage +BOOT_TARGETS = zImage zImage.initrd uImage PHONY += $(BOOT_TARGETS) diff --git a/arch/powerpc/boot/44x.c b/arch/powerpc/boot/44x.c new file mode 100644 index 000000000000..d51377d9024f --- /dev/null +++ b/arch/powerpc/boot/44x.c @@ -0,0 +1,40 @@ +/* + * Copyright 2007 David Gibson, IBM Corporation. + * + * Based on earlier code: + * Matt Porter <mporter@kernel.crashing.org> + * Copyright 2002-2005 MontaVista Software Inc. + * + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> + * Copyright (c) 2003, 2004 Zultys Technologies + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <stddef.h> +#include "types.h" +#include "string.h" +#include "stdio.h" +#include "ops.h" +#include "reg.h" +#include "dcr.h" + +/* Read the 44x memory controller to get size of system memory. */ +void ibm44x_fixup_memsize(void) +{ + int i; + unsigned long memsize, bank_config; + + memsize = 0; + for (i = 0; i < ARRAY_SIZE(sdram_bxcr); i++) { + mtdcr(DCRN_SDRAM0_CFGADDR, sdram_bxcr[i]); + bank_config = mfdcr(DCRN_SDRAM0_CFGDATA); + + if (bank_config & SDRAM_CONFIG_BANK_ENABLE) + memsize += SDRAM_CONFIG_BANK_SIZE(bank_config); + } + + dt_fixup_memory(0, memsize); +} diff --git a/arch/powerpc/boot/44x.h b/arch/powerpc/boot/44x.h new file mode 100644 index 000000000000..7b129ad043e1 --- /dev/null +++ b/arch/powerpc/boot/44x.h @@ -0,0 +1,16 @@ +/* + * PowerPC 44x related functions + * + * Copyright 2007 David Gibson, IBM Corporation. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ +#ifndef _PPC_BOOT_44X_H_ +#define _PPC_BOOT_44X_H_ + +void ibm44x_fixup_memsize(void); +void ebony_init(void *mac0, void *mac1); + +#endif /* _PPC_BOOT_44X_H_ */ diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 3716594ea33e..5c384aad1184 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -37,13 +37,15 @@ zlib := inffast.c inflate.c inftrees.c zlibheader := inffast.h inffixed.h inflate.h inftrees.h infutil.h zliblinuxheader := zlib.h zconf.h zutil.h -$(addprefix $(obj)/,$(zlib) main.o): $(addprefix $(obj)/,$(zliblinuxheader)) \ - $(addprefix $(obj)/,$(zlibheader)) +$(addprefix $(obj)/,$(zlib) gunzip_util.o main.o): \ + $(addprefix $(obj)/,$(zliblinuxheader)) $(addprefix $(obj)/,$(zlibheader)) src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \ ns16550.c serial.c simple_alloc.c div64.S util.S \ - gunzip_util.c elf_util.c $(zlib) devtree.c -src-plat := of.c cuboot-83xx.c cuboot-85xx.c + gunzip_util.c elf_util.c $(zlib) devtree.c \ + 44x.c ebony.c +src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c \ + cuboot-ebony.c treeboot-ebony.c src-boot := $(src-wlib) $(src-plat) empty.c src-boot := $(addprefix $(obj)/, $(src-boot)) @@ -129,7 +131,14 @@ image-$(CONFIG_PPC_CELLEB) += zImage.pseries image-$(CONFIG_PPC_CHRP) += zImage.chrp image-$(CONFIG_PPC_EFIKA) += zImage.chrp image-$(CONFIG_PPC_PMAC) += zImage.pmac -image-$(CONFIG_DEFAULT_UIMAGE) += uImage cuImage +image-$(CONFIG_PPC_HOLLY) += zImage.holly-elf +image-$(CONFIG_DEFAULT_UIMAGE) += uImage + +ifneq ($(CONFIG_DEVICE_TREE),"") +image-$(CONFIG_PPC_83xx) += cuImage.83xx +image-$(CONFIG_PPC_85xx) += cuImage.85xx +image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony +endif # For 32-bit powermacs, build the COFF and miboot images # as well as the ELF images. @@ -138,7 +147,8 @@ image-$(CONFIG_PPC_PMAC) += zImage.coff zImage.miboot endif initrd- := $(patsubst zImage%, zImage.initrd%, $(image-n) $(image-)) -initrd-y := $(patsubst zImage%, zImage.initrd%, $(image-y)) +initrd-y := $(patsubst zImage%, zImage.initrd%, \ + $(patsubst treeImage%, treeImage.initrd%, $(image-y))) initrd-y := $(filter-out $(image-y), $(initrd-y)) targets += $(image-y) $(initrd-y) @@ -159,18 +169,27 @@ $(obj)/zImage.ps3: vmlinux $(obj)/zImage.initrd.ps3: vmlinux @echo " WARNING zImage.initrd.ps3 not supported (yet)" +$(obj)/zImage.holly-elf: vmlinux $(wrapperbits) + $(call if_changed,wrap,holly,$(obj)/dts/holly.dts,,) + +$(obj)/zImage.initrd.holly-elf: vmlinux $(wrapperbits) $(obj)/ramdisk.image.gz + $(call if_changed,wrap,holly,$(obj)/dts/holly.dts,,$(obj)/ramdisk.image.gz) + $(obj)/uImage: vmlinux $(wrapperbits) $(call if_changed,wrap,uboot) -cuboot-plat-$(CONFIG_83xx) += 83xx -cuboot-plat-$(CONFIG_85xx) += 85xx -cuboot-plat-y += unknown-platform - +# CONFIG_DEVICE_TREE will have "" around it, make sure to strip them dts = $(if $(shell echo $(CONFIG_DEVICE_TREE) | grep '^/'),\ - ,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE) + ,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE:"%"=%) + +$(obj)/cuImage.%: vmlinux $(dts) $(wrapperbits) + $(call if_changed,wrap,cuboot-$*,$(dts)) + +$(obj)/treeImage.%: vmlinux $(dts) $(wrapperbits) + $(call if_changed,wrap,treeboot-$*,$(dts)) -$(obj)/cuImage: vmlinux $(wrapperbits) - $(call if_changed,wrap,cuboot-$(word 1,$(cuboot-plat-y)),$(dts)) +$(obj)/treeImage.initrd.%: vmlinux $(dts) $(wrapperbits) + $(call if_changed,wrap,treeboot-$*,$(dts),,$(obj)/ramdisk.image.gz) $(obj)/zImage: $(addprefix $(obj)/, $(image-y)) @rm -f $@; ln $< $@ @@ -181,8 +200,8 @@ install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y)) sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $< # anything not in $(targets) -clean-files += $(image-) $(initrd-) zImage zImage.initrd \ - cuImage.elf cuImage.bin.gz +clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.* \ + treeImage.* # clean up files cached by wrapper clean-kernel := vmlinux.strip vmlinux.bin diff --git a/arch/powerpc/boot/cuboot-ebony.c b/arch/powerpc/boot/cuboot-ebony.c new file mode 100644 index 000000000000..4464c5f67acb --- /dev/null +++ b/arch/powerpc/boot/cuboot-ebony.c @@ -0,0 +1,42 @@ +/* + * Old U-boot compatibility for Ebony + * + * Author: David Gibson <david@gibson.dropbear.id.au> + * + * Copyright 2007 David Gibson, IBM Corporatio. + * Based on cuboot-83xx.c, which is: + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "ops.h" +#include "stdio.h" +#include "44x.h" + +#define TARGET_44x +#include "ppcboot.h" + +static bd_t bd; +extern char _end[]; + +BSS_STACK(4096); + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + unsigned long end_of_ram = bd.bi_memstart + bd.bi_memsize; + unsigned long avail_ram = end_of_ram - (unsigned long)_end; + + memcpy(&bd, (bd_t *)r3, sizeof(bd)); + loader_info.initrd_addr = r4; + loader_info.initrd_size = r4 ? r5 : 0; + loader_info.cmdline = (char *)r6; + loader_info.cmdline_len = r7 - r6; + + simple_alloc_init(_end, avail_ram, 32, 64); + + ebony_init(&bd.bi_enetaddr, &bd.bi_enet1addr); +} diff --git a/arch/powerpc/boot/dcr.h b/arch/powerpc/boot/dcr.h new file mode 100644 index 000000000000..877bc97b1e97 --- /dev/null +++ b/arch/powerpc/boot/dcr.h @@ -0,0 +1,87 @@ +#ifndef _PPC_BOOT_DCR_H_ +#define _PPC_BOOT_DCR_H_ + +#define mfdcr(rn) \ + ({ \ + unsigned long rval; \ + asm volatile("mfdcr %0,%1" : "=r"(rval) : "i"(rn)); \ + rval; \ + }) +#define mtdcr(rn, val) \ + asm volatile("mtdcr %0,%1" : : "i"(rn), "r"(val)) + +/* 440GP/440GX SDRAM controller DCRs */ +#define DCRN_SDRAM0_CFGADDR 0x010 +#define DCRN_SDRAM0_CFGDATA 0x011 + +#define SDRAM0_B0CR 0x40 +#define SDRAM0_B1CR 0x44 +#define SDRAM0_B2CR 0x48 +#define SDRAM0_B3CR 0x4c + +static const unsigned long sdram_bxcr[] = { SDRAM0_B0CR, SDRAM0_B1CR, SDRAM0_B2CR, SDRAM0_B3CR }; + +#define SDRAM_CONFIG_BANK_ENABLE 0x00000001 +#define SDRAM_CONFIG_SIZE_MASK 0x000e0000 +#define SDRAM_CONFIG_BANK_SIZE(reg) \ + (0x00400000 << ((reg & SDRAM_CONFIG_SIZE_MASK) >> 17)) + +/* 440GP Clock, PM, chip control */ +#define DCRN_CPC0_SR 0x0b0 +#define DCRN_CPC0_ER 0x0b1 +#define DCRN_CPC0_FR 0x0b2 +#define DCRN_CPC0_SYS0 0x0e0 +#define CPC0_SYS0_TUNE 0xffc00000 +#define CPC0_SYS0_FBDV_MASK 0x003c0000 +#define CPC0_SYS0_FWDVA_MASK 0x00038000 +#define CPC0_SYS0_FWDVB_MASK 0x00007000 +#define CPC0_SYS0_OPDV_MASK 0x00000c00 +#define CPC0_SYS0_EPDV_MASK 0x00000300 +/* Helper macros to compute the actual clock divider values from the + * encodings in the CPC0 register */ +#define CPC0_SYS0_FBDV(reg) \ + ((((((reg) & CPC0_SYS0_FBDV_MASK) >> 18) - 1) & 0xf) + 1) +#define CPC0_SYS0_FWDVA(reg) \ + (8 - (((reg) & CPC0_SYS0_FWDVA_MASK) >> 15)) +#define CPC0_SYS0_FWDVB(reg) \ + (8 - (((reg) & CPC0_SYS0_FWDVB_MASK) >> 12)) +#define CPC0_SYS0_OPDV(reg) \ + ((((reg) & CPC0_SYS0_OPDV_MASK) >> 10) + 1) +#define CPC0_SYS0_EPDV(reg) \ + ((((reg) & CPC0_SYS0_EPDV_MASK) >> 8) + 1) +#define CPC0_SYS0_EXTSL 0x00000080 +#define CPC0_SYS0_RW_MASK 0x00000060 +#define CPC0_SYS0_RL 0x00000010 +#define CPC0_SYS0_ZMIISL_MASK 0x0000000c +#define CPC0_SYS0_BYPASS 0x00000002 +#define CPC0_SYS0_NTO1 0x00000001 +#define DCRN_CPC0_SYS1 0x0e1 +#define DCRN_CPC0_CUST0 0x0e2 +#define DCRN_CPC0_CUST1 0x0e3 +#define DCRN_CPC0_STRP0 0x0e4 +#define DCRN_CPC0_STRP1 0x0e5 +#define DCRN_CPC0_STRP2 0x0e6 +#define DCRN_CPC0_STRP3 0x0e7 +#define DCRN_CPC0_GPIO 0x0e8 +#define DCRN_CPC0_PLB 0x0e9 +#define DCRN_CPC0_CR1 0x0ea +#define DCRN_CPC0_CR0 0x0eb +#define CPC0_CR0_SWE 0x80000000 +#define CPC0_CR0_CETE 0x40000000 +#define CPC0_CR0_U1FCS 0x20000000 +#define CPC0_CR0_U0DTE 0x10000000 +#define CPC0_CR0_U0DRE 0x08000000 +#define CPC0_CR0_U0DC 0x04000000 +#define CPC0_CR0_U1DTE 0x02000000 +#define CPC0_CR0_U1DRE 0x01000000 +#define CPC0_CR0_U1DC 0x00800000 +#define CPC0_CR0_U0EC 0x00400000 +#define CPC0_CR0_U1EC 0x00200000 +#define CPC0_CR0_UDIV_MASK 0x001f0000 +#define CPC0_CR0_UDIV(reg) \ + ((((reg) & CPC0_CR0_UDIV_MASK) >> 16) + 1) +#define DCRN_CPC0_MIRQ0 0x0ec +#define DCRN_CPC0_MIRQ1 0x0ed +#define DCRN_CPC0_JTAGID 0x0ef + +#endif /* _PPC_BOOT_DCR_H_ */ diff --git a/arch/powerpc/boot/dts/ebony.dts b/arch/powerpc/boot/dts/ebony.dts new file mode 100644 index 000000000000..b67918651c48 --- /dev/null +++ b/arch/powerpc/boot/dts/ebony.dts @@ -0,0 +1,307 @@ +/* + * Device Tree Source for IBM Ebony + * + * Copyright (c) 2006, 2007 IBM Corp. + * Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com> + * + * FIXME: Draft only! + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without + * any warranty of any kind, whether express or implied. + * + * To build: + * dtc -I dts -O asm -o ebony.S -b 0 ebony.dts + * dtc -I dts -O dtb -o ebony.dtb -b 0 ebony.dts + */ + +/ { + #address-cells = <2>; + #size-cells = <1>; + model = "ibm,ebony"; + compatible = "ibm,ebony"; + dcr-parent = <&/cpus/PowerPC,440GP@0>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,440GP@0 { + device_type = "cpu"; + reg = <0>; + clock-frequency = <0>; // Filled in by zImage + timebase-frequency = <0>; // Filled in by zImage + i-cache-line-size = <32>; + d-cache-line-size = <32>; + i-cache-size = <0>; + d-cache-size = <0>; + dcr-controller; + dcr-access-method = "native"; + }; + }; + + memory { + device_type = "memory"; + reg = <0 0 0>; // Filled in by zImage + }; + + UIC0: interrupt-controller0 { + device_type = "ibm,uic"; + compatible = "ibm,uic-440gp", "ibm,uic"; + interrupt-controller; + cell-index = <0>; + dcr-reg = <0c0 009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + + }; + + UIC1: interrupt-controller1 { + device_type = "ibm,uic"; + compatible = "ibm,uic-440gp", "ibm,uic"; + interrupt-controller; + cell-index = <1>; + dcr-reg = <0d0 009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + interrupts = <1e 4 1f 4>; /* cascade */ + interrupt-parent = <&UIC0>; + }; + + CPC0: cpc { + device_type = "ibm,cpc"; + compatible = "ibm,cpc-440gp"; + dcr-reg = <0b0 003 0e0 010>; + // FIXME: anything else? + }; + + plb { + device_type = "ibm,plb"; + compatible = "ibm,plb-440gp", "ibm,plb4"; + #address-cells = <2>; + #size-cells = <1>; + ranges; + clock-frequency = <0>; // Filled in by zImage + + SDRAM0: sdram { + device_type = "memory-controller"; + compatible = "ibm,sdram-440gp", "ibm,sdram"; + dcr-reg = <010 2>; + // FIXME: anything else? + }; + + DMA0: dma { + // FIXME: ??? + device_type = "ibm,dma-4xx"; + compatible = "ibm,dma-440gp", "ibm,dma-4xx"; + dcr-reg = <100 027>; + }; + + MAL0: mcmal { + device_type = "mcmal-dma"; + compatible = "ibm,mcmal-440gp", "ibm,mcmal"; + dcr-reg = <180 62>; + num-tx-chans = <4>; + num-rx-chans = <4>; + interrupt-parent = <&MAL0>; + interrupts = <0 1 2 3 4>; + #interrupt-cells = <1>; + #address-cells = <0>; + #size-cells = <0>; + interrupt-map = </*TXEOB*/ 0 &UIC0 a 4 + /*RXEOB*/ 1 &UIC0 b 4 + /*SERR*/ 2 &UIC1 0 4 + /*TXDE*/ 3 &UIC1 1 4 + /*RXDE*/ 4 &UIC1 2 4>; + interrupt-map-mask = <ffffffff>; + }; + + POB0: opb { + device_type = "ibm,opb"; + compatible = "ibm,opb-440gp", "ibm,opb"; + #address-cells = <1>; + #size-cells = <1>; + /* Wish there was a nicer way of specifying a full 32-bit + range */ + ranges = <00000000 1 00000000 80000000 + 80000000 1 80000000 80000000>; + dcr-reg = <090 00b>; + interrupt-parent = <&UIC1>; + interrupts = <7 4>; + clock-frequency = <0>; // Filled in by zImage + + EBC0: ebc { + device_type = "ibm,ebc"; + compatible = "ibm,ebc-440gp"; + dcr-reg = <012 2>; + #address-cells = <2>; + #size-cells = <1>; + clock-frequency = <0>; // Filled in by zImage + ranges = <0 00000000 fff00000 100000 + 1 00000000 48000000 100000 + 2 00000000 ff800000 400000 + 3 00000000 48200000 100000 + 7 00000000 48300000 100000>; + interrupts = <5 4>; + interrupt-parent = <&UIC1>; + + small-flash@0,0 { + device_type = "rom"; + compatible = "direct-mapped"; + probe-type = "JEDEC"; + bank-width = <1>; + partitions = <0 80000>; + partition-names = "OpenBIOS"; + reg = <0 80000 80000>; + }; + + ds1743@1,0 { + /* NVRAM & RTC */ + device_type = "nvram"; + compatible = "ds1743"; + reg = <1 0 2000>; + }; + + large-flash@2,0 { + device_type = "rom"; + compatible = "direct-mapped"; + probe-type = "JEDEC"; + bank-width = <1>; + partitions = <0 380000 + 280000 80000>; + partition-names = "fs", "firmware"; + reg = <2 0 400000>; + }; + + ir@3,0 { + reg = <3 0 10>; + }; + + fpga@7,0 { + compatible = "Ebony-FPGA"; + reg = <7 0 10>; + }; + }; + + UART0: serial@40000200 { + device_type = "serial"; + compatible = "ns16550"; + reg = <40000200 8>; + virtual-reg = <e0000200>; + clock-frequency = <A8C000>; + current-speed = <2580>; + interrupt-parent = <&UIC0>; + interrupts = <0 4>; + }; + + UART1: serial@40000300 { + device_type = "serial"; + compatible = "ns16550"; + reg = <40000300 8>; + virtual-reg = <e0000300>; + clock-frequency = <A8C000>; + current-speed = <2580>; + interrupt-parent = <&UIC0>; + interrupts = <1 4>; + }; + + IIC0: i2c@40000400 { + /* FIXME */ + device_type = "i2c"; + compatible = "ibm,iic-440gp", "ibm,iic"; + reg = <40000400 14>; + interrupt-parent = <&UIC0>; + interrupts = <2 4>; + }; + IIC1: i2c@40000500 { + /* FIXME */ + device_type = "i2c"; + compatible = "ibm,iic-440gp", "ibm,iic"; + reg = <40000500 14>; + interrupt-parent = <&UIC0>; + interrupts = <3 4>; + }; + + GPIO0: gpio@40000700 { + /* FIXME */ + device_type = "gpio"; + compatible = "ibm,gpio-440gp"; + reg = <40000700 20>; + }; + + ZMII0: emac-zmii@40000780 { + device_type = "emac-zmii"; + compatible = "ibm,zmii-440gp", "ibm,zmii"; + reg = <40000780 c>; + }; + + EMAC0: ethernet@40000800 { + linux,network-index = <0>; + device_type = "network"; + compatible = "ibm,emac-440gp", "ibm,emac"; + interrupt-parent = <&UIC1>; + interrupts = <1c 4 1d 4>; + reg = <40000800 70>; + local-mac-address = [000000000000]; // Filled in by zImage + mal-device = <&MAL0>; + mal-tx-channel = <0 1>; + mal-rx-channel = <0>; + cell-index = <0>; + max-frame-size = <5dc>; + rx-fifo-size = <1000>; + tx-fifo-size = <800>; + phy-mode = "rmii"; + phy-map = <00000001>; + zmii-device = <&ZMII0>; + zmii-channel = <0>; + }; + EMAC1: ethernet@40000900 { + linux,network-index = <1>; + device_type = "network"; + compatible = "ibm,emac-440gp", "ibm,emac"; + interrupt-parent = <&UIC1>; + interrupts = <1e 4 1f 4>; + reg = <40000900 70>; + local-mac-address = [000000000000]; // Filled in by zImage + mal-device = <&MAL0>; + mal-tx-channel = <2 3>; + mal-rx-channel = <1>; + cell-index = <1>; + max-frame-size = <5dc>; + rx-fifo-size = <1000>; + tx-fifo-size = <800>; + phy-mode = "rmii"; + phy-map = <00000001>; + zmii-device = <&ZMII0>; + zmii-channel = <1>; + }; + + + GPT0: gpt@40000a00 { + /* FIXME */ + reg = <40000a00 d4>; + interrupt-parent = <&UIC0>; + interrupts = <12 4 13 4 14 4 15 4 16 4>; + }; + + }; + + PCIX0: pci@1234 { + device_type = "pci"; + /* FIXME */ + reg = <2 0ec00000 8 + 2 0ec80000 f0 + 2 0ec80100 fc>; + }; + }; + + chosen { + linux,stdout-path = "/plb/opb/serial@40000200"; +// linux,initrd-start = <0>; /* FIXME */ +// linux,initrd-end = <0>; +// bootargs = ""; + }; +}; + diff --git a/arch/powerpc/boot/dts/holly.dts b/arch/powerpc/boot/dts/holly.dts new file mode 100644 index 000000000000..254499b107f4 --- /dev/null +++ b/arch/powerpc/boot/dts/holly.dts @@ -0,0 +1,198 @@ +/* + * Device Tree Source for IBM Holly (PPC 750CL with TSI controller) + * Copyright 2007, IBM Corporation + * + * Stephen Winiecki <stevewin@us.ibm.com> + * Josh Boyer <jwboyer@linux.vnet.ibm.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without + * any warranty of any kind, whether express or implied. + * + * To build: + * dtc -I dts -O asm -o holly.S -b 0 holly.dts + * dtc -I dts -O dtb -o holly.dtb -b 0 holly.dts + */ + +/ { + model = "41K7339"; + compatible = "ibm,holly"; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells =<0>; + PowerPC,750CL@0 { + device_type = "cpu"; + reg = <0>; + d-cache-line-size = <20>; + i-cache-line-size = <20>; + d-cache-size = <8000>; + i-cache-size = <8000>; + d-cache-sets = <80>; + i-cache-sets = <80>; + timebase-frequency = <2faf080>; + clock-frequency = <23c34600>; + bus-frequency = <bebc200>; + 32-bit; + }; + }; + + memory@0 { + device_type = "memory"; + reg = <00000000 20000000>; + }; + + tsi109@c0000000 { + device_type = "tsi-bridge"; + compatible = "tsi-bridge"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <00000000 c0000000 00010000>; + reg = <c0000000 00010000>; + + i2c@7000 { + device_type = "i2c"; + compatible = "tsi-i2c"; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupts = <e 2>; + reg = <7000 400>; + }; + + mdio@6000 { + device_type = "mdio"; + compatible = "tsi-ethernet"; + + PHY1: ethernet-phy@6000 { + device_type = "ethernet-phy"; + compatible = "bcm54xx"; + reg = <6000 50>; + phy-id = <1>; + }; + + PHY2: ethernet-phy@6400 { + device_type = "ethernet-phy"; + compatible = "bcm54xx"; + reg = <6000 50>; + phy-id = <2>; + }; + }; + + ethernet@6200 { + device_type = "network"; + compatible = "tsi-ethernet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <6000 200>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupts = <10 2>; + phy-handle = <&PHY1>; + }; + + ethernet@6600 { + device_type = "network"; + compatible = "tsi-ethernet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <6400 200>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupts = <11 2>; + phy-handle = <&PHY2>; + }; + + serial@7808 { + device_type = "serial"; + compatible = "ns16550"; + reg = <7808 200>; + virtual-reg = <c0007808>; + clock-frequency = <3F9C6000>; + current-speed = <1c200>; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupts = <c 2>; + }; + + serial@7c08 { + device_type = "serial"; + compatible = "ns16550"; + reg = <7c08 200>; + virtual-reg = <c0007c08>; + clock-frequency = <3F9C6000>; + current-speed = <1c200>; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupts = <d 2>; + }; + + MPIC: pic@7400 { + device_type = "open-pic"; + compatible = "chrp,open-pic"; + interrupt-controller; + #interrupt-cells = <2>; + reg = <7400 400>; + big-endian; + }; + + pci@1000 { + device_type = "pci"; + compatible = "tsi109"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <1000 1000>; + bus-range = <0 0>; + /*----------------------------------------------------+ + | PCI memory range. + | 01 denotes I/O space + | 02 denotes 32-bit memory space + +----------------------------------------------------*/ + ranges = <02000000 0 40000000 40000000 0 10000000 + 01000000 0 00000000 7e000000 0 00010000>; + clock-frequency = <7f28154>; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupts = <17 2>; + interrupt-map-mask = <f800 0 0 7>; + /*----------------------------------------------------+ + | The INTA, INTB, INTC, INTD are shared. + +----------------------------------------------------*/ + interrupt-map = < + 0800 0 0 1 &RT0 24 0 + 0800 0 0 2 &RT0 25 0 + 0800 0 0 3 &RT0 26 0 + 0800 0 0 4 &RT0 27 0 + + 1000 0 0 1 &RT0 25 0 + 1000 0 0 2 &RT0 26 0 + 1000 0 0 3 &RT0 27 0 + 1000 0 0 4 &RT0 24 0 + + 1800 0 0 1 &RT0 26 0 + 1800 0 0 2 &RT0 27 0 + 1800 0 0 3 &RT0 24 0 + 1800 0 0 4 &RT0 25 0 + + 2000 0 0 1 &RT0 27 0 + 2000 0 0 2 &RT0 24 0 + 2000 0 0 3 &RT0 25 0 + 2000 0 0 4 &RT0 26 0 + >; + + RT0: router@1180 { + device_type = "pic-router"; + interrupt-controller; + big-endian; + clock-frequency = <0>; + #address-cells = <0>; + #interrupt-cells = <2>; + interrupts = <17 2>; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + }; + }; + }; + + chosen { + linux,stdout-path = "/tsi109@c0000000/serial@7808"; + bootargs = "console=ttyS0,115200"; + }; +}; diff --git a/arch/powerpc/boot/dts/lite5200.dts b/arch/powerpc/boot/dts/lite5200.dts index ba54c6b40a09..e13ac6ef05a9 100644 --- a/arch/powerpc/boot/dts/lite5200.dts +++ b/arch/powerpc/boot/dts/lite5200.dts @@ -48,6 +48,7 @@ soc5200@f0000000 { model = "fsl,mpc5200"; + compatible = "mpc5200"; revision = "" // from bootloader #interrupt-cells = <3>; device_type = "soc"; @@ -166,7 +167,7 @@ device_type = "mscan"; compatible = "mpc5200-mscan"; cell-index = <1>; - interrupts = <1 12 0>; + interrupts = <2 12 0>; interrupt-parent = <500>; reg = <980 80>; }; @@ -178,7 +179,7 @@ interrupt-parent = <500>; }; - gpio-wkup@b00 { + gpio-wkup@c00 { compatible = "mpc5200-gpio-wkup"; reg = <c00 40>; interrupts = <1 8 0 0 3 0>; @@ -317,20 +318,22 @@ i2c@3d00 { device_type = "i2c"; - compatible = "mpc5200-i2c"; + compatible = "mpc5200-i2c\0fsl-i2c"; cell-index = <0>; reg = <3d00 40>; interrupts = <2 f 0>; interrupt-parent = <500>; + fsl5200-clocking; }; i2c@3d40 { device_type = "i2c"; - compatible = "mpc5200-i2c"; + compatible = "mpc5200-i2c\0fsl-i2c"; cell-index = <1>; reg = <3d40 40>; interrupts = <2 10 0>; interrupt-parent = <500>; + fsl5200-clocking; }; sram@8000 { device_type = "sram"; diff --git a/arch/powerpc/boot/dts/lite5200b.dts b/arch/powerpc/boot/dts/lite5200b.dts index 2e003081b0d3..00211b39a342 100644 --- a/arch/powerpc/boot/dts/lite5200b.dts +++ b/arch/powerpc/boot/dts/lite5200b.dts @@ -48,6 +48,7 @@ soc5200@f0000000 { model = "fsl,mpc5200b"; + compatible = "mpc5200"; revision = ""; // from bootloader #interrupt-cells = <3>; device_type = "soc"; @@ -166,7 +167,7 @@ device_type = "mscan"; compatible = "mpc5200b-mscan\0mpc5200-mscan"; cell-index = <1>; - interrupts = <1 12 0>; + interrupts = <2 12 0>; interrupt-parent = <500>; reg = <980 80>; }; @@ -178,7 +179,7 @@ interrupt-parent = <500>; }; - gpio-wkup@b00 { + gpio-wkup@c00 { compatible = "mpc5200b-gpio-wkup\0mpc5200-gpio-wkup"; reg = <c00 40>; interrupts = <1 8 0 0 3 0>; @@ -322,20 +323,22 @@ i2c@3d00 { device_type = "i2c"; - compatible = "mpc5200b-i2c\0mpc5200-i2c"; + compatible = "mpc5200b-i2c\0mpc5200-i2c\0fsl-i2c"; cell-index = <0>; reg = <3d00 40>; interrupts = <2 f 0>; interrupt-parent = <500>; + fsl5200-clocking; }; i2c@3d40 { device_type = "i2c"; - compatible = "mpc5200b-i2c\0mpc5200-i2c"; + compatible = "mpc5200b-i2c\0mpc5200-i2c\0fsl-i2c"; cell-index = <1>; reg = <3d40 40>; interrupts = <2 10 0>; interrupt-parent = <500>; + fsl5200-clocking; }; sram@8000 { device_type = "sram"; diff --git a/arch/powerpc/boot/dts/mpc832x_mds.dts b/arch/powerpc/boot/dts/mpc832x_mds.dts index c798491f4cd0..93b760696010 100644 --- a/arch/powerpc/boot/dts/mpc832x_mds.dts +++ b/arch/powerpc/boot/dts/mpc832x_mds.dts @@ -306,14 +306,12 @@ interrupts = <11 8>; reg = <3>; device_type = "ethernet-phy"; - interface = <3>; //ENET_100_MII }; phy4: ethernet-phy@04 { interrupt-parent = < &ipic >; interrupts = <12 8>; reg = <4>; device_type = "ethernet-phy"; - interface = <3>; }; }; diff --git a/arch/powerpc/boot/dts/mpc832x_rdb.dts b/arch/powerpc/boot/dts/mpc832x_rdb.dts index b55bced1593d..be4c35784e49 100644 --- a/arch/powerpc/boot/dts/mpc832x_rdb.dts +++ b/arch/powerpc/boot/dts/mpc832x_rdb.dts @@ -265,14 +265,12 @@ interrupts = <0>; reg = <0>; device_type = "ethernet-phy"; - interface = <3>; //ENET_100_MII }; phy04:ethernet-phy@04 { interrupt-parent = <&pic>; interrupts = <0>; reg = <4>; device_type = "ethernet-phy"; - interface = <3>; }; }; diff --git a/arch/powerpc/boot/dts/mpc836x_mds.dts b/arch/powerpc/boot/dts/mpc836x_mds.dts index 7f578eb57082..38c8594df3a4 100644 --- a/arch/powerpc/boot/dts/mpc836x_mds.dts +++ b/arch/powerpc/boot/dts/mpc836x_mds.dts @@ -305,6 +305,7 @@ rx-clock = <0>; tx-clock = <19>; phy-handle = < &phy0 >; + phy-connection-type = "rgmii-id"; pio-handle = < &pio1 >; }; @@ -320,6 +321,7 @@ rx-clock = <0>; tx-clock = <14>; phy-handle = < &phy1 >; + phy-connection-type = "rgmii-id"; pio-handle = < &pio2 >; }; @@ -335,14 +337,12 @@ interrupts = <11 8>; reg = <0>; device_type = "ethernet-phy"; - interface = <6>; //ENET_1000_GMII }; phy1: ethernet-phy@01 { interrupt-parent = < &ipic >; interrupts = <12 8>; reg = <1>; device_type = "ethernet-phy"; - interface = <6>; }; }; diff --git a/arch/powerpc/boot/dts/mpc8568mds.dts b/arch/powerpc/boot/dts/mpc8568mds.dts index 7361b36749cb..948a3b61bd4a 100644 --- a/arch/powerpc/boot/dts/mpc8568mds.dts +++ b/arch/powerpc/boot/dts/mpc8568mds.dts @@ -288,6 +288,7 @@ rx-clock = <0>; tx-clock = <19>; phy-handle = <&qe_phy0>; + phy-connection-type = "gmii"; pio-handle = <&pio1>; }; @@ -303,6 +304,7 @@ rx-clock = <0>; tx-clock = <14>; phy-handle = <&qe_phy1>; + phy-connection-type = "gmii"; pio-handle = <&pio2>; }; @@ -320,28 +322,24 @@ interrupts = <31 1>; reg = <0>; device_type = "ethernet-phy"; - interface = <6>; //ENET_1000_GMII }; qe_phy1: ethernet-phy@01 { interrupt-parent = <&mpic>; interrupts = <32 1>; reg = <1>; device_type = "ethernet-phy"; - interface = <6>; }; qe_phy2: ethernet-phy@02 { interrupt-parent = <&mpic>; interrupts = <31 1>; reg = <2>; device_type = "ethernet-phy"; - interface = <6>; //ENET_1000_GMII }; qe_phy3: ethernet-phy@03 { interrupt-parent = <&mpic>; interrupts = <32 1>; reg = <3>; device_type = "ethernet-phy"; - interface = <6>; //ENET_1000_GMII }; }; diff --git a/arch/powerpc/boot/ebony.c b/arch/powerpc/boot/ebony.c new file mode 100644 index 000000000000..b1251ee7a102 --- /dev/null +++ b/arch/powerpc/boot/ebony.c @@ -0,0 +1,129 @@ +/* + * Copyright 2007 David Gibson, IBM Corporation. + * + * Based on earlier code: + * Copyright (C) Paul Mackerras 1997. + * + * Matt Porter <mporter@kernel.crashing.org> + * Copyright 2002-2005 MontaVista Software Inc. + * + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> + * Copyright (c) 2003, 2004 Zultys Technologies + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <stdarg.h> +#include <stddef.h> +#include "types.h" +#include "elf.h" +#include "string.h" +#include "stdio.h" +#include "page.h" +#include "ops.h" +#include "reg.h" +#include "dcr.h" +#include "44x.h" + +extern char _dtb_start[]; +extern char _dtb_end[]; + +static u8 *ebony_mac0, *ebony_mac1; + +/* Calculate 440GP clocks */ +void ibm440gp_fixup_clocks(unsigned int sysclk, unsigned int ser_clk) +{ + u32 sys0 = mfdcr(DCRN_CPC0_SYS0); + u32 cr0 = mfdcr(DCRN_CPC0_CR0); + u32 cpu, plb, opb, ebc, tb, uart0, uart1, m; + u32 opdv = CPC0_SYS0_OPDV(sys0); + u32 epdv = CPC0_SYS0_EPDV(sys0); + + if (sys0 & CPC0_SYS0_BYPASS) { + /* Bypass system PLL */ + cpu = plb = sysclk; + } else { + if (sys0 & CPC0_SYS0_EXTSL) + /* PerClk */ + m = CPC0_SYS0_FWDVB(sys0) * opdv * epdv; + else + /* CPU clock */ + m = CPC0_SYS0_FBDV(sys0) * CPC0_SYS0_FWDVA(sys0); + cpu = sysclk * m / CPC0_SYS0_FWDVA(sys0); + plb = sysclk * m / CPC0_SYS0_FWDVB(sys0); + } + + opb = plb / opdv; + ebc = opb / epdv; + + /* FIXME: Check if this is for all 440GP, or just Ebony */ + if ((mfpvr() & 0xf0000fff) == 0x40000440) + /* Rev. B 440GP, use external system clock */ + tb = sysclk; + else + /* Rev. C 440GP, errata force us to use internal clock */ + tb = cpu; + + if (cr0 & CPC0_CR0_U0EC) + /* External UART clock */ + uart0 = ser_clk; + else + /* Internal UART clock */ + uart0 = plb / CPC0_CR0_UDIV(cr0); + + if (cr0 & CPC0_CR0_U1EC) + /* External UART clock */ + uart1 = ser_clk; + else + /* Internal UART clock */ + uart1 = plb / CPC0_CR0_UDIV(cr0); + + printf("PPC440GP: SysClk = %dMHz (%x)\n\r", + (sysclk + 500000) / 1000000, sysclk); + + dt_fixup_cpu_clocks(cpu, tb, 0); + + dt_fixup_clock("/plb", plb); + dt_fixup_clock("/plb/opb", opb); + dt_fixup_clock("/plb/opb/ebc", ebc); + dt_fixup_clock("/plb/opb/serial@40000200", uart0); + dt_fixup_clock("/plb/opb/serial@40000300", uart1); +} + +static void ebony_fixups(void) +{ + // FIXME: sysclk should be derived by reading the FPGA registers + unsigned long sysclk = 33000000; + + ibm440gp_fixup_clocks(sysclk, 6 * 1843200); + ibm44x_fixup_memsize(); + dt_fixup_mac_addresses(ebony_mac0, ebony_mac1); +} + +#define SPRN_DBCR0 0x134 +#define DBCR0_RST_SYSTEM 0x30000000 + +static void ebony_exit(void) +{ + unsigned long tmp; + + asm volatile ( + "mfspr %0,%1\n" + "oris %0,%0,%2@h\n" + "mtspr %1,%0" + : "=&r"(tmp) : "i"(SPRN_DBCR0), "i"(DBCR0_RST_SYSTEM) + ); + +} + +void ebony_init(void *mac0, void *mac1) +{ + platform_ops.fixups = ebony_fixups; + platform_ops.exit = ebony_exit; + ebony_mac0 = mac0; + ebony_mac1 = mac1; + ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + serial_console_init(); +} diff --git a/arch/powerpc/boot/holly.c b/arch/powerpc/boot/holly.c new file mode 100644 index 000000000000..7d6539f5e22c --- /dev/null +++ b/arch/powerpc/boot/holly.c @@ -0,0 +1,38 @@ +/* + * Copyright 2007 IBM Corporation + * + * Stephen Winiecki <stevewin@us.ibm.com> + * Josh Boyer <jwboyer@linux.vnet.ibm.com> + * + * Based on earlier code: + * Copyright (C) Paul Mackerras 1997. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + */ +#include <stdarg.h> +#include <stddef.h> +#include "types.h" +#include "elf.h" +#include "string.h" +#include "stdio.h" +#include "page.h" +#include "ops.h" +#include "io.h" + +extern char _start[]; +extern char _end[]; +extern char _dtb_start[]; +extern char _dtb_end[]; + +BSS_STACK(4096); + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5) +{ + u32 heapsize = 0x8000000 - (u32)_end; /* 128M */ + + simple_alloc_init(_end, heapsize, 32, 64); + ft_init(_dtb_start, 0, 4); + serial_console_init(); +} diff --git a/arch/powerpc/boot/mktree.c b/arch/powerpc/boot/mktree.c index 4cb892993651..45d06a8c7cd1 100644 --- a/arch/powerpc/boot/mktree.c +++ b/arch/powerpc/boot/mktree.c @@ -46,8 +46,8 @@ int main(int argc, char *argv[]) struct stat st; boot_block_t bt; - if (argc < 3) { - fprintf(stderr, "usage: %s <zImage-file> <boot-image> [entry-point]\n",argv[0]); + if (argc < 5) { + fprintf(stderr, "usage: %s <zImage-file> <boot-image> <load address> <entry point>\n",argv[0]); exit(1); } @@ -61,10 +61,8 @@ int main(int argc, char *argv[]) bt.bb_magic = htonl(0x0052504F); /* If we have the optional entry point parameter, use it */ - if (argc == 4) - bt.bb_dest = bt.bb_entry_point = htonl(strtoul(argv[3], NULL, 0)); - else - bt.bb_dest = bt.bb_entry_point = htonl(0x500000); + bt.bb_dest = htonl(strtoul(argv[3], NULL, 0)); + bt.bb_entry_point = htonl(strtoul(argv[4], NULL, 0)); /* We know these from the linker command. * ...and then move it up into memory a little more so the diff --git a/arch/powerpc/boot/treeboot-ebony.c b/arch/powerpc/boot/treeboot-ebony.c new file mode 100644 index 000000000000..8436a9c55192 --- /dev/null +++ b/arch/powerpc/boot/treeboot-ebony.c @@ -0,0 +1,34 @@ +/* + * Old U-boot compatibility for Ebony + * + * Author: David Gibson <david@gibson.dropbear.id.au> + * + * Copyright 2007 David Gibson, IBM Corporatio. + * Based on cuboot-83xx.c, which is: + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "ops.h" +#include "stdio.h" +#include "44x.h" + +extern char _end[]; + +BSS_STACK(4096); + +#define OPENBIOS_MAC_BASE 0xfffffe0c +#define OPENBIOS_MAC_OFFSET 0xc + +void platform_init(void) +{ + unsigned long end_of_ram = 0x8000000; + unsigned long avail_ram = end_of_ram - (unsigned long)_end; + + simple_alloc_init(_end, avail_ram, 32, 64); + ebony_init((u8 *)OPENBIOS_MAC_BASE, + (u8 *)(OPENBIOS_MAC_BASE + OPENBIOS_MAC_OFFSET)); +} diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 5cedd901201f..2ed8b8b3f0ec 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -163,20 +163,19 @@ fi vmz="$vmz$gzip" -case "$platform" in -uboot|cuboot*) - version=`${CROSS}strings "$kernel" | grep '^Linux version [-0-9.]' | \ - cut -d' ' -f3` - if [ -n "$version" ]; then - version="-n Linux-$version" - fi -esac +# Extract kernel version information, some platforms want to include +# it in the image header +version=`${CROSS}strings "$kernel" | grep '^Linux version [-0-9.]' | \ + cut -d' ' -f3` +if [ -n "$version" ]; then + uboot_version="-n Linux-$version" +fi case "$platform" in uboot) rm -f "$ofile" mkimage -A ppc -O linux -T kernel -C gzip -a 00000000 -e 00000000 \ - $version -d "$vmz" "$ofile" + $uboot_version -d "$vmz" "$ofile" if [ -z "$cacheit" ]; then rm -f "$vmz" fi @@ -212,25 +211,32 @@ if [ "$platform" != "miboot" ]; then rm $tmp fi +# Some platforms need the zImage's entry point and base address +base=0x`${CROSS}nm "$ofile" | grep ' _start$' | cut -d' ' -f1` +entry=`${CROSS}objdump -f "$ofile" | grep '^start address ' | cut -d' ' -f3` + # post-processing needed for some platforms case "$platform" in pseries|chrp) $object/addnote "$ofile" ;; pmaccoff) - entry=`objdump -f "$ofile" | grep '^start address ' | \ - cut -d' ' -f3` ${CROSS}objcopy -O aixcoff-rs6000 --set-start "$entry" "$ofile" $object/hack-coff "$ofile" ;; cuboot*) - base=`${CROSS}nm "$ofile" | grep ' _start$' | cut -d' ' -f1` - entry=`${CROSS}objdump -f "$ofile" | grep '^start address ' | \ - cut -d' ' -f3` mv "$ofile" "$ofile".elf ${CROSS}objcopy -O binary "$ofile".elf "$ofile".bin gzip -f -9 "$ofile".bin mkimage -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \ - $version -d "$ofile".bin.gz "$ofile" + $uboot_version -d "$ofile".bin.gz "$ofile" + ;; +treeboot*) + mv "$ofile" "$ofile.elf" + $object/mktree "$ofile.elf" "$ofile" "$base" "$entry" + if [ -z "$cacheit" ]; then + rm -f "$ofile.elf" + fi + exit 0 ;; esac diff --git a/arch/powerpc/configs/ebony_defconfig b/arch/powerpc/configs/ebony_defconfig new file mode 100644 index 000000000000..c3b96ef3c2d1 --- /dev/null +++ b/arch/powerpc/configs/ebony_defconfig @@ -0,0 +1,905 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.21 +# Fri May 4 13:47:08 2007 +# +# CONFIG_PPC64 is not set +CONFIG_PPC32=y +CONFIG_PPC_MERGE=y +CONFIG_MMU=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_IRQ_PER_CPU=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_ARCH_HAS_ILOG2_U32=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_PPC=y +CONFIG_EARLY_PRINTK=y +CONFIG_GENERIC_NVRAM=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +# CONFIG_PPC_UDBG_16550 is not set +# CONFIG_GENERIC_TBSYNC is not set +CONFIG_AUDIT_ARCH=y +CONFIG_GENERIC_BUG=y +# CONFIG_DEFAULT_UIMAGE is not set + +# +# Processor support +# +# CONFIG_CLASSIC32 is not set +# CONFIG_PPC_82xx is not set +# CONFIG_PPC_83xx is not set +# CONFIG_PPC_85xx is not set +# CONFIG_PPC_86xx is not set +# CONFIG_PPC_8xx is not set +# CONFIG_40x is not set +CONFIG_44x=y +# CONFIG_E200 is not set +CONFIG_PPC_DCR_NATIVE=y +# CONFIG_PPC_DCR_MMIO is not set +CONFIG_PPC_DCR=y +CONFIG_4xx=y +CONFIG_BOOKE=y +CONFIG_PTE_64BIT=y +CONFIG_PHYS_64BIT=y +CONFIG_NOT_COHERENT_CACHE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# Code maturity level options +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 + +# +# General setup +# +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_POSIX_MQUEUE=y +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set +# CONFIG_AUDIT is not set +# CONFIG_IKCONFIG is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +CONFIG_KALLSYMS_ALL=y +CONFIG_KALLSYMS_EXTRA_PASS=y +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_EPOLL=y +CONFIG_SHMEM=y +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set + +# +# Loadable module support +# +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y + +# +# Block layer +# +CONFIG_BLOCK=y +CONFIG_LBD=y +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" + +# +# Platform support +# +# CONFIG_PPC_MPC52xx is not set +# CONFIG_PPC_MPC5200 is not set +# CONFIG_PPC_CELL is not set +# CONFIG_PPC_CELL_NATIVE is not set +# CONFIG_PQ2ADS is not set +CONFIG_EBONY=y +CONFIG_440GP=y +# CONFIG_MPIC is not set +# CONFIG_MPIC_WEIRD is not set +# CONFIG_PPC_I8259 is not set +# CONFIG_PPC_RTAS is not set +# CONFIG_MMIO_NVRAM is not set +# CONFIG_PPC_MPC106 is not set +# CONFIG_PPC_970_NAP is not set +# CONFIG_PPC_INDIRECT_IO is not set +# CONFIG_GENERIC_IOMAP is not set +# CONFIG_CPU_FREQ is not set +# CONFIG_CPM2 is not set + +# +# Kernel options +# +# CONFIG_HIGHMEM is not set +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +CONFIG_PREEMPT_NONE=y +# CONFIG_PREEMPT_VOLUNTARY is not set +# CONFIG_PREEMPT is not set +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_MISC is not set +CONFIG_MATH_EMULATION=y +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_RESOURCES_64BIT=y +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_PROC_DEVICETREE=y +# CONFIG_CMDLINE_BOOL is not set +CONFIG_SECCOMP=y +CONFIG_WANT_DEVICE_TREE=y +CONFIG_DEVICE_TREE="ebony.dts" +CONFIG_ISA_DMA_API=y + +# +# Bus options +# +CONFIG_ZONE_DMA=y +CONFIG_PPC_INDIRECT_PCI=y +# CONFIG_PPC_INDIRECT_PCI_BE is not set +CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y +# CONFIG_PCIEPORTBUS is not set +# CONFIG_PCI_DEBUG is not set + +# +# PCCARD (PCMCIA/CardBus) support +# +# CONFIG_PCCARD is not set + +# +# PCI Hotplug Support +# +# CONFIG_HOTPLUG_PCI is not set + +# +# Advanced setup +# +# CONFIG_ADVANCED_OPTIONS is not set + +# +# Default settings for advanced configuration options are used +# +CONFIG_HIGHMEM_START=0xfe000000 +CONFIG_LOWMEM_SIZE=0x30000000 +CONFIG_KERNEL_START=0xc0000000 +CONFIG_TASK_SIZE=0x80000000 +CONFIG_CONSISTENT_START=0xff100000 +CONFIG_CONSISTENT_SIZE=0x00200000 +CONFIG_BOOT_LOAD=0x01000000 + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_IEEE80211 is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +CONFIG_CONNECTOR=y +CONFIG_PROC_EVENTS=y +# CONFIG_MTD is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set + +# +# Plug and Play support +# +# CONFIG_PNPACPI is not set + +# +# Block devices +# +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 is not set +# CONFIG_BLK_DEV_UMEM is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +# CONFIG_BLK_DEV_LOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_SX8 is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=35000 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set + +# +# Misc devices +# +# CONFIG_SGI_IOC4 is not set +# CONFIG_TIFM_CORE is not set + +# +# ATA/ATAPI/MFM/RLL support +# +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +# CONFIG_SCSI is not set +# CONFIG_SCSI_NETLINK is not set + +# +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# +# CONFIG_ATA is not set + +# +# Multi-device support (RAID and LVM) +# +# CONFIG_MD is not set + +# +# Fusion MPT device support +# +# CONFIG_FUSION is not set + +# +# IEEE 1394 (FireWire) support +# +# CONFIG_IEEE1394 is not set + +# +# I2O device support +# +# CONFIG_I2O is not set +# CONFIG_MACINTOSH_DRIVERS is not set + +# +# Network device support +# +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set + +# +# ARCnet devices +# +# CONFIG_ARCNET is not set + +# +# PHY device support +# + +# +# Ethernet (10 or 100Mbit) +# +# CONFIG_NET_ETHERNET is not set +CONFIG_IBM_NEW_EMAC=y +CONFIG_IBM_NEW_EMAC_RXB=128 +CONFIG_IBM_NEW_EMAC_TXB=64 +CONFIG_IBM_NEW_EMAC_POLL_WEIGHT=32 +CONFIG_IBM_NEW_EMAC_RX_COPY_THRESHOLD=256 +CONFIG_IBM_NEW_EMAC_RX_SKB_HEADROOM=0 +# CONFIG_IBM_NEW_EMAC_DEBUG is not set +CONFIG_IBM_NEW_EMAC_ZMII=y +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set + +# +# Ethernet (1000 Mbit) +# +# CONFIG_ACENIC is not set +# CONFIG_DL2K is not set +# CONFIG_E1000 is not set +# CONFIG_NS83820 is not set +# CONFIG_HAMACHI is not set +# CONFIG_YELLOWFIN is not set +# CONFIG_R8169 is not set +# CONFIG_SIS190 is not set +# CONFIG_SKGE is not set +# CONFIG_SKY2 is not set +# CONFIG_SK98LIN is not set +# CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set +# CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set + +# +# Ethernet (10000 Mbit) +# +# CONFIG_CHELSIO_T1 is not set +# CONFIG_CHELSIO_T3 is not set +# CONFIG_IXGB is not set +# CONFIG_S2IO is not set +# CONFIG_MYRI10GE is not set +# CONFIG_NETXEN_NIC is not set + +# +# Token Ring devices +# +# CONFIG_TR is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set + +# +# Wan interfaces +# +# CONFIG_WAN is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_SHAPER is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set + +# +# ISDN subsystem +# +# CONFIG_ISDN is not set + +# +# Telephony Support +# +# CONFIG_PHONE is not set + +# +# Input device support +# +# CONFIG_INPUT is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +# CONFIG_SERIAL_8250_PCI is not set +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +# CONFIG_SERIAL_8250_MANY_PORTS is not set +CONFIG_SERIAL_8250_SHARE_IRQ=y +# CONFIG_SERIAL_8250_DETECT_IRQ is not set +# CONFIG_SERIAL_8250_RSA is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_UARTLITE is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set +CONFIG_SERIAL_OF_PLATFORM=y +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 + +# +# IPMI +# +# CONFIG_IPMI_HANDLER is not set + +# +# Watchdog Cards +# +# CONFIG_WATCHDOG is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_NVRAM is not set +# CONFIG_GEN_RTC is not set +# CONFIG_DTLK is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set +# CONFIG_AGP is not set +# CONFIG_DRM is not set +# CONFIG_RAW_DRIVER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set + +# +# I2C support +# +# CONFIG_I2C is not set + +# +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# +# Dallas's 1-wire bus +# +# CONFIG_W1 is not set + +# +# Hardware Monitoring support +# +# CONFIG_HWMON is not set +# CONFIG_HWMON_VID is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# +# Multimedia devices +# +# CONFIG_VIDEO_DEV is not set + +# +# Digital Video Broadcasting Devices +# +# CONFIG_DVB is not set + +# +# Graphics support +# +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set +# CONFIG_FB is not set +# CONFIG_FB_IBM_GXT4500 is not set + +# +# Sound +# +# CONFIG_SOUND is not set + +# +# USB support +# +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y +# CONFIG_USB is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# USB Gadget Support +# +# CONFIG_USB_GADGET is not set + +# +# MMC/SD Card support +# +# CONFIG_MMC is not set + +# +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# +# InfiniBand support +# +# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# + +# +# Auxiliary Display support +# + +# +# Virtualization +# + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +# CONFIG_EXT3_FS is not set +# CONFIG_EXT4DEV_FS is not set +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +CONFIG_DNOTIFY=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_CRAMFS=y +# CONFIG_VXFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set + +# +# Network File Systems +# +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +# CONFIG_NFS_DIRECTIO is not set +# CONFIG_NFSD is not set +CONFIG_ROOT_NFS=y +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y + +# +# Native Language Support +# +# CONFIG_NLS is not set + +# +# Distributed Lock Manager +# +# CONFIG_DLM is not set +# CONFIG_UCC_SLOW is not set +# CONFIG_UCC_FAST is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +CONFIG_CRC32=y +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y + +# +# Instrumentation Support +# +# CONFIG_PROFILING is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_MAGIC_SYSRQ=y +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +CONFIG_DEBUG_BUGVERBOSE=y +# CONFIG_DEBUG_INFO is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_LIST is not set +CONFIG_FORCED_INLINING=y +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_DEBUG_STACKOVERFLOW is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_DEBUG_PAGEALLOC is not set +# CONFIG_DEBUGGER is not set +# CONFIG_BDI_SWITCH is not set +# CONFIG_BOOTX_TEXT is not set +# CONFIG_SERIAL_TEXT_DEBUG is not set +# CONFIG_PPC_EARLY_DEBUG is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set + +# +# Cryptographic options +# +CONFIG_CRYPTO=y +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_MANAGER=y +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_WP512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_GF128MUL is not set +CONFIG_CRYPTO_ECB=y +CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_PCBC=y +# CONFIG_CRYPTO_LRW is not set +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_TWOFISH is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Hardware crypto devices +# diff --git a/arch/powerpc/configs/holly_defconfig b/arch/powerpc/configs/holly_defconfig new file mode 100644 index 000000000000..be633b9b57c3 --- /dev/null +++ b/arch/powerpc/configs/holly_defconfig @@ -0,0 +1,1070 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.21 +# Sat May 5 11:02:35 2007 +# +# CONFIG_PPC64 is not set +CONFIG_PPC32=y +CONFIG_PPC_MERGE=y +CONFIG_MMU=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_IRQ_PER_CPU=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_ARCH_HAS_ILOG2_U32=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_PPC=y +CONFIG_EARLY_PRINTK=y +CONFIG_GENERIC_NVRAM=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +CONFIG_PPC_UDBG_16550=y +# CONFIG_GENERIC_TBSYNC is not set +CONFIG_AUDIT_ARCH=y +CONFIG_GENERIC_BUG=y +# CONFIG_DEFAULT_UIMAGE is not set + +# +# Processor support +# +CONFIG_CLASSIC32=y +# CONFIG_PPC_82xx is not set +# CONFIG_PPC_83xx is not set +# CONFIG_PPC_85xx is not set +# CONFIG_PPC_86xx is not set +# CONFIG_PPC_8xx is not set +# CONFIG_40x is not set +# CONFIG_44x is not set +# CONFIG_E200 is not set +CONFIG_6xx=y +CONFIG_PPC_FPU=y +# CONFIG_PPC_DCR_NATIVE is not set +# CONFIG_PPC_DCR_MMIO is not set +# CONFIG_ALTIVEC is not set +CONFIG_PPC_STD_MMU=y +CONFIG_PPC_STD_MMU_32=y +# CONFIG_SMP is not set +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# Code maturity level options +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 + +# +# General setup +# +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set +# CONFIG_AUDIT is not set +# CONFIG_IKCONFIG is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_ALL is not set +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_EPOLL=y +CONFIG_SHMEM=y +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set + +# +# Loadable module support +# +CONFIG_MODULES=y +# CONFIG_MODULE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +# CONFIG_KMOD is not set + +# +# Block layer +# +CONFIG_BLOCK=y +CONFIG_LBD=y +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" + +# +# Platform support +# +# CONFIG_PPC_MULTIPLATFORM is not set +CONFIG_EMBEDDED6xx=y +# CONFIG_APUS is not set +# CONFIG_PPC_MPC52xx is not set +# CONFIG_PPC_MPC5200 is not set +# CONFIG_PPC_CELL is not set +# CONFIG_PPC_CELL_NATIVE is not set +# CONFIG_PQ2ADS is not set +# CONFIG_LINKSTATION is not set +# CONFIG_MPC7448HPC2 is not set +CONFIG_PPC_HOLLY=y +CONFIG_TSI108_BRIDGE=y +CONFIG_MPIC=y +CONFIG_MPIC_WEIRD=y +# CONFIG_PPC_I8259 is not set +# CONFIG_PPC_RTAS is not set +# CONFIG_MMIO_NVRAM is not set +# CONFIG_PPC_MPC106 is not set +# CONFIG_PPC_970_NAP is not set +# CONFIG_PPC_INDIRECT_IO is not set +# CONFIG_GENERIC_IOMAP is not set +# CONFIG_CPU_FREQ is not set +# CONFIG_TAU is not set +# CONFIG_CPM2 is not set + +# +# Kernel options +# +# CONFIG_HIGHMEM is not set +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +CONFIG_PREEMPT_NONE=y +# CONFIG_PREEMPT_VOLUNTARY is not set +# CONFIG_PREEMPT is not set +CONFIG_BINFMT_ELF=y +CONFIG_BINFMT_MISC=y +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_PROC_DEVICETREE=y +# CONFIG_CMDLINE_BOOL is not set +# CONFIG_PM is not set +# CONFIG_SECCOMP is not set +# CONFIG_WANT_DEVICE_TREE is not set +CONFIG_ISA_DMA_API=y + +# +# Bus options +# +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_ISA_DMA=y +# CONFIG_PPC_INDIRECT_PCI is not set +CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y +# CONFIG_PCIEPORTBUS is not set +# CONFIG_PCI_DEBUG is not set + +# +# PCCARD (PCMCIA/CardBus) support +# +# CONFIG_PCCARD is not set + +# +# PCI Hotplug Support +# +# CONFIG_HOTPLUG_PCI is not set + +# +# Advanced setup +# +# CONFIG_ADVANCED_OPTIONS is not set + +# +# Default settings for advanced configuration options are used +# +CONFIG_HIGHMEM_START=0xfe000000 +CONFIG_LOWMEM_SIZE=0x30000000 +CONFIG_KERNEL_START=0xc0000000 +CONFIG_TASK_SIZE=0x80000000 +CONFIG_BOOT_LOAD=0x00800000 + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +CONFIG_XFRM_USER=y +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_IP_MROUTE is not set +# CONFIG_ARPD is not set +CONFIG_SYN_COOKIES=y +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_IEEE80211 is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set +# CONFIG_MTD is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set + +# +# Plug and Play support +# +# CONFIG_PNPACPI is not set + +# +# Block devices +# +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 is not set +# CONFIG_BLK_DEV_UMEM is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_SX8 is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=131072 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set + +# +# Misc devices +# +# CONFIG_SGI_IOC4 is not set +# CONFIG_TIFM_CORE is not set + +# +# ATA/ATAPI/MFM/RLL support +# +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +# CONFIG_CHR_DEV_SG is not set +# CONFIG_CHR_DEV_SCH is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set + +# +# SCSI low-level drivers +# +# CONFIG_ISCSI_TCP is not set +# CONFIG_BLK_DEV_3W_XXXX_RAID is not set +# CONFIG_SCSI_3W_9XXX is not set +# CONFIG_SCSI_ACARD is not set +# CONFIG_SCSI_AACRAID is not set +# CONFIG_SCSI_AIC7XXX is not set +# CONFIG_SCSI_AIC7XXX_OLD is not set +# CONFIG_SCSI_AIC79XX is not set +# CONFIG_SCSI_AIC94XX is not set +# CONFIG_SCSI_DPT_I2O is not set +# CONFIG_SCSI_ARCMSR is not set +# CONFIG_MEGARAID_NEWGEN is not set +# CONFIG_MEGARAID_LEGACY is not set +# CONFIG_MEGARAID_SAS is not set +# CONFIG_SCSI_HPTIOP is not set +# CONFIG_SCSI_BUSLOGIC is not set +# CONFIG_SCSI_DMX3191D is not set +# CONFIG_SCSI_EATA is not set +# CONFIG_SCSI_FUTURE_DOMAIN is not set +# CONFIG_SCSI_GDTH is not set +# CONFIG_SCSI_IPS is not set +# CONFIG_SCSI_INITIO is not set +# CONFIG_SCSI_INIA100 is not set +# CONFIG_SCSI_STEX is not set +# CONFIG_SCSI_SYM53C8XX_2 is not set +# CONFIG_SCSI_IPR is not set +# CONFIG_SCSI_QLOGIC_1280 is not set +# CONFIG_SCSI_QLA_FC is not set +# CONFIG_SCSI_QLA_ISCSI is not set +# CONFIG_SCSI_LPFC is not set +# CONFIG_SCSI_DC395x is not set +# CONFIG_SCSI_DC390T is not set +# CONFIG_SCSI_NSP32 is not set +# CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_ESP_CORE is not set +# CONFIG_SCSI_SRP is not set + +# +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# +CONFIG_ATA=y +# CONFIG_ATA_NONSTANDARD is not set +# CONFIG_SATA_AHCI is not set +# CONFIG_SATA_SVW is not set +# CONFIG_ATA_PIIX is not set +# CONFIG_SATA_MV is not set +# CONFIG_SATA_NV is not set +# CONFIG_PDC_ADMA is not set +# CONFIG_SATA_QSTOR is not set +# CONFIG_SATA_PROMISE is not set +# CONFIG_SATA_SX4 is not set +# CONFIG_SATA_SIL is not set +# CONFIG_SATA_SIL24 is not set +# CONFIG_SATA_SIS is not set +# CONFIG_SATA_ULI is not set +# CONFIG_SATA_VIA is not set +# CONFIG_SATA_VITESSE is not set +# CONFIG_SATA_INIC162X is not set +# CONFIG_PATA_ALI is not set +# CONFIG_PATA_AMD is not set +# CONFIG_PATA_ARTOP is not set +# CONFIG_PATA_ATIIXP is not set +# CONFIG_PATA_CMD640_PCI is not set +# CONFIG_PATA_CMD64X is not set +# CONFIG_PATA_CS5520 is not set +# CONFIG_PATA_CS5530 is not set +# CONFIG_PATA_CYPRESS is not set +# CONFIG_PATA_EFAR is not set +# CONFIG_ATA_GENERIC is not set +# CONFIG_PATA_HPT366 is not set +# CONFIG_PATA_HPT37X is not set +# CONFIG_PATA_HPT3X2N is not set +# CONFIG_PATA_HPT3X3 is not set +# CONFIG_PATA_IT821X is not set +# CONFIG_PATA_IT8213 is not set +# CONFIG_PATA_JMICRON is not set +# CONFIG_PATA_TRIFLEX is not set +# CONFIG_PATA_MARVELL is not set +# CONFIG_PATA_MPIIX is not set +# CONFIG_PATA_OLDPIIX is not set +# CONFIG_PATA_NETCELL is not set +# CONFIG_PATA_NS87410 is not set +# CONFIG_PATA_OPTI is not set +# CONFIG_PATA_OPTIDMA is not set +# CONFIG_PATA_PDC_OLD is not set +# CONFIG_PATA_RADISYS is not set +# CONFIG_PATA_RZ1000 is not set +# CONFIG_PATA_SC1200 is not set +# CONFIG_PATA_SERVERWORKS is not set +# CONFIG_PATA_PDC2027X is not set +# CONFIG_PATA_SIL680 is not set +# CONFIG_PATA_SIS is not set +# CONFIG_PATA_VIA is not set +# CONFIG_PATA_WINBOND is not set +# CONFIG_PATA_PLATFORM is not set + +# +# Multi-device support (RAID and LVM) +# +# CONFIG_MD is not set + +# +# Fusion MPT device support +# +# CONFIG_FUSION is not set +# CONFIG_FUSION_SPI is not set +# CONFIG_FUSION_FC is not set +# CONFIG_FUSION_SAS is not set + +# +# IEEE 1394 (FireWire) support +# +# CONFIG_IEEE1394 is not set + +# +# I2O device support +# +# CONFIG_I2O is not set +# CONFIG_MACINTOSH_DRIVERS is not set + +# +# Network device support +# +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set + +# +# ARCnet devices +# +# CONFIG_ARCNET is not set + +# +# PHY device support +# +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_FIXED_PHY is not set + +# +# Ethernet (10 or 100Mbit) +# +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_HAPPYMEAL is not set +# CONFIG_SUNGEM is not set +# CONFIG_CASSINI is not set +CONFIG_NET_VENDOR_3COM=y +CONFIG_VORTEX=y +# CONFIG_TYPHOON is not set + +# +# Tulip family network device support +# +# CONFIG_NET_TULIP is not set +# CONFIG_HP100 is not set +# CONFIG_NET_PCI is not set + +# +# Ethernet (1000 Mbit) +# +# CONFIG_ACENIC is not set +# CONFIG_DL2K is not set +# CONFIG_E1000 is not set +# CONFIG_NS83820 is not set +# CONFIG_HAMACHI is not set +# CONFIG_YELLOWFIN is not set +# CONFIG_R8169 is not set +# CONFIG_SIS190 is not set +# CONFIG_SKGE is not set +# CONFIG_SKY2 is not set +# CONFIG_SK98LIN is not set +# CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set +CONFIG_TSI108_ETH=y +# CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set + +# +# Ethernet (10000 Mbit) +# +# CONFIG_CHELSIO_T1 is not set +# CONFIG_CHELSIO_T3 is not set +# CONFIG_IXGB is not set +# CONFIG_S2IO is not set +# CONFIG_MYRI10GE is not set +# CONFIG_NETXEN_NIC is not set + +# +# Token Ring devices +# +# CONFIG_TR is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set + +# +# Wan interfaces +# +# CONFIG_WAN is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NET_FC is not set +# CONFIG_SHAPER is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set + +# +# ISDN subsystem +# +# CONFIG_ISDN is not set + +# +# Telephony Support +# +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set + +# +# Userland interfaces +# +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_TSDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +# CONFIG_SERIAL_8250_PCI is not set +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +# CONFIG_SERIAL_8250_MANY_PORTS is not set +CONFIG_SERIAL_8250_SHARE_IRQ=y +# CONFIG_SERIAL_8250_DETECT_IRQ is not set +# CONFIG_SERIAL_8250_RSA is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_UARTLITE is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set +CONFIG_SERIAL_OF_PLATFORM=y +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 + +# +# IPMI +# +# CONFIG_IPMI_HANDLER is not set + +# +# Watchdog Cards +# +# CONFIG_WATCHDOG is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_NVRAM is not set +CONFIG_GEN_RTC=y +# CONFIG_GEN_RTC_X is not set +# CONFIG_DTLK is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set +# CONFIG_AGP is not set +# CONFIG_DRM is not set +# CONFIG_RAW_DRIVER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set + +# +# I2C support +# +# CONFIG_I2C is not set + +# +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# +# Dallas's 1-wire bus +# +# CONFIG_W1 is not set + +# +# Hardware Monitoring support +# +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# +# Multimedia devices +# +# CONFIG_VIDEO_DEV is not set + +# +# Digital Video Broadcasting Devices +# +# CONFIG_DVB is not set + +# +# Graphics support +# +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set +# CONFIG_FB is not set +# CONFIG_FB_IBM_GXT4500 is not set + +# +# Sound +# +# CONFIG_SOUND is not set + +# +# HID Devices +# +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set + +# +# USB support +# +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y +# CONFIG_USB is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# USB Gadget Support +# +# CONFIG_USB_GADGET is not set + +# +# MMC/SD Card support +# +# CONFIG_MMC is not set + +# +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# +# InfiniBand support +# +# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# + +# +# Auxiliary Display support +# + +# +# Virtualization +# + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +CONFIG_DNOTIFY=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set + +# +# Network File Systems +# +CONFIG_NFS_FS=y +# CONFIG_NFS_V3 is not set +# CONFIG_NFS_V4 is not set +# CONFIG_NFS_DIRECTIO is not set +# CONFIG_NFSD is not set +CONFIG_ROOT_NFS=y +CONFIG_LOCKD=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +# CONFIG_MAC_PARTITION is not set +CONFIG_MSDOS_PARTITION=y +# CONFIG_BSD_DISKLABEL is not set +# CONFIG_MINIX_SUBPARTITION is not set +# CONFIG_SOLARIS_X86_PARTITION is not set +# CONFIG_UNIXWARE_DISKLABEL is not set +# CONFIG_LDM_PARTITION is not set +# CONFIG_SGI_PARTITION is not set +# CONFIG_ULTRIX_PARTITION is not set +# CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set +# CONFIG_EFI_PARTITION is not set + +# +# Native Language Support +# +# CONFIG_NLS is not set + +# +# Distributed Lock Manager +# +# CONFIG_DLM is not set +# CONFIG_UCC_SLOW is not set +# CONFIG_UCC_FAST is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +CONFIG_CRC32=y +# CONFIG_LIBCRC32C is not set +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y + +# +# Instrumentation Support +# +# CONFIG_PROFILING is not set +# CONFIG_KPROBES is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_MAGIC_SYSRQ=y +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_INFO is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_LIST is not set +CONFIG_FORCED_INLINING=y +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_DEBUG_STACKOVERFLOW is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_DEBUG_PAGEALLOC is not set +CONFIG_DEBUGGER=y +CONFIG_XMON=y +CONFIG_XMON_DEFAULT=y +CONFIG_XMON_DISASSEMBLY=y +# CONFIG_BDI_SWITCH is not set +# CONFIG_BOOTX_TEXT is not set +# CONFIG_PPC_EARLY_DEBUG is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set + +# +# Cryptographic options +# +# CONFIG_CRYPTO is not set diff --git a/arch/powerpc/configs/mpc832x_mds_defconfig b/arch/powerpc/configs/mpc832x_mds_defconfig index e1b36de6b38c..83192c0dc5bb 100644 --- a/arch/powerpc/configs/mpc832x_mds_defconfig +++ b/arch/powerpc/configs/mpc832x_mds_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.20-rc5 -# Tue Jan 30 14:27:25 2007 +# Linux kernel version: 2.6.21-rc5 +# Mon Apr 9 16:09:16 2007 # # CONFIG_PPC64 is not set CONFIG_PPC32=y @@ -34,9 +34,9 @@ CONFIG_DEFAULT_UIMAGE=y CONFIG_PPC_83xx=y # CONFIG_PPC_85xx is not set # CONFIG_PPC_86xx is not set +# CONFIG_PPC_8xx is not set # CONFIG_40x is not set # CONFIG_44x is not set -# CONFIG_8xx is not set # CONFIG_E200 is not set CONFIG_6xx=y CONFIG_83xx=y @@ -63,6 +63,7 @@ CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y # CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set @@ -71,6 +72,7 @@ CONFIG_SYSVIPC=y # CONFIG_IKCONFIG is not set CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set +CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y @@ -123,16 +125,17 @@ CONFIG_DEFAULT_AS=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="anticipatory" CONFIG_QUICC_ENGINE=y -CONFIG_PPC_GEN550=y # CONFIG_WANT_EARLY_SERIAL is not set # # Platform support # +# CONFIG_MPC8313_RDB is not set CONFIG_MPC832x_MDS=y -# CONFIG_MPC834x_SYS is not set +# CONFIG_MPC832x_RDB is not set +# CONFIG_MPC834x_MDS is not set # CONFIG_MPC834x_ITX is not set -# CONFIG_MPC8360E_PB is not set +# CONFIG_MPC836x_MDS is not set CONFIG_PPC_MPC832x=y # CONFIG_MPIC is not set @@ -163,6 +166,7 @@ CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 CONFIG_PROC_DEVICETREE=y # CONFIG_CMDLINE_BOOL is not set # CONFIG_PM is not set @@ -172,6 +176,7 @@ CONFIG_ISA_DMA_API=y # # Bus options # +CONFIG_ZONE_DMA=y CONFIG_GENERIC_ISA_DMA=y # CONFIG_MPIC_WEIRD is not set # CONFIG_PPC_I8259 is not set @@ -220,6 +225,7 @@ CONFIG_UNIX=y CONFIG_XFRM=y # CONFIG_XFRM_USER is not set # CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set # CONFIG_NET_KEY is not set CONFIG_INET=y CONFIG_IP_MULTICAST=y @@ -324,6 +330,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -342,7 +349,6 @@ CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=32768 CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 -CONFIG_BLK_DEV_INITRD=y # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set @@ -482,7 +488,21 @@ CONFIG_NETDEVICES=y # # PHY device support # -# CONFIG_PHYLIB is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +CONFIG_DAVICOM_PHY=y +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_FIXED_PHY is not set # # Ethernet (10 or 100Mbit) @@ -524,11 +544,13 @@ CONFIG_UCC_GETH=y # CONFIG_UGETH_FILTERING is not set # CONFIG_UGETH_TX_ON_DEMOND is not set # CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) # # CONFIG_CHELSIO_T1 is not set +# CONFIG_CHELSIO_T3 is not set # CONFIG_IXGB is not set # CONFIG_S2IO is not set # CONFIG_MYRI10GE is not set @@ -621,6 +643,7 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4 CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_JSM is not set +# CONFIG_SERIAL_OF_PLATFORM is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -691,6 +714,7 @@ CONFIG_I2C_MPC=y # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_OCORES is not set # CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_PASEMI is not set # CONFIG_I2C_PROSAVAGE is not set # CONFIG_I2C_SAVAGE4 is not set # CONFIG_I2C_SIS5595 is not set @@ -738,6 +762,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set # CONFIG_SENSORS_ASB100 is not set @@ -779,6 +804,11 @@ CONFIG_HWMON=y # CONFIG_HWMON_DEBUG_CHIP is not set # +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -791,10 +821,9 @@ CONFIG_HWMON=y # # Graphics support # -CONFIG_FIRMWARE_EDID=y +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # CONFIG_FB is not set # CONFIG_FB_IBM_GXT4500 is not set -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -805,6 +834,7 @@ CONFIG_FIRMWARE_EDID=y # HID Devices # CONFIG_HID=y +# CONFIG_HID_DEBUG is not set # # USB support @@ -869,6 +899,10 @@ CONFIG_USB_ARCH_HAS_EHCI=y # # +# Auxiliary Display support +# + +# # Virtualization # @@ -995,11 +1029,7 @@ CONFIG_PARTITION_ADVANCED=y # Distributed Lock Manager # # CONFIG_DLM is not set - -# -# QE Options -# -CONFIG_UCC_SLOW=y +# CONFIG_UCC_SLOW is not set CONFIG_UCC_FAST=y CONFIG_UCC=y @@ -1012,7 +1042,8 @@ CONFIG_BITREVERSE=y CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_PLIST=y -CONFIG_IOMAP_COPY=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y # # Instrumentation Support @@ -1032,7 +1063,6 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set # CONFIG_BOOTX_TEXT is not set -# CONFIG_SERIAL_TEXT_DEBUG is not set # CONFIG_PPC_EARLY_DEBUG is not set # @@ -1061,8 +1091,10 @@ CONFIG_CRYPTO_MD5=y # CONFIG_CRYPTO_GF128MUL is not set CONFIG_CRYPTO_ECB=m CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_PCBC=m # CONFIG_CRYPTO_LRW is not set CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set # CONFIG_CRYPTO_BLOWFISH is not set # CONFIG_CRYPTO_TWOFISH is not set # CONFIG_CRYPTO_SERPENT is not set @@ -1076,6 +1108,7 @@ CONFIG_CRYPTO_DES=y # CONFIG_CRYPTO_DEFLATE is not set # CONFIG_CRYPTO_MICHAEL_MIC is not set # CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_CAMELLIA is not set # CONFIG_CRYPTO_TEST is not set # diff --git a/arch/powerpc/configs/mpc832x_rdb_defconfig b/arch/powerpc/configs/mpc832x_rdb_defconfig index 56fc0a824458..4a4da875fa4e 100644 --- a/arch/powerpc/configs/mpc832x_rdb_defconfig +++ b/arch/powerpc/configs/mpc832x_rdb_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.21-rc3 -# Mon Mar 12 17:32:19 2007 +# Linux kernel version: 2.6.21-rc5 +# Mon Apr 9 16:12:43 2007 # # CONFIG_PPC64 is not set CONFIG_PPC32=y @@ -125,7 +125,6 @@ CONFIG_DEFAULT_AS=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="anticipatory" CONFIG_QUICC_ENGINE=y -CONFIG_PPC_GEN550=y # CONFIG_WANT_EARLY_SERIAL is not set # @@ -490,7 +489,21 @@ CONFIG_NETDEVICES=y # # PHY device support # -# CONFIG_PHYLIB is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +CONFIG_ICPLUS_PHY=y +# CONFIG_FIXED_PHY is not set # # Ethernet (10 or 100Mbit) @@ -1200,11 +1213,7 @@ CONFIG_NLS_ISO8859_1=y # Distributed Lock Manager # # CONFIG_DLM is not set - -# -# QE Options -# -CONFIG_UCC_SLOW=y +# CONFIG_UCC_SLOW is not set CONFIG_UCC_FAST=y CONFIG_UCC=y @@ -1238,7 +1247,6 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set # CONFIG_BOOTX_TEXT is not set -# CONFIG_SERIAL_TEXT_DEBUG is not set # CONFIG_PPC_EARLY_DEBUG is not set # diff --git a/arch/powerpc/configs/mpc836x_mds_defconfig b/arch/powerpc/configs/mpc836x_mds_defconfig index 8eb475cd0df0..921a151dc778 100644 --- a/arch/powerpc/configs/mpc836x_mds_defconfig +++ b/arch/powerpc/configs/mpc836x_mds_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.20 -# Sat Feb 17 10:09:26 2007 +# Linux kernel version: 2.6.21-rc5 +# Mon Apr 9 16:14:05 2007 # # CONFIG_PPC64 is not set CONFIG_PPC32=y @@ -72,6 +72,7 @@ CONFIG_SYSVIPC_SYSCTL=y # CONFIG_IKCONFIG is not set CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set +CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y @@ -124,7 +125,6 @@ CONFIG_DEFAULT_AS=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="anticipatory" CONFIG_QUICC_ENGINE=y -CONFIG_PPC_GEN550=y # CONFIG_WANT_EARLY_SERIAL is not set # @@ -132,6 +132,7 @@ CONFIG_PPC_GEN550=y # # CONFIG_MPC8313_RDB is not set # CONFIG_MPC832x_MDS is not set +# CONFIG_MPC832x_RDB is not set # CONFIG_MPC834x_MDS is not set # CONFIG_MPC834x_ITX is not set CONFIG_MPC836x_MDS=y @@ -328,6 +329,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -346,7 +348,6 @@ CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=32768 CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 -CONFIG_BLK_DEV_INITRD=y # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set @@ -486,7 +487,21 @@ CONFIG_NETDEVICES=y # # PHY device support # -# CONFIG_PHYLIB is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +CONFIG_MARVELL_PHY=y +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_FIXED_PHY is not set # # Ethernet (10 or 100Mbit) @@ -528,6 +543,7 @@ CONFIG_UCC_GETH=y # CONFIG_UGETH_FILTERING is not set # CONFIG_UGETH_TX_ON_DEMOND is not set # CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -745,6 +761,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set # CONFIG_SENSORS_ASB100 is not set @@ -786,6 +803,11 @@ CONFIG_HWMON=y # CONFIG_HWMON_DEBUG_CHIP is not set # +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -798,10 +820,9 @@ CONFIG_HWMON=y # # Graphics support # -CONFIG_FIRMWARE_EDID=y +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # CONFIG_FB is not set # CONFIG_FB_IBM_GXT4500 is not set -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -1007,11 +1028,7 @@ CONFIG_PARTITION_ADVANCED=y # Distributed Lock Manager # # CONFIG_DLM is not set - -# -# QE Options -# -CONFIG_UCC_SLOW=y +# CONFIG_UCC_SLOW is not set CONFIG_UCC_FAST=y CONFIG_UCC=y @@ -1045,7 +1062,6 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set # CONFIG_BOOTX_TEXT is not set -# CONFIG_SERIAL_TEXT_DEBUG is not set # CONFIG_PPC_EARLY_DEBUG is not set # diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig index 0345a2ceec59..fd604968f9a2 100644 --- a/arch/powerpc/configs/ps3_defconfig +++ b/arch/powerpc/configs/ps3_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.20-rc6 -# Thu Jan 25 13:35:34 2007 +# Linux kernel version: 2.6.21 +# Mon Apr 30 12:03:35 2007 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -60,6 +60,7 @@ CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y # CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set @@ -69,6 +70,7 @@ CONFIG_SYSVIPC=y # CONFIG_CPUSETS is not set CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set +CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y @@ -131,13 +133,36 @@ CONFIG_PPC_MULTIPLATFORM=y # CONFIG_PPC_PSERIES is not set # CONFIG_PPC_ISERIES is not set # CONFIG_PPC_MPC52xx is not set +# CONFIG_PPC_MPC5200 is not set # CONFIG_PPC_PMAC is not set # CONFIG_PPC_MAPLE is not set # CONFIG_PPC_PASEMI is not set +# CONFIG_PPC_CELLEB is not set +CONFIG_PPC_PS3=y + +# +# PS3 Platform Options +# +# CONFIG_PS3_ADVANCED is not set +CONFIG_PS3_HTAB_SIZE=20 +# CONFIG_PS3_DYNAMIC_DMA is not set +CONFIG_PS3_USE_LPAR_ADDR=y +CONFIG_PS3_VUART=y +CONFIG_PS3_PS3AV=y +CONFIG_PS3_SYS_MANAGER=y CONFIG_PPC_CELL=y # CONFIG_PPC_CELL_NATIVE is not set # CONFIG_PPC_IBM_CELL_BLADE is not set -CONFIG_PPC_PS3=y + +# +# Cell Broadband Engine options +# +CONFIG_SPU_FS=y +CONFIG_SPU_BASE=y +# CONFIG_PQ2ADS is not set +# CONFIG_MPIC is not set +# CONFIG_MPIC_WEIRD is not set +# CONFIG_PPC_I8259 is not set # CONFIG_U3_DART is not set # CONFIG_PPC_RTAS is not set # CONFIG_MMIO_NVRAM is not set @@ -146,24 +171,7 @@ CONFIG_PPC_PS3=y # CONFIG_PPC_INDIRECT_IO is not set # CONFIG_GENERIC_IOMAP is not set # CONFIG_CPU_FREQ is not set -# CONFIG_WANT_EARLY_SERIAL is not set -# CONFIG_MPIC is not set - -# -# Cell Broadband Engine options -# -CONFIG_SPU_FS=y -CONFIG_SPU_BASE=y -# CONFIG_CBE_RAS is not set - -# -# PS3 Platform Options -# -CONFIG_PS3_HTAB_SIZE=20 -# CONFIG_PS3_DYNAMIC_DMA is not set -CONFIG_PS3_USE_LPAR_ADDR=y -CONFIG_PS3_VUART=y -CONFIG_PS3_PS3AV=y +# CONFIG_CPM2 is not set # # Kernel options @@ -179,10 +187,10 @@ CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT_BKL is not set CONFIG_BINFMT_ELF=y CONFIG_BINFMT_MISC=y -CONFIG_FORCE_MAX_ZONEORDER=9 +CONFIG_FORCE_MAX_ZONEORDER=13 # CONFIG_IOMMU_VMERGE is not set CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y -# CONFIG_KEXEC is not set +CONFIG_KEXEC=y # CONFIG_CRASH_DUMP is not set # CONFIG_IRQ_ALL_CPUS is not set # CONFIG_NUMA is not set @@ -203,22 +211,22 @@ CONFIG_MEMORY_HOTPLUG=y CONFIG_MEMORY_HOTPLUG_SPARSE=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_RESOURCES_64BIT=y +CONFIG_ZONE_DMA_FLAG=1 CONFIG_ARCH_MEMORY_PROBE=y -CONFIG_PPC_64K_PAGES=y +# CONFIG_PPC_64K_PAGES is not set # CONFIG_SCHED_SMT is not set CONFIG_PROC_DEVICETREE=y -CONFIG_CMDLINE_BOOL=y -CONFIG_CMDLINE="root=/dev/sda1 ip=dhcp" +# CONFIG_CMDLINE_BOOL is not set # CONFIG_PM is not set # CONFIG_SECCOMP is not set +# CONFIG_WANT_DEVICE_TREE is not set CONFIG_ISA_DMA_API=y # # Bus options # +CONFIG_ZONE_DMA=y CONFIG_GENERIC_ISA_DMA=y -# CONFIG_MPIC_WEIRD is not set -# CONFIG_PPC_I8259 is not set # CONFIG_PCI is not set # CONFIG_PCI_DOMAINS is not set @@ -240,10 +248,13 @@ CONFIG_NET=y # # Networking options # -# CONFIG_NETDEBUG is not set CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set # CONFIG_NET_KEY is not set CONFIG_INET=y # CONFIG_IP_MULTICAST is not set @@ -261,7 +272,7 @@ CONFIG_IP_PNP_DHCP=y # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set # CONFIG_INET_XFRM_TUNNEL is not set -# CONFIG_INET_TUNNEL is not set +CONFIG_INET_TUNNEL=y # CONFIG_INET_XFRM_MODE_TRANSPORT is not set # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set @@ -270,9 +281,23 @@ CONFIG_IP_PNP_DHCP=y CONFIG_TCP_CONG_CUBIC=y CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_TCP_MD5SIG is not set -# CONFIG_IPV6 is not set +CONFIG_IPV6=y +# CONFIG_IPV6_PRIVACY is not set +# CONFIG_IPV6_ROUTER_PREF is not set +# CONFIG_IPV6_OPTIMISTIC_DAD is not set +# CONFIG_INET6_AH is not set +# CONFIG_INET6_ESP is not set +# CONFIG_INET6_IPCOMP is not set +# CONFIG_IPV6_MIP6 is not set # CONFIG_INET6_XFRM_TUNNEL is not set # CONFIG_INET6_TUNNEL is not set +CONFIG_INET6_XFRM_MODE_TRANSPORT=y +CONFIG_INET6_XFRM_MODE_TUNNEL=y +CONFIG_INET6_XFRM_MODE_BEET=y +# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set +CONFIG_IPV6_SIT=y +# CONFIG_IPV6_TUNNEL is not set +# CONFIG_IPV6_MULTIPLE_TABLES is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETFILTER is not set @@ -313,7 +338,31 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_NET_PKTGEN is not set # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set -# CONFIG_BT is not set +CONFIG_BT=m +CONFIG_BT_L2CAP=m +CONFIG_BT_SCO=m +CONFIG_BT_RFCOMM=m +# CONFIG_BT_RFCOMM_TTY is not set +# CONFIG_BT_BNEP is not set +CONFIG_BT_HIDP=m + +# +# Bluetooth device drivers +# +CONFIG_BT_HCIUSB=m +CONFIG_BT_HCIUSB_SCO=y +# CONFIG_BT_HCIUART is not set +# CONFIG_BT_HCIBCM203X is not set +# CONFIG_BT_HCIBPA10X is not set +# CONFIG_BT_HCIBFUSB is not set +# CONFIG_BT_HCIVHCI is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +CONFIG_WIRELESS_EXT=y # CONFIG_IEEE80211 is not set # @@ -327,16 +376,13 @@ CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y # CONFIG_FW_LOADER is not set # CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set # CONFIG_SYS_HYPERVISOR is not set # # Connector - unified userspace <-> kernelspace linker # # CONFIG_CONNECTOR is not set - -# -# Memory Technology Devices (MTD) -# # CONFIG_MTD is not set # @@ -347,24 +393,27 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices # # CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_COW_COMMON is not set -# CONFIG_BLK_DEV_LOOP is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set # CONFIG_BLK_DEV_NBD is not set # CONFIG_BLK_DEV_UB is not set -# CONFIG_BLK_DEV_RAM is not set -# CONFIG_BLK_DEV_INITRD is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=65535 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set # # Misc devices # -# CONFIG_TIFM_CORE is not set # # ATA/ATAPI/MFM/RLL support @@ -388,7 +437,7 @@ CONFIG_BLK_DEV_SD=y # CONFIG_CHR_DEV_OSST is not set CONFIG_BLK_DEV_SR=y # CONFIG_BLK_DEV_SR_VENDOR is not set -# CONFIG_CHR_DEV_SG is not set +CONFIG_CHR_DEV_SG=m # CONFIG_CHR_DEV_SCH is not set # @@ -413,6 +462,7 @@ CONFIG_BLK_DEV_SR=y # # CONFIG_ISCSI_TCP is not set # CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_ESP_CORE is not set # # Serial ATA (prod) and Parallel ATA (experimental) drivers @@ -460,7 +510,7 @@ CONFIG_NETDEVICES=y # Ethernet (10 or 100Mbit) # # CONFIG_NET_ETHERNET is not set -CONFIG_MII=y +CONFIG_MII=m # # Ethernet (1000 Mbit) @@ -475,9 +525,10 @@ CONFIG_MII=y # # -# Wireless LAN (non-hamradio) +# Wireless LAN # -# CONFIG_NET_RADIO is not set +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set # # Wan interfaces @@ -551,7 +602,8 @@ CONFIG_HW_CONSOLE=y # Non-8250 serial port support # CONFIG_UNIX98_PTYS=y -# CONFIG_LEGACY_PTYS is not set +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=16 # # IPMI @@ -598,6 +650,11 @@ CONFIG_GEN_RTC=y # CONFIG_HWMON_VID is not set # +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -611,15 +668,22 @@ CONFIG_GEN_RTC=y # # Graphics support # -# CONFIG_FIRMWARE_EDID is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_SVGALIB is not set # CONFIG_FB_MACMODES is not set # CONFIG_FB_BACKLIGHT is not set # CONFIG_FB_MODE_HELPERS is not set # CONFIG_FB_TILEBLITTING is not set + +# +# Frame buffer hardware drivers +# # CONFIG_FB_OF is not set # CONFIG_FB_VGA16 is not set # CONFIG_FB_S1D13XXX is not set @@ -634,7 +698,7 @@ CONFIG_FB_PS3_DEFAULT_SIZE_M=18 # CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE=y -# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set +CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y # CONFIG_FONTS is not set CONFIG_FONT_8x8=y CONFIG_FONT_8x16=y @@ -646,17 +710,62 @@ CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set CONFIG_LOGO_LINUX_CLUT224=y -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound # -# CONFIG_SOUND is not set +CONFIG_SOUND=y + +# +# Advanced Linux Sound Architecture +# +CONFIG_SND=y +# CONFIG_SND_SEQUENCER is not set +# CONFIG_SND_MIXER_OSS is not set +# CONFIG_SND_PCM_OSS is not set +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +CONFIG_SND_VERBOSE_PROCFS=y +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set + +# +# Generic devices +# +# CONFIG_SND_DUMMY is not set +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set + +# +# ALSA PowerMac devices +# + +# +# ALSA PowerMac requires I2C +# + +# +# USB devices +# +# CONFIG_SND_USB_AUDIO is not set +# CONFIG_SND_USB_USX2Y is not set + +# +# SoC audio support +# +# CONFIG_SND_SOC is not set + +# +# Open Sound System +# +# CONFIG_SOUND_PRIME is not set # # HID Devices # CONFIG_HID=y +# CONFIG_HID_DEBUG is not set # # USB support @@ -665,13 +774,13 @@ CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y CONFIG_USB_ARCH_HAS_EHCI=y CONFIG_USB=y -CONFIG_USB_DEBUG=y +# CONFIG_USB_DEBUG is not set # # Miscellaneous USB options # -# CONFIG_USB_DEVICEFS is not set -# CONFIG_USB_BANDWIDTH is not set +CONFIG_USB_DEVICEFS=y +# CONFIG_USB_DEVICE_CLASS is not set # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_OTG is not set @@ -704,7 +813,7 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y # # may also be needed; see USB_STORAGE Help for more information # -CONFIG_USB_STORAGE=y +CONFIG_USB_STORAGE=m # CONFIG_USB_STORAGE_DEBUG is not set # CONFIG_USB_STORAGE_DATAFAB is not set # CONFIG_USB_STORAGE_FREECOM is not set @@ -720,10 +829,16 @@ CONFIG_USB_STORAGE=y # # USB Input Devices # -CONFIG_USB_HID=y +CONFIG_USB_HID=m # CONFIG_USB_HIDINPUT_POWERBOOK is not set # CONFIG_HID_FF is not set # CONFIG_USB_HIDDEV is not set + +# +# USB HID Boot Protocol drivers +# +# CONFIG_USB_KBD is not set +# CONFIG_USB_MOUSE is not set # CONFIG_USB_AIPTEK is not set # CONFIG_USB_WACOM is not set # CONFIG_USB_ACECAD is not set @@ -736,6 +851,7 @@ CONFIG_USB_HID=y # CONFIG_USB_ATI_REMOTE2 is not set # CONFIG_USB_KEYSPAN_REMOTE is not set # CONFIG_USB_APPLETOUCH is not set +# CONFIG_USB_GTCO is not set # # USB Imaging devices @@ -748,15 +864,16 @@ CONFIG_USB_HID=y # # CONFIG_USB_CATC is not set # CONFIG_USB_KAWETH is not set -# CONFIG_USB_PEGASUS is not set +CONFIG_USB_PEGASUS=m # CONFIG_USB_RTL8150 is not set -CONFIG_USB_USBNET_MII=y -CONFIG_USB_USBNET=y -CONFIG_USB_NET_CDCETHER=y +CONFIG_USB_USBNET_MII=m +CONFIG_USB_USBNET=m +# CONFIG_USB_NET_CDCETHER is not set +# CONFIG_USB_NET_DM9601 is not set # CONFIG_USB_NET_GL620A is not set # CONFIG_USB_NET_NET1080 is not set # CONFIG_USB_NET_PLUSB is not set -CONFIG_USB_NET_MCS7830=y +CONFIG_USB_NET_MCS7830=m # CONFIG_USB_NET_RNDIS_HOST is not set # CONFIG_USB_NET_CDC_SUBSET is not set # CONFIG_USB_NET_ZAURUS is not set @@ -781,6 +898,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -791,6 +909,8 @@ CONFIG_USB_MON=y # CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_LD is not set # CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set # # USB DSL modem support @@ -846,13 +966,19 @@ CONFIG_USB_MON=y # # +# Auxiliary Display support +# + +# # Virtualization # # # File systems # -# CONFIG_EXT2_FS is not set +CONFIG_EXT2_FS=m +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y # CONFIG_EXT3_FS_POSIX_ACL is not set @@ -871,27 +997,30 @@ CONFIG_FS_MBCACHE=y # CONFIG_ROMFS_FS is not set CONFIG_INOTIFY=y CONFIG_INOTIFY_USER=y -# CONFIG_QUOTA is not set +CONFIG_QUOTA=y +# CONFIG_QFMT_V1 is not set +CONFIG_QFMT_V2=y +CONFIG_QUOTACTL=y CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set -# CONFIG_AUTOFS4_FS is not set +CONFIG_AUTOFS4_FS=y # CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems # -CONFIG_ISO9660_FS=y +CONFIG_ISO9660_FS=m CONFIG_JOLIET=y # CONFIG_ZISOFS is not set -CONFIG_UDF_FS=y +CONFIG_UDF_FS=m CONFIG_UDF_NLS=y # # DOS/FAT/NT Filesystems # -CONFIG_FAT_FS=y +CONFIG_FAT_FS=m # CONFIG_MSDOS_FS is not set -CONFIG_VFAT_FS=y +CONFIG_VFAT_FS=m CONFIG_FAT_DEFAULT_CODEPAGE=437 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_NTFS_FS is not set @@ -933,7 +1062,7 @@ CONFIG_RAMFS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y # CONFIG_NFS_V3_ACL is not set -# CONFIG_NFS_V4 is not set +CONFIG_NFS_V4=y # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y @@ -941,10 +1070,16 @@ CONFIG_LOCKD=y CONFIG_LOCKD_V4=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y -# CONFIG_RPCSEC_GSS_KRB5 is not set +CONFIG_SUNRPC_GSS=y +CONFIG_RPCSEC_GSS_KRB5=y # CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set -# CONFIG_CIFS is not set +CONFIG_CIFS=m +# CONFIG_CIFS_STATS is not set +# CONFIG_CIFS_WEAK_PW_HASH is not set +# CONFIG_CIFS_XATTR is not set +# CONFIG_CIFS_DEBUG2 is not set +# CONFIG_CIFS_EXPERIMENTAL is not set # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set @@ -1004,6 +1139,8 @@ CONFIG_NLS_ISO8859_1=y # Distributed Lock Manager # # CONFIG_DLM is not set +# CONFIG_UCC_SLOW is not set +# CONFIG_UCC_FAST is not set # # Library routines @@ -1014,7 +1151,8 @@ CONFIG_BITREVERSE=y CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_PLIST=y -CONFIG_IOMAP_COPY=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y # # Instrumentation Support @@ -1032,16 +1170,16 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_FS is not set # CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set CONFIG_LOG_BUF_SHIFT=17 CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set -CONFIG_DEBUG_SLAB=y -# CONFIG_DEBUG_SLAB_LEAK is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_SLAB is not set # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_RT_MUTEX_TESTER is not set CONFIG_DEBUG_SPINLOCK=y CONFIG_DEBUG_MUTEXES=y -CONFIG_DEBUG_RWSEMS=y CONFIG_DEBUG_SPINLOCK_SLEEP=y # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_KOBJECT is not set @@ -1051,8 +1189,10 @@ CONFIG_DEBUG_INFO=y CONFIG_DEBUG_LIST=y CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_FAULT_INJECTION is not set CONFIG_DEBUG_STACKOVERFLOW=y # CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_DEBUG_PAGEALLOC is not set # CONFIG_DEBUGGER is not set CONFIG_IRQSTACKS=y # CONFIG_BOOTX_TEXT is not set @@ -1063,6 +1203,8 @@ CONFIG_PPC_EARLY_DEBUG=y # CONFIG_PPC_EARLY_DEBUG_RTAS_CONSOLE is not set # CONFIG_PPC_EARLY_DEBUG_MAPLE is not set # CONFIG_PPC_EARLY_DEBUG_ISERIES is not set +# CONFIG_PPC_EARLY_DEBUG_PAS_REALMODE is not set +# CONFIG_PPC_EARLY_DEBUG_BEAT is not set # # Security options @@ -1073,4 +1215,43 @@ CONFIG_PPC_EARLY_DEBUG=y # # Cryptographic options # -# CONFIG_CRYPTO is not set +CONFIG_CRYPTO=y +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_MANAGER=y +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_WP512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_GF128MUL is not set +CONFIG_CRYPTO_ECB=m +CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_PCBC=m +# CONFIG_CRYPTO_LRW is not set +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_TWOFISH is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Hardware crypto devices +# diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index aa693d0f151a..3e779f07f21b 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -36,8 +36,9 @@ obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o obj-$(CONFIG_CRASH_DUMP) += crash_dump.o obj-$(CONFIG_6xx) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o obj-$(CONFIG_TAU) += tau_6xx.o +obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o suspend.o obj32-$(CONFIG_SOFTWARE_SUSPEND) += swsusp_32.o -obj-$(CONFIG_SOFTWARE_SUSPEND) += suspend.o +obj64-$(CONFIG_SOFTWARE_SUSPEND) += swsusp_64.o swsusp_asm64.o obj32-$(CONFIG_MODULES) += module_32.o ifeq ($(CONFIG_PPC_MERGE),y) @@ -67,6 +68,7 @@ obj-$(CONFIG_MODULES) += $(module-y) pci64-$(CONFIG_PPC64) += pci_64.o pci_dn.o pci32-$(CONFIG_PPC32) := pci_32.o obj-$(CONFIG_PCI) += $(pci64-y) $(pci32-y) +obj-$(CONFIG_PCI_MSI) += msi.o kexec-$(CONFIG_PPC64) := machine_kexec_64.o kexec-$(CONFIG_PPC32) := machine_kexec_32.o obj-$(CONFIG_KEXEC) += machine_kexec.o crash.o $(kexec-y) diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 0c5150c69175..2cb1d9487796 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -21,12 +21,12 @@ #include <linux/types.h> #include <linux/mman.h> #include <linux/mm.h> +#include <linux/suspend.h> #ifdef CONFIG_PPC64 #include <linux/time.h> #include <linux/hardirq.h> #else #include <linux/ptrace.h> -#include <linux/suspend.h> #endif #include <asm/io.h> @@ -58,7 +58,7 @@ int main(void) #ifdef CONFIG_PPC64 DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context)); #else - DEFINE(THREAD_INFO, offsetof(struct task_struct, thread_info)); + DEFINE(THREAD_INFO, offsetof(struct task_struct, stack)); DEFINE(PTRACE, offsetof(struct task_struct, ptrace)); #endif /* CONFIG_PPC64 */ @@ -122,12 +122,18 @@ int main(void) DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache)); DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr)); DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id)); - DEFINE(PACACONTEXTSLLP, offsetof(struct paca_struct, context.sllp)); DEFINE(PACAVMALLOCSLLP, offsetof(struct paca_struct, vmalloc_sllp)); -#ifdef CONFIG_HUGETLB_PAGE - DEFINE(PACALOWHTLBAREAS, offsetof(struct paca_struct, context.low_htlb_areas)); - DEFINE(PACAHIGHHTLBAREAS, offsetof(struct paca_struct, context.high_htlb_areas)); -#endif /* CONFIG_HUGETLB_PAGE */ +#ifdef CONFIG_PPC_MM_SLICES + DEFINE(PACALOWSLICESPSIZE, offsetof(struct paca_struct, + context.low_slices_psize)); + DEFINE(PACAHIGHSLICEPSIZE, offsetof(struct paca_struct, + context.high_slices_psize)); + DEFINE(MMUPSIZEDEFSIZE, sizeof(struct mmu_psize_def)); + DEFINE(MMUPSIZESLLP, offsetof(struct mmu_psize_def, sllp)); +#else + DEFINE(PACACONTEXTSLLP, offsetof(struct paca_struct, context.sllp)); + +#endif /* CONFIG_PPC_MM_SLICES */ DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen)); DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc)); DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb)); @@ -257,11 +263,11 @@ int main(void) DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup)); DEFINE(CPU_SPEC_RESTORE, offsetof(struct cpu_spec, cpu_restore)); -#ifndef CONFIG_PPC64 DEFINE(pbe_address, offsetof(struct pbe, address)); DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address)); DEFINE(pbe_next, offsetof(struct pbe, next)); +#ifndef CONFIG_PPC64 DEFINE(TASK_SIZE, TASK_SIZE); DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); #endif /* ! CONFIG_PPC64 */ diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index a15d4b8cce48..88695963f587 100644 --- a/arch/powerpc/kernel/head_44x.S +++ b/arch/powerpc/kernel/head_44x.S @@ -120,8 +120,8 @@ skpinv: addi r4,r4,1 /* Increment */ * Configure and load pinned entry into TLB slot 63. */ - lis r3,KERNELBASE@h /* Load the kernel virtual address */ - ori r3,r3,KERNELBASE@l + lis r3,PAGE_OFFSET@h + ori r3,r3,PAGE_OFFSET@l /* Kernel is at the base of RAM */ li r4, 0 /* Load the kernel physical address */ @@ -172,36 +172,28 @@ skpinv: addi r4,r4,1 /* Increment */ isync 4: -#ifdef CONFIG_SERIAL_TEXT_DEBUG - /* - * Add temporary UART mapping for early debug. - * We can map UART registers wherever we want as long as they don't - * interfere with other system mappings (e.g. with pinned entries). - * For an example of how we handle this - see ocotea.h. --ebs - */ +#ifdef CONFIG_PPC_EARLY_DEBUG_44x + /* Add UART mapping for early debug. */ + /* pageid fields */ - lis r3,UART0_IO_BASE@h - ori r3,r3,PPC44x_TLB_VALID | PPC44x_TLB_4K + lis r3,PPC44x_EARLY_DEBUG_VIRTADDR@h + ori r3,r3,PPC44x_TLB_VALID|PPC44x_TLB_TS|PPC44x_TLB_64K /* xlat fields */ - lis r4,UART0_PHYS_IO_BASE@h /* RPN depends on SoC */ -#ifndef CONFIG_440EP - ori r4,r4,0x0001 /* ERPN is 1 for second 4GB page */ -#endif + lis r4,CONFIG_PPC_EARLY_DEBUG_44x_PHYSLOW@h + ori r4,r4,CONFIG_PPC_EARLY_DEBUG_44x_PHYSHIGH /* attrib fields */ - li r5,0 - ori r5,r5,(PPC44x_TLB_SW | PPC44x_TLB_SR | PPC44x_TLB_I | PPC44x_TLB_G) + li r5,(PPC44x_TLB_SW|PPC44x_TLB_SR|PPC44x_TLB_I|PPC44x_TLB_G) + li r0,62 /* TLB slot 0 */ - li r0,0 /* TLB slot 0 */ - - tlbwe r3,r0,PPC44x_TLB_PAGEID /* Load the pageid fields */ - tlbwe r4,r0,PPC44x_TLB_XLAT /* Load the translation fields */ - tlbwe r5,r0,PPC44x_TLB_ATTRIB /* Load the attrib/access fields */ + tlbwe r3,r0,PPC44x_TLB_PAGEID + tlbwe r4,r0,PPC44x_TLB_XLAT + tlbwe r5,r0,PPC44x_TLB_ATTRIB /* Force context change */ isync -#endif /* CONFIG_SERIAL_TEXT_DEBUG */ +#endif /* CONFIG_PPC_EARLY_DEBUG_44x */ /* Establish the interrupt vector offsets */ SET_IVOR(0, CriticalInput); @@ -709,16 +701,6 @@ _GLOBAL(giveup_fpu) blr #endif -/* - * extern void abort(void) - * - * At present, this routine just applies a system reset. - */ -_GLOBAL(abort) - mfspr r13,SPRN_DBCR0 - oris r13,r13,DBCR0_RST_SYSTEM@h - mtspr SPRN_DBCR0,r13 - _GLOBAL(set_context) #ifdef CONFIG_BDI_SWITCH diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c index 6e7f50967bab..a9e9cbd32975 100644 --- a/arch/powerpc/kernel/idle.c +++ b/arch/powerpc/kernel/idle.c @@ -33,8 +33,11 @@ #include <asm/smp.h> #ifdef CONFIG_HOTPLUG_CPU +/* this is used for software suspend, and that shuts down + * CPUs even while the system is still booting... */ #define cpu_should_die() (cpu_is_offline(smp_processor_id()) && \ - system_state == SYSTEM_RUNNING) + (system_state == SYSTEM_RUNNING \ + || system_state == SYSTEM_BOOTING)) #else #define cpu_should_die() 0 #endif diff --git a/arch/powerpc/kernel/idle_power4.S b/arch/powerpc/kernel/idle_power4.S index ba3195478600..5328709eeedc 100644 --- a/arch/powerpc/kernel/idle_power4.S +++ b/arch/powerpc/kernel/idle_power4.S @@ -53,3 +53,24 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) isync b 1b +_GLOBAL(power4_cpu_offline_powersave) + /* Go to NAP now */ + mfmsr r7 + rldicl r0,r7,48,1 + rotldi r0,r0,16 + mtmsrd r0,1 /* hard-disable interrupts */ + li r0,1 + li r6,0 + stb r0,PACAHARDIRQEN(r13) /* we'll hard-enable shortly */ + stb r6,PACASOFTIRQEN(r13) /* soft-disable irqs */ +BEGIN_FTR_SECTION + DSSALL + sync +END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) + ori r7,r7,MSR_EE + oris r7,r7,MSR_POW@h + sync + isync + mtmsrd r7 + isync + blr diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 6c83fe229e60..9ed4931af164 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -67,6 +67,7 @@ #ifdef CONFIG_PPC64 #include <asm/paca.h> #include <asm/firmware.h> +#include <asm/lv1call.h> #endif int __irq_offset_value; @@ -162,6 +163,16 @@ void local_irq_restore(unsigned long en) local_paca->hard_enabled = en; if ((int)mfspr(SPRN_DEC) < 0) mtspr(SPRN_DEC, 1); + + /* + * Force the delivery of pending soft-disabled interrupts on PS3. + * Any HV call will have this side effect. + */ + if (firmware_has_feature(FW_FEATURE_PS3_LV1)) { + u64 tmp; + lv1_get_version_info(&tmp); + } + hard_irq_enable(); } #endif /* CONFIG_PPC64 */ @@ -947,33 +958,6 @@ arch_initcall(irq_late_init); #endif /* CONFIG_PPC_MERGE */ -#ifdef CONFIG_PCI_MSI -int pci_enable_msi(struct pci_dev * pdev) -{ - if (ppc_md.enable_msi) - return ppc_md.enable_msi(pdev); - else - return -1; -} -EXPORT_SYMBOL(pci_enable_msi); - -void pci_disable_msi(struct pci_dev * pdev) -{ - if (ppc_md.disable_msi) - ppc_md.disable_msi(pdev); -} -EXPORT_SYMBOL(pci_disable_msi); - -void pci_scan_msi_device(struct pci_dev *dev) {} -int pci_enable_msix(struct pci_dev* dev, struct msix_entry *entries, int nvec) {return -1;} -void pci_disable_msix(struct pci_dev *dev) {} -void msi_remove_pci_irq_vectors(struct pci_dev *dev) {} -void pci_no_msi(void) {} -EXPORT_SYMBOL(pci_enable_msix); -EXPORT_SYMBOL(pci_disable_msix); - -#endif - #ifdef CONFIG_PPC64 static int __init setup_noirqdistrib(char *str) { diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index ef647e7a9dc3..0c96611f02f4 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -30,8 +30,8 @@ #include <linux/ptrace.h> #include <linux/preempt.h> #include <linux/module.h> +#include <linux/kdebug.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> #include <asm/sstep.h> #include <asm/uaccess.h> @@ -126,22 +126,13 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs, } /* Called with kretprobe_lock held */ -void __kprobes arch_prepare_kretprobe(struct kretprobe *rp, +void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) { - struct kretprobe_instance *ri; - - if ((ri = get_free_rp_inst(rp)) != NULL) { - ri->rp = rp; - ri->task = current; - ri->ret_addr = (kprobe_opcode_t *)regs->link; - - /* Replace the return addr with trampoline addr */ - regs->link = (unsigned long)kretprobe_trampoline; - add_rp_inst(ri); - } else { - rp->nmissed++; - } + ri->ret_addr = (kprobe_opcode_t *)regs->link; + + /* Replace the return addr with trampoline addr */ + regs->link = (unsigned long)kretprobe_trampoline; } static int __kprobes kprobe_handler(struct pt_regs *regs) @@ -336,7 +327,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) break; } - BUG_ON(!orig_ret_address || (orig_ret_address == trampoline_address)); + kretprobe_assert(ri, orig_ret_address, trampoline_address); regs->nip = orig_ret_address; reset_current_kprobe(); @@ -410,7 +401,7 @@ out: return 1; } -static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) +int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) { struct kprobe *cur = kprobe_running(); struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); @@ -495,14 +486,6 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self, if (post_kprobe_handler(args->regs)) ret = NOTIFY_STOP; break; - case DIE_PAGE_FAULT: - /* kprobe_running() needs smp_processor_id() */ - preempt_disable(); - if (kprobe_running() && - kprobe_fault_handler(args->regs, args->trapnr)) - ret = NOTIFY_STOP; - preempt_enable(); - break; default: break; } @@ -559,3 +542,11 @@ int __init arch_init_kprobes(void) { return register_kprobe(&trampoline_p); } + +int __kprobes arch_trampoline_kprobe(struct kprobe *p) +{ + if (p->addr == (kprobe_opcode_t *)&kretprobe_trampoline) + return 1; + + return 0; +} diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index ae4836ea7442..cea8045ba40b 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -244,9 +244,9 @@ static int __init add_legacy_pci_port(struct device_node *np, * doesn't work for these settings, you'll have to add your own special * cases here */ - if (device_is_compatible(pci_dev, "pci13a8,152") || - device_is_compatible(pci_dev, "pci13a8,154") || - device_is_compatible(pci_dev, "pci13a8,158")) { + if (of_device_is_compatible(pci_dev, "pci13a8,152") || + of_device_is_compatible(pci_dev, "pci13a8,154") || + of_device_is_compatible(pci_dev, "pci13a8,158")) { addr += 0x200 * lindex; base += 0x200 * lindex; } else { @@ -365,11 +365,11 @@ void __init find_legacy_serial_ports(void) /* Check for known pciclass, and also check wether we have * a device with child nodes for ports or not */ - if (device_is_compatible(np, "pciclass,0700") || - device_is_compatible(np, "pciclass,070002")) + if (of_device_is_compatible(np, "pciclass,0700") || + of_device_is_compatible(np, "pciclass,070002")) pci = np; - else if (device_is_compatible(parent, "pciclass,0700") || - device_is_compatible(parent, "pciclass,070002")) + else if (of_device_is_compatible(parent, "pciclass,0700") || + of_device_is_compatible(parent, "pciclass,070002")) pci = parent; else { of_node_put(parent); diff --git a/arch/powerpc/kernel/lparmap.c b/arch/powerpc/kernel/lparmap.c index 584d1e3c013d..af11285ffbd1 100644 --- a/arch/powerpc/kernel/lparmap.c +++ b/arch/powerpc/kernel/lparmap.c @@ -10,7 +10,8 @@ #include <asm/pgtable.h> #include <asm/iseries/lpar_map.h> -const struct LparMap __attribute__((__section__(".text"))) xLparMap = { +/* The # is to stop gcc trying to make .text nonexecutable */ +const struct LparMap __attribute__((__section__(".text #"))) xLparMap = { .xNumberEsids = HvEsidsToMap, .xNumberRanges = HvRangesToMap, .xSegmentTableOffs = STAB0_PAGE, diff --git a/arch/powerpc/kernel/msi.c b/arch/powerpc/kernel/msi.c new file mode 100644 index 000000000000..c62d1012c013 --- /dev/null +++ b/arch/powerpc/kernel/msi.c @@ -0,0 +1,38 @@ +/* + * Copyright 2006-2007, Michael Ellerman, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/msi.h> + +#include <asm/machdep.h> + +int arch_msi_check_device(struct pci_dev* dev, int nvec, int type) +{ + if (!ppc_md.setup_msi_irqs || !ppc_md.teardown_msi_irqs) { + pr_debug("msi: Platform doesn't provide MSI callbacks.\n"); + return -ENOSYS; + } + + if (ppc_md.msi_check_device) { + pr_debug("msi: Using platform check routine.\n"); + return ppc_md.msi_check_device(dev, nvec, type); + } + + return 0; +} + +int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) +{ + return ppc_md.setup_msi_irqs(dev, nvec, type); +} + +void arch_teardown_msi_irqs(struct pci_dev *dev) +{ + return ppc_md.teardown_msi_irqs(dev); +} diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c index 0c8ea7659d92..a464d67248df 100644 --- a/arch/powerpc/kernel/of_device.c +++ b/arch/powerpc/kernel/of_device.c @@ -27,7 +27,7 @@ const struct of_device_id *of_match_node(const struct of_device_id *matches, match &= node->type && !strcmp(matches->type, node->type); if (matches->compatible[0]) - match &= device_is_compatible(node, + match &= of_device_is_compatible(node, matches->compatible); if (match) return matches; @@ -120,8 +120,8 @@ void of_device_unregister(struct of_device *ofdev) } -static ssize_t of_device_get_modalias(struct of_device *ofdev, - char *str, ssize_t len) +ssize_t of_device_get_modalias(struct of_device *ofdev, + char *str, ssize_t len) { const char *compat; int cplen, i; @@ -239,3 +239,4 @@ EXPORT_SYMBOL(of_dev_get); EXPORT_SYMBOL(of_dev_put); EXPORT_SYMBOL(of_release_dev); EXPORT_SYMBOL(of_device_uevent); +EXPORT_SYMBOL(of_device_get_modalias); diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c index 908ed7926db4..84c34d979a88 100644 --- a/arch/powerpc/kernel/of_platform.c +++ b/arch/powerpc/kernel/of_platform.c @@ -29,7 +29,6 @@ #include <asm/ppc-pci.h> #include <asm/atomic.h> - /* * The list of OF IDs below is used for matching bus types in the * system whose devices are to be exposed as of_platform_devices. diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index f022862de344..e66064b5093a 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -1658,7 +1658,7 @@ pgprot_t pci_phys_mem_access_prot(struct file *file, int i; if (page_is_ram(pfn)) - return prot; + return __pgprot(prot); prot |= _PAGE_NO_CACHE | _PAGE_GUARDED; diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index 7138092826aa..6d05a1f377b5 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -1006,8 +1006,9 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose, switch ((pci_space >> 24) & 0x3) { case 1: /* I/O space */ - hose->io_base_phys = cpu_phys_addr; - hose->pci_io_size = size; + hose->io_base_phys = cpu_phys_addr - pci_addr; + /* handle from 0 to top of I/O window */ + hose->pci_io_size = pci_addr + size; res = &hose->io_resource; res->flags = IORESOURCE_IO; @@ -1117,8 +1118,8 @@ static int get_bus_io_range(struct pci_bus *bus, unsigned long *start_phys, } else { /* Root Bus */ res = &hose->io_resource; - *start_phys = hose->io_base_phys; - *start_virt = (unsigned long) hose->io_base_virt; + *start_phys = hose->io_base_phys + res->start; + *start_virt = (unsigned long) hose->io_base_virt + res->start; if (res->end > res->start) *size = res->end - res->start + 1; else { diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index ff252aaead12..c96fa9bd35a4 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -66,7 +66,6 @@ EXPORT_SYMBOL(clear_pages); EXPORT_SYMBOL(ISA_DMA_THRESHOLD); EXPORT_SYMBOL(DMA_MODE_READ); EXPORT_SYMBOL(DMA_MODE_WRITE); -EXPORT_SYMBOL(__div64_32); EXPORT_SYMBOL(do_signal); EXPORT_SYMBOL(transfer_to_handler); diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index e509aae2feb3..6e2f03566b0d 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -19,7 +19,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index e27d9d1b6e67..d6047c441034 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -635,6 +635,12 @@ static void __init early_cmdline_parse(void) /* ibm,dynamic-reconfiguration-memory property supported */ #define OV5_DRCONF_MEMORY 0x20 #define OV5_LARGE_PAGES 0x10 /* large pages supported */ +/* PCIe/MSI support. Without MSI full PCIe is not supported */ +#ifdef CONFIG_PCI_MSI +#define OV5_MSI 0x01 /* PCIe/MSI support */ +#else +#define OV5_MSI 0x00 +#endif /* CONFIG_PCI_MSI */ /* * The architecture vector has an array of PVR mask/value pairs, @@ -679,7 +685,7 @@ static unsigned char ibm_architecture_vec[] = { /* option vector 5: PAPR/OF options */ 3 - 2, /* length */ 0, /* don't ignore, don't halt */ - OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY, + OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY | OV5_MSI, }; /* Old method - ELF header with PT_NOTE sections */ @@ -967,7 +973,7 @@ static unsigned long __init prom_next_cell(int s, cell_t **cellp) * If problems seem to show up, it would be a good start to track * them down. */ -static void reserve_mem(u64 base, u64 size) +static void __init reserve_mem(u64 base, u64 size) { u64 top = base + size; unsigned long cnt = RELOC(mem_reserve_cnt); @@ -2153,7 +2159,7 @@ static void __init fixup_device_tree_efika(void) 3,12,0, 3,13,0, 3,14,0, 3,15,0 }; struct subst_entry efika_subst_table[] = { { "/", "device_type", prop_cstr("efika") }, - { "/builtin", "compatible", prop_cstr("soc") }, + { "/builtin", "device_type", prop_cstr("soc") }, { "/builtin/ata", "compatible", prop_cstr("mpc5200b-ata\0mpc5200-ata"), }, { "/builtin/bestcomm", "compatible", prop_cstr("mpc5200b-bestcomm\0mpc5200-bestcomm") }, { "/builtin/bestcomm", "interrupts", prop_bcomm_irq, sizeof(prop_bcomm_irq) }, diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index aa40a5307294..b5c96af955c6 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -1042,3 +1042,28 @@ const void *of_get_mac_address(struct device_node *np) } EXPORT_SYMBOL(of_get_mac_address); +int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) +{ + int irq = irq_of_parse_and_map(dev, index); + + /* Only dereference the resource if both the + * resource and the irq are valid. */ + if (r && irq != NO_IRQ) { + r->start = r->end = irq; + r->flags = IORESOURCE_IRQ; + } + + return irq; +} +EXPORT_SYMBOL_GPL(of_irq_to_resource); + +void __iomem *of_iomap(struct device_node *np, int index) +{ + struct resource res; + + if (of_address_to_resource(np, index, &res)) + return NULL; + + return ioremap(res.start, 1 + res.end - res.start); +} +EXPORT_SYMBOL(of_iomap); diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index cc44c7b975aa..f4f391cdd8f5 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -19,7 +19,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 6b405a3f43f9..dd1dca5bfa81 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -20,7 +20,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index f72e8e823d78..1ce0ae3f6ffc 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -15,7 +15,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index d8e503b2e1af..22f1ef1b3100 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -176,10 +176,10 @@ static struct call_data_struct { #define SMP_CALL_TIMEOUT 8 /* - * This function sends a 'generic call function' IPI to all other CPUs - * in the system. + * These functions send a 'generic call function' IPI to other online + * CPUS in the system. * - * [SUMMARY] Run a function on all other CPUs. + * [SUMMARY] Run a function on other CPUs. * <func> The function to run. This must be fast and non-blocking. * <info> An arbitrary pointer to pass to the function. * <nonatomic> currently unused. @@ -190,18 +190,26 @@ static struct call_data_struct { * You must not call this function with disabled interrupts or from a * hardware interrupt handler or from a bottom half handler. */ -int smp_call_function (void (*func) (void *info), void *info, int nonatomic, - int wait) -{ +int smp_call_function_map(void (*func) (void *info), void *info, int nonatomic, + int wait, cpumask_t map) +{ struct call_data_struct data; - int ret = -1, cpus; + int ret = -1, num_cpus; + int cpu; u64 timeout; /* Can deadlock when called with interrupts disabled */ WARN_ON(irqs_disabled()); + /* remove 'self' from the map */ + if (cpu_isset(smp_processor_id(), map)) + cpu_clear(smp_processor_id(), map); + + /* sanity check the map, remove any non-online processors. */ + cpus_and(map, map, cpu_online_map); + if (unlikely(smp_ops == NULL)) - return -1; + return ret; data.func = func; data.info = info; @@ -213,40 +221,42 @@ int smp_call_function (void (*func) (void *info), void *info, int nonatomic, spin_lock(&call_lock); /* Must grab online cpu count with preempt disabled, otherwise * it can change. */ - cpus = num_online_cpus() - 1; - if (!cpus) { + num_cpus = num_online_cpus() - 1; + if (!num_cpus || cpus_empty(map)) { ret = 0; goto out; } call_data = &data; smp_wmb(); - /* Send a message to all other CPUs and wait for them to respond */ - smp_ops->message_pass(MSG_ALL_BUT_SELF, PPC_MSG_CALL_FUNCTION); + /* Send a message to all CPUs in the map */ + for_each_cpu_mask(cpu, map) + smp_ops->message_pass(cpu, PPC_MSG_CALL_FUNCTION); timeout = get_tb() + (u64) SMP_CALL_TIMEOUT * tb_ticks_per_sec; - /* Wait for response */ - while (atomic_read(&data.started) != cpus) { + /* Wait for indication that they have received the message */ + while (atomic_read(&data.started) != num_cpus) { HMT_low(); if (get_tb() >= timeout) { printk("smp_call_function on cpu %d: other cpus not " - "responding (%d)\n", smp_processor_id(), - atomic_read(&data.started)); + "responding (%d)\n", smp_processor_id(), + atomic_read(&data.started)); debugger(NULL); goto out; } } + /* optionally wait for the CPUs to complete */ if (wait) { - while (atomic_read(&data.finished) != cpus) { + while (atomic_read(&data.finished) != num_cpus) { HMT_low(); if (get_tb() >= timeout) { printk("smp_call_function on cpu %d: other " - "cpus not finishing (%d/%d)\n", - smp_processor_id(), - atomic_read(&data.finished), - atomic_read(&data.started)); + "cpus not finishing (%d/%d)\n", + smp_processor_id(), + atomic_read(&data.finished), + atomic_read(&data.started)); debugger(NULL); goto out; } @@ -262,8 +272,29 @@ int smp_call_function (void (*func) (void *info), void *info, int nonatomic, return ret; } +int smp_call_function(void (*func) (void *info), void *info, int nonatomic, + int wait) +{ + return smp_call_function_map(func,info,nonatomic,wait,cpu_online_map); +} EXPORT_SYMBOL(smp_call_function); +int smp_call_function_single(int cpu, void (*func) (void *info), void *info, int nonatomic, + int wait) +{ + cpumask_t map=CPU_MASK_NONE; + + if (!cpu_online(cpu)) + return -EINVAL; + + if (cpu == smp_processor_id()) + return -EBUSY; + + cpu_set(cpu, map); + return smp_call_function_map(func,info,nonatomic,wait,map); +} +EXPORT_SYMBOL(smp_call_function_single); + void smp_call_function_interrupt(void) { void (*func) (void *info); diff --git a/arch/powerpc/kernel/swsusp.c b/arch/powerpc/kernel/swsusp.c new file mode 100644 index 000000000000..064a7ba4f02c --- /dev/null +++ b/arch/powerpc/kernel/swsusp.c @@ -0,0 +1,43 @@ +/* + * Common powerpc suspend code for 32 and 64 bits + * + * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/sched.h> +#include <asm/suspend.h> +#include <asm/system.h> +#include <asm/current.h> +#include <asm/mmu_context.h> + +void save_processor_state(void) +{ + /* + * flush out all the special registers so we don't need + * to save them in the snapshot + */ + flush_fp_to_thread(current); + flush_altivec_to_thread(current); + flush_spe_to_thread(current); + +#ifdef CONFIG_PPC64 + hard_irq_disable(); +#endif + +} + +void restore_processor_state(void) +{ +#ifdef CONFIG_PPC32 + set_context(current->active_mm->context.id, current->active_mm->pgd); +#endif + +#ifdef CONFIG_PPC64 + hard_irq_enable(); +#endif +} diff --git a/arch/powerpc/kernel/swsusp_64.c b/arch/powerpc/kernel/swsusp_64.c new file mode 100644 index 000000000000..6f3f0697274e --- /dev/null +++ b/arch/powerpc/kernel/swsusp_64.c @@ -0,0 +1,24 @@ +/* + * PowerPC 64-bit swsusp implementation + * + * Copyright 2006 Johannes Berg <johannes@sipsolutions.net> + * + * GPLv2 + */ + +#include <asm/system.h> +#include <asm/iommu.h> +#include <linux/irq.h> +#include <linux/interrupt.h> + +void do_after_copyback(void) +{ + iommu_restore(); + touch_softlockup_watchdog(); + mb(); +} + +void _iommu_save(void) +{ + iommu_save(); +} diff --git a/arch/powerpc/kernel/swsusp_asm64.S b/arch/powerpc/kernel/swsusp_asm64.S new file mode 100644 index 000000000000..e092c3cbdb9b --- /dev/null +++ b/arch/powerpc/kernel/swsusp_asm64.S @@ -0,0 +1,228 @@ +/* + * PowerPC 64-bit swsusp implementation + * + * Copyright 2006 Johannes Berg <johannes@sipsolutions.net> + * + * GPLv2 + */ + +#include <linux/threads.h> +#include <asm/processor.h> +#include <asm/page.h> +#include <asm/cputable.h> +#include <asm/thread_info.h> +#include <asm/ppc_asm.h> +#include <asm/asm-offsets.h> + +/* + * Structure for storing CPU registers on the save area. + */ +#define SL_r1 0x00 /* stack pointer */ +#define SL_PC 0x08 +#define SL_MSR 0x10 +#define SL_SDR1 0x18 +#define SL_XER 0x20 +#define SL_TB 0x40 +#define SL_r2 0x48 +#define SL_CR 0x50 +#define SL_LR 0x58 +#define SL_r12 0x60 +#define SL_r13 0x68 +#define SL_r14 0x70 +#define SL_r15 0x78 +#define SL_r16 0x80 +#define SL_r17 0x88 +#define SL_r18 0x90 +#define SL_r19 0x98 +#define SL_r20 0xa0 +#define SL_r21 0xa8 +#define SL_r22 0xb0 +#define SL_r23 0xb8 +#define SL_r24 0xc0 +#define SL_r25 0xc8 +#define SL_r26 0xd0 +#define SL_r27 0xd8 +#define SL_r28 0xe0 +#define SL_r29 0xe8 +#define SL_r30 0xf0 +#define SL_r31 0xf8 +#define SL_SIZE SL_r31+8 + +/* these macros rely on the save area being + * pointed to by r11 */ +#define SAVE_SPECIAL(special) \ + mf##special r0 ;\ + std r0, SL_##special(r11) +#define RESTORE_SPECIAL(special) \ + ld r0, SL_##special(r11) ;\ + mt##special r0 +#define SAVE_REGISTER(reg) \ + std reg, SL_##reg(r11) +#define RESTORE_REGISTER(reg) \ + ld reg, SL_##reg(r11) + +/* space for storing cpu state */ + .section .data + .align 5 +swsusp_save_area: + .space SL_SIZE + + .section ".toc","aw" +swsusp_save_area_ptr: + .tc swsusp_save_area[TC],swsusp_save_area +restore_pblist_ptr: + .tc restore_pblist[TC],restore_pblist + + .section .text + .align 5 +_GLOBAL(swsusp_arch_suspend) + ld r11,swsusp_save_area_ptr@toc(r2) + SAVE_SPECIAL(LR) + SAVE_REGISTER(r1) + SAVE_SPECIAL(CR) + SAVE_SPECIAL(TB) + SAVE_REGISTER(r2) + SAVE_REGISTER(r12) + SAVE_REGISTER(r13) + SAVE_REGISTER(r14) + SAVE_REGISTER(r15) + SAVE_REGISTER(r16) + SAVE_REGISTER(r17) + SAVE_REGISTER(r18) + SAVE_REGISTER(r19) + SAVE_REGISTER(r20) + SAVE_REGISTER(r21) + SAVE_REGISTER(r22) + SAVE_REGISTER(r23) + SAVE_REGISTER(r24) + SAVE_REGISTER(r25) + SAVE_REGISTER(r26) + SAVE_REGISTER(r27) + SAVE_REGISTER(r28) + SAVE_REGISTER(r29) + SAVE_REGISTER(r30) + SAVE_REGISTER(r31) + SAVE_SPECIAL(MSR) + SAVE_SPECIAL(SDR1) + SAVE_SPECIAL(XER) + + /* we push the stack up 128 bytes but don't store the + * stack pointer on the stack like a real stackframe */ + addi r1,r1,-128 + + bl _iommu_save + bl swsusp_save + + /* restore LR */ + ld r11,swsusp_save_area_ptr@toc(r2) + RESTORE_SPECIAL(LR) + addi r1,r1,128 + + blr + +/* Resume code */ +_GLOBAL(swsusp_arch_resume) + /* Stop pending alitvec streams and memory accesses */ +BEGIN_FTR_SECTION + DSSALL +END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) + sync + + ld r12,restore_pblist_ptr@toc(r2) + ld r12,0(r12) + + cmpdi r12,0 + beq- nothing_to_copy + li r15,512 +copyloop: + ld r13,pbe_address(r12) + ld r14,pbe_orig_address(r12) + + mtctr r15 + li r10,0 +copy_page_loop: + ldx r0,r10,r13 + stdx r0,r10,r14 + addi r10,r10,8 + bdnz copy_page_loop + + ld r12,pbe_next(r12) + cmpdi r12,0 + bne+ copyloop +nothing_to_copy: + + /* flush caches */ + lis r3, 0x10 + mtctr r3 + li r3, 0 + ori r3, r3, CONFIG_KERNEL_START>>48 + li r0, 48 + sld r3, r3, r0 + li r0, 0 +1: + dcbf r0,r3 + addi r3,r3,0x20 + bdnz 1b + + sync + + tlbia + + ld r11,swsusp_save_area_ptr@toc(r2) + + RESTORE_SPECIAL(CR) + + /* restore timebase */ + /* load saved tb */ + ld r1, SL_TB(r11) + /* get upper 32 bits of it */ + srdi r2, r1, 32 + /* clear tb lower to avoid wrap */ + li r0, 0 + mttbl r0 + /* set tb upper */ + mttbu r2 + /* set tb lower */ + mttbl r1 + + /* restore registers */ + RESTORE_REGISTER(r1) + RESTORE_REGISTER(r2) + RESTORE_REGISTER(r12) + RESTORE_REGISTER(r13) + RESTORE_REGISTER(r14) + RESTORE_REGISTER(r15) + RESTORE_REGISTER(r16) + RESTORE_REGISTER(r17) + RESTORE_REGISTER(r18) + RESTORE_REGISTER(r19) + RESTORE_REGISTER(r20) + RESTORE_REGISTER(r21) + RESTORE_REGISTER(r22) + RESTORE_REGISTER(r23) + RESTORE_REGISTER(r24) + RESTORE_REGISTER(r25) + RESTORE_REGISTER(r26) + RESTORE_REGISTER(r27) + RESTORE_REGISTER(r28) + RESTORE_REGISTER(r29) + RESTORE_REGISTER(r30) + RESTORE_REGISTER(r31) + /* can't use RESTORE_SPECIAL(MSR) */ + ld r0, SL_MSR(r11) + mtmsrd r0, 0 + RESTORE_SPECIAL(SDR1) + RESTORE_SPECIAL(XER) + + sync + + addi r1,r1,-128 + bl slb_flush_and_rebolt + bl do_after_copyback + addi r1,r1,128 + + ld r11,swsusp_save_area_ptr@toc(r2) + RESTORE_SPECIAL(LR) + + li r3, 0 + blr diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c index d358866b880f..fc6647d332cb 100644 --- a/arch/powerpc/kernel/syscalls.c +++ b/arch/powerpc/kernel/syscalls.c @@ -24,7 +24,6 @@ #include <linux/syscalls.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 933e214c33e8..68991c2d4a1b 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -342,10 +342,12 @@ static int __cpuinit sysfs_cpu_notify(struct notifier_block *self, switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: register_cpu_online(cpu); break; #ifdef CONFIG_HOTPLUG_CPU case CPU_DEAD: + case CPU_DEAD_FROZEN: unregister_cpu_online(cpu); break; #endif @@ -499,4 +501,4 @@ static int __init topology_init(void) return 0; } -__initcall(topology_init); +subsys_initcall(topology_init); diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index f7862224fe85..bf6445ac9f1c 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -33,8 +33,8 @@ #include <linux/kexec.h> #include <linux/backlight.h> #include <linux/bug.h> +#include <linux/kdebug.h> -#include <asm/kdebug.h> #include <asm/pgtable.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -72,20 +72,6 @@ EXPORT_SYMBOL(__debugger_dabr_match); EXPORT_SYMBOL(__debugger_fault_handler); #endif -ATOMIC_NOTIFIER_HEAD(powerpc_die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&powerpc_die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&powerpc_die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); - /* * Trap & Exception support */ diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c index 7e0971868fc2..87703df87509 100644 --- a/arch/powerpc/kernel/udbg.c +++ b/arch/powerpc/kernel/udbg.c @@ -51,6 +51,9 @@ void __init udbg_early_init(void) udbg_init_pas_realmode(); #elif defined(CONFIG_BOOTX_TEXT) udbg_init_btext(); +#elif defined(CONFIG_PPC_EARLY_DEBUG_44x) + /* PPC44x debug */ + udbg_init_44x_as1(); #endif } @@ -142,29 +145,22 @@ static void udbg_console_write(struct console *con, const char *s, static struct console udbg_console = { .name = "udbg", .write = udbg_console_write, - .flags = CON_PRINTBUFFER | CON_ENABLED, + .flags = CON_PRINTBUFFER | CON_ENABLED | CON_BOOT, .index = -1, }; static int early_console_initialized; -void __init disable_early_printk(void) -{ - if (!early_console_initialized) - return; - if (strstr(boot_command_line, "udbg-immortal")) { - printk(KERN_INFO "early console immortal !\n"); - return; - } - unregister_console(&udbg_console); - early_console_initialized = 0; -} - /* called by setup_system */ void register_early_udbg_console(void) { if (early_console_initialized) return; + + if (strstr(boot_command_line, "udbg-immortal")) { + printk(KERN_INFO "early console immortal !\n"); + udbg_console.flags &= ~CON_BOOT; + } early_console_initialized = 1; register_console(&udbg_console); } diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c index a963f657222b..7afab5bcd61a 100644 --- a/arch/powerpc/kernel/udbg_16550.c +++ b/arch/powerpc/kernel/udbg_16550.c @@ -191,3 +191,26 @@ void udbg_init_pas_realmode(void) udbg_getc_poll = NULL; } #endif /* CONFIG_PPC_MAPLE */ + +#ifdef CONFIG_PPC_EARLY_DEBUG_44x +#include <platforms/44x/44x.h> + +static void udbg_44x_as1_putc(char c) +{ + if (udbg_comport) { + while ((as1_readb(&udbg_comport->lsr) & LSR_THRE) == 0) + /* wait for idle */; + as1_writeb(c, &udbg_comport->thr); eieio(); + if (c == '\n') + udbg_44x_as1_putc('\r'); + } +} + +void __init udbg_init_44x_as1(void) +{ + udbg_comport = + (volatile struct NS16550 __iomem *)PPC44x_EARLY_DEBUG_VIRTADDR; + + udbg_putc = udbg_44x_as1_putc; +} +#endif /* CONFIG_PPC_EARLY_DEBUG_44x */ diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index e46c31b36641..4245579edb4e 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -14,7 +14,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/slab.h> diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index b2c1b67a10a7..62c1bc12ea39 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -117,7 +117,7 @@ static const struct vio_device_id *vio_match_device( { while (ids->type[0] != '\0') { if ((strncmp(dev->type, ids->type, strlen(ids->type)) == 0) && - device_is_compatible(dev->dev.archdata.of_node, + of_device_is_compatible(dev->dev.archdata.of_node, ids->compat)) return ids; ids++; diff --git a/arch/powerpc/lib/dma-noncoherent.c b/arch/powerpc/lib/dma-noncoherent.c index 48f3d13a3de5..6656d47841d0 100644 --- a/arch/powerpc/lib/dma-noncoherent.c +++ b/arch/powerpc/lib/dma-noncoherent.c @@ -306,13 +306,15 @@ EXPORT_SYMBOL(__dma_free_coherent); static int __init dma_alloc_init(void) { pgd_t *pgd; + pud_t *pud; pmd_t *pmd; pte_t *pte; int ret = 0; do { pgd = pgd_offset(&init_mm, CONSISTENT_BASE); - pmd = pmd_alloc(&init_mm, pgd, CONSISTENT_BASE); + pud = pud_alloc(&init_mm, pgd, CONSISTENT_BASE); + pmd = pmd_alloc(&init_mm, pud, CONSISTENT_BASE); if (!pmd) { printk(KERN_ERR "%s: no pmd tables\n", __func__); ret = -ENOMEM; diff --git a/arch/powerpc/mm/44x_mmu.c b/arch/powerpc/mm/44x_mmu.c index 0a0a0487b334..ca4dcb07a939 100644 --- a/arch/powerpc/mm/44x_mmu.c +++ b/arch/powerpc/mm/44x_mmu.c @@ -24,73 +24,38 @@ * */ -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/types.h> -#include <linux/ptrace.h> -#include <linux/mman.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/stddef.h> -#include <linux/vmalloc.h> #include <linux/init.h> -#include <linux/delay.h> -#include <linux/highmem.h> - -#include <asm/pgalloc.h> -#include <asm/prom.h> -#include <asm/io.h> -#include <asm/mmu_context.h> -#include <asm/pgtable.h> #include <asm/mmu.h> -#include <asm/uaccess.h> -#include <asm/smp.h> -#include <asm/bootx.h> -#include <asm/machdep.h> -#include <asm/setup.h> +#include <asm/system.h> +#include <asm/page.h> #include "mmu_decl.h" -extern char etext[], _stext[]; - /* Used by the 44x TLB replacement exception handler. * Just needed it declared someplace. */ -unsigned int tlb_44x_index = 0; -unsigned int tlb_44x_hwater = 62; +unsigned int tlb_44x_index; /* = 0 */ +unsigned int tlb_44x_hwater = PPC44x_TLB_SIZE - 1 - PPC44x_EARLY_TLBS; /* * "Pins" a 256MB TLB entry in AS0 for kernel lowmem */ -static void __init -ppc44x_pin_tlb(int slot, unsigned int virt, unsigned int phys) +static void __init ppc44x_pin_tlb(unsigned int virt, unsigned int phys) { - unsigned long attrib = 0; - - __asm__ __volatile__("\ - clrrwi %2,%2,10\n\ - ori %2,%2,%4\n\ - clrrwi %1,%1,10\n\ - li %0,0\n\ - ori %0,%0,%5\n\ - tlbwe %2,%3,%6\n\ - tlbwe %1,%3,%7\n\ - tlbwe %0,%3,%8" + __asm__ __volatile__( + "tlbwe %2,%3,%4\n" + "tlbwe %1,%3,%5\n" + "tlbwe %0,%3,%6\n" : - : "r" (attrib), "r" (phys), "r" (virt), "r" (slot), - "i" (PPC44x_TLB_VALID | PPC44x_TLB_256M), - "i" (PPC44x_TLB_SW | PPC44x_TLB_SR | PPC44x_TLB_SX | PPC44x_TLB_G), + : "r" (PPC44x_TLB_SW | PPC44x_TLB_SR | PPC44x_TLB_SX | PPC44x_TLB_G), + "r" (phys), + "r" (virt | PPC44x_TLB_VALID | PPC44x_TLB_256M), + "r" (tlb_44x_hwater--), /* slot for this TLB entry */ "i" (PPC44x_TLB_PAGEID), "i" (PPC44x_TLB_XLAT), "i" (PPC44x_TLB_ATTRIB)); } -/* - * MMU_init_hw does the chip-specific initialization of the MMU hardware. - */ void __init MMU_init_hw(void) { flush_instruction_cache(); @@ -98,22 +63,13 @@ void __init MMU_init_hw(void) unsigned long __init mmu_mapin_ram(void) { - unsigned int pinned_tlbs = 1; - int i; - - /* Determine number of entries necessary to cover lowmem */ - pinned_tlbs = (unsigned int) - (_ALIGN(total_lowmem, PPC_PIN_SIZE) >> PPC44x_PIN_SHIFT); - - /* Write upper watermark to save location */ - tlb_44x_hwater = PPC44x_LOW_SLOT - pinned_tlbs; + unsigned long addr; - /* If necessary, set additional pinned TLBs */ - if (pinned_tlbs > 1) - for (i = (PPC44x_LOW_SLOT-(pinned_tlbs-1)); i < PPC44x_LOW_SLOT; i++) { - unsigned int phys_addr = (PPC44x_LOW_SLOT-i) * PPC_PIN_SIZE; - ppc44x_pin_tlb(i, phys_addr+PAGE_OFFSET, phys_addr); - } + /* Pin in enough TLBs to cover any lowmem not covered by the + * initial 256M mapping established in head_44x.S */ + for (addr = PPC_PIN_SIZE; addr < total_lowmem; + addr += PPC_PIN_SIZE) + ppc44x_pin_tlb(addr + PAGE_OFFSET, addr); return total_lowmem; } diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile index 38a81967ca07..4f839c6a9768 100644 --- a/arch/powerpc/mm/Makefile +++ b/arch/powerpc/mm/Makefile @@ -18,4 +18,5 @@ obj-$(CONFIG_40x) += 4xx_mmu.o obj-$(CONFIG_44x) += 44x_mmu.o obj-$(CONFIG_FSL_BOOKE) += fsl_booke_mmu.o obj-$(CONFIG_NEED_MULTIPLE_NODES) += numa.o +obj-$(CONFIG_PPC_MM_SLICES) += slice.o obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 03aeb3a46077..bfe901353142 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -28,6 +28,7 @@ #include <linux/highmem.h> #include <linux/module.h> #include <linux/kprobes.h> +#include <linux/kdebug.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -36,40 +37,28 @@ #include <asm/system.h> #include <asm/uaccess.h> #include <asm/tlbflush.h> -#include <asm/kdebug.h> #include <asm/siginfo.h> -#ifdef CONFIG_KPROBES -ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain); -/* Hook to register for page fault notifications */ -int register_page_fault_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(¬ify_page_fault_chain, nb); -} - -int unregister_page_fault_notifier(struct notifier_block *nb) +#ifdef CONFIG_KPROBES +static inline int notify_page_fault(struct pt_regs *regs) { - return atomic_notifier_chain_unregister(¬ify_page_fault_chain, nb); -} + int ret = 0; + + /* kprobe_running() needs smp_processor_id() */ + if (!user_mode(regs)) { + preempt_disable(); + if (kprobe_running() && kprobe_fault_handler(regs, 11)) + ret = 1; + preempt_enable(); + } -static inline int notify_page_fault(enum die_val val, const char *str, - struct pt_regs *regs, long err, int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .str = str, - .err = err, - .trapnr = trap, - .signr = sig - }; - return atomic_notifier_call_chain(¬ify_page_fault_chain, val, &args); + return ret; } #else -static inline int notify_page_fault(enum die_val val, const char *str, - struct pt_regs *regs, long err, int trap, int sig) +static inline int notify_page_fault(struct pt_regs *regs) { - return NOTIFY_DONE; + return 0; } #endif @@ -175,8 +164,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address, is_write = error_code & ESR_DST; #endif /* CONFIG_4xx || CONFIG_BOOKE */ - if (notify_page_fault(DIE_PAGE_FAULT, "page_fault", regs, error_code, - 11, SIGSEGV) == NOTIFY_STOP) + if (notify_page_fault(regs)) return 0; if (trap == 0x300) { diff --git a/arch/powerpc/mm/hash_low_64.S b/arch/powerpc/mm/hash_low_64.S index e64ce3eec36e..4762ff7c14df 100644 --- a/arch/powerpc/mm/hash_low_64.S +++ b/arch/powerpc/mm/hash_low_64.S @@ -615,6 +615,9 @@ htab_pte_insert_failure: li r3,-1 b htab_bail +#endif /* CONFIG_PPC_64K_PAGES */ + +#ifdef CONFIG_PPC_HAS_HASH_64K /***************************************************************************** * * @@ -870,7 +873,7 @@ ht64_pte_insert_failure: b ht64_bail -#endif /* CONFIG_PPC_64K_PAGES */ +#endif /* CONFIG_PPC_HAS_HASH_64K */ /***************************************************************************** diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c index 79aedaf36f2b..7b7fe2d7b9dc 100644 --- a/arch/powerpc/mm/hash_native_64.c +++ b/arch/powerpc/mm/hash_native_64.c @@ -26,6 +26,7 @@ #include <asm/tlb.h> #include <asm/cputable.h> #include <asm/udbg.h> +#include <asm/kexec.h> #ifdef DEBUG_LOW #define DBG_LOW(fmt...) udbg_printf(fmt) @@ -340,31 +341,70 @@ static void native_hpte_invalidate(unsigned long slot, unsigned long va, local_irq_restore(flags); } -/* - * XXX This need fixing based on page size. It's only used by - * native_hpte_clear() for now which needs fixing too so they - * make a good pair... - */ -static unsigned long slot2va(unsigned long hpte_v, unsigned long slot) -{ - unsigned long avpn = HPTE_V_AVPN_VAL(hpte_v); - unsigned long va; +#define LP_SHIFT 12 +#define LP_BITS 8 +#define LP_MASK(i) ((0xFF >> (i)) << LP_SHIFT) - va = avpn << 23; +static void hpte_decode(hpte_t *hpte, unsigned long slot, + int *psize, unsigned long *va) +{ + unsigned long hpte_r = hpte->r; + unsigned long hpte_v = hpte->v; + unsigned long avpn; + int i, size, shift, penc, avpnm_bits; + + if (!(hpte_v & HPTE_V_LARGE)) + size = MMU_PAGE_4K; + else { + for (i = 0; i < LP_BITS; i++) { + if ((hpte_r & LP_MASK(i+1)) == LP_MASK(i+1)) + break; + } + penc = LP_MASK(i+1) >> LP_SHIFT; + for (size = 0; size < MMU_PAGE_COUNT; size++) { - if (! (hpte_v & HPTE_V_LARGE)) { - unsigned long vpi, pteg; + /* 4K pages are not represented by LP */ + if (size == MMU_PAGE_4K) + continue; - pteg = slot / HPTES_PER_GROUP; - if (hpte_v & HPTE_V_SECONDARY) - pteg = ~pteg; + /* valid entries have a shift value */ + if (!mmu_psize_defs[size].shift) + continue; - vpi = ((va >> 28) ^ pteg) & htab_hash_mask; + if (penc == mmu_psize_defs[size].penc) + break; + } + } - va |= vpi << PAGE_SHIFT; + /* + * FIXME, the code below works for 16M, 64K, and 4K pages as these + * fall under the p<=23 rules for calculating the virtual address. + * In the case of 16M pages, an extra bit is stolen from the AVPN + * field to achieve the requisite 24 bits. + * + * Does not work for 16G pages or 1 TB segments. + */ + shift = mmu_psize_defs[size].shift; + if (mmu_psize_defs[size].avpnm) + avpnm_bits = __ilog2_u64(mmu_psize_defs[size].avpnm) + 1; + else + avpnm_bits = 0; + if (shift - avpnm_bits <= 23) { + avpn = HPTE_V_AVPN_VAL(hpte_v) << 23; + + if (shift < 23) { + unsigned long vpi, pteg; + + pteg = slot / HPTES_PER_GROUP; + if (hpte_v & HPTE_V_SECONDARY) + pteg = ~pteg; + vpi = ((avpn >> 28) ^ pteg) & htab_hash_mask; + avpn |= (vpi << mmu_psize_defs[size].shift); + } } - return va; + *va = avpn; + *psize = size; } /* @@ -374,15 +414,14 @@ static unsigned long slot2va(unsigned long hpte_v, unsigned long slot) * * TODO: add batching support when enabled. remember, no dynamic memory here, * athough there is the control page available... - * - * XXX FIXME: 4k only for now ! */ static void native_hpte_clear(void) { unsigned long slot, slots, flags; hpte_t *hptep = htab_address; - unsigned long hpte_v; + unsigned long hpte_v, va; unsigned long pteg_count; + int psize; pteg_count = htab_hash_mask + 1; @@ -408,8 +447,9 @@ static void native_hpte_clear(void) * already hold the native_tlbie_lock. */ if (hpte_v & HPTE_V_VALID) { + hpte_decode(hptep, slot, &psize, &va); hptep->v = 0; - __tlbie(slot2va(hpte_v, slot), MMU_PAGE_4K); + __tlbie(va, psize); } } diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 49618461defb..028ba4ed03d2 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -51,6 +51,7 @@ #include <asm/cputable.h> #include <asm/abs_addr.h> #include <asm/sections.h> +#include <asm/spu.h> #ifdef DEBUG #define DBG(fmt...) udbg_printf(fmt) @@ -103,7 +104,7 @@ int mmu_ci_restrictions; #ifdef CONFIG_DEBUG_PAGEALLOC static u8 *linear_map_hash_slots; static unsigned long linear_map_hash_count; -static spinlock_t linear_map_hash_lock; +static DEFINE_SPINLOCK(linear_map_hash_lock); #endif /* CONFIG_DEBUG_PAGEALLOC */ /* There are definitions of page sizes arrays to be used when none @@ -419,7 +420,7 @@ static void __init htab_finish_init(void) extern unsigned int *htab_call_hpte_remove; extern unsigned int *htab_call_hpte_updatepp; -#ifdef CONFIG_PPC_64K_PAGES +#ifdef CONFIG_PPC_HAS_HASH_64K extern unsigned int *ht64_call_hpte_insert1; extern unsigned int *ht64_call_hpte_insert2; extern unsigned int *ht64_call_hpte_remove; @@ -596,22 +597,23 @@ unsigned int hash_page_do_lazy_icache(unsigned int pp, pte_t pte, int trap) * Demote a segment to using 4k pages. * For now this makes the whole process use 4k pages. */ -void demote_segment_4k(struct mm_struct *mm, unsigned long addr) -{ #ifdef CONFIG_PPC_64K_PAGES +static void demote_segment_4k(struct mm_struct *mm, unsigned long addr) +{ if (mm->context.user_psize == MMU_PAGE_4K) return; +#ifdef CONFIG_PPC_MM_SLICES + slice_set_user_psize(mm, MMU_PAGE_4K); +#else /* CONFIG_PPC_MM_SLICES */ mm->context.user_psize = MMU_PAGE_4K; mm->context.sllp = SLB_VSID_USER | mmu_psize_defs[MMU_PAGE_4K].sllp; - get_paca()->context = mm->context; - slb_flush_and_rebolt(); +#endif /* CONFIG_PPC_MM_SLICES */ + #ifdef CONFIG_SPE_BASE spu_flush_all_slbs(mm); #endif -#endif } - -EXPORT_SYMBOL_GPL(demote_segment_4k); +#endif /* CONFIG_PPC_64K_PAGES */ /* Result code is: * 0 - handled @@ -646,7 +648,11 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap) return 1; } vsid = get_vsid(mm->context.id, ea); +#ifdef CONFIG_PPC_MM_SLICES + psize = get_slice_psize(mm, ea); +#else psize = mm->context.user_psize; +#endif break; case VMALLOC_REGION_ID: mm = &init_mm; @@ -674,11 +680,22 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap) if (user_region && cpus_equal(mm->cpu_vm_mask, tmp)) local = 1; +#ifdef CONFIG_HUGETLB_PAGE /* Handle hugepage regions */ - if (unlikely(in_hugepage_area(mm->context, ea))) { + if (HPAGE_SHIFT && psize == mmu_huge_psize) { DBG_LOW(" -> huge page !\n"); return hash_huge_page(mm, access, ea, vsid, local, trap); } +#endif /* CONFIG_HUGETLB_PAGE */ + +#ifndef CONFIG_PPC_64K_PAGES + /* If we use 4K pages and our psize is not 4K, then we are hitting + * a special driver mapping, we need to align the address before + * we fetch the PTE + */ + if (psize != MMU_PAGE_4K) + ea &= ~((1ul << mmu_psize_defs[psize].shift) - 1); +#endif /* CONFIG_PPC_64K_PAGES */ /* Get PTE and page size from page tables */ ptep = find_linux_pte(pgdir, ea); @@ -702,54 +719,56 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap) } /* Do actual hashing */ -#ifndef CONFIG_PPC_64K_PAGES - rc = __hash_page_4K(ea, access, vsid, ptep, trap, local); -#else +#ifdef CONFIG_PPC_64K_PAGES /* If _PAGE_4K_PFN is set, make sure this is a 4k segment */ if (pte_val(*ptep) & _PAGE_4K_PFN) { demote_segment_4k(mm, ea); psize = MMU_PAGE_4K; } - if (mmu_ci_restrictions) { - /* If this PTE is non-cacheable, switch to 4k */ - if (psize == MMU_PAGE_64K && - (pte_val(*ptep) & _PAGE_NO_CACHE)) { - if (user_region) { - demote_segment_4k(mm, ea); - psize = MMU_PAGE_4K; - } else if (ea < VMALLOC_END) { - /* - * some driver did a non-cacheable mapping - * in vmalloc space, so switch vmalloc - * to 4k pages - */ - printk(KERN_ALERT "Reducing vmalloc segment " - "to 4kB pages because of " - "non-cacheable mapping\n"); - psize = mmu_vmalloc_psize = MMU_PAGE_4K; - } + /* If this PTE is non-cacheable and we have restrictions on + * using non cacheable large pages, then we switch to 4k + */ + if (mmu_ci_restrictions && psize == MMU_PAGE_64K && + (pte_val(*ptep) & _PAGE_NO_CACHE)) { + if (user_region) { + demote_segment_4k(mm, ea); + psize = MMU_PAGE_4K; + } else if (ea < VMALLOC_END) { + /* + * some driver did a non-cacheable mapping + * in vmalloc space, so switch vmalloc + * to 4k pages + */ + printk(KERN_ALERT "Reducing vmalloc segment " + "to 4kB pages because of " + "non-cacheable mapping\n"); + psize = mmu_vmalloc_psize = MMU_PAGE_4K; #ifdef CONFIG_SPE_BASE spu_flush_all_slbs(mm); #endif } - if (user_region) { - if (psize != get_paca()->context.user_psize) { - get_paca()->context = mm->context; - slb_flush_and_rebolt(); - } - } else if (get_paca()->vmalloc_sllp != - mmu_psize_defs[mmu_vmalloc_psize].sllp) { - get_paca()->vmalloc_sllp = - mmu_psize_defs[mmu_vmalloc_psize].sllp; + } + if (user_region) { + if (psize != get_paca()->context.user_psize) { + get_paca()->context.user_psize = + mm->context.user_psize; slb_flush_and_rebolt(); } + } else if (get_paca()->vmalloc_sllp != + mmu_psize_defs[mmu_vmalloc_psize].sllp) { + get_paca()->vmalloc_sllp = + mmu_psize_defs[mmu_vmalloc_psize].sllp; + slb_flush_and_rebolt(); } +#endif /* CONFIG_PPC_64K_PAGES */ + +#ifdef CONFIG_PPC_HAS_HASH_64K if (psize == MMU_PAGE_64K) rc = __hash_page_64K(ea, access, vsid, ptep, trap, local); else +#endif /* CONFIG_PPC_HAS_HASH_64K */ rc = __hash_page_4K(ea, access, vsid, ptep, trap, local); -#endif /* CONFIG_PPC_64K_PAGES */ #ifndef CONFIG_PPC_64K_PAGES DBG_LOW(" o-pte: %016lx\n", pte_val(*ptep)); @@ -772,42 +791,55 @@ void hash_preload(struct mm_struct *mm, unsigned long ea, unsigned long flags; int local = 0; - /* We don't want huge pages prefaulted for now - */ - if (unlikely(in_hugepage_area(mm->context, ea))) + BUG_ON(REGION_ID(ea) != USER_REGION_ID); + +#ifdef CONFIG_PPC_MM_SLICES + /* We only prefault standard pages for now */ + if (unlikely(get_slice_psize(mm, ea) != mm->context.user_psize)); return; +#endif DBG_LOW("hash_preload(mm=%p, mm->pgdir=%p, ea=%016lx, access=%lx," " trap=%lx\n", mm, mm->pgd, ea, access, trap); - /* Get PTE, VSID, access mask */ + /* Get Linux PTE if available */ pgdir = mm->pgd; if (pgdir == NULL) return; ptep = find_linux_pte(pgdir, ea); if (!ptep) return; + +#ifdef CONFIG_PPC_64K_PAGES + /* If either _PAGE_4K_PFN or _PAGE_NO_CACHE is set (and we are on + * a 64K kernel), then we don't preload, hash_page() will take + * care of it once we actually try to access the page. + * That way we don't have to duplicate all of the logic for segment + * page size demotion here + */ + if (pte_val(*ptep) & (_PAGE_4K_PFN | _PAGE_NO_CACHE)) + return; +#endif /* CONFIG_PPC_64K_PAGES */ + + /* Get VSID */ vsid = get_vsid(mm->context.id, ea); - /* Hash it in */ + /* Hash doesn't like irqs */ local_irq_save(flags); + + /* Is that local to this CPU ? */ mask = cpumask_of_cpu(smp_processor_id()); if (cpus_equal(mm->cpu_vm_mask, mask)) local = 1; -#ifndef CONFIG_PPC_64K_PAGES - __hash_page_4K(ea, access, vsid, ptep, trap, local); -#else - if (mmu_ci_restrictions) { - /* If this PTE is non-cacheable, switch to 4k */ - if (mm->context.user_psize == MMU_PAGE_64K && - (pte_val(*ptep) & _PAGE_NO_CACHE)) - demote_segment_4k(mm, ea); - } + + /* Hash it in */ +#ifdef CONFIG_PPC_HAS_HASH_64K if (mm->context.user_psize == MMU_PAGE_64K) __hash_page_64K(ea, access, vsid, ptep, trap, local); else - __hash_page_4K(ea, access, vsid, ptep, trap, local); #endif /* CONFIG_PPC_64K_PAGES */ + __hash_page_4K(ea, access, vsid, ptep, trap, local); + local_irq_restore(flags); } diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 1f07f70ac89f..92a1b16fb7e3 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -12,7 +12,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/err.h> #include <linux/sysctl.h> @@ -92,7 +91,7 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr) pgd_t *pg; pud_t *pu; - BUG_ON(! in_hugepage_area(mm->context, addr)); + BUG_ON(get_slice_psize(mm, addr) != mmu_huge_psize); addr &= HPAGE_MASK; @@ -120,7 +119,7 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr) pud_t *pu; hugepd_t *hpdp = NULL; - BUG_ON(! in_hugepage_area(mm->context, addr)); + BUG_ON(get_slice_psize(mm, addr) != mmu_huge_psize); addr &= HPAGE_MASK; @@ -303,7 +302,7 @@ void hugetlb_free_pgd_range(struct mmu_gather **tlb, start = addr; pgd = pgd_offset((*tlb)->mm, addr); do { - BUG_ON(! in_hugepage_area((*tlb)->mm->context, addr)); + BUG_ON(get_slice_psize((*tlb)->mm, addr) != mmu_huge_psize); next = pgd_addr_end(addr, end); if (pgd_none_or_clear_bad(pgd)) continue; @@ -332,203 +331,13 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, return __pte(old); } -struct slb_flush_info { - struct mm_struct *mm; - u16 newareas; -}; - -static void flush_low_segments(void *parm) -{ - struct slb_flush_info *fi = parm; - unsigned long i; - - BUILD_BUG_ON((sizeof(fi->newareas)*8) != NUM_LOW_AREAS); - - if (current->active_mm != fi->mm) - return; - - /* Only need to do anything if this CPU is working in the same - * mm as the one which has changed */ - - /* update the paca copy of the context struct */ - get_paca()->context = current->active_mm->context; - - asm volatile("isync" : : : "memory"); - for (i = 0; i < NUM_LOW_AREAS; i++) { - if (! (fi->newareas & (1U << i))) - continue; - asm volatile("slbie %0" - : : "r" ((i << SID_SHIFT) | SLBIE_C)); - } - asm volatile("isync" : : : "memory"); -} - -static void flush_high_segments(void *parm) -{ - struct slb_flush_info *fi = parm; - unsigned long i, j; - - - BUILD_BUG_ON((sizeof(fi->newareas)*8) != NUM_HIGH_AREAS); - - if (current->active_mm != fi->mm) - return; - - /* Only need to do anything if this CPU is working in the same - * mm as the one which has changed */ - - /* update the paca copy of the context struct */ - get_paca()->context = current->active_mm->context; - - asm volatile("isync" : : : "memory"); - for (i = 0; i < NUM_HIGH_AREAS; i++) { - if (! (fi->newareas & (1U << i))) - continue; - for (j = 0; j < (1UL << (HTLB_AREA_SHIFT-SID_SHIFT)); j++) - asm volatile("slbie %0" - :: "r" (((i << HTLB_AREA_SHIFT) - + (j << SID_SHIFT)) | SLBIE_C)); - } - asm volatile("isync" : : : "memory"); -} - -static int prepare_low_area_for_htlb(struct mm_struct *mm, unsigned long area) -{ - unsigned long start = area << SID_SHIFT; - unsigned long end = (area+1) << SID_SHIFT; - struct vm_area_struct *vma; - - BUG_ON(area >= NUM_LOW_AREAS); - - /* Check no VMAs are in the region */ - vma = find_vma(mm, start); - if (vma && (vma->vm_start < end)) - return -EBUSY; - - return 0; -} - -static int prepare_high_area_for_htlb(struct mm_struct *mm, unsigned long area) -{ - unsigned long start = area << HTLB_AREA_SHIFT; - unsigned long end = (area+1) << HTLB_AREA_SHIFT; - struct vm_area_struct *vma; - - BUG_ON(area >= NUM_HIGH_AREAS); - - /* Hack, so that each addresses is controlled by exactly one - * of the high or low area bitmaps, the first high area starts - * at 4GB, not 0 */ - if (start == 0) - start = 0x100000000UL; - - /* Check no VMAs are in the region */ - vma = find_vma(mm, start); - if (vma && (vma->vm_start < end)) - return -EBUSY; - - return 0; -} - -static int open_low_hpage_areas(struct mm_struct *mm, u16 newareas) -{ - unsigned long i; - struct slb_flush_info fi; - - BUILD_BUG_ON((sizeof(newareas)*8) != NUM_LOW_AREAS); - BUILD_BUG_ON((sizeof(mm->context.low_htlb_areas)*8) != NUM_LOW_AREAS); - - newareas &= ~(mm->context.low_htlb_areas); - if (! newareas) - return 0; /* The segments we want are already open */ - - for (i = 0; i < NUM_LOW_AREAS; i++) - if ((1 << i) & newareas) - if (prepare_low_area_for_htlb(mm, i) != 0) - return -EBUSY; - - mm->context.low_htlb_areas |= newareas; - - /* the context change must make it to memory before the flush, - * so that further SLB misses do the right thing. */ - mb(); - - fi.mm = mm; - fi.newareas = newareas; - on_each_cpu(flush_low_segments, &fi, 0, 1); - - return 0; -} - -static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas) -{ - struct slb_flush_info fi; - unsigned long i; - - BUILD_BUG_ON((sizeof(newareas)*8) != NUM_HIGH_AREAS); - BUILD_BUG_ON((sizeof(mm->context.high_htlb_areas)*8) - != NUM_HIGH_AREAS); - - newareas &= ~(mm->context.high_htlb_areas); - if (! newareas) - return 0; /* The areas we want are already open */ - - for (i = 0; i < NUM_HIGH_AREAS; i++) - if ((1 << i) & newareas) - if (prepare_high_area_for_htlb(mm, i) != 0) - return -EBUSY; - - mm->context.high_htlb_areas |= newareas; - - /* the context change must make it to memory before the flush, - * so that further SLB misses do the right thing. */ - mb(); - - fi.mm = mm; - fi.newareas = newareas; - on_each_cpu(flush_high_segments, &fi, 0, 1); - - return 0; -} - -int prepare_hugepage_range(unsigned long addr, unsigned long len, pgoff_t pgoff) -{ - int err = 0; - - if (pgoff & (~HPAGE_MASK >> PAGE_SHIFT)) - return -EINVAL; - if (len & ~HPAGE_MASK) - return -EINVAL; - if (addr & ~HPAGE_MASK) - return -EINVAL; - - if (addr < 0x100000000UL) - err = open_low_hpage_areas(current->mm, - LOW_ESID_MASK(addr, len)); - if ((addr + len) > 0x100000000UL) - err = open_high_hpage_areas(current->mm, - HTLB_AREA_MASK(addr, len)); -#ifdef CONFIG_SPE_BASE - spu_flush_all_slbs(current->mm); -#endif - if (err) { - printk(KERN_DEBUG "prepare_hugepage_range(%lx, %lx)" - " failed (lowmask: 0x%04hx, highmask: 0x%04hx)\n", - addr, len, - LOW_ESID_MASK(addr, len), HTLB_AREA_MASK(addr, len)); - return err; - } - - return 0; -} - struct page * follow_huge_addr(struct mm_struct *mm, unsigned long address, int write) { pte_t *ptep; struct page *page; - if (! in_hugepage_area(mm->context, address)) + if (get_slice_psize(mm, address) != mmu_huge_psize) return ERR_PTR(-EINVAL); ptep = huge_pte_offset(mm, address); @@ -552,359 +361,13 @@ follow_huge_pmd(struct mm_struct *mm, unsigned long address, return NULL; } -/* Because we have an exclusive hugepage region which lies within the - * normal user address space, we have to take special measures to make - * non-huge mmap()s evade the hugepage reserved regions. */ -unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - unsigned long len, unsigned long pgoff, - unsigned long flags) -{ - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; - unsigned long start_addr; - - if (len > TASK_SIZE) - return -ENOMEM; - - /* handle fixed mapping: prevent overlap with huge pages */ - if (flags & MAP_FIXED) { - if (is_hugepage_only_range(mm, addr, len)) - return -EINVAL; - return addr; - } - - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); - if (((TASK_SIZE - len) >= addr) - && (!vma || (addr+len) <= vma->vm_start) - && !is_hugepage_only_range(mm, addr,len)) - return addr; - } - if (len > mm->cached_hole_size) { - start_addr = addr = mm->free_area_cache; - } else { - start_addr = addr = TASK_UNMAPPED_BASE; - mm->cached_hole_size = 0; - } - -full_search: - vma = find_vma(mm, addr); - while (TASK_SIZE - len >= addr) { - BUG_ON(vma && (addr >= vma->vm_end)); - - if (touches_hugepage_low_range(mm, addr, len)) { - addr = ALIGN(addr+1, 1<<SID_SHIFT); - vma = find_vma(mm, addr); - continue; - } - if (touches_hugepage_high_range(mm, addr, len)) { - addr = ALIGN(addr+1, 1UL<<HTLB_AREA_SHIFT); - vma = find_vma(mm, addr); - continue; - } - if (!vma || addr + len <= vma->vm_start) { - /* - * Remember the place where we stopped the search: - */ - mm->free_area_cache = addr + len; - return addr; - } - if (addr + mm->cached_hole_size < vma->vm_start) - mm->cached_hole_size = vma->vm_start - addr; - addr = vma->vm_end; - vma = vma->vm_next; - } - - /* Make sure we didn't miss any holes */ - if (start_addr != TASK_UNMAPPED_BASE) { - start_addr = addr = TASK_UNMAPPED_BASE; - mm->cached_hole_size = 0; - goto full_search; - } - return -ENOMEM; -} - -/* - * This mmap-allocator allocates new areas top-down from below the - * stack's low limit (the base): - * - * Because we have an exclusive hugepage region which lies within the - * normal user address space, we have to take special measures to make - * non-huge mmap()s evade the hugepage reserved regions. - */ -unsigned long -arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - const unsigned long len, const unsigned long pgoff, - const unsigned long flags) -{ - struct vm_area_struct *vma, *prev_vma; - struct mm_struct *mm = current->mm; - unsigned long base = mm->mmap_base, addr = addr0; - unsigned long largest_hole = mm->cached_hole_size; - int first_time = 1; - - /* requested length too big for entire address space */ - if (len > TASK_SIZE) - return -ENOMEM; - - /* handle fixed mapping: prevent overlap with huge pages */ - if (flags & MAP_FIXED) { - if (is_hugepage_only_range(mm, addr, len)) - return -EINVAL; - return addr; - } - - /* dont allow allocations above current base */ - if (mm->free_area_cache > base) - mm->free_area_cache = base; - - /* requesting a specific address */ - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); - if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start) - && !is_hugepage_only_range(mm, addr,len)) - return addr; - } - - if (len <= largest_hole) { - largest_hole = 0; - mm->free_area_cache = base; - } -try_again: - /* make sure it can fit in the remaining address space */ - if (mm->free_area_cache < len) - goto fail; - - /* either no address requested or cant fit in requested address hole */ - addr = (mm->free_area_cache - len) & PAGE_MASK; - do { -hugepage_recheck: - if (touches_hugepage_low_range(mm, addr, len)) { - addr = (addr & ((~0) << SID_SHIFT)) - len; - goto hugepage_recheck; - } else if (touches_hugepage_high_range(mm, addr, len)) { - addr = (addr & ((~0UL) << HTLB_AREA_SHIFT)) - len; - goto hugepage_recheck; - } - - /* - * Lookup failure means no vma is above this address, - * i.e. return with success: - */ - if (!(vma = find_vma_prev(mm, addr, &prev_vma))) - return addr; - - /* - * new region fits between prev_vma->vm_end and - * vma->vm_start, use it: - */ - if (addr+len <= vma->vm_start && - (!prev_vma || (addr >= prev_vma->vm_end))) { - /* remember the address as a hint for next time */ - mm->cached_hole_size = largest_hole; - return (mm->free_area_cache = addr); - } else { - /* pull free_area_cache down to the first hole */ - if (mm->free_area_cache == vma->vm_end) { - mm->free_area_cache = vma->vm_start; - mm->cached_hole_size = largest_hole; - } - } - - /* remember the largest hole we saw so far */ - if (addr + largest_hole < vma->vm_start) - largest_hole = vma->vm_start - addr; - - /* try just below the current vma->vm_start */ - addr = vma->vm_start-len; - } while (len <= vma->vm_start); - -fail: - /* - * if hint left us with no space for the requested - * mapping then try again: - */ - if (first_time) { - mm->free_area_cache = base; - largest_hole = 0; - first_time = 0; - goto try_again; - } - /* - * A failed mmap() very likely causes application failure, - * so fall back to the bottom-up function here. This scenario - * can happen with large stack limits and large mmap() - * allocations. - */ - mm->free_area_cache = TASK_UNMAPPED_BASE; - mm->cached_hole_size = ~0UL; - addr = arch_get_unmapped_area(filp, addr0, len, pgoff, flags); - /* - * Restore the topdown base: - */ - mm->free_area_cache = base; - mm->cached_hole_size = ~0UL; - - return addr; -} - -static int htlb_check_hinted_area(unsigned long addr, unsigned long len) -{ - struct vm_area_struct *vma; - - vma = find_vma(current->mm, addr); - if (TASK_SIZE - len >= addr && - (!vma || ((addr + len) <= vma->vm_start))) - return 0; - - return -ENOMEM; -} - -static unsigned long htlb_get_low_area(unsigned long len, u16 segmask) -{ - unsigned long addr = 0; - struct vm_area_struct *vma; - - vma = find_vma(current->mm, addr); - while (addr + len <= 0x100000000UL) { - BUG_ON(vma && (addr >= vma->vm_end)); /* invariant */ - - if (! __within_hugepage_low_range(addr, len, segmask)) { - addr = ALIGN(addr+1, 1<<SID_SHIFT); - vma = find_vma(current->mm, addr); - continue; - } - - if (!vma || (addr + len) <= vma->vm_start) - return addr; - addr = ALIGN(vma->vm_end, HPAGE_SIZE); - /* Depending on segmask this might not be a confirmed - * hugepage region, so the ALIGN could have skipped - * some VMAs */ - vma = find_vma(current->mm, addr); - } - - return -ENOMEM; -} - -static unsigned long htlb_get_high_area(unsigned long len, u16 areamask) -{ - unsigned long addr = 0x100000000UL; - struct vm_area_struct *vma; - - vma = find_vma(current->mm, addr); - while (addr + len <= TASK_SIZE_USER64) { - BUG_ON(vma && (addr >= vma->vm_end)); /* invariant */ - - if (! __within_hugepage_high_range(addr, len, areamask)) { - addr = ALIGN(addr+1, 1UL<<HTLB_AREA_SHIFT); - vma = find_vma(current->mm, addr); - continue; - } - - if (!vma || (addr + len) <= vma->vm_start) - return addr; - addr = ALIGN(vma->vm_end, HPAGE_SIZE); - /* Depending on segmask this might not be a confirmed - * hugepage region, so the ALIGN could have skipped - * some VMAs */ - vma = find_vma(current->mm, addr); - } - - return -ENOMEM; -} unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) { - int lastshift; - u16 areamask, curareas; - - if (HPAGE_SHIFT == 0) - return -EINVAL; - if (len & ~HPAGE_MASK) - return -EINVAL; - if (len > TASK_SIZE) - return -ENOMEM; - - if (!cpu_has_feature(CPU_FTR_16M_PAGE)) - return -EINVAL; - - /* Paranoia, caller should have dealt with this */ - BUG_ON((addr + len) < addr); - - /* Handle MAP_FIXED */ - if (flags & MAP_FIXED) { - if (prepare_hugepage_range(addr, len, pgoff)) - return -EINVAL; - return addr; - } - - if (test_thread_flag(TIF_32BIT)) { - curareas = current->mm->context.low_htlb_areas; - - /* First see if we can use the hint address */ - if (addr && (htlb_check_hinted_area(addr, len) == 0)) { - areamask = LOW_ESID_MASK(addr, len); - if (open_low_hpage_areas(current->mm, areamask) == 0) - return addr; - } - - /* Next see if we can map in the existing low areas */ - addr = htlb_get_low_area(len, curareas); - if (addr != -ENOMEM) - return addr; - - /* Finally go looking for areas to open */ - lastshift = 0; - for (areamask = LOW_ESID_MASK(0x100000000UL-len, len); - ! lastshift; areamask >>=1) { - if (areamask & 1) - lastshift = 1; - - addr = htlb_get_low_area(len, curareas | areamask); - if ((addr != -ENOMEM) - && open_low_hpage_areas(current->mm, areamask) == 0) - return addr; - } - } else { - curareas = current->mm->context.high_htlb_areas; - - /* First see if we can use the hint address */ - /* We discourage 64-bit processes from doing hugepage - * mappings below 4GB (must use MAP_FIXED) */ - if ((addr >= 0x100000000UL) - && (htlb_check_hinted_area(addr, len) == 0)) { - areamask = HTLB_AREA_MASK(addr, len); - if (open_high_hpage_areas(current->mm, areamask) == 0) - return addr; - } - - /* Next see if we can map in the existing high areas */ - addr = htlb_get_high_area(len, curareas); - if (addr != -ENOMEM) - return addr; - - /* Finally go looking for areas to open */ - lastshift = 0; - for (areamask = HTLB_AREA_MASK(TASK_SIZE_USER64-len, len); - ! lastshift; areamask >>=1) { - if (areamask & 1) - lastshift = 1; - - addr = htlb_get_high_area(len, curareas | areamask); - if ((addr != -ENOMEM) - && open_high_hpage_areas(current->mm, areamask) == 0) - return addr; - } - } - printk(KERN_DEBUG "hugetlb_get_unmapped_area() unable to open" - " enough areas\n"); - return -ENOMEM; + return slice_get_unmapped_area(addr, len, flags, + mmu_huge_psize, 1, 0); } /* diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 4416d5140c53..7312a265545f 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -146,21 +146,16 @@ static void zero_ctor(void *addr, struct kmem_cache *cache, unsigned long flags) memset(addr, 0, kmem_cache_size(cache)); } -#ifdef CONFIG_PPC_64K_PAGES -static const unsigned int pgtable_cache_size[3] = { - PTE_TABLE_SIZE, PMD_TABLE_SIZE, PGD_TABLE_SIZE -}; -static const char *pgtable_cache_name[ARRAY_SIZE(pgtable_cache_size)] = { - "pte_pmd_cache", "pmd_cache", "pgd_cache", -}; -#else static const unsigned int pgtable_cache_size[2] = { - PTE_TABLE_SIZE, PMD_TABLE_SIZE + PGD_TABLE_SIZE, PMD_TABLE_SIZE }; static const char *pgtable_cache_name[ARRAY_SIZE(pgtable_cache_size)] = { - "pgd_pte_cache", "pud_pmd_cache", -}; +#ifdef CONFIG_PPC_64K_PAGES + "pgd_cache", "pmd_cache", +#else + "pgd_cache", "pud_pmd_cache", #endif /* CONFIG_PPC_64K_PAGES */ +}; #ifdef CONFIG_HUGETLB_PAGE /* Hugepages need one extra cache, initialized in hugetlbpage.c. We @@ -183,11 +178,8 @@ void pgtable_cache_init(void) "for size: %08x...\n", name, i, size); pgtable_cache[i] = kmem_cache_create(name, size, size, - 0, + SLAB_PANIC, zero_ctor, NULL); - if (! pgtable_cache[i]) - panic("pgtable_cache_init(): could not create %s!\n", - name); } } diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index c4bcd7546424..246eeea40ece 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -31,6 +31,7 @@ #include <linux/highmem.h> #include <linux/initrd.h> #include <linux/pagemap.h> +#include <linux/suspend.h> #include <asm/pgalloc.h> #include <asm/prom.h> @@ -80,7 +81,6 @@ int page_is_ram(unsigned long pfn) return 0; #endif } -EXPORT_SYMBOL(page_is_ram); pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, unsigned long size, pgprot_t vma_prot) @@ -277,6 +277,28 @@ void __init do_init_bootmem(void) init_bootmem_done = 1; } +/* mark pages that don't exist as nosave */ +static int __init mark_nonram_nosave(void) +{ + unsigned long lmb_next_region_start_pfn, + lmb_region_max_pfn; + int i; + + for (i = 0; i < lmb.memory.cnt - 1; i++) { + lmb_region_max_pfn = + (lmb.memory.region[i].base >> PAGE_SHIFT) + + (lmb.memory.region[i].size >> PAGE_SHIFT); + lmb_next_region_start_pfn = + lmb.memory.region[i+1].base >> PAGE_SHIFT; + + if (lmb_region_max_pfn < lmb_next_region_start_pfn) + register_nosave_region(lmb_region_max_pfn, + lmb_next_region_start_pfn); + } + + return 0; +} + /* * paging_init() sets up the page tables - in fact we've already done this. */ @@ -308,6 +330,8 @@ void __init paging_init(void) max_zone_pfns[ZONE_DMA] = top_of_ram >> PAGE_SHIFT; #endif free_area_init_nodes(max_zone_pfns); + + mark_nonram_nosave(); } #endif /* ! CONFIG_NEED_MULTIPLE_NODES */ diff --git a/arch/powerpc/mm/mmu_context_64.c b/arch/powerpc/mm/mmu_context_64.c index 90a06ac02d5e..7a78cdc0515a 100644 --- a/arch/powerpc/mm/mmu_context_64.c +++ b/arch/powerpc/mm/mmu_context_64.c @@ -28,6 +28,7 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { int index; int err; + int new_context = (mm->context.id == 0); again: if (!idr_pre_get(&mmu_context_idr, GFP_KERNEL)) @@ -50,9 +51,18 @@ again: } mm->context.id = index; +#ifdef CONFIG_PPC_MM_SLICES + /* The old code would re-promote on fork, we don't do that + * when using slices as it could cause problem promoting slices + * that have been forced down to 4K + */ + if (new_context) + slice_set_user_psize(mm, mmu_virtual_psize); +#else mm->context.user_psize = mmu_virtual_psize; mm->context.sllp = SLB_VSID_USER | mmu_psize_defs[mmu_virtual_psize].sllp; +#endif return 0; } diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index 9c4538bb04b0..2558c34eedaa 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h @@ -40,7 +40,8 @@ extern int __map_without_bats; extern unsigned long ioremap_base; extern unsigned int rtas_data, rtas_size; -extern PTE *Hash, *Hash_end; +struct _PTE; +extern struct _PTE *Hash, *Hash_end; extern unsigned long Hash_size, Hash_mask; extern unsigned int num_tlbcam_entries; diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index b3a592b25ab3..de45aa82d97b 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -252,12 +252,15 @@ static int __cpuinit cpu_numa_callback(struct notifier_block *nfb, switch (action) { case CPU_UP_PREPARE: + case CPU_UP_PREPARE_FROZEN: numa_setup_cpu(lcpu); ret = NOTIFY_OK; break; #ifdef CONFIG_HOTPLUG_CPU case CPU_DEAD: + case CPU_DEAD_FROZEN: case CPU_UP_CANCELED: + case CPU_UP_CANCELED_FROZEN: unmap_cpu_from_node(lcpu); break; ret = NOTIFY_OK; diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index bca560374927..d8232b7a08f7 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -261,7 +261,7 @@ int map_page(unsigned long va, phys_addr_t pa, int flags) int err = -ENOMEM; /* Use upper 10 bits of VA to index the first level map */ - pd = pmd_offset(pgd_offset_k(va), va); + pd = pmd_offset(pud_offset(pgd_offset_k(va), va), va); /* Use middle 10 bits of VA to index the second-level map */ pg = pte_alloc_kernel(pd, va); if (pg != 0) { @@ -354,23 +354,27 @@ int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, pmd_t **pmdp) { pgd_t *pgd; + pud_t *pud; pmd_t *pmd; pte_t *pte; int retval = 0; pgd = pgd_offset(mm, addr & PAGE_MASK); if (pgd) { - pmd = pmd_offset(pgd, addr & PAGE_MASK); - if (pmd_present(*pmd)) { - pte = pte_offset_map(pmd, addr & PAGE_MASK); - if (pte) { - retval = 1; - *ptep = pte; - if (pmdp) - *pmdp = pmd; - /* XXX caller needs to do pte_unmap, yuck */ - } - } + pud = pud_offset(pgd, addr & PAGE_MASK); + if (pud && pud_present(*pud)) { + pmd = pmd_offset(pud, addr & PAGE_MASK); + if (pmd_present(*pmd)) { + pte = pte_offset_map(pmd, addr & PAGE_MASK); + if (pte) { + retval = 1; + *ptep = pte; + if (pmdp) + *pmdp = pmd; + /* XXX caller needs to do pte_unmap, yuck */ + } + } + } } return(retval); } diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c index 05066674a7a0..ec1421a20aaa 100644 --- a/arch/powerpc/mm/ppc_mmu_32.c +++ b/arch/powerpc/mm/ppc_mmu_32.c @@ -185,7 +185,7 @@ void hash_preload(struct mm_struct *mm, unsigned long ea, if (Hash == 0) return; - pmd = pmd_offset(pgd_offset(mm, ea), ea); + pmd = pmd_offset(pud_offset(pgd_offset(mm, ea), ea), ea); if (!pmd_none(*pmd)) add_hash_page(mm->context.id, ea, pmd_val(*pmd)); } diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c index 224e960650a0..304375a73574 100644 --- a/arch/powerpc/mm/slb.c +++ b/arch/powerpc/mm/slb.c @@ -198,12 +198,6 @@ void slb_initialize(void) static int slb_encoding_inited; extern unsigned int *slb_miss_kernel_load_linear; extern unsigned int *slb_miss_kernel_load_io; -#ifdef CONFIG_HUGETLB_PAGE - extern unsigned int *slb_miss_user_load_huge; - unsigned long huge_llp; - - huge_llp = mmu_psize_defs[mmu_huge_psize].sllp; -#endif /* Prepare our SLB miss handler based on our page size */ linear_llp = mmu_psize_defs[mmu_linear_psize].sllp; @@ -220,11 +214,6 @@ void slb_initialize(void) DBG("SLB: linear LLP = %04x\n", linear_llp); DBG("SLB: io LLP = %04x\n", io_llp); -#ifdef CONFIG_HUGETLB_PAGE - patch_slb_encoding(slb_miss_user_load_huge, - SLB_VSID_USER | huge_llp); - DBG("SLB: huge LLP = %04x\n", huge_llp); -#endif } get_paca()->stab_rr = SLB_NUM_BOLTED; diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S index b10e4707d7c1..cd1a93d4948c 100644 --- a/arch/powerpc/mm/slb_low.S +++ b/arch/powerpc/mm/slb_low.S @@ -82,31 +82,45 @@ _GLOBAL(slb_miss_kernel_load_io) srdi. r9,r10,USER_ESID_BITS bne- 8f /* invalid ea bits set */ - /* Figure out if the segment contains huge pages */ -#ifdef CONFIG_HUGETLB_PAGE -BEGIN_FTR_SECTION - b 1f -END_FTR_SECTION_IFCLR(CPU_FTR_16M_PAGE) + + /* when using slices, we extract the psize off the slice bitmaps + * and then we need to get the sllp encoding off the mmu_psize_defs + * array. + * + * XXX This is a bit inefficient especially for the normal case, + * so we should try to implement a fast path for the standard page + * size using the old sllp value so we avoid the array. We cannot + * really do dynamic patching unfortunately as processes might flip + * between 4k and 64k standard page size + */ +#ifdef CONFIG_PPC_MM_SLICES cmpldi r10,16 - lhz r9,PACALOWHTLBAREAS(r13) - mr r11,r10 + /* Get the slice index * 4 in r11 and matching slice size mask in r9 */ + ld r9,PACALOWSLICESPSIZE(r13) + sldi r11,r10,2 blt 5f + ld r9,PACAHIGHSLICEPSIZE(r13) + srdi r11,r10,(SLICE_HIGH_SHIFT - SLICE_LOW_SHIFT - 2) + andi. r11,r11,0x3c - lhz r9,PACAHIGHHTLBAREAS(r13) - srdi r11,r10,(HTLB_AREA_SHIFT-SID_SHIFT) - -5: srd r9,r9,r11 - andi. r9,r9,1 - beq 1f -_GLOBAL(slb_miss_user_load_huge) - li r11,0 - b 2f -1: -#endif /* CONFIG_HUGETLB_PAGE */ +5: /* Extract the psize and multiply to get an array offset */ + srd r9,r9,r11 + andi. r9,r9,0xf + mulli r9,r9,MMUPSIZEDEFSIZE + /* Now get to the array and obtain the sllp + */ + ld r11,PACATOC(r13) + ld r11,mmu_psize_defs@got(r11) + add r11,r11,r9 + ld r11,MMUPSIZESLLP(r11) + ori r11,r11,SLB_VSID_USER +#else + /* paca context sllp already contains the SLB_VSID_USER bits */ lhz r11,PACACONTEXTSLLP(r13) -2: +#endif /* CONFIG_PPC_MM_SLICES */ + ld r9,PACACONTEXTID(r13) rldimi r10,r9,USER_ESID_BITS,0 b slb_finish_load diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c new file mode 100644 index 000000000000..f833dba2a028 --- /dev/null +++ b/arch/powerpc/mm/slice.c @@ -0,0 +1,633 @@ +/* + * address space "slices" (meta-segments) support + * + * Copyright (C) 2007 Benjamin Herrenschmidt, IBM Corporation. + * + * Based on hugetlb implementation + * + * Copyright (C) 2003 David Gibson, IBM Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#undef DEBUG + +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/pagemap.h> +#include <linux/err.h> +#include <linux/spinlock.h> +#include <linux/module.h> +#include <asm/mman.h> +#include <asm/mmu.h> +#include <asm/spu.h> + +static spinlock_t slice_convert_lock = SPIN_LOCK_UNLOCKED; + + +#ifdef DEBUG +int _slice_debug = 1; + +static void slice_print_mask(const char *label, struct slice_mask mask) +{ + char *p, buf[16 + 3 + 16 + 1]; + int i; + + if (!_slice_debug) + return; + p = buf; + for (i = 0; i < SLICE_NUM_LOW; i++) + *(p++) = (mask.low_slices & (1 << i)) ? '1' : '0'; + *(p++) = ' '; + *(p++) = '-'; + *(p++) = ' '; + for (i = 0; i < SLICE_NUM_HIGH; i++) + *(p++) = (mask.high_slices & (1 << i)) ? '1' : '0'; + *(p++) = 0; + + printk(KERN_DEBUG "%s:%s\n", label, buf); +} + +#define slice_dbg(fmt...) do { if (_slice_debug) pr_debug(fmt); } while(0) + +#else + +static void slice_print_mask(const char *label, struct slice_mask mask) {} +#define slice_dbg(fmt...) + +#endif + +static struct slice_mask slice_range_to_mask(unsigned long start, + unsigned long len) +{ + unsigned long end = start + len - 1; + struct slice_mask ret = { 0, 0 }; + + if (start < SLICE_LOW_TOP) { + unsigned long mend = min(end, SLICE_LOW_TOP); + unsigned long mstart = min(start, SLICE_LOW_TOP); + + ret.low_slices = (1u << (GET_LOW_SLICE_INDEX(mend) + 1)) + - (1u << GET_LOW_SLICE_INDEX(mstart)); + } + + if ((start + len) > SLICE_LOW_TOP) + ret.high_slices = (1u << (GET_HIGH_SLICE_INDEX(end) + 1)) + - (1u << GET_HIGH_SLICE_INDEX(start)); + + return ret; +} + +static int slice_area_is_free(struct mm_struct *mm, unsigned long addr, + unsigned long len) +{ + struct vm_area_struct *vma; + + if ((mm->task_size - len) < addr) + return 0; + vma = find_vma(mm, addr); + return (!vma || (addr + len) <= vma->vm_start); +} + +static int slice_low_has_vma(struct mm_struct *mm, unsigned long slice) +{ + return !slice_area_is_free(mm, slice << SLICE_LOW_SHIFT, + 1ul << SLICE_LOW_SHIFT); +} + +static int slice_high_has_vma(struct mm_struct *mm, unsigned long slice) +{ + unsigned long start = slice << SLICE_HIGH_SHIFT; + unsigned long end = start + (1ul << SLICE_HIGH_SHIFT); + + /* Hack, so that each addresses is controlled by exactly one + * of the high or low area bitmaps, the first high area starts + * at 4GB, not 0 */ + if (start == 0) + start = SLICE_LOW_TOP; + + return !slice_area_is_free(mm, start, end - start); +} + +static struct slice_mask slice_mask_for_free(struct mm_struct *mm) +{ + struct slice_mask ret = { 0, 0 }; + unsigned long i; + + for (i = 0; i < SLICE_NUM_LOW; i++) + if (!slice_low_has_vma(mm, i)) + ret.low_slices |= 1u << i; + + if (mm->task_size <= SLICE_LOW_TOP) + return ret; + + for (i = 0; i < SLICE_NUM_HIGH; i++) + if (!slice_high_has_vma(mm, i)) + ret.high_slices |= 1u << i; + + return ret; +} + +static struct slice_mask slice_mask_for_size(struct mm_struct *mm, int psize) +{ + struct slice_mask ret = { 0, 0 }; + unsigned long i; + u64 psizes; + + psizes = mm->context.low_slices_psize; + for (i = 0; i < SLICE_NUM_LOW; i++) + if (((psizes >> (i * 4)) & 0xf) == psize) + ret.low_slices |= 1u << i; + + psizes = mm->context.high_slices_psize; + for (i = 0; i < SLICE_NUM_HIGH; i++) + if (((psizes >> (i * 4)) & 0xf) == psize) + ret.high_slices |= 1u << i; + + return ret; +} + +static int slice_check_fit(struct slice_mask mask, struct slice_mask available) +{ + return (mask.low_slices & available.low_slices) == mask.low_slices && + (mask.high_slices & available.high_slices) == mask.high_slices; +} + +static void slice_flush_segments(void *parm) +{ + struct mm_struct *mm = parm; + unsigned long flags; + + if (mm != current->active_mm) + return; + + /* update the paca copy of the context struct */ + get_paca()->context = current->active_mm->context; + + local_irq_save(flags); + slb_flush_and_rebolt(); + local_irq_restore(flags); +} + +static void slice_convert(struct mm_struct *mm, struct slice_mask mask, int psize) +{ + /* Write the new slice psize bits */ + u64 lpsizes, hpsizes; + unsigned long i, flags; + + slice_dbg("slice_convert(mm=%p, psize=%d)\n", mm, psize); + slice_print_mask(" mask", mask); + + /* We need to use a spinlock here to protect against + * concurrent 64k -> 4k demotion ... + */ + spin_lock_irqsave(&slice_convert_lock, flags); + + lpsizes = mm->context.low_slices_psize; + for (i = 0; i < SLICE_NUM_LOW; i++) + if (mask.low_slices & (1u << i)) + lpsizes = (lpsizes & ~(0xful << (i * 4))) | + (((unsigned long)psize) << (i * 4)); + + hpsizes = mm->context.high_slices_psize; + for (i = 0; i < SLICE_NUM_HIGH; i++) + if (mask.high_slices & (1u << i)) + hpsizes = (hpsizes & ~(0xful << (i * 4))) | + (((unsigned long)psize) << (i * 4)); + + mm->context.low_slices_psize = lpsizes; + mm->context.high_slices_psize = hpsizes; + + slice_dbg(" lsps=%lx, hsps=%lx\n", + mm->context.low_slices_psize, + mm->context.high_slices_psize); + + spin_unlock_irqrestore(&slice_convert_lock, flags); + mb(); + + /* XXX this is sub-optimal but will do for now */ + on_each_cpu(slice_flush_segments, mm, 0, 1); +#ifdef CONFIG_SPU_BASE + spu_flush_all_slbs(mm); +#endif +} + +static unsigned long slice_find_area_bottomup(struct mm_struct *mm, + unsigned long len, + struct slice_mask available, + int psize, int use_cache) +{ + struct vm_area_struct *vma; + unsigned long start_addr, addr; + struct slice_mask mask; + int pshift = max_t(int, mmu_psize_defs[psize].shift, PAGE_SHIFT); + + if (use_cache) { + if (len <= mm->cached_hole_size) { + start_addr = addr = TASK_UNMAPPED_BASE; + mm->cached_hole_size = 0; + } else + start_addr = addr = mm->free_area_cache; + } else + start_addr = addr = TASK_UNMAPPED_BASE; + +full_search: + for (;;) { + addr = _ALIGN_UP(addr, 1ul << pshift); + if ((TASK_SIZE - len) < addr) + break; + vma = find_vma(mm, addr); + BUG_ON(vma && (addr >= vma->vm_end)); + + mask = slice_range_to_mask(addr, len); + if (!slice_check_fit(mask, available)) { + if (addr < SLICE_LOW_TOP) + addr = _ALIGN_UP(addr + 1, 1ul << SLICE_LOW_SHIFT); + else + addr = _ALIGN_UP(addr + 1, 1ul << SLICE_HIGH_SHIFT); + continue; + } + if (!vma || addr + len <= vma->vm_start) { + /* + * Remember the place where we stopped the search: + */ + if (use_cache) + mm->free_area_cache = addr + len; + return addr; + } + if (use_cache && (addr + mm->cached_hole_size) < vma->vm_start) + mm->cached_hole_size = vma->vm_start - addr; + addr = vma->vm_end; + } + + /* Make sure we didn't miss any holes */ + if (use_cache && start_addr != TASK_UNMAPPED_BASE) { + start_addr = addr = TASK_UNMAPPED_BASE; + mm->cached_hole_size = 0; + goto full_search; + } + return -ENOMEM; +} + +static unsigned long slice_find_area_topdown(struct mm_struct *mm, + unsigned long len, + struct slice_mask available, + int psize, int use_cache) +{ + struct vm_area_struct *vma; + unsigned long addr; + struct slice_mask mask; + int pshift = max_t(int, mmu_psize_defs[psize].shift, PAGE_SHIFT); + + /* check if free_area_cache is useful for us */ + if (use_cache) { + if (len <= mm->cached_hole_size) { + mm->cached_hole_size = 0; + mm->free_area_cache = mm->mmap_base; + } + + /* either no address requested or can't fit in requested + * address hole + */ + addr = mm->free_area_cache; + + /* make sure it can fit in the remaining address space */ + if (addr > len) { + addr = _ALIGN_DOWN(addr - len, 1ul << pshift); + mask = slice_range_to_mask(addr, len); + if (slice_check_fit(mask, available) && + slice_area_is_free(mm, addr, len)) + /* remember the address as a hint for + * next time + */ + return (mm->free_area_cache = addr); + } + } + + addr = mm->mmap_base; + while (addr > len) { + /* Go down by chunk size */ + addr = _ALIGN_DOWN(addr - len, 1ul << pshift); + + /* Check for hit with different page size */ + mask = slice_range_to_mask(addr, len); + if (!slice_check_fit(mask, available)) { + if (addr < SLICE_LOW_TOP) + addr = _ALIGN_DOWN(addr, 1ul << SLICE_LOW_SHIFT); + else if (addr < (1ul << SLICE_HIGH_SHIFT)) + addr = SLICE_LOW_TOP; + else + addr = _ALIGN_DOWN(addr, 1ul << SLICE_HIGH_SHIFT); + continue; + } + + /* + * Lookup failure means no vma is above this address, + * else if new region fits below vma->vm_start, + * return with success: + */ + vma = find_vma(mm, addr); + if (!vma || (addr + len) <= vma->vm_start) { + /* remember the address as a hint for next time */ + if (use_cache) + mm->free_area_cache = addr; + return addr; + } + + /* remember the largest hole we saw so far */ + if (use_cache && (addr + mm->cached_hole_size) < vma->vm_start) + mm->cached_hole_size = vma->vm_start - addr; + + /* try just below the current vma->vm_start */ + addr = vma->vm_start; + } + + /* + * A failed mmap() very likely causes application failure, + * so fall back to the bottom-up function here. This scenario + * can happen with large stack limits and large mmap() + * allocations. + */ + addr = slice_find_area_bottomup(mm, len, available, psize, 0); + + /* + * Restore the topdown base: + */ + if (use_cache) { + mm->free_area_cache = mm->mmap_base; + mm->cached_hole_size = ~0UL; + } + + return addr; +} + + +static unsigned long slice_find_area(struct mm_struct *mm, unsigned long len, + struct slice_mask mask, int psize, + int topdown, int use_cache) +{ + if (topdown) + return slice_find_area_topdown(mm, len, mask, psize, use_cache); + else + return slice_find_area_bottomup(mm, len, mask, psize, use_cache); +} + +unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len, + unsigned long flags, unsigned int psize, + int topdown, int use_cache) +{ + struct slice_mask mask; + struct slice_mask good_mask; + struct slice_mask potential_mask = {0,0} /* silence stupid warning */; + int pmask_set = 0; + int fixed = (flags & MAP_FIXED); + int pshift = max_t(int, mmu_psize_defs[psize].shift, PAGE_SHIFT); + struct mm_struct *mm = current->mm; + + /* Sanity checks */ + BUG_ON(mm->task_size == 0); + + slice_dbg("slice_get_unmapped_area(mm=%p, psize=%d...\n", mm, psize); + slice_dbg(" addr=%lx, len=%lx, flags=%lx, topdown=%d, use_cache=%d\n", + addr, len, flags, topdown, use_cache); + + if (len > mm->task_size) + return -ENOMEM; + if (fixed && (addr & ((1ul << pshift) - 1))) + return -EINVAL; + if (fixed && addr > (mm->task_size - len)) + return -EINVAL; + + /* If hint, make sure it matches our alignment restrictions */ + if (!fixed && addr) { + addr = _ALIGN_UP(addr, 1ul << pshift); + slice_dbg(" aligned addr=%lx\n", addr); + } + + /* First makeup a "good" mask of slices that have the right size + * already + */ + good_mask = slice_mask_for_size(mm, psize); + slice_print_mask(" good_mask", good_mask); + + /* First check hint if it's valid or if we have MAP_FIXED */ + if ((addr != 0 || fixed) && (mm->task_size - len) >= addr) { + + /* Don't bother with hint if it overlaps a VMA */ + if (!fixed && !slice_area_is_free(mm, addr, len)) + goto search; + + /* Build a mask for the requested range */ + mask = slice_range_to_mask(addr, len); + slice_print_mask(" mask", mask); + + /* Check if we fit in the good mask. If we do, we just return, + * nothing else to do + */ + if (slice_check_fit(mask, good_mask)) { + slice_dbg(" fits good !\n"); + return addr; + } + + /* We don't fit in the good mask, check what other slices are + * empty and thus can be converted + */ + potential_mask = slice_mask_for_free(mm); + potential_mask.low_slices |= good_mask.low_slices; + potential_mask.high_slices |= good_mask.high_slices; + pmask_set = 1; + slice_print_mask(" potential", potential_mask); + if (slice_check_fit(mask, potential_mask)) { + slice_dbg(" fits potential !\n"); + goto convert; + } + } + + /* If we have MAP_FIXED and failed the above step, then error out */ + if (fixed) + return -EBUSY; + + search: + slice_dbg(" search...\n"); + + /* Now let's see if we can find something in the existing slices + * for that size + */ + addr = slice_find_area(mm, len, good_mask, psize, topdown, use_cache); + if (addr != -ENOMEM) { + /* Found within the good mask, we don't have to setup, + * we thus return directly + */ + slice_dbg(" found area at 0x%lx\n", addr); + return addr; + } + + /* Won't fit, check what can be converted */ + if (!pmask_set) { + potential_mask = slice_mask_for_free(mm); + potential_mask.low_slices |= good_mask.low_slices; + potential_mask.high_slices |= good_mask.high_slices; + pmask_set = 1; + slice_print_mask(" potential", potential_mask); + } + + /* Now let's see if we can find something in the existing slices + * for that size + */ + addr = slice_find_area(mm, len, potential_mask, psize, topdown, + use_cache); + if (addr == -ENOMEM) + return -ENOMEM; + + mask = slice_range_to_mask(addr, len); + slice_dbg(" found potential area at 0x%lx\n", addr); + slice_print_mask(" mask", mask); + + convert: + slice_convert(mm, mask, psize); + return addr; + +} +EXPORT_SYMBOL_GPL(slice_get_unmapped_area); + +unsigned long arch_get_unmapped_area(struct file *filp, + unsigned long addr, + unsigned long len, + unsigned long pgoff, + unsigned long flags) +{ + return slice_get_unmapped_area(addr, len, flags, + current->mm->context.user_psize, + 0, 1); +} + +unsigned long arch_get_unmapped_area_topdown(struct file *filp, + const unsigned long addr0, + const unsigned long len, + const unsigned long pgoff, + const unsigned long flags) +{ + return slice_get_unmapped_area(addr0, len, flags, + current->mm->context.user_psize, + 1, 1); +} + +unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr) +{ + u64 psizes; + int index; + + if (addr < SLICE_LOW_TOP) { + psizes = mm->context.low_slices_psize; + index = GET_LOW_SLICE_INDEX(addr); + } else { + psizes = mm->context.high_slices_psize; + index = GET_HIGH_SLICE_INDEX(addr); + } + + return (psizes >> (index * 4)) & 0xf; +} +EXPORT_SYMBOL_GPL(get_slice_psize); + +/* + * This is called by hash_page when it needs to do a lazy conversion of + * an address space from real 64K pages to combo 4K pages (typically + * when hitting a non cacheable mapping on a processor or hypervisor + * that won't allow them for 64K pages). + * + * This is also called in init_new_context() to change back the user + * psize from whatever the parent context had it set to + * + * This function will only change the content of the {low,high)_slice_psize + * masks, it will not flush SLBs as this shall be handled lazily by the + * caller. + */ +void slice_set_user_psize(struct mm_struct *mm, unsigned int psize) +{ + unsigned long flags, lpsizes, hpsizes; + unsigned int old_psize; + int i; + + slice_dbg("slice_set_user_psize(mm=%p, psize=%d)\n", mm, psize); + + spin_lock_irqsave(&slice_convert_lock, flags); + + old_psize = mm->context.user_psize; + slice_dbg(" old_psize=%d\n", old_psize); + if (old_psize == psize) + goto bail; + + mm->context.user_psize = psize; + wmb(); + + lpsizes = mm->context.low_slices_psize; + for (i = 0; i < SLICE_NUM_LOW; i++) + if (((lpsizes >> (i * 4)) & 0xf) == old_psize) + lpsizes = (lpsizes & ~(0xful << (i * 4))) | + (((unsigned long)psize) << (i * 4)); + + hpsizes = mm->context.high_slices_psize; + for (i = 0; i < SLICE_NUM_HIGH; i++) + if (((hpsizes >> (i * 4)) & 0xf) == old_psize) + hpsizes = (hpsizes & ~(0xful << (i * 4))) | + (((unsigned long)psize) << (i * 4)); + + mm->context.low_slices_psize = lpsizes; + mm->context.high_slices_psize = hpsizes; + + slice_dbg(" lsps=%lx, hsps=%lx\n", + mm->context.low_slices_psize, + mm->context.high_slices_psize); + + bail: + spin_unlock_irqrestore(&slice_convert_lock, flags); +} + +/* + * is_hugepage_only_range() is used by generic code to verify wether + * a normal mmap mapping (non hugetlbfs) is valid on a given area. + * + * until the generic code provides a more generic hook and/or starts + * calling arch get_unmapped_area for MAP_FIXED (which our implementation + * here knows how to deal with), we hijack it to keep standard mappings + * away from us. + * + * because of that generic code limitation, MAP_FIXED mapping cannot + * "convert" back a slice with no VMAs to the standard page size, only + * get_unmapped_area() can. It would be possible to fix it here but I + * prefer working on fixing the generic code instead. + * + * WARNING: This will not work if hugetlbfs isn't enabled since the + * generic code will redefine that function as 0 in that. This is ok + * for now as we only use slices with hugetlbfs enabled. This should + * be fixed as the generic code gets fixed. + */ +int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, + unsigned long len) +{ + struct slice_mask mask, available; + + mask = slice_range_to_mask(addr, len); + available = slice_mask_for_size(mm, mm->context.user_psize); + +#if 0 /* too verbose */ + slice_dbg("is_hugepage_only_range(mm=%p, addr=%lx, len=%lx)\n", + mm, addr, len); + slice_print_mask(" mask", mask); + slice_print_mask(" available", available); +#endif + return !slice_check_fit(mask, available); +} + diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c index eeeacab548e6..132c6bc66ce1 100644 --- a/arch/powerpc/mm/stab.c +++ b/arch/powerpc/mm/stab.c @@ -227,7 +227,7 @@ void switch_stab(struct task_struct *tsk, struct mm_struct *mm) * the first (bolted) segment, so that do_stab_bolted won't get a * recursive segment miss on the segment table itself. */ -void stabs_alloc(void) +void __init stabs_alloc(void) { int cpu; diff --git a/arch/powerpc/mm/tlb_32.c b/arch/powerpc/mm/tlb_32.c index 925ff70be8ba..6a69417cbc0e 100644 --- a/arch/powerpc/mm/tlb_32.c +++ b/arch/powerpc/mm/tlb_32.c @@ -111,7 +111,7 @@ static void flush_range(struct mm_struct *mm, unsigned long start, if (start >= end) return; end = (end - 1) | ~PAGE_MASK; - pmd = pmd_offset(pgd_offset(mm, start), start); + pmd = pmd_offset(pud_offset(pgd_offset(mm, start), start), start); for (;;) { pmd_end = ((start + PGDIR_SIZE) & PGDIR_MASK) - 1; if (pmd_end > end) @@ -169,7 +169,7 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr) return; } mm = (vmaddr < TASK_SIZE)? vma->vm_mm: &init_mm; - pmd = pmd_offset(pgd_offset(mm, vmaddr), vmaddr); + pmd = pmd_offset(pud_offset(pgd_offset(mm, vmaddr), vmaddr), vmaddr); if (!pmd_none(*pmd)) flush_hash_pages(mm->context.id, vmaddr, pmd_val(*pmd), 1); FINISH_FLUSH; diff --git a/arch/powerpc/mm/tlb_64.c b/arch/powerpc/mm/tlb_64.c index fd8d08c325eb..2bfc4d7e1aa2 100644 --- a/arch/powerpc/mm/tlb_64.c +++ b/arch/powerpc/mm/tlb_64.c @@ -143,16 +143,22 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr, */ addr &= PAGE_MASK; - /* Get page size (maybe move back to caller) */ + /* Get page size (maybe move back to caller). + * + * NOTE: when using special 64K mappings in 4K environment like + * for SPEs, we obtain the page size from the slice, which thus + * must still exist (and thus the VMA not reused) at the time + * of this call + */ if (huge) { #ifdef CONFIG_HUGETLB_PAGE psize = mmu_huge_psize; #else BUG(); - psize = pte_pagesize_index(pte); /* shutup gcc */ + psize = pte_pagesize_index(mm, addr, pte); /* shutup gcc */ #endif } else - psize = pte_pagesize_index(pte); + psize = pte_pagesize_index(mm, addr, pte); /* Build full vaddr */ if (!is_kernel_addr(addr)) { diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c index 626b29f38304..c29293befba9 100644 --- a/arch/powerpc/oprofile/op_model_cell.c +++ b/arch/powerpc/oprofile/op_model_cell.c @@ -747,7 +747,7 @@ cell_handle_interrupt(struct pt_regs *regs, struct op_counter_config *ctr) * counter value etc.) are not copied to the actual registers * until the performance monitor is enabled. In order to get * this to work as desired, the permormance monitor needs to - * be disabled while writting to the latches. This is a + * be disabled while writing to the latches. This is a * HW design issue. */ cbe_enable_pm(cpu); diff --git a/arch/powerpc/platforms/44x/44x.h b/arch/powerpc/platforms/44x/44x.h new file mode 100644 index 000000000000..42eabf87fea3 --- /dev/null +++ b/arch/powerpc/platforms/44x/44x.h @@ -0,0 +1,8 @@ +#ifndef __POWERPC_PLATFORMS_44X_44X_H +#define __POWERPC_PLATFORMS_44X_44X_H + +extern u8 as1_readb(volatile u8 __iomem *addr); +extern void as1_writeb(u8 data, volatile u8 __iomem *addr); +extern void ppc44x_reset_system(char *cmd); + +#endif /* __POWERPC_PLATFORMS_44X_44X_H */ diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig new file mode 100644 index 000000000000..8e66949e7c67 --- /dev/null +++ b/arch/powerpc/platforms/44x/Kconfig @@ -0,0 +1,56 @@ +#config BAMBOO +# bool "Bamboo" +# depends on 44x +# default n +# select 440EP +# help +# This option enables support for the IBM PPC440EP evaluation board. + +config EBONY + bool "Ebony" + depends on 44x + default y + select 440GP + help + This option enables support for the IBM PPC440GP evaluation board. + +#config LUAN +# bool "Luan" +# depends on 44x +# default n +# select 440SP +# help +# This option enables support for the IBM PPC440SP evaluation board. + +#config OCOTEA +# bool "Ocotea" +# depends on 44x +# default n +# select 440GX +# help +# This option enables support for the IBM PPC440GX evaluation board. + +# 44x specific CPU modules, selected based on the board above. +config 440EP + bool + select PPC_FPU + select IBM440EP_ERR42 + +config 440GP + bool + select IBM_NEW_EMAC_ZMII + +config 440GX + bool + +config 440SP + bool + +config 440A + bool + depends on 440GX + default y + +# 44x errata/workaround config symbols, selected by the CPU models above +config IBM440EP_ERR42 + bool diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile new file mode 100644 index 000000000000..41d0a18a0e44 --- /dev/null +++ b/arch/powerpc/platforms/44x/Makefile @@ -0,0 +1,2 @@ +obj-$(CONFIG_44x) := misc_44x.o +obj-$(CONFIG_EBONY) += ebony.o diff --git a/arch/powerpc/platforms/44x/ebony.c b/arch/powerpc/platforms/44x/ebony.c new file mode 100644 index 000000000000..ad526eafc90b --- /dev/null +++ b/arch/powerpc/platforms/44x/ebony.c @@ -0,0 +1,73 @@ +/* + * Ebony board specific routines + * + * Matt Porter <mporter@kernel.crashing.org> + * Copyright 2002-2005 MontaVista Software Inc. + * + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> + * Copyright (c) 2003-2005 Zultys Technologies + * + * Rewritten and ported to the merged powerpc tree: + * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/init.h> +#include <asm/machdep.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/time.h> +#include <asm/uic.h> +#include <asm/of_platform.h> + +#include "44x.h" + +static struct of_device_id ebony_of_bus[] = { + { .type = "ibm,plb", }, + { .type = "ibm,opb", }, + { .type = "ibm,ebc", }, + {}, +}; + +static int __init ebony_device_probe(void) +{ + if (!machine_is(ebony)) + return 0; + + of_platform_bus_probe(NULL, ebony_of_bus, NULL); + + return 0; +} +device_initcall(ebony_device_probe); + +/* + * Called very early, MMU is off, device-tree isn't unflattened + */ +static int __init ebony_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "ibm,ebony")) + return 0; + + return 1; +} + +static void __init ebony_setup_arch(void) +{ +} + +define_machine(ebony) { + .name = "Ebony", + .probe = ebony_probe, + .setup_arch = ebony_setup_arch, + .progress = udbg_progress, + .init_IRQ = uic_init_tree, + .get_irq = uic_get_irq, + .restart = ppc44x_reset_system, + .calibrate_decr = generic_calibrate_decr, +}; diff --git a/arch/powerpc/platforms/44x/misc_44x.S b/arch/powerpc/platforms/44x/misc_44x.S new file mode 100644 index 000000000000..3bce71d5d756 --- /dev/null +++ b/arch/powerpc/platforms/44x/misc_44x.S @@ -0,0 +1,57 @@ +/* + * This file contains miscellaneous low-level functions for PPC 44x. + * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + */ + +#include <asm/reg.h> +#include <asm/ppc_asm.h> + + .text + +/* + * Do an IO access in AS1 + */ +_GLOBAL(as1_readb) + mfmsr r7 + ori r0,r7,MSR_DS + sync + mtmsr r0 + sync + isync + lbz r3,0(r3) + sync + mtmsr r7 + sync + isync + blr + +_GLOBAL(as1_writeb) + mfmsr r7 + ori r0,r7,MSR_DS + sync + mtmsr r0 + sync + isync + stb r3,0(r4) + sync + mtmsr r7 + sync + isync + blr + +/* + * void ppc44x_reset_system(char *cmd) + * + * At present, this routine just applies a system reset. + */ +_GLOBAL(ppc44x_reset_system) + mfspr r13,SPRN_DBCR0 + oris r13,r13,DBCR0_RST_SYSTEM@h + mtspr SPRN_DBCR0,r13 + b . /* Just in case the reset doesn't work */ diff --git a/arch/powerpc/platforms/52xx/Kconfig b/arch/powerpc/platforms/52xx/Kconfig index bc4aa4a80a12..3ffaa066c2c8 100644 --- a/arch/powerpc/platforms/52xx/Kconfig +++ b/arch/powerpc/platforms/52xx/Kconfig @@ -1,5 +1,6 @@ config PPC_MPC52xx bool + select FSL_SOC default n config PPC_MPC5200 diff --git a/arch/powerpc/platforms/52xx/Makefile b/arch/powerpc/platforms/52xx/Makefile index 07cdbcacf156..b91e39c84d46 100644 --- a/arch/powerpc/platforms/52xx/Makefile +++ b/arch/powerpc/platforms/52xx/Makefile @@ -8,3 +8,5 @@ endif obj-$(CONFIG_PPC_EFIKA) += efika.o obj-$(CONFIG_PPC_LITE5200) += lite5200.o + +obj-$(CONFIG_PM) += mpc52xx_sleep.o mpc52xx_pm.o diff --git a/arch/powerpc/platforms/52xx/efika.c b/arch/powerpc/platforms/52xx/efika.c index a6bba97314eb..f591a9fc19b9 100644 --- a/arch/powerpc/platforms/52xx/efika.c +++ b/arch/powerpc/platforms/52xx/efika.c @@ -184,6 +184,16 @@ static void efika_show_cpuinfo(struct seq_file *m) of_node_put(root); } +#ifdef CONFIG_PM +static void efika_suspend_prepare(void __iomem *mbar) +{ + u8 pin = 4; /* GPIO_WKUP_4 (GPIO_PSC6_0 - IRDA_RX) */ + u8 level = 1; /* wakeup on high level */ + /* IOW. to wake it up, short pins 1 and 3 on IRDA connector */ + mpc52xx_set_wakeup_gpio(pin, level); +} +#endif + static void __init efika_setup_arch(void) { rtas_initialize(); @@ -199,6 +209,11 @@ static void __init efika_setup_arch(void) efika_pcisetup(); +#ifdef CONFIG_PM + mpc52xx_suspend.board_suspend_prepare = efika_suspend_prepare; + mpc52xx_pm_init(); +#endif + if (ppc_md.progress) ppc_md.progress("Linux/PPC " UTS_RELEASE " running on Efika ;-)\n", 0x0); } diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c index 8e2646ac417b..1cfc00dfb99a 100644 --- a/arch/powerpc/platforms/52xx/lite5200.c +++ b/arch/powerpc/platforms/52xx/lite5200.c @@ -85,6 +85,28 @@ error: iounmap(gpio); } +#ifdef CONFIG_PM +static u32 descr_a; +static void lite5200_suspend_prepare(void __iomem *mbar) +{ + u8 pin = 1; /* GPIO_WKUP_1 (GPIO_PSC2_4) */ + u8 level = 0; /* wakeup on low level */ + mpc52xx_set_wakeup_gpio(pin, level); + + /* + * power down usb port + * this needs to be called before of-ohci suspend code + */ + descr_a = in_be32(mbar + 0x1048); + out_be32(mbar + 0x1048, (descr_a & ~0x200) | 0x100); +} + +static void lite5200_resume_finish(void __iomem *mbar) +{ + out_be32(mbar + 0x1048, descr_a); +} +#endif + static void __init lite5200_setup_arch(void) { struct device_node *np; @@ -107,6 +129,12 @@ static void __init lite5200_setup_arch(void) mpc52xx_setup_cpu(); /* Generic */ lite5200_setup_cpu(); /* Platorm specific */ +#ifdef CONFIG_PM + mpc52xx_suspend.board_suspend_prepare = lite5200_suspend_prepare; + mpc52xx_suspend.board_resume_finish = lite5200_resume_finish; + mpc52xx_pm_init(); +#endif + #ifdef CONFIG_PCI np = of_find_node_by_type(NULL, "pci"); if (np) { diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pm.c b/arch/powerpc/platforms/52xx/mpc52xx_pm.c new file mode 100644 index 000000000000..fd40044d16cd --- /dev/null +++ b/arch/powerpc/platforms/52xx/mpc52xx_pm.c @@ -0,0 +1,191 @@ +#include <linux/init.h> +#include <linux/pm.h> +#include <linux/io.h> +#include <asm/time.h> +#include <asm/cacheflush.h> +#include <asm/mpc52xx.h> + +#include "mpc52xx_pic.h" + + +/* these are defined in mpc52xx_sleep.S, and only used here */ +extern void mpc52xx_deep_sleep(void *sram, void *sdram_regs, + struct mpc52xx_cdm *, struct mpc52xx_intr *); +extern void mpc52xx_ds_sram(void); +extern const long mpc52xx_ds_sram_size; +extern void mpc52xx_ds_cached(void); +extern const long mpc52xx_ds_cached_size; + +static void __iomem *mbar; +static void __iomem *sdram; +static struct mpc52xx_cdm __iomem *cdm; +static struct mpc52xx_intr __iomem *intr; +static struct mpc52xx_gpio_wkup __iomem *gpiow; +static void *sram; +static int sram_size; + +struct mpc52xx_suspend mpc52xx_suspend; + +static int mpc52xx_pm_valid(suspend_state_t state) +{ + switch (state) { + case PM_SUSPEND_STANDBY: + return 1; + default: + return 0; + } +} + +int mpc52xx_set_wakeup_gpio(u8 pin, u8 level) +{ + u16 tmp; + + /* enable gpio */ + out_8(&gpiow->wkup_gpioe, in_8(&gpiow->wkup_gpioe) | (1 << pin)); + /* set as input */ + out_8(&gpiow->wkup_ddr, in_8(&gpiow->wkup_ddr) & ~(1 << pin)); + /* enable deep sleep interrupt */ + out_8(&gpiow->wkup_inten, in_8(&gpiow->wkup_inten) | (1 << pin)); + /* low/high level creates wakeup interrupt */ + tmp = in_be16(&gpiow->wkup_itype); + tmp &= ~(0x3 << (pin * 2)); + tmp |= (!level + 1) << (pin * 2); + out_be16(&gpiow->wkup_itype, tmp); + /* master enable */ + out_8(&gpiow->wkup_maste, 1); + + return 0; +} + +int mpc52xx_pm_prepare(suspend_state_t state) +{ + if (state != PM_SUSPEND_STANDBY) + return -EINVAL; + + /* map the whole register space */ + mbar = mpc52xx_find_and_map("mpc5200"); + if (!mbar) { + printk(KERN_ERR "%s:%i Error mapping registers\n", __func__, __LINE__); + return -ENOSYS; + } + /* these offsets are from mpc5200 users manual */ + sdram = mbar + 0x100; + cdm = mbar + 0x200; + intr = mbar + 0x500; + gpiow = mbar + 0xc00; + sram = mbar + 0x8000; /* Those will be handled by the */ + sram_size = 0x4000; /* bestcomm driver soon */ + + /* call board suspend code, if applicable */ + if (mpc52xx_suspend.board_suspend_prepare) + mpc52xx_suspend.board_suspend_prepare(mbar); + else { + printk(KERN_ALERT "%s: %i don't know how to wake up the board\n", + __func__, __LINE__); + goto out_unmap; + } + + return 0; + + out_unmap: + iounmap(mbar); + return -ENOSYS; +} + + +char saved_sram[0x4000]; + +int mpc52xx_pm_enter(suspend_state_t state) +{ + u32 clk_enables; + u32 msr, hid0; + u32 intr_main_mask; + void __iomem * irq_0x500 = (void *)CONFIG_KERNEL_START + 0x500; + unsigned long irq_0x500_stop = (unsigned long)irq_0x500 + mpc52xx_ds_cached_size; + char saved_0x500[mpc52xx_ds_cached_size]; + + /* disable all interrupts in PIC */ + intr_main_mask = in_be32(&intr->main_mask); + out_be32(&intr->main_mask, intr_main_mask | 0x1ffff); + + /* don't let DEC expire any time soon */ + mtspr(SPRN_DEC, 0x7fffffff); + + /* save SRAM */ + memcpy(saved_sram, sram, sram_size); + + /* copy low level suspend code to sram */ + memcpy(sram, mpc52xx_ds_sram, mpc52xx_ds_sram_size); + + out_8(&cdm->ccs_sleep_enable, 1); + out_8(&cdm->osc_sleep_enable, 1); + out_8(&cdm->ccs_qreq_test, 1); + + /* disable all but SDRAM and bestcomm (SRAM) clocks */ + clk_enables = in_be32(&cdm->clk_enables); + out_be32(&cdm->clk_enables, clk_enables & 0x00088000); + + /* disable power management */ + msr = mfmsr(); + mtmsr(msr & ~MSR_POW); + + /* enable sleep mode, disable others */ + hid0 = mfspr(SPRN_HID0); + mtspr(SPRN_HID0, (hid0 & ~(HID0_DOZE | HID0_NAP | HID0_DPM)) | HID0_SLEEP); + + /* save original, copy our irq handler, flush from dcache and invalidate icache */ + memcpy(saved_0x500, irq_0x500, mpc52xx_ds_cached_size); + memcpy(irq_0x500, mpc52xx_ds_cached, mpc52xx_ds_cached_size); + flush_icache_range((unsigned long)irq_0x500, irq_0x500_stop); + + /* call low-level sleep code */ + mpc52xx_deep_sleep(sram, sdram, cdm, intr); + + /* restore original irq handler */ + memcpy(irq_0x500, saved_0x500, mpc52xx_ds_cached_size); + flush_icache_range((unsigned long)irq_0x500, irq_0x500_stop); + + /* restore old power mode */ + mtmsr(msr & ~MSR_POW); + mtspr(SPRN_HID0, hid0); + mtmsr(msr); + + out_be32(&cdm->clk_enables, clk_enables); + out_8(&cdm->ccs_sleep_enable, 0); + out_8(&cdm->osc_sleep_enable, 0); + + /* restore SRAM */ + memcpy(sram, saved_sram, sram_size); + + /* restart jiffies */ + wakeup_decrementer(); + + /* reenable interrupts in PIC */ + out_be32(&intr->main_mask, intr_main_mask); + + return 0; +} + +int mpc52xx_pm_finish(suspend_state_t state) +{ + /* call board resume code */ + if (mpc52xx_suspend.board_resume_finish) + mpc52xx_suspend.board_resume_finish(mbar); + + iounmap(mbar); + + return 0; +} + +static struct pm_ops mpc52xx_pm_ops = { + .valid = mpc52xx_pm_valid, + .prepare = mpc52xx_pm_prepare, + .enter = mpc52xx_pm_enter, + .finish = mpc52xx_pm_finish, +}; + +int __init mpc52xx_pm_init(void) +{ + pm_set_ops(&mpc52xx_pm_ops); + return 0; +} diff --git a/arch/powerpc/platforms/52xx/mpc52xx_sleep.S b/arch/powerpc/platforms/52xx/mpc52xx_sleep.S new file mode 100644 index 000000000000..4dc170b0ae18 --- /dev/null +++ b/arch/powerpc/platforms/52xx/mpc52xx_sleep.S @@ -0,0 +1,154 @@ +#include <asm/reg.h> +#include <asm/ppc_asm.h> +#include <asm/processor.h> + + +.text + +_GLOBAL(mpc52xx_deep_sleep) +mpc52xx_deep_sleep: /* args r3-r6: SRAM, SDRAM regs, CDM regs, INTR regs */ + + /* enable interrupts */ + mfmsr r7 + ori r7, r7, 0x8000 /* EE */ + mtmsr r7 + sync; isync; + + li r10, 0 /* flag that irq handler sets */ + + /* enable tmr7 (or any other) interrupt */ + lwz r8, 0x14(r6) /* intr->main_mask */ + ori r8, r8, 0x1 + xori r8, r8, 0x1 + stw r8, 0x14(r6) + sync + + /* emulate tmr7 interrupt */ + li r8, 0x1 + stw r8, 0x40(r6) /* intr->main_emulate */ + sync + + /* wait for it to happen */ +1: + cmpi cr0, r10, 1 + bne cr0, 1b + + /* lock icache */ + mfspr r10, SPRN_HID0 + ori r10, r10, 0x2000 + sync; isync; + mtspr SPRN_HID0, r10 + sync; isync; + + + mflr r9 /* save LR */ + + /* jump to sram */ + mtlr r3 + blrl + + mtlr r9 /* restore LR */ + + /* unlock icache */ + mfspr r10, SPRN_HID0 + ori r10, r10, 0x2000 + xori r10, r10, 0x2000 + sync; isync; + mtspr SPRN_HID0, r10 + sync; isync; + + + /* return to C code */ + blr + + +_GLOBAL(mpc52xx_ds_sram) +mpc52xx_ds_sram: + /* put SDRAM into self-refresh */ + lwz r8, 0x4(r4) /* sdram->ctrl */ + + oris r8, r8, 0x8000 /* mode_en */ + stw r8, 0x4(r4) + sync + + ori r8, r8, 0x0002 /* soft_pre */ + stw r8, 0x4(r4) + sync + xori r8, r8, 0x0002 + + xoris r8, r8, 0x8000 /* !mode_en */ + stw r8, 0x4(r4) + sync + + oris r8, r8, 0x5000 + xoris r8, r8, 0x4000 /* ref_en !cke */ + stw r8, 0x4(r4) + sync + + /* disable SDRAM clock */ + lwz r8, 0x14(r5) /* cdm->clkenable */ + ori r8, r8, 0x0008 + xori r8, r8, 0x0008 + stw r8, 0x14(r5) + sync + + + /* put mpc5200 to sleep */ + mfmsr r10 + oris r10, r10, 0x0004 /* POW = 1 */ + sync; isync; + mtmsr r10 + sync; isync; + + + /* enable clock */ + lwz r8, 0x14(r5) + ori r8, r8, 0x0008 + stw r8, 0x14(r5) + sync + + /* get ram out of self-refresh */ + lwz r8, 0x4(r4) + oris r8, r8, 0x5000 /* cke ref_en */ + stw r8, 0x4(r4) + sync + + blr +_GLOBAL(mpc52xx_ds_sram_size) +mpc52xx_ds_sram_size: + .long $-mpc52xx_ds_sram + + +/* ### interrupt handler for wakeup from deep-sleep ### */ +_GLOBAL(mpc52xx_ds_cached) +mpc52xx_ds_cached: + mtspr SPRN_SPRG0, r7 + mtspr SPRN_SPRG1, r8 + + /* disable emulated interrupt */ + mfspr r7, 311 /* MBAR */ + addi r7, r7, 0x540 /* intr->main_emul */ + li r8, 0 + stw r8, 0(r7) + sync + dcbf 0, r7 + + /* acknowledge wakeup, so CCS releases power pown */ + mfspr r7, 311 /* MBAR */ + addi r7, r7, 0x524 /* intr->enc_status */ + lwz r8, 0(r7) + ori r8, r8, 0x0400 + stw r8, 0(r7) + sync + dcbf 0, r7 + + /* flag - we handled the interrupt */ + li r10, 1 + + mfspr r8, SPRN_SPRG1 + mfspr r7, SPRN_SPRG0 + + rfi +_GLOBAL(mpc52xx_ds_cached_size) +mpc52xx_ds_cached_size: + .long $-mpc52xx_ds_cached diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c index fff09f5d6edf..94843ed52a93 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c @@ -111,6 +111,7 @@ static struct of_device_id mpc832x_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .type = "qe", }, + { .type = "mdio", }, {}, }; diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c index 6b71e9ffb11a..b0b22bb29de7 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -73,6 +73,7 @@ static struct of_device_id mpc832x_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .type = "qe", }, + { .type = "mdio", }, {}, }; diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c index 526ed090a446..bceeff8bbfd2 100644 --- a/arch/powerpc/platforms/83xx/mpc836x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c @@ -118,6 +118,7 @@ static struct of_device_id mpc836x_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .type = "qe", }, + { .type = "mdio", }, {}, }; diff --git a/arch/powerpc/platforms/85xx/mpc8544_ds.c b/arch/powerpc/platforms/85xx/mpc8544_ds.c index 2867f85e6325..bec84ffe708e 100644 --- a/arch/powerpc/platforms/85xx/mpc8544_ds.c +++ b/arch/powerpc/platforms/85xx/mpc8544_ds.c @@ -84,7 +84,7 @@ void __init mpc8544_ds_pic_init(void) #ifdef CONFIG_PPC_I8259 /* Initialize the i8259 controller */ for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "chrp,iic")) { + if (of_device_is_compatible(np, "chrp,iic")) { cascade_node = np; break; } diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 7e71636f9098..1490eb3ce0d3 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -197,7 +197,7 @@ static void __init mpc85xx_cds_pic_init(void) #ifdef CONFIG_PPC_I8259 /* Initialize the i8259 controller */ for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "chrp,iic")) { + if (of_device_is_compatible(np, "chrp,iic")) { cascade_node = np; break; } diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 54db41689954..e3dddbfe66ff 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -147,6 +147,7 @@ static struct of_device_id mpc85xx_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .type = "qe", }, + { .type = "mdio", }, {}, }; diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index 3d3d98f5bd4a..90877565caa3 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -102,7 +102,7 @@ mpc86xx_hpcn_init_irq(void) #ifdef CONFIG_PCI /* Initialize i8259 controller */ for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "chrp,iic")) { + if (of_device_is_compatible(np, "chrp,iic")) { cascade_node = np; break; } diff --git a/arch/powerpc/platforms/86xx/mpc86xx_smp.c b/arch/powerpc/platforms/86xx/mpc86xx_smp.c index 7ef0c6854799..ba55b0ff0f74 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_smp.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_smp.c @@ -15,8 +15,8 @@ #include <linux/init.h> #include <linux/delay.h> -#include <asm/pgtable.h> #include <asm/page.h> +#include <asm/pgtable.h> #include <asm/pci-bridge.h> #include <asm-powerpc/mpic.h> #include <asm/mpc86xx.h> diff --git a/arch/powerpc/platforms/8xx/mpc86xads_setup.c b/arch/powerpc/platforms/8xx/mpc86xads_setup.c index a35315af5c53..cf0e7bc8c2e7 100644 --- a/arch/powerpc/platforms/8xx/mpc86xads_setup.c +++ b/arch/powerpc/platforms/8xx/mpc86xads_setup.c @@ -1,4 +1,4 @@ -/*arch/ppc/platforms/mpc86xads-setup.c +/*arch/powerpc/platforms/8xx/mpc86xads_setup.c * * Platform setup for the Freescale mpc86xads board * diff --git a/arch/powerpc/platforms/8xx/mpc885ads_setup.c b/arch/powerpc/platforms/8xx/mpc885ads_setup.c index a57b57785acd..c36e475d93dc 100644 --- a/arch/powerpc/platforms/8xx/mpc885ads_setup.c +++ b/arch/powerpc/platforms/8xx/mpc885ads_setup.c @@ -1,4 +1,4 @@ -/*arch/ppc/platforms/mpc885ads-setup.c +/*arch/powerpc/platforms/8xx/mpc885ads_setup.c * * Platform setup for the Freescale mpc885ads board * diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 51e33347c147..361acfa2894c 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -42,6 +42,7 @@ source "arch/powerpc/platforms/83xx/Kconfig" source "arch/powerpc/platforms/85xx/Kconfig" source "arch/powerpc/platforms/86xx/Kconfig" source "arch/powerpc/platforms/embedded6xx/Kconfig" +source "arch/powerpc/platforms/44x/Kconfig" #source "arch/powerpc/platforms/4xx/Kconfig config PPC_NATIVE diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile index 452004283f17..d6e041a46d25 100644 --- a/arch/powerpc/platforms/Makefile +++ b/arch/powerpc/platforms/Makefile @@ -6,7 +6,8 @@ obj-$(CONFIG_PPC_PMAC) += powermac/ endif endif obj-$(CONFIG_PPC_CHRP) += chrp/ -obj-$(CONFIG_4xx) += 4xx/ +#obj-$(CONFIG_4xx) += 4xx/ +obj-$(CONFIG_44x) += 44x/ obj-$(CONFIG_PPC_MPC52xx) += 52xx/ obj-$(CONFIG_PPC_8xx) += 8xx/ obj-$(CONFIG_PPC_82xx) += 82xx/ diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index 82551770917c..9b2b386ccf48 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -35,6 +35,21 @@ config SPU_FS Units on machines implementing the Broadband Processor Architecture. +config SPU_FS_64K_LS + bool "Use 64K pages to map SPE local store" + # we depend on PPC_MM_SLICES for now rather than selecting + # it because we depend on hugetlbfs hooks being present. We + # will fix that when the generic code has been improved to + # not require hijacking hugetlbfs hooks. + depends on SPU_FS && PPC_MM_SLICES && !PPC_64K_PAGES + default y + select PPC_HAS_HASH_64K + help + This option causes SPE local stores to be mapped in process + address spaces using 64K pages while the rest of the kernel + uses 4K pages. This can improve performances of applications + using multiple SPEs by lowering the TLB pressure on them. + config SPU_BASE bool default n diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index 4fc4e92775d0..47264e722029 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -227,7 +227,7 @@ void iic_request_IPIs(void) static int iic_host_match(struct irq_host *h, struct device_node *node) { - return device_is_compatible(node, + return of_device_is_compatible(node, "IBM,CBEA-Internal-Interrupt-Controller"); } @@ -256,7 +256,7 @@ static int iic_host_xlate(struct irq_host *h, struct device_node *ct, unsigned int node, ext, unit, class; const u32 *val; - if (!device_is_compatible(ct, + if (!of_device_is_compatible(ct, "IBM,CBEA-Internal-Interrupt-Controller")) return -ENODEV; if (intsize != 1) @@ -324,7 +324,7 @@ static int __init setup_iic(void) for (dn = NULL; (dn = of_find_node_by_name(dn,"interrupt-controller")) != NULL;) { - if (!device_is_compatible(dn, + if (!of_device_is_compatible(dn, "IBM,CBEA-Internal-Interrupt-Controller")) continue; np = of_get_property(dn, "ibm,interrupt-server-ranges", NULL); diff --git a/arch/powerpc/platforms/cell/io-workarounds.c b/arch/powerpc/platforms/cell/io-workarounds.c index d68d920eb2c4..7fb92f23f380 100644 --- a/arch/powerpc/platforms/cell/io-workarounds.c +++ b/arch/powerpc/platforms/cell/io-workarounds.c @@ -74,7 +74,7 @@ static void spider_io_flush(const volatile void __iomem *addr) /* Fast path if we have a non-0 token, it indicates which bus we * are on. * - * If the token is 0, that means either the the ioremap was done + * If the token is 0, that means either that the ioremap was done * before we initialized this layer, or it's a PIO operation. We * fallback to a low path in this case. Hopefully, internal devices * which are ioremap'ed early should use in_XX/out_XX functions diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index 54b96183cb64..db6654272e13 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -112,7 +112,7 @@ static void __init mpic_init_IRQ(void) for (dn = NULL; (dn = of_find_node_by_name(dn, "interrupt-controller"));) { - if (!device_is_compatible(dn, "CBEA,platform-open-pic")) + if (!of_device_is_compatible(dn, "CBEA,platform-open-pic")) continue; /* The MPIC driver will get everything it needs from the diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c index fb1f15797bbb..05f4b3d3d756 100644 --- a/arch/powerpc/platforms/cell/spider-pic.c +++ b/arch/powerpc/platforms/cell/spider-pic.c @@ -358,12 +358,12 @@ void __init spider_init_IRQ(void) */ for (dn = NULL; (dn = of_find_node_by_name(dn, "interrupt-controller"));) { - if (device_is_compatible(dn, "CBEA,platform-spider-pic")) { + if (of_device_is_compatible(dn, "CBEA,platform-spider-pic")) { if (of_address_to_resource(dn, 0, &r)) { printk(KERN_WARNING "spider-pic: Failed\n"); continue; } - } else if (device_is_compatible(dn, "sti,platform-spider-pic") + } else if (of_device_is_compatible(dn, "sti,platform-spider-pic") && (chip < 2)) { static long hard_coded_pics[] = { 0x24000008000ul, 0x34000008000ul}; diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index fec51525252e..a7f5a7653c62 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -144,12 +144,11 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea) switch(REGION_ID(ea)) { case USER_REGION_ID: -#ifdef CONFIG_HUGETLB_PAGE - if (in_hugepage_area(mm->context, ea)) - psize = mmu_huge_psize; - else +#ifdef CONFIG_PPC_MM_SLICES + psize = get_slice_psize(mm, ea); +#else + psize = mm->context.user_psize; #endif - psize = mm->context.user_psize; vsid = (get_vsid(mm->context.id, ea) << SLB_VSID_SHIFT) | SLB_VSID_USER; break; diff --git a/arch/powerpc/platforms/cell/spufs/Makefile b/arch/powerpc/platforms/cell/spufs/Makefile index 2cd89c11af5a..328afcf89503 100644 --- a/arch/powerpc/platforms/cell/spufs/Makefile +++ b/arch/powerpc/platforms/cell/spufs/Makefile @@ -1,4 +1,4 @@ -obj-y += switch.o fault.o +obj-y += switch.o fault.o lscsa_alloc.o obj-$(CONFIG_SPU_FS) += spufs.o spufs-y += inode.o file.o context.o syscalls.o coredump.o diff --git a/arch/powerpc/platforms/cell/spufs/backing_ops.c b/arch/powerpc/platforms/cell/spufs/backing_ops.c index 3322528fa6eb..d32db9ffc6eb 100644 --- a/arch/powerpc/platforms/cell/spufs/backing_ops.c +++ b/arch/powerpc/platforms/cell/spufs/backing_ops.c @@ -28,7 +28,6 @@ #include <linux/mm.h> #include <linux/vmalloc.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/poll.h> diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c index a87d9ca3dba2..8654749e317b 100644 --- a/arch/powerpc/platforms/cell/spufs/context.c +++ b/arch/powerpc/platforms/cell/spufs/context.c @@ -36,10 +36,8 @@ struct spu_context *alloc_spu_context(struct spu_gang *gang) /* Binding to physical processor deferred * until spu_activate(). */ - spu_init_csa(&ctx->csa); - if (!ctx->csa.lscsa) { + if (spu_init_csa(&ctx->csa)) goto out_free; - } spin_lock_init(&ctx->mmio_lock); spin_lock_init(&ctx->mapping_lock); kref_init(&ctx->kref); diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index d010b2464a98..45614c73c784 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -118,14 +118,32 @@ spufs_mem_write(struct file *file, const char __user *buffer, static unsigned long spufs_mem_mmap_nopfn(struct vm_area_struct *vma, unsigned long address) { - struct spu_context *ctx = vma->vm_file->private_data; - unsigned long pfn, offset = address - vma->vm_start; - - offset += vma->vm_pgoff << PAGE_SHIFT; + struct spu_context *ctx = vma->vm_file->private_data; + unsigned long pfn, offset, addr0 = address; +#ifdef CONFIG_SPU_FS_64K_LS + struct spu_state *csa = &ctx->csa; + int psize; + + /* Check what page size we are using */ + psize = get_slice_psize(vma->vm_mm, address); + + /* Some sanity checking */ + BUG_ON(csa->use_big_pages != (psize == MMU_PAGE_64K)); + + /* Wow, 64K, cool, we need to align the address though */ + if (csa->use_big_pages) { + BUG_ON(vma->vm_start & 0xffff); + address &= ~0xfffful; + } +#endif /* CONFIG_SPU_FS_64K_LS */ + offset = (address - vma->vm_start) + (vma->vm_pgoff << PAGE_SHIFT); if (offset >= LS_SIZE) return NOPFN_SIGBUS; + pr_debug("spufs_mem_mmap_nopfn address=0x%lx -> 0x%lx, offset=0x%lx\n", + addr0, address, offset); + spu_acquire(ctx); if (ctx->state == SPU_STATE_SAVED) { @@ -149,9 +167,24 @@ static struct vm_operations_struct spufs_mem_mmap_vmops = { .nopfn = spufs_mem_mmap_nopfn, }; -static int -spufs_mem_mmap(struct file *file, struct vm_area_struct *vma) -{ +static int spufs_mem_mmap(struct file *file, struct vm_area_struct *vma) +{ +#ifdef CONFIG_SPU_FS_64K_LS + struct spu_context *ctx = file->private_data; + struct spu_state *csa = &ctx->csa; + + /* Sanity check VMA alignment */ + if (csa->use_big_pages) { + pr_debug("spufs_mem_mmap 64K, start=0x%lx, end=0x%lx," + " pgoff=0x%lx\n", vma->vm_start, vma->vm_end, + vma->vm_pgoff); + if (vma->vm_start & 0xffff) + return -EINVAL; + if (vma->vm_pgoff & 0xf) + return -EINVAL; + } +#endif /* CONFIG_SPU_FS_64K_LS */ + if (!(vma->vm_flags & VM_SHARED)) return -EINVAL; @@ -163,13 +196,34 @@ spufs_mem_mmap(struct file *file, struct vm_area_struct *vma) return 0; } +#ifdef CONFIG_SPU_FS_64K_LS +unsigned long spufs_get_unmapped_area(struct file *file, unsigned long addr, + unsigned long len, unsigned long pgoff, + unsigned long flags) +{ + struct spu_context *ctx = file->private_data; + struct spu_state *csa = &ctx->csa; + + /* If not using big pages, fallback to normal MM g_u_a */ + if (!csa->use_big_pages) + return current->mm->get_unmapped_area(file, addr, len, + pgoff, flags); + + /* Else, try to obtain a 64K pages slice */ + return slice_get_unmapped_area(addr, len, flags, + MMU_PAGE_64K, 1, 0); +} +#endif /* CONFIG_SPU_FS_64K_LS */ + static const struct file_operations spufs_mem_fops = { - .open = spufs_mem_open, - .release = spufs_mem_release, - .read = spufs_mem_read, - .write = spufs_mem_write, - .llseek = generic_file_llseek, - .mmap = spufs_mem_mmap, + .open = spufs_mem_open, + .read = spufs_mem_read, + .write = spufs_mem_write, + .llseek = generic_file_llseek, + .mmap = spufs_mem_mmap, +#ifdef CONFIG_SPU_FS_64K_LS + .get_unmapped_area = spufs_get_unmapped_area, +#endif }; static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma, diff --git a/arch/powerpc/platforms/cell/spufs/hw_ops.c b/arch/powerpc/platforms/cell/spufs/hw_ops.c index 428875c5e4ec..fc4ed1ffbd4f 100644 --- a/arch/powerpc/platforms/cell/spufs/hw_ops.c +++ b/arch/powerpc/platforms/cell/spufs/hw_ops.c @@ -25,7 +25,6 @@ #include <linux/mm.h> #include <linux/poll.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> diff --git a/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c b/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c new file mode 100644 index 000000000000..f4b3c052dabf --- /dev/null +++ b/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c @@ -0,0 +1,181 @@ +/* + * SPU local store allocation routines + * + * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#undef DEBUG + +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/vmalloc.h> + +#include <asm/spu.h> +#include <asm/spu_csa.h> +#include <asm/mmu.h> + +static int spu_alloc_lscsa_std(struct spu_state *csa) +{ + struct spu_lscsa *lscsa; + unsigned char *p; + + lscsa = vmalloc(sizeof(struct spu_lscsa)); + if (!lscsa) + return -ENOMEM; + memset(lscsa, 0, sizeof(struct spu_lscsa)); + csa->lscsa = lscsa; + + /* Set LS pages reserved to allow for user-space mapping. */ + for (p = lscsa->ls; p < lscsa->ls + LS_SIZE; p += PAGE_SIZE) + SetPageReserved(vmalloc_to_page(p)); + + return 0; +} + +static void spu_free_lscsa_std(struct spu_state *csa) +{ + /* Clear reserved bit before vfree. */ + unsigned char *p; + + if (csa->lscsa == NULL) + return; + + for (p = csa->lscsa->ls; p < csa->lscsa->ls + LS_SIZE; p += PAGE_SIZE) + ClearPageReserved(vmalloc_to_page(p)); + + vfree(csa->lscsa); +} + +#ifdef CONFIG_SPU_FS_64K_LS + +#define SPU_64K_PAGE_SHIFT 16 +#define SPU_64K_PAGE_ORDER (SPU_64K_PAGE_SHIFT - PAGE_SHIFT) +#define SPU_64K_PAGE_COUNT (1ul << SPU_64K_PAGE_ORDER) + +int spu_alloc_lscsa(struct spu_state *csa) +{ + struct page **pgarray; + unsigned char *p; + int i, j, n_4k; + + /* Check availability of 64K pages */ + if (mmu_psize_defs[MMU_PAGE_64K].shift == 0) + goto fail; + + csa->use_big_pages = 1; + + pr_debug("spu_alloc_lscsa(csa=0x%p), trying to allocate 64K pages\n", + csa); + + /* First try to allocate our 64K pages. We need 5 of them + * with the current implementation. In the future, we should try + * to separate the lscsa with the actual local store image, thus + * allowing us to require only 4 64K pages per context + */ + for (i = 0; i < SPU_LSCSA_NUM_BIG_PAGES; i++) { + /* XXX This is likely to fail, we should use a special pool + * similiar to what hugetlbfs does. + */ + csa->lscsa_pages[i] = alloc_pages(GFP_KERNEL, + SPU_64K_PAGE_ORDER); + if (csa->lscsa_pages[i] == NULL) + goto fail; + } + + pr_debug(" success ! creating vmap...\n"); + + /* Now we need to create a vmalloc mapping of these for the kernel + * and SPU context switch code to use. Currently, we stick to a + * normal kernel vmalloc mapping, which in our case will be 4K + */ + n_4k = SPU_64K_PAGE_COUNT * SPU_LSCSA_NUM_BIG_PAGES; + pgarray = kmalloc(sizeof(struct page *) * n_4k, GFP_KERNEL); + if (pgarray == NULL) + goto fail; + for (i = 0; i < SPU_LSCSA_NUM_BIG_PAGES; i++) + for (j = 0; j < SPU_64K_PAGE_COUNT; j++) + /* We assume all the struct page's are contiguous + * which should be hopefully the case for an order 4 + * allocation.. + */ + pgarray[i * SPU_64K_PAGE_COUNT + j] = + csa->lscsa_pages[i] + j; + csa->lscsa = vmap(pgarray, n_4k, VM_USERMAP, PAGE_KERNEL); + kfree(pgarray); + if (csa->lscsa == NULL) + goto fail; + + memset(csa->lscsa, 0, sizeof(struct spu_lscsa)); + + /* Set LS pages reserved to allow for user-space mapping. + * + * XXX isn't that a bit obsolete ? I think we should just + * make sure the page count is high enough. Anyway, won't harm + * for now + */ + for (p = csa->lscsa->ls; p < csa->lscsa->ls + LS_SIZE; p += PAGE_SIZE) + SetPageReserved(vmalloc_to_page(p)); + + pr_debug(" all good !\n"); + + return 0; +fail: + pr_debug("spufs: failed to allocate lscsa 64K pages, falling back\n"); + spu_free_lscsa(csa); + return spu_alloc_lscsa_std(csa); +} + +void spu_free_lscsa(struct spu_state *csa) +{ + unsigned char *p; + int i; + + if (!csa->use_big_pages) { + spu_free_lscsa_std(csa); + return; + } + csa->use_big_pages = 0; + + if (csa->lscsa == NULL) + goto free_pages; + + for (p = csa->lscsa->ls; p < csa->lscsa->ls + LS_SIZE; p += PAGE_SIZE) + ClearPageReserved(vmalloc_to_page(p)); + + vunmap(csa->lscsa); + csa->lscsa = NULL; + + free_pages: + + for (i = 0; i < SPU_LSCSA_NUM_BIG_PAGES; i++) + if (csa->lscsa_pages[i]) + __free_pages(csa->lscsa_pages[i], SPU_64K_PAGE_ORDER); +} + +#else /* CONFIG_SPU_FS_64K_LS */ + +int spu_alloc_lscsa(struct spu_state *csa) +{ + return spu_alloc_lscsa_std(csa); +} + +void spu_free_lscsa(struct spu_state *csa) +{ + spu_free_lscsa_std(csa); +} + +#endif /* !defined(CONFIG_SPU_FS_64K_LS) */ diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 91030b8abdca..b6ecb30e7d58 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -30,7 +30,6 @@ #include <linux/completion.h> #include <linux/vmalloc.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/numa.h> diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c index 8347c4a3f894..71a0b41adb8c 100644 --- a/arch/powerpc/platforms/cell/spufs/switch.c +++ b/arch/powerpc/platforms/cell/spufs/switch.c @@ -39,7 +39,6 @@ #include <linux/mm.h> #include <linux/vmalloc.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> @@ -2189,40 +2188,30 @@ static void init_priv2(struct spu_state *csa) * as it is by far the largest of the context save regions, * and may need to be pinned or otherwise specially aligned. */ -void spu_init_csa(struct spu_state *csa) +int spu_init_csa(struct spu_state *csa) { - struct spu_lscsa *lscsa; - unsigned char *p; + int rc; if (!csa) - return; + return -EINVAL; memset(csa, 0, sizeof(struct spu_state)); - lscsa = vmalloc(sizeof(struct spu_lscsa)); - if (!lscsa) - return; + rc = spu_alloc_lscsa(csa); + if (rc) + return rc; - memset(lscsa, 0, sizeof(struct spu_lscsa)); - csa->lscsa = lscsa; spin_lock_init(&csa->register_lock); - /* Set LS pages reserved to allow for user-space mapping. */ - for (p = lscsa->ls; p < lscsa->ls + LS_SIZE; p += PAGE_SIZE) - SetPageReserved(vmalloc_to_page(p)); - init_prob(csa); init_priv1(csa); init_priv2(csa); + + return 0; } EXPORT_SYMBOL_GPL(spu_init_csa); void spu_fini_csa(struct spu_state *csa) { - /* Clear reserved bit before vfree. */ - unsigned char *p; - for (p = csa->lscsa->ls; p < csa->lscsa->ls + LS_SIZE; p += PAGE_SIZE) - ClearPageReserved(vmalloc_to_page(p)); - - vfree(csa->lscsa); + spu_free_lscsa(csa); } EXPORT_SYMBOL_GPL(spu_fini_csa); diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c index 1469d6478f67..d32fedc991d3 100644 --- a/arch/powerpc/platforms/chrp/pci.c +++ b/arch/powerpc/platforms/chrp/pci.c @@ -267,7 +267,7 @@ chrp_find_bridges(void) model = of_get_property(dev, "model", NULL); if (model == NULL) model = "<none>"; - if (device_is_compatible(dev, "IBM,python")) { + if (of_device_is_compatible(dev, "IBM,python")) { setup_python(hose, dev); } else if (is_mot || strncmp(model, "Motorola, Grackle", 17) == 0) { diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 1870038a8e0a..373de4c063db 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -448,7 +448,7 @@ static void __init chrp_find_8259(void) /* Look for cascade */ for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "chrp,iic")) { + if (of_device_is_compatible(np, "chrp,iic")) { pic = np; break; } diff --git a/arch/powerpc/platforms/chrp/smp.c b/arch/powerpc/platforms/chrp/smp.c index 1d2307e87c30..3ea0eb78568e 100644 --- a/arch/powerpc/platforms/chrp/smp.c +++ b/arch/powerpc/platforms/chrp/smp.c @@ -11,7 +11,6 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/delay.h> diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig index 9557908ef545..8f3c2a73e165 100644 --- a/arch/powerpc/platforms/embedded6xx/Kconfig +++ b/arch/powerpc/platforms/embedded6xx/Kconfig @@ -20,16 +20,24 @@ config MPC7448HPC2 select TSI108_BRIDGE select DEFAULT_UIMAGE select PPC_UDBG_16550 - select MPIC - select MPIC_WEIRD help Select MPC7448HPC2 if configuring for Freescale MPC7448HPC2 (Taiga) platform + +config PPC_HOLLY + bool "PPC750GX/CL with TSI10x bridge (Hickory/Holly)" + select TSI108_BRIDGE + select PPC_UDBG_16550 + help + Select PPC_HOLLY if configuring for an IBM 750GX/CL Eval + Board with TSI108/9 bridge (Hickory/Holly) endchoice config TSI108_BRIDGE bool - depends on MPC7448HPC2 + depends on MPC7448HPC2 || PPC_HOLLY + select MPIC + select MPIC_WEIRD default y config MPC10X_BRIDGE diff --git a/arch/powerpc/platforms/embedded6xx/Makefile b/arch/powerpc/platforms/embedded6xx/Makefile index d3d11a3cd656..b39fe4f470d5 100644 --- a/arch/powerpc/platforms/embedded6xx/Makefile +++ b/arch/powerpc/platforms/embedded6xx/Makefile @@ -3,3 +3,4 @@ # obj-$(CONFIG_MPC7448HPC2) += mpc7448_hpc2.o obj-$(CONFIG_LINKSTATION) += linkstation.o ls_uart.o +obj-$(CONFIG_PPC_HOLLY) += holly.o diff --git a/arch/powerpc/platforms/embedded6xx/holly.c b/arch/powerpc/platforms/embedded6xx/holly.c new file mode 100644 index 000000000000..3a0b4a01401c --- /dev/null +++ b/arch/powerpc/platforms/embedded6xx/holly.c @@ -0,0 +1,317 @@ +/* + * Board setup routines for the IBM 750GX/CL platform w/ TSI10x bridge + * + * Copyright 2007 IBM Corporation + * + * Stephen Winiecki <stevewin@us.ibm.com> + * Josh Boyer <jwboyer@linux.vnet.ibm.com> + * + * Based on code from mpc7448_hpc2.c + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + */ + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/kdev_t.h> +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/ide.h> +#include <linux/seq_file.h> +#include <linux/root_dev.h> +#include <linux/serial.h> +#include <linux/tty.h> +#include <linux/serial_core.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/tsi108.h> +#include <asm/pci-bridge.h> +#include <asm/reg.h> +#include <mm/mmu_decl.h> +#include <asm/tsi108_irq.h> +#include <asm/tsi108_pci.h> +#include <asm/mpic.h> +#include <asm/of_platform.h> + +#undef DEBUG + +#define HOLLY_PCI_CFG_PHYS 0x7c000000 + +int holly_exclude_device(u_char bus, u_char devfn) +{ + if (bus == 0 && PCI_SLOT(devfn) == 0) + return PCIBIOS_DEVICE_NOT_FOUND; + else + return PCIBIOS_SUCCESSFUL; +} + +static void holly_remap_bridge(void) +{ + u32 lut_val, lut_addr; + int i; + + printk(KERN_INFO "Remapping PCI bridge\n"); + + /* Re-init the PCI bridge and LUT registers to have mappings that don't + * rely on PIBS + */ + lut_addr = 0x900; + for (i = 0; i < 31; i++) { + tsi108_write_reg(TSI108_PB_OFFSET + lut_addr, 0x00000201); + lut_addr += 4; + tsi108_write_reg(TSI108_PB_OFFSET + lut_addr, 0x0); + lut_addr += 4; + } + + /* Reserve the last LUT entry for PCI I/O space */ + tsi108_write_reg(TSI108_PB_OFFSET + lut_addr, 0x00000241); + lut_addr += 4; + tsi108_write_reg(TSI108_PB_OFFSET + lut_addr, 0x0); + + /* Map PCI I/O space */ + tsi108_write_reg(TSI108_PCI_PFAB_IO_UPPER, 0x0); + tsi108_write_reg(TSI108_PCI_PFAB_IO, 0x1); + + /* Map PCI CFG space */ + tsi108_write_reg(TSI108_PCI_PFAB_BAR0_UPPER, 0x0); + tsi108_write_reg(TSI108_PCI_PFAB_BAR0, 0x7c000000 | 0x01); + + /* We don't need MEM32 and PRM remapping so disable them */ + tsi108_write_reg(TSI108_PCI_PFAB_MEM32, 0x0); + tsi108_write_reg(TSI108_PCI_PFAB_PFM3, 0x0); + tsi108_write_reg(TSI108_PCI_PFAB_PFM4, 0x0); + + /* Set P2O_BAR0 */ + tsi108_write_reg(TSI108_PCI_P2O_BAR0_UPPER, 0x0); + tsi108_write_reg(TSI108_PCI_P2O_BAR0, 0xc0000000); + + /* Init the PCI LUTs to do no remapping */ + lut_addr = 0x500; + lut_val = 0x00000002; + + for (i = 0; i < 32; i++) { + tsi108_write_reg(TSI108_PCI_OFFSET + lut_addr, lut_val); + lut_addr += 4; + tsi108_write_reg(TSI108_PCI_OFFSET + lut_addr, 0x40000000); + lut_addr += 4; + lut_val += 0x02000000; + } + tsi108_write_reg(TSI108_PCI_P2O_PAGE_SIZES, 0x00007900); + + /* Set 64-bit PCI bus address for system memory */ + tsi108_write_reg(TSI108_PCI_P2O_BAR2_UPPER, 0x0); + tsi108_write_reg(TSI108_PCI_P2O_BAR2, 0x0); +} + +static void __init holly_setup_arch(void) +{ + struct device_node *cpu; + struct device_node *np; + + if (ppc_md.progress) + ppc_md.progress("holly_setup_arch():set_bridge", 0); + + cpu = of_find_node_by_type(NULL, "cpu"); + if (cpu) { + const unsigned int *fp; + + fp = of_get_property(cpu, "clock-frequency", NULL); + if (fp) + loops_per_jiffy = *fp / HZ; + else + loops_per_jiffy = 50000000 / HZ; + of_node_put(cpu); + } + tsi108_csr_vir_base = get_vir_csrbase(); + + /* setup PCI host bridge */ + holly_remap_bridge(); + + np = of_find_node_by_type(NULL, "pci"); + if (np) + tsi108_setup_pci(np, HOLLY_PCI_CFG_PHYS, 1); + + ppc_md.pci_exclude_device = holly_exclude_device; + if (ppc_md.progress) + ppc_md.progress("tsi108: resources set", 0x100); + + printk(KERN_INFO "PPC750GX/CL Platform\n"); +} + +/* + * Interrupt setup and service. Interrrupts on the holly come + * from the four external INT pins, PCI interrupts are routed via + * PCI interrupt control registers, it generates internal IRQ23 + * + * Interrupt routing on the Holly Board: + * TSI108:PB_INT[0] -> CPU0:INT# + * TSI108:PB_INT[1] -> CPU0:MCP# + * TSI108:PB_INT[2] -> N/C + * TSI108:PB_INT[3] -> N/C + */ +static void __init holly_init_IRQ(void) +{ + struct mpic *mpic; + phys_addr_t mpic_paddr = 0; + struct device_node *tsi_pic; +#ifdef CONFIG_PCI + unsigned int cascade_pci_irq; + struct device_node *tsi_pci; + struct device_node *cascade_node = NULL; +#endif + + tsi_pic = of_find_node_by_type(NULL, "open-pic"); + if (tsi_pic) { + unsigned int size; + const void *prop = of_get_property(tsi_pic, "reg", &size); + mpic_paddr = of_translate_address(tsi_pic, prop); + } + + if (mpic_paddr == 0) { + printk(KERN_ERR "%s: No tsi108 PIC found !\n", __func__); + return; + } + + pr_debug("%s: tsi108 pic phys_addr = 0x%x\n", __func__, (u32) mpic_paddr); + + mpic = mpic_alloc(tsi_pic, mpic_paddr, + MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET | + MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108, + 24, + NR_IRQS-4, /* num_sources used */ + "Tsi108_PIC"); + + BUG_ON(mpic == NULL); + + mpic_assign_isu(mpic, 0, mpic_paddr + 0x100); + + mpic_init(mpic); + +#ifdef CONFIG_PCI + tsi_pci = of_find_node_by_type(NULL, "pci"); + if (tsi_pci == NULL) { + printk(KERN_ERR "%s: No tsi108 pci node found !\n", __func__); + return; + } + + cascade_node = of_find_node_by_type(NULL, "pic-router"); + if (cascade_node == NULL) { + printk(KERN_ERR "%s: No tsi108 pci cascade node found !\n", __func__); + return; + } + + cascade_pci_irq = irq_of_parse_and_map(tsi_pci, 0); + pr_debug("%s: tsi108 cascade_pci_irq = 0x%x\n", __func__, (u32) cascade_pci_irq); + tsi108_pci_int_init(cascade_node); + set_irq_data(cascade_pci_irq, mpic); + set_irq_chained_handler(cascade_pci_irq, tsi108_irq_cascade); +#endif + /* Configure MPIC outputs to CPU0 */ + tsi108_write_reg(TSI108_MPIC_OFFSET + 0x30c, 0); + of_node_put(tsi_pic); +} + +void holly_show_cpuinfo(struct seq_file *m) +{ + seq_printf(m, "vendor\t\t: IBM\n"); + seq_printf(m, "machine\t\t: PPC750 GX/CL\n"); +} + +void holly_restart(char *cmd) +{ + __be32 __iomem *ocn_bar1 = NULL; + unsigned long bar; + struct device_node *bridge = NULL; + const void *prop; + int size; + phys_addr_t addr = 0xc0000000; + + local_irq_disable(); + + bridge = of_find_node_by_type(NULL, "tsi-bridge"); + if (bridge) { + prop = of_get_property(bridge, "reg", &size); + addr = of_translate_address(bridge, prop); + } + addr += (TSI108_PB_OFFSET + 0x414); + + ocn_bar1 = ioremap(addr, 0x4); + + /* Turn on the BOOT bit so the addresses are correctly + * routed to the HLP interface */ + bar = ioread32be(ocn_bar1); + bar |= 2; + iowrite32be(bar, ocn_bar1); + iosync(); + + /* Set SRR0 to the reset vector and turn on MSR_IP */ + mtspr(SPRN_SRR0, 0xfff00100); + mtspr(SPRN_SRR1, MSR_IP); + + /* Do an rfi to jump back to firmware. Somewhat evil, + * but it works + */ + __asm__ __volatile__("rfi" : : : "memory"); + + /* Spin until reset happens. Shouldn't really get here */ + for (;;) ; +} + +void holly_power_off(void) +{ + local_irq_disable(); + /* No way to shut power off with software */ + for (;;) ; +} + +void holly_halt(void) +{ + holly_power_off(); +} + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init holly_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "ibm,holly")) + return 0; + return 1; +} + +static int ppc750_machine_check_exception(struct pt_regs *regs) +{ + const struct exception_table_entry *entry; + + /* Are we prepared to handle this fault */ + if ((entry = search_exception_tables(regs->nip)) != NULL) { + tsi108_clear_pci_cfg_error(); + regs->msr |= MSR_RI; + regs->nip = entry->fixup; + return 1; + } + return 0; +} + +define_machine(holly){ + .name = "PPC750 GX/CL TSI", + .probe = holly_probe, + .setup_arch = holly_setup_arch, + .init_IRQ = holly_init_IRQ, + .show_cpuinfo = holly_show_cpuinfo, + .get_irq = mpic_get_irq, + .restart = holly_restart, + .calibrate_decr = generic_calibrate_decr, + .machine_check_exception = ppc750_machine_check_exception, + .progress = udbg_progress, +}; diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c index c3f64ddb0be6..4542e0c837c0 100644 --- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c +++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c @@ -41,6 +41,7 @@ #include <asm/reg.h> #include <mm/mmu_decl.h> #include "mpc7448_hpc2.h" +#include <asm/tsi108_pci.h> #include <asm/tsi108_irq.h> #include <asm/mpic.h> @@ -51,16 +52,15 @@ #define DBG(fmt...) do { } while(0) #endif +#define MPC7448HPC2_PCI_CFG_PHYS 0xfb000000 + #ifndef CONFIG_PCI isa_io_base = MPC7448_HPC2_ISA_IO_BASE; isa_mem_base = MPC7448_HPC2_ISA_MEM_BASE; pci_dram_offset = MPC7448_HPC2_PCI_MEM_OFFSET; #endif -extern int tsi108_setup_pci(struct device_node *dev); extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); -extern void tsi108_pci_int_init(struct device_node *node); -extern void tsi108_irq_cascade(unsigned int irq, struct irq_desc *desc); int mpc7448_hpc2_exclude_device(u_char bus, u_char devfn) { @@ -72,28 +72,16 @@ int mpc7448_hpc2_exclude_device(u_char bus, u_char devfn) static void __init mpc7448_hpc2_setup_arch(void) { - struct device_node *cpu; struct device_node *np; if (ppc_md.progress) ppc_md.progress("mpc7448_hpc2_setup_arch():set_bridge", 0); - cpu = of_find_node_by_type(NULL, "cpu"); - if (cpu != 0) { - const unsigned int *fp; - - fp = of_get_property(cpu, "clock-frequency", NULL); - if (fp != 0) - loops_per_jiffy = *fp / HZ; - else - loops_per_jiffy = 50000000 / HZ; - of_node_put(cpu); - } tsi108_csr_vir_base = get_vir_csrbase(); /* setup PCI host bridge */ #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - tsi108_setup_pci(np); + tsi108_setup_pci(np, MPC7448HPC2_PCI_CFG_PHYS, 0); ppc_md.pci_exclude_device = mpc7448_hpc2_exclude_device; if (ppc_md.progress) @@ -222,7 +210,6 @@ static int __init mpc7448_hpc2_probe(void) static int mpc7448_machine_check_exception(struct pt_regs *regs) { - extern void tsi108_clear_pci_cfg_error(void); const struct exception_table_entry *entry; /* Are we prepared to handle this fault */ diff --git a/arch/powerpc/platforms/iseries/Kconfig b/arch/powerpc/platforms/iseries/Kconfig index 46c3a8e7c3a8..761d9e971fc4 100644 --- a/arch/powerpc/platforms/iseries/Kconfig +++ b/arch/powerpc/platforms/iseries/Kconfig @@ -7,7 +7,9 @@ menu "iSeries device drivers" depends on PPC_ISERIES config VIOCONS - tristate "iSeries Virtual Console Support (Obsolete)" + bool "iSeries Virtual Console Support (Obsolete)" + depends on !HVC_ISERIES + default n help This is the old virtual console driver for legacy iSeries. You should use the iSeries Hypervisor Virtual Console diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c index aee5908df700..722335e32fd4 100644 --- a/arch/powerpc/platforms/iseries/smp.c +++ b/arch/powerpc/platforms/iseries/smp.c @@ -18,7 +18,6 @@ #include <linux/module.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/delay.h> diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c index 2ca2d8a9de97..354b8dd2a2c1 100644 --- a/arch/powerpc/platforms/iseries/viopath.c +++ b/arch/powerpc/platforms/iseries/viopath.c @@ -36,7 +36,6 @@ #include <linux/dma-mapping.h> #include <linux/wait.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <asm/system.h> diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c index b1d3b99c3f9d..7aaa5bbc9363 100644 --- a/arch/powerpc/platforms/maple/pci.c +++ b/arch/powerpc/platforms/maple/pci.c @@ -467,15 +467,15 @@ static int __init add_bridge(struct device_node *dev) hose->last_busno = bus_range ? bus_range[1] : 0xff; disp_name = NULL; - if (device_is_compatible(dev, "u3-agp")) { + if (of_device_is_compatible(dev, "u3-agp")) { setup_u3_agp(hose); disp_name = "U3-AGP"; primary = 0; - } else if (device_is_compatible(dev, "u3-ht")) { + } else if (of_device_is_compatible(dev, "u3-ht")) { setup_u3_ht(hose); disp_name = "U3-HT"; primary = 1; - } else if (device_is_compatible(dev, "u4-pcie")) { + } else if (of_device_is_compatible(dev, "u4-pcie")) { setup_u4_pcie(hose); disp_name = "U4-PCIE"; primary = 0; @@ -556,12 +556,12 @@ void __init maple_pci_init(void) continue; if (strcmp(np->type, "pci") && strcmp(np->type, "ht")) continue; - if ((device_is_compatible(np, "u4-pcie") || - device_is_compatible(np, "u3-agp")) && + if ((of_device_is_compatible(np, "u4-pcie") || + of_device_is_compatible(np, "u3-agp")) && add_bridge(np) == 0) of_node_get(np); - if (device_is_compatible(np, "u3-ht")) { + if (of_device_is_compatible(np, "u3-ht")) { of_node_get(np); ht = np; } diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c index 2a30c5b2532e..354c05861629 100644 --- a/arch/powerpc/platforms/maple/setup.c +++ b/arch/powerpc/platforms/maple/setup.c @@ -231,7 +231,7 @@ static void __init maple_init_IRQ(void) */ for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "open-pic")) { + if (of_device_is_compatible(np, "open-pic")) { mpic_node = np; break; } diff --git a/arch/powerpc/platforms/pasemi/cpufreq.c b/arch/powerpc/platforms/pasemi/cpufreq.c index 2a57d6023685..3ae083851b01 100644 --- a/arch/powerpc/platforms/pasemi/cpufreq.c +++ b/arch/powerpc/platforms/pasemi/cpufreq.c @@ -31,6 +31,7 @@ #include <asm/hw_irq.h> #include <asm/io.h> #include <asm/prom.h> +#include <asm/time.h> #define SDCASR_REG 0x0100 #define SDCASR_REG_STRIDE 0x1000 @@ -204,6 +205,8 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy) policy->cur = pas_freqs[cur_astate].frequency; policy->cpus = cpu_online_map; + ppc_proc_freq = policy->cur * 1000ul; + cpufreq_frequency_table_get_attr(pas_freqs, policy->cpu); /* this ensures that policy->cpuinfo_min and policy->cpuinfo_max @@ -270,6 +273,7 @@ static int pas_cpufreq_target(struct cpufreq_policy *policy, cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); mutex_unlock(&pas_switch_mutex); + ppc_proc_freq = freqs.new * 1000ul; return 0; } diff --git a/arch/powerpc/platforms/pasemi/pci.c b/arch/powerpc/platforms/pasemi/pci.c index 056243da360b..bbc6dfcfaa91 100644 --- a/arch/powerpc/platforms/pasemi/pci.c +++ b/arch/powerpc/platforms/pasemi/pci.c @@ -173,19 +173,6 @@ static void __init pas_fixup_phb_resources(void) } -void __devinit pas_pci_irq_fixup(struct pci_dev *dev) -{ - /* DMA is special, 84 interrupts (128 -> 211), all but 128 - * need to be mapped by hand here. - */ - if (dev->vendor == 0x1959 && dev->device == 0xa007) { - int i; - for (i = 129; i < 212; i++) - irq_create_mapping(NULL, i); - } -} - - void __init pas_pci_init(void) { struct device_node *np, *root; diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index f88f0ec4c8cb..c5a3f61f8d85 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/arch/powerpc/platforms/pasemi/setup.c @@ -114,7 +114,7 @@ static __init void pas_init_IRQ(void) mpic_node = NULL; for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "open-pic")) { + if (of_device_is_compatible(np, "open-pic")) { mpic_node = np; break; } @@ -211,7 +211,10 @@ static struct of_device_id pasemi_bus_ids[] = { static int __init pasemi_publish_devices(void) { - /* Publish OF platform devices for southbridge IOs */ + if (!machine_is(pasemi)) + return 0; + + /* Publish OF platform devices for SDC and other non-PCI devices */ of_platform_bus_probe(NULL, pasemi_bus_ids, NULL); return 0; @@ -248,5 +251,4 @@ define_machine(pas) { .calibrate_decr = generic_calibrate_decr, .progress = pas_progress, .machine_check_exception = pas_machine_check_handler, - .pci_irq_fixup = pas_pci_irq_fixup, }; diff --git a/arch/powerpc/platforms/powermac/cpufreq_64.c b/arch/powerpc/platforms/powermac/cpufreq_64.c index 567d5523b690..00f50298c342 100644 --- a/arch/powerpc/platforms/powermac/cpufreq_64.c +++ b/arch/powerpc/platforms/powermac/cpufreq_64.c @@ -357,13 +357,13 @@ static unsigned int g5_cpufreq_get_speed(unsigned int cpu) static int g5_cpufreq_cpu_init(struct cpufreq_policy *policy) { - if (policy->cpu != 0) - return -ENODEV; - policy->governor = CPUFREQ_DEFAULT_GOVERNOR; policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; policy->cur = g5_cpu_freqs[g5_query_freq()].frequency; - policy->cpus = cpu_possible_map; + /* secondary CPUs are tied to the primary one by the + * cpufreq core if in the secondary policy we tell it that + * it actually must be one policy together with all others. */ + policy->cpus = cpu_online_map; cpufreq_frequency_table_get_attr(g5_cpu_freqs, policy->cpu); return cpufreq_frequency_table_cpuinfo(policy, diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index 52cfdd86c928..f29705f8047d 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -1418,7 +1418,7 @@ static long g5_eth_phy_reset(struct device_node *node, long param, long value) phy = of_get_next_child(node, NULL); if (!phy) return -ENODEV; - need_reset = device_is_compatible(phy, "B5221"); + need_reset = of_device_is_compatible(phy, "B5221"); of_node_put(phy); if (!need_reset) return 0; @@ -2624,7 +2624,7 @@ static void __init probe_one_macio(const char *name, const char *compat, int typ for (node = NULL; (node = of_find_node_by_name(node, name)) != NULL;) { if (!compat) break; - if (device_is_compatible(node, compat)) + if (of_device_is_compatible(node, compat)) break; } if (!node) @@ -2728,7 +2728,7 @@ initial_serial_shutdown(struct device_node *np) conn = of_get_property(np, "AAPL,connector", &len); if (conn && (strcmp(conn, "infrared") == 0)) port_type = PMAC_SCC_IRDA; - else if (device_is_compatible(np, "cobalt")) + else if (of_device_is_compatible(np, "cobalt")) modem = 1; else if (slots && slots->count > 0) { if (strcmp(slots->name, "IrDA") == 0) @@ -2787,7 +2787,7 @@ set_initial_features(void) */ np = of_find_node_by_name(NULL, "ethernet"); while(np) { - if (device_is_compatible(np, "K2-GMAC")) + if (of_device_is_compatible(np, "K2-GMAC")) g5_gmac_enable(np, 0, 1); np = of_find_node_by_name(np, "ethernet"); } @@ -2799,7 +2799,7 @@ set_initial_features(void) */ np = of_find_node_by_name(NULL, "firewire"); while(np) { - if (device_is_compatible(np, "pci106b,5811")) { + if (of_device_is_compatible(np, "pci106b,5811")) { macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED; g5_fw_enable(np, 0, 1); } @@ -2817,8 +2817,8 @@ set_initial_features(void) np = of_find_node_by_name(NULL, "ethernet"); while(np) { if (np->parent - && device_is_compatible(np->parent, "uni-north") - && device_is_compatible(np, "gmac")) + && of_device_is_compatible(np->parent, "uni-north") + && of_device_is_compatible(np, "gmac")) core99_gmac_enable(np, 0, 1); np = of_find_node_by_name(np, "ethernet"); } @@ -2831,10 +2831,10 @@ set_initial_features(void) np = of_find_node_by_name(NULL, "firewire"); while(np) { if (np->parent - && device_is_compatible(np->parent, "uni-north") - && (device_is_compatible(np, "pci106b,18") || - device_is_compatible(np, "pci106b,30") || - device_is_compatible(np, "pci11c1,5811"))) { + && of_device_is_compatible(np->parent, "uni-north") + && (of_device_is_compatible(np, "pci106b,18") || + of_device_is_compatible(np, "pci106b,30") || + of_device_is_compatible(np, "pci11c1,5811"))) { macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED; core99_firewire_enable(np, 0, 1); } @@ -2845,8 +2845,8 @@ set_initial_features(void) np = of_find_node_by_name(NULL, "ata-6"); while(np) { if (np->parent - && device_is_compatible(np->parent, "uni-north") - && device_is_compatible(np, "kauai-ata")) { + && of_device_is_compatible(np->parent, "uni-north") + && of_device_is_compatible(np, "kauai-ata")) { core99_ata100_enable(np, 1); } np = of_find_node_by_name(np, "ata-6"); diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index 5430e146b3e9..3f507ab9c5e5 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -1207,7 +1207,7 @@ static void pmac_i2c_devscan(void (*callback)(struct device_node *dev, if (strcmp(np->name, p->name)) continue; if (p->compatible && - !device_is_compatible(np, p->compatible)) + !of_device_is_compatible(np, p->compatible)) continue; if (p->quirks & pmac_i2c_quirk_skip) break; diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c index 692945c14919..c6f0f9e738e5 100644 --- a/arch/powerpc/platforms/powermac/nvram.c +++ b/arch/powerpc/platforms/powermac/nvram.c @@ -553,7 +553,7 @@ static int __init core99_nvram_setup(struct device_node *dp, unsigned long addr) * identify the chip using flash id commands and base ourselves on * a list of known chips IDs */ - if (device_is_compatible(dp, "amd-0137")) { + if (of_device_is_compatible(dp, "amd-0137")) { core99_erase_bank = amd_erase_bank; core99_write_bank = amd_write_bank; } else { @@ -588,7 +588,7 @@ int __init pmac_nvram_init(void) } } - is_core_99 = device_is_compatible(dp, "nvram,flash"); + is_core_99 = of_device_is_compatible(dp, "nvram,flash"); if (is_core_99) { err = core99_nvram_setup(dp, r1.start); goto bail; diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index 22c4ae4c6934..c4af9e21ac93 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -934,15 +934,15 @@ static int __init add_bridge(struct device_node *dev) /* 64 bits only bridges */ #ifdef CONFIG_PPC64 - if (device_is_compatible(dev, "u3-agp")) { + if (of_device_is_compatible(dev, "u3-agp")) { setup_u3_agp(hose); disp_name = "U3-AGP"; primary = 0; - } else if (device_is_compatible(dev, "u3-ht")) { + } else if (of_device_is_compatible(dev, "u3-ht")) { setup_u3_ht(hose); disp_name = "U3-HT"; primary = 1; - } else if (device_is_compatible(dev, "u4-pcie")) { + } else if (of_device_is_compatible(dev, "u4-pcie")) { setup_u4_pcie(hose); disp_name = "U4-PCIE"; primary = 0; @@ -953,7 +953,7 @@ static int __init add_bridge(struct device_node *dev) /* 32 bits only bridges */ #ifdef CONFIG_PPC32 - if (device_is_compatible(dev, "uni-north")) { + if (of_device_is_compatible(dev, "uni-north")) { primary = setup_uninorth(hose, &rsrc); disp_name = "UniNorth"; } else if (strcmp(dev->name, "pci") == 0) { @@ -1129,21 +1129,21 @@ pmac_pci_enable_device_hook(struct pci_dev *dev, int initial) return 0; uninorth_child = node->parent && - device_is_compatible(node->parent, "uni-north"); + of_device_is_compatible(node->parent, "uni-north"); /* Firewire & GMAC were disabled after PCI probe, the driver is * claiming them, we must re-enable them now. */ if (uninorth_child && !strcmp(node->name, "firewire") && - (device_is_compatible(node, "pci106b,18") || - device_is_compatible(node, "pci106b,30") || - device_is_compatible(node, "pci11c1,5811"))) { + (of_device_is_compatible(node, "pci106b,18") || + of_device_is_compatible(node, "pci106b,30") || + of_device_is_compatible(node, "pci11c1,5811"))) { pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, node, 0, 1); pmac_call_feature(PMAC_FTR_1394_ENABLE, node, 0, 1); updatecfg = 1; } if (uninorth_child && !strcmp(node->name, "ethernet") && - device_is_compatible(node, "gmac")) { + of_device_is_compatible(node, "gmac")) { pmac_call_feature(PMAC_FTR_GMAC_ENABLE, node, 0, 1); updatecfg = 1; } @@ -1203,18 +1203,18 @@ void __init pmac_pcibios_after_init(void) #endif /* CONFIG_BLK_DEV_IDE */ for_each_node_by_name(nd, "firewire") { - if (nd->parent && (device_is_compatible(nd, "pci106b,18") || - device_is_compatible(nd, "pci106b,30") || - device_is_compatible(nd, "pci11c1,5811")) - && device_is_compatible(nd->parent, "uni-north")) { + if (nd->parent && (of_device_is_compatible(nd, "pci106b,18") || + of_device_is_compatible(nd, "pci106b,30") || + of_device_is_compatible(nd, "pci11c1,5811")) + && of_device_is_compatible(nd->parent, "uni-north")) { pmac_call_feature(PMAC_FTR_1394_ENABLE, nd, 0, 0); pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, nd, 0, 0); } } of_node_put(nd); for_each_node_by_name(nd, "ethernet") { - if (nd->parent && device_is_compatible(nd, "gmac") - && device_is_compatible(nd->parent, "uni-north")) + if (nd->parent && of_device_is_compatible(nd, "gmac") + && of_device_is_compatible(nd->parent, "uni-north")) pmac_call_feature(PMAC_FTR_GMAC_ENABLE, nd, 0, 0); } of_node_put(nd); diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index ae5097ac0378..87cd6805171a 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -364,7 +364,7 @@ static void __init pmac_pic_probe_oldstyle(void) slave = of_find_node_by_name(master, "mac-io"); /* Check ordering of master & slave */ - if (device_is_compatible(master, "gatwick")) { + if (of_device_is_compatible(master, "gatwick")) { struct device_node *tmp; BUG_ON(slave == NULL); tmp = master; diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index b820cabac697..a410bc76a8a8 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -439,76 +439,14 @@ static void __init find_boot_device(void) #endif } -/* TODO: Merge the suspend-to-ram with the common code !!! - * currently, this is a stub implementation for suspend-to-disk - * only - */ - -#ifdef CONFIG_SOFTWARE_SUSPEND - -static int pmac_pm_prepare(suspend_state_t state) -{ - printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); - - return 0; -} - -static int pmac_pm_enter(suspend_state_t state) -{ - printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); - - /* Giveup the lazy FPU & vec so we don't have to back them - * up from the low level code - */ - enable_kernel_fp(); - -#ifdef CONFIG_ALTIVEC - if (cur_cpu_spec->cpu_features & CPU_FTR_ALTIVEC) - enable_kernel_altivec(); -#endif /* CONFIG_ALTIVEC */ - - return 0; -} - -static int pmac_pm_finish(suspend_state_t state) -{ - printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); - - /* Restore userland MMU context */ - set_context(current->active_mm->context.id, current->active_mm->pgd); - - return 0; -} - -static int pmac_pm_valid(suspend_state_t state) -{ - switch (state) { - case PM_SUSPEND_DISK: - return 1; - /* can't do any other states via generic mechanism yet */ - default: - return 0; - } -} - -static struct pm_ops pmac_pm_ops = { - .pm_disk_mode = PM_DISK_SHUTDOWN, - .prepare = pmac_pm_prepare, - .enter = pmac_pm_enter, - .finish = pmac_pm_finish, - .valid = pmac_pm_valid, -}; - -#endif /* CONFIG_SOFTWARE_SUSPEND */ - static int initializing = 1; static int pmac_late_init(void) { initializing = 0; -#ifdef CONFIG_SOFTWARE_SUSPEND - pm_set_ops(&pmac_pm_ops); -#endif /* CONFIG_SOFTWARE_SUSPEND */ + /* this is udbg (which is __init) and we can later use it during + * cpu hotplug (in smp_core99_kick_cpu) */ + ppc_md.progress = NULL; return 0; } @@ -721,12 +659,57 @@ static int pmac_pci_probe_mode(struct pci_bus *bus) /* We need to use normal PCI probing for the AGP bus, * since the device for the AGP bridge isn't in the tree. */ - if (bus->self == NULL && (device_is_compatible(node, "u3-agp") || - device_is_compatible(node, "u4-pcie"))) + if (bus->self == NULL && (of_device_is_compatible(node, "u3-agp") || + of_device_is_compatible(node, "u4-pcie"))) return PCI_PROBE_NORMAL; return PCI_PROBE_DEVTREE; } -#endif + +#ifdef CONFIG_HOTPLUG_CPU +/* access per cpu vars from generic smp.c */ +DECLARE_PER_CPU(int, cpu_state); + +static void pmac_cpu_die(void) +{ + /* + * turn off as much as possible, we'll be + * kicked out as this will only be invoked + * on core99 platforms for now ... + */ + + printk(KERN_INFO "CPU#%d offline\n", smp_processor_id()); + __get_cpu_var(cpu_state) = CPU_DEAD; + smp_wmb(); + + /* + * during the path that leads here preemption is disabled, + * reenable it now so that when coming up preempt count is + * zero correctly + */ + preempt_enable(); + + /* + * hard-disable interrupts for the non-NAP case, the NAP code + * needs to re-enable interrupts (but soft-disables them) + */ + hard_irq_disable(); + + while (1) { + /* let's not take timer interrupts too often ... */ + set_dec(0x7fffffff); + + /* should always be true at this point */ + if (cpu_has_feature(CPU_FTR_CAN_NAP)) + power4_cpu_offline_powersave(); + else { + HMT_low(); + HMT_very_low(); + } + } +} +#endif /* CONFIG_HOTPLUG_CPU */ + +#endif /* CONFIG_PPC64 */ define_machine(powermac) { .name = "PowerMac", @@ -763,6 +746,6 @@ define_machine(powermac) { .phys_mem_access_prot = pci_phys_mem_access_prot, #endif #if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64) - .cpu_die = generic_mach_cpu_die, + .cpu_die = pmac_cpu_die, #endif }; diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index 6f32c4eca6e5..686ed82bde79 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -24,7 +24,6 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/delay.h> @@ -562,7 +561,7 @@ static void __init smp_core99_setup_i2c_hwsync(int ncpus) /* Look for the clock chip */ while ((cc = of_find_node_by_name(cc, "i2c-hwclock")) != NULL) { p = of_get_parent(cc); - ok = p && device_is_compatible(p, "uni-n-i2c"); + ok = p && of_device_is_compatible(p, "uni-n-i2c"); of_node_put(p); if (!ok) continue; @@ -575,11 +574,11 @@ static void __init smp_core99_setup_i2c_hwsync(int ncpus) continue; switch (*reg) { case 0xd2: - if (device_is_compatible(cc,"pulsar-legacy-slewing")) { + if (of_device_is_compatible(cc,"pulsar-legacy-slewing")) { pmac_tb_freeze = smp_core99_pulsar_tb_freeze; pmac_tb_pulsar_addr = 0xd2; name = "Pulsar"; - } else if (device_is_compatible(cc, "cy28508")) { + } else if (of_device_is_compatible(cc, "cy28508")) { pmac_tb_freeze = smp_core99_cypress_tb_freeze; name = "Cypress"; } @@ -900,7 +899,7 @@ void smp_core99_cpu_die(unsigned int cpu) cpu_dead[cpu] = 0; } -#endif +#endif /* CONFIG_HOTPLUG_CPU && CONFIG_PP32 */ /* Core99 Macs (dual G4s and G5s) */ struct smp_ops_t core99_smp_ops = { @@ -910,8 +909,16 @@ struct smp_ops_t core99_smp_ops = { .setup_cpu = smp_core99_setup_cpu, .give_timebase = smp_core99_give_timebase, .take_timebase = smp_core99_take_timebase, -#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC32) +#if defined(CONFIG_HOTPLUG_CPU) +# if defined(CONFIG_PPC32) .cpu_disable = smp_core99_cpu_disable, .cpu_die = smp_core99_cpu_die, +# endif +# if defined(CONFIG_PPC64) + .cpu_disable = generic_cpu_disable, + .cpu_die = generic_cpu_die, + /* intentionally do *NOT* assign cpu_enable, + * the generic code will use kick_cpu then! */ +# endif #endif }; diff --git a/arch/powerpc/platforms/ps3/htab.c b/arch/powerpc/platforms/ps3/htab.c index ea60c451cf87..a1409e450c70 100644 --- a/arch/powerpc/platforms/ps3/htab.c +++ b/arch/powerpc/platforms/ps3/htab.c @@ -273,7 +273,8 @@ void __init ps3_map_htab(void) result = lv1_map_htab(0, &htab_addr); - htab = (hpte_t *)__ioremap(htab_addr, htab_size, PAGE_READONLY_X); + htab = (hpte_t *)__ioremap(htab_addr, htab_size, + pgprot_val(PAGE_READONLY_X)); DBG("%s:%d: lpar %016lxh, virt %016lxh\n", __func__, __LINE__, htab_addr, (unsigned long)htab); diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index 631c30095617..9da82c266ba9 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -89,7 +89,18 @@ struct ps3_private { static DEFINE_PER_CPU(struct ps3_private, ps3_private); -int ps3_alloc_irq(enum ps3_cpu_binding cpu, unsigned long outlet, +/** + * ps3_virq_setup - virq related setup. + * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be + * serviced on. + * @outlet: The HV outlet from the various create outlet routines. + * @virq: The assigned Linux virq. + * + * Calls irq_create_mapping() to get a virq and sets the chip data to + * ps3_private data. + */ + +int ps3_virq_setup(enum ps3_cpu_binding cpu, unsigned long outlet, unsigned int *virq) { int result; @@ -111,17 +122,6 @@ int ps3_alloc_irq(enum ps3_cpu_binding cpu, unsigned long outlet, goto fail_create; } - /* Binds outlet to cpu + virq. */ - - result = lv1_connect_irq_plug_ext(pd->node, pd->cpu, *virq, outlet, 0); - - if (result) { - pr_info("%s:%d: lv1_connect_irq_plug_ext failed: %s\n", - __func__, __LINE__, ps3_result(result)); - result = -EPERM; - goto fail_connect; - } - pr_debug("%s:%d: outlet %lu => cpu %u, virq %u\n", __func__, __LINE__, outlet, cpu, *virq); @@ -136,94 +136,118 @@ int ps3_alloc_irq(enum ps3_cpu_binding cpu, unsigned long outlet, return result; fail_set: - lv1_disconnect_irq_plug_ext(pd->node, pd->cpu, *virq); -fail_connect: irq_dispose_mapping(*virq); fail_create: return result; } -EXPORT_SYMBOL_GPL(ps3_alloc_irq); -int ps3_free_irq(unsigned int virq) +/** + * ps3_virq_destroy - virq related teardown. + * @virq: The assigned Linux virq. + * + * Clears chip data and calls irq_dispose_mapping() for the virq. + */ + +int ps3_virq_destroy(unsigned int virq) { - int result; const struct ps3_private *pd = get_irq_chip_data(virq); pr_debug("%s:%d: node %lu, cpu %d, virq %u\n", __func__, __LINE__, pd->node, pd->cpu, virq); - result = lv1_disconnect_irq_plug_ext(pd->node, pd->cpu, virq); - - if (result) - pr_info("%s:%d: lv1_disconnect_irq_plug_ext failed: %s\n", - __func__, __LINE__, ps3_result(result)); - set_irq_chip_data(virq, NULL); irq_dispose_mapping(virq); - return result; + + pr_debug("%s:%d <-\n", __func__, __LINE__); + return 0; } -EXPORT_SYMBOL_GPL(ps3_free_irq); /** - * ps3_alloc_io_irq - Assign a virq to a system bus device. + * ps3_irq_plug_setup - Generic outlet and virq related setup. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. - * @interrupt_id: The device interrupt id read from the system repository. + * @outlet: The HV outlet from the various create outlet routines. * @virq: The assigned Linux virq. * - * An io irq represents a non-virtualized device interrupt. interrupt_id - * coresponds to the interrupt number of the interrupt controller. + * Sets up virq and connects the irq plug. */ -int ps3_alloc_io_irq(enum ps3_cpu_binding cpu, unsigned int interrupt_id, +int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet, unsigned int *virq) { int result; - unsigned long outlet; + struct ps3_private *pd; - result = lv1_construct_io_irq_outlet(interrupt_id, &outlet); + result = ps3_virq_setup(cpu, outlet, virq); if (result) { - pr_debug("%s:%d: lv1_construct_io_irq_outlet failed: %s\n", - __func__, __LINE__, ps3_result(result)); - return result; + pr_debug("%s:%d: ps3_virq_setup failed\n", __func__, __LINE__); + goto fail_setup; } - result = ps3_alloc_irq(cpu, outlet, virq); - BUG_ON(result); + pd = get_irq_chip_data(*virq); + + /* Binds outlet to cpu + virq. */ + + result = lv1_connect_irq_plug_ext(pd->node, pd->cpu, *virq, outlet, 0); + if (result) { + pr_info("%s:%d: lv1_connect_irq_plug_ext failed: %s\n", + __func__, __LINE__, ps3_result(result)); + result = -EPERM; + goto fail_connect; + } + + return result; + +fail_connect: + ps3_virq_destroy(*virq); +fail_setup: return result; } -EXPORT_SYMBOL_GPL(ps3_alloc_io_irq); +EXPORT_SYMBOL_GPL(ps3_irq_plug_setup); + +/** + * ps3_irq_plug_destroy - Generic outlet and virq related teardown. + * @virq: The assigned Linux virq. + * + * Disconnects the irq plug and tears down virq. + * Do not call for system bus event interrupts setup with + * ps3_sb_event_receive_port_setup(). + */ -int ps3_free_io_irq(unsigned int virq) +int ps3_irq_plug_destroy(unsigned int virq) { int result; + const struct ps3_private *pd = get_irq_chip_data(virq); - result = lv1_destruct_io_irq_outlet(virq_to_hw(virq)); + pr_debug("%s:%d: node %lu, cpu %d, virq %u\n", __func__, __LINE__, + pd->node, pd->cpu, virq); + + result = lv1_disconnect_irq_plug_ext(pd->node, pd->cpu, virq); if (result) - pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n", - __func__, __LINE__, ps3_result(result)); + pr_info("%s:%d: lv1_disconnect_irq_plug_ext failed: %s\n", + __func__, __LINE__, ps3_result(result)); - ps3_free_irq(virq); + ps3_virq_destroy(virq); return result; } -EXPORT_SYMBOL_GPL(ps3_free_io_irq); +EXPORT_SYMBOL_GPL(ps3_irq_plug_destroy); /** - * ps3_alloc_event_irq - Allocate a virq for use with a system event. + * ps3_event_receive_port_setup - Setup an event receive port. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. * @virq: The assigned Linux virq. * * The virq can be used with lv1_connect_interrupt_event_receive_port() to - * arrange to receive events, or with ps3_send_event_locally() to signal - * events. + * arrange to receive interrupts from system-bus devices, or with + * ps3_send_event_locally() to signal events. */ -int ps3_alloc_event_irq(enum ps3_cpu_binding cpu, unsigned int *virq) +int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq) { int result; unsigned long outlet; @@ -237,17 +261,27 @@ int ps3_alloc_event_irq(enum ps3_cpu_binding cpu, unsigned int *virq) return result; } - result = ps3_alloc_irq(cpu, outlet, virq); + result = ps3_irq_plug_setup(cpu, outlet, virq); BUG_ON(result); return result; } +EXPORT_SYMBOL_GPL(ps3_event_receive_port_setup); + +/** + * ps3_event_receive_port_destroy - Destroy an event receive port. + * @virq: The assigned Linux virq. + * + * Since ps3_event_receive_port_destroy destroys the receive port outlet, + * SB devices need to call disconnect_interrupt_event_receive_port() before + * this. + */ -int ps3_free_event_irq(unsigned int virq) +int ps3_event_receive_port_destroy(unsigned int virq) { int result; - pr_debug(" -> %s:%d\n", __func__, __LINE__); + pr_debug(" -> %s:%d virq: %u\n", __func__, __LINE__, virq); result = lv1_destruct_event_receive_port(virq_to_hw(virq)); @@ -255,11 +289,17 @@ int ps3_free_event_irq(unsigned int virq) pr_debug("%s:%d: lv1_destruct_event_receive_port failed: %s\n", __func__, __LINE__, ps3_result(result)); - ps3_free_irq(virq); + /* lv1_destruct_event_receive_port() destroys the IRQ plug, + * so don't call ps3_irq_plug_destroy() here. + */ + + result = ps3_virq_destroy(virq); + BUG_ON(result); pr_debug(" <- %s:%d\n", __func__, __LINE__); return result; } +EXPORT_SYMBOL_GPL(ps3_event_receive_port_destroy); int ps3_send_event_locally(unsigned int virq) { @@ -267,7 +307,7 @@ int ps3_send_event_locally(unsigned int virq) } /** - * ps3_connect_event_irq - Assign a virq to a system bus device. + * ps3_sb_event_receive_port_setup - Setup a system bus event receive port. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. * @did: The HV device identifier read from the system repository. @@ -278,13 +318,15 @@ int ps3_send_event_locally(unsigned int virq) * coresponds to the software interrupt number. */ -int ps3_connect_event_irq(enum ps3_cpu_binding cpu, +int ps3_sb_event_receive_port_setup(enum ps3_cpu_binding cpu, const struct ps3_device_id *did, unsigned int interrupt_id, unsigned int *virq) { + /* this should go in system-bus.c */ + int result; - result = ps3_alloc_event_irq(cpu, virq); + result = ps3_event_receive_port_setup(cpu, virq); if (result) return result; @@ -296,7 +338,7 @@ int ps3_connect_event_irq(enum ps3_cpu_binding cpu, pr_debug("%s:%d: lv1_connect_interrupt_event_receive_port" " failed: %s\n", __func__, __LINE__, ps3_result(result)); - ps3_free_event_irq(*virq); + ps3_event_receive_port_destroy(*virq); *virq = NO_IRQ; return result; } @@ -306,10 +348,13 @@ int ps3_connect_event_irq(enum ps3_cpu_binding cpu, return 0; } +EXPORT_SYMBOL(ps3_sb_event_receive_port_setup); -int ps3_disconnect_event_irq(const struct ps3_device_id *did, +int ps3_sb_event_receive_port_destroy(const struct ps3_device_id *did, unsigned int interrupt_id, unsigned int virq) { + /* this should go in system-bus.c */ + int result; pr_debug(" -> %s:%d: interrupt_id %u, virq %u\n", __func__, __LINE__, @@ -323,14 +368,65 @@ int ps3_disconnect_event_irq(const struct ps3_device_id *did, " failed: %s\n", __func__, __LINE__, ps3_result(result)); - ps3_free_event_irq(virq); + result = ps3_event_receive_port_destroy(virq); + BUG_ON(result); pr_debug(" <- %s:%d\n", __func__, __LINE__); return result; } +EXPORT_SYMBOL(ps3_sb_event_receive_port_destroy); /** - * ps3_alloc_vuart_irq - Configure the system virtual uart virq. + * ps3_io_irq_setup - Setup a system bus io irq. + * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be + * serviced on. + * @interrupt_id: The device interrupt id read from the system repository. + * @virq: The assigned Linux virq. + * + * An io irq represents a non-virtualized device interrupt. interrupt_id + * coresponds to the interrupt number of the interrupt controller. + */ + +int ps3_io_irq_setup(enum ps3_cpu_binding cpu, unsigned int interrupt_id, + unsigned int *virq) +{ + int result; + unsigned long outlet; + + result = lv1_construct_io_irq_outlet(interrupt_id, &outlet); + + if (result) { + pr_debug("%s:%d: lv1_construct_io_irq_outlet failed: %s\n", + __func__, __LINE__, ps3_result(result)); + return result; + } + + result = ps3_irq_plug_setup(cpu, outlet, virq); + BUG_ON(result); + + return result; +} +EXPORT_SYMBOL_GPL(ps3_io_irq_setup); + +int ps3_io_irq_destroy(unsigned int virq) +{ + int result; + + result = lv1_destruct_io_irq_outlet(virq_to_hw(virq)); + + if (result) + pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n", + __func__, __LINE__, ps3_result(result)); + + result = ps3_irq_plug_destroy(virq); + BUG_ON(result); + + return result; +} +EXPORT_SYMBOL_GPL(ps3_io_irq_destroy); + +/** + * ps3_vuart_irq_setup - Setup the system virtual uart virq. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. * @virt_addr_bmp: The caller supplied virtual uart interrupt bitmap. @@ -340,7 +436,7 @@ int ps3_disconnect_event_irq(const struct ps3_device_id *did, * freeing the interrupt will return a wrong state error. */ -int ps3_alloc_vuart_irq(enum ps3_cpu_binding cpu, void* virt_addr_bmp, +int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp, unsigned int *virq) { int result; @@ -359,13 +455,13 @@ int ps3_alloc_vuart_irq(enum ps3_cpu_binding cpu, void* virt_addr_bmp, return result; } - result = ps3_alloc_irq(cpu, outlet, virq); + result = ps3_irq_plug_setup(cpu, outlet, virq); BUG_ON(result); return result; } -int ps3_free_vuart_irq(unsigned int virq) +int ps3_vuart_irq_destroy(unsigned int virq) { int result; @@ -377,13 +473,14 @@ int ps3_free_vuart_irq(unsigned int virq) return result; } - ps3_free_irq(virq); + result = ps3_irq_plug_destroy(virq); + BUG_ON(result); return result; } /** - * ps3_alloc_spe_irq - Configure an spe virq. + * ps3_spe_irq_setup - Setup an spe virq. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. * @spe_id: The spe_id returned from lv1_construct_logical_spe(). @@ -392,7 +489,7 @@ int ps3_free_vuart_irq(unsigned int virq) * */ -int ps3_alloc_spe_irq(enum ps3_cpu_binding cpu, unsigned long spe_id, +int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id, unsigned int class, unsigned int *virq) { int result; @@ -408,15 +505,16 @@ int ps3_alloc_spe_irq(enum ps3_cpu_binding cpu, unsigned long spe_id, return result; } - result = ps3_alloc_irq(cpu, outlet, virq); + result = ps3_irq_plug_setup(cpu, outlet, virq); BUG_ON(result); return result; } -int ps3_free_spe_irq(unsigned int virq) +int ps3_spe_irq_destroy(unsigned int virq) { - ps3_free_irq(virq); + int result = ps3_irq_plug_destroy(virq); + BUG_ON(result); return 0; } diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c index 2014d2b44449..f8a3e206c584 100644 --- a/arch/powerpc/platforms/ps3/mm.c +++ b/arch/powerpc/platforms/ps3/mm.c @@ -826,5 +826,4 @@ void __init ps3_mm_init(void) void ps3_mm_shutdown(void) { ps3_mm_region_destroy(&map.r1); - map.total = map.rm.size; } diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index ac5df9688dcb..c9894933084f 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -137,6 +137,12 @@ early_param("ps3fb", early_parse_ps3fb); #define prealloc_ps3fb_videomemory() do { } while (0) #endif +static int ps3_set_dabr(u64 dabr) +{ + enum {DABR_USER = 1, DABR_KERNEL = 2,}; + + return lv1_set_dabr(dabr, DABR_KERNEL | DABR_USER) ? -1 : 0; +} static void __init ps3_setup_arch(void) { @@ -234,6 +240,7 @@ define_machine(ps3) { .get_boot_time = ps3_get_boot_time, .set_rtc_time = ps3_set_rtc_time, .get_rtc_time = ps3_get_rtc_time, + .set_dabr = ps3_set_dabr, .calibrate_decr = ps3_calibrate_decr, .progress = ps3_progress, .restart = ps3_restart, diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c index 6fb887961a6d..8729348c0608 100644 --- a/arch/powerpc/platforms/ps3/smp.c +++ b/arch/powerpc/platforms/ps3/smp.c @@ -110,7 +110,7 @@ static void __init ps3_smp_setup_cpu(int cpu) BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3); for (i = 0; i < MSG_COUNT; i++) { - result = ps3_alloc_event_irq(cpu, &virqs[i]); + result = ps3_event_receive_port_setup(cpu, &virqs[i]); if (result) continue; @@ -134,11 +134,13 @@ void ps3_smp_cleanup_cpu(int cpu) int i; DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); + for (i = 0; i < MSG_COUNT; i++) { - ps3_free_event_irq(virqs[i]); free_irq(virqs[i], (void*)(long)i); + ps3_event_receive_port_destroy(virqs[i]); virqs[i] = NO_IRQ; } + DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu); } diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c index a397e4e17c13..651437cb2c18 100644 --- a/arch/powerpc/platforms/ps3/spu.c +++ b/arch/powerpc/platforms/ps3/spu.c @@ -184,7 +184,7 @@ static int __init setup_areas(struct spu *spu) spu_pdata(spu)->shadow = __ioremap( spu_pdata(spu)->shadow_addr, sizeof(struct spe_shadow), - PAGE_READONLY | _PAGE_NO_CACHE | _PAGE_GUARDED); + pgprot_val(PAGE_READONLY) | _PAGE_NO_CACHE | _PAGE_GUARDED); if (!spu_pdata(spu)->shadow) { pr_debug("%s:%d: ioremap shadow failed\n", __func__, __LINE__); goto fail_ioremap; @@ -230,19 +230,19 @@ static int __init setup_interrupts(struct spu *spu) { int result; - result = ps3_alloc_spe_irq(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, + result = ps3_spe_irq_setup(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, 0, &spu->irqs[0]); if (result) goto fail_alloc_0; - result = ps3_alloc_spe_irq(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, + result = ps3_spe_irq_setup(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, 1, &spu->irqs[1]); if (result) goto fail_alloc_1; - result = ps3_alloc_spe_irq(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, + result = ps3_spe_irq_setup(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, 2, &spu->irqs[2]); if (result) @@ -251,9 +251,9 @@ static int __init setup_interrupts(struct spu *spu) return result; fail_alloc_2: - ps3_free_spe_irq(spu->irqs[1]); + ps3_spe_irq_destroy(spu->irqs[1]); fail_alloc_1: - ps3_free_spe_irq(spu->irqs[0]); + ps3_spe_irq_destroy(spu->irqs[0]); fail_alloc_0: spu->irqs[0] = spu->irqs[1] = spu->irqs[2] = NO_IRQ; return result; @@ -301,9 +301,9 @@ static int ps3_destroy_spu(struct spu *spu) result = lv1_disable_logical_spe(spu_pdata(spu)->spe_id, 0); BUG_ON(result); - ps3_free_spe_irq(spu->irqs[2]); - ps3_free_spe_irq(spu->irqs[1]); - ps3_free_spe_irq(spu->irqs[0]); + ps3_spe_irq_destroy(spu->irqs[2]); + ps3_spe_irq_destroy(spu->irqs[1]); + ps3_spe_irq_destroy(spu->irqs[0]); spu->irqs[0] = spu->irqs[1] = spu->irqs[2] = NO_IRQ; diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile index 90235d598751..ae1fc92dc1c9 100644 --- a/arch/powerpc/platforms/pseries/Makefile +++ b/arch/powerpc/platforms/pseries/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_SCANLOG) += scanlog.o obj-$(CONFIG_EEH) += eeh.o eeh_cache.o eeh_driver.o eeh_event.o obj-$(CONFIG_KEXEC) += kexec.o obj-$(CONFIG_PCI) += pci.o pci_dlpar.o +obj-$(CONFIG_PCI_MSI) += msi.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug-cpu.o diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 48fbd442e9df..093438b93bd9 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -100,6 +100,9 @@ static unsigned char slot_errbuf[RTAS_ERROR_LOG_MAX]; static DEFINE_SPINLOCK(slot_errbuf_lock); static int eeh_error_buf_size; +#define EEH_PCI_REGS_LOG_LEN 4096 +static unsigned char pci_regs_buf[EEH_PCI_REGS_LOG_LEN]; + /* System monitoring statistics */ static unsigned long no_device; static unsigned long no_dn; @@ -115,7 +118,8 @@ static unsigned long slot_resets; /* --------------------------------------------------------------- */ /* Below lies the EEH event infrastructure */ -void eeh_slot_error_detail (struct pci_dn *pdn, int severity) +static void rtas_slot_error_detail(struct pci_dn *pdn, int severity, + char *driver_log, size_t loglen) { int config_addr; unsigned long flags; @@ -133,7 +137,8 @@ void eeh_slot_error_detail (struct pci_dn *pdn, int severity) rc = rtas_call(ibm_slot_error_detail, 8, 1, NULL, config_addr, BUID_HI(pdn->phb->buid), - BUID_LO(pdn->phb->buid), NULL, 0, + BUID_LO(pdn->phb->buid), + virt_to_phys(driver_log), loglen, virt_to_phys(slot_errbuf), eeh_error_buf_size, severity); @@ -144,6 +149,84 @@ void eeh_slot_error_detail (struct pci_dn *pdn, int severity) } /** + * gather_pci_data - copy assorted PCI config space registers to buff + * @pdn: device to report data for + * @buf: point to buffer in which to log + * @len: amount of room in buffer + * + * This routine captures assorted PCI configuration space data, + * and puts them into a buffer for RTAS error logging. + */ +static size_t gather_pci_data(struct pci_dn *pdn, char * buf, size_t len) +{ + u32 cfg; + int cap, i; + int n = 0; + + n += scnprintf(buf+n, len-n, "%s\n", pdn->node->full_name); + printk(KERN_WARNING "EEH: of node=%s\n", pdn->node->full_name); + + rtas_read_config(pdn, PCI_VENDOR_ID, 4, &cfg); + n += scnprintf(buf+n, len-n, "dev/vend:%08x\n", cfg); + printk(KERN_WARNING "EEH: PCI device/vendor: %08x\n", cfg); + + rtas_read_config(pdn, PCI_COMMAND, 4, &cfg); + n += scnprintf(buf+n, len-n, "cmd/stat:%x\n", cfg); + printk(KERN_WARNING "EEH: PCI cmd/status register: %08x\n", cfg); + + /* Dump out the PCI-X command and status regs */ + cap = pci_find_capability(pdn->pcidev, PCI_CAP_ID_PCIX); + if (cap) { + rtas_read_config(pdn, cap, 4, &cfg); + n += scnprintf(buf+n, len-n, "pcix-cmd:%x\n", cfg); + printk(KERN_WARNING "EEH: PCI-X cmd: %08x\n", cfg); + + rtas_read_config(pdn, cap+4, 4, &cfg); + n += scnprintf(buf+n, len-n, "pcix-stat:%x\n", cfg); + printk(KERN_WARNING "EEH: PCI-X status: %08x\n", cfg); + } + + /* If PCI-E capable, dump PCI-E cap 10, and the AER */ + cap = pci_find_capability(pdn->pcidev, PCI_CAP_ID_EXP); + if (cap) { + n += scnprintf(buf+n, len-n, "pci-e cap10:\n"); + printk(KERN_WARNING + "EEH: PCI-E capabilities and status follow:\n"); + + for (i=0; i<=8; i++) { + rtas_read_config(pdn, cap+4*i, 4, &cfg); + n += scnprintf(buf+n, len-n, "%02x:%x\n", 4*i, cfg); + printk(KERN_WARNING "EEH: PCI-E %02x: %08x\n", i, cfg); + } + + cap = pci_find_ext_capability(pdn->pcidev,PCI_EXT_CAP_ID_ERR); + if (cap) { + n += scnprintf(buf+n, len-n, "pci-e AER:\n"); + printk(KERN_WARNING + "EEH: PCI-E AER capability register set follows:\n"); + + for (i=0; i<14; i++) { + rtas_read_config(pdn, cap+4*i, 4, &cfg); + n += scnprintf(buf+n, len-n, "%02x:%x\n", 4*i, cfg); + printk(KERN_WARNING "EEH: PCI-E AER %02x: %08x\n", i, cfg); + } + } + } + return n; +} + +void eeh_slot_error_detail(struct pci_dn *pdn, int severity) +{ + size_t loglen = 0; + memset(pci_regs_buf, 0, EEH_PCI_REGS_LOG_LEN); + + rtas_pci_enable(pdn, EEH_THAW_MMIO); + loglen = gather_pci_data(pdn, pci_regs_buf, EEH_PCI_REGS_LOG_LEN); + + rtas_slot_error_detail(pdn, severity, pci_regs_buf, loglen); +} + +/** * read_slot_reset_state - Read the reset state of a device node's slot * @dn: device node to read * @rets: array to return results in @@ -580,6 +663,36 @@ rtas_pci_slot_reset(struct pci_dn *pdn, int state) } /** + * pcibios_set_pcie_slot_reset - Set PCI-E reset state + * @dev: pci device struct + * @state: reset state to enter + * + * Return value: + * 0 if success + **/ +int pcibios_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state) +{ + struct device_node *dn = pci_device_to_OF_node(dev); + struct pci_dn *pdn = PCI_DN(dn); + + switch (state) { + case pcie_deassert_reset: + rtas_pci_slot_reset(pdn, 0); + break; + case pcie_hot_reset: + rtas_pci_slot_reset(pdn, 1); + break; + case pcie_warm_reset: + rtas_pci_slot_reset(pdn, 3); + break; + default: + return -EINVAL; + }; + + return 0; +} + +/** * rtas_set_slot_reset -- assert the pci #RST line for 1/4 second * @pdn: pci device node to be reset. * diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c index 3170e003f76a..f07d849cfc84 100644 --- a/arch/powerpc/platforms/pseries/eeh_driver.c +++ b/arch/powerpc/platforms/pseries/eeh_driver.c @@ -361,11 +361,12 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event) goto hard_fail; } - eeh_slot_error_detail(frozen_pdn, 1 /* Temporary Error */); printk(KERN_WARNING - "EEH: This PCI device has failed %d times since last reboot: " - "location=%s driver=%s pci addr=%s\n", - frozen_pdn->eeh_freeze_count, location, drv_str, pci_str); + "EEH: This PCI device has failed %d times in the last hour:\n", + frozen_pdn->eeh_freeze_count); + printk(KERN_WARNING + "EEH: location=%s driver=%s pci addr=%s\n", + location, drv_str, pci_str); /* Walk the various device drivers attached to this slot through * a reset sequence, giving each an opportunity to do what it needs @@ -375,6 +376,11 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event) */ pci_walk_bus(frozen_bus, eeh_report_error, &result); + /* Since rtas may enable MMIO when posting the error log, + * don't post the error log until after all dev drivers + * have been informed. */ + eeh_slot_error_detail(frozen_pdn, 1 /* Temporary Error */); + /* If all device drivers were EEH-unaware, then shut * down all of the device drivers, and hope they * go down willingly, without panicing the system. diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 66665c82415c..eec684a8e44e 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -504,6 +504,12 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev) break; } + if (!pdn || !PCI_DN(pdn)) { + printk(KERN_WARNING "pci_dma_dev_setup_pSeriesLP: " + "no DMA window found for pci dev=%s dn=%s\n", + pci_name(dev), dn? dn->full_name : "<null>"); + return; + } DBG(" parent is %s\n", pdn->full_name); /* Check for parent == NULL so we don't try to setup the empty EADS diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 3a70e8ad7bc8..362dfbc260a6 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -231,13 +231,13 @@ void __init find_udbg_vterm(void) goto out; vtermno = termno[0]; - if (device_is_compatible(stdout_node, "hvterm1")) { + if (of_device_is_compatible(stdout_node, "hvterm1")) { udbg_putc = udbg_putcLP; udbg_getc = udbg_getcLP; udbg_getc_poll = udbg_getc_pollLP; if (add_console) add_preferred_console("hvc", termno[0] & 0xff, NULL); - } else if (device_is_compatible(stdout_node, "hvterm-protocol")) { + } else if (of_device_is_compatible(stdout_node, "hvterm-protocol")) { vtermno = termno[0]; udbg_putc = udbg_hvsi_putc; udbg_getc = udbg_hvsi_getc; diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c new file mode 100644 index 000000000000..6063ea2f67ad --- /dev/null +++ b/arch/powerpc/platforms/pseries/msi.c @@ -0,0 +1,270 @@ +/* + * Copyright 2006 Jake Moilanen <moilanen@austin.ibm.com>, IBM Corp. + * Copyright 2006-2007 Michael Ellerman, IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 of the + * License. + * + */ + +#include <linux/device.h> +#include <linux/irq.h> +#include <linux/msi.h> + +#include <asm/rtas.h> +#include <asm/hw_irq.h> +#include <asm/ppc-pci.h> + +static int query_token, change_token; + +#define RTAS_QUERY_FN 0 +#define RTAS_CHANGE_FN 1 +#define RTAS_RESET_FN 2 +#define RTAS_CHANGE_MSI_FN 3 +#define RTAS_CHANGE_MSIX_FN 4 + +static struct pci_dn *get_pdn(struct pci_dev *pdev) +{ + struct device_node *dn; + struct pci_dn *pdn; + + dn = pci_device_to_OF_node(pdev); + if (!dn) { + dev_dbg(&pdev->dev, "rtas_msi: No OF device node\n"); + return NULL; + } + + pdn = PCI_DN(dn); + if (!pdn) { + dev_dbg(&pdev->dev, "rtas_msi: No PCI DN\n"); + return NULL; + } + + return pdn; +} + +/* RTAS Helpers */ + +static int rtas_change_msi(struct pci_dn *pdn, u32 func, u32 num_irqs) +{ + u32 addr, seq_num, rtas_ret[3]; + unsigned long buid; + int rc; + + addr = rtas_config_addr(pdn->busno, pdn->devfn, 0); + buid = pdn->phb->buid; + + seq_num = 1; + do { + if (func == RTAS_CHANGE_MSI_FN || func == RTAS_CHANGE_MSIX_FN) + rc = rtas_call(change_token, 6, 4, rtas_ret, addr, + BUID_HI(buid), BUID_LO(buid), + func, num_irqs, seq_num); + else + rc = rtas_call(change_token, 6, 3, rtas_ret, addr, + BUID_HI(buid), BUID_LO(buid), + func, num_irqs, seq_num); + + seq_num = rtas_ret[1]; + } while (rtas_busy_delay(rc)); + + if (rc == 0) /* Success */ + rc = rtas_ret[0]; + + pr_debug("rtas_msi: ibm,change_msi(func=%d,num=%d) = (%d)\n", + func, num_irqs, rc); + + return rc; +} + +static void rtas_disable_msi(struct pci_dev *pdev) +{ + struct pci_dn *pdn; + + pdn = get_pdn(pdev); + if (!pdn) + return; + + if (rtas_change_msi(pdn, RTAS_CHANGE_FN, 0) != 0) + pr_debug("rtas_msi: Setting MSIs to 0 failed!\n"); +} + +static int rtas_query_irq_number(struct pci_dn *pdn, int offset) +{ + u32 addr, rtas_ret[2]; + unsigned long buid; + int rc; + + addr = rtas_config_addr(pdn->busno, pdn->devfn, 0); + buid = pdn->phb->buid; + + do { + rc = rtas_call(query_token, 4, 3, rtas_ret, addr, + BUID_HI(buid), BUID_LO(buid), offset); + } while (rtas_busy_delay(rc)); + + if (rc) { + pr_debug("rtas_msi: error (%d) querying source number\n", rc); + return rc; + } + + return rtas_ret[0]; +} + +static void rtas_teardown_msi_irqs(struct pci_dev *pdev) +{ + struct msi_desc *entry; + + list_for_each_entry(entry, &pdev->msi_list, list) { + if (entry->irq == NO_IRQ) + continue; + + set_irq_msi(entry->irq, NULL); + irq_dispose_mapping(entry->irq); + } + + rtas_disable_msi(pdev); +} + +static int check_req_msi(struct pci_dev *pdev, int nvec) +{ + struct device_node *dn; + struct pci_dn *pdn; + const u32 *req_msi; + + pdn = get_pdn(pdev); + if (!pdn) + return -ENODEV; + + dn = pdn->node; + + req_msi = of_get_property(dn, "ibm,req#msi", NULL); + if (!req_msi) { + pr_debug("rtas_msi: No ibm,req#msi on %s\n", dn->full_name); + return -ENOENT; + } + + if (*req_msi < nvec) { + pr_debug("rtas_msi: ibm,req#msi requests < %d MSIs\n", nvec); + return -ENOSPC; + } + + return 0; +} + +static int rtas_msi_check_device(struct pci_dev *pdev, int nvec, int type) +{ + if (type == PCI_CAP_ID_MSIX) + pr_debug("rtas_msi: MSI-X untested, trying anyway.\n"); + + return check_req_msi(pdev, nvec); +} + +static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) +{ + struct pci_dn *pdn; + int hwirq, virq, i, rc; + struct msi_desc *entry; + + pdn = get_pdn(pdev); + if (!pdn) + return -ENODEV; + + /* + * Try the new more explicit firmware interface, if that fails fall + * back to the old interface. The old interface is known to never + * return MSI-Xs. + */ + if (type == PCI_CAP_ID_MSI) { + rc = rtas_change_msi(pdn, RTAS_CHANGE_MSI_FN, nvec); + + if (rc != nvec) { + pr_debug("rtas_msi: trying the old firmware call.\n"); + rc = rtas_change_msi(pdn, RTAS_CHANGE_FN, nvec); + } + } else + rc = rtas_change_msi(pdn, RTAS_CHANGE_MSIX_FN, nvec); + + if (rc != nvec) { + pr_debug("rtas_msi: rtas_change_msi() failed\n"); + + /* + * In case of an error it's not clear whether the device is + * left with MSI enabled or not, so we explicitly disable. + */ + goto out_free; + } + + i = 0; + list_for_each_entry(entry, &pdev->msi_list, list) { + hwirq = rtas_query_irq_number(pdn, i); + if (hwirq < 0) { + rc = hwirq; + pr_debug("rtas_msi: error (%d) getting hwirq\n", rc); + goto out_free; + } + + virq = irq_create_mapping(NULL, hwirq); + + if (virq == NO_IRQ) { + pr_debug("rtas_msi: Failed mapping hwirq %d\n", hwirq); + rc = -ENOSPC; + goto out_free; + } + + dev_dbg(&pdev->dev, "rtas_msi: allocated virq %d\n", virq); + set_irq_msi(virq, entry); + unmask_msi_irq(virq); + } + + return 0; + + out_free: + rtas_teardown_msi_irqs(pdev); + return rc; +} + +static void rtas_msi_pci_irq_fixup(struct pci_dev *pdev) +{ + /* No LSI -> leave MSIs (if any) configured */ + if (pdev->irq == NO_IRQ) { + dev_dbg(&pdev->dev, "rtas_msi: no LSI, nothing to do.\n"); + return; + } + + /* No MSI -> MSIs can't have been assigned by fw, leave LSI */ + if (check_req_msi(pdev, 1)) { + dev_dbg(&pdev->dev, "rtas_msi: no req#msi, nothing to do.\n"); + return; + } + + dev_dbg(&pdev->dev, "rtas_msi: disabling existing MSI.\n"); + rtas_disable_msi(pdev); +} + +static int rtas_msi_init(void) +{ + query_token = rtas_token("ibm,query-interrupt-source-number"); + change_token = rtas_token("ibm,change-msi"); + + if ((query_token == RTAS_UNKNOWN_SERVICE) || + (change_token == RTAS_UNKNOWN_SERVICE)) { + pr_debug("rtas_msi: no RTAS tokens, no MSI support.\n"); + return -1; + } + + pr_debug("rtas_msi: Registering RTAS MSI callbacks.\n"); + + WARN_ON(ppc_md.setup_msi_irqs); + ppc_md.setup_msi_irqs = rtas_setup_msi_irqs; + ppc_md.teardown_msi_irqs = rtas_teardown_msi_irqs; + ppc_md.msi_check_device = rtas_msi_check_device; + + WARN_ON(ppc_md.pci_irq_fixup); + ppc_md.pci_irq_fixup = rtas_msi_pci_irq_fixup; + + return 0; +} +arch_initcall(rtas_msi_init); diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c index fdc1a369f767..ffaf6c5c517b 100644 --- a/arch/powerpc/platforms/pseries/pci_dlpar.c +++ b/arch/powerpc/platforms/pseries/pci_dlpar.c @@ -79,6 +79,7 @@ pcibios_remove_pci_devices(struct pci_bus *bus) pci_remove_bus_device(dev); } } +EXPORT_SYMBOL_GPL(pcibios_remove_pci_devices); /* Must be called before pci_bus_add_devices */ void diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 33eec2822c66..470db6efaeb6 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -168,7 +168,7 @@ static void __init pseries_mpic_init_IRQ(void) /* Look for cascade */ for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "chrp,iic")) { + if (of_device_is_compatible(np, "chrp,iic")) { cascade = np; break; } diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 896cbf340c42..b854e7f1001c 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -477,7 +477,7 @@ static int xics_host_match(struct irq_host *h, struct device_node *node) * like vdevices, events, etc... The trick we use here is to match * everything here except the legacy 8259 which is compatible "chrp,iic" */ - return !device_is_compatible(node, "chrp,iic"); + return !of_device_is_compatible(node, "chrp,iic"); } static int xics_host_map_direct(struct irq_host *h, unsigned int virq, @@ -618,7 +618,7 @@ static void __init xics_setup_8259_cascade(void) unsigned long intack = 0; for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "chrp,iic")) { + if (of_device_is_compatible(np, "chrp,iic")) { found = np; break; } diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index e96ca9618dbb..9ce775c38ab7 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -2,7 +2,9 @@ ifeq ($(CONFIG_PPC64),y) EXTRA_CFLAGS += -mno-minimal-toc endif -obj-$(CONFIG_MPIC) += mpic.o +mpic-msi-obj-$(CONFIG_PCI_MSI) += mpic_msi.o mpic_u3msi.o +obj-$(CONFIG_MPIC) += mpic.o $(mpic-msi-obj-y) + obj-$(CONFIG_PPC_INDIRECT_PCI) += indirect_pci.o obj-$(CONFIG_PPC_MPC106) += grackle.o obj-$(CONFIG_PPC_DCR) += dcr.o @@ -26,7 +28,6 @@ endif # Temporary hack until we have migrated to asm-powerpc ifeq ($(ARCH),powerpc) -obj-$(CONFIG_MTD) += rom.o obj-$(CONFIG_CPM2) += cpm2_common.o cpm2_pic.o obj-$(CONFIG_8xx) += mpc8xx_pic.o commproc.o obj-$(CONFIG_UCODE_PATCH) += micropatch.o diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c index 336186dd7f10..a1d2042bb304 100644 --- a/arch/powerpc/sysdev/dart_iommu.c +++ b/arch/powerpc/sysdev/dart_iommu.c @@ -36,6 +36,7 @@ #include <linux/pci.h> #include <linux/dma-mapping.h> #include <linux/vmalloc.h> +#include <linux/suspend.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/iommu.h> @@ -54,6 +55,9 @@ static unsigned long dart_tablesize; /* Virtual base address of the DART table */ static u32 *dart_vbase; +#ifdef CONFIG_PM +static u32 *dart_copy; +#endif /* Mapped base address for the dart */ static unsigned int __iomem *dart; @@ -346,6 +350,48 @@ void iommu_init_early_dart(void) set_pci_dma_ops(&dma_direct_ops); } +#ifdef CONFIG_PM +static void iommu_dart_save(void) +{ + memcpy(dart_copy, dart_vbase, 2*1024*1024); +} + +static void iommu_dart_restore(void) +{ + memcpy(dart_vbase, dart_copy, 2*1024*1024); + dart_tlb_invalidate_all(); +} + +static int __init iommu_init_late_dart(void) +{ + unsigned long tbasepfn; + struct page *p; + + /* if no dart table exists then we won't need to save it + * and the area has also not been reserved */ + if (!dart_tablebase) + return 0; + + tbasepfn = __pa(dart_tablebase) >> PAGE_SHIFT; + register_nosave_region_late(tbasepfn, + tbasepfn + ((1<<24) >> PAGE_SHIFT)); + + /* For suspend we need to copy the dart contents because + * it is not part of the regular mapping (see above) and + * thus not saved automatically. The memory for this copy + * must be allocated early because we need 2 MB. */ + p = alloc_pages(GFP_KERNEL, 21 - PAGE_SHIFT); + BUG_ON(!p); + dart_copy = page_address(p); + + ppc_md.iommu_save = iommu_dart_save; + ppc_md.iommu_restore = iommu_dart_restore; + + return 0; +} + +late_initcall(iommu_init_late_dart); +#endif void __init alloc_dart_table(void) { diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index 8a123c71449f..cad175724359 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -907,7 +907,7 @@ static int __init fs_enet_of_init(void) struct fs_platform_info fs_enet_data; const unsigned int *id; const unsigned int *phy_addr; - void *mac_addr; + const void *mac_addr; const phandle *ph; const char *model; diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 0b84b7c775d8..4fd2bec89916 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -36,6 +36,8 @@ #include <asm/mpic.h> #include <asm/smp.h> +#include "mpic.h" + #ifdef DEBUG #define DBG(fmt...) printk(fmt) #else @@ -354,6 +356,12 @@ static void mpic_startup_ht_interrupt(struct mpic *mpic, unsigned int source, tmp |= 0x22; writel(tmp, fixup->base + 4); spin_unlock_irqrestore(&mpic->fixup_lock, flags); + +#ifdef CONFIG_PM + /* use the lowest bit inverted to the actual HW, + * set if this fixup was enabled, clear otherwise */ + mpic->save_data[source].fixup_data = tmp | 1; +#endif } static void mpic_shutdown_ht_interrupt(struct mpic *mpic, unsigned int source, @@ -375,8 +383,58 @@ static void mpic_shutdown_ht_interrupt(struct mpic *mpic, unsigned int source, tmp |= 1; writel(tmp, fixup->base + 4); spin_unlock_irqrestore(&mpic->fixup_lock, flags); + +#ifdef CONFIG_PM + /* use the lowest bit inverted to the actual HW, + * set if this fixup was enabled, clear otherwise */ + mpic->save_data[source].fixup_data = tmp & ~1; +#endif } +#ifdef CONFIG_PCI_MSI +static void __init mpic_scan_ht_msi(struct mpic *mpic, u8 __iomem *devbase, + unsigned int devfn) +{ + u8 __iomem *base; + u8 pos, flags; + u64 addr = 0; + + for (pos = readb(devbase + PCI_CAPABILITY_LIST); pos != 0; + pos = readb(devbase + pos + PCI_CAP_LIST_NEXT)) { + u8 id = readb(devbase + pos + PCI_CAP_LIST_ID); + if (id == PCI_CAP_ID_HT) { + id = readb(devbase + pos + 3); + if ((id & HT_5BIT_CAP_MASK) == HT_CAPTYPE_MSI_MAPPING) + break; + } + } + + if (pos == 0) + return; + + base = devbase + pos; + + flags = readb(base + HT_MSI_FLAGS); + if (!(flags & HT_MSI_FLAGS_FIXED)) { + addr = readl(base + HT_MSI_ADDR_LO) & HT_MSI_ADDR_LO_MASK; + addr = addr | ((u64)readl(base + HT_MSI_ADDR_HI) << 32); + } + + printk(KERN_DEBUG "mpic: - HT:%02x.%x %s MSI mapping found @ 0x%lx\n", + PCI_SLOT(devfn), PCI_FUNC(devfn), + flags & HT_MSI_FLAGS_ENABLE ? "enabled" : "disabled", addr); + + if (!(flags & HT_MSI_FLAGS_ENABLE)) + writeb(flags | HT_MSI_FLAGS_ENABLE, base + HT_MSI_FLAGS); +} +#else +static void __init mpic_scan_ht_msi(struct mpic *mpic, u8 __iomem *devbase, + unsigned int devfn) +{ + return; +} +#endif + static void __init mpic_scan_ht_pic(struct mpic *mpic, u8 __iomem *devbase, unsigned int devfn, u32 vdid) { @@ -468,6 +526,7 @@ static void __init mpic_scan_ht_pics(struct mpic *mpic) goto next; mpic_scan_ht_pic(mpic, devbase, devfn, l); + mpic_scan_ht_msi(mpic, devbase, devfn); next: /* next device, if function 0 */ @@ -559,7 +618,7 @@ static irqreturn_t mpic_ipi_action(int irq, void *dev_id) */ -static void mpic_unmask_irq(unsigned int irq) +void mpic_unmask_irq(unsigned int irq) { unsigned int loops = 100000; struct mpic *mpic = mpic_from_irq(irq); @@ -579,7 +638,7 @@ static void mpic_unmask_irq(unsigned int irq) } while(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK); } -static void mpic_mask_irq(unsigned int irq) +void mpic_mask_irq(unsigned int irq) { unsigned int loops = 100000; struct mpic *mpic = mpic_from_irq(irq); @@ -600,7 +659,7 @@ static void mpic_mask_irq(unsigned int irq) } while(!(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK)); } -static void mpic_end_irq(unsigned int irq) +void mpic_end_irq(unsigned int irq) { struct mpic *mpic = mpic_from_irq(irq); @@ -733,7 +792,7 @@ static unsigned int mpic_type_to_vecpri(struct mpic *mpic, unsigned int type) } } -static int mpic_set_irq_type(unsigned int virq, unsigned int flow_type) +int mpic_set_irq_type(unsigned int virq, unsigned int flow_type) { struct mpic *mpic = mpic_from_irq(virq); unsigned int src = mpic_irq_to_hw(virq); @@ -834,6 +893,8 @@ static int mpic_host_map(struct irq_host *h, unsigned int virq, if (hw >= mpic->irq_count) return -EINVAL; + mpic_msi_reserve_hwirq(mpic, hw); + /* Default chip */ chip = &mpic->hc_irq; @@ -1142,8 +1203,10 @@ void __init mpic_init(struct mpic *mpic) /* Do the HT PIC fixups on U3 broken mpic */ DBG("MPIC flags: %x\n", mpic->flags); - if ((mpic->flags & MPIC_U3_HT_IRQS) && (mpic->flags & MPIC_PRIMARY)) - mpic_scan_ht_pics(mpic); + if ((mpic->flags & MPIC_U3_HT_IRQS) && (mpic->flags & MPIC_PRIMARY)) { + mpic_scan_ht_pics(mpic); + mpic_u3msi_init(mpic); + } for (i = 0; i < mpic->num_sources; i++) { /* start with vector = source number, and masked */ @@ -1167,6 +1230,12 @@ void __init mpic_init(struct mpic *mpic) /* Set current processor priority to 0 */ mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0); + +#ifdef CONFIG_PM + /* allocate memory to save mpic state */ + mpic->save_data = alloc_bootmem(mpic->num_sources * sizeof(struct mpic_irq_save)); + BUG_ON(mpic->save_data == NULL); +#endif } void __init mpic_set_clk_ratio(struct mpic *mpic, u32 clock_ratio) @@ -1333,8 +1402,11 @@ unsigned int mpic_get_one_irq(struct mpic *mpic) #ifdef DEBUG_LOW DBG("%s: get_one_irq(): %d\n", mpic->name, src); #endif - if (unlikely(src == mpic->spurious_vec)) + if (unlikely(src == mpic->spurious_vec)) { + if (mpic->flags & MPIC_SPV_EOI) + mpic_eoi(mpic); return NO_IRQ; + } return irq_linear_revmap(mpic->irqhost, src); } @@ -1417,3 +1489,79 @@ void __devinit smp_mpic_setup_cpu(int cpu) mpic_setup_this_cpu(); } #endif /* CONFIG_SMP */ + +#ifdef CONFIG_PM +static int mpic_suspend(struct sys_device *dev, pm_message_t state) +{ + struct mpic *mpic = container_of(dev, struct mpic, sysdev); + int i; + + for (i = 0; i < mpic->num_sources; i++) { + mpic->save_data[i].vecprio = + mpic_irq_read(i, MPIC_INFO(IRQ_VECTOR_PRI)); + mpic->save_data[i].dest = + mpic_irq_read(i, MPIC_INFO(IRQ_DESTINATION)); + } + + return 0; +} + +static int mpic_resume(struct sys_device *dev) +{ + struct mpic *mpic = container_of(dev, struct mpic, sysdev); + int i; + + for (i = 0; i < mpic->num_sources; i++) { + mpic_irq_write(i, MPIC_INFO(IRQ_VECTOR_PRI), + mpic->save_data[i].vecprio); + mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION), + mpic->save_data[i].dest); + +#ifdef CONFIG_MPIC_U3_HT_IRQS + { + struct mpic_irq_fixup *fixup = &mpic->fixups[i]; + + if (fixup->base) { + /* we use the lowest bit in an inverted meaning */ + if ((mpic->save_data[i].fixup_data & 1) == 0) + continue; + + /* Enable and configure */ + writeb(0x10 + 2 * fixup->index, fixup->base + 2); + + writel(mpic->save_data[i].fixup_data & ~1, + fixup->base + 4); + } + } +#endif + } /* end for loop */ + + return 0; +} +#endif + +static struct sysdev_class mpic_sysclass = { +#ifdef CONFIG_PM + .resume = mpic_resume, + .suspend = mpic_suspend, +#endif + set_kset_name("mpic"), +}; + +static int mpic_init_sys(void) +{ + struct mpic *mpic = mpics; + int error, id = 0; + + error = sysdev_class_register(&mpic_sysclass); + + while (mpic && !error) { + mpic->sysdev.cls = &mpic_sysclass; + mpic->sysdev.id = id++; + error = sysdev_register(&mpic->sysdev); + mpic = mpic->next; + } + return error; +} + +device_initcall(mpic_init_sys); diff --git a/arch/powerpc/sysdev/mpic.h b/arch/powerpc/sysdev/mpic.h new file mode 100644 index 000000000000..3a1c3d2c594d --- /dev/null +++ b/arch/powerpc/sysdev/mpic.h @@ -0,0 +1,38 @@ +#ifndef _POWERPC_SYSDEV_MPIC_H +#define _POWERPC_SYSDEV_MPIC_H + +/* + * Copyright 2006-2007, Michael Ellerman, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 of the + * License. + * + */ + +#ifdef CONFIG_PCI_MSI +extern void mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq); +extern int mpic_msi_init_allocator(struct mpic *mpic); +extern irq_hw_number_t mpic_msi_alloc_hwirqs(struct mpic *mpic, int num); +extern void mpic_msi_free_hwirqs(struct mpic *mpic, int offset, int num); +extern int mpic_u3msi_init(struct mpic *mpic); +#else +static inline void mpic_msi_reserve_hwirq(struct mpic *mpic, + irq_hw_number_t hwirq) +{ + return; +} + +static inline int mpic_u3msi_init(struct mpic *mpic) +{ + return -1; +} +#endif + +extern int mpic_set_irq_type(unsigned int virq, unsigned int flow_type); +extern void mpic_end_irq(unsigned int irq); +extern void mpic_mask_irq(unsigned int irq); +extern void mpic_unmask_irq(unsigned int irq); + +#endif /* _POWERPC_SYSDEV_MPIC_H */ diff --git a/arch/powerpc/sysdev/mpic_msi.c b/arch/powerpc/sysdev/mpic_msi.c new file mode 100644 index 000000000000..b076793033c2 --- /dev/null +++ b/arch/powerpc/sysdev/mpic_msi.c @@ -0,0 +1,183 @@ +/* + * Copyright 2006-2007, Michael Ellerman, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 of the + * License. + * + */ + +#include <linux/irq.h> +#include <linux/bootmem.h> +#include <linux/bitmap.h> +#include <linux/msi.h> +#include <asm/mpic.h> +#include <asm/prom.h> +#include <asm/hw_irq.h> +#include <asm/ppc-pci.h> + + +static void __mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq) +{ + pr_debug("mpic: reserving hwirq 0x%lx\n", hwirq); + bitmap_allocate_region(mpic->hwirq_bitmap, hwirq, 0); +} + +void mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq) +{ + unsigned long flags; + + /* The mpic calls this even when there is no allocator setup */ + if (!mpic->hwirq_bitmap) + return; + + spin_lock_irqsave(&mpic->bitmap_lock, flags); + __mpic_msi_reserve_hwirq(mpic, hwirq); + spin_unlock_irqrestore(&mpic->bitmap_lock, flags); +} + +irq_hw_number_t mpic_msi_alloc_hwirqs(struct mpic *mpic, int num) +{ + unsigned long flags; + int offset, order = get_count_order(num); + + spin_lock_irqsave(&mpic->bitmap_lock, flags); + /* + * This is fast, but stricter than we need. We might want to add + * a fallback routine which does a linear search with no alignment. + */ + offset = bitmap_find_free_region(mpic->hwirq_bitmap, mpic->irq_count, + order); + spin_unlock_irqrestore(&mpic->bitmap_lock, flags); + + pr_debug("mpic: allocated 0x%x (2^%d) at offset 0x%x\n", + num, order, offset); + + return offset; +} + +void mpic_msi_free_hwirqs(struct mpic *mpic, int offset, int num) +{ + unsigned long flags; + int order = get_count_order(num); + + pr_debug("mpic: freeing 0x%x (2^%d) at offset 0x%x\n", + num, order, offset); + + spin_lock_irqsave(&mpic->bitmap_lock, flags); + bitmap_release_region(mpic->hwirq_bitmap, offset, order); + spin_unlock_irqrestore(&mpic->bitmap_lock, flags); +} + +#ifdef CONFIG_MPIC_U3_HT_IRQS +static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic) +{ + irq_hw_number_t hwirq; + struct irq_host_ops *ops = mpic->irqhost->ops; + struct device_node *np; + int flags, index, i; + struct of_irq oirq; + + pr_debug("mpic: found U3, guessing msi allocator setup\n"); + + /* Reserve source numbers we know are reserved in the HW */ + for (i = 0; i < 8; i++) + __mpic_msi_reserve_hwirq(mpic, i); + + for (i = 42; i < 46; i++) + __mpic_msi_reserve_hwirq(mpic, i); + + for (i = 100; i < 105; i++) + __mpic_msi_reserve_hwirq(mpic, i); + + np = NULL; + while ((np = of_find_all_nodes(np))) { + pr_debug("mpic: mapping hwirqs for %s\n", np->full_name); + + index = 0; + while (of_irq_map_one(np, index++, &oirq) == 0) { + ops->xlate(mpic->irqhost, NULL, oirq.specifier, + oirq.size, &hwirq, &flags); + __mpic_msi_reserve_hwirq(mpic, hwirq); + } + } + + return 0; +} +#else +static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic) +{ + return -1; +} +#endif + +static int mpic_msi_reserve_dt_hwirqs(struct mpic *mpic) +{ + int i, len; + const u32 *p; + + p = of_get_property(mpic->of_node, "msi-available-ranges", &len); + if (!p) { + pr_debug("mpic: no msi-available-ranges property found on %s\n", + mpic->of_node->full_name); + return -ENODEV; + } + + if (len % 8 != 0) { + printk(KERN_WARNING "mpic: Malformed msi-available-ranges " + "property on %s\n", mpic->of_node->full_name); + return -EINVAL; + } + + bitmap_allocate_region(mpic->hwirq_bitmap, 0, + get_count_order(mpic->irq_count)); + + /* Format is: (<u32 start> <u32 count>)+ */ + len /= sizeof(u32); + for (i = 0; i < len / 2; i++, p += 2) + mpic_msi_free_hwirqs(mpic, *p, *(p + 1)); + + return 0; +} + +int mpic_msi_init_allocator(struct mpic *mpic) +{ + int rc, size; + + BUG_ON(mpic->hwirq_bitmap); + spin_lock_init(&mpic->bitmap_lock); + + size = BITS_TO_LONGS(mpic->irq_count) * sizeof(long); + pr_debug("mpic: allocator bitmap size is 0x%x bytes\n", size); + + if (mem_init_done) + mpic->hwirq_bitmap = kmalloc(size, GFP_KERNEL); + else + mpic->hwirq_bitmap = alloc_bootmem(size); + + if (!mpic->hwirq_bitmap) { + pr_debug("mpic: ENOMEM allocating allocator bitmap!\n"); + return -ENOMEM; + } + + memset(mpic->hwirq_bitmap, 0, size); + + rc = mpic_msi_reserve_dt_hwirqs(mpic); + if (rc) { + if (mpic->flags & MPIC_U3_HT_IRQS) + rc = mpic_msi_reserve_u3_hwirqs(mpic); + + if (rc) + goto out_free; + } + + return 0; + + out_free: + if (mem_init_done) + kfree(mpic->hwirq_bitmap); + + mpic->hwirq_bitmap = NULL; + return rc; +} diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c new file mode 100644 index 000000000000..305b864c25d9 --- /dev/null +++ b/arch/powerpc/sysdev/mpic_u3msi.c @@ -0,0 +1,186 @@ +/* + * Copyright 2006, Segher Boessenkool, IBM Corporation. + * Copyright 2006-2007, Michael Ellerman, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 of the + * License. + * + */ + +#include <linux/irq.h> +#include <linux/bootmem.h> +#include <linux/msi.h> +#include <asm/mpic.h> +#include <asm/prom.h> +#include <asm/hw_irq.h> +#include <asm/ppc-pci.h> + +#include "mpic.h" + +/* A bit ugly, can we get this from the pci_dev somehow? */ +static struct mpic *msi_mpic; + +static void mpic_u3msi_mask_irq(unsigned int irq) +{ + mask_msi_irq(irq); + mpic_mask_irq(irq); +} + +static void mpic_u3msi_unmask_irq(unsigned int irq) +{ + mpic_unmask_irq(irq); + unmask_msi_irq(irq); +} + +static struct irq_chip mpic_u3msi_chip = { + .shutdown = mpic_u3msi_mask_irq, + .mask = mpic_u3msi_mask_irq, + .unmask = mpic_u3msi_unmask_irq, + .eoi = mpic_end_irq, + .set_type = mpic_set_irq_type, + .typename = "MPIC-U3MSI", +}; + +static u64 read_ht_magic_addr(struct pci_dev *pdev, unsigned int pos) +{ + u8 flags; + u32 tmp; + u64 addr; + + pci_read_config_byte(pdev, pos + HT_MSI_FLAGS, &flags); + + if (flags & HT_MSI_FLAGS_FIXED) + return HT_MSI_FIXED_ADDR; + + pci_read_config_dword(pdev, pos + HT_MSI_ADDR_LO, &tmp); + addr = tmp & HT_MSI_ADDR_LO_MASK; + pci_read_config_dword(pdev, pos + HT_MSI_ADDR_HI, &tmp); + addr = addr | ((u64)tmp << 32); + + return addr; +} + +static u64 find_ht_magic_addr(struct pci_dev *pdev) +{ + struct pci_bus *bus; + unsigned int pos; + + for (bus = pdev->bus; bus; bus = bus->parent) { + pos = pci_find_ht_capability(bus->self, HT_CAPTYPE_MSI_MAPPING); + if (pos) + return read_ht_magic_addr(bus->self, pos); + } + + return 0; +} + +static int u3msi_msi_check_device(struct pci_dev *pdev, int nvec, int type) +{ + if (type == PCI_CAP_ID_MSIX) + pr_debug("u3msi: MSI-X untested, trying anyway.\n"); + + /* If we can't find a magic address then MSI ain't gonna work */ + if (find_ht_magic_addr(pdev) == 0) { + pr_debug("u3msi: no magic address found for %s\n", + pci_name(pdev)); + return -ENXIO; + } + + return 0; +} + +static void u3msi_teardown_msi_irqs(struct pci_dev *pdev) +{ + struct msi_desc *entry; + + list_for_each_entry(entry, &pdev->msi_list, list) { + if (entry->irq == NO_IRQ) + continue; + + set_irq_msi(entry->irq, NULL); + mpic_msi_free_hwirqs(msi_mpic, virq_to_hw(entry->irq), 1); + irq_dispose_mapping(entry->irq); + } + + return; +} + +static void u3msi_compose_msi_msg(struct pci_dev *pdev, int virq, + struct msi_msg *msg) +{ + u64 addr; + + addr = find_ht_magic_addr(pdev); + msg->address_lo = addr & 0xFFFFFFFF; + msg->address_hi = addr >> 32; + msg->data = virq_to_hw(virq); + + pr_debug("u3msi: allocated virq 0x%x (hw 0x%lx) at address 0x%lx\n", + virq, virq_to_hw(virq), addr); +} + +static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) +{ + irq_hw_number_t hwirq; + int rc; + unsigned int virq; + struct msi_desc *entry; + struct msi_msg msg; + + list_for_each_entry(entry, &pdev->msi_list, list) { + hwirq = mpic_msi_alloc_hwirqs(msi_mpic, 1); + if (hwirq < 0) { + rc = hwirq; + pr_debug("u3msi: failed allocating hwirq\n"); + goto out_free; + } + + virq = irq_create_mapping(msi_mpic->irqhost, hwirq); + if (virq == NO_IRQ) { + pr_debug("u3msi: failed mapping hwirq 0x%lx\n", hwirq); + mpic_msi_free_hwirqs(msi_mpic, hwirq, 1); + rc = -ENOSPC; + goto out_free; + } + + set_irq_msi(virq, entry); + set_irq_chip(virq, &mpic_u3msi_chip); + set_irq_type(virq, IRQ_TYPE_EDGE_RISING); + + u3msi_compose_msi_msg(pdev, virq, &msg); + write_msi_msg(virq, &msg); + + hwirq++; + } + + return 0; + + out_free: + u3msi_teardown_msi_irqs(pdev); + return rc; +} + +int mpic_u3msi_init(struct mpic *mpic) +{ + int rc; + + rc = mpic_msi_init_allocator(mpic); + if (rc) { + pr_debug("u3msi: Error allocating bitmap!\n"); + return rc; + } + + pr_debug("u3msi: Registering MPIC U3 MSI callbacks.\n"); + + BUG_ON(msi_mpic); + msi_mpic = mpic; + + WARN_ON(ppc_md.setup_msi_irqs); + ppc_md.setup_msi_irqs = u3msi_setup_msi_irqs; + ppc_md.teardown_msi_irqs = u3msi_teardown_msi_irqs; + ppc_md.msi_check_device = u3msi_msi_check_device; + + return 0; +} diff --git a/arch/powerpc/sysdev/rom.c b/arch/powerpc/sysdev/rom.c deleted file mode 100644 index c855a3b298a3..000000000000 --- a/arch/powerpc/sysdev/rom.c +++ /dev/null @@ -1,32 +0,0 @@ -/* - * ROM device registration - * - * (C) 2006 MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#include <linux/kernel.h> -#include <asm/of_device.h> -#include <asm/of_platform.h> - -static int __init powerpc_flash_init(void) -{ - struct device_node *node = NULL; - - /* - * Register all the devices which type is "rom" - */ - while ((node = of_find_node_by_type(node, "rom")) != NULL) { - if (node->name == NULL) { - printk(KERN_WARNING "powerpc_flash_init: found 'rom' " - "device, but with no name, skipping...\n"); - continue; - } - of_platform_device_create(node, node->name, NULL); - } - return 0; -} - -arch_initcall(powerpc_flash_init); diff --git a/arch/powerpc/sysdev/tsi108_dev.c b/arch/powerpc/sysdev/tsi108_dev.c index 337039ee51e6..7d3b09b7d544 100644 --- a/arch/powerpc/sysdev/tsi108_dev.c +++ b/arch/powerpc/sysdev/tsi108_dev.c @@ -107,8 +107,9 @@ static int __init tsi108_eth_of_init(void) goto err; } - mac_addr = of_get_property(np, "address", NULL); - memcpy(tsi_eth_data.mac_addr, mac_addr, 6); + mac_addr = of_get_mac_address(np); + if (mac_addr) + memcpy(tsi_eth_data.mac_addr, mac_addr, 6); ph = of_get_property(np, "phy-handle", NULL); phy = of_find_node_by_phandle(*ph); @@ -129,6 +130,8 @@ static int __init tsi108_eth_of_init(void) tsi_eth_data.phyregs = res.start; tsi_eth_data.phy = *phy_id; tsi_eth_data.irq_num = irq_of_parse_and_map(np, 0); + if (of_device_is_compatible(phy, "bcm54xx")) + tsi_eth_data.phy_type = TSI108_PHY_BCM54XX; of_node_put(phy); ret = platform_device_add_data(tsi_eth_dev, &tsi_eth_data, diff --git a/arch/powerpc/sysdev/tsi108_pci.c b/arch/powerpc/sysdev/tsi108_pci.c index 58b9e7f8abf2..2153163fa593 100644 --- a/arch/powerpc/sysdev/tsi108_pci.c +++ b/arch/powerpc/sysdev/tsi108_pci.c @@ -35,6 +35,7 @@ #include <asm/machdep.h> #include <asm/pci-bridge.h> #include <asm/tsi108.h> +#include <asm/tsi108_pci.h> #include <asm/tsi108_irq.h> #include <asm/prom.h> @@ -49,6 +50,7 @@ ((((bus)<<16) | ((devfunc)<<8) | (offset & 0xfc)) + tsi108_pci_cfg_base) u32 tsi108_pci_cfg_base; +static u32 tsi108_pci_cfg_phys; u32 tsi108_csr_vir_base; static struct device_node *pci_irq_node; static struct irq_host *pci_irq_host; @@ -185,7 +187,7 @@ tsi108_direct_read_config(struct pci_bus *bus, unsigned int devfn, int offset, void tsi108_clear_pci_cfg_error(void) { - tsi108_clear_pci_error(TSI108_PCI_CFG_BASE_PHYS); + tsi108_clear_pci_error(tsi108_pci_cfg_phys); } static struct pci_ops tsi108_direct_pci_ops = { @@ -193,17 +195,17 @@ static struct pci_ops tsi108_direct_pci_ops = { tsi108_direct_write_config }; -int __init tsi108_setup_pci(struct device_node *dev) +int __init tsi108_setup_pci(struct device_node *dev, u32 cfg_phys, int primary) { int len; struct pci_controller *hose; struct resource rsrc; const int *bus_range; - int primary = 0, has_address = 0; + int has_address = 0; /* PCI Config mapping */ - tsi108_pci_cfg_base = (u32)ioremap(TSI108_PCI_CFG_BASE_PHYS, - TSI108_PCI_CFG_SIZE); + tsi108_pci_cfg_base = (u32)ioremap(cfg_phys, TSI108_PCI_CFG_SIZE); + tsi108_pci_cfg_phys = cfg_phys; DBG("TSI_PCI: %s tsi108_pci_cfg_base=0x%x\n", __FUNCTION__, tsi108_pci_cfg_base); diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c index 968fb40af9dc..89059895a20d 100644 --- a/arch/powerpc/sysdev/uic.c +++ b/arch/powerpc/sysdev/uic.c @@ -221,7 +221,7 @@ static struct uic * __init uic_init_one(struct device_node *node) const u32 *indexp, *dcrreg; int len; - BUG_ON(! device_is_compatible(node, "ibm,uic")); + BUG_ON(! of_device_is_compatible(node, "ibm,uic")); uic = alloc_bootmem(sizeof(*uic)); if (! uic) diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index b481db1dacb4..28fdf4f50c27 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -1217,7 +1217,6 @@ static void get_function_bounds(unsigned long pc, unsigned long *startp, { unsigned long size, offset; const char *name; - char *modname; *startp = *endp = 0; if (pc == 0) @@ -1225,7 +1224,7 @@ static void get_function_bounds(unsigned long pc, unsigned long *startp, if (setjmp(bus_error_jmp) == 0) { catch_memory_errors = 1; sync(); - name = kallsyms_lookup(pc, &size, &offset, &modname, tmpstr); + name = kallsyms_lookup(pc, &size, &offset, NULL, tmpstr); if (name != NULL) { *startp = pc - offset; *endp = pc - offset + size; diff --git a/arch/ppc/kernel/asm-offsets.c b/arch/ppc/kernel/asm-offsets.c index c5850a272650..e8e94321b59e 100644 --- a/arch/ppc/kernel/asm-offsets.c +++ b/arch/ppc/kernel/asm-offsets.c @@ -35,7 +35,7 @@ int main(void) { DEFINE(THREAD, offsetof(struct task_struct, thread)); - DEFINE(THREAD_INFO, offsetof(struct task_struct, thread_info)); + DEFINE(THREAD_INFO, offsetof(struct task_struct, stack)); DEFINE(MM, offsetof(struct task_struct, mm)); DEFINE(PTRACE, offsetof(struct task_struct, ptrace)); DEFINE(KSP, offsetof(struct thread_struct, ksp)); diff --git a/arch/ppc/kernel/ppc_htab.c b/arch/ppc/kernel/ppc_htab.c index 0a7e42d54eaf..aa07b63c0a6c 100644 --- a/arch/ppc/kernel/ppc_htab.c +++ b/arch/ppc/kernel/ppc_htab.c @@ -18,7 +18,6 @@ #include <linux/capability.h> #include <linux/ctype.h> #include <linux/threads.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/init.h> #include <linux/bitops.h> diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c index 96a55972b986..055998575cb4 100644 --- a/arch/ppc/kernel/smp.c +++ b/arch/ppc/kernel/smp.c @@ -12,7 +12,6 @@ #include <linux/module.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/delay.h> diff --git a/arch/ppc/platforms/mpc866ads_setup.c b/arch/ppc/platforms/mpc866ads_setup.c index 7ce5364fdb3b..bf72204125c5 100644 --- a/arch/ppc/platforms/mpc866ads_setup.c +++ b/arch/ppc/platforms/mpc866ads_setup.c @@ -1,4 +1,4 @@ -/*arch/ppc/platforms/mpc866ads-setup.c +/*arch/ppc/platforms/mpc866ads_setup.c * * Platform setup for the Freescale mpc866ads board * diff --git a/arch/ppc/syslib/ipic.c b/arch/ppc/syslib/ipic.c index 10659c24b1be..9192777d0f78 100644 --- a/arch/ppc/syslib/ipic.c +++ b/arch/ppc/syslib/ipic.c @@ -1,5 +1,5 @@ /* - * include/asm-ppc/ipic.c + * arch/ppc/syslib/ipic.c * * IPIC routines implementations. * diff --git a/arch/ppc/syslib/ppc4xx_sgdma.c b/arch/ppc/syslib/ppc4xx_sgdma.c index 5dadca3e0d61..c4b369b50f9c 100644 --- a/arch/ppc/syslib/ppc4xx_sgdma.c +++ b/arch/ppc/syslib/ppc4xx_sgdma.c @@ -23,10 +23,10 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/module.h> +#include <linux/dma-mapping.h> #include <asm/system.h> #include <asm/io.h> -#include <asm/dma-mapping.h> #include <asm/ppc4xx_dma.h> void diff --git a/arch/ppc/syslib/virtex_devices.h b/arch/ppc/syslib/virtex_devices.h index 4a17dd3927c1..3d4be1412f60 100644 --- a/arch/ppc/syslib/virtex_devices.h +++ b/arch/ppc/syslib/virtex_devices.h @@ -13,6 +13,13 @@ #include <linux/platform_device.h> +/* ML300/403 reference design framebuffer driver platform data struct */ +struct xilinxfb_platform_data { + u32 rotate_screen; + u32 screen_height_mm; + u32 screen_width_mm; +}; + void __init virtex_early_serial_map(void); /* Prototype for device fixup routine. Implement this routine in the diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index ee89b33145d5..81a2b92ab0c2 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -567,9 +567,11 @@ appldata_cpu_notify(struct notifier_block *self, { switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: appldata_online_cpu((long) hcpu); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: appldata_offline_cpu((long) hcpu); break; default: diff --git a/arch/s390/crypto/Kconfig b/arch/s390/crypto/Kconfig index 99ff9f08e4d7..d1defbbfcd81 100644 --- a/arch/s390/crypto/Kconfig +++ b/arch/s390/crypto/Kconfig @@ -54,7 +54,7 @@ config S390_PRNG default "m" help Select this option if you want to use the s390 pseudo random number - generator. The PRNG is part of the cryptograhic processor functions + generator. The PRNG is part of the cryptographic processor functions and uses triple-DES to generate secure random numbers like the ANSI X9.17 standard. The PRNG is usable via the char device /dev/prandom. diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index ec514fe5ccd0..1375f8a4469e 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -15,7 +15,7 @@ int main(void) { - DEFINE(__THREAD_info, offsetof(struct task_struct, thread_info),); + DEFINE(__THREAD_info, offsetof(struct task_struct, stack),); DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp),); DEFINE(__THREAD_per, offsetof(struct task_struct, thread.per_info),); DEFINE(__THREAD_mm_segment, diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c index 80a54a0149ab..a5692c460bad 100644 --- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c index dabaf98943d0..a057ebf108a7 100644 --- a/arch/s390/kernel/dis.c +++ b/arch/s390/kernel/dis.c @@ -23,6 +23,7 @@ #include <linux/kallsyms.h> #include <linux/reboot.h> #include <linux/kprobes.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -33,7 +34,6 @@ #include <asm/s390_ext.h> #include <asm/lowcore.h> #include <asm/debug.h> -#include <asm/kdebug.h> #ifndef CONFIG_64BIT #define ONELONG "%08lx: " diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 23c61f6d965b..e39333ae0fcf 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -24,8 +24,8 @@ #include <linux/ptrace.h> #include <linux/preempt.h> #include <linux/stop_machine.h> +#include <linux/kdebug.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> #include <asm/sections.h> #include <asm/uaccess.h> #include <linux/module.h> @@ -271,23 +271,13 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs, } /* Called with kretprobe_lock held */ -void __kprobes arch_prepare_kretprobe(struct kretprobe *rp, +void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) { - struct kretprobe_instance *ri; + ri->ret_addr = (kprobe_opcode_t *) regs->gprs[14]; - if ((ri = get_free_rp_inst(rp)) != NULL) { - ri->rp = rp; - ri->task = current; - ri->ret_addr = (kprobe_opcode_t *) regs->gprs[14]; - - /* Replace the return addr with trampoline addr */ - regs->gprs[14] = (unsigned long)&kretprobe_trampoline; - - add_rp_inst(ri); - } else { - rp->nmissed++; - } + /* Replace the return addr with trampoline addr */ + regs->gprs[14] = (unsigned long)&kretprobe_trampoline; } static int __kprobes kprobe_handler(struct pt_regs *regs) @@ -671,3 +661,10 @@ int __init arch_init_kprobes(void) { return register_kprobe(&trampoline_p); } + +int __kprobes arch_trampoline_kprobe(struct kprobe *p) +{ + if (p->addr == (kprobe_opcode_t *) & kretprobe_trampoline) + return 1; + return 0; +} diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 11d9b0197626..eb43c3b31269 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -22,7 +22,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index 3c41907799a1..d264671c1b71 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 3754e2031b39..09f028a3266b 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -25,7 +25,6 @@ #include <linux/mm.h> #include <linux/spinlock.h> #include <linux/kernel_stat.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/cache.h> #include <linux/interrupt.h> @@ -790,10 +789,12 @@ static int __cpuinit smp_cpu_notify(struct notifier_block *self, switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: if (sysdev_create_file(s, &attr_capability)) return NOTIFY_BAD; break; case CPU_DEAD: + case CPU_DEAD_FROZEN: sysdev_remove_file(s, &attr_capability); break; } diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c index 2e5c65a1863e..515ff9011dd7 100644 --- a/arch/s390/kernel/stacktrace.c +++ b/arch/s390/kernel/stacktrace.c @@ -59,7 +59,7 @@ static unsigned long save_context_stack(struct stack_trace *trace, } } -void save_stack_trace(struct stack_trace *trace, struct task_struct *task) +void save_stack_trace(struct stack_trace *trace) { register unsigned long sp asm ("15"); unsigned long orig_sp, new_sp; @@ -69,20 +69,16 @@ void save_stack_trace(struct stack_trace *trace, struct task_struct *task) new_sp = save_context_stack(trace, &trace->skip, orig_sp, S390_lowcore.panic_stack - PAGE_SIZE, S390_lowcore.panic_stack); - if ((new_sp != orig_sp) && !trace->all_contexts) + if (new_sp != orig_sp) return; new_sp = save_context_stack(trace, &trace->skip, new_sp, S390_lowcore.async_stack - ASYNC_SIZE, S390_lowcore.async_stack); - if ((new_sp != orig_sp) && !trace->all_contexts) + if (new_sp != orig_sp) return; - if (task) - save_context_stack(trace, &trace->skip, new_sp, - (unsigned long) task_stack_page(task), - (unsigned long) task_stack_page(task) + THREAD_SIZE); - else - save_context_stack(trace, &trace->skip, new_sp, - S390_lowcore.thread_info, - S390_lowcore.thread_info + THREAD_SIZE); + + save_context_stack(trace, &trace->skip, new_sp, + S390_lowcore.thread_info, + S390_lowcore.thread_info + THREAD_SIZE); return; } diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c index 3a77c22cda78..1c90c7e99978 100644 --- a/arch/s390/kernel/sys_s390.c +++ b/arch/s390/kernel/sys_s390.c @@ -17,7 +17,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index 711dae8da7ad..9c2872a7cca7 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -21,6 +21,7 @@ #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/time.h> +#include <linux/sysdev.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/smp.h> diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 49dec830373a..cbfe73034c30 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -22,11 +22,11 @@ #include <linux/timer.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/module.h> +#include <linux/kdebug.h> #include <linux/kallsyms.h> #include <linux/reboot.h> #include <linux/kprobes.h> @@ -40,7 +40,6 @@ #include <asm/s390_ext.h> #include <asm/lowcore.h> #include <asm/debug.h> -#include <asm/kdebug.h> /* Called from entry.S only */ extern void handle_per_exception(struct pt_regs *regs); @@ -70,20 +69,6 @@ static int kstack_depth_to_print = 12; static int kstack_depth_to_print = 20; #endif /* CONFIG_64BIT */ -ATOMIC_NOTIFIER_HEAD(s390die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&s390die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&s390die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); - /* * For show_trace we have tree different stack to consider: * - the panic stack which is used if the kernel stack has overflown diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 91f705adc3f9..8b924b359774 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -20,6 +20,7 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> +#include <linux/kdebug.h> #include <linux/smp_lock.h> #include <linux/init.h> #include <linux/console.h> @@ -30,7 +31,6 @@ #include <asm/system.h> #include <asm/pgtable.h> -#include <asm/kdebug.h> #include <asm/s390_ext.h> #ifndef CONFIG_64BIT diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index d74eb120a9c6..038179ecf6a9 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -52,6 +52,9 @@ config GENERIC_IOMAP config GENERIC_TIME def_bool n +config GENERIC_CLOCKEVENTS + def_bool n + config SYS_SUPPORTS_APM_EMULATION bool @@ -436,11 +439,11 @@ endmenu menu "Timer and clock configuration" -if !GENERIC_TIME - config SH_TMU bool "TMU timer support" depends on CPU_SH3 || CPU_SH4 + select GENERIC_TIME + select GENERIC_CLOCKEVENTS default y help This enables the use of the TMU as the system timer. @@ -459,8 +462,6 @@ config SH_MTU2 help This enables the use of the MTU2 as the system timer. -endif - config SH_TIMER_IRQ int default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 @@ -468,24 +469,6 @@ config SH_TIMER_IRQ default "140" if CPU_SUBTYPE_SH7206 default "16" -config NO_IDLE_HZ - bool "Dynamic tick timer" - help - Select this option if you want to disable continuous timer ticks - and have them programmed to occur as required. This option saves - power as the system can remain in idle state for longer. - - By default dynamic tick is disabled during the boot, and can be - manually enabled with: - - echo 1 > /sys/devices/system/timer/timer0/dyn_tick - - Alternatively, if you want dynamic tick automatically enabled - during boot, pass "dyntick=enable" via the kernel command string. - - Please note that dynamic tick may affect the accuracy of - timekeeping on some platforms depending on the implementation. - config SH_PCLK_FREQ int "Peripheral clock frequency (in Hz)" default "27000000" if CPU_SUBTYPE_SH73180 || CPU_SUBTYPE_SH7343 @@ -509,6 +492,8 @@ config SH_CLK_MD help MD2 - MD0 pin setting. +source "kernel/time/Kconfig" + endmenu menu "CPU Frequency scaling" diff --git a/arch/sh/boards/landisk/setup.c b/arch/sh/boards/landisk/setup.c index a83a5d9587bb..4058b4f50d44 100644 --- a/arch/sh/boards/landisk/setup.c +++ b/arch/sh/boards/landisk/setup.c @@ -93,6 +93,7 @@ static void __init landisk_setup(char **cmdline_p) */ struct sh_machine_vector mv_landisk __initmv = { .mv_name = "LANDISK", + .mv_nr_irqs = 72, .mv_setup = landisk_setup, .mv_init_irq = init_landisk_IRQ, }; diff --git a/arch/sh/boards/se/7751/setup.c b/arch/sh/boards/se/7751/setup.c index 770defed9c4a..52c7bfa57c2c 100644 --- a/arch/sh/boards/se/7751/setup.c +++ b/arch/sh/boards/se/7751/setup.c @@ -1,5 +1,5 @@ /* - * linux/arch/sh/kernel/setup_7751se.c + * linux/arch/sh/boards/se/7751/setup.c * * Copyright (C) 2000 Kazumoto Kojima * diff --git a/arch/sh/drivers/Makefile b/arch/sh/drivers/Makefile index 6cb92676c5fc..e13f06bebd92 100644 --- a/arch/sh/drivers/Makefile +++ b/arch/sh/drivers/Makefile @@ -2,8 +2,9 @@ # Makefile for the Linux SuperH-specific device drivers. # +obj-y += dma/ + obj-$(CONFIG_PCI) += pci/ -obj-$(CONFIG_SH_DMA) += dma/ obj-$(CONFIG_SUPERHYWAY) += superhyway/ obj-$(CONFIG_PUSH_SWITCH) += push-switch.o obj-$(CONFIG_HEARTBEAT) += heartbeat.o diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig index defc13c37d48..99935f9daf4b 100644 --- a/arch/sh/drivers/dma/Kconfig +++ b/arch/sh/drivers/dma/Kconfig @@ -1,12 +1,12 @@ menu "DMA support" -config SH_DMA - bool "DMA controller (DMAC) support" - help - Selecting this option will provide same API as PC's Direct Memory - Access Controller(8237A) for SuperH DMAC. +config SH_DMA_API + bool - If unsure, say N. +config SH_DMA + bool "SuperH on-chip DMA controller (DMAC) support" + select SH_DMA_API + default n config NR_ONCHIP_DMA_CHANNELS depends on SH_DMA @@ -53,4 +53,12 @@ config DMA_PAGE_OPS_CHANNEL in case channel 3 is unavailable. On the SH4, channels 1,2, and 3 are dual-address capable. +config SH_DMABRG + bool "SH7760 DMABRG support" + depends on CPU_SUBTYPE_SH7760 + help + The DMABRG does data transfers from main memory to Audio/USB units + of the SH7760. + Say Y if you want to use Audio/USB DMA on your SH7760 board. + endmenu diff --git a/arch/sh/drivers/dma/Makefile b/arch/sh/drivers/dma/Makefile index db1295d32268..1ac812d24488 100644 --- a/arch/sh/drivers/dma/Makefile +++ b/arch/sh/drivers/dma/Makefile @@ -2,8 +2,8 @@ # Makefile for the SuperH DMA specific kernel interface routines under Linux. # -obj-y += dma-api.o +obj-$(CONFIG_SH_DMA_API) += dma-api.o dma-sysfs.o obj-$(CONFIG_ISA_DMA_API) += dma-isa.o -obj-$(CONFIG_SYSFS) += dma-sysfs.o obj-$(CONFIG_SH_DMA) += dma-sh.o obj-$(CONFIG_SH_DREAMCAST) += dma-pvr2.o dma-g2.o +obj-$(CONFIG_SH_DMABRG) += dmabrg.o diff --git a/arch/sh/drivers/dma/dmabrg.c b/arch/sh/drivers/dma/dmabrg.c new file mode 100644 index 000000000000..9d0a29370f21 --- /dev/null +++ b/arch/sh/drivers/dma/dmabrg.c @@ -0,0 +1,196 @@ +/* + * SH7760 DMABRG IRQ handling + * + * (c) 2007 MSC Vertriebsges.m.b.H, Manuel Lauss <mlau@msc-ge.com> + * licensed under the GPLv2. + * + */ + +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <asm/dma.h> +#include <asm/dmabrg.h> +#include <asm/io.h> + +/* + * The DMABRG is a special DMA unit within the SH7760. It does transfers + * from USB-SRAM/Audio units to main memory (and also the LCDC; but that + * part is sensibly placed in the LCDC registers and requires no irqs) + * It has 3 IRQ lines which trigger 10 events, and works independently + * from the traditional SH DMAC (although it blocks usage of DMAC 0) + * + * BRGIRQID | component | dir | meaning | source + * ----------------------------------------------------- + * 0 | USB-DMA | ... | xfer done | DMABRGI1 + * 1 | USB-UAE | ... | USB addr err.| DMABRGI0 + * 2 | HAC0/SSI0 | play| all done | DMABRGI1 + * 3 | HAC0/SSI0 | play| half done | DMABRGI2 + * 4 | HAC0/SSI0 | rec | all done | DMABRGI1 + * 5 | HAC0/SSI0 | rec | half done | DMABRGI2 + * 6 | HAC1/SSI1 | play| all done | DMABRGI1 + * 7 | HAC1/SSI1 | play| half done | DMABRGI2 + * 8 | HAC1/SSI1 | rec | all done | DMABRGI1 + * 9 | HAC1/SSI1 | rec | half done | DMABRGI2 + * + * all can be enabled/disabled in the DMABRGCR register, + * as well as checked if they occured. + * + * DMABRGI0 services USB DMA Address errors, but it still must be + * enabled/acked in the DMABRGCR register. USB-DMA complete indicator + * is grouped together with the audio buffer end indicators, too bad... + * + * DMABRGCR: Bits 31-24: audio-dma ENABLE flags, + * Bits 23-16: audio-dma STATUS flags, + * Bits 9-8: USB error/xfer ENABLE, + * Bits 1-0: USB error/xfer STATUS. + * Ack an IRQ by writing 0 to the STATUS flag. + * Mask IRQ by writing 0 to ENABLE flag. + * + * Usage is almost like with any other IRQ: + * dmabrg_request_irq(BRGIRQID, handler, data) + * dmabrg_free_irq(BRGIRQID) + * + * handler prototype: void brgirqhandler(void *data) + */ + +#define DMARSRA 0xfe090000 +#define DMAOR 0xffa00040 +#define DMACHCR0 0xffa0000c +#define DMABRGCR 0xfe3c0000 + +#define DMAOR_BRG 0x0000c000 +#define DMAOR_DMEN 0x00000001 + +#define DMABRGI0 68 +#define DMABRGI1 69 +#define DMABRGI2 70 + +struct dmabrg_handler { + void (*handler)(void *); + void *data; +} *dmabrg_handlers; + +static inline void dmabrg_call_handler(int i) +{ + dmabrg_handlers[i].handler(dmabrg_handlers[i].data); +} + +/* + * main DMABRG irq handler. It acks irqs and then + * handles every set and unmasked bit sequentially. + * No locking and no validity checks; it should be + * as fast as possible (audio!) + */ +static irqreturn_t dmabrg_irq(int irq, void *data) +{ + unsigned long dcr; + unsigned int i; + + dcr = ctrl_inl(DMABRGCR); + ctrl_outl(dcr & ~0x00ff0003, DMABRGCR); /* ack all */ + dcr &= dcr >> 8; /* ignore masked */ + + /* USB stuff, get it out of the way first */ + if (dcr & 1) + dmabrg_call_handler(DMABRGIRQ_USBDMA); + if (dcr & 2) + dmabrg_call_handler(DMABRGIRQ_USBDMAERR); + + /* Audio */ + dcr >>= 16; + while (dcr) { + i = __ffs(dcr); + dcr &= dcr - 1; + dmabrg_call_handler(i + DMABRGIRQ_A0TXF); + } + return IRQ_HANDLED; +} + +static void dmabrg_disable_irq(unsigned int dmairq) +{ + unsigned long dcr; + dcr = ctrl_inl(DMABRGCR); + dcr &= ~(1 << ((dmairq > 1) ? dmairq + 22 : dmairq + 8)); + ctrl_outl(dcr, DMABRGCR); +} + +static void dmabrg_enable_irq(unsigned int dmairq) +{ + unsigned long dcr; + dcr = ctrl_inl(DMABRGCR); + dcr |= (1 << ((dmairq > 1) ? dmairq + 22 : dmairq + 8)); + ctrl_outl(dcr, DMABRGCR); +} + +int dmabrg_request_irq(unsigned int dmairq, void(*handler)(void*), + void *data) +{ + if ((dmairq > 9) || !handler) + return -ENOENT; + if (dmabrg_handlers[dmairq].handler) + return -EBUSY; + + dmabrg_handlers[dmairq].handler = handler; + dmabrg_handlers[dmairq].data = data; + + dmabrg_enable_irq(dmairq); + return 0; +} +EXPORT_SYMBOL_GPL(dmabrg_request_irq); + +void dmabrg_free_irq(unsigned int dmairq) +{ + if (likely(dmairq < 10)) { + dmabrg_disable_irq(dmairq); + dmabrg_handlers[dmairq].handler = NULL; + dmabrg_handlers[dmairq].data = NULL; + } +} +EXPORT_SYMBOL_GPL(dmabrg_free_irq); + +static int __init dmabrg_init(void) +{ + unsigned long or; + int ret; + + dmabrg_handlers = kzalloc(10 * sizeof(struct dmabrg_handler), + GFP_KERNEL); + if (!dmabrg_handlers) + return -ENOMEM; + +#ifdef CONFIG_SH_DMA + /* request DMAC channel 0 before anyone else can get it */ + ret = request_dma(0, "DMAC 0 (DMABRG)"); + if (ret < 0) + printk(KERN_INFO "DMABRG: DMAC ch0 not reserved!\n"); +#endif + + ctrl_outl(0, DMABRGCR); + ctrl_outl(0, DMACHCR0); + ctrl_outl(0x94000000, DMARSRA); /* enable DMABRG in DMAC 0 */ + + /* enable DMABRG mode, enable the DMAC */ + or = ctrl_inl(DMAOR); + ctrl_outl(or | DMAOR_BRG | DMAOR_DMEN, DMAOR); + + ret = request_irq(DMABRGI0, dmabrg_irq, IRQF_DISABLED, + "DMABRG USB address error", NULL); + if (ret) + goto out0; + + ret = request_irq(DMABRGI1, dmabrg_irq, IRQF_DISABLED, + "DMABRG Transfer End", NULL); + if (ret) + goto out1; + + ret = request_irq(DMABRGI2, dmabrg_irq, IRQF_DISABLED, + "DMABRG Transfer Half", NULL); + if (ret == 0) + return ret; + + free_irq(DMABRGI1, 0); +out1: free_irq(DMABRGI0, 0); +out0: kfree(dmabrg_handlers); + return ret; +} +subsys_initcall(dmabrg_init); diff --git a/arch/sh/drivers/pci/pci-st40.c b/arch/sh/drivers/pci/pci-st40.c index efecb3d5995c..d67656a44b15 100644 --- a/arch/sh/drivers/pci/pci-st40.c +++ b/arch/sh/drivers/pci/pci-st40.c @@ -9,7 +9,6 @@ #include <linux/kernel.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/errno.h> #include <linux/pci.h> diff --git a/arch/sh/kernel/cpu/sh2a/Makefile b/arch/sh/kernel/cpu/sh2a/Makefile index 350972ae9410..965fa2572b23 100644 --- a/arch/sh/kernel/cpu/sh2a/Makefile +++ b/arch/sh/kernel/cpu/sh2a/Makefile @@ -2,9 +2,8 @@ # Makefile for the Linux/SuperH SH-2A backends. # -obj-y := common.o probe.o +obj-y := common.o probe.o opcode_helper.o -common-y += $(addprefix ../sh2/, ex.o) -common-y += $(addprefix ../sh2/, entry.o) +common-y += $(addprefix ../sh2/, ex.o entry.o) obj-$(CONFIG_CPU_SUBTYPE_SH7206) += setup-sh7206.o clock-sh7206.o diff --git a/arch/sh/kernel/cpu/sh2a/opcode_helper.c b/arch/sh/kernel/cpu/sh2a/opcode_helper.c new file mode 100644 index 000000000000..9704b7926d8b --- /dev/null +++ b/arch/sh/kernel/cpu/sh2a/opcode_helper.c @@ -0,0 +1,55 @@ +/* + * arch/sh/kernel/cpu/sh2a/opcode_helper.c + * + * Helper for the SH-2A 32-bit opcodes. + * + * Copyright (C) 2007 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/kernel.h> +#include <asm/system.h> + +/* + * Instructions on SH are generally fixed at 16-bits, however, SH-2A + * introduces some 32-bit instructions. Since there are no real + * constraints on their use (and they can be mixed and matched), we need + * to check the instruction encoding to work out if it's a true 32-bit + * instruction or not. + * + * Presently, 32-bit opcodes have only slight variations in what the + * actual encoding looks like in the first-half of the instruction, which + * makes it fairly straightforward to differentiate from the 16-bit ones. + * + * First 16-bits of encoding Used by + * + * 0011nnnnmmmm0001 mov.b, mov.w, mov.l, fmov.d, + * fmov.s, movu.b, movu.w + * + * 0011nnnn0iii1001 bclr.b, bld.b, bset.b, bst.b, band.b, + * bandnot.b, bldnot.b, bor.b, bornot.b, + * bxor.b + * + * 0000nnnniiii0000 movi20 + * 0000nnnniiii0001 movi20s + */ +unsigned int instruction_size(unsigned int insn) +{ + /* Look for the common cases */ + switch ((insn & 0xf00f)) { + case 0x0000: /* movi20 */ + case 0x0001: /* movi20s */ + case 0x3001: /* 32-bit mov/fmov/movu variants */ + return 4; + } + + /* And the special cases.. */ + switch ((insn & 0xf08f)) { + case 0x3009: /* 32-bit b*.b bit operations */ + return 4; + } + + return 2; +} diff --git a/arch/sh/kernel/cpu/sh2a/probe.c b/arch/sh/kernel/cpu/sh2a/probe.c index 426f6db01fc6..f455c3509789 100644 --- a/arch/sh/kernel/cpu/sh2a/probe.c +++ b/arch/sh/kernel/cpu/sh2a/probe.c @@ -18,6 +18,7 @@ int __init detect_cpu_and_cache_system(void) { /* Just SH7206 for now .. */ current_cpu_data.type = CPU_SH7206; + current_cpu_data.flags |= CPU_HAS_OP32; current_cpu_data.dcache.ways = 4; current_cpu_data.dcache.way_incr = (1 << 11); diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index f3e827f29a46..832c0b4a1e6c 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -1,5 +1,5 @@ /* - * arch/sh/kernel/entry.S + * arch/sh/kernel/cpu/sh3/entry.S * * Copyright (C) 1999, 2000, 2002 Niibe Yutaka * Copyright (C) 2003 - 2006 Paul Mundt diff --git a/arch/sh/kernel/cpu/sh3/ex.S b/arch/sh/kernel/cpu/sh3/ex.S index ba3082d640b5..2b2a9e02fb75 100644 --- a/arch/sh/kernel/cpu/sh3/ex.S +++ b/arch/sh/kernel/cpu/sh3/ex.S @@ -1,7 +1,7 @@ /* * arch/sh/kernel/cpu/sh3/ex.S * - * The SH-3 exception vector table. + * The SH-3 and SH-4 exception vector table. * Copyright (C) 1999, 2000, 2002 Niibe Yutaka * Copyright (C) 2003 - 2006 Paul Mundt @@ -9,7 +9,6 @@ * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. - * */ #include <linux/linkage.h> @@ -36,8 +35,12 @@ ENTRY(exception_handling_table) .long exception_error ! address error load .long exception_error ! address error store /* 100 */ #endif - .long exception_error ! fpu_exception /* 120 */ - .long exception_error /* 140 */ +#if defined(CONFIG_SH_FPU) + .long do_fpu_error /* 120 */ +#else + .long exception_error /* 120 */ +#endif + .long exception_error /* 140 */ .long system_call ! Unconditional Trap /* 160 */ .long exception_error ! reserved_instruction (filled by trap_init) /* 180 */ .long exception_error ! illegal_slot_instruction (filled by trap_init) /*1A0*/ @@ -55,4 +58,4 @@ ENTRY(user_break_point_trap) * away offsets can be manually inserted in to their appropriate * location via set_exception_table_{evt,vec}(). */ - .balign 4096,0,4096 + .balign 4096,0,4096 diff --git a/arch/sh/kernel/cpu/sh4/Makefile b/arch/sh/kernel/cpu/sh4/Makefile index 19ca68c71884..8add10bd8268 100644 --- a/arch/sh/kernel/cpu/sh4/Makefile +++ b/arch/sh/kernel/cpu/sh4/Makefile @@ -2,10 +2,10 @@ # Makefile for the Linux/SuperH SH-4 backends. # -obj-y := ex.o probe.o common.o -common-y += $(addprefix ../sh3/, entry.o) +obj-y := probe.o common.o +common-y += $(addprefix ../sh3/, entry.o ex.o) -obj-$(CONFIG_SH_FPU) += fpu.o +obj-$(CONFIG_SH_FPU) += fpu.o obj-$(CONFIG_SH_STORE_QUEUES) += sq.o # CPU subtype setup diff --git a/arch/sh/kernel/cpu/sh4/ex.S b/arch/sh/kernel/cpu/sh4/ex.S deleted file mode 100644 index ac8ab57413cc..000000000000 --- a/arch/sh/kernel/cpu/sh4/ex.S +++ /dev/null @@ -1,62 +0,0 @@ -/* - * arch/sh/kernel/cpu/sh4/ex.S - * - * The SH-4 exception vector table. - - * Copyright (C) 1999, 2000, 2002 Niibe Yutaka - * Copyright (C) 2003 - 2006 Paul Mundt - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - */ -#include <linux/linkage.h> - - .align 2 - .data - -ENTRY(exception_handling_table) - .long exception_error /* 000 */ - .long exception_error -#if defined(CONFIG_MMU) - .long tlb_miss_load /* 040 */ - .long tlb_miss_store - .long initial_page_write - .long tlb_protection_violation_load - .long tlb_protection_violation_store - .long address_error_load - .long address_error_store /* 100 */ -#else - .long exception_error ! tlb miss load /* 040 */ - .long exception_error ! tlb miss store - .long exception_error ! initial page write - .long exception_error ! tlb prot violation load - .long exception_error ! tlb prot violation store - .long exception_error ! address error load - .long exception_error ! address error store /* 100 */ -#endif -#if defined(CONFIG_SH_FPU) - .long do_fpu_error /* 120 */ -#else - .long exception_error /* 120 */ -#endif - .long exception_error /* 140 */ - .long system_call ! Unconditional Trap /* 160 */ - .long exception_error ! reserved_instruction (filled by trap_init) /* 180 */ - .long exception_error ! illegal_slot_instruction (filled by trap_init) /*1A0*/ -ENTRY(nmi_slot) -#if defined (CONFIG_KGDB_NMI) - .long debug_enter /* 1C0 */ ! Allow trap to debugger -#else - .long exception_none /* 1C0 */ ! Not implemented yet -#endif -ENTRY(user_break_point_trap) - .long break_point_trap /* 1E0 */ - - /* - * Pad the remainder of the table out, exceptions residing in far - * away offsets can be manually inserted in to their appropriate - * location via set_exception_table_{evt,vec}(). - */ - .balign 4096,0,4096 diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c index 7624677f6628..d61dd599169f 100644 --- a/arch/sh/kernel/cpu/sh4/fpu.c +++ b/arch/sh/kernel/cpu/sh4/fpu.c @@ -16,6 +16,7 @@ #include <linux/sched.h> #include <linux/signal.h> #include <asm/processor.h> +#include <asm/system.h> #include <asm/io.h> /* The PR (precision) bit in the FP Status Register must be clear when @@ -265,7 +266,7 @@ ieee_fpe_handler (struct pt_regs *regs) nextpc = regs->pr; finsn = *(unsigned short *) (regs->pc + 2); } else { - nextpc = regs->pc + 2; + nextpc = regs->pc + instruction_size(insn); finsn = insn; } diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh73180.c b/arch/sh/kernel/cpu/sh4a/clock-sh73180.c index 2fa5cb2ae68d..6d5ba373a75e 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh73180.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh73180.c @@ -1,5 +1,5 @@ /* - * arch/sh/kernel/cpu/sh4/clock-sh73180.c + * arch/sh/kernel/cpu/sh4a/clock-sh73180.c * * SH73180 support for the clock framework * diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c index 1707a213f0cf..7adc4f16e95a 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c @@ -1,5 +1,5 @@ /* - * arch/sh/kernel/cpu/sh4/clock-sh7343.c + * arch/sh/kernel/cpu/sh4a/clock-sh7343.c * * SH7343/SH7722 support for the clock framework * diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7770.c b/arch/sh/kernel/cpu/sh4a/clock-sh7770.c index c8694bac6477..8e236062c721 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7770.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7770.c @@ -1,5 +1,5 @@ /* - * arch/sh/kernel/cpu/sh4/clock-sh7770.c + * arch/sh/kernel/cpu/sh4a/clock-sh7770.c * * SH7770 support for the clock framework * diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7780.c b/arch/sh/kernel/cpu/sh4a/clock-sh7780.c index 9e6a216750c8..01f3da619d3d 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7780.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7780.c @@ -1,5 +1,5 @@ /* - * arch/sh/kernel/cpu/sh4/clock-sh7780.c + * arch/sh/kernel/cpu/sh4a/clock-sh7780.c * * SH7780 support for the clock framework * diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c index 9048c0326d87..9833493d8867 100644 --- a/arch/sh/kernel/early_printk.c +++ b/arch/sh/kernel/early_printk.c @@ -192,20 +192,14 @@ int __init setup_early_printk(char *buf) } #endif - if (likely(early_console)) + if (likely(early_console)) { + if (keep_early) + early_console->flags &= ~CON_BOOT; + else + early_console->flags |= CON_BOOT; register_console(early_console); + } return 0; } early_param("earlyprintk", setup_early_printk); - -void __init disable_early_printk(void) -{ - if (!early_console_initialized || !early_console) - return; - if (!keep_early) { - printk("disabling early console\n"); - unregister_console(early_console); - } else - printk("keeping early console\n"); -} diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c index 329b3f3051de..6b4f5748d0be 100644 --- a/arch/sh/kernel/process.c +++ b/arch/sh/kernel/process.c @@ -15,9 +15,12 @@ #include <linux/pm.h> #include <linux/kallsyms.h> #include <linux/kexec.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> +#include <linux/tick.h> #include <asm/uaccess.h> #include <asm/mmu_context.h> +#include <asm/pgalloc.h> +#include <asm/system.h> #include <asm/ubc.h> static int hlt_counter; @@ -58,12 +61,15 @@ void cpu_idle(void) if (!idle) idle = default_idle; + tick_nohz_stop_sched_tick(); while (!need_resched()) idle(); + tick_nohz_restart_sched_tick(); preempt_enable_no_resched(); schedule(); preempt_disable(); + check_pgt_cache(); } } @@ -495,9 +501,9 @@ asmlinkage void debug_trap_handler(unsigned long r4, unsigned long r5, struct pt_regs *regs = RELOC_HIDE(&__regs, 0); /* Rewind */ - regs->pc -= 2; + regs->pc -= instruction_size(ctrl_inw(regs->pc - 4)); - if (notify_die(DIE_TRAP, regs, regs->tra & 0xff, + if (notify_die(DIE_TRAP, "debug trap", regs, 0, regs->tra & 0xff, SIGTRAP) == NOTIFY_STOP) return; @@ -514,9 +520,9 @@ asmlinkage void bug_trap_handler(unsigned long r4, unsigned long r5, struct pt_regs *regs = RELOC_HIDE(&__regs, 0); /* Rewind */ - regs->pc -= 2; + regs->pc -= instruction_size(ctrl_inw(regs->pc - 4)); - if (notify_die(DIE_TRAP, regs, TRAPA_BUG_OPCODE & 0xff, + if (notify_die(DIE_TRAP, "bug trap", regs, 0, TRAPA_BUG_OPCODE & 0xff, SIGTRAP) == NOTIFY_STOP) return; diff --git a/arch/sh/kernel/ptrace.c b/arch/sh/kernel/ptrace.c index 855f7246cfff..3fb5fc0b550d 100644 --- a/arch/sh/kernel/ptrace.c +++ b/arch/sh/kernel/ptrace.c @@ -12,7 +12,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 477d2a854fc4..c27729135935 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -431,7 +431,7 @@ const char *get_cpu_subtype(struct sh_cpuinfo *c) /* Symbolic CPU flags, keep in sync with asm/cpu-features.h */ static const char *cpu_flags[] = { "none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr", - "ptea", "llsc", "l2", NULL + "ptea", "llsc", "l2", "op32", NULL }; static void show_cpuflags(struct seq_file *m, struct sh_cpuinfo *c) diff --git a/arch/sh/kernel/sh_ksyms.c b/arch/sh/kernel/sh_ksyms.c index 17f0b50c5678..c1cfcb9f047c 100644 --- a/arch/sh/kernel/sh_ksyms.c +++ b/arch/sh/kernel/sh_ksyms.c @@ -5,7 +5,6 @@ #include <linux/sched.h> #include <linux/in6.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <linux/pci.h> #include <linux/irq.h> @@ -59,8 +58,6 @@ EXPORT_SYMBOL(__udelay); EXPORT_SYMBOL(__ndelay); EXPORT_SYMBOL(__const_udelay); -EXPORT_SYMBOL(__div64_32); - #define DECLARE_EXPORT(name) extern void name(void);EXPORT_SYMBOL(name) /* These symbols are generated by the compiler itself */ diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c index 9f39ef1f73da..b32c35a7c0a3 100644 --- a/arch/sh/kernel/signal.c +++ b/arch/sh/kernel/signal.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> @@ -24,7 +23,7 @@ #include <linux/personality.h> #include <linux/binfmts.h> #include <linux/freezer.h> - +#include <asm/system.h> #include <asm/ucontext.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -501,7 +500,9 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, } /* fallthrough */ case -ERESTARTNOINTR: - regs->pc -= 2; + regs->pc -= instruction_size( + ctrl_inw(regs->pc - 4)); + break; } } else { /* gUSA handling */ @@ -517,7 +518,8 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, regs->regs[15] = regs->regs[1]; if (regs->pc < regs->regs[0]) /* Go to rewind point #1 */ - regs->pc = regs->regs[0] + offset - 2; + regs->pc = regs->regs[0] + offset - + instruction_size(ctrl_inw(regs->pc-4)); } #ifdef CONFIG_PREEMPT local_irq_restore(flags); @@ -601,9 +603,9 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0) regs->regs[0] == -ERESTARTSYS || regs->regs[0] == -ERESTARTNOINTR) { regs->regs[0] = save_r0; - regs->pc -= 2; + regs->pc -= instruction_size(ctrl_inw(regs->pc - 4)); } else if (regs->regs[0] == -ERESTART_RESTARTBLOCK) { - regs->pc -= 2; + regs->pc -= instruction_size(ctrl_inw(regs->pc - 4)); regs->regs[3] = __NR_restart_syscall; } } diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c index 0d5268afe80f..d41e561be20e 100644 --- a/arch/sh/kernel/stacktrace.c +++ b/arch/sh/kernel/stacktrace.c @@ -17,16 +17,9 @@ /* * Save stack-backtrace addresses into a stack_trace buffer. */ -void save_stack_trace(struct stack_trace *trace, struct task_struct *task) +void save_stack_trace(struct stack_trace *trace) { - unsigned long *sp; - - if (!task) - task = current; - if (task == current) - sp = (unsigned long *)current_stack_pointer; - else - sp = (unsigned long *)task->thread.sp; + unsigned long *sp = (unsigned long *)current_stack_pointer; while (!kstack_end(sp)) { unsigned long addr = *sp++; diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c index e18f183e1035..76b1bc7f7029 100644 --- a/arch/sh/kernel/sys_sh.c +++ b/arch/sh/kernel/sys_sh.c @@ -12,7 +12,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/sh/kernel/syscalls.S b/arch/sh/kernel/syscalls.S index 38fc8cd3ea3a..4357d1a6358f 100644 --- a/arch/sh/kernel/syscalls.S +++ b/arch/sh/kernel/syscalls.S @@ -354,3 +354,4 @@ ENTRY(sys_call_table) .long sys_move_pages .long sys_getcpu .long sys_epoll_pwait + .long sys_utimensat /* 320 */ diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c index d47e775962e9..a3a67d151e52 100644 --- a/arch/sh/kernel/time.c +++ b/arch/sh/kernel/time.c @@ -3,7 +3,7 @@ * * Copyright (C) 1999 Tetsuya Okada & Niibe Yutaka * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> - * Copyright (C) 2002 - 2006 Paul Mundt + * Copyright (C) 2002 - 2007 Paul Mundt * Copyright (C) 2002 M. R. Brown <mrbrown@linux-sh.org> * * Some code taken from i386 version. @@ -15,6 +15,7 @@ #include <linux/profile.h> #include <linux/timex.h> #include <linux/sched.h> +#include <linux/clockchips.h> #include <asm/clock.h> #include <asm/rtc.h> #include <asm/timer.h> @@ -38,6 +39,14 @@ static int null_rtc_set_time(const time_t secs) return 0; } +/* + * Null high precision timer functions for systems lacking one. + */ +static cycle_t null_hpt_read(void) +{ + return 0; +} + void (*rtc_sh_get_time)(struct timespec *) = null_rtc_get_time; int (*rtc_sh_set_time)(const time_t) = null_rtc_set_time; @@ -101,6 +110,7 @@ int do_settimeofday(struct timespec *tv) EXPORT_SYMBOL(do_settimeofday); #endif /* !CONFIG_GENERIC_TIME */ +#ifndef CONFIG_GENERIC_CLOCKEVENTS /* last time the RTC clock got updated */ static long last_rtc_update; @@ -138,6 +148,7 @@ void handle_timer_tick(void) last_rtc_update = xtime.tv_sec - 600; } } +#endif /* !CONFIG_GENERIC_CLOCKEVENTS */ #ifdef CONFIG_PM int timer_suspend(struct sys_device *dev, pm_message_t state) @@ -168,136 +179,58 @@ static struct sysdev_class timer_sysclass = { .resume = timer_resume, }; -#ifdef CONFIG_NO_IDLE_HZ -static int timer_dyn_tick_enable(void) +static int __init timer_init_sysfs(void) { - struct dyn_tick_timer *dyn_tick = sys_timer->dyn_tick; - unsigned long flags; - int ret = -ENODEV; - - if (dyn_tick) { - spin_lock_irqsave(&dyn_tick->lock, flags); - ret = 0; - if (!(dyn_tick->state & DYN_TICK_ENABLED)) { - ret = dyn_tick->enable(); - - if (ret == 0) - dyn_tick->state |= DYN_TICK_ENABLED; - } - spin_unlock_irqrestore(&dyn_tick->lock, flags); - } + int ret = sysdev_class_register(&timer_sysclass); + if (ret != 0) + return ret; - return ret; + sys_timer->dev.cls = &timer_sysclass; + return sysdev_register(&sys_timer->dev); } +device_initcall(timer_init_sysfs); -static int timer_dyn_tick_disable(void) -{ - struct dyn_tick_timer *dyn_tick = sys_timer->dyn_tick; - unsigned long flags; - int ret = -ENODEV; - - if (dyn_tick) { - spin_lock_irqsave(&dyn_tick->lock, flags); - ret = 0; - if (dyn_tick->state & DYN_TICK_ENABLED) { - ret = dyn_tick->disable(); - - if (ret == 0) - dyn_tick->state &= ~DYN_TICK_ENABLED; - } - spin_unlock_irqrestore(&dyn_tick->lock, flags); - } - - return ret; -} +void (*board_time_init)(void); /* - * Reprogram the system timer for at least the calculated time interval. - * This function should be called from the idle thread with IRQs disabled, - * immediately before sleeping. + * Shamelessly based on the MIPS and Sparc64 work. */ -void timer_dyn_reprogram(void) -{ - struct dyn_tick_timer *dyn_tick = sys_timer->dyn_tick; - unsigned long next, seq, flags; - - if (!dyn_tick) - return; - - spin_lock_irqsave(&dyn_tick->lock, flags); - if (dyn_tick->state & DYN_TICK_ENABLED) { - next = next_timer_interrupt(); - do { - seq = read_seqbegin(&xtime_lock); - dyn_tick->reprogram(next - jiffies); - } while (read_seqretry(&xtime_lock, seq)); - } - spin_unlock_irqrestore(&dyn_tick->lock, flags); -} +static unsigned long timer_ticks_per_nsec_quotient __read_mostly; +unsigned long sh_hpt_frequency = 0; + +#define NSEC_PER_CYC_SHIFT 10 + +struct clocksource clocksource_sh = { + .name = "SuperH", + .rating = 200, + .mask = CLOCKSOURCE_MASK(32), + .read = null_hpt_read, + .shift = 16, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; -static ssize_t timer_show_dyn_tick(struct sys_device *dev, char *buf) +static void __init init_sh_clocksource(void) { - return sprintf(buf, "%i\n", - (sys_timer->dyn_tick->state & DYN_TICK_ENABLED) >> 1); -} + if (!sh_hpt_frequency || clocksource_sh.read == null_hpt_read) + return; -static ssize_t timer_set_dyn_tick(struct sys_device *dev, const char *buf, - size_t count) -{ - unsigned int enable = simple_strtoul(buf, NULL, 2); + clocksource_sh.mult = clocksource_hz2mult(sh_hpt_frequency, + clocksource_sh.shift); - if (enable) - timer_dyn_tick_enable(); - else - timer_dyn_tick_disable(); + timer_ticks_per_nsec_quotient = + clocksource_hz2mult(sh_hpt_frequency, NSEC_PER_CYC_SHIFT); - return count; + clocksource_register(&clocksource_sh); } -static SYSDEV_ATTR(dyn_tick, 0644, timer_show_dyn_tick, timer_set_dyn_tick); -/* - * dyntick=enable|disable - */ -static char dyntick_str[4] __initdata = ""; - -static int __init dyntick_setup(char *str) +#ifdef CONFIG_GENERIC_TIME +unsigned long long sched_clock(void) { - if (str) - strlcpy(dyntick_str, str, sizeof(dyntick_str)); - return 1; + unsigned long long ticks = clocksource_sh.read(); + return (ticks * timer_ticks_per_nsec_quotient) >> NSEC_PER_CYC_SHIFT; } - -__setup("dyntick=", dyntick_setup); -#endif - -static int __init timer_init_sysfs(void) -{ - int ret = sysdev_class_register(&timer_sysclass); - if (ret != 0) - return ret; - - sys_timer->dev.cls = &timer_sysclass; - ret = sysdev_register(&sys_timer->dev); - -#ifdef CONFIG_NO_IDLE_HZ - if (ret == 0 && sys_timer->dyn_tick) { - ret = sysdev_create_file(&sys_timer->dev, &attr_dyn_tick); - - /* - * Turn on dynamic tick after calibrate delay - * for correct bogomips - */ - if (ret == 0 && dyntick_str[0] == 'e') - ret = timer_dyn_tick_enable(); - } #endif - return ret; -} -device_initcall(timer_init_sysfs); - -void (*board_time_init)(void); - void __init time_init(void) { if (board_time_init) @@ -316,10 +249,15 @@ void __init time_init(void) sys_timer = get_sys_timer(); printk(KERN_INFO "Using %s for system timer\n", sys_timer->name); -#ifdef CONFIG_NO_IDLE_HZ - if (sys_timer->dyn_tick) - spin_lock_init(&sys_timer->dyn_tick->lock); -#endif + if (sys_timer->ops->read) + clocksource_sh.read = sys_timer->ops->read; + + init_sh_clocksource(); + + if (sh_hpt_frequency) + printk("Using %lu.%03lu MHz high precision timer.\n", + ((sh_hpt_frequency + 500) / 1000) / 1000, + ((sh_hpt_frequency + 500) / 1000) % 1000); #if defined(CONFIG_SH_KGDB) /* diff --git a/arch/sh/kernel/timers/timer-cmt.c b/arch/sh/kernel/timers/timer-cmt.c index a574b93a4e7b..82de6895ade5 100644 --- a/arch/sh/kernel/timers/timer-cmt.c +++ b/arch/sh/kernel/timers/timer-cmt.c @@ -115,7 +115,7 @@ static irqreturn_t cmt_timer_interrupt(int irq, void *dev_id) static struct irqaction cmt_irq = { .name = "timer", .handler = cmt_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .mask = CPU_MASK_NONE, }; diff --git a/arch/sh/kernel/timers/timer-mtu2.c b/arch/sh/kernel/timers/timer-mtu2.c index fffcd1c09873..b7499a2a9188 100644 --- a/arch/sh/kernel/timers/timer-mtu2.c +++ b/arch/sh/kernel/timers/timer-mtu2.c @@ -110,7 +110,7 @@ static irqreturn_t mtu2_timer_interrupt(int irq, void *dev_id) static struct irqaction mtu2_irq = { .name = "timer", .handler = mtu2_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .mask = CPU_MASK_NONE, }; diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c index ad1ede52fc9c..2d997e2a5b6c 100644 --- a/arch/sh/kernel/timers/timer-tmu.c +++ b/arch/sh/kernel/timers/timer-tmu.c @@ -1,7 +1,7 @@ /* * arch/sh/kernel/timers/timer-tmu.c - TMU Timer Support * - * Copyright (C) 2005 Paul Mundt + * Copyright (C) 2005 - 2007 Paul Mundt * * TMU handling code hacked out of arch/sh/kernel/time.c * @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/interrupt.h> #include <linux/seqlock.h> +#include <linux/clockchips.h> #include <asm/timer.h> #include <asm/rtc.h> #include <asm/io.h> @@ -25,56 +26,75 @@ #include <asm/clock.h> #define TMU_TOCR_INIT 0x00 -#define TMU0_TCR_INIT 0x0020 -#define TMU_TSTR_INIT 1 +#define TMU_TCR_INIT 0x0020 -#define TMU0_TCR_CALIB 0x0000 +static int tmu_timer_start(void) +{ + ctrl_outb(ctrl_inb(TMU_TSTR) | 0x3, TMU_TSTR); + return 0; +} -static unsigned long tmu_timer_get_offset(void) +static void tmu0_timer_set_interval(unsigned long interval, unsigned int reload) { - int count; - static int count_p = 0x7fffffff; /* for the first call after boot */ - static unsigned long jiffies_p = 0; + ctrl_outl(interval, TMU0_TCNT); /* - * cache volatile jiffies temporarily; we have IRQs turned off. + * TCNT reloads from TCOR on underflow, clear it if we don't + * intend to auto-reload */ - unsigned long jiffies_t; + if (reload) + ctrl_outl(interval, TMU0_TCOR); + else + ctrl_outl(0, TMU0_TCOR); - /* timer count may underflow right here */ - count = ctrl_inl(TMU0_TCNT); /* read the latched count */ + tmu_timer_start(); +} - jiffies_t = jiffies; +static int tmu_timer_stop(void) +{ + ctrl_outb(ctrl_inb(TMU_TSTR) & ~0x3, TMU_TSTR); + return 0; +} - /* - * avoiding timer inconsistencies (they are rare, but they happen)... - * there is one kind of problem that must be avoided here: - * 1. the timer counter underflows - */ +static cycle_t tmu_timer_read(void) +{ + return ~ctrl_inl(TMU1_TCNT); +} + +static int tmu_set_next_event(unsigned long cycles, + struct clock_event_device *evt) +{ + tmu0_timer_set_interval(cycles, 1); + return 0; +} - if (jiffies_t == jiffies_p) { - if (count > count_p) { - /* the nutcase */ - if (ctrl_inw(TMU0_TCR) & 0x100) { /* Check UNF bit */ - count -= LATCH; - } else { - printk("%s (): hardware timer problem?\n", - __FUNCTION__); - } - } - } else - jiffies_p = jiffies_t; - - count_p = count; - - count = ((LATCH-1) - count) * TICK_SIZE; - count = (count + LATCH/2) / LATCH; - - return count; +static void tmu_set_mode(enum clock_event_mode mode, + struct clock_event_device *evt) +{ + switch (mode) { + case CLOCK_EVT_MODE_PERIODIC: + ctrl_outl(ctrl_inl(TMU0_TCNT), TMU0_TCOR); + break; + case CLOCK_EVT_MODE_ONESHOT: + ctrl_outl(0, TMU0_TCOR); + break; + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_SHUTDOWN: + break; + } } +static struct clock_event_device tmu0_clockevent = { + .name = "tmu0", + .shift = 32, + .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .set_mode = tmu_set_mode, + .set_next_event = tmu_set_next_event, +}; + static irqreturn_t tmu_timer_interrupt(int irq, void *dummy) { + struct clock_event_device *evt = &tmu0_clockevent; unsigned long timer_status; /* Clear UNF bit */ @@ -82,72 +102,76 @@ static irqreturn_t tmu_timer_interrupt(int irq, void *dummy) timer_status &= ~0x100; ctrl_outw(timer_status, TMU0_TCR); - /* - * Here we are in the timer irq handler. We just have irqs locally - * disabled but we don't know if the timer_bh is running on the other - * CPU. We need to avoid to SMP race with it. NOTE: we don' t need - * the irq version of write_lock because as just said we have irq - * locally disabled. -arca - */ - write_seqlock(&xtime_lock); - handle_timer_tick(); - write_sequnlock(&xtime_lock); + evt->event_handler(evt); return IRQ_HANDLED; } -static struct irqaction tmu_irq = { - .name = "timer", +static struct irqaction tmu0_irq = { + .name = "periodic timer", .handler = tmu_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .mask = CPU_MASK_NONE, }; -static void tmu_clk_init(struct clk *clk) +static void tmu0_clk_init(struct clk *clk) { - u8 divisor = TMU0_TCR_INIT & 0x7; - ctrl_outw(TMU0_TCR_INIT, TMU0_TCR); + u8 divisor = TMU_TCR_INIT & 0x7; + ctrl_outw(TMU_TCR_INIT, TMU0_TCR); clk->rate = clk->parent->rate / (4 << (divisor << 1)); } -static void tmu_clk_recalc(struct clk *clk) +static void tmu0_clk_recalc(struct clk *clk) { u8 divisor = ctrl_inw(TMU0_TCR) & 0x7; clk->rate = clk->parent->rate / (4 << (divisor << 1)); } -static struct clk_ops tmu_clk_ops = { - .init = tmu_clk_init, - .recalc = tmu_clk_recalc, +static struct clk_ops tmu0_clk_ops = { + .init = tmu0_clk_init, + .recalc = tmu0_clk_recalc, }; static struct clk tmu0_clk = { .name = "tmu0_clk", - .ops = &tmu_clk_ops, + .ops = &tmu0_clk_ops, }; -static int tmu_timer_start(void) +static void tmu1_clk_init(struct clk *clk) { - ctrl_outb(TMU_TSTR_INIT, TMU_TSTR); - return 0; + u8 divisor = TMU_TCR_INIT & 0x7; + ctrl_outw(divisor, TMU1_TCR); + clk->rate = clk->parent->rate / (4 << (divisor << 1)); } -static int tmu_timer_stop(void) +static void tmu1_clk_recalc(struct clk *clk) { - ctrl_outb(0, TMU_TSTR); - return 0; + u8 divisor = ctrl_inw(TMU1_TCR) & 0x7; + clk->rate = clk->parent->rate / (4 << (divisor << 1)); } +static struct clk_ops tmu1_clk_ops = { + .init = tmu1_clk_init, + .recalc = tmu1_clk_recalc, +}; + +static struct clk tmu1_clk = { + .name = "tmu1_clk", + .ops = &tmu1_clk_ops, +}; + static int tmu_timer_init(void) { unsigned long interval; + unsigned long frequency; - setup_irq(CONFIG_SH_TIMER_IRQ, &tmu_irq); + setup_irq(CONFIG_SH_TIMER_IRQ, &tmu0_irq); tmu0_clk.parent = clk_get(NULL, "module_clk"); + tmu1_clk.parent = clk_get(NULL, "module_clk"); - /* Start TMU0 */ tmu_timer_stop(); + #if !defined(CONFIG_CPU_SUBTYPE_SH7300) && \ !defined(CONFIG_CPU_SUBTYPE_SH7760) && \ !defined(CONFIG_CPU_SUBTYPE_SH7785) @@ -155,15 +179,29 @@ static int tmu_timer_init(void) #endif clk_register(&tmu0_clk); + clk_register(&tmu1_clk); clk_enable(&tmu0_clk); + clk_enable(&tmu1_clk); - interval = (clk_get_rate(&tmu0_clk) + HZ / 2) / HZ; - printk(KERN_INFO "Interval = %ld\n", interval); + frequency = clk_get_rate(&tmu0_clk); + interval = (frequency + HZ / 2) / HZ; - ctrl_outl(interval, TMU0_TCOR); - ctrl_outl(interval, TMU0_TCNT); + sh_hpt_frequency = clk_get_rate(&tmu1_clk); + ctrl_outl(~0, TMU1_TCNT); + ctrl_outl(~0, TMU1_TCOR); - tmu_timer_start(); + tmu0_timer_set_interval(interval, 1); + + tmu0_clockevent.mult = div_sc(frequency, NSEC_PER_SEC, + tmu0_clockevent.shift); + tmu0_clockevent.max_delta_ns = + clockevent_delta2ns(-1, &tmu0_clockevent); + tmu0_clockevent.min_delta_ns = + clockevent_delta2ns(1, &tmu0_clockevent); + + tmu0_clockevent.cpumask = cpumask_of_cpu(0); + + clockevents_register_device(&tmu0_clockevent); return 0; } @@ -172,9 +210,7 @@ struct sys_timer_ops tmu_timer_ops = { .init = tmu_timer_init, .start = tmu_timer_start, .stop = tmu_timer_stop, -#ifndef CONFIG_GENERIC_TIME - .get_offset = tmu_timer_get_offset, -#endif + .read = tmu_timer_read, }; struct sys_timer tmu_timer = { diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c index 7b40f0ff3dfc..3a197649cd83 100644 --- a/arch/sh/kernel/traps.c +++ b/arch/sh/kernel/traps.c @@ -20,10 +20,10 @@ #include <linux/io.h> #include <linux/bug.h> #include <linux/debug_locks.h> +#include <linux/kdebug.h> #include <linux/limits.h> #include <asm/system.h> #include <asm/uaccess.h> -#include <asm/kdebug.h> #ifdef CONFIG_SH_KGDB #include <asm/kgdb.h> @@ -76,20 +76,6 @@ static void dump_mem(const char *str, unsigned long bottom, unsigned long top) } } -ATOMIC_NOTIFIER_HEAD(shdie_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&shdie_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&shdie_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); - static DEFINE_SPINLOCK(die_lock); void die(const char * str, struct pt_regs * regs, long err) @@ -505,7 +491,7 @@ static int handle_unaligned_access(u16 instruction, struct pt_regs *regs) simple: ret = handle_unaligned_ins(instruction,regs); if (ret==0) - regs->pc += 2; + regs->pc += instruction_size(instruction); return ret; } #endif /* CONFIG_CPU_SH2A */ @@ -682,7 +668,7 @@ asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5, err = do_fpu_inst(inst, regs); if (!err) { - regs->pc += 2; + regs->pc += instruction_size(inst); return; } /* not a FPU inst. */ diff --git a/arch/sh/kernel/vsyscall/vsyscall.c b/arch/sh/kernel/vsyscall/vsyscall.c index 7b0f66f03319..e146bafcd14f 100644 --- a/arch/sh/kernel/vsyscall/vsyscall.c +++ b/arch/sh/kernel/vsyscall/vsyscall.c @@ -1,5 +1,5 @@ /* - * arch/sh/kernel/vsyscall.c + * arch/sh/kernel/vsyscall/vsyscall.c * * Copyright (C) 2006 Paul Mundt * diff --git a/arch/sh/lib/delay.c b/arch/sh/lib/delay.c index 351714694d6d..f3ddd2133e6f 100644 --- a/arch/sh/lib/delay.c +++ b/arch/sh/lib/delay.c @@ -24,9 +24,10 @@ inline void __const_udelay(unsigned long xloops) __asm__("dmulu.l %0, %2\n\t" "sts mach, %0" : "=r" (xloops) - : "0" (xloops), "r" (cpu_data[raw_smp_processor_id()].loops_per_jiffy) + : "0" (xloops), + "r" (HZ * cpu_data[raw_smp_processor_id()].loops_per_jiffy) : "macl", "mach"); - __delay(xloops * HZ); + __delay(xloops); } void __udelay(unsigned long usecs) diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 12f3d394dc28..253346d7b316 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -218,6 +218,9 @@ endmenu menu "Memory management options" +config QUICKLIST + def_bool y + config MMU bool "Support for memory management hardware" depends on !CPU_SH2 @@ -300,6 +303,10 @@ config NODES_SHIFT config ARCH_FLATMEM_ENABLE def_bool y +config MAX_ACTIVE_REGIONS + int + default "1" + config ARCH_POPULATES_NODE_MAP def_bool y diff --git a/arch/sh/mm/fault-nommu.c b/arch/sh/mm/fault-nommu.c index 34d4e0c68fbb..923cb456819b 100644 --- a/arch/sh/mm/fault-nommu.c +++ b/arch/sh/mm/fault-nommu.c @@ -19,7 +19,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <asm/system.h> diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c index 0ecc117cade4..9207da67ff8a 100644 --- a/arch/sh/mm/fault.c +++ b/arch/sh/mm/fault.c @@ -15,7 +15,7 @@ #include <linux/mm.h> #include <linux/hardirq.h> #include <linux/kprobes.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/mmu_context.h> #include <asm/tlbflush.h> diff --git a/arch/sh/mm/hugetlbpage.c b/arch/sh/mm/hugetlbpage.c index cf2c2ee35a37..ae8c321d6e2a 100644 --- a/arch/sh/mm/hugetlbpage.c +++ b/arch/sh/mm/hugetlbpage.c @@ -13,7 +13,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/sysctl.h> diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 4d030988b368..8fe223a890ed 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -67,6 +67,8 @@ void show_mem(void) printk("%d slab pages\n", slab); printk("%d pages shared\n", shared); printk("%d pages swap cached\n", cached); + printk(KERN_INFO "Total of %ld pages in page table cache\n", + quicklist_total_size()); } #ifdef CONFIG_MMU diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c index d0d45e2e0ab3..02aae06527dc 100644 --- a/arch/sh/mm/pmb.c +++ b/arch/sh/mm/pmb.c @@ -311,9 +311,9 @@ static int __init pmb_init(void) BUG_ON(unlikely(nr_entries >= NR_PMB_ENTRIES)); - pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry), - 0, 0, pmb_cache_ctor, pmb_cache_dtor); - BUG_ON(!pmb_cache); + pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry), 0, + SLAB_PANIC, pmb_cache_ctor, + pmb_cache_dtor); jump_to_P2(); diff --git a/arch/sh64/kernel/early_printk.c b/arch/sh64/kernel/early_printk.c index 8c8a76e180aa..4f9131123672 100644 --- a/arch/sh64/kernel/early_printk.c +++ b/arch/sh64/kernel/early_printk.c @@ -79,7 +79,7 @@ static struct console sh_console = { .name = "scifcon", .write = sh_console_write, .setup = sh_console_setup, - .flags = CON_PRINTBUFFER, + .flags = CON_PRINTBUFFER | CON_BOOT, .index = -1, }; @@ -97,9 +97,3 @@ void __init enable_early_printk(void) register_console(&sh_console); } - -void disable_early_printk(void) -{ - unregister_console(&sh_console); -} - diff --git a/arch/sh64/kernel/irq.c b/arch/sh64/kernel/irq.c index e7e07f8749c9..f68b4f6c9b31 100644 --- a/arch/sh64/kernel/irq.c +++ b/arch/sh64/kernel/irq.c @@ -26,7 +26,6 @@ #include <linux/slab.h> #include <linux/random.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/seq_file.h> #include <linux/bitops.h> diff --git a/arch/sh64/kernel/pci_sh5.c b/arch/sh64/kernel/pci_sh5.c index 9dae689b6a9b..49862e165c06 100644 --- a/arch/sh64/kernel/pci_sh5.c +++ b/arch/sh64/kernel/pci_sh5.c @@ -12,7 +12,6 @@ #include <linux/kernel.h> #include <linux/rwsem.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/errno.h> diff --git a/arch/sh64/kernel/sh_ksyms.c b/arch/sh64/kernel/sh_ksyms.c index 7aa4b4f7bc5e..461ea3de316f 100644 --- a/arch/sh64/kernel/sh_ksyms.c +++ b/arch/sh64/kernel/sh_ksyms.c @@ -17,7 +17,6 @@ #include <linux/sched.h> #include <linux/in6.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/screen_info.h> #include <asm/semaphore.h> diff --git a/arch/sh64/kernel/signal.c b/arch/sh64/kernel/signal.c index 1666d3efb52e..b76bdfa473d6 100644 --- a/arch/sh64/kernel/signal.c +++ b/arch/sh64/kernel/signal.c @@ -16,7 +16,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/sh64/kernel/sys_sh64.c b/arch/sh64/kernel/sys_sh64.c index ad0fa4e003e7..19126daf9f4c 100644 --- a/arch/sh64/kernel/sys_sh64.c +++ b/arch/sh64/kernel/sys_sh64.c @@ -20,7 +20,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/sh64/kernel/traps.c b/arch/sh64/kernel/traps.c index c346d7ef9280..9d0d58fb29fa 100644 --- a/arch/sh64/kernel/traps.c +++ b/arch/sh64/kernel/traps.c @@ -23,7 +23,6 @@ #include <linux/timer.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/spinlock.h> diff --git a/arch/sh64/kernel/unwind.c b/arch/sh64/kernel/unwind.c index f934f97f9f9c..1214c78e3584 100644 --- a/arch/sh64/kernel/unwind.c +++ b/arch/sh64/kernel/unwind.c @@ -46,15 +46,15 @@ static int lookup_prev_stack_frame(unsigned long fp, unsigned long pc, struct pt_regs *regs) { const char *sym; - char *modname, namebuf[128]; - unsigned long offset, size; + char namebuf[128]; + unsigned long offset; unsigned long prologue = 0; unsigned long fp_displacement = 0; unsigned long fp_prev = 0; unsigned long offset_r14 = 0, offset_r18 = 0; int i, found_prologue_end = 0; - sym = kallsyms_lookup(pc, &size, &offset, &modname, namebuf); + sym = kallsyms_lookup(pc, NULL, &offset, NULL, namebuf); if (!sym) return -EINVAL; diff --git a/arch/sh64/mm/fault.c b/arch/sh64/mm/fault.c index 4f72ab33bb2b..4dd8ee8f01ce 100644 --- a/arch/sh64/mm/fault.c +++ b/arch/sh64/mm/fault.c @@ -22,7 +22,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <asm/system.h> diff --git a/arch/sh64/mm/hugetlbpage.c b/arch/sh64/mm/hugetlbpage.c index 4b455f611146..fa66daa2dfa9 100644 --- a/arch/sh64/mm/hugetlbpage.c +++ b/arch/sh64/mm/hugetlbpage.c @@ -13,7 +13,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/sysctl.h> diff --git a/arch/sh64/mm/tlbmiss.c b/arch/sh64/mm/tlbmiss.c index c8615954aaa9..d4c5334186d0 100644 --- a/arch/sh64/mm/tlbmiss.c +++ b/arch/sh64/mm/tlbmiss.c @@ -32,7 +32,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <asm/system.h> diff --git a/arch/sparc/kernel/asm-offsets.c b/arch/sparc/kernel/asm-offsets.c index 29d7cfd1c970..6773ed76e414 100644 --- a/arch/sparc/kernel/asm-offsets.c +++ b/arch/sparc/kernel/asm-offsets.c @@ -28,7 +28,7 @@ int foo(void) DEFINE(AOFF_task_gid, offsetof(struct task_struct, gid)); DEFINE(AOFF_task_euid, offsetof(struct task_struct, euid)); DEFINE(AOFF_task_egid, offsetof(struct task_struct, egid)); - /* DEFINE(THREAD_INFO, offsetof(struct task_struct, thread_info)); */ + /* DEFINE(THREAD_INFO, offsetof(struct task_struct, stack)); */ DEFINE(ASIZ_task_uid, sizeof(current->uid)); DEFINE(ASIZ_task_gid, sizeof(current->gid)); DEFINE(ASIZ_task_euid, sizeof(current->euid)); diff --git a/arch/sparc/kernel/head.S b/arch/sparc/kernel/head.S index 9a219e8b5ddb..97da13c52563 100644 --- a/arch/sparc/kernel/head.S +++ b/arch/sparc/kernel/head.S @@ -19,7 +19,7 @@ #include <asm/ptrace.h> #include <asm/psr.h> #include <asm/page.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/winmacro.h> #include <asm/thread_info.h> /* TI_UWINMASK */ #include <asm/errno.h> diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c index 5b4841d067c1..bdbefa8a9742 100644 --- a/arch/sparc/kernel/irq.c +++ b/arch/sparc/kernel/irq.c @@ -24,7 +24,6 @@ #include <linux/random.h> #include <linux/init.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/threads.h> #include <linux/spinlock.h> diff --git a/arch/sparc/kernel/process.c b/arch/sparc/kernel/process.c index fc874e63a499..2940d2c1a778 100644 --- a/arch/sparc/kernel/process.c +++ b/arch/sparc/kernel/process.c @@ -23,7 +23,6 @@ #include <linux/user.h> #include <linux/a.out.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/reboot.h> #include <linux/delay.h> #include <linux/pm.h> diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c index eccd8e87f529..64c0ed98820a 100644 --- a/arch/sparc/kernel/setup.c +++ b/arch/sparc/kernel/setup.c @@ -31,6 +31,7 @@ #include <linux/spinlock.h> #include <linux/root_dev.h> #include <linux/cpu.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/io.h> @@ -40,7 +41,6 @@ #include <asm/pgtable.h> #include <asm/traps.h> #include <asm/vaddrs.h> -#include <asm/kdebug.h> #include <asm/mbus.h> #include <asm/idprom.h> #include <asm/machines.h> diff --git a/arch/sparc/kernel/signal.c b/arch/sparc/kernel/signal.c index c9301b9143ca..9994cac95078 100644 --- a/arch/sparc/kernel/signal.c +++ b/arch/sparc/kernel/signal.c @@ -17,7 +17,6 @@ #include <linux/mm.h> #include <linux/tty.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/binfmts.h> /* do_coredum */ #include <linux/bitops.h> diff --git a/arch/sparc/kernel/smp.c b/arch/sparc/kernel/smp.c index 6b5f26b0fb75..4d9ad59031bb 100644 --- a/arch/sparc/kernel/smp.c +++ b/arch/sparc/kernel/smp.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/threads.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/init.h> diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index 0e27e226e0e2..116d6a241ca2 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -17,7 +17,6 @@ #include <linux/random.h> #include <linux/init.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/seq_file.h> diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c index c69de5d4863d..098c94f1a322 100644 --- a/arch/sparc/kernel/sun4d_smp.c +++ b/arch/sparc/kernel/sun4d_smp.c @@ -12,7 +12,6 @@ #include <linux/sched.h> #include <linux/threads.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/init.h> diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index 4e07bdbbfb5d..63ed19bfd028 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -9,7 +9,6 @@ #include <linux/sched.h> #include <linux/threads.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/init.h> diff --git a/arch/sparc/kernel/sunos_ioctl.c b/arch/sparc/kernel/sunos_ioctl.c index 32e8274e4357..e613cc6a10ba 100644 --- a/arch/sparc/kernel/sunos_ioctl.c +++ b/arch/sparc/kernel/sunos_ioctl.c @@ -21,7 +21,6 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/file.h> diff --git a/arch/sparc/kernel/sys_solaris.c b/arch/sparc/kernel/sys_solaris.c index 01b07bb440f0..2226a5992484 100644 --- a/arch/sparc/kernel/sys_solaris.c +++ b/arch/sparc/kernel/sys_solaris.c @@ -12,7 +12,6 @@ #include <linux/ptrace.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/module.h> asmlinkage int diff --git a/arch/sparc/kernel/systbls.S b/arch/sparc/kernel/systbls.S index 3a69778c8366..e3f5b8ed4c52 100644 --- a/arch/sparc/kernel/systbls.S +++ b/arch/sparc/kernel/systbls.S @@ -80,6 +80,7 @@ sys_call_table: /*295*/ .long sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare /*300*/ .long sys_set_robust_list, sys_get_robust_list, sys_migrate_pages, sys_mbind, sys_get_mempolicy /*305*/ .long sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait +/*310*/ .long sys_utimensat #ifdef CONFIG_SUNOS_EMUL /* Now the SunOS syscall table. */ @@ -196,5 +197,6 @@ sunos_sys_table: .long sunos_nosys, sunos_nosys, sunos_nosys .long sunos_nosys, sunos_nosys, sunos_nosys .long sunos_nosys +/*310*/ .long sunos_nosys #endif diff --git a/arch/sparc/kernel/traps.c b/arch/sparc/kernel/traps.c index 527687afc1c4..dc9ffea2a4f7 100644 --- a/arch/sparc/kernel/traps.c +++ b/arch/sparc/kernel/traps.c @@ -15,6 +15,7 @@ #include <linux/signal.h> #include <linux/smp.h> #include <linux/smp_lock.h> +#include <linux/kdebug.h> #include <asm/delay.h> #include <asm/system.h> @@ -22,7 +23,6 @@ #include <asm/oplib.h> #include <asm/page.h> #include <asm/pgtable.h> -#include <asm/kdebug.h> #include <asm/unistd.h> #include <asm/traps.h> diff --git a/arch/sparc/lib/bitext.c b/arch/sparc/lib/bitext.c index 2e168d16547f..764b3eb7b604 100644 --- a/arch/sparc/lib/bitext.c +++ b/arch/sparc/lib/bitext.c @@ -9,7 +9,6 @@ * fragmentation. */ -#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/bitops.h> diff --git a/arch/sparc/mm/fault.c b/arch/sparc/mm/fault.c index 9eeed3347df3..c3483365db4b 100644 --- a/arch/sparc/mm/fault.c +++ b/arch/sparc/mm/fault.c @@ -18,9 +18,9 @@ #include <linux/signal.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/module.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/page.h> @@ -30,7 +30,6 @@ #include <asm/oplib.h> #include <asm/smp.h> #include <asm/traps.h> -#include <asm/kdebug.h> #include <asm/uaccess.h> extern int prom_node_root; diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 0df7121cef07..e5eaa8072ae0 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -18,13 +18,13 @@ #include <linux/bootmem.h> #include <linux/fs.h> #include <linux/seq_file.h> +#include <linux/kdebug.h> #include <asm/bitext.h> #include <asm/page.h> #include <asm/pgalloc.h> #include <asm/pgtable.h> #include <asm/io.h> -#include <asm/kdebug.h> #include <asm/vaddrs.h> #include <asm/traps.h> #include <asm/smp.h> diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c index 0ace17bafba4..ad55a9bb50dd 100644 --- a/arch/sparc64/kernel/ebus.c +++ b/arch/sparc64/kernel/ebus.c @@ -13,16 +13,17 @@ #include <linux/string.h> #include <linux/interrupt.h> #include <linux/delay.h> +#include <linux/pci.h> #include <asm/system.h> #include <asm/page.h> -#include <asm/pbm.h> #include <asm/ebus.h> #include <asm/oplib.h> #include <asm/prom.h> #include <asm/of_device.h> #include <asm/bpp.h> #include <asm/irq.h> +#include <asm/io.h> /* EBUS dma library. */ diff --git a/arch/sparc64/kernel/kprobes.c b/arch/sparc64/kernel/kprobes.c index ae221f0d4a6f..c93a15b785fa 100644 --- a/arch/sparc64/kernel/kprobes.c +++ b/arch/sparc64/kernel/kprobes.c @@ -6,7 +6,7 @@ #include <linux/kernel.h> #include <linux/kprobes.h> #include <linux/module.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/signal.h> #include <asm/cacheflush.h> #include <asm/uaccess.h> @@ -313,7 +313,7 @@ out: return 1; } -static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) +int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) { struct kprobe *cur = kprobe_running(); struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); @@ -403,15 +403,6 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self, if (post_kprobe_handler(args->regs)) ret = NOTIFY_STOP; break; - case DIE_GPF: - case DIE_PAGE_FAULT: - /* kprobe_running() needs smp_processor_id() */ - preempt_disable(); - if (kprobe_running() && - kprobe_fault_handler(args->regs, args->trapnr)) - ret = NOTIFY_STOP; - preempt_enable(); - break; default: break; } diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index af2c7ff01eeb..d85e1ed7c3e4 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -14,13 +14,12 @@ #include <linux/sched.h> #include <linux/capability.h> #include <linux/errno.h> -#include <linux/smp_lock.h> +#include <linux/pci.h> #include <linux/msi.h> #include <linux/irq.h> #include <linux/init.h> #include <asm/uaccess.h> -#include <asm/pbm.h> #include <asm/pgtable.h> #include <asm/irq.h> #include <asm/ebus.h> @@ -49,10 +48,10 @@ asmlinkage int sys_pciconfig_write(unsigned long bus, unsigned long dfn, #else /* List of all PCI controllers found in the system. */ -struct pci_controller_info *pci_controller_root = NULL; +struct pci_pbm_info *pci_pbm_root = NULL; -/* Each PCI controller found gets a unique index. */ -int pci_num_controllers = 0; +/* Each PBM found gets a unique index. */ +int pci_num_pbms = 0; volatile int pci_poke_in_progress; volatile int pci_poke_cpu = -1; @@ -292,7 +291,7 @@ extern const struct pci_iommu_ops pci_sun4u_iommu_ops, /* Find each controller in the system, attach and initialize * software state structure for each and link into the - * pci_controller_root. Setup the controller enough such + * pci_pbm_root. Setup the controller enough such * that bus scanning can be done. */ static void __init pci_controller_probe(void) @@ -744,7 +743,6 @@ int pci_host_bridge_write_pci_cfg(struct pci_bus *bus_dev, struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm) { - struct pci_controller_info *p = pbm->parent; struct device_node *node = pbm->prom_node; struct pci_dev *host_pdev; struct pci_bus *bus; @@ -752,7 +750,7 @@ struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm) printk("PCI: Scanning PBM %s\n", node->full_name); /* XXX parent device? XXX */ - bus = pci_create_bus(NULL, pbm->pci_first_busno, p->pci_ops, pbm); + bus = pci_create_bus(NULL, pbm->pci_first_busno, pbm->pci_ops, pbm); if (!bus) { printk(KERN_ERR "Failed to create bus for %s\n", node->full_name); @@ -777,10 +775,10 @@ struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm) static void __init pci_scan_each_controller_bus(void) { - struct pci_controller_info *p; + struct pci_pbm_info *pbm; - for (p = pci_controller_root; p; p = p->next) - p->scan_bus(p); + for (pbm = pci_pbm_root; pbm; pbm = pbm->next) + pbm->scan_bus(pbm); } extern void power_init(void); @@ -788,7 +786,7 @@ extern void power_init(void); static int __init pcibios_init(void) { pci_controller_probe(); - if (pci_controller_root == NULL) + if (pci_pbm_root == NULL) return 0; pci_scan_each_controller_bus(); @@ -923,10 +921,8 @@ static int __pci_mmap_make_offset_bus(struct pci_dev *pdev, struct vm_area_struc enum pci_mmap_state mmap_state) { struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller; - struct pci_controller_info *p; unsigned long space_size, user_offset, user_size; - p = pbm->parent; if (mmap_state == pci_mmap_io) { space_size = (pbm->io_space.end - pbm->io_space.start) + 1; @@ -1079,11 +1075,7 @@ int pci_domain_nr(struct pci_bus *pbus) if (pbm == NULL || pbm->parent == NULL) { ret = -ENXIO; } else { - struct pci_controller_info *p = pbm->parent; - - ret = p->index; - ret = ((ret << 1) + - ((pbm == &pbm->parent->pbm_B) ? 1 : 0)); + ret = pbm->index; } return ret; @@ -1094,17 +1086,12 @@ EXPORT_SYMBOL(pci_domain_nr); int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc) { struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller; - struct pci_controller_info *p = pbm->parent; - int virt_irq, err; + int virt_irq; - if (!pbm->msi_num || !p->setup_msi_irq) + if (!pbm->setup_msi_irq) return -EINVAL; - err = p->setup_msi_irq(&virt_irq, pdev, desc); - if (err) - return err; - - return 0; + return pbm->setup_msi_irq(&virt_irq, pdev, desc); } void arch_teardown_msi_irq(unsigned int virt_irq) @@ -1112,12 +1099,11 @@ void arch_teardown_msi_irq(unsigned int virt_irq) struct msi_desc *entry = get_irq_msi(virt_irq); struct pci_dev *pdev = entry->dev; struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller; - struct pci_controller_info *p = pbm->parent; - if (!pbm->msi_num || !p->setup_msi_irq) + if (!pbm->teardown_msi_irq) return; - return p->teardown_msi_irq(virt_irq, pdev); + return pbm->teardown_msi_irq(virt_irq, pdev); } #endif /* !(CONFIG_PCI_MSI) */ diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c index 1e6aeedf43c4..76faaa8135dd 100644 --- a/arch/sparc64/kernel/pci_common.c +++ b/arch/sparc64/kernel/pci_common.c @@ -9,12 +9,26 @@ #include <linux/pci.h> #include <linux/device.h> -#include <asm/pbm.h> #include <asm/prom.h> #include <asm/of_device.h> +#include <asm/oplib.h> #include "pci_impl.h" +void pci_get_pbm_props(struct pci_pbm_info *pbm) +{ + const u32 *val = of_get_property(pbm->prom_node, "bus-range", NULL); + + pbm->pci_first_busno = val[0]; + pbm->pci_last_busno = val[1]; + + val = of_get_property(pbm->prom_node, "ino-bitmap", NULL); + if (val) { + pbm->ino_bitmap = (((u64)val[1] << 32UL) | + ((u64)val[0] << 0UL)); + } +} + static void pci_register_legacy_regions(struct resource *io_res, struct resource *mem_res) { @@ -149,8 +163,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm) } /* Generic helper routines for PCI error reporting. */ -void pci_scan_for_target_abort(struct pci_controller_info *p, - struct pci_pbm_info *pbm, +void pci_scan_for_target_abort(struct pci_pbm_info *pbm, struct pci_bus *pbus) { struct pci_dev *pdev; @@ -165,18 +178,16 @@ void pci_scan_for_target_abort(struct pci_controller_info *p, PCI_STATUS_REC_TARGET_ABORT)); if (error_bits) { pci_write_config_word(pdev, PCI_STATUS, error_bits); - printk("PCI%d(PBM%c): Device [%s] saw Target Abort [%016x]\n", - p->index, ((pbm == &p->pbm_A) ? 'A' : 'B'), - pci_name(pdev), status); + printk("%s: Device %s saw Target Abort [%016x]\n", + pbm->name, pci_name(pdev), status); } } list_for_each_entry(bus, &pbus->children, node) - pci_scan_for_target_abort(p, pbm, bus); + pci_scan_for_target_abort(pbm, bus); } -void pci_scan_for_master_abort(struct pci_controller_info *p, - struct pci_pbm_info *pbm, +void pci_scan_for_master_abort(struct pci_pbm_info *pbm, struct pci_bus *pbus) { struct pci_dev *pdev; @@ -190,18 +201,16 @@ void pci_scan_for_master_abort(struct pci_controller_info *p, (status & (PCI_STATUS_REC_MASTER_ABORT)); if (error_bits) { pci_write_config_word(pdev, PCI_STATUS, error_bits); - printk("PCI%d(PBM%c): Device [%s] received Master Abort [%016x]\n", - p->index, ((pbm == &p->pbm_A) ? 'A' : 'B'), - pci_name(pdev), status); + printk("%s: Device %s received Master Abort [%016x]\n", + pbm->name, pci_name(pdev), status); } } list_for_each_entry(bus, &pbus->children, node) - pci_scan_for_master_abort(p, pbm, bus); + pci_scan_for_master_abort(pbm, bus); } -void pci_scan_for_parity_error(struct pci_controller_info *p, - struct pci_pbm_info *pbm, +void pci_scan_for_parity_error(struct pci_pbm_info *pbm, struct pci_bus *pbus) { struct pci_dev *pdev; @@ -216,12 +225,11 @@ void pci_scan_for_parity_error(struct pci_controller_info *p, PCI_STATUS_DETECTED_PARITY)); if (error_bits) { pci_write_config_word(pdev, PCI_STATUS, error_bits); - printk("PCI%d(PBM%c): Device [%s] saw Parity Error [%016x]\n", - p->index, ((pbm == &p->pbm_A) ? 'A' : 'B'), - pci_name(pdev), status); + printk("%s: Device %s saw Parity Error [%016x]\n", + pbm->name, pci_name(pdev), status); } } list_for_each_entry(bus, &pbus->children, node) - pci_scan_for_parity_error(p, pbm, bus); + pci_scan_for_parity_error(pbm, bus); } diff --git a/arch/sparc64/kernel/pci_fire.c b/arch/sparc64/kernel/pci_fire.c index 0fe626631e12..2e0eb4ee8f71 100644 --- a/arch/sparc64/kernel/pci_fire.c +++ b/arch/sparc64/kernel/pci_fire.c @@ -7,7 +7,6 @@ #include <linux/slab.h> #include <linux/init.h> -#include <asm/pbm.h> #include <asm/oplib.h> #include <asm/prom.h> @@ -160,21 +159,9 @@ static struct pci_ops pci_fire_ops = { .write = fire_write_pci_cfg, }; -static void pbm_scan_bus(struct pci_controller_info *p, - struct pci_pbm_info *pbm) +static void pci_fire_scan_bus(struct pci_pbm_info *pbm) { pbm->pci_bus = pci_scan_one_pbm(pbm); -} - -static void pci_fire_scan_bus(struct pci_controller_info *p) -{ - struct device_node *dp; - - if ((dp = p->pbm_A.prom_node) != NULL) - pbm_scan_bus(p, &p->pbm_A); - - if ((dp = p->pbm_B.prom_node) != NULL) - pbm_scan_bus(p, &p->pbm_B); /* XXX register error interrupt handlers XXX */ } @@ -313,18 +300,24 @@ static void pci_fire_hw_init(struct pci_pbm_info *pbm) } static void pci_fire_pbm_init(struct pci_controller_info *p, - struct device_node *dp, u32 portid) + struct device_node *dp, u32 portid) { const struct linux_prom64_registers *regs; struct pci_pbm_info *pbm; - const u32 *ino_bitmap; - const unsigned int *busrange; if ((portid & 1) == 0) pbm = &p->pbm_A; else pbm = &p->pbm_B; + pbm->next = pci_pbm_root; + pci_pbm_root = pbm; + + pbm->scan_bus = pci_fire_scan_bus; + pbm->pci_ops = &pci_fire_ops; + + pbm->index = pci_num_pbms++; + pbm->portid = portid; pbm->parent = p; pbm->prom_node = dp; @@ -338,13 +331,7 @@ static void pci_fire_pbm_init(struct pci_controller_info *p, pci_determine_mem_io_space(pbm); - ino_bitmap = of_get_property(dp, "ino-bitmap", NULL); - pbm->ino_bitmap = (((u64)ino_bitmap[1] << 32UL) | - ((u64)ino_bitmap[0] << 0UL)); - - busrange = of_get_property(dp, "bus-range", NULL); - pbm->pci_first_busno = busrange[0]; - pbm->pci_last_busno = busrange[1]; + pci_get_pbm_props(pbm); pci_fire_hw_init(pbm); pci_fire_pbm_iommu_init(pbm); @@ -362,19 +349,11 @@ void fire_pci_init(struct device_node *dp, const char *model_name) struct pci_controller_info *p; u32 portid = of_getintprop_default(dp, "portid", 0xff); struct iommu *iommu; + struct pci_pbm_info *pbm; - for (p = pci_controller_root; p; p = p->next) { - struct pci_pbm_info *pbm; - - if (p->pbm_A.prom_node && p->pbm_B.prom_node) - continue; - - pbm = (p->pbm_A.prom_node ? - &p->pbm_A : - &p->pbm_B); - + for (pbm = pci_pbm_root; pbm; pbm = pbm->next) { if (portid_compare(pbm->portid, portid)) { - pci_fire_pbm_init(p, dp, portid); + pci_fire_pbm_init(pbm->parent, dp, portid); return; } } @@ -395,14 +374,7 @@ void fire_pci_init(struct device_node *dp, const char *model_name) p->pbm_B.iommu = iommu; - p->next = pci_controller_root; - pci_controller_root = p; - - p->index = pci_num_controllers++; - - p->scan_bus = pci_fire_scan_bus; /* XXX MSI support XXX */ - p->pci_ops = &pci_fire_ops; /* Like PSYCHO and SCHIZO we have a 2GB aligned area * for memory space. diff --git a/arch/sparc64/kernel/pci_impl.h b/arch/sparc64/kernel/pci_impl.h index 1208583fcb83..8e38023868aa 100644 --- a/arch/sparc64/kernel/pci_impl.h +++ b/arch/sparc64/kernel/pci_impl.h @@ -8,15 +8,129 @@ #include <linux/types.h> #include <linux/spinlock.h> +#include <linux/pci.h> +#include <linux/msi.h> #include <asm/io.h> #include <asm/prom.h> +#include <asm/iommu.h> -extern struct pci_controller_info *pci_controller_root; +/* The abstraction used here is that there are PCI controllers, + * each with one (Sabre) or two (PSYCHO/SCHIZO) PCI bus modules + * underneath. Each PCI bus module uses an IOMMU (shared by both + * PBMs of a controller, or per-PBM), and if a streaming buffer + * is present, each PCI bus module has it's own. (ie. the IOMMU + * might be shared between PBMs, the STC is never shared) + * Furthermore, each PCI bus module controls it's own autonomous + * PCI bus. + */ + +#define PCI_STC_FLUSHFLAG_INIT(STC) \ + (*((STC)->strbuf_flushflag) = 0UL) +#define PCI_STC_FLUSHFLAG_SET(STC) \ + (*((STC)->strbuf_flushflag) != 0UL) + +struct pci_controller_info; + +struct pci_pbm_info { + struct pci_pbm_info *next; + int index; + + /* PCI controller we sit under. */ + struct pci_controller_info *parent; + + /* Physical address base of controller registers. */ + unsigned long controller_regs; + + /* Physical address base of PBM registers. */ + unsigned long pbm_regs; + + /* Physical address of DMA sync register, if any. */ + unsigned long sync_reg; + + /* Opaque 32-bit system bus Port ID. */ + u32 portid; + + /* Opaque 32-bit handle used for hypervisor calls. */ + u32 devhandle; + + /* Chipset version information. */ + int chip_type; +#define PBM_CHIP_TYPE_SABRE 1 +#define PBM_CHIP_TYPE_PSYCHO 2 +#define PBM_CHIP_TYPE_SCHIZO 3 +#define PBM_CHIP_TYPE_SCHIZO_PLUS 4 +#define PBM_CHIP_TYPE_TOMATILLO 5 + int chip_version; + int chip_revision; + + /* Name used for top-level resources. */ + char *name; + + /* OBP specific information. */ + struct device_node *prom_node; + u64 ino_bitmap; + + /* PBM I/O and Memory space resources. */ + struct resource io_space; + struct resource mem_space; + + /* Base of PCI Config space, can be per-PBM or shared. */ + unsigned long config_space; + + /* State of 66MHz capabilities on this PBM. */ + int is_66mhz_capable; + int all_devs_66mhz; + +#ifdef CONFIG_PCI_MSI + /* MSI info. */ + u32 msiq_num; + u32 msiq_ent_count; + u32 msiq_first; + u32 msiq_first_devino; + u32 msi_num; + u32 msi_first; + u32 msi_data_mask; + u32 msix_data_width; + u64 msi32_start; + u64 msi64_start; + u32 msi32_len; + u32 msi64_len; + void *msi_queues; + unsigned long *msi_bitmap; + int (*setup_msi_irq)(unsigned int *virt_irq_p, struct pci_dev *pdev, + struct msi_desc *entry); + void (*teardown_msi_irq)(unsigned int virt_irq, struct pci_dev *pdev); +#endif /* !(CONFIG_PCI_MSI) */ + + /* This PBM's streaming buffer. */ + struct strbuf stc; + + /* IOMMU state, potentially shared by both PBM segments. */ + struct iommu *iommu; + + /* Now things for the actual PCI bus probes. */ + unsigned int pci_first_busno; + unsigned int pci_last_busno; + struct pci_bus *pci_bus; + void (*scan_bus)(struct pci_pbm_info *); + struct pci_ops *pci_ops; +}; + +struct pci_controller_info { + /* The PCI bus modules controlled by us. */ + struct pci_pbm_info pbm_A; + struct pci_pbm_info pbm_B; +}; + +extern struct pci_pbm_info *pci_pbm_root; extern unsigned long pci_memspace_mask; -extern int pci_num_controllers; +extern int pci_num_pbms; /* PCI bus scanning and fixup support. */ +extern void pci_iommu_table_init(struct iommu *iommu, int tsbsize, + u32 dma_offset, u32 dma_addr_mask); +extern void pci_get_pbm_props(struct pci_pbm_info *pbm); extern struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm); extern void pci_determine_mem_io_space(struct pci_pbm_info *pbm); @@ -30,9 +144,9 @@ extern int pci_host_bridge_write_pci_cfg(struct pci_bus *bus_dev, u32 value); /* Error reporting support. */ -extern void pci_scan_for_target_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *); -extern void pci_scan_for_master_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *); -extern void pci_scan_for_parity_error(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *); +extern void pci_scan_for_target_abort(struct pci_pbm_info *, struct pci_bus *); +extern void pci_scan_for_master_abort(struct pci_pbm_info *, struct pci_bus *); +extern void pci_scan_for_parity_error(struct pci_pbm_info *, struct pci_bus *); /* Configuration space access. */ extern void pci_config_read8(u8 *addr, u8 *ret); diff --git a/arch/sparc64/kernel/pci_iommu.c b/arch/sparc64/kernel/pci_iommu.c index 9e405cbbcb0d..dfd6f9f4790b 100644 --- a/arch/sparc64/kernel/pci_iommu.c +++ b/arch/sparc64/kernel/pci_iommu.c @@ -8,10 +8,12 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/delay.h> +#include <linux/pci.h> -#include <asm/pbm.h> +#include <asm/oplib.h> #include "iommu_common.h" +#include "pci_impl.h" #define PCI_STC_CTXMATCH_ADDR(STC, CTX) \ ((STC)->strbuf_ctxmatch_base + ((CTX) << 3)) diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c index 253d40ec2245..2edcb1dd13c3 100644 --- a/arch/sparc64/kernel/pci_psycho.c +++ b/arch/sparc64/kernel/pci_psycho.c @@ -12,12 +12,12 @@ #include <linux/slab.h> #include <linux/interrupt.h> -#include <asm/pbm.h> #include <asm/iommu.h> #include <asm/irq.h> #include <asm/starfire.h> #include <asm/prom.h> #include <asm/of_device.h> +#include <asm/oplib.h> #include "pci_impl.h" #include "iommu_common.h" @@ -98,13 +98,8 @@ static int psycho_out_of_range(struct pci_pbm_info *pbm, unsigned char bus, unsigned char devfn) { - return ((pbm->parent == 0) || - ((pbm == &pbm->parent->pbm_B) && - (bus == pbm->pci_first_busno) && - PCI_SLOT(devfn) > 8) || - ((pbm == &pbm->parent->pbm_A) && - (bus == pbm->pci_first_busno) && - PCI_SLOT(devfn) > 8)); + return ((bus == pbm->pci_first_busno) && + PCI_SLOT(devfn) > 8); } /* PSYCHO PCI configuration space accessors. */ @@ -265,12 +260,11 @@ static unsigned long stc_error_buf[128]; static unsigned long stc_tag_buf[16]; static unsigned long stc_line_buf[16]; -static void __psycho_check_one_stc(struct pci_controller_info *p, - struct pci_pbm_info *pbm, +static void __psycho_check_one_stc(struct pci_pbm_info *pbm, int is_pbm_a) { struct strbuf *strbuf = &pbm->stc; - unsigned long regbase = p->pbm_A.controller_regs; + unsigned long regbase = pbm->controller_regs; unsigned long err_base, tag_base, line_base; u64 control; int i; @@ -326,9 +320,8 @@ static void __psycho_check_one_stc(struct pci_controller_info *p, unsigned long errval = stc_error_buf[j]; if (errval != 0) { saw_error++; - printk("PSYCHO%d(PBM%c): STC_ERR(%d)[wr(%d)rd(%d)]\n", - p->index, - (is_pbm_a ? 'A' : 'B'), + printk("%s: STC_ERR(%d)[wr(%d)rd(%d)]\n", + pbm->name, j, (errval & PSYCHO_STCERR_WRITE) ? 1 : 0, (errval & PSYCHO_STCERR_READ) ? 1 : 0); @@ -337,18 +330,16 @@ static void __psycho_check_one_stc(struct pci_controller_info *p, if (saw_error != 0) { unsigned long tagval = stc_tag_buf[i]; unsigned long lineval = stc_line_buf[i]; - printk("PSYCHO%d(PBM%c): STC_TAG(%d)[PA(%016lx)VA(%08lx)V(%d)W(%d)]\n", - p->index, - (is_pbm_a ? 'A' : 'B'), + printk("%s: STC_TAG(%d)[PA(%016lx)VA(%08lx)V(%d)W(%d)]\n", + pbm->name, i, ((tagval & PSYCHO_STCTAG_PPN) >> 19UL), (tagval & PSYCHO_STCTAG_VPN), ((tagval & PSYCHO_STCTAG_VALID) ? 1 : 0), ((tagval & PSYCHO_STCTAG_WRITE) ? 1 : 0)); - printk("PSYCHO%d(PBM%c): STC_LINE(%d)[LIDX(%lx)SP(%lx)LADDR(%lx)EP(%lx)" + printk("%s: STC_LINE(%d)[LIDX(%lx)SP(%lx)LADDR(%lx)EP(%lx)" "V(%d)FOFN(%d)]\n", - p->index, - (is_pbm_a ? 'A' : 'B'), + pbm->name, i, ((lineval & PSYCHO_STCLINE_LINDX) >> 21UL), ((lineval & PSYCHO_STCLINE_SPTR) >> 15UL), @@ -362,20 +353,13 @@ static void __psycho_check_one_stc(struct pci_controller_info *p, spin_unlock(&stc_buf_lock); } -static void __psycho_check_stc_error(struct pci_controller_info *p, +static void __psycho_check_stc_error(struct pci_pbm_info *pbm, unsigned long afsr, unsigned long afar, enum psycho_error_type type) { - struct pci_pbm_info *pbm; - - pbm = &p->pbm_A; - if (pbm->stc.strbuf_enabled) - __psycho_check_one_stc(p, pbm, 1); - - pbm = &p->pbm_B; - if (pbm->stc.strbuf_enabled) - __psycho_check_one_stc(p, pbm, 0); + __psycho_check_one_stc(pbm, + (pbm == &pbm->parent->pbm_A)); } /* When an Uncorrectable Error or a PCI Error happens, we @@ -413,12 +397,12 @@ static void __psycho_check_stc_error(struct pci_controller_info *p, #define PSYCHO_IOMMU_DATA_VALID (1UL << 30UL) #define PSYCHO_IOMMU_DATA_CACHE (1UL << 28UL) #define PSYCHO_IOMMU_DATA_PPAGE 0xfffffffUL -static void psycho_check_iommu_error(struct pci_controller_info *p, +static void psycho_check_iommu_error(struct pci_pbm_info *pbm, unsigned long afsr, unsigned long afar, enum psycho_error_type type) { - struct iommu *iommu = p->pbm_A.iommu; + struct iommu *iommu = pbm->iommu; unsigned long iommu_tag[16]; unsigned long iommu_data[16]; unsigned long flags; @@ -449,8 +433,8 @@ static void psycho_check_iommu_error(struct pci_controller_info *p, type_string = "ECC Error"; break; }; - printk("PSYCHO%d: IOMMU Error, type[%s]\n", - p->index, type_string); + printk("%s: IOMMU Error, type[%s]\n", + pbm->name, type_string); /* Put the IOMMU into diagnostic mode and probe * it's TLB for entries with error status. @@ -465,7 +449,7 @@ static void psycho_check_iommu_error(struct pci_controller_info *p, psycho_write(iommu->iommu_control, control | PSYCHO_IOMMU_CTRL_DENAB); for (i = 0; i < 16; i++) { - unsigned long base = p->pbm_A.controller_regs; + unsigned long base = pbm->controller_regs; iommu_tag[i] = psycho_read(base + PSYCHO_IOMMU_TAG + (i * 8UL)); @@ -503,20 +487,20 @@ static void psycho_check_iommu_error(struct pci_controller_info *p, type_string = "ECC Error"; break; }; - printk("PSYCHO%d: IOMMU TAG(%d)[error(%s) wr(%d) str(%d) sz(%dK) vpg(%08lx)]\n", - p->index, i, type_string, + printk("%s: IOMMU TAG(%d)[error(%s) wr(%d) str(%d) sz(%dK) vpg(%08lx)]\n", + pbm->name, i, type_string, ((tag & PSYCHO_IOMMU_TAG_WRITE) ? 1 : 0), ((tag & PSYCHO_IOMMU_TAG_STREAM) ? 1 : 0), ((tag & PSYCHO_IOMMU_TAG_SIZE) ? 64 : 8), (tag & PSYCHO_IOMMU_TAG_VPAGE) << IOMMU_PAGE_SHIFT); - printk("PSYCHO%d: IOMMU DATA(%d)[valid(%d) cache(%d) ppg(%016lx)]\n", - p->index, i, + printk("%s: IOMMU DATA(%d)[valid(%d) cache(%d) ppg(%016lx)]\n", + pbm->name, i, ((data & PSYCHO_IOMMU_DATA_VALID) ? 1 : 0), ((data & PSYCHO_IOMMU_DATA_CACHE) ? 1 : 0), (data & PSYCHO_IOMMU_DATA_PPAGE) << IOMMU_PAGE_SHIFT); } } - __psycho_check_stc_error(p, afsr, afar, type); + __psycho_check_stc_error(pbm, afsr, afar, type); spin_unlock_irqrestore(&iommu->lock, flags); } @@ -541,9 +525,10 @@ static void psycho_check_iommu_error(struct pci_controller_info *p, static irqreturn_t psycho_ue_intr(int irq, void *dev_id) { - struct pci_controller_info *p = dev_id; - unsigned long afsr_reg = p->pbm_A.controller_regs + PSYCHO_UE_AFSR; - unsigned long afar_reg = p->pbm_A.controller_regs + PSYCHO_UE_AFAR; + struct pci_pbm_info *pbm = dev_id; + struct pci_controller_info *p = pbm->parent; + unsigned long afsr_reg = pbm->controller_regs + PSYCHO_UE_AFSR; + unsigned long afar_reg = pbm->controller_regs + PSYCHO_UE_AFAR; unsigned long afsr, afar, error_bits; int reported; @@ -560,22 +545,22 @@ static irqreturn_t psycho_ue_intr(int irq, void *dev_id) psycho_write(afsr_reg, error_bits); /* Log the error. */ - printk("PSYCHO%d: Uncorrectable Error, primary error type[%s]\n", - p->index, + printk("%s: Uncorrectable Error, primary error type[%s]\n", + pbm->name, (((error_bits & PSYCHO_UEAFSR_PPIO) ? "PIO" : ((error_bits & PSYCHO_UEAFSR_PDRD) ? "DMA Read" : ((error_bits & PSYCHO_UEAFSR_PDWR) ? "DMA Write" : "???"))))); - printk("PSYCHO%d: bytemask[%04lx] dword_offset[%lx] UPA_MID[%02lx] was_block(%d)\n", - p->index, + printk("%s: bytemask[%04lx] dword_offset[%lx] UPA_MID[%02lx] was_block(%d)\n", + pbm->name, (afsr & PSYCHO_UEAFSR_BMSK) >> 32UL, (afsr & PSYCHO_UEAFSR_DOFF) >> 29UL, (afsr & PSYCHO_UEAFSR_MID) >> 24UL, ((afsr & PSYCHO_UEAFSR_BLK) ? 1 : 0)); - printk("PSYCHO%d: UE AFAR [%016lx]\n", p->index, afar); - printk("PSYCHO%d: UE Secondary errors [", p->index); + printk("%s: UE AFAR [%016lx]\n", pbm->name, afar); + printk("%s: UE Secondary errors [", pbm->name); reported = 0; if (afsr & PSYCHO_UEAFSR_SPIO) { reported++; @@ -593,8 +578,9 @@ static irqreturn_t psycho_ue_intr(int irq, void *dev_id) printk("(none)"); printk("]\n"); - /* Interrogate IOMMU for error status. */ - psycho_check_iommu_error(p, afsr, afar, UE_ERR); + /* Interrogate both IOMMUs for error status. */ + psycho_check_iommu_error(&p->pbm_A, afsr, afar, UE_ERR); + psycho_check_iommu_error(&p->pbm_B, afsr, afar, UE_ERR); return IRQ_HANDLED; } @@ -618,9 +604,9 @@ static irqreturn_t psycho_ue_intr(int irq, void *dev_id) static irqreturn_t psycho_ce_intr(int irq, void *dev_id) { - struct pci_controller_info *p = dev_id; - unsigned long afsr_reg = p->pbm_A.controller_regs + PSYCHO_CE_AFSR; - unsigned long afar_reg = p->pbm_A.controller_regs + PSYCHO_CE_AFAR; + struct pci_pbm_info *pbm = dev_id; + unsigned long afsr_reg = pbm->controller_regs + PSYCHO_CE_AFSR; + unsigned long afar_reg = pbm->controller_regs + PSYCHO_CE_AFAR; unsigned long afsr, afar, error_bits; int reported; @@ -637,8 +623,8 @@ static irqreturn_t psycho_ce_intr(int irq, void *dev_id) psycho_write(afsr_reg, error_bits); /* Log the error. */ - printk("PSYCHO%d: Correctable Error, primary error type[%s]\n", - p->index, + printk("%s: Correctable Error, primary error type[%s]\n", + pbm->name, (((error_bits & PSYCHO_CEAFSR_PPIO) ? "PIO" : ((error_bits & PSYCHO_CEAFSR_PDRD) ? @@ -649,16 +635,16 @@ static irqreturn_t psycho_ce_intr(int irq, void *dev_id) /* XXX Use syndrome and afar to print out module string just like * XXX UDB CE trap handler does... -DaveM */ - printk("PSYCHO%d: syndrome[%02lx] bytemask[%04lx] dword_offset[%lx] " + printk("%s: syndrome[%02lx] bytemask[%04lx] dword_offset[%lx] " "UPA_MID[%02lx] was_block(%d)\n", - p->index, + pbm->name, (afsr & PSYCHO_CEAFSR_ESYND) >> 48UL, (afsr & PSYCHO_CEAFSR_BMSK) >> 32UL, (afsr & PSYCHO_CEAFSR_DOFF) >> 29UL, (afsr & PSYCHO_CEAFSR_MID) >> 24UL, ((afsr & PSYCHO_CEAFSR_BLK) ? 1 : 0)); - printk("PSYCHO%d: CE AFAR [%016lx]\n", p->index, afar); - printk("PSYCHO%d: CE Secondary errors [", p->index); + printk("%s: CE AFAR [%016lx]\n", pbm->name, afar); + printk("%s: CE Secondary errors [", pbm->name); reported = 0; if (afsr & PSYCHO_CEAFSR_SPIO) { reported++; @@ -773,8 +759,8 @@ static irqreturn_t psycho_pcierr_intr(int irq, void *dev_id) psycho_write(afsr_reg, error_bits); /* Log the error. */ - printk("PSYCHO%d(PBM%c): PCI Error, primary error type[%s]\n", - p->index, (is_pbm_a ? 'A' : 'B'), + printk("%s: PCI Error, primary error type[%s]\n", + pbm->name, (((error_bits & PSYCHO_PCIAFSR_PMA) ? "Master Abort" : ((error_bits & PSYCHO_PCIAFSR_PTA) ? @@ -783,15 +769,13 @@ static irqreturn_t psycho_pcierr_intr(int irq, void *dev_id) "Excessive Retries" : ((error_bits & PSYCHO_PCIAFSR_PPERR) ? "Parity Error" : "???")))))); - printk("PSYCHO%d(PBM%c): bytemask[%04lx] UPA_MID[%02lx] was_block(%d)\n", - p->index, (is_pbm_a ? 'A' : 'B'), + printk("%s: bytemask[%04lx] UPA_MID[%02lx] was_block(%d)\n", + pbm->name, (afsr & PSYCHO_PCIAFSR_BMSK) >> 32UL, (afsr & PSYCHO_PCIAFSR_MID) >> 25UL, (afsr & PSYCHO_PCIAFSR_BLK) ? 1 : 0); - printk("PSYCHO%d(PBM%c): PCI AFAR [%016lx]\n", - p->index, (is_pbm_a ? 'A' : 'B'), afar); - printk("PSYCHO%d(PBM%c): PCI Secondary errors [", - p->index, (is_pbm_a ? 'A' : 'B')); + printk("%s: PCI AFAR [%016lx]\n", pbm->name, afar); + printk("%s: PCI Secondary errors [", pbm->name); reported = 0; if (afsr & PSYCHO_PCIAFSR_SMA) { reported++; @@ -823,11 +807,11 @@ static irqreturn_t psycho_pcierr_intr(int irq, void *dev_id) * a bug in the IOMMU support code or a PCI device driver. */ if (error_bits & (PSYCHO_PCIAFSR_PTA | PSYCHO_PCIAFSR_STA)) { - psycho_check_iommu_error(p, afsr, afar, PCI_ERR); - pci_scan_for_target_abort(p, pbm, pbm->pci_bus); + psycho_check_iommu_error(pbm, afsr, afar, PCI_ERR); + pci_scan_for_target_abort(pbm, pbm->pci_bus); } if (error_bits & (PSYCHO_PCIAFSR_PMA | PSYCHO_PCIAFSR_SMA)) - pci_scan_for_master_abort(p, pbm, pbm->pci_bus); + pci_scan_for_master_abort(pbm, pbm->pci_bus); /* For excessive retries, PSYCHO/PBM will abort the device * and there is no way to specifically check for excessive @@ -837,7 +821,7 @@ static irqreturn_t psycho_pcierr_intr(int irq, void *dev_id) */ if (error_bits & (PSYCHO_PCIAFSR_PPERR | PSYCHO_PCIAFSR_SPERR)) - pci_scan_for_parity_error(p, pbm, pbm->pci_bus); + pci_scan_for_parity_error(pbm, pbm->pci_bus); return IRQ_HANDLED; } @@ -847,34 +831,49 @@ static irqreturn_t psycho_pcierr_intr(int irq, void *dev_id) #define PSYCHO_ECCCTRL_EE 0x8000000000000000UL /* Enable ECC Checking */ #define PSYCHO_ECCCTRL_UE 0x4000000000000000UL /* Enable UE Interrupts */ #define PSYCHO_ECCCTRL_CE 0x2000000000000000UL /* Enable CE INterrupts */ -static void psycho_register_error_handlers(struct pci_controller_info *p) +static void psycho_register_error_handlers(struct pci_pbm_info *pbm) { - struct pci_pbm_info *pbm = &p->pbm_A; /* arbitrary */ struct of_device *op = of_find_device_by_node(pbm->prom_node); - unsigned long base = p->pbm_A.controller_regs; + unsigned long base = pbm->controller_regs; u64 tmp; + int err; if (!op) return; /* Psycho interrupt property order is: - * 0: PCIERR PBM B INO + * 0: PCIERR INO for this PBM * 1: UE ERR * 2: CE ERR * 3: POWER FAIL * 4: SPARE HARDWARE - * 5: PCIERR PBM A INO + * 5: POWER MANAGEMENT */ if (op->num_irqs < 6) return; - request_irq(op->irqs[1], psycho_ue_intr, IRQF_SHARED, "PSYCHO UE", p); - request_irq(op->irqs[2], psycho_ce_intr, IRQF_SHARED, "PSYCHO CE", p); - request_irq(op->irqs[5], psycho_pcierr_intr, IRQF_SHARED, - "PSYCHO PCIERR-A", &p->pbm_A); - request_irq(op->irqs[0], psycho_pcierr_intr, IRQF_SHARED, - "PSYCHO PCIERR-B", &p->pbm_B); + /* We really mean to ignore the return result here. Two + * PCI controller share the same interrupt numbers and + * drive the same front-end hardware. Whichever of the + * two get in here first will register the IRQ handler + * the second will just error out since we do not pass in + * IRQF_SHARED. + */ + err = request_irq(op->irqs[1], psycho_ue_intr, 0, + "PSYCHO_UE", pbm); + err = request_irq(op->irqs[2], psycho_ce_intr, 0, + "PSYCHO_CE", pbm); + + /* This one, however, ought not to fail. We can just warn + * about it since the system can still operate properly even + * if this fails. + */ + err = request_irq(op->irqs[0], psycho_pcierr_intr, 0, + "PSYCHO_PCIERR", pbm); + if (err) + printk(KERN_WARNING "%s: Could not register PCIERR, " + "err=%d\n", pbm->name, err); /* Enable UE and CE interrupts for controller. */ psycho_write(base + PSYCHO_ECC_CTRL, @@ -918,54 +917,45 @@ static void pbm_config_busmastering(struct pci_pbm_info *pbm) pci_config_write8(addr, 64); } -static void pbm_scan_bus(struct pci_controller_info *p, - struct pci_pbm_info *pbm) +static void psycho_scan_bus(struct pci_pbm_info *pbm) { + pbm_config_busmastering(pbm); + pbm->is_66mhz_capable = 0; pbm->pci_bus = pci_scan_one_pbm(pbm); -} - -static void psycho_scan_bus(struct pci_controller_info *p) -{ - pbm_config_busmastering(&p->pbm_B); - p->pbm_B.is_66mhz_capable = 0; - pbm_config_busmastering(&p->pbm_A); - p->pbm_A.is_66mhz_capable = 1; - pbm_scan_bus(p, &p->pbm_B); - pbm_scan_bus(p, &p->pbm_A); /* After the PCI bus scan is complete, we can register * the error interrupt handlers. */ - psycho_register_error_handlers(p); + psycho_register_error_handlers(pbm); } -static void psycho_iommu_init(struct pci_controller_info *p) +static void psycho_iommu_init(struct pci_pbm_info *pbm) { - struct iommu *iommu = p->pbm_A.iommu; + struct iommu *iommu = pbm->iommu; unsigned long i; u64 control; /* Register addresses. */ - iommu->iommu_control = p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL; - iommu->iommu_tsbbase = p->pbm_A.controller_regs + PSYCHO_IOMMU_TSBBASE; - iommu->iommu_flush = p->pbm_A.controller_regs + PSYCHO_IOMMU_FLUSH; + iommu->iommu_control = pbm->controller_regs + PSYCHO_IOMMU_CONTROL; + iommu->iommu_tsbbase = pbm->controller_regs + PSYCHO_IOMMU_TSBBASE; + iommu->iommu_flush = pbm->controller_regs + PSYCHO_IOMMU_FLUSH; /* PSYCHO's IOMMU lacks ctx flushing. */ iommu->iommu_ctxflush = 0; /* We use the main control register of PSYCHO as the write * completion register. */ - iommu->write_complete_reg = p->pbm_A.controller_regs + PSYCHO_CONTROL; + iommu->write_complete_reg = pbm->controller_regs + PSYCHO_CONTROL; /* * Invalidate TLB Entries. */ - control = psycho_read(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL); + control = psycho_read(pbm->controller_regs + PSYCHO_IOMMU_CONTROL); control |= PSYCHO_IOMMU_CTRL_DENAB; - psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL, control); + psycho_write(pbm->controller_regs + PSYCHO_IOMMU_CONTROL, control); for(i = 0; i < 16; i++) { - psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_TAG + (i * 8UL), 0); - psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_DATA + (i * 8UL), 0); + psycho_write(pbm->controller_regs + PSYCHO_IOMMU_TAG + (i * 8UL), 0); + psycho_write(pbm->controller_regs + PSYCHO_IOMMU_DATA + (i * 8UL), 0); } /* Leave diag mode enabled for full-flushing done @@ -973,17 +963,17 @@ static void psycho_iommu_init(struct pci_controller_info *p) */ pci_iommu_table_init(iommu, IO_TSB_SIZE, 0xc0000000, 0xffffffff); - psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_TSBBASE, + psycho_write(pbm->controller_regs + PSYCHO_IOMMU_TSBBASE, __pa(iommu->page_table)); - control = psycho_read(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL); + control = psycho_read(pbm->controller_regs + PSYCHO_IOMMU_CONTROL); control &= ~(PSYCHO_IOMMU_CTRL_TSBSZ | PSYCHO_IOMMU_CTRL_TBWSZ); control |= (PSYCHO_IOMMU_TSBSZ_128K | PSYCHO_IOMMU_CTRL_ENAB); - psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL, control); + psycho_write(pbm->controller_regs + PSYCHO_IOMMU_CONTROL, control); /* If necessary, hook us up for starfire IRQ translations. */ if (this_is_starfire) - starfire_hookup(p->pbm_A.portid); + starfire_hookup(pbm->portid); } #define PSYCHO_IRQ_RETRY 0x1a00UL @@ -998,36 +988,35 @@ static void psycho_iommu_init(struct pci_controller_info *p) #define PSYCHO_PCIDIAG_IPAPAR 0x0000000000000002UL /* Invert PIO address parity */ #define PSYCHO_PCIDIAG_LPBACK 0x0000000000000001UL /* Enable loopback mode */ -static void psycho_controller_hwinit(struct pci_controller_info *p) +static void psycho_controller_hwinit(struct pci_pbm_info *pbm) { u64 tmp; - psycho_write(p->pbm_A.controller_regs + PSYCHO_IRQ_RETRY, 5); + psycho_write(pbm->controller_regs + PSYCHO_IRQ_RETRY, 5); /* Enable arbiter for all PCI slots. */ - tmp = psycho_read(p->pbm_A.controller_regs + PSYCHO_PCIA_CTRL); + tmp = psycho_read(pbm->controller_regs + PSYCHO_PCIA_CTRL); tmp |= PSYCHO_PCICTRL_AEN; - psycho_write(p->pbm_A.controller_regs + PSYCHO_PCIA_CTRL, tmp); + psycho_write(pbm->controller_regs + PSYCHO_PCIA_CTRL, tmp); - tmp = psycho_read(p->pbm_A.controller_regs + PSYCHO_PCIB_CTRL); + tmp = psycho_read(pbm->controller_regs + PSYCHO_PCIB_CTRL); tmp |= PSYCHO_PCICTRL_AEN; - psycho_write(p->pbm_A.controller_regs + PSYCHO_PCIB_CTRL, tmp); + psycho_write(pbm->controller_regs + PSYCHO_PCIB_CTRL, tmp); /* Disable DMA write / PIO read synchronization on * both PCI bus segments. * [ U2P Erratum 1243770, STP2223BGA data sheet ] */ - tmp = psycho_read(p->pbm_A.controller_regs + PSYCHO_PCIA_DIAG); + tmp = psycho_read(pbm->controller_regs + PSYCHO_PCIA_DIAG); tmp |= PSYCHO_PCIDIAG_DDWSYNC; - psycho_write(p->pbm_A.controller_regs + PSYCHO_PCIA_DIAG, tmp); + psycho_write(pbm->controller_regs + PSYCHO_PCIA_DIAG, tmp); - tmp = psycho_read(p->pbm_A.controller_regs + PSYCHO_PCIB_DIAG); + tmp = psycho_read(pbm->controller_regs + PSYCHO_PCIB_DIAG); tmp |= PSYCHO_PCIDIAG_DDWSYNC; - psycho_write(p->pbm_A.controller_regs + PSYCHO_PCIB_DIAG, tmp); + psycho_write(pbm->controller_regs + PSYCHO_PCIB_DIAG, tmp); } -static void psycho_pbm_strbuf_init(struct pci_controller_info *p, - struct pci_pbm_info *pbm, +static void psycho_pbm_strbuf_init(struct pci_pbm_info *pbm, int is_pbm_a) { unsigned long base = pbm->controller_regs; @@ -1088,7 +1077,6 @@ static void psycho_pbm_strbuf_init(struct pci_controller_info *p, static void psycho_pbm_init(struct pci_controller_info *p, struct device_node *dp, int is_pbm_a) { - unsigned int *busrange; struct property *prop; struct pci_pbm_info *pbm; @@ -1097,6 +1085,14 @@ static void psycho_pbm_init(struct pci_controller_info *p, else pbm = &p->pbm_B; + pbm->next = pci_pbm_root; + pci_pbm_root = pbm; + + pbm->scan_bus = psycho_scan_bus; + pbm->pci_ops = &psycho_ops; + + pbm->index = pci_num_pbms++; + pbm->chip_type = PBM_CHIP_TYPE_PSYCHO; pbm->chip_version = 0; prop = of_find_property(dp, "version#", NULL); @@ -1117,12 +1113,9 @@ static void psycho_pbm_init(struct pci_controller_info *p, pci_determine_mem_io_space(pbm); - prop = of_find_property(dp, "bus-range", NULL); - busrange = prop->value; - pbm->pci_first_busno = busrange[0]; - pbm->pci_last_busno = busrange[1]; + pci_get_pbm_props(pbm); - psycho_pbm_strbuf_init(p, pbm, is_pbm_a); + psycho_pbm_strbuf_init(pbm, is_pbm_a); } #define PSYCHO_CONFIGSPACE 0x001000000UL @@ -1131,6 +1124,7 @@ void psycho_init(struct device_node *dp, char *model_name) { struct linux_prom64_registers *pr_regs; struct pci_controller_info *p; + struct pci_pbm_info *pbm; struct iommu *iommu; struct property *prop; u32 upa_portid; @@ -1141,7 +1135,9 @@ void psycho_init(struct device_node *dp, char *model_name) if (prop) upa_portid = *(u32 *) prop->value; - for(p = pci_controller_root; p; p = p->next) { + for (pbm = pci_pbm_root; pbm; pbm = pbm->next) { + struct pci_controller_info *p = pbm->parent; + if (p->pbm_A.portid == upa_portid) { is_pbm_a = (p->pbm_A.prom_node == NULL); psycho_pbm_init(p, dp, is_pbm_a); @@ -1161,14 +1157,8 @@ void psycho_init(struct device_node *dp, char *model_name) } p->pbm_A.iommu = p->pbm_B.iommu = iommu; - p->next = pci_controller_root; - pci_controller_root = p; - p->pbm_A.portid = upa_portid; p->pbm_B.portid = upa_portid; - p->index = pci_num_controllers++; - p->scan_bus = psycho_scan_bus; - p->pci_ops = &psycho_ops; prop = of_find_property(dp, "reg", NULL); pr_regs = prop->value; @@ -1185,9 +1175,9 @@ void psycho_init(struct device_node *dp, char *model_name) */ pci_memspace_mask = 0x7fffffffUL; - psycho_controller_hwinit(p); + psycho_controller_hwinit(&p->pbm_A); - psycho_iommu_init(p); + psycho_iommu_init(&p->pbm_A); is_pbm_a = ((pr_regs[0].phys_addr & 0x6000) == 0x2000); psycho_pbm_init(p, dp, is_pbm_a); diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c index 397862fbd9e1..4cefe6e83b24 100644 --- a/arch/sparc64/kernel/pci_sabre.c +++ b/arch/sparc64/kernel/pci_sabre.c @@ -13,12 +13,12 @@ #include <linux/interrupt.h> #include <asm/apb.h> -#include <asm/pbm.h> #include <asm/iommu.h> #include <asm/irq.h> #include <asm/smp.h> #include <asm/oplib.h> #include <asm/prom.h> +#include <asm/of_device.h> #include "pci_impl.h" #include "iommu_common.h" @@ -494,11 +494,11 @@ static struct pci_ops sabre_ops = { }; /* SABRE error handling support. */ -static void sabre_check_iommu_error(struct pci_controller_info *p, +static void sabre_check_iommu_error(struct pci_pbm_info *pbm, unsigned long afsr, unsigned long afar) { - struct iommu *iommu = p->pbm_A.iommu; + struct iommu *iommu = pbm->iommu; unsigned long iommu_tag[16]; unsigned long iommu_data[16]; unsigned long flags; @@ -526,8 +526,8 @@ static void sabre_check_iommu_error(struct pci_controller_info *p, type_string = "Unknown"; break; }; - printk("SABRE%d: IOMMU Error, type[%s]\n", - p->index, type_string); + printk("%s: IOMMU Error, type[%s]\n", + pbm->name, type_string); /* Enter diagnostic mode and probe for error'd * entries in the IOTLB. @@ -536,7 +536,7 @@ static void sabre_check_iommu_error(struct pci_controller_info *p, sabre_write(iommu->iommu_control, (control | SABRE_IOMMUCTRL_DENAB)); for (i = 0; i < 16; i++) { - unsigned long base = p->pbm_A.controller_regs; + unsigned long base = pbm->controller_regs; iommu_tag[i] = sabre_read(base + SABRE_IOMMU_TAG + (i * 8UL)); @@ -566,13 +566,13 @@ static void sabre_check_iommu_error(struct pci_controller_info *p, type_string = "Unknown"; break; }; - printk("SABRE%d: IOMMU TAG(%d)[RAW(%016lx)error(%s)wr(%d)sz(%dK)vpg(%08lx)]\n", - p->index, i, tag, type_string, + printk("%s: IOMMU TAG(%d)[RAW(%016lx)error(%s)wr(%d)sz(%dK)vpg(%08lx)]\n", + pbm->name, i, tag, type_string, ((tag & SABRE_IOMMUTAG_WRITE) ? 1 : 0), ((tag & SABRE_IOMMUTAG_SIZE) ? 64 : 8), ((tag & SABRE_IOMMUTAG_VPN) << IOMMU_PAGE_SHIFT)); - printk("SABRE%d: IOMMU DATA(%d)[RAW(%016lx)valid(%d)used(%d)cache(%d)ppg(%016lx)\n", - p->index, i, data, + printk("%s: IOMMU DATA(%d)[RAW(%016lx)valid(%d)used(%d)cache(%d)ppg(%016lx)\n", + pbm->name, i, data, ((data & SABRE_IOMMUDATA_VALID) ? 1 : 0), ((data & SABRE_IOMMUDATA_USED) ? 1 : 0), ((data & SABRE_IOMMUDATA_CACHE) ? 1 : 0), @@ -584,9 +584,9 @@ static void sabre_check_iommu_error(struct pci_controller_info *p, static irqreturn_t sabre_ue_intr(int irq, void *dev_id) { - struct pci_controller_info *p = dev_id; - unsigned long afsr_reg = p->pbm_A.controller_regs + SABRE_UE_AFSR; - unsigned long afar_reg = p->pbm_A.controller_regs + SABRE_UECE_AFAR; + struct pci_pbm_info *pbm = dev_id; + unsigned long afsr_reg = pbm->controller_regs + SABRE_UE_AFSR; + unsigned long afar_reg = pbm->controller_regs + SABRE_UECE_AFAR; unsigned long afsr, afar, error_bits; int reported; @@ -604,21 +604,21 @@ static irqreturn_t sabre_ue_intr(int irq, void *dev_id) sabre_write(afsr_reg, error_bits); /* Log the error. */ - printk("SABRE%d: Uncorrectable Error, primary error type[%s%s]\n", - p->index, + printk("%s: Uncorrectable Error, primary error type[%s%s]\n", + pbm->name, ((error_bits & SABRE_UEAFSR_PDRD) ? "DMA Read" : ((error_bits & SABRE_UEAFSR_PDWR) ? "DMA Write" : "???")), ((error_bits & SABRE_UEAFSR_PDTE) ? ":Translation Error" : "")); - printk("SABRE%d: bytemask[%04lx] dword_offset[%lx] was_block(%d)\n", - p->index, + printk("%s: bytemask[%04lx] dword_offset[%lx] was_block(%d)\n", + pbm->name, (afsr & SABRE_UEAFSR_BMSK) >> 32UL, (afsr & SABRE_UEAFSR_OFF) >> 29UL, ((afsr & SABRE_UEAFSR_BLK) ? 1 : 0)); - printk("SABRE%d: UE AFAR [%016lx]\n", p->index, afar); - printk("SABRE%d: UE Secondary errors [", p->index); + printk("%s: UE AFAR [%016lx]\n", pbm->name, afar); + printk("%s: UE Secondary errors [", pbm->name); reported = 0; if (afsr & SABRE_UEAFSR_SDRD) { reported++; @@ -637,16 +637,16 @@ static irqreturn_t sabre_ue_intr(int irq, void *dev_id) printk("]\n"); /* Interrogate IOMMU for error status. */ - sabre_check_iommu_error(p, afsr, afar); + sabre_check_iommu_error(pbm, afsr, afar); return IRQ_HANDLED; } static irqreturn_t sabre_ce_intr(int irq, void *dev_id) { - struct pci_controller_info *p = dev_id; - unsigned long afsr_reg = p->pbm_A.controller_regs + SABRE_CE_AFSR; - unsigned long afar_reg = p->pbm_A.controller_regs + SABRE_UECE_AFAR; + struct pci_pbm_info *pbm = dev_id; + unsigned long afsr_reg = pbm->controller_regs + SABRE_CE_AFSR; + unsigned long afar_reg = pbm->controller_regs + SABRE_UECE_AFAR; unsigned long afsr, afar, error_bits; int reported; @@ -663,8 +663,8 @@ static irqreturn_t sabre_ce_intr(int irq, void *dev_id) sabre_write(afsr_reg, error_bits); /* Log the error. */ - printk("SABRE%d: Correctable Error, primary error type[%s]\n", - p->index, + printk("%s: Correctable Error, primary error type[%s]\n", + pbm->name, ((error_bits & SABRE_CEAFSR_PDRD) ? "DMA Read" : ((error_bits & SABRE_CEAFSR_PDWR) ? @@ -673,15 +673,15 @@ static irqreturn_t sabre_ce_intr(int irq, void *dev_id) /* XXX Use syndrome and afar to print out module string just like * XXX UDB CE trap handler does... -DaveM */ - printk("SABRE%d: syndrome[%02lx] bytemask[%04lx] dword_offset[%lx] " + printk("%s: syndrome[%02lx] bytemask[%04lx] dword_offset[%lx] " "was_block(%d)\n", - p->index, + pbm->name, (afsr & SABRE_CEAFSR_ESYND) >> 48UL, (afsr & SABRE_CEAFSR_BMSK) >> 32UL, (afsr & SABRE_CEAFSR_OFF) >> 29UL, ((afsr & SABRE_CEAFSR_BLK) ? 1 : 0)); - printk("SABRE%d: CE AFAR [%016lx]\n", p->index, afar); - printk("SABRE%d: CE Secondary errors [", p->index); + printk("%s: CE AFAR [%016lx]\n", pbm->name, afar); + printk("%s: CE Secondary errors [", pbm->name); reported = 0; if (afsr & SABRE_CEAFSR_SDRD) { reported++; @@ -698,13 +698,13 @@ static irqreturn_t sabre_ce_intr(int irq, void *dev_id) return IRQ_HANDLED; } -static irqreturn_t sabre_pcierr_intr_other(struct pci_controller_info *p) +static irqreturn_t sabre_pcierr_intr_other(struct pci_pbm_info *pbm) { unsigned long csr_reg, csr, csr_error_bits; irqreturn_t ret = IRQ_NONE; u16 stat; - csr_reg = p->pbm_A.controller_regs + SABRE_PCICTRL; + csr_reg = pbm->controller_regs + SABRE_PCICTRL; csr = sabre_read(csr_reg); csr_error_bits = csr & SABRE_PCICTRL_SERR; @@ -714,8 +714,8 @@ static irqreturn_t sabre_pcierr_intr_other(struct pci_controller_info *p) /* Log 'em. */ if (csr_error_bits & SABRE_PCICTRL_SERR) - printk("SABRE%d: PCI SERR signal asserted.\n", - p->index); + printk("%s: PCI SERR signal asserted.\n", + pbm->name); ret = IRQ_HANDLED; } pci_bus_read_config_word(sabre_root_bus, 0, @@ -725,8 +725,8 @@ static irqreturn_t sabre_pcierr_intr_other(struct pci_controller_info *p) PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_SIG_SYSTEM_ERROR)) { - printk("SABRE%d: PCI bus error, PCI_STATUS[%04x]\n", - p->index, stat); + printk("%s: PCI bus error, PCI_STATUS[%04x]\n", + pbm->name, stat); pci_bus_write_config_word(sabre_root_bus, 0, PCI_STATUS, 0xffff); ret = IRQ_HANDLED; @@ -736,13 +736,13 @@ static irqreturn_t sabre_pcierr_intr_other(struct pci_controller_info *p) static irqreturn_t sabre_pcierr_intr(int irq, void *dev_id) { - struct pci_controller_info *p = dev_id; + struct pci_pbm_info *pbm = dev_id; unsigned long afsr_reg, afar_reg; unsigned long afsr, afar, error_bits; int reported; - afsr_reg = p->pbm_A.controller_regs + SABRE_PIOAFSR; - afar_reg = p->pbm_A.controller_regs + SABRE_PIOAFAR; + afsr_reg = pbm->controller_regs + SABRE_PIOAFSR; + afar_reg = pbm->controller_regs + SABRE_PIOAFAR; /* Latch error status. */ afar = sabre_read(afar_reg); @@ -755,12 +755,12 @@ static irqreturn_t sabre_pcierr_intr(int irq, void *dev_id) SABRE_PIOAFSR_SMA | SABRE_PIOAFSR_STA | SABRE_PIOAFSR_SRTRY | SABRE_PIOAFSR_SPERR); if (!error_bits) - return sabre_pcierr_intr_other(p); + return sabre_pcierr_intr_other(pbm); sabre_write(afsr_reg, error_bits); /* Log the error. */ - printk("SABRE%d: PCI Error, primary error type[%s]\n", - p->index, + printk("%s: PCI Error, primary error type[%s]\n", + pbm->name, (((error_bits & SABRE_PIOAFSR_PMA) ? "Master Abort" : ((error_bits & SABRE_PIOAFSR_PTA) ? @@ -769,12 +769,12 @@ static irqreturn_t sabre_pcierr_intr(int irq, void *dev_id) "Excessive Retries" : ((error_bits & SABRE_PIOAFSR_PPERR) ? "Parity Error" : "???")))))); - printk("SABRE%d: bytemask[%04lx] was_block(%d)\n", - p->index, + printk("%s: bytemask[%04lx] was_block(%d)\n", + pbm->name, (afsr & SABRE_PIOAFSR_BMSK) >> 32UL, (afsr & SABRE_PIOAFSR_BLK) ? 1 : 0); - printk("SABRE%d: PCI AFAR [%016lx]\n", p->index, afar); - printk("SABRE%d: PCI Secondary errors [", p->index); + printk("%s: PCI AFAR [%016lx]\n", pbm->name, afar); + printk("%s: PCI Secondary errors [", pbm->name); reported = 0; if (afsr & SABRE_PIOAFSR_SMA) { reported++; @@ -806,11 +806,11 @@ static irqreturn_t sabre_pcierr_intr(int irq, void *dev_id) * a bug in the IOMMU support code or a PCI device driver. */ if (error_bits & (SABRE_PIOAFSR_PTA | SABRE_PIOAFSR_STA)) { - sabre_check_iommu_error(p, afsr, afar); - pci_scan_for_target_abort(p, &p->pbm_A, p->pbm_A.pci_bus); + sabre_check_iommu_error(pbm, afsr, afar); + pci_scan_for_target_abort(pbm, pbm->pci_bus); } if (error_bits & (SABRE_PIOAFSR_PMA | SABRE_PIOAFSR_SMA)) - pci_scan_for_master_abort(p, &p->pbm_A, p->pbm_A.pci_bus); + pci_scan_for_master_abort(pbm, pbm->pci_bus); /* For excessive retries, SABRE/PBM will abort the device * and there is no way to specifically check for excessive @@ -820,18 +820,18 @@ static irqreturn_t sabre_pcierr_intr(int irq, void *dev_id) */ if (error_bits & (SABRE_PIOAFSR_PPERR | SABRE_PIOAFSR_SPERR)) - pci_scan_for_parity_error(p, &p->pbm_A, p->pbm_A.pci_bus); + pci_scan_for_parity_error(pbm, pbm->pci_bus); return IRQ_HANDLED; } -static void sabre_register_error_handlers(struct pci_controller_info *p) +static void sabre_register_error_handlers(struct pci_pbm_info *pbm) { - struct pci_pbm_info *pbm = &p->pbm_A; /* arbitrary */ struct device_node *dp = pbm->prom_node; struct of_device *op; unsigned long base = pbm->controller_regs; u64 tmp; + int err; if (pbm->chip_type == PBM_CHIP_TYPE_SABRE) dp = dp->parent; @@ -858,22 +858,31 @@ static void sabre_register_error_handlers(struct pci_controller_info *p) SABRE_UEAFSR_SDRD | SABRE_UEAFSR_SDWR | SABRE_UEAFSR_SDTE | SABRE_UEAFSR_PDTE)); - request_irq(op->irqs[1], sabre_ue_intr, IRQF_SHARED, "SABRE UE", p); + err = request_irq(op->irqs[1], sabre_ue_intr, 0, "SABRE_UE", pbm); + if (err) + printk(KERN_WARNING "%s: Couldn't register UE, err=%d.\n", + pbm->name, err); sabre_write(base + SABRE_CE_AFSR, (SABRE_CEAFSR_PDRD | SABRE_CEAFSR_PDWR | SABRE_CEAFSR_SDRD | SABRE_CEAFSR_SDWR)); - request_irq(op->irqs[2], sabre_ce_intr, IRQF_SHARED, "SABRE CE", p); - request_irq(op->irqs[0], sabre_pcierr_intr, IRQF_SHARED, - "SABRE PCIERR", p); + err = request_irq(op->irqs[2], sabre_ce_intr, 0, "SABRE_CE", pbm); + if (err) + printk(KERN_WARNING "%s: Couldn't register CE, err=%d.\n", + pbm->name, err); + err = request_irq(op->irqs[0], sabre_pcierr_intr, 0, + "SABRE_PCIERR", pbm); + if (err) + printk(KERN_WARNING "%s: Couldn't register PCIERR, err=%d.\n", + pbm->name, err); tmp = sabre_read(base + SABRE_PCICTRL); tmp |= SABRE_PCICTRL_ERREN; sabre_write(base + SABRE_PCICTRL, tmp); } -static void apb_init(struct pci_controller_info *p, struct pci_bus *sabre_bus) +static void apb_init(struct pci_bus *sabre_bus) { struct pci_dev *pdev; @@ -909,7 +918,7 @@ static void apb_init(struct pci_controller_info *p, struct pci_bus *sabre_bus) } } -static void sabre_scan_bus(struct pci_controller_info *p) +static void sabre_scan_bus(struct pci_pbm_info *pbm) { static int once; struct pci_bus *pbus; @@ -918,7 +927,7 @@ static void sabre_scan_bus(struct pci_controller_info *p) * at 66Mhz, but the front side of APB runs at 33Mhz * for both segments. */ - p->pbm_A.is_66mhz_capable = 0; + pbm->is_66mhz_capable = 0; /* This driver has not been verified to handle * multiple SABREs yet, so trap this. @@ -932,41 +941,41 @@ static void sabre_scan_bus(struct pci_controller_info *p) } once++; - pbus = pci_scan_one_pbm(&p->pbm_A); + pbus = pci_scan_one_pbm(pbm); if (!pbus) return; sabre_root_bus = pbus; - apb_init(p, pbus); + apb_init(pbus); - sabre_register_error_handlers(p); + sabre_register_error_handlers(pbm); } -static void sabre_iommu_init(struct pci_controller_info *p, +static void sabre_iommu_init(struct pci_pbm_info *pbm, int tsbsize, unsigned long dvma_offset, u32 dma_mask) { - struct iommu *iommu = p->pbm_A.iommu; + struct iommu *iommu = pbm->iommu; unsigned long i; u64 control; /* Register addresses. */ - iommu->iommu_control = p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL; - iommu->iommu_tsbbase = p->pbm_A.controller_regs + SABRE_IOMMU_TSBBASE; - iommu->iommu_flush = p->pbm_A.controller_regs + SABRE_IOMMU_FLUSH; - iommu->write_complete_reg = p->pbm_A.controller_regs + SABRE_WRSYNC; + iommu->iommu_control = pbm->controller_regs + SABRE_IOMMU_CONTROL; + iommu->iommu_tsbbase = pbm->controller_regs + SABRE_IOMMU_TSBBASE; + iommu->iommu_flush = pbm->controller_regs + SABRE_IOMMU_FLUSH; + iommu->write_complete_reg = pbm->controller_regs + SABRE_WRSYNC; /* Sabre's IOMMU lacks ctx flushing. */ iommu->iommu_ctxflush = 0; /* Invalidate TLB Entries. */ - control = sabre_read(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL); + control = sabre_read(pbm->controller_regs + SABRE_IOMMU_CONTROL); control |= SABRE_IOMMUCTRL_DENAB; - sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL, control); + sabre_write(pbm->controller_regs + SABRE_IOMMU_CONTROL, control); for(i = 0; i < 16; i++) { - sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_TAG + (i * 8UL), 0); - sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_DATA + (i * 8UL), 0); + sabre_write(pbm->controller_regs + SABRE_IOMMU_TAG + (i * 8UL), 0); + sabre_write(pbm->controller_regs + SABRE_IOMMU_DATA + (i * 8UL), 0); } /* Leave diag mode enabled for full-flushing done @@ -974,10 +983,10 @@ static void sabre_iommu_init(struct pci_controller_info *p, */ pci_iommu_table_init(iommu, tsbsize * 1024 * 8, dvma_offset, dma_mask); - sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_TSBBASE, + sabre_write(pbm->controller_regs + SABRE_IOMMU_TSBBASE, __pa(iommu->page_table)); - control = sabre_read(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL); + control = sabre_read(pbm->controller_regs + SABRE_IOMMU_CONTROL); control &= ~(SABRE_IOMMUCTRL_TSBSZ | SABRE_IOMMUCTRL_TBWSZ); control |= SABRE_IOMMUCTRL_ENAB; switch(tsbsize) { @@ -992,22 +1001,23 @@ static void sabre_iommu_init(struct pci_controller_info *p, prom_halt(); break; } - sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL, control); + sabre_write(pbm->controller_regs + SABRE_IOMMU_CONTROL, control); } -static void sabre_pbm_init(struct pci_controller_info *p, struct device_node *dp) +static void sabre_pbm_init(struct pci_controller_info *p, struct pci_pbm_info *pbm, struct device_node *dp) { - struct pci_pbm_info *pbm; - - pbm = &p->pbm_A; pbm->name = dp->full_name; printk("%s: SABRE PCI Bus Module\n", pbm->name); + pbm->scan_bus = sabre_scan_bus; + pbm->pci_ops = &sabre_ops; + + pbm->index = pci_num_pbms++; + pbm->chip_type = PBM_CHIP_TYPE_SABRE; pbm->parent = p; pbm->prom_node = dp; - pbm->pci_first_busno = p->pci_first_busno; - pbm->pci_last_busno = p->pci_last_busno; + pci_get_pbm_props(pbm); pci_determine_mem_io_space(pbm); } @@ -1016,9 +1026,9 @@ void sabre_init(struct device_node *dp, char *model_name) { const struct linux_prom64_registers *pr_regs; struct pci_controller_info *p; + struct pci_pbm_info *pbm; struct iommu *iommu; int tsbsize; - const u32 *busrange; const u32 *vdma; u32 upa_portid, dma_mask; u64 clear_irq; @@ -1053,17 +1063,15 @@ void sabre_init(struct device_node *dp, char *model_name) prom_printf("SABRE: Error, kmalloc(pci_iommu) failed.\n"); prom_halt(); } - p->pbm_A.iommu = iommu; + pbm = &p->pbm_A; + pbm->iommu = iommu; upa_portid = of_getintprop_default(dp, "upa-portid", 0xff); - p->next = pci_controller_root; - pci_controller_root = p; + pbm->next = pci_pbm_root; + pci_pbm_root = pbm; - p->pbm_A.portid = upa_portid; - p->index = pci_num_controllers++; - p->scan_bus = sabre_scan_bus; - p->pci_ops = &sabre_ops; + pbm->portid = upa_portid; /* * Map in SABRE register set and report the presence of this SABRE. @@ -1074,26 +1082,26 @@ void sabre_init(struct device_node *dp, char *model_name) /* * First REG in property is base of entire SABRE register space. */ - p->pbm_A.controller_regs = pr_regs[0].phys_addr; + pbm->controller_regs = pr_regs[0].phys_addr; /* Clear interrupts */ /* PCI first */ for (clear_irq = SABRE_ICLR_A_SLOT0; clear_irq < SABRE_ICLR_B_SLOT0 + 0x80; clear_irq += 8) - sabre_write(p->pbm_A.controller_regs + clear_irq, 0x0UL); + sabre_write(pbm->controller_regs + clear_irq, 0x0UL); /* Then OBIO */ for (clear_irq = SABRE_ICLR_SCSI; clear_irq < SABRE_ICLR_SCSI + 0x80; clear_irq += 8) - sabre_write(p->pbm_A.controller_regs + clear_irq, 0x0UL); + sabre_write(pbm->controller_regs + clear_irq, 0x0UL); /* Error interrupts are enabled later after the bus scan. */ - sabre_write(p->pbm_A.controller_regs + SABRE_PCICTRL, + sabre_write(pbm->controller_regs + SABRE_PCICTRL, (SABRE_PCICTRL_MRLEN | SABRE_PCICTRL_SERR | SABRE_PCICTRL_ARBPARK | SABRE_PCICTRL_AEN)); /* Now map in PCI config space for entire SABRE. */ - p->pbm_A.config_space = - (p->pbm_A.controller_regs + SABRE_CONFIGSPACE); + pbm->config_space = + (pbm->controller_regs + SABRE_CONFIGSPACE); vdma = of_get_property(dp, "virtual-dma", NULL); @@ -1117,14 +1125,10 @@ void sabre_init(struct device_node *dp, char *model_name) prom_halt(); } - sabre_iommu_init(p, tsbsize, vdma[0], dma_mask); - - busrange = of_get_property(dp, "bus-range", NULL); - p->pci_first_busno = busrange[0]; - p->pci_last_busno = busrange[1]; + sabre_iommu_init(pbm, tsbsize, vdma[0], dma_mask); /* * Look for APB underneath. */ - sabre_pbm_init(p, dp); + sabre_pbm_init(p, pbm, dp); } diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c index 91a7385e5d32..e375d72b8eed 100644 --- a/arch/sparc64/kernel/pci_schizo.c +++ b/arch/sparc64/kernel/pci_schizo.c @@ -10,12 +10,13 @@ #include <linux/slab.h> #include <linux/interrupt.h> -#include <asm/pbm.h> #include <asm/iommu.h> #include <asm/irq.h> #include <asm/upa.h> #include <asm/pstate.h> #include <asm/prom.h> +#include <asm/of_device.h> +#include <asm/oplib.h> #include "pci_impl.h" #include "iommu_common.h" @@ -238,25 +239,6 @@ static unsigned long stc_line_buf[16]; #define SCHIZO_PCIERR_B_INO 0x33 /* PBM B PCI bus error */ #define SCHIZO_SERR_INO 0x34 /* Safari interface error */ -struct pci_pbm_info *pbm_for_ino(struct pci_controller_info *p, u32 ino) -{ - ino &= IMAP_INO; - if (p->pbm_A.ino_bitmap & (1UL << ino)) - return &p->pbm_A; - if (p->pbm_B.ino_bitmap & (1UL << ino)) - return &p->pbm_B; - - printk("PCI%d: No ino_bitmap entry for ino[%x], bitmaps " - "PBM_A[%016lx] PBM_B[%016lx]", - p->index, ino, - p->pbm_A.ino_bitmap, - p->pbm_B.ino_bitmap); - printk("PCI%d: Using PBM_A, report this problem immediately.\n", - p->index); - - return &p->pbm_A; -} - #define SCHIZO_STC_ERR 0xb800UL /* --> 0xba00 */ #define SCHIZO_STC_TAG 0xba00UL /* --> 0xba80 */ #define SCHIZO_STC_LINE 0xbb00UL /* --> 0xbb80 */ @@ -522,9 +504,10 @@ static void schizo_check_iommu_error(struct pci_controller_info *p, static irqreturn_t schizo_ue_intr(int irq, void *dev_id) { - struct pci_controller_info *p = dev_id; - unsigned long afsr_reg = p->pbm_B.controller_regs + SCHIZO_UE_AFSR; - unsigned long afar_reg = p->pbm_B.controller_regs + SCHIZO_UE_AFAR; + struct pci_pbm_info *pbm = dev_id; + struct pci_controller_info *p = pbm->parent; + unsigned long afsr_reg = pbm->controller_regs + SCHIZO_UE_AFSR; + unsigned long afar_reg = pbm->controller_regs + SCHIZO_UE_AFAR; unsigned long afsr, afar, error_bits; int reported, limit; @@ -549,28 +532,28 @@ static irqreturn_t schizo_ue_intr(int irq, void *dev_id) schizo_write(afsr_reg, error_bits); /* Log the error. */ - printk("PCI%d: Uncorrectable Error, primary error type[%s]\n", - p->index, + printk("%s: Uncorrectable Error, primary error type[%s]\n", + pbm->name, (((error_bits & SCHIZO_UEAFSR_PPIO) ? "PIO" : ((error_bits & SCHIZO_UEAFSR_PDRD) ? "DMA Read" : ((error_bits & SCHIZO_UEAFSR_PDWR) ? "DMA Write" : "???"))))); - printk("PCI%d: bytemask[%04lx] qword_offset[%lx] SAFARI_AID[%02lx]\n", - p->index, + printk("%s: bytemask[%04lx] qword_offset[%lx] SAFARI_AID[%02lx]\n", + pbm->name, (afsr & SCHIZO_UEAFSR_BMSK) >> 32UL, (afsr & SCHIZO_UEAFSR_QOFF) >> 30UL, (afsr & SCHIZO_UEAFSR_AID) >> 24UL); - printk("PCI%d: partial[%d] owned_in[%d] mtag[%lx] mtag_synd[%lx] ecc_sync[%lx]\n", - p->index, + printk("%s: partial[%d] owned_in[%d] mtag[%lx] mtag_synd[%lx] ecc_sync[%lx]\n", + pbm->name, (afsr & SCHIZO_UEAFSR_PARTIAL) ? 1 : 0, (afsr & SCHIZO_UEAFSR_OWNEDIN) ? 1 : 0, (afsr & SCHIZO_UEAFSR_MTAG) >> 13UL, (afsr & SCHIZO_UEAFSR_MTAGSYND) >> 16UL, (afsr & SCHIZO_UEAFSR_ECCSYND) >> 0UL); - printk("PCI%d: UE AFAR [%016lx]\n", p->index, afar); - printk("PCI%d: UE Secondary errors [", p->index); + printk("%s: UE AFAR [%016lx]\n", pbm->name, afar); + printk("%s: UE Secondary errors [", pbm->name); reported = 0; if (afsr & SCHIZO_UEAFSR_SPIO) { reported++; @@ -610,9 +593,9 @@ static irqreturn_t schizo_ue_intr(int irq, void *dev_id) static irqreturn_t schizo_ce_intr(int irq, void *dev_id) { - struct pci_controller_info *p = dev_id; - unsigned long afsr_reg = p->pbm_B.controller_regs + SCHIZO_CE_AFSR; - unsigned long afar_reg = p->pbm_B.controller_regs + SCHIZO_CE_AFAR; + struct pci_pbm_info *pbm = dev_id; + unsigned long afsr_reg = pbm->controller_regs + SCHIZO_CE_AFSR; + unsigned long afar_reg = pbm->controller_regs + SCHIZO_CE_AFAR; unsigned long afsr, afar, error_bits; int reported, limit; @@ -637,8 +620,8 @@ static irqreturn_t schizo_ce_intr(int irq, void *dev_id) schizo_write(afsr_reg, error_bits); /* Log the error. */ - printk("PCI%d: Correctable Error, primary error type[%s]\n", - p->index, + printk("%s: Correctable Error, primary error type[%s]\n", + pbm->name, (((error_bits & SCHIZO_CEAFSR_PPIO) ? "PIO" : ((error_bits & SCHIZO_CEAFSR_PDRD) ? @@ -649,20 +632,20 @@ static irqreturn_t schizo_ce_intr(int irq, void *dev_id) /* XXX Use syndrome and afar to print out module string just like * XXX UDB CE trap handler does... -DaveM */ - printk("PCI%d: bytemask[%04lx] qword_offset[%lx] SAFARI_AID[%02lx]\n", - p->index, + printk("%s: bytemask[%04lx] qword_offset[%lx] SAFARI_AID[%02lx]\n", + pbm->name, (afsr & SCHIZO_UEAFSR_BMSK) >> 32UL, (afsr & SCHIZO_UEAFSR_QOFF) >> 30UL, (afsr & SCHIZO_UEAFSR_AID) >> 24UL); - printk("PCI%d: partial[%d] owned_in[%d] mtag[%lx] mtag_synd[%lx] ecc_sync[%lx]\n", - p->index, + printk("%s: partial[%d] owned_in[%d] mtag[%lx] mtag_synd[%lx] ecc_sync[%lx]\n", + pbm->name, (afsr & SCHIZO_UEAFSR_PARTIAL) ? 1 : 0, (afsr & SCHIZO_UEAFSR_OWNEDIN) ? 1 : 0, (afsr & SCHIZO_UEAFSR_MTAG) >> 13UL, (afsr & SCHIZO_UEAFSR_MTAGSYND) >> 16UL, (afsr & SCHIZO_UEAFSR_ECCSYND) >> 0UL); - printk("PCI%d: CE AFAR [%016lx]\n", p->index, afar); - printk("PCI%d: CE Secondary errors [", p->index); + printk("%s: CE AFAR [%016lx]\n", pbm->name, afar); + printk("%s: CE Secondary errors [", pbm->name); reported = 0; if (afsr & SCHIZO_CEAFSR_SPIO) { reported++; @@ -881,10 +864,10 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id) */ if (error_bits & (SCHIZO_PCIAFSR_PTA | SCHIZO_PCIAFSR_STA)) { schizo_check_iommu_error(p, PCI_ERR); - pci_scan_for_target_abort(p, pbm, pbm->pci_bus); + pci_scan_for_target_abort(pbm, pbm->pci_bus); } if (error_bits & (SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_SMA)) - pci_scan_for_master_abort(p, pbm, pbm->pci_bus); + pci_scan_for_master_abort(pbm, pbm->pci_bus); /* For excessive retries, PSYCHO/PBM will abort the device * and there is no way to specifically check for excessive @@ -894,7 +877,7 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id) */ if (error_bits & (SCHIZO_PCIAFSR_PPERR | SCHIZO_PCIAFSR_SPERR)) - pci_scan_for_parity_error(p, pbm, pbm->pci_bus); + pci_scan_for_parity_error(pbm, pbm->pci_bus); return IRQ_HANDLED; } @@ -940,22 +923,23 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id) */ static irqreturn_t schizo_safarierr_intr(int irq, void *dev_id) { - struct pci_controller_info *p = dev_id; + struct pci_pbm_info *pbm = dev_id; + struct pci_controller_info *p = pbm->parent; u64 errlog; - errlog = schizo_read(p->pbm_B.controller_regs + SCHIZO_SAFARI_ERRLOG); - schizo_write(p->pbm_B.controller_regs + SCHIZO_SAFARI_ERRLOG, + errlog = schizo_read(pbm->controller_regs + SCHIZO_SAFARI_ERRLOG); + schizo_write(pbm->controller_regs + SCHIZO_SAFARI_ERRLOG, errlog & ~(SAFARI_ERRLOG_ERROUT)); if (!(errlog & BUS_ERROR_UNMAP)) { - printk("PCI%d: Unexpected Safari/JBUS error interrupt, errlog[%016lx]\n", - p->index, errlog); + printk("%s: Unexpected Safari/JBUS error interrupt, errlog[%016lx]\n", + pbm->name, errlog); return IRQ_HANDLED; } - printk("PCI%d: Safari/JBUS interrupt, UNMAPPED error, interrogating IOMMUs.\n", - p->index); + printk("%s: Safari/JBUS interrupt, UNMAPPED error, interrogating IOMMUs.\n", + pbm->name); schizo_check_iommu_error(p, SAFARI_ERR); return IRQ_HANDLED; @@ -972,6 +956,16 @@ static irqreturn_t schizo_safarierr_intr(int irq, void *dev_id) #define SCHIZO_SAFARI_IRQCTRL 0x10010UL #define SCHIZO_SAFIRQCTRL_EN 0x8000000000000000UL +static int pbm_routes_this_ino(struct pci_pbm_info *pbm, u32 ino) +{ + ino &= IMAP_INO; + + if (pbm->ino_bitmap & (1UL << ino)) + return 1; + + return 0; +} + /* How the Tomatillo IRQs are routed around is pure guesswork here. * * All the Tomatillo devices I see in prtconf dumps seem to have only @@ -986,11 +980,11 @@ static irqreturn_t schizo_safarierr_intr(int irq, void *dev_id) * PCI bus units of the same Tomatillo. I still have not really * figured this out... */ -static void tomatillo_register_error_handlers(struct pci_controller_info *p) +static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm) { - struct pci_pbm_info *pbm; - struct of_device *op; + struct of_device *op = of_find_device_by_node(pbm->prom_node); u64 tmp, err_mask, err_no_mask; + int err; /* Tomatillo IRQ property layout is: * 0: PCIERR @@ -1000,44 +994,42 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p) * 4: POWER FAIL? */ - pbm = pbm_for_ino(p, SCHIZO_UE_INO); - op = of_find_device_by_node(pbm->prom_node); - if (op) - request_irq(op->irqs[1], schizo_ue_intr, IRQF_SHARED, - "TOMATILLO_UE", p); - - pbm = pbm_for_ino(p, SCHIZO_CE_INO); - op = of_find_device_by_node(pbm->prom_node); - if (op) - request_irq(op->irqs[2], schizo_ce_intr, IRQF_SHARED, - "TOMATILLO CE", p); - - pbm = pbm_for_ino(p, SCHIZO_PCIERR_A_INO); - op = of_find_device_by_node(pbm->prom_node); - if (op) - request_irq(op->irqs[0], schizo_pcierr_intr, IRQF_SHARED, - "TOMATILLO PCIERR-A", pbm); - - - pbm = pbm_for_ino(p, SCHIZO_PCIERR_B_INO); - op = of_find_device_by_node(pbm->prom_node); - if (op) - request_irq(op->irqs[0], schizo_pcierr_intr, IRQF_SHARED, - "TOMATILLO PCIERR-B", pbm); - - pbm = pbm_for_ino(p, SCHIZO_SERR_INO); - op = of_find_device_by_node(pbm->prom_node); - if (op) - request_irq(op->irqs[3], schizo_safarierr_intr, IRQF_SHARED, - "TOMATILLO SERR", p); + if (pbm_routes_this_ino(pbm, SCHIZO_UE_INO)) { + err = request_irq(op->irqs[1], schizo_ue_intr, 0, + "TOMATILLO_UE", pbm); + if (err) + printk(KERN_WARNING "%s: Could not register UE, " + "err=%d\n", pbm->name, err); + } + if (pbm_routes_this_ino(pbm, SCHIZO_CE_INO)) { + err = request_irq(op->irqs[2], schizo_ce_intr, 0, + "TOMATILLO_CE", pbm); + if (err) + printk(KERN_WARNING "%s: Could not register CE, " + "err=%d\n", pbm->name, err); + } + err = 0; + if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_A_INO)) { + err = request_irq(op->irqs[0], schizo_pcierr_intr, 0, + "TOMATILLO_PCIERR", pbm); + } else if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_B_INO)) { + err = request_irq(op->irqs[0], schizo_pcierr_intr, 0, + "TOMATILLO_PCIERR", pbm); + } + if (err) + printk(KERN_WARNING "%s: Could not register PCIERR, " + "err=%d\n", pbm->name, err); + + if (pbm_routes_this_ino(pbm, SCHIZO_SERR_INO)) { + err = request_irq(op->irqs[3], schizo_safarierr_intr, 0, + "TOMATILLO_SERR", pbm); + if (err) + printk(KERN_WARNING "%s: Could not register SERR, " + "err=%d\n", pbm->name, err); + } /* Enable UE and CE interrupts for controller. */ - schizo_write(p->pbm_A.controller_regs + SCHIZO_ECC_CTRL, - (SCHIZO_ECCCTRL_EE | - SCHIZO_ECCCTRL_UE | - SCHIZO_ECCCTRL_CE)); - - schizo_write(p->pbm_B.controller_regs + SCHIZO_ECC_CTRL, + schizo_write(pbm->controller_regs + SCHIZO_ECC_CTRL, (SCHIZO_ECCCTRL_EE | SCHIZO_ECCCTRL_UE | SCHIZO_ECCCTRL_CE)); @@ -1053,15 +1045,10 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p) err_no_mask = SCHIZO_PCICTRL_DTO_ERR; - tmp = schizo_read(p->pbm_A.pbm_regs + SCHIZO_PCI_CTRL); - tmp |= err_mask; - tmp &= ~err_no_mask; - schizo_write(p->pbm_A.pbm_regs + SCHIZO_PCI_CTRL, tmp); - - tmp = schizo_read(p->pbm_B.pbm_regs + SCHIZO_PCI_CTRL); + tmp = schizo_read(pbm->pbm_regs + SCHIZO_PCI_CTRL); tmp |= err_mask; tmp &= ~err_no_mask; - schizo_write(p->pbm_B.pbm_regs + SCHIZO_PCI_CTRL, tmp); + schizo_write(pbm->pbm_regs + SCHIZO_PCI_CTRL, tmp); err_mask = (SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_PTA | SCHIZO_PCIAFSR_PRTRY | SCHIZO_PCIAFSR_PPERR | @@ -1070,8 +1057,7 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p) SCHIZO_PCIAFSR_SRTRY | SCHIZO_PCIAFSR_SPERR | SCHIZO_PCIAFSR_STTO); - schizo_write(p->pbm_A.pbm_regs + SCHIZO_PCI_AFSR, err_mask); - schizo_write(p->pbm_B.pbm_regs + SCHIZO_PCI_AFSR, err_mask); + schizo_write(pbm->pbm_regs + SCHIZO_PCI_AFSR, err_mask); err_mask = (BUS_ERROR_BADCMD | BUS_ERROR_SNOOP_GR | BUS_ERROR_SNOOP_PCI | BUS_ERROR_SNOOP_RD | @@ -1083,22 +1069,18 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p) BUS_ERROR_APERR | BUS_ERROR_UNMAP | BUS_ERROR_BUSERR | BUS_ERROR_TIMEOUT); - schizo_write(p->pbm_A.controller_regs + SCHIZO_SAFARI_ERRCTRL, - (SCHIZO_SAFERRCTRL_EN | err_mask)); - schizo_write(p->pbm_B.controller_regs + SCHIZO_SAFARI_ERRCTRL, + schizo_write(pbm->controller_regs + SCHIZO_SAFARI_ERRCTRL, (SCHIZO_SAFERRCTRL_EN | err_mask)); - schizo_write(p->pbm_A.controller_regs + SCHIZO_SAFARI_IRQCTRL, - (SCHIZO_SAFIRQCTRL_EN | (BUS_ERROR_UNMAP))); - schizo_write(p->pbm_B.controller_regs + SCHIZO_SAFARI_IRQCTRL, + schizo_write(pbm->controller_regs + SCHIZO_SAFARI_IRQCTRL, (SCHIZO_SAFIRQCTRL_EN | (BUS_ERROR_UNMAP))); } -static void schizo_register_error_handlers(struct pci_controller_info *p) +static void schizo_register_error_handlers(struct pci_pbm_info *pbm) { - struct pci_pbm_info *pbm; - struct of_device *op; + struct of_device *op = of_find_device_by_node(pbm->prom_node); u64 tmp, err_mask, err_no_mask; + int err; /* Schizo IRQ property layout is: * 0: PCIERR @@ -1108,39 +1090,42 @@ static void schizo_register_error_handlers(struct pci_controller_info *p) * 4: POWER FAIL? */ - pbm = pbm_for_ino(p, SCHIZO_UE_INO); - op = of_find_device_by_node(pbm->prom_node); - if (op) - request_irq(op->irqs[1], schizo_ue_intr, IRQF_SHARED, - "SCHIZO_UE", p); - - pbm = pbm_for_ino(p, SCHIZO_CE_INO); - op = of_find_device_by_node(pbm->prom_node); - if (op) - request_irq(op->irqs[2], schizo_ce_intr, IRQF_SHARED, - "SCHIZO CE", p); - - pbm = pbm_for_ino(p, SCHIZO_PCIERR_A_INO); - op = of_find_device_by_node(pbm->prom_node); - if (op) - request_irq(op->irqs[0], schizo_pcierr_intr, IRQF_SHARED, - "SCHIZO PCIERR-A", pbm); - - - pbm = pbm_for_ino(p, SCHIZO_PCIERR_B_INO); - op = of_find_device_by_node(pbm->prom_node); - if (op) - request_irq(op->irqs[0], schizo_pcierr_intr, IRQF_SHARED, - "SCHIZO PCIERR-B", pbm); - - pbm = pbm_for_ino(p, SCHIZO_SERR_INO); - op = of_find_device_by_node(pbm->prom_node); - if (op) - request_irq(op->irqs[3], schizo_safarierr_intr, IRQF_SHARED, - "SCHIZO SERR", p); + if (pbm_routes_this_ino(pbm, SCHIZO_UE_INO)) { + err = request_irq(op->irqs[1], schizo_ue_intr, 0, + "SCHIZO_UE", pbm); + if (err) + printk(KERN_WARNING "%s: Could not register UE, " + "err=%d\n", pbm->name, err); + } + if (pbm_routes_this_ino(pbm, SCHIZO_CE_INO)) { + err = request_irq(op->irqs[2], schizo_ce_intr, 0, + "SCHIZO_CE", pbm); + if (err) + printk(KERN_WARNING "%s: Could not register CE, " + "err=%d\n", pbm->name, err); + } + err = 0; + if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_A_INO)) { + err = request_irq(op->irqs[0], schizo_pcierr_intr, 0, + "SCHIZO_PCIERR", pbm); + } else if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_B_INO)) { + err = request_irq(op->irqs[0], schizo_pcierr_intr, 0, + "SCHIZO_PCIERR", pbm); + } + if (err) + printk(KERN_WARNING "%s: Could not register PCIERR, " + "err=%d\n", pbm->name, err); + + if (pbm_routes_this_ino(pbm, SCHIZO_SERR_INO)) { + err = request_irq(op->irqs[3], schizo_safarierr_intr, 0, + "SCHIZO_SERR", pbm); + if (err) + printk(KERN_WARNING "%s: Could not register SERR, " + "err=%d\n", pbm->name, err); + } /* Enable UE and CE interrupts for controller. */ - schizo_write(p->pbm_A.controller_regs + SCHIZO_ECC_CTRL, + schizo_write(pbm->controller_regs + SCHIZO_ECC_CTRL, (SCHIZO_ECCCTRL_EE | SCHIZO_ECCCTRL_UE | SCHIZO_ECCCTRL_CE)); @@ -1159,25 +1144,12 @@ static void schizo_register_error_handlers(struct pci_controller_info *p) /* Enable PCI Error interrupts and clear error * bits for each PBM. */ - tmp = schizo_read(p->pbm_A.pbm_regs + SCHIZO_PCI_CTRL); - tmp |= err_mask; - tmp &= ~err_no_mask; - schizo_write(p->pbm_A.pbm_regs + SCHIZO_PCI_CTRL, tmp); - - schizo_write(p->pbm_A.pbm_regs + SCHIZO_PCI_AFSR, - (SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_PTA | - SCHIZO_PCIAFSR_PRTRY | SCHIZO_PCIAFSR_PPERR | - SCHIZO_PCIAFSR_PTTO | SCHIZO_PCIAFSR_PUNUS | - SCHIZO_PCIAFSR_SMA | SCHIZO_PCIAFSR_STA | - SCHIZO_PCIAFSR_SRTRY | SCHIZO_PCIAFSR_SPERR | - SCHIZO_PCIAFSR_STTO | SCHIZO_PCIAFSR_SUNUS)); - - tmp = schizo_read(p->pbm_B.pbm_regs + SCHIZO_PCI_CTRL); + tmp = schizo_read(pbm->pbm_regs + SCHIZO_PCI_CTRL); tmp |= err_mask; tmp &= ~err_no_mask; - schizo_write(p->pbm_B.pbm_regs + SCHIZO_PCI_CTRL, tmp); + schizo_write(pbm->pbm_regs + SCHIZO_PCI_CTRL, tmp); - schizo_write(p->pbm_B.pbm_regs + SCHIZO_PCI_AFSR, + schizo_write(pbm->pbm_regs + SCHIZO_PCI_AFSR, (SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_PTA | SCHIZO_PCIAFSR_PRTRY | SCHIZO_PCIAFSR_PPERR | SCHIZO_PCIAFSR_PTTO | SCHIZO_PCIAFSR_PUNUS | @@ -1210,11 +1182,8 @@ static void schizo_register_error_handlers(struct pci_controller_info *p) BUS_ERROR_CPU0PS | BUS_ERROR_CPU0PB); #endif - schizo_write(p->pbm_A.controller_regs + SCHIZO_SAFARI_ERRCTRL, + schizo_write(pbm->controller_regs + SCHIZO_SAFARI_ERRCTRL, (SCHIZO_SAFERRCTRL_EN | err_mask)); - - schizo_write(p->pbm_A.controller_regs + SCHIZO_SAFARI_IRQCTRL, - (SCHIZO_SAFIRQCTRL_EN | (BUS_ERROR_UNMAP))); } static void pbm_config_busmastering(struct pci_pbm_info *pbm) @@ -1234,27 +1203,19 @@ static void pbm_config_busmastering(struct pci_pbm_info *pbm) pci_config_write8(addr, 64); } -static void schizo_scan_bus(struct pci_controller_info *p) +static void schizo_scan_bus(struct pci_pbm_info *pbm) { - pbm_config_busmastering(&p->pbm_B); - p->pbm_B.is_66mhz_capable = - (of_find_property(p->pbm_B.prom_node, "66mhz-capable", NULL) - != NULL); - pbm_config_busmastering(&p->pbm_A); - p->pbm_A.is_66mhz_capable = - (of_find_property(p->pbm_A.prom_node, "66mhz-capable", NULL) + pbm_config_busmastering(pbm); + pbm->is_66mhz_capable = + (of_find_property(pbm->prom_node, "66mhz-capable", NULL) != NULL); - p->pbm_B.pci_bus = pci_scan_one_pbm(&p->pbm_B); - p->pbm_A.pci_bus = pci_scan_one_pbm(&p->pbm_A); + pbm->pci_bus = pci_scan_one_pbm(pbm); - /* After the PCI bus scan is complete, we can register - * the error interrupt handlers. - */ - if (p->pbm_B.chip_type == PBM_CHIP_TYPE_TOMATILLO) - tomatillo_register_error_handlers(p); + if (pbm->chip_type == PBM_CHIP_TYPE_TOMATILLO) + tomatillo_register_error_handlers(pbm); else - schizo_register_error_handlers(p); + schizo_register_error_handlers(pbm); } #define SCHIZO_STRBUF_CONTROL (0x02800UL) @@ -1491,10 +1452,8 @@ static void schizo_pbm_init(struct pci_controller_info *p, int chip_type) { const struct linux_prom64_registers *regs; - const unsigned int *busrange; struct pci_pbm_info *pbm; const char *chipset_name; - const u32 *ino_bitmap; int is_pbm_a; switch (chip_type) { @@ -1531,6 +1490,14 @@ static void schizo_pbm_init(struct pci_controller_info *p, else pbm = &p->pbm_B; + pbm->next = pci_pbm_root; + pci_pbm_root = pbm; + + pbm->scan_bus = schizo_scan_bus; + pbm->pci_ops = &schizo_ops; + + pbm->index = pci_num_pbms++; + pbm->portid = portid; pbm->parent = p; pbm->prom_node = dp; @@ -1555,13 +1522,7 @@ static void schizo_pbm_init(struct pci_controller_info *p, pci_determine_mem_io_space(pbm); - ino_bitmap = of_get_property(dp, "ino-bitmap", NULL); - pbm->ino_bitmap = (((u64)ino_bitmap[1] << 32UL) | - ((u64)ino_bitmap[0] << 0UL)); - - busrange = of_get_property(dp, "bus-range", NULL); - pbm->pci_first_busno = busrange[0]; - pbm->pci_last_busno = busrange[1]; + pci_get_pbm_props(pbm); schizo_pbm_iommu_init(pbm); schizo_pbm_strbuf_init(pbm); @@ -1580,23 +1541,15 @@ static inline int portid_compare(u32 x, u32 y, int chip_type) static void __schizo_init(struct device_node *dp, char *model_name, int chip_type) { struct pci_controller_info *p; + struct pci_pbm_info *pbm; struct iommu *iommu; u32 portid; portid = of_getintprop_default(dp, "portid", 0xff); - for (p = pci_controller_root; p; p = p->next) { - struct pci_pbm_info *pbm; - - if (p->pbm_A.prom_node && p->pbm_B.prom_node) - continue; - - pbm = (p->pbm_A.prom_node ? - &p->pbm_A : - &p->pbm_B); - + for (pbm = pci_pbm_root; pbm; pbm = pbm->next) { if (portid_compare(pbm->portid, portid, chip_type)) { - schizo_pbm_init(p, dp, portid, chip_type); + schizo_pbm_init(pbm->parent, dp, portid, chip_type); return; } } @@ -1617,13 +1570,6 @@ static void __schizo_init(struct device_node *dp, char *model_name, int chip_typ p->pbm_B.iommu = iommu; - p->next = pci_controller_root; - pci_controller_root = p; - - p->index = pci_num_controllers++; - p->scan_bus = schizo_scan_bus; - p->pci_ops = &schizo_ops; - /* Like PSYCHO we have a 2GB aligned area for memory space. */ pci_memspace_mask = 0x7fffffffUL; diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index 1ccf4c9a9a43..0c76a8891a96 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -13,7 +13,6 @@ #include <linux/irq.h> #include <linux/msi.h> -#include <asm/pbm.h> #include <asm/iommu.h> #include <asm/irq.h> #include <asm/upa.h> @@ -677,29 +676,15 @@ static struct pci_ops pci_sun4v_ops = { }; -static void pbm_scan_bus(struct pci_controller_info *p, - struct pci_pbm_info *pbm) -{ - pbm->pci_bus = pci_scan_one_pbm(pbm); -} - -static void pci_sun4v_scan_bus(struct pci_controller_info *p) +static void pci_sun4v_scan_bus(struct pci_pbm_info *pbm) { struct property *prop; struct device_node *dp; - if ((dp = p->pbm_A.prom_node) != NULL) { - prop = of_find_property(dp, "66mhz-capable", NULL); - p->pbm_A.is_66mhz_capable = (prop != NULL); - - pbm_scan_bus(p, &p->pbm_A); - } - if ((dp = p->pbm_B.prom_node) != NULL) { - prop = of_find_property(dp, "66mhz-capable", NULL); - p->pbm_B.is_66mhz_capable = (prop != NULL); - - pbm_scan_bus(p, &p->pbm_B); - } + dp = pbm->prom_node; + prop = of_find_property(dp, "66mhz-capable", NULL); + pbm->is_66mhz_capable = (prop != NULL); + pbm->pci_bus = pci_scan_one_pbm(pbm); /* XXX register error interrupt handlers XXX */ } @@ -802,20 +787,6 @@ static void pci_sun4v_iommu_init(struct pci_pbm_info *pbm) pbm->name, sz); } -static void pci_sun4v_get_bus_range(struct pci_pbm_info *pbm) -{ - struct property *prop; - unsigned int *busrange; - - prop = of_find_property(pbm->prom_node, "bus-range", NULL); - - busrange = prop->value; - - pbm->pci_first_busno = busrange[0]; - pbm->pci_last_busno = busrange[1]; - -} - #ifdef CONFIG_PCI_MSI struct pci_sun4v_msiq_entry { u64 version_type; @@ -1019,114 +990,6 @@ h_error: return -EINVAL; } -static void pci_sun4v_msi_init(struct pci_pbm_info *pbm) -{ - const u32 *val; - int len; - - val = of_get_property(pbm->prom_node, "#msi-eqs", &len); - if (!val || len != 4) - goto no_msi; - pbm->msiq_num = *val; - if (pbm->msiq_num) { - const struct msiq_prop { - u32 first_msiq; - u32 num_msiq; - u32 first_devino; - } *mqp; - const struct msi_range_prop { - u32 first_msi; - u32 num_msi; - } *mrng; - const struct addr_range_prop { - u32 msi32_high; - u32 msi32_low; - u32 msi32_len; - u32 msi64_high; - u32 msi64_low; - u32 msi64_len; - } *arng; - - val = of_get_property(pbm->prom_node, "msi-eq-size", &len); - if (!val || len != 4) - goto no_msi; - - pbm->msiq_ent_count = *val; - - mqp = of_get_property(pbm->prom_node, - "msi-eq-to-devino", &len); - if (!mqp || len != sizeof(struct msiq_prop)) - goto no_msi; - - pbm->msiq_first = mqp->first_msiq; - pbm->msiq_first_devino = mqp->first_devino; - - val = of_get_property(pbm->prom_node, "#msi", &len); - if (!val || len != 4) - goto no_msi; - pbm->msi_num = *val; - - mrng = of_get_property(pbm->prom_node, "msi-ranges", &len); - if (!mrng || len != sizeof(struct msi_range_prop)) - goto no_msi; - pbm->msi_first = mrng->first_msi; - - val = of_get_property(pbm->prom_node, "msi-data-mask", &len); - if (!val || len != 4) - goto no_msi; - pbm->msi_data_mask = *val; - - val = of_get_property(pbm->prom_node, "msix-data-width", &len); - if (!val || len != 4) - goto no_msi; - pbm->msix_data_width = *val; - - arng = of_get_property(pbm->prom_node, "msi-address-ranges", - &len); - if (!arng || len != sizeof(struct addr_range_prop)) - goto no_msi; - pbm->msi32_start = ((u64)arng->msi32_high << 32) | - (u64) arng->msi32_low; - pbm->msi64_start = ((u64)arng->msi64_high << 32) | - (u64) arng->msi64_low; - pbm->msi32_len = arng->msi32_len; - pbm->msi64_len = arng->msi64_len; - - if (msi_bitmap_alloc(pbm)) - goto no_msi; - - if (msi_queue_alloc(pbm)) { - msi_bitmap_free(pbm); - goto no_msi; - } - - printk(KERN_INFO "%s: MSI Queue first[%u] num[%u] count[%u] " - "devino[0x%x]\n", - pbm->name, - pbm->msiq_first, pbm->msiq_num, - pbm->msiq_ent_count, - pbm->msiq_first_devino); - printk(KERN_INFO "%s: MSI first[%u] num[%u] mask[0x%x] " - "width[%u]\n", - pbm->name, - pbm->msi_first, pbm->msi_num, pbm->msi_data_mask, - pbm->msix_data_width); - printk(KERN_INFO "%s: MSI addr32[0x%lx:0x%x] " - "addr64[0x%lx:0x%x]\n", - pbm->name, - pbm->msi32_start, pbm->msi32_len, - pbm->msi64_start, pbm->msi64_len); - printk(KERN_INFO "%s: MSI queues at RA [%p]\n", - pbm->name, - pbm->msi_queues); - } - - return; - -no_msi: - pbm->msiq_num = 0; - printk(KERN_INFO "%s: No MSI support.\n", pbm->name); -} static int alloc_msi(struct pci_pbm_info *pbm) { @@ -1245,6 +1108,117 @@ static void pci_sun4v_teardown_msi_irq(unsigned int virt_irq, */ sun4v_destroy_msi(virt_irq); } + +static void pci_sun4v_msi_init(struct pci_pbm_info *pbm) +{ + const u32 *val; + int len; + + val = of_get_property(pbm->prom_node, "#msi-eqs", &len); + if (!val || len != 4) + goto no_msi; + pbm->msiq_num = *val; + if (pbm->msiq_num) { + const struct msiq_prop { + u32 first_msiq; + u32 num_msiq; + u32 first_devino; + } *mqp; + const struct msi_range_prop { + u32 first_msi; + u32 num_msi; + } *mrng; + const struct addr_range_prop { + u32 msi32_high; + u32 msi32_low; + u32 msi32_len; + u32 msi64_high; + u32 msi64_low; + u32 msi64_len; + } *arng; + + val = of_get_property(pbm->prom_node, "msi-eq-size", &len); + if (!val || len != 4) + goto no_msi; + + pbm->msiq_ent_count = *val; + + mqp = of_get_property(pbm->prom_node, + "msi-eq-to-devino", &len); + if (!mqp || len != sizeof(struct msiq_prop)) + goto no_msi; + + pbm->msiq_first = mqp->first_msiq; + pbm->msiq_first_devino = mqp->first_devino; + + val = of_get_property(pbm->prom_node, "#msi", &len); + if (!val || len != 4) + goto no_msi; + pbm->msi_num = *val; + + mrng = of_get_property(pbm->prom_node, "msi-ranges", &len); + if (!mrng || len != sizeof(struct msi_range_prop)) + goto no_msi; + pbm->msi_first = mrng->first_msi; + + val = of_get_property(pbm->prom_node, "msi-data-mask", &len); + if (!val || len != 4) + goto no_msi; + pbm->msi_data_mask = *val; + + val = of_get_property(pbm->prom_node, "msix-data-width", &len); + if (!val || len != 4) + goto no_msi; + pbm->msix_data_width = *val; + + arng = of_get_property(pbm->prom_node, "msi-address-ranges", + &len); + if (!arng || len != sizeof(struct addr_range_prop)) + goto no_msi; + pbm->msi32_start = ((u64)arng->msi32_high << 32) | + (u64) arng->msi32_low; + pbm->msi64_start = ((u64)arng->msi64_high << 32) | + (u64) arng->msi64_low; + pbm->msi32_len = arng->msi32_len; + pbm->msi64_len = arng->msi64_len; + + if (msi_bitmap_alloc(pbm)) + goto no_msi; + + if (msi_queue_alloc(pbm)) { + msi_bitmap_free(pbm); + goto no_msi; + } + + printk(KERN_INFO "%s: MSI Queue first[%u] num[%u] count[%u] " + "devino[0x%x]\n", + pbm->name, + pbm->msiq_first, pbm->msiq_num, + pbm->msiq_ent_count, + pbm->msiq_first_devino); + printk(KERN_INFO "%s: MSI first[%u] num[%u] mask[0x%x] " + "width[%u]\n", + pbm->name, + pbm->msi_first, pbm->msi_num, pbm->msi_data_mask, + pbm->msix_data_width); + printk(KERN_INFO "%s: MSI addr32[0x%lx:0x%x] " + "addr64[0x%lx:0x%x]\n", + pbm->name, + pbm->msi32_start, pbm->msi32_len, + pbm->msi64_start, pbm->msi64_len); + printk(KERN_INFO "%s: MSI queues at RA [%p]\n", + pbm->name, + pbm->msi_queues); + } + pbm->setup_msi_irq = pci_sun4v_setup_msi_irq; + pbm->teardown_msi_irq = pci_sun4v_teardown_msi_irq; + + return; + +no_msi: + pbm->msiq_num = 0; + printk(KERN_INFO "%s: No MSI support.\n", pbm->name); +} #else /* CONFIG_PCI_MSI */ static void pci_sun4v_msi_init(struct pci_pbm_info *pbm) { @@ -1260,6 +1234,14 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node else pbm = &p->pbm_A; + pbm->next = pci_pbm_root; + pci_pbm_root = pbm; + + pbm->scan_bus = pci_sun4v_scan_bus; + pbm->pci_ops = &pci_sun4v_ops; + + pbm->index = pci_num_pbms++; + pbm->parent = p; pbm->prom_node = dp; @@ -1271,7 +1253,7 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node pci_determine_mem_io_space(pbm); - pci_sun4v_get_bus_range(pbm); + pci_get_pbm_props(pbm); pci_sun4v_iommu_init(pbm); pci_sun4v_msi_init(pbm); } @@ -1279,6 +1261,7 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node void sun4v_pci_init(struct device_node *dp, char *model_name) { struct pci_controller_info *p; + struct pci_pbm_info *pbm; struct iommu *iommu; struct property *prop; struct linux_prom64_registers *regs; @@ -1290,18 +1273,9 @@ void sun4v_pci_init(struct device_node *dp, char *model_name) devhandle = (regs->phys_addr >> 32UL) & 0x0fffffff; - for (p = pci_controller_root; p; p = p->next) { - struct pci_pbm_info *pbm; - - if (p->pbm_A.prom_node && p->pbm_B.prom_node) - continue; - - pbm = (p->pbm_A.prom_node ? - &p->pbm_A : - &p->pbm_B); - + for (pbm = pci_pbm_root; pbm; pbm = pbm->next) { if (pbm->devhandle == (devhandle ^ 0x40)) { - pci_sun4v_pbm_init(p, dp, devhandle); + pci_sun4v_pbm_init(pbm->parent, dp, devhandle); return; } } @@ -1331,18 +1305,6 @@ void sun4v_pci_init(struct device_node *dp, char *model_name) p->pbm_B.iommu = iommu; - p->next = pci_controller_root; - pci_controller_root = p; - - p->index = pci_num_controllers++; - - p->scan_bus = pci_sun4v_scan_bus; -#ifdef CONFIG_PCI_MSI - p->setup_msi_irq = pci_sun4v_setup_msi_irq; - p->teardown_msi_irq = pci_sun4v_teardown_msi_irq; -#endif - p->pci_ops = &pci_sun4v_ops; - /* Like PSYCHO and SCHIZO we have a 2GB aligned area * for memory space. */ diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c index a114151f9fbe..8e3c6e435110 100644 --- a/arch/sparc64/kernel/process.c +++ b/arch/sparc64/kernel/process.c @@ -19,7 +19,6 @@ #include <linux/kallsyms.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/ptrace.h> #include <linux/slab.h> diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c index 3b05428cc909..91f6e2a74ad5 100644 --- a/arch/sparc64/kernel/sbus.c +++ b/arch/sparc64/kernel/sbus.c @@ -1002,24 +1002,24 @@ static void __init sysio_register_error_handlers(struct sbus_bus *sbus) u64 control; irq = sbus_build_irq(sbus, SYSIO_UE_INO); - if (request_irq(irq, sysio_ue_handler, - IRQF_SHARED, "SYSIO UE", sbus) < 0) { + if (request_irq(irq, sysio_ue_handler, 0, + "SYSIO_UE", sbus) < 0) { prom_printf("SYSIO[%x]: Cannot register UE interrupt.\n", sbus->portid); prom_halt(); } irq = sbus_build_irq(sbus, SYSIO_CE_INO); - if (request_irq(irq, sysio_ce_handler, - IRQF_SHARED, "SYSIO CE", sbus) < 0) { + if (request_irq(irq, sysio_ce_handler, 0, + "SYSIO_CE", sbus) < 0) { prom_printf("SYSIO[%x]: Cannot register CE interrupt.\n", sbus->portid); prom_halt(); } irq = sbus_build_irq(sbus, SYSIO_SBUSERR_INO); - if (request_irq(irq, sysio_sbus_error_handler, - IRQF_SHARED, "SYSIO SBUS Error", sbus) < 0) { + if (request_irq(irq, sysio_sbus_error_handler, 0, + "SYSIO_SBERR", sbus) < 0) { prom_printf("SYSIO[%x]: Cannot register SBUS Error interrupt.\n", sbus->portid); prom_halt(); diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c index 96d56a8410ad..203e87301005 100644 --- a/arch/sparc64/kernel/signal.c +++ b/arch/sparc64/kernel/signal.c @@ -20,7 +20,6 @@ #include <linux/unistd.h> #include <linux/mm.h> #include <linux/tty.h> -#include <linux/smp_lock.h> #include <linux/binfmts.h> #include <linux/bitops.h> diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c index c45f21b881d5..8c1c121330fb 100644 --- a/arch/sparc64/kernel/signal32.c +++ b/arch/sparc64/kernel/signal32.c @@ -17,7 +17,6 @@ #include <linux/unistd.h> #include <linux/mm.h> #include <linux/tty.h> -#include <linux/smp_lock.h> #include <linux/binfmts.h> #include <linux/compat.h> #include <linux/bitops.h> diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 1fac215252e4..8087d67a0cf8 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -10,7 +10,6 @@ #include <linux/pagemap.h> #include <linux/threads.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/delay.h> diff --git a/arch/sparc64/kernel/stacktrace.c b/arch/sparc64/kernel/stacktrace.c index c4d15f2762b9..47f92a59be18 100644 --- a/arch/sparc64/kernel/stacktrace.c +++ b/arch/sparc64/kernel/stacktrace.c @@ -3,22 +3,16 @@ #include <linux/thread_info.h> #include <asm/ptrace.h> -void save_stack_trace(struct stack_trace *trace, struct task_struct *task) +void save_stack_trace(struct stack_trace *trace) { unsigned long ksp, fp, thread_base; - struct thread_info *tp; + struct thread_info *tp = task_thread_info(current); - if (!task) - task = current; - tp = task_thread_info(task); - if (task == current) { - flushw_all(); - __asm__ __volatile__( - "mov %%fp, %0" - : "=r" (ksp) - ); - } else - ksp = tp->ksp; + flushw_all(); + __asm__ __volatile__( + "mov %%fp, %0" + : "=r" (ksp) + ); fp = ksp + STACK_BIAS; thread_base = (unsigned long) tp; diff --git a/arch/sparc64/kernel/sunos_ioctl32.c b/arch/sparc64/kernel/sunos_ioctl32.c index a05e43d51755..75d2bad49839 100644 --- a/arch/sparc64/kernel/sunos_ioctl32.c +++ b/arch/sparc64/kernel/sunos_ioctl32.c @@ -22,7 +22,6 @@ #include <linux/file.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/compat.h> diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c index a53d4abb4b49..d108eeb0734f 100644 --- a/arch/sparc64/kernel/sys_sparc.c +++ b/arch/sparc64/kernel/sys_sparc.c @@ -19,7 +19,6 @@ #include <linux/mman.h> #include <linux/utsname.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/syscalls.h> #include <linux/ipc.h> diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c index 7876a0226285..abd83129b2e7 100644 --- a/arch/sparc64/kernel/sys_sparc32.c +++ b/arch/sparc64/kernel/sys_sparc32.c @@ -775,15 +775,25 @@ asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv, asmlinkage long sys32_utimes(char __user *filename, struct compat_timeval __user *tvs) { - struct timeval ktvs[2]; + struct timespec tv[2]; if (tvs) { + struct timeval ktvs[2]; if (get_tv32(&ktvs[0], tvs) || get_tv32(&ktvs[1], 1+tvs)) return -EFAULT; + + if (ktvs[0].tv_usec < 0 || ktvs[0].tv_usec >= 1000000 || + ktvs[1].tv_usec < 0 || ktvs[1].tv_usec >= 1000000) + return -EINVAL; + + tv[0].tv_sec = ktvs[0].tv_sec; + tv[0].tv_nsec = 1000 * ktvs[0].tv_usec; + tv[1].tv_sec = ktvs[1].tv_sec; + tv[1].tv_nsec = 1000 * ktvs[1].tv_usec; } - return do_utimes(AT_FDCWD, filename, (tvs ? &ktvs[0] : NULL)); + return do_utimes(AT_FDCWD, filename, tvs ? tv : NULL, 0); } /* These are here just in case some old sparc32 binary calls it. */ diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S index 48c36fe6dc62..5fe7f9ad4a92 100644 --- a/arch/sparc64/kernel/systbls.S +++ b/arch/sparc64/kernel/systbls.S @@ -81,6 +81,7 @@ sys_call_table32: .word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll, sys_unshare /*300*/ .word compat_sys_set_robust_list, compat_sys_get_robust_list, compat_sys_migrate_pages, compat_sys_mbind, compat_sys_get_mempolicy .word compat_sys_set_mempolicy, compat_sys_kexec_load, compat_sys_move_pages, sys_getcpu, compat_sys_epoll_pwait +/*310*/ .word compat_sys_utimensat #endif /* CONFIG_COMPAT */ @@ -152,6 +153,7 @@ sys_call_table: .word sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare /*300*/ .word sys_set_robust_list, sys_get_robust_list, sys_migrate_pages, sys_mbind, sys_get_mempolicy .word sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait +/*310*/ .word sys_utimensat #if defined(CONFIG_SUNOS_EMUL) || defined(CONFIG_SOLARIS_EMUL) || \ defined(CONFIG_SOLARIS_EMUL_MODULE) @@ -269,5 +271,6 @@ sunos_sys_table: .word sunos_nosys, sunos_nosys, sunos_nosys .word sunos_nosys, sunos_nosys, sunos_nosys .word sunos_nosys +/*310*/ .long sunos_nosys #endif diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index ad67784292db..d0fde36395b4 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -15,10 +15,11 @@ #include <linux/kallsyms.h> #include <linux/signal.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/init.h> +#include <linux/kdebug.h> +#include <asm/smp.h> #include <asm/delay.h> #include <asm/system.h> #include <asm/ptrace.h> @@ -36,26 +37,12 @@ #include <asm/psrcompat.h> #include <asm/processor.h> #include <asm/timer.h> -#include <asm/kdebug.h> #include <asm/head.h> #ifdef CONFIG_KMOD #include <linux/kmod.h> #endif #include <asm/prom.h> -ATOMIC_NOTIFIER_HEAD(sparc64die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&sparc64die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&sparc64die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); /* When an irrecoverable trap occurs at tl > 0, the trap entry * code logs the trap state registers at every level in the trap diff --git a/arch/sparc64/kernel/unaligned.c b/arch/sparc64/kernel/unaligned.c index bc18d480dd1c..953be816fa25 100644 --- a/arch/sparc64/kernel/unaligned.c +++ b/arch/sparc64/kernel/unaligned.c @@ -18,7 +18,6 @@ #include <asm/system.h> #include <asm/uaccess.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/bitops.h> #include <linux/kallsyms.h> #include <asm/fpumacro.h> diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c index 55ae802dc0ad..b582024d2199 100644 --- a/arch/sparc64/mm/fault.c +++ b/arch/sparc64/mm/fault.c @@ -15,11 +15,11 @@ #include <linux/signal.h> #include <linux/mm.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/kprobes.h> #include <linux/kallsyms.h> +#include <linux/kdebug.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -29,40 +29,26 @@ #include <asm/asi.h> #include <asm/lsu.h> #include <asm/sections.h> -#include <asm/kdebug.h> #include <asm/mmu_context.h> #ifdef CONFIG_KPROBES -ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain); - -/* Hook to register for page fault notifications */ -int register_page_fault_notifier(struct notifier_block *nb) +static inline int notify_page_fault(struct pt_regs *regs) { - return atomic_notifier_chain_register(¬ify_page_fault_chain, nb); -} - -int unregister_page_fault_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(¬ify_page_fault_chain, nb); -} - -static inline int notify_page_fault(enum die_val val, const char *str, - struct pt_regs *regs, long err, int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .str = str, - .err = err, - .trapnr = trap, - .signr = sig - }; - return atomic_notifier_call_chain(¬ify_page_fault_chain, val, &args); + int ret = 0; + + /* kprobe_running() needs smp_processor_id() */ + if (!user_mode(regs)) { + preempt_disable(); + if (kprobe_running() && kprobe_fault_handler(regs, 0)) + ret = 1; + preempt_enable(); + } + return ret; } #else -static inline int notify_page_fault(enum die_val val, const char *str, - struct pt_regs *regs, long err, int trap, int sig) +static inline int notify_page_fault(struct pt_regs *regs) { - return NOTIFY_DONE; + return 0; } #endif @@ -121,9 +107,6 @@ static void __kprobes unhandled_fault(unsigned long address, printk(KERN_ALERT "tsk->{mm,active_mm}->pgd = %016lx\n", (tsk->mm ? (unsigned long) tsk->mm->pgd : (unsigned long) tsk->active_mm->pgd)); - if (notify_die(DIE_GPF, "general protection fault", regs, - 0, 0, SIGSEGV) == NOTIFY_STOP) - return; die_if_kernel("Oops", regs); } @@ -300,8 +283,7 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs) fault_code = get_thread_fault_code(); - if (notify_page_fault(DIE_PAGE_FAULT, "page_fault", regs, - fault_code, 0, SIGSEGV) == NOTIFY_STOP) + if (notify_page_fault(regs)) return; si_code = SEGV_MAPERR; diff --git a/arch/sparc64/mm/hugetlbpage.c b/arch/sparc64/mm/hugetlbpage.c index e224a94e6a1b..eaba9b70b184 100644 --- a/arch/sparc64/mm/hugetlbpage.c +++ b/arch/sparc64/mm/hugetlbpage.c @@ -10,7 +10,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/sysctl.h> diff --git a/arch/sparc64/solaris/ipc.c b/arch/sparc64/solaris/ipc.c index 8cef5fd57b2e..a531a2cdb381 100644 --- a/arch/sparc64/solaris/ipc.c +++ b/arch/sparc64/solaris/ipc.c @@ -6,7 +6,6 @@ #include <linux/kernel.h> #include <linux/types.h> -#include <linux/smp_lock.h> #include <linux/wait.h> #include <linux/mm.h> #include <linux/shm.h> diff --git a/arch/sparc64/solaris/misc.c b/arch/sparc64/solaris/misc.c index 542c808ec2c8..3b67de7455f1 100644 --- a/arch/sparc64/solaris/misc.c +++ b/arch/sparc64/solaris/misc.c @@ -6,7 +6,6 @@ #include <linux/module.h> #include <linux/types.h> -#include <linux/smp_lock.h> #include <linux/utsname.h> #include <linux/limits.h> #include <linux/mm.h> diff --git a/arch/sparc64/solaris/signal.c b/arch/sparc64/solaris/signal.c index 7fa2634e2085..de10c9716cfb 100644 --- a/arch/sparc64/solaris/signal.c +++ b/arch/sparc64/solaris/signal.c @@ -5,7 +5,6 @@ */ #include <linux/types.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <asm/uaccess.h> diff --git a/arch/sparc64/solaris/socket.c b/arch/sparc64/solaris/socket.c index d3a66ea74a7f..cc69847cf240 100644 --- a/arch/sparc64/solaris/socket.c +++ b/arch/sparc64/solaris/socket.c @@ -8,7 +8,6 @@ */ #include <linux/types.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/slab.h> #include <linux/socket.h> diff --git a/arch/sparc64/solaris/socksys.c b/arch/sparc64/solaris/socksys.c index c2864447de82..e94f6e5d9455 100644 --- a/arch/sparc64/solaris/socksys.c +++ b/arch/sparc64/solaris/socksys.c @@ -17,7 +17,6 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/ioctl.h> #include <linux/fs.h> #include <linux/file.h> diff --git a/arch/um/Kconfig b/arch/um/Kconfig index 354cc6b70530..b9c0f307a8fa 100644 --- a/arch/um/Kconfig +++ b/arch/um/Kconfig @@ -320,21 +320,7 @@ source "crypto/Kconfig" source "lib/Kconfig" -menu "SCSI support" -depends on BROKEN - -config SCSI - tristate "SCSI support" - -# This gives us free_dma, which scsi.c wants. -config GENERIC_ISA_DMA - bool - depends on SCSI - default y - -source "arch/um/Kconfig.scsi" - -endmenu +source "drivers/scsi/Kconfig" source "drivers/md/Kconfig" diff --git a/arch/um/Kconfig.scsi b/arch/um/Kconfig.scsi deleted file mode 100644 index c291c942b1a8..000000000000 --- a/arch/um/Kconfig.scsi +++ /dev/null @@ -1,58 +0,0 @@ -comment "SCSI support type (disk, tape, CD-ROM)" - depends on SCSI - -config BLK_DEV_SD - tristate "SCSI disk support" - depends on SCSI - -config SD_EXTRA_DEVS - int "Maximum number of SCSI disks that can be loaded as modules" - depends on BLK_DEV_SD - default "40" - -config CHR_DEV_ST - tristate "SCSI tape support" - depends on SCSI - -config BLK_DEV_SR - tristate "SCSI CD-ROM support" - depends on SCSI - -config BLK_DEV_SR_VENDOR - bool "Enable vendor-specific extensions (for SCSI CDROM)" - depends on BLK_DEV_SR - -config SR_EXTRA_DEVS - int "Maximum number of CDROM devices that can be loaded as modules" - depends on BLK_DEV_SR - default "2" - -config CHR_DEV_SG - tristate "SCSI generic support" - depends on SCSI - -comment "Some SCSI devices (e.g. CD jukebox) support multiple LUNs" - depends on SCSI - -#if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then -config SCSI_DEBUG_QUEUES - bool "Enable extra checks in new queueing code" - depends on SCSI - -#fi -config SCSI_MULTI_LUN - bool "Probe all LUNs on each SCSI device" - depends on SCSI - -config SCSI_CONSTANTS - bool "Verbose SCSI error reporting (kernel size +=12K)" - depends on SCSI - -config SCSI_LOGGING - bool "SCSI logging facility" - depends on SCSI - -config SCSI_DEBUG - tristate "SCSI debugging host simulator (EXPERIMENTAL)" - depends on SCSI - diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c index baac4ad5e68e..72773dd54425 100644 --- a/arch/um/drivers/net_kern.c +++ b/arch/um/drivers/net_kern.c @@ -316,12 +316,14 @@ static void setup_etheraddr(char *str, unsigned char *addr, char *name) } if (!is_local_ether_addr(addr)) { printk(KERN_WARNING - "Warning: attempt to assign a globally valid ethernet address to a " - "device\n"); - printk(KERN_WARNING "You should better enable the 2nd rightmost bit " - "in the first byte of the MAC, i.e. " - "%02x:%02x:%02x:%02x:%02x:%02x\n", - addr[0] | 0x02, addr[1], addr[2], addr[3], addr[4], addr[5]); + "Warning: attempt to assign a globally valid ethernet " + "address to a device\n"); + printk(KERN_WARNING "You should better enable the 2nd " + "rightmost bit in the first byte of the MAC,\n"); + printk(KERN_WARNING "i.e. %02x:%02x:%02x:%02x:%02x:%02x\n", + addr[0] | 0x02, addr[1], addr[2], addr[3], addr[4], + addr[5]); + goto random; } return; @@ -478,6 +480,7 @@ out_undo_user_init: (*transport->user->remove)(&lp->user); out_unregister: platform_device_unregister(&device->pdev); + return; /* platform_device_unregister frees dev and device */ out_free_netdev: free_netdev(dev); out_free_device: diff --git a/arch/um/drivers/pcap_kern.c b/arch/um/drivers/pcap_kern.c index 948849343ca4..c329931673d6 100644 --- a/arch/um/drivers/pcap_kern.c +++ b/arch/um/drivers/pcap_kern.c @@ -29,21 +29,25 @@ void pcap_init(struct net_device *dev, void *data) ppri->promisc = init->promisc; ppri->optimize = init->optimize; ppri->filter = init->filter; + + printk("pcap backend, host interface %s\n", ppri->host_if); } -static int pcap_read(int fd, struct sk_buff **skb, +static int pcap_read(int fd, struct sk_buff **skb, struct uml_net_private *lp) { *skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER); - if(*skb == NULL) return(-ENOMEM); - return(pcap_user_read(fd, skb_mac_header(*skb), + if(*skb == NULL) + return -ENOMEM; + + return pcap_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu + ETH_HEADER_OTHER, - (struct pcap_data *) &lp->user)); + (struct pcap_data *) &lp->user); } static int pcap_write(int fd, struct sk_buff **skb, struct uml_net_private *lp) { - return(-EPERM); + return -EPERM; } static const struct net_kern_info pcap_kern_info = { @@ -65,12 +69,12 @@ int pcap_setup(char *str, char **mac_out, void *data) .optimize = 0, .filter = NULL }); - remain = split_if_spec(str, &host_if, &init->filter, - &options[0], &options[1], NULL); + remain = split_if_spec(str, &host_if, &init->filter, + &options[0], &options[1], mac_out, NULL); if(remain != NULL){ printk(KERN_ERR "pcap_setup - Extra garbage on " "specification : '%s'\n", remain); - return(0); + return 0; } if(host_if != NULL) @@ -87,10 +91,13 @@ int pcap_setup(char *str, char **mac_out, void *data) init->optimize = 1; else if(!strcmp(options[i], "nooptimize")) init->optimize = 0; - else printk("pcap_setup : bad option - '%s'\n", options[i]); + else { + printk("pcap_setup : bad option - '%s'\n", options[i]); + return 0; + } } - return(1); + return 1; } static struct transport pcap_transport = { diff --git a/arch/um/drivers/pcap_user.c b/arch/um/drivers/pcap_user.c index dc0a903ef9a6..483aa15222a4 100644 --- a/arch/um/drivers/pcap_user.c +++ b/arch/um/drivers/pcap_user.c @@ -13,6 +13,7 @@ #include "pcap_user.h" #include "user.h" #include "um_malloc.h" +#include "kern_constants.h" #define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER) @@ -26,8 +27,8 @@ static int pcap_user_init(void *data, void *dev) p = pcap_open_live(pri->host_if, MAX_PACKET, pri->promisc, 0, errors); if(p == NULL){ - printk("pcap_user_init : pcap_open_live failed - '%s'\n", - errors); + printk(UM_KERN_ERR "pcap_user_init : pcap_open_live failed - " + "'%s'\n", errors); return -EINVAL; } @@ -48,13 +49,13 @@ static int pcap_open(void *data) if(pri->filter != NULL){ err = dev_netmask(pri->dev, &netmask); if(err < 0){ - printk("pcap_open : dev_netmask failed\n"); + printk(UM_KERN_ERR "pcap_open : dev_netmask failed\n"); return -EIO; } pri->compiled = um_kmalloc(sizeof(struct bpf_program)); if(pri->compiled == NULL){ - printk("pcap_open : kmalloc failed\n"); + printk(UM_KERN_ERR "pcap_open : kmalloc failed\n"); return -ENOMEM; } @@ -62,15 +63,15 @@ static int pcap_open(void *data) (struct bpf_program *) pri->compiled, pri->filter, pri->optimize, netmask); if(err < 0){ - printk("pcap_open : pcap_compile failed - '%s'\n", - pcap_geterr(pri->pcap)); + printk(UM_KERN_ERR "pcap_open : pcap_compile failed - " + "'%s'\n", pcap_geterr(pri->pcap)); return -EIO; } err = pcap_setfilter(pri->pcap, pri->compiled); if(err < 0){ - printk("pcap_open : pcap_setfilter failed - '%s'\n", - pcap_geterr(pri->pcap)); + printk(UM_KERN_ERR "pcap_open : pcap_setfilter " + "failed - '%s'\n", pcap_geterr(pri->pcap)); return -EIO; } } @@ -85,7 +86,8 @@ static void pcap_remove(void *data) if(pri->compiled != NULL) pcap_freecode(pri->compiled); - pcap_close(pri->pcap); + if(pri->pcap != NULL) + pcap_close(pri->pcap); } struct pcap_handler_data { @@ -114,7 +116,8 @@ int pcap_user_read(int fd, void *buffer, int len, struct pcap_data *pri) n = pcap_dispatch(pri->pcap, 1, handler, (u_char *) &hdata); if(n < 0){ - printk("pcap_dispatch failed - %s\n", pcap_geterr(pri->pcap)); + printk(UM_KERN_ERR "pcap_dispatch failed - %s\n", + pcap_geterr(pri->pcap)); return -EIO; } else if(n == 0) diff --git a/arch/um/include/sysdep-i386/archsetjmp.h b/arch/um/include/sysdep-i386/archsetjmp.h index 11bafab669e9..0f312085ce1d 100644 --- a/arch/um/include/sysdep-i386/archsetjmp.h +++ b/arch/um/include/sysdep-i386/archsetjmp.h @@ -1,5 +1,5 @@ /* - * arch/i386/include/klibc/archsetjmp.h + * arch/um/include/sysdep-i386/archsetjmp.h */ #ifndef _KLIBC_ARCHSETJMP_H diff --git a/arch/um/include/sysdep-x86_64/archsetjmp.h b/arch/um/include/sysdep-x86_64/archsetjmp.h index 9a5e1a6ec800..2af8f12ca161 100644 --- a/arch/um/include/sysdep-x86_64/archsetjmp.h +++ b/arch/um/include/sysdep-x86_64/archsetjmp.h @@ -1,5 +1,5 @@ /* - * arch/x86_64/include/klibc/archsetjmp.h + * arch/um/include/sysdep-x86_64/archsetjmp.h */ #ifndef _KLIBC_ARCHSETJMP_H diff --git a/arch/um/kernel/skas/process.c b/arch/um/kernel/skas/process.c index ef36facd8fe9..a96ae1a0610e 100644 --- a/arch/um/kernel/skas/process.c +++ b/arch/um/kernel/skas/process.c @@ -178,20 +178,23 @@ int start_uml_skas(void) int external_pid_skas(struct task_struct *task) { -#warning Need to look up userspace_pid by cpu + /* FIXME: Need to look up userspace_pid by cpu */ return(userspace_pid[0]); } int thread_pid_skas(struct task_struct *task) { -#warning Need to look up userspace_pid by cpu + /* FIXME: Need to look up userspace_pid by cpu */ return(userspace_pid[0]); } void kill_off_processes_skas(void) { if(proc_mm) -#warning need to loop over userspace_pids in kill_off_processes_skas + /* + * FIXME: need to loop over userspace_pids in + * kill_off_processes_skas + */ os_kill_ptraced_process(userspace_pid[0], 1); else { struct task_struct *p; diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index cd7349de8ca6..259c49da7ff5 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -177,6 +177,8 @@ int do_settimeofday(struct timespec *tv) void timer_handler(int sig, union uml_pt_regs *regs) { + if(current_thread->cpu == 0) + timer_irq(regs); local_irq_disable(); irq_enter(); update_process_times(CHOOSE_MODE( @@ -184,6 +186,4 @@ void timer_handler(int sig, union uml_pt_regs *regs) (regs)->skas.is_user)); irq_exit(); local_irq_enable(); - if(current_thread->cpu == 0) - timer_irq(regs); } diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c index 92a7b59120d6..2d9d2ca39299 100644 --- a/arch/um/os-Linux/process.c +++ b/arch/um/os-Linux/process.c @@ -239,6 +239,7 @@ out: return ok; } +#ifdef UML_CONFIG_MODE_TT void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int)) { int flags = 0, pages; @@ -260,6 +261,7 @@ void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int)) "errno = %d\n", errno); } } +#endif void init_new_thread_signals(void) { diff --git a/arch/um/os-Linux/skas/mem.c b/arch/um/os-Linux/skas/mem.c index 8e490fff3d47..5c8946320799 100644 --- a/arch/um/os-Linux/skas/mem.c +++ b/arch/um/os-Linux/skas/mem.c @@ -68,7 +68,7 @@ static inline long do_syscall_stub(struct mm_id * mm_idp, void **addr) int err, pid = mm_idp->u.pid; if(proc_mm) -#warning Need to look up userspace_pid by cpu + /* FIXME: Need to look up userspace_pid by cpu */ pid = userspace_pid[0]; multi_count++; diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index 5c088a55396c..6a0e466d01e3 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -586,7 +586,7 @@ void switch_mm_skas(struct mm_id *mm_idp) { int err; -#warning need cpu pid in switch_mm_skas + /* FIXME: need cpu pid in switch_mm_skas */ if(proc_mm){ err = ptrace(PTRACE_SWITCH_MM, userspace_pid[0], 0, mm_idp->u.mm_fd); diff --git a/arch/v850/kernel/asm-offsets.c b/arch/v850/kernel/asm-offsets.c index 24f291369070..cee5c3142d41 100644 --- a/arch/v850/kernel/asm-offsets.c +++ b/arch/v850/kernel/asm-offsets.c @@ -29,7 +29,7 @@ int main (void) DEFINE (TASK_PTRACE, offsetof (struct task_struct, ptrace)); DEFINE (TASK_BLOCKED, offsetof (struct task_struct, blocked)); DEFINE (TASK_THREAD, offsetof (struct task_struct, thread)); - DEFINE (TASK_THREAD_INFO, offsetof (struct task_struct, thread_info)); + DEFINE (TASK_THREAD_INFO, offsetof (struct task_struct, stack)); DEFINE (TASK_MM, offsetof (struct task_struct, mm)); DEFINE (TASK_ACTIVE_MM, offsetof (struct task_struct, active_mm)); DEFINE (TASK_PID, offsetof (struct task_struct, pid)); diff --git a/arch/v850/kernel/entry.S b/arch/v850/kernel/entry.S index 8bc521ca081f..e4327a8d6bcd 100644 --- a/arch/v850/kernel/entry.S +++ b/arch/v850/kernel/entry.S @@ -523,7 +523,7 @@ END(ret_from_trap) /* This the initial entry point for a new child thread, with an appropriate - stack in place that makes it look the the child is in the middle of an + stack in place that makes it look that the child is in the middle of an syscall. This function is actually `returned to' from switch_thread (copy_thread makes ret_from_fork the return address in each new thread's saved context). */ diff --git a/arch/v850/kernel/process.c b/arch/v850/kernel/process.c index c4f844c86e50..e4a4b8e7d5a3 100644 --- a/arch/v850/kernel/process.c +++ b/arch/v850/kernel/process.c @@ -16,7 +16,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/v850/kernel/ptrace.c b/arch/v850/kernel/ptrace.c index 67e057509664..a9b09343097d 100644 --- a/arch/v850/kernel/ptrace.c +++ b/arch/v850/kernel/ptrace.c @@ -21,7 +21,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/ptrace.h> #include <linux/signal.h> diff --git a/arch/v850/kernel/signal.c b/arch/v850/kernel/signal.c index 17c2d4359b04..bf166e7e762c 100644 --- a/arch/v850/kernel/signal.c +++ b/arch/v850/kernel/signal.c @@ -17,7 +17,6 @@ #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/v850/kernel/syscalls.c b/arch/v850/kernel/syscalls.c index d2b1fb19d243..f9f00ccf5324 100644 --- a/arch/v850/kernel/syscalls.c +++ b/arch/v850/kernel/syscalls.c @@ -18,7 +18,6 @@ #include <linux/errno.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/sem.h> #include <linux/msg.h> diff --git a/arch/x86_64/ia32/ia32_signal.c b/arch/x86_64/ia32/ia32_signal.c index 359eacc38509..6ea19c25f90d 100644 --- a/arch/x86_64/ia32/ia32_signal.c +++ b/arch/x86_64/ia32/ia32_signal.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S index c48087db6f75..f21068378272 100644 --- a/arch/x86_64/ia32/ia32entry.S +++ b/arch/x86_64/ia32/ia32entry.S @@ -710,9 +710,10 @@ ia32_sys_call_table: .quad compat_sys_get_robust_list .quad sys_splice .quad sys_sync_file_range - .quad sys_tee + .quad sys_tee /* 315 */ .quad compat_sys_vmsplice .quad compat_sys_move_pages .quad sys_getcpu .quad sys_epoll_pwait + .quad compat_sys_utimensat /* 320 */ ia32_syscall_end: diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile index 4d94c51803d8..de1de8a2fd84 100644 --- a/arch/x86_64/kernel/Makefile +++ b/arch/x86_64/kernel/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_IOMMU) += pci-gart.o aperture.o obj-$(CONFIG_CALGARY_IOMMU) += pci-calgary.o tce.o obj-$(CONFIG_SWIOTLB) += pci-swiotlb.o +obj-$(CONFIG_SERIAL_8250) += legacy_serial.o obj-$(CONFIG_KPROBES) += kprobes.o obj-$(CONFIG_X86_PM_TIMER) += pmtimer.o obj-$(CONFIG_X86_VSMP) += vsmp.o @@ -49,6 +50,7 @@ CFLAGS_vsyscall.o := $(PROFILING) -g0 therm_throt-y += ../../i386/kernel/cpu/mcheck/therm_throt.o bootflag-y += ../../i386/kernel/bootflag.o +legacy_serial-y += ../../i386/kernel/legacy_serial.o cpuid-$(subst m,y,$(CONFIG_X86_CPUID)) += ../../i386/kernel/cpuid.o topology-y += ../../i386/kernel/topology.o microcode-$(subst m,y,$(CONFIG_MICROCODE)) += ../../i386/kernel/microcode.o diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c index d198f7d82e5a..1b0e07bb8728 100644 --- a/arch/x86_64/kernel/apic.c +++ b/arch/x86_64/kernel/apic.c @@ -19,7 +19,6 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/bootmem.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/mc146818rtc.h> #include <linux/kernel_stat.h> diff --git a/arch/x86_64/kernel/crash.c b/arch/x86_64/kernel/crash.c index 95a7a2c13131..13432a1ae904 100644 --- a/arch/x86_64/kernel/crash.c +++ b/arch/x86_64/kernel/crash.c @@ -17,13 +17,13 @@ #include <linux/delay.h> #include <linux/elf.h> #include <linux/elfcore.h> +#include <linux/kdebug.h> #include <asm/processor.h> #include <asm/hardirq.h> #include <asm/nmi.h> #include <asm/hw_irq.h> #include <asm/mach_apic.h> -#include <asm/kdebug.h> /* This keeps a track of which one is crashing cpu. */ static int crashing_cpu; diff --git a/arch/x86_64/kernel/early_printk.c b/arch/x86_64/kernel/early_printk.c index 92213d2b7c11..56eaa259782b 100644 --- a/arch/x86_64/kernel/early_printk.c +++ b/arch/x86_64/kernel/early_printk.c @@ -243,22 +243,12 @@ static int __init setup_early_printk(char *buf) early_console = &simnow_console; keep_early = 1; } + + if (keep_early) + early_console->flags &= ~CON_BOOT; + else + early_console->flags |= CON_BOOT; register_console(early_console); return 0; } - early_param("earlyprintk", setup_early_printk); - -void __init disable_early_printk(void) -{ - if (!early_console_initialized || !early_console) - return; - if (!keep_early) { - printk("disabling early console\n"); - unregister_console(early_console); - early_console_initialized = 0; - } else { - printk("keeping early console\n"); - } -} - diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c index 489426682772..4b326655b208 100644 --- a/arch/x86_64/kernel/i8259.c +++ b/arch/x86_64/kernel/i8259.c @@ -7,7 +7,6 @@ #include <linux/timex.h> #include <linux/slab.h> #include <linux/random.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/kernel_stat.h> #include <linux/sysdev.h> diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 2a2df14dab7e..d8bfe315471c 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -25,7 +25,6 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/pci.h> #include <linux/mc146818rtc.h> #include <linux/acpi.h> @@ -1414,7 +1413,7 @@ static void ack_apic_level(unsigned int irq) /* * We must acknowledge the irq before we move it or the acknowledge will - * not propogate properly. + * not propagate properly. */ ack_APIC_irq(); diff --git a/arch/x86_64/kernel/ioport.c b/arch/x86_64/kernel/ioport.c index 387d347b0e07..653efa30b0f4 100644 --- a/arch/x86_64/kernel/ioport.c +++ b/arch/x86_64/kernel/ioport.c @@ -12,7 +12,6 @@ #include <linux/types.h> #include <linux/ioport.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/slab.h> #include <linux/thread_info.h> diff --git a/arch/x86_64/kernel/irq.c b/arch/x86_64/kernel/irq.c index 3bc30d2c13d3..3eaceac32481 100644 --- a/arch/x86_64/kernel/irq.c +++ b/arch/x86_64/kernel/irq.c @@ -32,7 +32,7 @@ atomic_t irq_err_count; */ static inline void stack_overflow_check(struct pt_regs *regs) { - u64 curbase = (u64) current->thread_info; + u64 curbase = (u64)task_stack_page(current); static unsigned long warned = -60*HZ; if (regs->rsp >= curbase && regs->rsp <= curbase + THREAD_SIZE && diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c index 209c8c0bec71..d4a0d0ac9935 100644 --- a/arch/x86_64/kernel/kprobes.c +++ b/arch/x86_64/kernel/kprobes.c @@ -37,10 +37,10 @@ #include <linux/slab.h> #include <linux/preempt.h> #include <linux/module.h> +#include <linux/kdebug.h> #include <asm/cacheflush.h> #include <asm/pgtable.h> -#include <asm/kdebug.h> #include <asm/uaccess.h> void jprobe_return_end(void); @@ -266,23 +266,14 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) } /* Called with kretprobe_lock held */ -void __kprobes arch_prepare_kretprobe(struct kretprobe *rp, +void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) { unsigned long *sara = (unsigned long *)regs->rsp; - struct kretprobe_instance *ri; - if ((ri = get_free_rp_inst(rp)) != NULL) { - ri->rp = rp; - ri->task = current; - ri->ret_addr = (kprobe_opcode_t *) *sara; - - /* Replace the return addr with trampoline addr */ - *sara = (unsigned long) &kretprobe_trampoline; - add_rp_inst(ri); - } else { - rp->nmissed++; - } + ri->ret_addr = (kprobe_opcode_t *) *sara; + /* Replace the return addr with trampoline addr */ + *sara = (unsigned long) &kretprobe_trampoline; } int __kprobes kprobe_handler(struct pt_regs *regs) @@ -447,7 +438,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) break; } - BUG_ON(!orig_ret_address || (orig_ret_address == trampoline_address)); + kretprobe_assert(ri, orig_ret_address, trampoline_address); regs->rip = orig_ret_address; reset_current_kprobe(); @@ -752,3 +743,11 @@ int __init arch_init_kprobes(void) { return register_kprobe(&trampoline_p); } + +int __kprobes arch_trampoline_kprobe(struct kprobe *p) +{ + if (p->addr == (kprobe_opcode_t *)&kretprobe_trampoline) + return 1; + + return 0; +} diff --git a/arch/x86_64/kernel/ldt.c b/arch/x86_64/kernel/ldt.c index d7e5d0cf4285..bc9ffd5c19cc 100644 --- a/arch/x86_64/kernel/ldt.c +++ b/arch/x86_64/kernel/ldt.c @@ -13,7 +13,6 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <linux/slab.h> diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c index fa2672682477..a14375dd5425 100644 --- a/arch/x86_64/kernel/mce.c +++ b/arch/x86_64/kernel/mce.c @@ -20,10 +20,10 @@ #include <linux/percpu.h> #include <linux/ctype.h> #include <linux/kmod.h> +#include <linux/kdebug.h> #include <asm/processor.h> #include <asm/msr.h> #include <asm/mce.h> -#include <asm/kdebug.h> #include <asm/uaccess.h> #include <asm/smp.h> @@ -720,9 +720,11 @@ mce_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: mce_create_device(cpu); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: mce_remove_device(cpu); break; } diff --git a/arch/x86_64/kernel/mce_amd.c b/arch/x86_64/kernel/mce_amd.c index d0bd5d66e103..03356e64f9c8 100644 --- a/arch/x86_64/kernel/mce_amd.c +++ b/arch/x86_64/kernel/mce_amd.c @@ -654,9 +654,11 @@ static int threshold_cpu_callback(struct notifier_block *nfb, switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: threshold_create_device(cpu); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: threshold_remove_device(cpu); break; default: diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c index d0dc4891599b..61ae57eb9e4c 100644 --- a/arch/x86_64/kernel/mpparse.c +++ b/arch/x86_64/kernel/mpparse.c @@ -17,7 +17,6 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/bootmem.h> -#include <linux/smp_lock.h> #include <linux/kernel_stat.h> #include <linux/mc146818rtc.h> #include <linux/acpi.h> diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c index 6cd2b30e2ffc..931c64bad5e6 100644 --- a/arch/x86_64/kernel/nmi.c +++ b/arch/x86_64/kernel/nmi.c @@ -21,11 +21,11 @@ #include <linux/sysctl.h> #include <linux/kprobes.h> #include <linux/cpumask.h> +#include <linux/kdebug.h> #include <asm/smp.h> #include <asm/nmi.h> #include <asm/proto.h> -#include <asm/kdebug.h> #include <asm/mce.h> int unknown_nmi_panic; diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c index 0a762e10f2be..373ef66ca1dc 100644 --- a/arch/x86_64/kernel/pci-gart.c +++ b/arch/x86_64/kernel/pci-gart.c @@ -22,13 +22,13 @@ #include <linux/topology.h> #include <linux/interrupt.h> #include <linux/bitops.h> +#include <linux/kdebug.h> #include <asm/atomic.h> #include <asm/io.h> #include <asm/mtrr.h> #include <asm/pgtable.h> #include <asm/proto.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> #include <asm/swiotlb.h> #include <asm/dma.h> #include <asm/k8.h> diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c index 4f21765078b7..5909039f37aa 100644 --- a/arch/x86_64/kernel/process.c +++ b/arch/x86_64/kernel/process.c @@ -36,6 +36,7 @@ #include <linux/random.h> #include <linux/notifier.h> #include <linux/kprobes.h> +#include <linux/kdebug.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -46,7 +47,6 @@ #include <asm/mmu_context.h> #include <asm/pda.h> #include <asm/prctl.h> -#include <asm/kdebug.h> #include <asm/desc.h> #include <asm/proto.h> #include <asm/ia32.h> diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c index 4326a690a509..9409117b9f19 100644 --- a/arch/x86_64/kernel/ptrace.c +++ b/arch/x86_64/kernel/ptrace.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/x86_64/kernel/reboot.c b/arch/x86_64/kernel/reboot.c index 2d6769847456..c116b54d422e 100644 --- a/arch/x86_64/kernel/reboot.c +++ b/arch/x86_64/kernel/reboot.c @@ -7,8 +7,8 @@ #include <linux/ctype.h> #include <linux/string.h> #include <linux/pm.h> +#include <linux/kdebug.h> #include <asm/io.h> -#include <asm/kdebug.h> #include <asm/delay.h> #include <asm/hw_irq.h> #include <asm/system.h> diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c index c819625f3316..290f5d8037cd 100644 --- a/arch/x86_64/kernel/signal.c +++ b/arch/x86_64/kernel/signal.c @@ -12,7 +12,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/x86_64/kernel/smp.c b/arch/x86_64/kernel/smp.c index bd1d123947ce..2ff468591625 100644 --- a/arch/x86_64/kernel/smp.c +++ b/arch/x86_64/kernel/smp.c @@ -14,7 +14,6 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/smp.h> #include <linux/kernel_stat.h> #include <linux/mc146818rtc.h> diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index 4d9dacfae575..32f50783edc8 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -42,18 +42,17 @@ #include <linux/mm.h> #include <linux/kernel_stat.h> -#include <linux/smp_lock.h> #include <linux/bootmem.h> #include <linux/thread_info.h> #include <linux/module.h> #include <linux/delay.h> #include <linux/mc146818rtc.h> #include <linux/smp.h> +#include <linux/kdebug.h> #include <asm/mtrr.h> #include <asm/pgalloc.h> #include <asm/desc.h> -#include <asm/kdebug.h> #include <asm/tlbflush.h> #include <asm/proto.h> #include <asm/nmi.h> diff --git a/arch/x86_64/kernel/stacktrace.c b/arch/x86_64/kernel/stacktrace.c index 65ac2c6b34a6..cb9109113584 100644 --- a/arch/x86_64/kernel/stacktrace.c +++ b/arch/x86_64/kernel/stacktrace.c @@ -21,8 +21,7 @@ save_stack_warning_symbol(void *data, char *msg, unsigned long symbol) static int save_stack_stack(void *data, char *name) { - struct stack_trace *trace = (struct stack_trace *)data; - return trace->all_contexts ? 0 : -1; + return -1; } static void save_stack_address(void *data, unsigned long addr) @@ -46,11 +45,10 @@ static struct stacktrace_ops save_stack_ops = { /* * Save stack-backtrace addresses into a stack_trace buffer. */ -void save_stack_trace(struct stack_trace *trace, struct task_struct *task) +void save_stack_trace(struct stack_trace *trace) { - dump_trace(task, NULL, NULL, &save_stack_ops, trace); + dump_trace(current, NULL, NULL, &save_stack_ops, trace); if (trace->nr_entries < trace->max_entries) trace->entries[trace->nr_entries++] = ULONG_MAX; } EXPORT_SYMBOL(save_stack_trace); - diff --git a/arch/x86_64/kernel/sys_x86_64.c b/arch/x86_64/kernel/sys_x86_64.c index f891931eb753..d067d9a2ad27 100644 --- a/arch/x86_64/kernel/sys_x86_64.c +++ b/arch/x86_64/kernel/sys_x86_64.c @@ -7,7 +7,6 @@ #include <linux/syscalls.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 0652e173813b..4a0895bacf51 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -363,7 +363,10 @@ void stop_timer_interrupt(void) } static struct irqaction irq0 = { - timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL + .handler = timer_interrupt, + .flags = IRQF_DISABLED | IRQF_IRQPOLL, + .mask = CPU_MASK_NONE, + .name = "timer" }; void __init time_init(void) diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index d76fc32d4599..8c2ac41187c1 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -32,6 +32,7 @@ #include <linux/unwind.h> #include <linux/uaccess.h> #include <linux/bug.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/io.h> @@ -39,7 +40,6 @@ #include <asm/debugreg.h> #include <asm/desc.h> #include <asm/i387.h> -#include <asm/kdebug.h> #include <asm/processor.h> #include <asm/unwind.h> #include <asm/smp.h> @@ -71,22 +71,6 @@ asmlinkage void alignment_check(void); asmlinkage void machine_check(void); asmlinkage void spurious_interrupt_bug(void); -ATOMIC_NOTIFIER_HEAD(die_chain); -EXPORT_SYMBOL(die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - vmalloc_sync_all(); - return atomic_notifier_chain_register(&die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); /* used modular by kdb */ - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); /* used modular by kdb */ - static inline void conditional_sti(struct pt_regs *regs) { if (regs->eflags & X86_EFLAGS_IF) @@ -792,6 +776,8 @@ asmlinkage __kprobes void default_do_nmi(struct pt_regs *regs) */ if (nmi_watchdog_tick(regs,reason)) return; + if (notify_die(DIE_NMI_POST, "nmi_post", regs, reason, 2, 0) + == NOTIFY_STOP) if (!do_nmi_callback(regs,cpu)) unknown_nmi_error(reason, regs); diff --git a/arch/x86_64/kernel/vsyscall.c b/arch/x86_64/kernel/vsyscall.c index dc32cef96195..51d4c6fa88c8 100644 --- a/arch/x86_64/kernel/vsyscall.c +++ b/arch/x86_64/kernel/vsyscall.c @@ -327,7 +327,7 @@ static int __cpuinit cpu_vsyscall_notifier(struct notifier_block *n, unsigned long action, void *arg) { long cpu = (long)arg; - if (action == CPU_ONLINE) + if (action == CPU_ONLINE || action == CPU_ONLINE_FROZEN) smp_call_function_single(cpu, cpu_vsyscall_init, NULL, 0, 1); return NOTIFY_DONE; } diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c index de99dba2c515..bfb62a13d7ee 100644 --- a/arch/x86_64/mm/fault.c +++ b/arch/x86_64/mm/fault.c @@ -15,22 +15,22 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/tty.h> #include <linux/vt_kern.h> /* For unblank_screen() */ #include <linux/compiler.h> +#include <linux/vmalloc.h> #include <linux/module.h> #include <linux/kprobes.h> #include <linux/uaccess.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/pgalloc.h> #include <asm/smp.h> #include <asm/tlbflush.h> #include <asm/proto.h> -#include <asm/kdebug.h> #include <asm-generic/sections.h> /* Page fault error code bits */ diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c index c0822683b916..1336da8bdee1 100644 --- a/arch/x86_64/mm/init.c +++ b/arch/x86_64/mm/init.c @@ -172,7 +172,7 @@ __set_fixmap (enum fixed_addresses idx, unsigned long phys, pgprot_t prot) set_pte_phys(address, phys, prot); } -unsigned long __initdata table_start, table_end; +unsigned long __meminitdata table_start, table_end; static __meminit void *alloc_low_page(unsigned long *phys) { @@ -204,7 +204,7 @@ static __meminit void unmap_low_page(void *adr) } /* Must run before zap_low_mappings */ -__init void *early_ioremap(unsigned long addr, unsigned long size) +__meminit void *early_ioremap(unsigned long addr, unsigned long size) { unsigned long vaddr; pmd_t *pmd, *last_pmd; @@ -233,7 +233,7 @@ __init void *early_ioremap(unsigned long addr, unsigned long size) } /* To avoid virtual aliases later */ -__init void early_iounmap(void *addr, unsigned long size) +__meminit void early_iounmap(void *addr, unsigned long size) { unsigned long vaddr; pmd_t *pmd; diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c index b256cfbef344..698079b3a336 100644 --- a/arch/xtensa/kernel/asm-offsets.c +++ b/arch/xtensa/kernel/asm-offsets.c @@ -70,7 +70,7 @@ int main(void) DEFINE(TASK_ACTIVE_MM, offsetof (struct task_struct, active_mm)); DEFINE(TASK_PID, offsetof (struct task_struct, pid)); DEFINE(TASK_THREAD, offsetof (struct task_struct, thread)); - DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, thread_info)); + DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, stack)); DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct)); BLANK(); diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c index ca76f071666e..f5319d78c876 100644 --- a/arch/xtensa/kernel/pci-dma.c +++ b/arch/xtensa/kernel/pci-dma.c @@ -1,5 +1,5 @@ /* - * arch/xtensa/pci-dma.c + * arch/xtensa/kernel/pci-dma.c * * DMA coherent memory allocation. * diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index 795bd5ac6f4c..ce758bab95b1 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -20,7 +20,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c index 8b6d3d0623b6..14104ff63093 100644 --- a/arch/xtensa/kernel/ptrace.c +++ b/arch/xtensa/kernel/ptrace.c @@ -19,7 +19,6 @@ #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/security.h> #include <linux/signal.h> diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c index c6d9880a4cdb..58107672a619 100644 --- a/arch/xtensa/kernel/signal.c +++ b/arch/xtensa/kernel/signal.c @@ -17,7 +17,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> |
