diff options
Diffstat (limited to 'arch/arm')
61 files changed, 2018 insertions, 317 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 691aae309c8a..fcd1d8f95a21 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -318,6 +318,9 @@ config ARCH_KS8695 config ARCH_NS9XXX bool "NetSilicon NS9xxx" + select GENERIC_GPIO + select GENERIC_TIME + select GENERIC_CLOCKEVENTS help Say Y here if you intend to run this kernel on a NetSilicon NS9xxx System. @@ -994,6 +997,10 @@ source "drivers/pnp/Kconfig" source "drivers/block/Kconfig" +# misc before ide - BLK_DEV_SGIIOC4 depends on SGI_IOC4 + +source "drivers/misc/Kconfig" + if PCMCIA || ARCH_CLPS7500 || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX \ || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \ || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE \ @@ -1029,16 +1036,16 @@ source "drivers/spi/Kconfig" source "drivers/w1/Kconfig" +source "drivers/power/Kconfig" + source "drivers/hwmon/Kconfig" -#source "drivers/l3/Kconfig" +source "drivers/ssb/Kconfig" -source "drivers/misc/Kconfig" +#source "drivers/l3/Kconfig" source "drivers/mfd/Kconfig" -source "drivers/leds/Kconfig" - source "drivers/media/Kconfig" source "drivers/video/Kconfig" @@ -1051,6 +1058,8 @@ source "drivers/usb/Kconfig" source "drivers/mmc/Kconfig" +source "drivers/leds/Kconfig" + source "drivers/rtc/Kconfig" source "drivers/dma/Kconfig" diff --git a/arch/arm/Kconfig-nommu b/arch/arm/Kconfig-nommu index f087376748d1..901e6dff8437 100644 --- a/arch/arm/Kconfig-nommu +++ b/arch/arm/Kconfig-nommu @@ -26,7 +26,7 @@ config FLASH_SIZE default 0x00400000 config PROCESSOR_ID - hex + hex 'Hard wire the processor ID' default 0x00007700 depends on !CPU_CP15 help diff --git a/arch/arm/Makefile b/arch/arm/Makefile index fa4ea9ff0797..6c2d539cd22b 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -12,7 +12,7 @@ LDFLAGS_vmlinux :=-p --no-undefined -X CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET) -OBJCOPYFLAGS :=-O binary -R .note -R .comment -S +OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S GZFLAGS :=-9 #CFLAGS +=-pipe # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index b36b1e8a105d..44ab0dad4035 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -263,7 +263,7 @@ map_single(struct device *dev, void *ptr, size_t size, * We don't need to sync the DMA buffer since * it was allocated via the coherent allocators. */ - consistent_sync(ptr, size, dir); + dma_cache_maint(ptr, size, dir); } return dma_addr; @@ -383,7 +383,7 @@ sync_single(struct device *dev, dma_addr_t dma_addr, size_t size, * via the coherent allocators. */ } else { - consistent_sync(dma_to_virt(dev, dma_addr), size, dir); + dma_cache_maint(dma_to_virt(dev, dma_addr), size, dir); } } diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index 240c448ec31c..a2dd930d11ef 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -338,7 +338,7 @@ pbus_assign_bus_resources(struct pci_bus *bus, struct pci_sys_data *root) * pcibios_fixup_bus - Called after each bus is probed, * but before its children are examined. */ -void __devinit pcibios_fixup_bus(struct pci_bus *bus) +void pcibios_fixup_bus(struct pci_bus *bus) { struct pci_sys_data *root = bus->sysdata; struct pci_dev *dev; @@ -419,7 +419,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus) /* * Convert from Linux-centric to bus-centric addresses for bridge devices. */ -void __devinit +void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, struct resource *res) { diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index a98d0c933db0..cecf658e3625 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -361,6 +361,7 @@ CALL(sys_signalfd) /* 350 */ CALL(sys_timerfd) CALL(sys_eventfd) + CALL(sys_fallocate) #ifndef syscalls_counted .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls #define syscalls_counted diff --git a/arch/arm/kernel/relocate_kernel.S b/arch/arm/kernel/relocate_kernel.S index 7baadae7cb27..062c111c572f 100644 --- a/arch/arm/kernel/relocate_kernel.S +++ b/arch/arm/kernel/relocate_kernel.S @@ -7,6 +7,23 @@ .globl relocate_new_kernel relocate_new_kernel: + /* Move boot params back to where the kernel expects them */ + + ldr r0,kexec_boot_params_address + teq r0,#0 + beq 8f + + ldr r1,kexec_boot_params_copy + mov r6,#KEXEC_BOOT_PARAMS_SIZE/4 +7: + ldr r5,[r1],#4 + str r5,[r0],#4 + subs r6,r6,#1 + bne 7b + +8: + /* Boot params moved, now go on with the kernel */ + ldr r0,kexec_indirection_page ldr r1,kexec_start_address @@ -50,7 +67,7 @@ relocate_new_kernel: mov lr,r1 mov r0,#0 ldr r1,kexec_mach_type - mov r2,#0 + ldr r2,kexec_boot_params_address mov pc,lr .globl kexec_start_address @@ -65,6 +82,16 @@ kexec_indirection_page: kexec_mach_type: .long 0x0 + /* phy addr where new kernel will expect to find boot params */ + .globl kexec_boot_params_address +kexec_boot_params_address: + .long 0x0 + + /* phy addr where old kernel put a copy of orig boot params */ + .globl kexec_boot_params_copy +kexec_boot_params_copy: + .long 0x0 + relocate_new_kernel_end: .globl relocate_new_kernel_size diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 4de432ec903a..bf56eb337df1 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -24,6 +24,7 @@ #include <linux/interrupt.h> #include <linux/smp.h> #include <linux/fs.h> +#include <linux/kexec.h> #include <asm/cpu.h> #include <asm/elf.h> @@ -304,10 +305,23 @@ int cpu_architecture(void) cpu_arch = (processor_id >> 16) & 7; if (cpu_arch) cpu_arch += CPU_ARCH_ARMv3; - } else { - /* the revised CPUID */ - cpu_arch = ((processor_id >> 12) & 0xf) - 0xb + CPU_ARCH_ARMv6; - } + } else if ((processor_id & 0x000f0000) == 0x000f0000) { + unsigned int mmfr0; + + /* Revised CPUID format. Read the Memory Model Feature + * Register 0 and check for VMSAv7 or PMSAv7 */ + asm("mrc p15, 0, %0, c0, c1, 4" + : "=r" (mmfr0)); + if ((mmfr0 & 0x0000000f) == 0x00000003 || + (mmfr0 & 0x000000f0) == 0x00000030) + cpu_arch = CPU_ARCH_ARMv7; + else if ((mmfr0 & 0x0000000f) == 0x00000002 || + (mmfr0 & 0x000000f0) == 0x00000020) + cpu_arch = CPU_ARCH_ARMv6; + else + cpu_arch = CPU_ARCH_UNKNOWN; + } else + cpu_arch = CPU_ARCH_UNKNOWN; return cpu_arch; } @@ -770,6 +784,23 @@ static int __init customize_machine(void) } arch_initcall(customize_machine); +#ifdef CONFIG_KEXEC + +/* Physical addr of where the boot params should be for this machine */ +extern unsigned long kexec_boot_params_address; + +/* Physical addr of the buffer into which the boot params are copied */ +extern unsigned long kexec_boot_params_copy; + +/* Pointer to the boot params buffer, for manipulation and display */ +unsigned long kexec_boot_params; +EXPORT_SYMBOL(kexec_boot_params); + +/* The buffer itself - make sure it is sized correctly */ +static unsigned long kexec_boot_params_buf[(KEXEC_BOOT_PARAMS_SIZE + 3) / 4]; + +#endif + void __init setup_arch(char **cmdline_p) { struct tag *tags = (struct tag *)&init_tags; @@ -788,6 +819,18 @@ void __init setup_arch(char **cmdline_p) else if (mdesc->boot_params) tags = phys_to_virt(mdesc->boot_params); +#ifdef CONFIG_KEXEC + kexec_boot_params_copy = virt_to_phys(kexec_boot_params_buf); + kexec_boot_params = (unsigned long)kexec_boot_params_buf; + if (__atags_pointer) { + kexec_boot_params_address = __atags_pointer; + memcpy((void *)kexec_boot_params, tags, KEXEC_BOOT_PARAMS_SIZE); + } else if (mdesc->boot_params) { + kexec_boot_params_address = mdesc->boot_params; + memcpy((void *)kexec_boot_params, tags, KEXEC_BOOT_PARAMS_SIZE); + } +#endif + /* * If we have the old style parameters, convert them to * a tag list. diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index a31157f1655a..05a9f8a1b45e 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -7,6 +7,8 @@ choice config ARCH_AT91RM9200 bool "AT91RM9200" + select GENERIC_TIME + select GENERIC_CLOCKEVENTS config ARCH_AT91SAM9260 bool "AT91SAM9260 or AT91SAM9XE" @@ -20,8 +22,15 @@ config ARCH_AT91SAM9263 config ARCH_AT91SAM9RL bool "AT91SAM9RL" +config ARCH_AT91X40 + bool "AT91x40" + endchoice +config AT91_PMC_UNIT + bool + default !ARCH_AT91X40 + # ---------------------------------------------------------- if ARCH_AT91RM9200 @@ -169,6 +178,22 @@ endif # ---------------------------------------------------------- +if ARCH_AT91X40 + +comment "AT91X40 Board Type" + +config MACH_AT91EB01 + bool "Atmel AT91EB01 Evaluation Kit" + help + Select this if you are using Atmel's AT91EB01 Evaluation Kit. + It is also a popular target for simulators such as GDB's + ARM simulator (commonly known as the ARMulator) and the + Skyeye simulator. + +endif + +# ---------------------------------------------------------- + comment "AT91 Board Options" config MTD_AT91_DATAFLASH_CARD diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index a4d80eb056ee..a21f08c64ea6 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -2,11 +2,12 @@ # Makefile for the linux kernel. # -obj-y := clock.o irq.o gpio.o +obj-y := irq.o gpio.o obj-m := obj-n := obj- := +obj-$(CONFIG_AT91_PMC_UNIT) += clock.o obj-$(CONFIG_PM) += pm.o # CPU-specific support @@ -15,6 +16,7 @@ obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_d obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o +obj-$(CONFIG_ARCH_AT91X40) += at91x40.o at91x40_time.o # AT91RM9200 board-specific support obj-$(CONFIG_MACH_ONEARM) += board-1arm.o @@ -27,6 +29,7 @@ obj-$(CONFIG_MACH_KB9200) += board-kb9202.o obj-$(CONFIG_MACH_ATEB9200) += board-eb9200.o obj-$(CONFIG_MACH_KAFA) += board-kafa.o obj-$(CONFIG_MACH_PICOTUX2XX) += board-picotux200.o +obj-$(CONFIG_MACH_AT91EB01) += board-eb01.o # AT91SAM9260 board-specific support obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c index a6340357585d..50392ff71513 100644 --- a/arch/arm/mach-at91/at91rm9200_time.c +++ b/arch/arm/mach-at91/at91rm9200_time.c @@ -19,70 +19,64 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/init.h> +#include <linux/kernel.h> #include <linux/interrupt.h> #include <linux/irq.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/time.h> +#include <linux/clockchips.h> -#include <asm/hardware.h> -#include <asm/io.h> #include <asm/mach/time.h> #include <asm/arch/at91_st.h> static unsigned long last_crtr; +static u32 irqmask; +static struct clock_event_device clkevt; /* - * The ST_CRTR is updated asynchronously to the master clock. It is therefore - * necessary to read it twice (with the same value) to ensure accuracy. + * The ST_CRTR is updated asynchronously to the master clock ... but + * the updates as seen by the CPU don't seem to be strictly monotonic. + * Waiting until we read the same value twice avoids glitching. */ -static inline unsigned long read_CRTR(void) { +static inline unsigned long read_CRTR(void) +{ unsigned long x1, x2; + x1 = at91_sys_read(AT91_ST_CRTR); do { - x1 = at91_sys_read(AT91_ST_CRTR); x2 = at91_sys_read(AT91_ST_CRTR); - } while (x1 != x2); - + if (x1 == x2) + break; + x1 = x2; + } while (1); return x1; } /* - * Returns number of microseconds since last timer interrupt. Note that interrupts - * will have been disabled by do_gettimeofday() - * 'LATCH' is hwclock ticks (see CLOCK_TICK_RATE in timex.h) per jiffy. - * 'tick' is usecs per jiffy (linux/timex.h). - */ -static unsigned long at91rm9200_gettimeoffset(void) -{ - unsigned long elapsed; - - elapsed = (read_CRTR() - last_crtr) & AT91_ST_ALMV; - - return (unsigned long)(elapsed * (tick_nsec / 1000)) / LATCH; -} - -/* * IRQ handler for the timer. */ static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id) { - if (at91_sys_read(AT91_ST_SR) & AT91_ST_PITS) { /* This is a shared interrupt */ - write_seqlock(&xtime_lock); + u32 sr = at91_sys_read(AT91_ST_SR) & irqmask; - while (((read_CRTR() - last_crtr) & AT91_ST_ALMV) >= LATCH) { - timer_tick(); - last_crtr = (last_crtr + LATCH) & AT91_ST_ALMV; - } + /* simulate "oneshot" timer with alarm */ + if (sr & AT91_ST_ALMS) { + clkevt.event_handler(&clkevt); + return IRQ_HANDLED; + } - write_sequnlock(&xtime_lock); + /* periodic mode should handle delayed ticks */ + if (sr & AT91_ST_PITS) { + u32 crtr = read_CRTR(); + while (((crtr - last_crtr) & AT91_ST_CRTV) >= LATCH) { + last_crtr += LATCH; + clkevt.event_handler(&clkevt); + } return IRQ_HANDLED; } - else - return IRQ_NONE; /* not handled */ + + /* this irq is shared ... */ + return IRQ_NONE; } static struct irqaction at91rm9200_timer_irq = { @@ -91,56 +85,127 @@ static struct irqaction at91rm9200_timer_irq = { .handler = at91rm9200_timer_interrupt }; -void at91rm9200_timer_reset(void) +static cycle_t read_clk32k(void) { - last_crtr = 0; + return read_CRTR(); +} - /* Real time counter incremented every 30.51758 microseconds */ - at91_sys_write(AT91_ST_RTMR, 1); +static struct clocksource clk32k = { + .name = "32k_counter", + .rating = 150, + .read = read_clk32k, + .mask = CLOCKSOURCE_MASK(20), + .shift = 10, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +static void +clkevt32k_mode(enum clock_event_mode mode, struct clock_event_device *dev) +{ + /* Disable and flush pending timer interrupts */ + at91_sys_write(AT91_ST_IDR, AT91_ST_PITS | AT91_ST_ALMS); + (void) at91_sys_read(AT91_ST_SR); - /* Set Period Interval timer */ - at91_sys_write(AT91_ST_PIMR, LATCH); + last_crtr = read_CRTR(); + switch (mode) { + case CLOCK_EVT_MODE_PERIODIC: + /* PIT for periodic irqs; fixed rate of 1/HZ */ + irqmask = AT91_ST_PITS; + at91_sys_write(AT91_ST_PIMR, LATCH); + break; + case CLOCK_EVT_MODE_ONESHOT: + /* ALM for oneshot irqs, set by next_event() + * before 32 seconds have passed + */ + irqmask = AT91_ST_ALMS; + at91_sys_write(AT91_ST_RTAR, last_crtr); + break; + case CLOCK_EVT_MODE_SHUTDOWN: + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_RESUME: + irqmask = 0; + break; + } + at91_sys_write(AT91_ST_IER, irqmask); +} - /* Clear any pending interrupts */ +static int +clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev) +{ + unsigned long flags; + u32 alm; + int status = 0; + + BUG_ON(delta < 2); + + /* Use "raw" primitives so we behave correctly on RT kernels. */ + raw_local_irq_save(flags); + + /* The alarm IRQ uses absolute time (now+delta), not the relative + * time (delta) in our calling convention. Like all clockevents + * using such "match" hardware, we have a race to defend against. + * + * Our defense here is to have set up the clockevent device so the + * delta is at least two. That way we never end up writing RTAR + * with the value then held in CRTR ... which would mean the match + * wouldn't trigger until 32 seconds later, after CRTR wraps. + */ + alm = read_CRTR(); + + /* Cancel any pending alarm; flush any pending IRQ */ + at91_sys_write(AT91_ST_RTAR, alm); (void) at91_sys_read(AT91_ST_SR); - /* Enable Period Interval Timer interrupt */ - at91_sys_write(AT91_ST_IER, AT91_ST_PITS); + /* Schedule alarm by writing RTAR. */ + alm += delta; + at91_sys_write(AT91_ST_RTAR, alm); + + raw_local_irq_restore(flags); + return status; } +static struct clock_event_device clkevt = { + .name = "at91_tick", + .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .shift = 32, + .rating = 150, + .cpumask = CPU_MASK_CPU0, + .set_next_event = clkevt32k_next_event, + .set_mode = clkevt32k_mode, +}; + /* - * Set up timer interrupt. + * ST (system timer) module supports both clockevents and clocksource. */ void __init at91rm9200_timer_init(void) { - /* Disable all timer interrupts */ - at91_sys_write(AT91_ST_IDR, AT91_ST_PITS | AT91_ST_WDOVF | AT91_ST_RTTINC | AT91_ST_ALMS); - (void) at91_sys_read(AT91_ST_SR); /* Clear any pending interrupts */ + /* Disable all timer interrupts, and clear any pending ones */ + at91_sys_write(AT91_ST_IDR, + AT91_ST_PITS | AT91_ST_WDOVF | AT91_ST_RTTINC | AT91_ST_ALMS); + (void) at91_sys_read(AT91_ST_SR); /* Make IRQs happen for the system timer */ setup_irq(AT91_ID_SYS, &at91rm9200_timer_irq); - /* Change the kernel's 'tick' value to 10009 usec. (the default is 10000) */ - tick_usec = (LATCH * 1000000) / CLOCK_TICK_RATE; + /* The 32KiHz "Slow Clock" (tick every 30517.58 nanoseconds) is used + * directly for the clocksource and all clockevents, after adjusting + * its prescaler from the 1 Hz default. + */ + at91_sys_write(AT91_ST_RTMR, 1); - /* Initialize and enable the timer interrupt */ - at91rm9200_timer_reset(); -} + /* Setup timer clockevent, with minimum of two ticks (important!!) */ + clkevt.mult = div_sc(AT91_SLOW_CLOCK, NSEC_PER_SEC, clkevt.shift); + clkevt.max_delta_ns = clockevent_delta2ns(AT91_ST_ALMV, &clkevt); + clkevt.min_delta_ns = clockevent_delta2ns(2, &clkevt) + 1; + clkevt.cpumask = cpumask_of_cpu(0); + clockevents_register_device(&clkevt); -#ifdef CONFIG_PM -static void at91rm9200_timer_suspend(void) -{ - /* disable Period Interval Timer interrupt */ - at91_sys_write(AT91_ST_IDR, AT91_ST_PITS); + /* register clocksource */ + clk32k.mult = clocksource_hz2mult(AT91_SLOW_CLOCK, clk32k.shift); + clocksource_register(&clk32k); } -#else -#define at91rm9200_timer_suspend NULL -#endif struct sys_timer at91rm9200_timer = { .init = at91rm9200_timer_init, - .offset = at91rm9200_gettimeoffset, - .suspend = at91rm9200_timer_suspend, - .resume = at91rm9200_timer_reset, }; diff --git a/arch/arm/mach-at91/at91x40.c b/arch/arm/mach-at91/at91x40.c new file mode 100644 index 000000000000..1de121fc55f4 --- /dev/null +++ b/arch/arm/mach-at91/at91x40.c @@ -0,0 +1,67 @@ +/* + * arch/arm/mach-at91/at91x40.c + * + * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com> + * Copyright (C) 2005 SAN People + * + * 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/init.h> +#include <linux/irq.h> +#include <asm/mach/arch.h> +#include <asm/arch/at91x40.h> +#include <asm/arch/at91_st.h> +#include "generic.h" + +/* + * This is used in the gpio code, stub locally. + */ +int clk_enable(struct clk *clk) +{ + return 0; +} + +void __init at91x40_initialize(unsigned long main_clock) +{ + at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1) + | (1 << AT91X40_ID_IRQ2); +} + +/* + * The default interrupt priority levels (0 = lowest, 7 = highest). + */ +static unsigned int at91x40_default_irq_priority[NR_AIC_IRQS] __initdata = { + 7, /* Advanced Interrupt Controller (FIQ) */ + 0, /* System Peripherals */ + 0, /* USART 0 */ + 0, /* USART 1 */ + 2, /* Timer Counter 0 */ + 2, /* Timer Counter 1 */ + 2, /* Timer Counter 2 */ + 0, /* Watchdog timer */ + 0, /* Parallel IO Controller A */ + 0, /* Reserved */ + 0, /* Reserved */ + 0, /* Reserved */ + 0, /* Reserved */ + 0, /* Reserved */ + 0, /* Reserved */ + 0, /* Reserved */ + 0, /* External IRQ0 */ + 0, /* External IRQ1 */ + 0, /* External IRQ2 */ +}; + +void __init at91x40_init_interrupts(unsigned int priority[NR_AIC_IRQS]) +{ + if (!priority) + priority = at91x40_default_irq_priority; + + at91_aic_init(priority); +} + diff --git a/arch/arm/mach-at91/at91x40_time.c b/arch/arm/mach-at91/at91x40_time.c new file mode 100644 index 000000000000..eddc882f1b4a --- /dev/null +++ b/arch/arm/mach-at91/at91x40_time.c @@ -0,0 +1,80 @@ +/* + * arch/arm/mach-at91/at91x40_time.c + * + * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.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/kernel.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/time.h> +#include <asm/hardware.h> +#include <asm/io.h> +#include <asm/mach/time.h> +#include <asm/arch/at91_tc.h> + +/* + * 3 counter/timer units present. + */ +#define AT91_TC_CLK0BASE 0 +#define AT91_TC_CLK1BASE 0x40 +#define AT91_TC_CLK2BASE 0x80 + +static unsigned long at91x40_gettimeoffset(void) +{ + return (at91_sys_read(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CV) * 1000000 / (AT91X40_MASTER_CLOCK / 128)); +} + +static irqreturn_t at91x40_timer_interrupt(int irq, void *dev_id) +{ + at91_sys_read(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_SR); + timer_tick(); + return IRQ_HANDLED; +} + +static struct irqaction at91x40_timer_irq = { + .name = "at91_tick", + .flags = IRQF_DISABLED | IRQF_TIMER, + .handler = at91x40_timer_interrupt +}; + +void __init at91x40_timer_init(void) +{ + unsigned int v; + + at91_sys_write(AT91_TC + AT91_TC_BCR, 0); + v = at91_sys_read(AT91_TC + AT91_TC_BMR); + v = (v & ~AT91_TC_TC1XC1S) | AT91_TC_TC1XC1S_NONE; + at91_sys_write(AT91_TC + AT91_TC_BMR, v); + + at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CCR, AT91_TC_CLKDIS); + at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CMR, (AT91_TC_TIMER_CLOCK4 | AT91_TC_CPCTRG)); + at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_IDR, 0xffffffff); + at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_RC, (AT91X40_MASTER_CLOCK / 128) / HZ - 1); + at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_IER, (1<<4)); + + setup_irq(AT91X40_ID_TC1, &at91x40_timer_irq); + + at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CCR, (AT91_TC_SWTRG | AT91_TC_CLKEN)); +} + +struct sys_timer at91x40_timer = { + .init = at91x40_timer_init, + .offset = at91x40_gettimeoffset, +}; + diff --git a/arch/arm/mach-at91/board-eb01.c b/arch/arm/mach-at91/board-eb01.c new file mode 100644 index 000000000000..0c1e3858e7df --- /dev/null +++ b/arch/arm/mach-at91/board-eb01.c @@ -0,0 +1,44 @@ +/* + * arch/arm/mach-at91/board-eb01.c + * + * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.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/kernel.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/irq.h> +#include <asm/mach-types.h> +#include <asm/hardware.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/arch/board.h> +#include "generic.h" + +static void __init at91eb01_map_io(void) +{ + at91x40_initialize(40000000); +} + +MACHINE_START(AT91EB01, "Atmel AT91 EB01") + /* Maintainer: Greg Ungerer <gerg@snapgear.com> */ + .timer = &at91x40_timer, + .init_irq = at91x40_init_interrupts, + .map_io = at91eb01_map_io, +MACHINE_END + diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index 68ed71a3e6c6..77d4c0a37842 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -14,6 +14,7 @@ extern void __init at91sam9260_initialize(unsigned long main_clock); extern void __init at91sam9261_initialize(unsigned long main_clock); extern void __init at91sam9263_initialize(unsigned long main_clock); extern void __init at91sam9rl_initialize(unsigned long main_clock); +extern void __init at91x40_initialize(unsigned long main_clock); /* Interrupts */ extern void __init at91rm9200_init_interrupts(unsigned int priority[]); @@ -21,12 +22,14 @@ extern void __init at91sam9260_init_interrupts(unsigned int priority[]); extern void __init at91sam9261_init_interrupts(unsigned int priority[]); extern void __init at91sam9263_init_interrupts(unsigned int priority[]); extern void __init at91sam9rl_init_interrupts(unsigned int priority[]); +extern void __init at91x40_init_interrupts(unsigned int priority[]); extern void __init at91_aic_init(unsigned int priority[]); /* Timer */ struct sys_timer; extern struct sys_timer at91rm9200_timer; extern struct sys_timer at91sam926x_timer; +extern struct sys_timer at91x40_timer; /* Clocks */ extern int __init at91_clock_init(unsigned long main_clock); diff --git a/arch/arm/mach-clps7500/core.c b/arch/arm/mach-clps7500/core.c index 4dde34f25e63..986205ec9269 100644 --- a/arch/arm/mach-clps7500/core.c +++ b/arch/arm/mach-clps7500/core.c @@ -193,7 +193,11 @@ static struct irq_chip clps7500_no_chip = { .unmask = cl7500_no_action, }; -static struct irqaction irq_isa = { no_action, 0, CPU_MASK_NONE, "isa", NULL, NULL }; +static struct irqaction irq_isa = { + .handler = no_action, + .mask = CPU_MASK_NONE, + .name = "isa", +}; static void __init clps7500_init_irq(void) { diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig index 575a21dabd2f..ea8549bfbef2 100644 --- a/arch/arm/mach-ep93xx/Kconfig +++ b/arch/arm/mach-ep93xx/Kconfig @@ -27,6 +27,12 @@ config MACH_EDB9302A Say 'Y' here if you want your kernel to support the Cirrus Logic EDB9302A Evaluation Board. +config MACH_EDB9307 + bool "Support Cirrus Logic EDB9307" + help + Say 'Y' here if you want your kernel to support the Cirrus + Logic EDB9307 Evaluation Board. + config MACH_EDB9312 bool "Support Cirrus Logic EDB9312" help diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile index 0d3bf932654e..0ecf99761feb 100644 --- a/arch/arm/mach-ep93xx/Makefile +++ b/arch/arm/mach-ep93xx/Makefile @@ -9,6 +9,7 @@ obj- := obj-$(CONFIG_MACH_ADSSPHERE) += adssphere.o obj-$(CONFIG_MACH_EDB9302) += edb9302.o obj-$(CONFIG_MACH_EDB9302A) += edb9302a.o +obj-$(CONFIG_MACH_EDB9307) += edb9307.o obj-$(CONFIG_MACH_EDB9312) += edb9312.o obj-$(CONFIG_MACH_EDB9315) += edb9315.o obj-$(CONFIG_MACH_EDB9315A) += edb9315a.o diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index 851cc7158ca3..70b2c7801110 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -336,7 +336,7 @@ static int ep93xx_gpio_irq_type(unsigned int irq, unsigned int type) if (line >= 0 && line < 16) { gpio_line_config(line, GPIO_IN); } else { - gpio_line_config(EP93XX_GPIO_LINE_F(line), GPIO_IN); + gpio_line_config(EP93XX_GPIO_LINE_F(line-16), GPIO_IN); } port = line >> 3; diff --git a/arch/arm/mach-ep93xx/edb9307.c b/arch/arm/mach-ep93xx/edb9307.c new file mode 100644 index 000000000000..d6a5698da91f --- /dev/null +++ b/arch/arm/mach-ep93xx/edb9307.c @@ -0,0 +1,91 @@ +/* + * arch/arm/mach-ep93xx/edb9307.c + * Cirrus Logic EDB9307 support. + * + * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org> + * + * 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/init.h> +#include <linux/mm.h> +#include <linux/sched.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/mtd/physmap.h> +#include <linux/platform_device.h> +#include <asm/io.h> +#include <asm/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +static struct physmap_flash_data edb9307_flash_data = { + .width = 4, +}; + +static struct resource edb9307_flash_resource = { + .start = 0x60000000, + .end = 0x61ffffff, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device edb9307_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &edb9307_flash_data, + }, + .num_resources = 1, + .resource = &edb9307_flash_resource, +}; + +static struct ep93xx_eth_data edb9307_eth_data = { + .phy_id = 1, +}; + +static struct resource edb9307_eth_resource[] = { + { + .start = EP93XX_ETHERNET_PHYS_BASE, + .end = EP93XX_ETHERNET_PHYS_BASE + 0xffff, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_EP93XX_ETHERNET, + .end = IRQ_EP93XX_ETHERNET, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device edb9307_eth_device = { + .name = "ep93xx-eth", + .id = -1, + .dev = { + .platform_data = &edb9307_eth_data, + }, + .num_resources = 2, + .resource = edb9307_eth_resource, +}; + +static void __init edb9307_init_machine(void) +{ + ep93xx_init_devices(); + platform_device_register(&edb9307_flash); + + memcpy(edb9307_eth_data.dev_addr, + (void *)(EP93XX_ETHERNET_BASE + 0x50), 6); + platform_device_register(&edb9307_eth_device); +} + +MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board") + /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */ + .phys_io = EP93XX_APB_PHYS_BASE, + .io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = 0x00000100, + .map_io = ep93xx_map_io, + .init_irq = ep93xx_init_irq, + .timer = &ep93xx_timer, + .init_machine = edb9307_init_machine, +MACHINE_END diff --git a/arch/arm/mach-footbridge/isa.c b/arch/arm/mach-footbridge/isa.c index 28846c7edaaf..725a219d0ed5 100644 --- a/arch/arm/mach-footbridge/isa.c +++ b/arch/arm/mach-footbridge/isa.c @@ -12,6 +12,39 @@ #include <asm/irq.h> +static struct resource rtc_resources[] = { + [0] = { + .start = 0x70, + .end = 0x73, + .flags = IORESOURCE_IO, + }, + [1] = { + .start = IRQ_ISA_RTC_ALARM, + .end = IRQ_ISA_RTC_ALARM, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device rtc_device = { + .name = "rtc_cmos", + .id = -1, + .resource = rtc_resources, + .num_resources = ARRAY_SIZE(rtc_resources), +}; + +static struct resource serial_resources[] = { + [0] = { + .start = 0x3f8, + .end = 0x3ff, + .flags = IORESOURCE_IO, + }, + [1] = { + .start = 0x2f8, + .end = 0x2ff, + .flags = IORESOURCE_IO, + }, +}; + static struct plat_serial8250_port serial_platform_data[] = { { .iobase = 0x3f8, @@ -38,11 +71,21 @@ static struct platform_device serial_device = { .dev = { .platform_data = serial_platform_data, }, + .resource = serial_resources, + .num_resources = ARRAY_SIZE(serial_resources), }; static int __init footbridge_isa_init(void) { - return platform_device_register(&serial_device); + int err; + + err = platform_device_register(&rtc_device); + if (err) + printk(KERN_ERR "Unable to register RTC device: %d\n", err); + err = platform_device_register(&serial_device); + if (err) + printk(KERN_ERR "Unable to register serial device: %d\n", err); + return 0; } arch_initcall(footbridge_isa_init); diff --git a/arch/arm/mach-imx/mx1ads.c b/arch/arm/mach-imx/mx1ads.c index da893c80d471..a9778c1587ab 100644 --- a/arch/arm/mach-imx/mx1ads.c +++ b/arch/arm/mach-imx/mx1ads.c @@ -116,7 +116,7 @@ static struct platform_device *devices[] __initdata = { }; #ifdef CONFIG_MMC_IMX -static int mx1ads_mmc_card_present(void) +static int mx1ads_mmc_card_present(struct device *dev) { /* MMC/SD Card Detect is PB 20 on MX1ADS V1.0.7 */ return (SSR(1) & (1 << 20) ? 0 : 1); diff --git a/arch/arm/mach-ns9xxx/Makefile b/arch/arm/mach-ns9xxx/Makefile index 4476411b8140..6fb82b855a55 100644 --- a/arch/arm/mach-ns9xxx/Makefile +++ b/arch/arm/mach-ns9xxx/Makefile @@ -1,4 +1,4 @@ -obj-y := irq.o time.o generic.o +obj-y := irq.o time.o generic.o gpio.o obj-$(CONFIG_MACH_CC9P9360DEV) += mach-cc9p9360dev.o obj-$(CONFIG_MACH_CC9P9360JS) += mach-cc9p9360js.o diff --git a/arch/arm/mach-ns9xxx/board-a9m9750dev.c b/arch/arm/mach-ns9xxx/board-a9m9750dev.c index 925048e7adfe..0f65177f9e5f 100644 --- a/arch/arm/mach-ns9xxx/board-a9m9750dev.c +++ b/arch/arm/mach-ns9xxx/board-a9m9750dev.c @@ -13,6 +13,7 @@ #include <linux/irq.h> #include <asm/mach/map.h> +#include <asm/gpio.h> #include <asm/arch-ns9xxx/board.h> #include <asm/arch-ns9xxx/regs-sys.h> @@ -44,7 +45,13 @@ static void a9m9750dev_fpga_ack_irq(unsigned int irq) static void a9m9750dev_fpga_mask_irq(unsigned int irq) { - FPGA_IER &= ~(1 << (irq - FPGA_IRQ(0))); + u8 ier; + + ier = __raw_readb(FPGA_IER); + + ier &= ~(1 << (irq - FPGA_IRQ(0))); + + __raw_writeb(ier, FPGA_IER); } static void a9m9750dev_fpga_maskack_irq(unsigned int irq) @@ -55,7 +62,13 @@ static void a9m9750dev_fpga_maskack_irq(unsigned int irq) static void a9m9750dev_fpga_unmask_irq(unsigned int irq) { - FPGA_IER |= 1 << (irq - FPGA_IRQ(0)); + u8 ier; + + ier = __raw_readb(FPGA_IER); + + ier |= 1 << (irq - FPGA_IRQ(0)); + + __raw_writeb(ier, FPGA_IER); } static struct irq_chip a9m9750dev_fpga_chip = { @@ -68,30 +81,34 @@ static struct irq_chip a9m9750dev_fpga_chip = { static void a9m9750dev_fpga_demux_handler(unsigned int irq, struct irq_desc *desc) { - int stat = FPGA_ISR; + u8 stat = __raw_readb(FPGA_ISR); + + desc->chip->mask_ack(irq); while (stat != 0) { int irqno = fls(stat) - 1; + struct irq_desc *fpgadesc; stat &= ~(1 << irqno); - desc = irq_desc + FPGA_IRQ(irqno); + fpgadesc = irq_desc + FPGA_IRQ(irqno); - desc_handle_irq(FPGA_IRQ(irqno), desc); + desc_handle_irq(FPGA_IRQ(irqno), fpgadesc); } + + desc->chip->unmask(irq); } void __init board_a9m9750dev_init_irq(void) { - u32 reg; + u32 eic; int i; - /* - * configure gpio for IRQ_EXT2 - * use GPIO 11, because GPIO 32 is used for the LCD - */ - /* XXX: proper GPIO handling */ - BBU_GCONFb1(1) &= ~0x2000; + if (gpio_request(11, "board a9m9750dev extirq2") == 0) + ns9xxx_gpio_configure(11, 0, 1); + else + printk(KERN_ERR "%s: cannot get gpio 11 for IRQ_EXT2\n", + __func__); for (i = FPGA_IRQ(0); i <= FPGA_IRQ(7); ++i) { set_irq_chip(i, &a9m9750dev_fpga_chip); @@ -100,10 +117,10 @@ void __init board_a9m9750dev_init_irq(void) } /* IRQ_EXT2: level sensitive + active low */ - reg = SYS_EIC(2); - REGSET(reg, SYS_EIC, PLTY, AL); - REGSET(reg, SYS_EIC, LVEDG, LEVEL); - SYS_EIC(2) = reg; + eic = __raw_readl(SYS_EIC(2)); + REGSET(eic, SYS_EIC, PLTY, AL); + REGSET(eic, SYS_EIC, LVEDG, LEVEL); + __raw_writel(eic, SYS_EIC(2)); set_irq_chained_handler(IRQ_EXT2, a9m9750dev_fpga_demux_handler); @@ -167,17 +184,18 @@ void __init board_a9m9750dev_init_machine(void) u32 reg; /* setup static CS0: memory base ... */ - REGSETIM(SYS_SMCSSMB(0), SYS_SMCSSMB, CSxB, - NS9XXX_CSxSTAT_PHYS(0) >> 12); + reg = __raw_readl(SYS_SMCSSMB(0)); + REGSETIM(reg, SYS_SMCSSMB, CSxB, NS9XXX_CSxSTAT_PHYS(0) >> 12); + __raw_writel(reg, SYS_SMCSSMB(0)); /* ... and mask */ - reg = SYS_SMCSSMM(0); + reg = __raw_readl(SYS_SMCSSMM(0)); REGSETIM(reg, SYS_SMCSSMM, CSxM, 0xfffff); REGSET(reg, SYS_SMCSSMM, CSEx, EN); - SYS_SMCSSMM(0) = reg; + __raw_writel(reg, SYS_SMCSSMM(0)); /* setup static CS0: memory configuration */ - reg = MEM_SMC(0); + reg = __raw_readl(MEM_SMC(0)); REGSET(reg, MEM_SMC, PSMC, OFF); REGSET(reg, MEM_SMC, BSMC, OFF); REGSET(reg, MEM_SMC, EW, OFF); @@ -185,13 +203,13 @@ void __init board_a9m9750dev_init_machine(void) REGSET(reg, MEM_SMC, PC, AL); REGSET(reg, MEM_SMC, PM, DIS); REGSET(reg, MEM_SMC, MW, 8); - MEM_SMC(0) = reg; + __raw_writel(reg, MEM_SMC(0)); /* setup static CS0: timing */ - MEM_SMWED(0) = 0x2; - MEM_SMOED(0) = 0x2; - MEM_SMRD(0) = 0x6; - MEM_SMWD(0) = 0x6; + __raw_writel(0x2, MEM_SMWED(0)); + __raw_writel(0x2, MEM_SMOED(0)); + __raw_writel(0x6, MEM_SMRD(0)); + __raw_writel(0x6, MEM_SMWD(0)); platform_add_devices(board_a9m9750dev_devices, ARRAY_SIZE(board_a9m9750dev_devices)); diff --git a/arch/arm/mach-ns9xxx/gpio.c b/arch/arm/mach-ns9xxx/gpio.c new file mode 100644 index 000000000000..b2230213b983 --- /dev/null +++ b/arch/arm/mach-ns9xxx/gpio.c @@ -0,0 +1,190 @@ +/* + * arch/arm/mach-ns9xxx/gpio.c + * + * Copyright (C) 2006 by Digi International Inc. + * All rights reserved. + * + * 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/compiler.h> +#include <linux/init.h> +#include <linux/spinlock.h> +#include <linux/module.h> + +#include <asm/arch-ns9xxx/gpio.h> +#include <asm/arch-ns9xxx/processor.h> +#include <asm/arch-ns9xxx/regs-bbu.h> +#include <asm/io.h> +#include <asm/bug.h> +#include <asm/types.h> +#include <asm/bitops.h> + +#if defined(CONFIG_PROCESSOR_NS9360) +#define GPIO_MAX 72 +#elif defined(CONFIG_PROCESSOR_NS9750) +#define GPIO_MAX 49 +#endif + +/* protects BBU_GCONFx and BBU_GCTRLx */ +static spinlock_t gpio_lock = __SPIN_LOCK_UNLOCKED(gpio_lock); + +/* only access gpiores with atomic ops */ +static DECLARE_BITMAP(gpiores, GPIO_MAX); + +static inline int ns9xxx_valid_gpio(unsigned gpio) +{ +#if defined(CONFIG_PROCESSOR_NS9360) + if (processor_is_ns9360()) + return gpio <= 72; + else +#endif +#if defined(CONFIG_PROCESSOR_NS9750) + if (processor_is_ns9750()) + return gpio <= 49; + else +#endif + BUG(); +} + +static inline void __iomem *ns9xxx_gpio_get_gconfaddr(unsigned gpio) +{ + if (gpio < 56) + return BBU_GCONFb1(gpio / 8); + else + /* + * this could be optimised away on + * ns9750 only builds, but it isn't ... + */ + return BBU_GCONFb2((gpio - 56) / 8); +} + +static inline void __iomem *ns9xxx_gpio_get_gctrladdr(unsigned gpio) +{ + if (gpio < 32) + return BBU_GCTRL1; + else if (gpio < 64) + return BBU_GCTRL2; + else + /* this could be optimised away on ns9750 only builds */ + return BBU_GCTRL3; +} + +static inline void __iomem *ns9xxx_gpio_get_gstataddr(unsigned gpio) +{ + if (gpio < 32) + return BBU_GSTAT1; + else if (gpio < 64) + return BBU_GSTAT2; + else + /* this could be optimised away on ns9750 only builds */ + return BBU_GSTAT3; +} + +int gpio_request(unsigned gpio, const char *label) +{ + if (likely(ns9xxx_valid_gpio(gpio))) + return test_and_set_bit(gpio, gpiores) ? -EBUSY : 0; + else + return -EINVAL; +} +EXPORT_SYMBOL(gpio_request); + +void gpio_free(unsigned gpio) +{ + clear_bit(gpio, gpiores); + return; +} +EXPORT_SYMBOL(gpio_free); + +/* + * each gpio can serve for 4 different purposes [0..3]. These are called + * "functions" and passed in the parameter func. Functions 0-2 are always some + * special things, function 3 is GPIO. If func == 3 dir specifies input or + * output, and with inv you can enable an inverter (independent of func). + */ +static int __ns9xxx_gpio_configure(unsigned gpio, int dir, int inv, int func) +{ + void __iomem *conf = ns9xxx_gpio_get_gconfaddr(gpio); + u32 confval; + unsigned long flags; + + spin_lock_irqsave(&gpio_lock, flags); + + confval = __raw_readl(conf); + REGSETIM_IDX(confval, BBU_GCONFx, DIR, gpio & 7, dir); + REGSETIM_IDX(confval, BBU_GCONFx, INV, gpio & 7, inv); + REGSETIM_IDX(confval, BBU_GCONFx, FUNC, gpio & 7, func); + __raw_writel(confval, conf); + + spin_unlock_irqrestore(&gpio_lock, flags); + + return 0; +} + +int ns9xxx_gpio_configure(unsigned gpio, int inv, int func) +{ + if (likely(ns9xxx_valid_gpio(gpio))) { + if (func == 3) { + printk(KERN_WARNING "use gpio_direction_input " + "or gpio_direction_output\n"); + return -EINVAL; + } else + return __ns9xxx_gpio_configure(gpio, 0, inv, func); + } else + return -EINVAL; +} +EXPORT_SYMBOL(ns9xxx_gpio_configure); + +int gpio_direction_input(unsigned gpio) +{ + if (likely(ns9xxx_valid_gpio(gpio))) { + return __ns9xxx_gpio_configure(gpio, 0, 0, 3); + } else + return -EINVAL; +} +EXPORT_SYMBOL(gpio_direction_input); + +int gpio_direction_output(unsigned gpio, int value) +{ + if (likely(ns9xxx_valid_gpio(gpio))) { + gpio_set_value(gpio, value); + + return __ns9xxx_gpio_configure(gpio, 1, 0, 3); + } else + return -EINVAL; +} +EXPORT_SYMBOL(gpio_direction_output); + +int gpio_get_value(unsigned gpio) +{ + void __iomem *stat = ns9xxx_gpio_get_gstataddr(gpio); + int ret; + + ret = 1 & (__raw_readl(stat) >> (gpio & 31)); + + return ret; +} +EXPORT_SYMBOL(gpio_get_value); + +void gpio_set_value(unsigned gpio, int value) +{ + void __iomem *ctrl = ns9xxx_gpio_get_gctrladdr(gpio); + u32 ctrlval; + unsigned long flags; + + spin_lock_irqsave(&gpio_lock, flags); + + ctrlval = __raw_readl(ctrl); + + if (value) + ctrlval |= 1 << (gpio & 31); + else + ctrlval &= ~(1 << (gpio & 31)); + + __raw_writel(ctrlval, ctrl); + + spin_unlock_irqrestore(&gpio_lock, flags); +} +EXPORT_SYMBOL(gpio_set_value); diff --git a/arch/arm/mach-ns9xxx/irq.c b/arch/arm/mach-ns9xxx/irq.c index b8c7b00522e6..00001b874e97 100644 --- a/arch/arm/mach-ns9xxx/irq.c +++ b/arch/arm/mach-ns9xxx/irq.c @@ -9,6 +9,7 @@ * the Free Software Foundation. */ #include <linux/interrupt.h> +#include <asm/io.h> #include <asm/mach/irq.h> #include <asm/mach-types.h> #include <asm/arch-ns9xxx/regs-sys.h> @@ -17,48 +18,17 @@ #include "generic.h" -static void ns9xxx_ack_irq_timer(unsigned int irq) -{ - u32 tc = SYS_TC(irq - IRQ_TIMER0); - - /* - * If the timer is programmed to halt on terminal count, the - * timer must be disabled before clearing the interrupt. - */ - if (REGGET(tc, SYS_TCx, REN) == 0) { - REGSET(tc, SYS_TCx, TEN, DIS); - SYS_TC(irq - IRQ_TIMER0) = tc; - } - - REGSET(tc, SYS_TCx, INTC, SET); - SYS_TC(irq - IRQ_TIMER0) = tc; - - REGSET(tc, SYS_TCx, INTC, UNSET); - SYS_TC(irq - IRQ_TIMER0) = tc; -} - -static void (*ns9xxx_ack_irq_functions[NR_IRQS])(unsigned int) = { - [IRQ_TIMER0] = ns9xxx_ack_irq_timer, - [IRQ_TIMER1] = ns9xxx_ack_irq_timer, - [IRQ_TIMER2] = ns9xxx_ack_irq_timer, - [IRQ_TIMER3] = ns9xxx_ack_irq_timer, -}; - static void ns9xxx_mask_irq(unsigned int irq) { /* XXX: better use cpp symbols */ - SYS_IC(irq / 4) &= ~(1 << (7 + 8 * (3 - (irq & 3)))); + u32 ic = __raw_readl(SYS_IC(irq / 4)); + ic &= ~(1 << (7 + 8 * (3 - (irq & 3)))); + __raw_writel(ic, SYS_IC(irq / 4)); } static void ns9xxx_ack_irq(unsigned int irq) { - if (!ns9xxx_ack_irq_functions[irq]) { - printk(KERN_ERR "no ack function for irq %u\n", irq); - BUG(); - } - - ns9xxx_ack_irq_functions[irq](irq); - SYS_ISRADDR = 0; + __raw_writel(0, SYS_ISRADDR); } static void ns9xxx_maskack_irq(unsigned int irq) @@ -70,7 +40,9 @@ static void ns9xxx_maskack_irq(unsigned int irq) static void ns9xxx_unmask_irq(unsigned int irq) { /* XXX: better use cpp symbols */ - SYS_IC(irq / 4) |= 1 << (7 + 8 * (3 - (irq & 3))); + u32 ic = __raw_readl(SYS_IC(irq / 4)); + ic |= 1 << (7 + 8 * (3 - (irq & 3))); + __raw_writel(ic, SYS_IC(irq / 4)); } static struct irq_chip ns9xxx_chip = { @@ -86,14 +58,14 @@ void __init ns9xxx_init_irq(void) /* disable all IRQs */ for (i = 0; i < 8; ++i) - SYS_IC(i) = (4 * i) << 24 | (4 * i + 1) << 16 | - (4 * i + 2) << 8 | (4 * i + 3); + __raw_writel((4 * i) << 24 | (4 * i + 1) << 16 | + (4 * i + 2) << 8 | (4 * i + 3), SYS_IC(i)); /* simple interrupt prio table: * prio(x) < prio(y) <=> x < y */ for (i = 0; i < 32; ++i) - SYS_IVA(i) = i; + __raw_writel(i, SYS_IVA(i)); for (i = IRQ_WATCHDOG; i <= IRQ_EXT3; ++i) { set_irq_chip(i, &ns9xxx_chip); diff --git a/arch/arm/mach-ns9xxx/time.c b/arch/arm/mach-ns9xxx/time.c index b97d0c54a388..c3dd1f4acb99 100644 --- a/arch/arm/mach-ns9xxx/time.c +++ b/arch/arm/mach-ns9xxx/time.c @@ -11,78 +11,174 @@ #include <linux/jiffies.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/stringify.h> +#include <linux/clocksource.h> +#include <linux/clockchips.h> + #include <asm/arch-ns9xxx/regs-sys.h> #include <asm/arch-ns9xxx/clock.h> #include <asm/arch-ns9xxx/irqs.h> #include <asm/arch/system.h> #include "generic.h" -#define TIMERCLOCKSELECT 64 +#define TIMER_CLOCKSOURCE 0 +#define TIMER_CLOCKEVENT 1 +static u32 latch; + +static cycle_t ns9xxx_clocksource_read(void) +{ + return __raw_readl(SYS_TR(TIMER_CLOCKSOURCE)); +} -static u32 usecs_per_tick; +static struct clocksource ns9xxx_clocksource = { + .name = "ns9xxx-timer" __stringify(TIMER_CLOCKSOURCE), + .rating = 300, + .read = ns9xxx_clocksource_read, + .mask = CLOCKSOURCE_MASK(32), + .shift = 20, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; -static irqreturn_t -ns9xxx_timer_interrupt(int irq, void *dev_id) +static void ns9xxx_clockevent_setmode(enum clock_event_mode mode, + struct clock_event_device *clk) { - write_seqlock(&xtime_lock); - timer_tick(); - write_sequnlock(&xtime_lock); + u32 tc = __raw_readl(SYS_TC(TIMER_CLOCKEVENT)); + + switch(mode) { + case CLOCK_EVT_MODE_PERIODIC: + __raw_writel(latch, SYS_TRC(TIMER_CLOCKEVENT)); + REGSET(tc, SYS_TCx, REN, EN); + REGSET(tc, SYS_TCx, INTS, EN); + REGSET(tc, SYS_TCx, TEN, EN); + break; + + case CLOCK_EVT_MODE_ONESHOT: + REGSET(tc, SYS_TCx, REN, DIS); + REGSET(tc, SYS_TCx, INTS, EN); + + /* fall through */ + + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_SHUTDOWN: + case CLOCK_EVT_MODE_RESUME: + default: + REGSET(tc, SYS_TCx, TEN, DIS); + break; + } + + __raw_writel(tc, SYS_TC(TIMER_CLOCKEVENT)); +} - return IRQ_HANDLED; +static int ns9xxx_clockevent_setnextevent(unsigned long evt, + struct clock_event_device *clk) +{ + u32 tc = __raw_readl(SYS_TC(TIMER_CLOCKEVENT)); + + if (REGGET(tc, SYS_TCx, TEN)) { + REGSET(tc, SYS_TCx, TEN, DIS); + __raw_writel(tc, SYS_TC(TIMER_CLOCKEVENT)); + } + + REGSET(tc, SYS_TCx, TEN, EN); + + __raw_writel(evt, SYS_TRC(TIMER_CLOCKEVENT)); + + __raw_writel(tc, SYS_TC(TIMER_CLOCKEVENT)); + + return 0; } -static unsigned long ns9xxx_timer_gettimeoffset(void) +static struct clock_event_device ns9xxx_clockevent_device = { + .name = "ns9xxx-timer" __stringify(TIMER_CLOCKEVENT), + .shift = 20, + .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .set_mode = ns9xxx_clockevent_setmode, + .set_next_event = ns9xxx_clockevent_setnextevent, +}; + +static irqreturn_t ns9xxx_clockevent_handler(int irq, void *dev_id) { - /* return the microseconds which have passed since the last interrupt - * was _serviced_. That is, if an interrupt is pending or the counter - * reloads, return one period more. */ + int timerno = irq - IRQ_TIMER0; + u32 tc; - u32 counter1 = SYS_TR(0); - int pending = SYS_ISR & (1 << IRQ_TIMER0); - u32 counter2 = SYS_TR(0); - u32 elapsed; + struct clock_event_device *evt = &ns9xxx_clockevent_device; - if (pending || counter2 > counter1) - elapsed = 2 * SYS_TRC(0) - counter2; - else - elapsed = SYS_TRC(0) - counter1; + /* clear irq */ + tc = __raw_readl(SYS_TC(timerno)); + if (REGGET(tc, SYS_TCx, REN) == SYS_TCx_REN_DIS) { + REGSET(tc, SYS_TCx, TEN, DIS); + __raw_writel(tc, SYS_TC(timerno)); + } + REGSET(tc, SYS_TCx, INTC, SET); + __raw_writel(tc, SYS_TC(timerno)); + REGSET(tc, SYS_TCx, INTC, UNSET); + __raw_writel(tc, SYS_TC(timerno)); - return (elapsed * usecs_per_tick) >> 16; + evt->event_handler(evt); + return IRQ_HANDLED; } -static struct irqaction ns9xxx_timer_irq = { - .name = "NS9xxx Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, - .handler = ns9xxx_timer_interrupt, +static struct irqaction ns9xxx_clockevent_action = { + .name = "ns9xxx-timer" __stringify(TIMER_CLOCKEVENT), + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .handler = ns9xxx_clockevent_handler, }; static void __init ns9xxx_timer_init(void) { int tc; - usecs_per_tick = - SH_DIV(1000000 * TIMERCLOCKSELECT, ns9xxx_cpuclock(), 16); + tc = __raw_readl(SYS_TC(TIMER_CLOCKSOURCE)); + if (REGGET(tc, SYS_TCx, TEN)) { + REGSET(tc, SYS_TCx, TEN, DIS); + __raw_writel(tc, SYS_TC(TIMER_CLOCKSOURCE)); + } - /* disable timer */ - if ((tc = SYS_TC(0)) & SYS_TCx_TEN) - SYS_TC(0) = tc & ~SYS_TCx_TEN; - - SYS_TRC(0) = SH_DIV(ns9xxx_cpuclock(), (TIMERCLOCKSELECT * HZ), 0); + __raw_writel(0, SYS_TRC(TIMER_CLOCKSOURCE)); REGSET(tc, SYS_TCx, TEN, EN); - REGSET(tc, SYS_TCx, TLCS, DIV64); /* This must match TIMERCLOCKSELECT */ - REGSET(tc, SYS_TCx, INTS, EN); - REGSET(tc, SYS_TCx, UDS, DOWN); REGSET(tc, SYS_TCx, TDBG, STOP); + REGSET(tc, SYS_TCx, TLCS, CPU); + REGSET(tc, SYS_TCx, TM, IEE); + REGSET(tc, SYS_TCx, INTS, DIS); + REGSET(tc, SYS_TCx, UDS, UP); REGSET(tc, SYS_TCx, TSZ, 32); REGSET(tc, SYS_TCx, REN, EN); - SYS_TC(0) = tc; - setup_irq(IRQ_TIMER0, &ns9xxx_timer_irq); + __raw_writel(tc, SYS_TC(TIMER_CLOCKSOURCE)); + + ns9xxx_clocksource.mult = clocksource_hz2mult(ns9xxx_cpuclock(), + ns9xxx_clocksource.shift); + + clocksource_register(&ns9xxx_clocksource); + + latch = SH_DIV(ns9xxx_cpuclock(), HZ, 0); + + tc = __raw_readl(SYS_TC(TIMER_CLOCKEVENT)); + REGSET(tc, SYS_TCx, TEN, DIS); + REGSET(tc, SYS_TCx, TDBG, STOP); + REGSET(tc, SYS_TCx, TLCS, CPU); + REGSET(tc, SYS_TCx, TM, IEE); + REGSET(tc, SYS_TCx, INTS, DIS); + REGSET(tc, SYS_TCx, UDS, DOWN); + REGSET(tc, SYS_TCx, TSZ, 32); + REGSET(tc, SYS_TCx, REN, EN); + __raw_writel(tc, SYS_TC(TIMER_CLOCKEVENT)); + + ns9xxx_clockevent_device.mult = div_sc(ns9xxx_cpuclock(), + NSEC_PER_SEC, ns9xxx_clockevent_device.shift); + ns9xxx_clockevent_device.max_delta_ns = + clockevent_delta2ns(-1, &ns9xxx_clockevent_device); + ns9xxx_clockevent_device.min_delta_ns = + clockevent_delta2ns(1, &ns9xxx_clockevent_device); + + ns9xxx_clockevent_device.cpumask = cpumask_of_cpu(0); + clockevents_register_device(&ns9xxx_clockevent_device); + + setup_irq(IRQ_TIMER0 + TIMER_CLOCKEVENT, &ns9xxx_clockevent_action); } struct sys_timer ns9xxx_timer = { .init = ns9xxx_timer_init, - .offset = ns9xxx_timer_gettimeoffset, }; diff --git a/arch/arm/mach-omap1/leds-innovator.c b/arch/arm/mach-omap1/leds-innovator.c index a0cd001ac39a..e7835d6f53a0 100644 --- a/arch/arm/mach-omap1/leds-innovator.c +++ b/arch/arm/mach-omap1/leds-innovator.c @@ -95,8 +95,5 @@ void innovator_leds_event(led_event_t evt) break; } - if (led_state & LED_STATE_ENABLED) - ; - local_irq_restore(flags); } diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 7393109f5c30..7069c9d536f1 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -11,6 +11,10 @@ config ARCH_OMAP2420 select OMAP_DM_TIMER select ARCH_OMAP_OTG +config ARCH_OMAP2430 + bool "OMAP2430 support" + depends on ARCH_OMAP24XX + comment "OMAP Board Type" depends on ARCH_OMAP2 @@ -21,8 +25,13 @@ 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 + select OMAP_DEBUG_DEVICES config MACH_OMAP_APOLLON bool "OMAP 2420 Apollon board" depends on ARCH_OMAP2 && ARCH_OMAP24XX + +config MACH_OMAP_2430SDP + bool "OMAP 2430 SDP board" + depends on ARCH_OMAP2 && ARCH_OMAP24XX + diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 266d88e77bdc..b05b738d31e6 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -14,5 +14,6 @@ obj-$(CONFIG_PM) += pm.o pm-domain.o sleep.o # Specific board support obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o +obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c new file mode 100644 index 000000000000..7e76fbf19b5d --- /dev/null +++ b/arch/arm/mach-omap2/board-2430sdp.c @@ -0,0 +1,218 @@ +/* + * linux/arch/arm/mach-omap2/board-2430sdp.c + * + * Copyright (C) 2006 Texas Instruments + * + * Modified from mach-omap2/board-generic.c + * + * Initial Code : Based on a patch from Komal Shah and Richard Woodruff + * Updated the Code for 2430 SDP : Syed Mohammed Khasim + * + * 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/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/clk.h> + +#include <asm/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/flash.h> + +#include <asm/arch/gpio.h> +#include <asm/arch/mux.h> +#include <asm/arch/board.h> +#include <asm/arch/common.h> +#include <asm/arch/gpmc.h> +#include "prcm-regs.h" + +#include <asm/io.h> + + +#define SDP2430_FLASH_CS 0 +#define SDP2430_SMC91X_CS 5 + +static struct mtd_partition sdp2430_partitions[] = { + /* bootloader (U-Boot, etc) in first sector */ + { + .name = "bootloader", + .offset = 0, + .size = SZ_256K, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + /* bootloader params in the next sector */ + { + .name = "params", + .offset = MTDPART_OFS_APPEND, + .size = SZ_128K, + .mask_flags = 0, + }, + /* kernel */ + { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = SZ_2M, + .mask_flags = 0 + }, + /* file system */ + { + .name = "filesystem", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0 + } +}; + +static struct flash_platform_data sdp2430_flash_data = { + .map_name = "cfi_probe", + .width = 2, + .parts = sdp2430_partitions, + .nr_parts = ARRAY_SIZE(sdp2430_partitions), +}; + +static struct resource sdp2430_flash_resource = { + .start = SDP2430_CS0_BASE, + .end = SDP2430_CS0_BASE + SZ_64M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device sdp2430_flash_device = { + .name = "omapflash", + .id = 0, + .dev = { + .platform_data = &sdp2430_flash_data, + }, + .num_resources = 1, + .resource = &sdp2430_flash_resource, +}; + +static struct resource sdp2430_smc91x_resources[] = { + [0] = { + .start = SDP2430_CS0_BASE, + .end = SDP2430_CS0_BASE + SZ_64M - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), + .end = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sdp2430_smc91x_device = { + .name = "smc91x", + .id = -1, + .num_resources = ARRAY_SIZE(sdp2430_smc91x_resources), + .resource = sdp2430_smc91x_resources, +}; + +static struct platform_device *sdp2430_devices[] __initdata = { + &sdp2430_smc91x_device, + &sdp2430_flash_device, +}; + +static inline void __init sdp2430_init_smc91x(void) +{ + int eth_cs; + unsigned long cs_mem_base; + unsigned int rate; + struct clk *l3ck; + + eth_cs = SDP2430_SMC91X_CS; + + l3ck = clk_get(NULL, "core_l3_ck"); + if (IS_ERR(l3ck)) + rate = 100000000; + else + rate = clk_get_rate(l3ck); + + /* Make sure CS1 timings are correct, for 2430 always muxed */ + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200); + + if (rate >= 160000000) { + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); + } else if (rate >= 130000000) { + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); + } else { /* rate = 100000000 */ + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2); + } + + if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) { + printk(KERN_ERR "Failed to request GPMC mem for smc91x\n"); + return; + } + + sdp2430_smc91x_resources[0].start = cs_mem_base + 0x300; + sdp2430_smc91x_resources[0].end = cs_mem_base + 0x30f; + udelay(100); + + if (omap_request_gpio(OMAP24XX_ETHR_GPIO_IRQ) < 0) { + printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n", + OMAP24XX_ETHR_GPIO_IRQ); + gpmc_cs_free(eth_cs); + return; + } + omap_set_gpio_direction(OMAP24XX_ETHR_GPIO_IRQ, 1); + +} + +static void __init omap_2430sdp_init_irq(void) +{ + omap2_init_common_hw(); + omap_init_irq(); + omap_gpio_init(); + sdp2430_init_smc91x(); +} + +static struct omap_uart_config sdp2430_uart_config __initdata = { + .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), +}; + +static struct omap_board_config_kernel sdp2430_config[] = { + {OMAP_TAG_UART, &sdp2430_uart_config}, +}; + +static void __init omap_2430sdp_init(void) +{ + platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices)); + omap_board_config = sdp2430_config; + omap_board_config_size = ARRAY_SIZE(sdp2430_config); + omap_serial_init(); +} + +static void __init omap_2430sdp_map_io(void) +{ + omap2_map_common_io(); +} + +MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board") + /* Maintainer: Syed Khasim - Texas Instruments Inc */ + .phys_io = 0x48000000, + .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .boot_params = 0x80000100, + .map_io = omap_2430sdp_map_io, + .init_irq = omap_2430sdp_init_irq, + .init_machine = omap_2430sdp_init, + .timer = &omap_timer, +MACHINE_END diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c index 878ff9181d0e..3bb49c17c858 100644 --- a/arch/arm/mach-omap2/board-apollon.c +++ b/arch/arm/mach-omap2/board-apollon.c @@ -25,6 +25,8 @@ #include <linux/irq.h> #include <linux/interrupt.h> #include <linux/delay.h> +#include <linux/leds.h> +#include <linux/irq.h> #include <asm/hardware.h> #include <asm/mach-types.h> @@ -32,10 +34,12 @@ #include <asm/mach/flash.h> #include <asm/arch/gpio.h> +#include <asm/arch/led.h> #include <asm/arch/mux.h> #include <asm/arch/usb.h> #include <asm/arch/board.h> #include <asm/arch/common.h> +#include <asm/arch/gpmc.h> #include "prcm-regs.h" /* LED & Switch macros */ @@ -46,6 +50,9 @@ #define SW_UP_GPIO17 17 #define SW_DOWN_GPIO58 58 +#define APOLLON_FLASH_CS 0 +#define APOLLON_ETH_CS 1 + static struct mtd_partition apollon_partitions[] = { { .name = "X-Loader + U-Boot", @@ -85,10 +92,10 @@ static struct flash_platform_data apollon_flash_data = { .nr_parts = ARRAY_SIZE(apollon_partitions), }; -static struct resource apollon_flash_resource = { - .start = APOLLON_CS0_BASE, - .end = APOLLON_CS0_BASE + SZ_128K, - .flags = IORESOURCE_MEM, +static struct resource apollon_flash_resource[] = { + [0] = { + .flags = IORESOURCE_MEM, + }, }; static struct platform_device apollon_onenand_device = { @@ -97,14 +104,24 @@ static struct platform_device apollon_onenand_device = { .dev = { .platform_data = &apollon_flash_data, }, - .num_resources = ARRAY_SIZE(&apollon_flash_resource), - .resource = &apollon_flash_resource, + .num_resources = ARRAY_SIZE(apollon_flash_resource), + .resource = apollon_flash_resource, }; +static void __init apollon_flash_init(void) +{ + unsigned long base; + + if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) { + printk(KERN_ERR "Cannot request OneNAND GPMC CS\n"); + return; + } + apollon_flash_resource[0].start = base; + apollon_flash_resource[0].end = base + SZ_128K - 1; +} + static struct resource apollon_smc91x_resources[] = { [0] = { - .start = APOLLON_ETHR_START, /* Physical */ - .end = APOLLON_ETHR_START + 0xf, .flags = IORESOURCE_MEM, }, [1] = { @@ -126,14 +143,51 @@ static struct platform_device apollon_lcd_device = { .id = -1, }; +static struct omap_led_config apollon_led_config[] = { + { + .cdev = { + .name = "apollon:led0", + }, + .gpio = LED0_GPIO13, + }, + { + .cdev = { + .name = "apollon:led1", + }, + .gpio = LED1_GPIO14, + }, + { + .cdev = { + .name = "apollon:led2", + }, + .gpio = LED2_GPIO15, + }, +}; + +static struct omap_led_platform_data apollon_led_data = { + .nr_leds = ARRAY_SIZE(apollon_led_config), + .leds = apollon_led_config, +}; + +static struct platform_device apollon_led_device = { + .name = "omap-led", + .id = -1, + .dev = { + .platform_data = &apollon_led_data, + }, +}; + static struct platform_device *apollon_devices[] __initdata = { &apollon_onenand_device, &apollon_smc91x_device, &apollon_lcd_device, + &apollon_led_device, }; static inline void __init apollon_init_smc91x(void) { + unsigned long base; + /* Make sure CS1 timings are correct */ GPMC_CONFIG1_1 = 0x00011203; GPMC_CONFIG2_1 = 0x001f1f01; @@ -141,13 +195,20 @@ static inline void __init apollon_init_smc91x(void) GPMC_CONFIG4_1 = 0x1c091c09; GPMC_CONFIG5_1 = 0x041f1f1f; GPMC_CONFIG6_1 = 0x000004c4; - GPMC_CONFIG7_1 = 0x00000f40 | (APOLLON_CS1_BASE >> 24); + + if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) { + printk(KERN_ERR "Failed to request GPMC CS for smc91x\n"); + return; + } + apollon_smc91x_resources[0].start = base + 0x300; + apollon_smc91x_resources[0].end = base + 0x30f; udelay(100); omap_cfg_reg(W4__24XX_GPIO74); if (omap_request_gpio(APOLLON_ETHR_GPIO_IRQ) < 0) { printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n", APOLLON_ETHR_GPIO_IRQ); + gpmc_cs_free(APOLLON_ETH_CS); return; } omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1); @@ -175,6 +236,13 @@ static struct omap_mmc_config apollon_mmc_config __initdata = { }, }; +static struct omap_usb_config apollon_usb_config __initdata = { + .register_dev = 1, + .hmc_mode = 0x14, /* 0:dev 1:host1 2:disable */ + + .pins[0] = 6, +}; + static struct omap_lcd_config apollon_lcd_config __initdata = { .ctrl_name = "internal", }; @@ -182,6 +250,7 @@ static struct omap_lcd_config apollon_lcd_config __initdata = { static struct omap_board_config_kernel apollon_config[] = { { OMAP_TAG_UART, &apollon_uart_config }, { OMAP_TAG_MMC, &apollon_mmc_config }, + { OMAP_TAG_USB, &apollon_usb_config }, { OMAP_TAG_LCD, &apollon_lcd_config }, }; @@ -250,10 +319,22 @@ static void __init apollon_sw_init(void) return; } +static void __init apollon_usb_init(void) +{ + /* USB device */ + /* DEVICE_SUSPEND */ + omap_cfg_reg(P21_242X_GPIO12); + omap_request_gpio(12); + omap_set_gpio_direction(12, 0); /* OUT */ + omap_set_gpio_dataout(12, 0); +} + static void __init omap_apollon_init(void) { apollon_led_init(); apollon_sw_init(); + apollon_flash_init(); + apollon_usb_init(); /* REVISIT: where's the correct place */ omap_cfg_reg(W19_24XX_SYS_NIRQ); diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index 452193f01531..f125f432cc3e 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -131,26 +131,6 @@ static struct platform_device h4_flash_device = { .resource = &h4_flash_resource, }; -static struct resource h4_smc91x_resources[] = { - [0] = { - .start = OMAP24XX_ETHR_START, /* Physical */ - .end = OMAP24XX_ETHR_START + 0xf, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), - .end = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device h4_smc91x_device = { - .name = "smc91x", - .id = -1, - .num_resources = ARRAY_SIZE(h4_smc91x_resources), - .resource = h4_smc91x_resources, -}; - /* Select between the IrDA and aGPS module */ static int h4_select_irda(struct device *dev, int state) @@ -266,29 +246,14 @@ 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) +static inline void __init h4_init_debug(void) { /* Make sure CS1 timings are correct */ GPMC_CONFIG1_1 = 0x00011200; @@ -301,12 +266,8 @@ static inline void __init h4_init_smc91x(void) udelay(100); omap_cfg_reg(M15_24XX_GPIO92); - if (omap_request_gpio(OMAP24XX_ETHR_GPIO_IRQ) < 0) { - printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n", - OMAP24XX_ETHR_GPIO_IRQ); - return; - } - omap_set_gpio_direction(OMAP24XX_ETHR_GPIO_IRQ, 1); + if (debug_card_init(cs_mem_base, OMAP24XX_ETHR_GPIO_IRQ) < 0) + gpmc_cs_free(eth_cs); } static void __init omap_h4_init_irq(void) @@ -314,7 +275,6 @@ static void __init omap_h4_init_irq(void) omap2_init_common_hw(); omap_init_irq(); omap_gpio_init(); - h4_init_smc91x(); } static struct omap_uart_config h4_uart_config __initdata = { diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 52ec2f2d6360..b603bc5f8e5b 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -55,8 +55,10 @@ static void omap_init_i2c(void) if (machine_is_omap_h4()) return; - omap_cfg_reg(J15_24XX_I2C2_SCL); - omap_cfg_reg(H19_24XX_I2C2_SDA); + if (!cpu_is_omap2430()) { + omap_cfg_reg(J15_24XX_I2C2_SCL); + omap_cfg_reg(H19_24XX_I2C2_SDA); + } (void) platform_device_register(&omap_i2c_device2); } diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index e290b989aa94..5a4cc2076a7d 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -22,7 +22,14 @@ #undef DEBUG +#ifdef CONFIG_ARCH_OMAP2420 #define GPMC_BASE 0x6800a000 +#endif + +#ifdef CONFIG_ARCH_OMAP2430 +#define GPMC_BASE 0x6E000000 +#endif + #define GPMC_REVISION 0x00 #define GPMC_SYSCONFIG 0x10 #define GPMC_SYSSTATUS 0x14 @@ -88,7 +95,7 @@ u32 gpmc_cs_read_reg(int cs, int idx) } /* TODO: Add support for gpmc_fck to clock framework and use it */ -static unsigned long gpmc_get_fclk_period(void) +unsigned long gpmc_get_fclk_period(void) { /* In picoseconds */ return 1000000000 / ((clk_get_rate(gpmc_l3_clk)) / 1000); @@ -104,6 +111,13 @@ unsigned int gpmc_ns_to_ticks(unsigned int time_ns) return (time_ns * 1000 + tick_ps - 1) / tick_ps; } +unsigned int gpmc_round_ns_to_ticks(unsigned int time_ns) +{ + unsigned long ticks = gpmc_ns_to_ticks(time_ns); + + return ticks * gpmc_get_fclk_period() / 1000; +} + #ifdef DEBUG static int set_gpmc_timing_reg(int cs, int reg, int st_bit, int end_bit, int time, const char *name) @@ -120,15 +134,21 @@ static int set_gpmc_timing_reg(int cs, int reg, int st_bit, int end_bit, else ticks = gpmc_ns_to_ticks(time); nr_bits = end_bit - st_bit + 1; - if (ticks >= 1 << nr_bits) + if (ticks >= 1 << nr_bits) { +#ifdef DEBUG + printk(KERN_INFO "GPMC CS%d: %-10s* %3d ns, %3d ticks >= %d\n", + cs, name, time, ticks, 1 << nr_bits); +#endif return -1; + } mask = (1 << nr_bits) - 1; l = gpmc_cs_read_reg(cs, reg); #ifdef DEBUG - printk(KERN_INFO "GPMC CS%d: %-10s: %d ticks, %3lu ns (was %i ticks)\n", + printk(KERN_INFO + "GPMC CS%d: %-10s: %3d ticks, %3lu ns (was %3i ticks) %3d ns\n", cs, name, ticks, gpmc_get_fclk_period() * ticks / 1000, - (l >> st_bit) & mask); + (l >> st_bit) & mask, time); #endif l &= ~(mask << st_bit); l |= ticks << st_bit; @@ -157,7 +177,7 @@ int gpmc_cs_calc_divider(int cs, unsigned int sync_clk) div = l / gpmc_get_fclk_period(); if (div > 4) return -1; - if (div < 0) + if (div <= 0) div = 1; return div; @@ -191,14 +211,19 @@ int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t) GPMC_SET_ONE(GPMC_CS_CONFIG5, 24, 27, page_burst_access); + /* caller is expected to have initialized CONFIG1 to cover + * at least sync vs async + */ + l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); + if (l & (GPMC_CONFIG1_READTYPE_SYNC | GPMC_CONFIG1_WRITETYPE_SYNC)) { #ifdef DEBUG - printk(KERN_INFO "GPMC CS%d CLK period is %lu (div %d)\n", - cs, gpmc_get_fclk_period(), div); + printk(KERN_INFO "GPMC CS%d CLK period is %lu ns (div %d)\n", + cs, (div * gpmc_get_fclk_period()) / 1000, div); #endif - - l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); - l &= ~0x03; - l |= (div - 1); + l &= ~0x03; + l |= (div - 1); + gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, l); + } return 0; } diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 871ace4fccb8..4dfd878d7968 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -17,7 +17,13 @@ #include <asm/io.h> +#if defined(CONFIG_ARCH_OMAP2420) #define OMAP24XX_TAP_BASE io_p2v(0x48014000) +#endif + +#if defined(CONFIG_ARCH_OMAP2430) +#define OMAP24XX_TAP_BASE io_p2v(0x4900A000) +#endif #define OMAP_TAP_IDCODE 0x0204 #define OMAP_TAP_PROD_ID 0x0208 diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 82dc70f6b779..5a4091f582ed 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -5,6 +5,7 @@ * * Copyright (C) 2005 Nokia Corporation * Author: Juha Yrjölä <juha.yrjola@nokia.com> + * Updated map desc to add 2430 support : <x0khasim@ti.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 @@ -26,6 +27,7 @@ extern void omap_sram_init(void); extern int omap2_clk_init(void); extern void omap2_check_revision(void); +extern void omap2_init_memory(void); extern void gpmc_init(void); extern void omapfb_reserve_sdram(void); @@ -40,6 +42,20 @@ static struct map_desc omap2_io_desc[] __initdata = { .length = L3_24XX_SIZE, .type = MT_DEVICE }, +#ifdef CONFIG_ARCH_OMAP2430 + { + .virtual = L4_WK_243X_VIRT, + .pfn = __phys_to_pfn(L4_WK_243X_PHYS), + .length = L4_WK_243X_SIZE, + .type = MT_DEVICE + }, + { + .virtual = OMAP243X_GPMC_VIRT, + .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS), + .length = OMAP243X_GPMC_SIZE, + .type = MT_DEVICE + }, +#endif { .virtual = DSP_MEM_24XX_VIRT, .pfn = __phys_to_pfn(DSP_MEM_24XX_PHYS), @@ -80,5 +96,11 @@ void __init omap2_init_common_hw(void) { omap2_mux_init(); omap2_clk_init(); +/* + * Need to Fix this for 2430 + */ +#ifndef CONFIG_ARCH_OMAP2430 + omap2_init_memory(); +#endif gpmc_init(); } diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index a39d30680300..f064f725e724 100644 --- a/arch/arm/mach-omap2/irq.c +++ b/arch/arm/mach-omap2/irq.c @@ -37,7 +37,7 @@ static struct omap_irq_bank { } __attribute__ ((aligned(4))) irq_banks[] = { { /* MPU INTC */ - .base_reg = OMAP24XX_IC_BASE, + .base_reg = IO_ADDRESS(OMAP24XX_IC_BASE), .nr_irqs = 96, }, { /* XXX: DSP INTC */ @@ -47,7 +47,7 @@ static struct omap_irq_bank { /* XXX: FIQ and additional INTC support (only MPU at the moment) */ static void omap_ack_irq(unsigned int irq) { - omap_writel(0x1, irq_banks[0].base_reg + INTC_CONTROL); + __raw_writel(0x1, irq_banks[0].base_reg + INTC_CONTROL); } static void omap_mask_irq(unsigned int irq) @@ -60,7 +60,7 @@ static void omap_mask_irq(unsigned int irq) irq %= 32; } - omap_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_SET0 + offset); + __raw_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_SET0 + offset); } static void omap_unmask_irq(unsigned int irq) @@ -73,7 +73,7 @@ static void omap_unmask_irq(unsigned int irq) irq %= 32; } - omap_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_CLEAR0 + offset); + __raw_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_CLEAR0 + offset); } static void omap_mask_ack_irq(unsigned int irq) @@ -93,17 +93,20 @@ static void __init omap_irq_bank_init_one(struct omap_irq_bank *bank) { unsigned long tmp; - tmp = omap_readl(bank->base_reg + INTC_REVISION) & 0xff; + tmp = __raw_readl(bank->base_reg + INTC_REVISION) & 0xff; printk(KERN_INFO "IRQ: Found an INTC at 0x%08lx " "(revision %ld.%ld) with %d interrupts\n", bank->base_reg, tmp >> 4, tmp & 0xf, bank->nr_irqs); - tmp = omap_readl(bank->base_reg + INTC_SYSCONFIG); + tmp = __raw_readl(bank->base_reg + INTC_SYSCONFIG); tmp |= 1 << 1; /* soft reset */ - omap_writel(tmp, bank->base_reg + INTC_SYSCONFIG); + __raw_writel(tmp, bank->base_reg + INTC_SYSCONFIG); - while (!(omap_readl(bank->base_reg + INTC_SYSSTATUS) & 0x1)) + while (!(__raw_readl(bank->base_reg + INTC_SYSSTATUS) & 0x1)) /* Wait for reset to complete */; + + /* Enable autoidle */ + __raw_writel(1 << 0, bank->base_reg + INTC_SYSCONFIG); } void __init omap_init_irq(void) diff --git a/arch/arm/mach-omap2/memory.c b/arch/arm/mach-omap2/memory.c index 85cbc2a2e663..3e5d8cd4ea4f 100644 --- a/arch/arm/mach-omap2/memory.c +++ b/arch/arm/mach-omap2/memory.c @@ -30,6 +30,7 @@ #include "prcm-regs.h" #include "memory.h" + static struct memory_timings mem_timings; u32 omap2_memory_get_slow_dll_ctrl(void) @@ -99,3 +100,20 @@ void omap2_init_memory_params(u32 force_lock_to_unlock_mode) /* 90 degree phase for anything below 133Mhz + disable DLL filter */ mem_timings.slow_dll_ctrl |= ((1 << 1) | (3 << 8)); } + +/* turn on smart idle modes for SDRAM scheduler and controller */ +void __init omap2_init_memory(void) +{ + u32 l; + + l = SMS_SYSCONFIG; + l &= ~(0x3 << 3); + l |= (0x2 << 3); + SMS_SYSCONFIG = l; + + l = SDRC_SYSCONFIG; + l &= ~(0x3 << 3); + l |= (0x2 << 3); + SDRC_SYSCONFIG = l; + +} diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index 0439906d5da7..05750975d746 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -53,8 +53,8 @@ MUX_CFG_24XX("W19_24XX_SYS_NIRQ", 0x12c, 0, 1, 1, 1) MUX_CFG_24XX("W14_24XX_SYS_CLKOUT", 0x137, 0, 1, 1, 1) /* 24xx GPMC chipselects, wait pin monitoring */ -MUX_CFG_24XX("E2_GPMC_NCS2", 0x08e, 0, 1, 1, 1) -MUX_CFG_24XX("L2_GPMC_NCS7", 0x093, 0, 1, 1, 1) +MUX_CFG_24XX("E2_GPMC_NCS2", 0x08e, 0, 1, 1, 1) +MUX_CFG_24XX("L2_GPMC_NCS7", 0x093, 0, 1, 1, 1) MUX_CFG_24XX("L3_GPMC_WAIT0", 0x09a, 0, 1, 1, 1) MUX_CFG_24XX("N7_GPMC_WAIT1", 0x09b, 0, 1, 1, 1) MUX_CFG_24XX("M1_GPMC_WAIT2", 0x09c, 0, 1, 1, 1) @@ -67,18 +67,18 @@ MUX_CFG_24XX("W15_24XX_MCBSP2_DR", 0x126, 1, 1, 0, 1) MUX_CFG_24XX("V15_24XX_MCBSP2_DX", 0x127, 1, 1, 0, 1) /* 24xx GPIO */ -MUX_CFG_24XX("M21_242X_GPIO11", 0x0c9, 3, 1, 1, 1) -MUX_CFG_24XX("P21_242X_GPIO12", 0x0ca, 3, 0, 0, 1) -MUX_CFG_24XX("AA10_242X_GPIO13", 0x0e5, 3, 0, 0, 1) -MUX_CFG_24XX("AA6_242X_GPIO14", 0x0e6, 3, 0, 0, 1) -MUX_CFG_24XX("AA4_242X_GPIO15", 0x0e7, 3, 0, 0, 1) -MUX_CFG_24XX("Y11_242X_GPIO16", 0x0e8, 3, 0, 0, 1) -MUX_CFG_24XX("AA12_242X_GPIO17", 0x0e9, 3, 0, 0, 1) -MUX_CFG_24XX("AA8_242X_GPIO58", 0x0ea, 3, 0, 0, 1) +MUX_CFG_24XX("M21_242X_GPIO11", 0x0c9, 3, 1, 1, 1) +MUX_CFG_24XX("P21_242X_GPIO12", 0x0ca, 3, 0, 0, 1) +MUX_CFG_24XX("AA10_242X_GPIO13", 0x0e5, 3, 0, 0, 1) +MUX_CFG_24XX("AA6_242X_GPIO14", 0x0e6, 3, 0, 0, 1) +MUX_CFG_24XX("AA4_242X_GPIO15", 0x0e7, 3, 0, 0, 1) +MUX_CFG_24XX("Y11_242X_GPIO16", 0x0e8, 3, 0, 0, 1) +MUX_CFG_24XX("AA12_242X_GPIO17", 0x0e9, 3, 0, 0, 1) +MUX_CFG_24XX("AA8_242X_GPIO58", 0x0ea, 3, 0, 0, 1) MUX_CFG_24XX("Y20_24XX_GPIO60", 0x12c, 3, 0, 0, 1) -MUX_CFG_24XX("W4__24XX_GPIO74", 0x0f2, 3, 0, 0, 1) +MUX_CFG_24XX("W4__24XX_GPIO74", 0x0f2, 3, 0, 0, 1) MUX_CFG_24XX("M15_24XX_GPIO92", 0x10a, 3, 0, 0, 1) -MUX_CFG_24XX("J15_24XX_GPIO99", 0x113, 3, 1, 1, 1) +MUX_CFG_24XX("J15_24XX_GPIO99", 0x113, 3, 1, 1, 1) MUX_CFG_24XX("V14_24XX_GPIO117", 0x128, 3, 1, 0, 1) MUX_CFG_24XX("P14_24XX_GPIO125", 0x140, 3, 1, 1, 1) @@ -95,17 +95,17 @@ MUX_CFG_24XX("T3_242X_GPIO55", 0xd9, 3, 0, 0, 1) MUX_CFG_24XX("U2_242X_GPIO56", 0xda, 3, 0, 0, 1) /* 24xx external DMA requests */ -MUX_CFG_24XX("AA10_242X_DMAREQ0", 0x0e5, 2, 0, 0, 1) -MUX_CFG_24XX("AA6_242X_DMAREQ1", 0x0e6, 2, 0, 0, 1) -MUX_CFG_24XX("E4_242X_DMAREQ2", 0x074, 2, 0, 0, 1) -MUX_CFG_24XX("G4_242X_DMAREQ3", 0x073, 2, 0, 0, 1) -MUX_CFG_24XX("D3_242X_DMAREQ4", 0x072, 2, 0, 0, 1) -MUX_CFG_24XX("E3_242X_DMAREQ5", 0x071, 2, 0, 0, 1) +MUX_CFG_24XX("AA10_242X_DMAREQ0", 0x0e5, 2, 0, 0, 1) +MUX_CFG_24XX("AA6_242X_DMAREQ1", 0x0e6, 2, 0, 0, 1) +MUX_CFG_24XX("E4_242X_DMAREQ2", 0x074, 2, 0, 0, 1) +MUX_CFG_24XX("G4_242X_DMAREQ3", 0x073, 2, 0, 0, 1) +MUX_CFG_24XX("D3_242X_DMAREQ4", 0x072, 2, 0, 0, 1) +MUX_CFG_24XX("E3_242X_DMAREQ5", 0x071, 2, 0, 0, 1) /* TSC IRQ */ MUX_CFG_24XX("P20_24XX_TSC_IRQ", 0x108, 0, 0, 0, 1) -/* UART3 */ +/* UART3 */ MUX_CFG_24XX("K15_24XX_UART3_TX", 0x118, 0, 0, 0, 1) MUX_CFG_24XX("K14_24XX_UART3_RX", 0x119, 0, 0, 0, 1) diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c new file mode 100644 index 000000000000..80bb42eb5082 --- /dev/null +++ b/arch/arm/mach-omap2/usb-tusb6010.c @@ -0,0 +1,349 @@ +/* + * linux/arch/arm/mach-omap2/usb-tusb6010.c + * + * Copyright (C) 2006 Nokia Corporation + * + * 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/types.h> +#include <linux/errno.h> +#include <linux/delay.h> +#include <linux/platform_device.h> + +#include <linux/usb/musb.h> + +#include <asm/arch/gpmc.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mux.h> + + +static u8 async_cs, sync_cs; +static unsigned refclk_psec; + + +/* t2_ps, when quantized to fclk units, must happen no earlier than + * the clock after after t1_NS. + * + * Return a possibly updated value of t2_ps, converted to nsec. + */ +static unsigned +next_clk(unsigned t1_NS, unsigned t2_ps, unsigned fclk_ps) +{ + unsigned t1_ps = t1_NS * 1000; + unsigned t1_f, t2_f; + + if ((t1_ps + fclk_ps) < t2_ps) + return t2_ps / 1000; + + t1_f = (t1_ps + fclk_ps - 1) / fclk_ps; + t2_f = (t2_ps + fclk_ps - 1) / fclk_ps; + + if (t1_f >= t2_f) + t2_f = t1_f + 1; + + return (t2_f * fclk_ps) / 1000; +} + +/* NOTE: timings are from tusb 6010 datasheet Rev 1.8, 12-Sept 2006 */ + +static int tusb_set_async_mode(unsigned sysclk_ps, unsigned fclk_ps) +{ + struct gpmc_timings t; + unsigned t_acsnh_advnh = sysclk_ps + 3000; + unsigned tmp; + + memset(&t, 0, sizeof(t)); + + /* CS_ON = t_acsnh_acsnl */ + t.cs_on = 8; + /* ADV_ON = t_acsnh_advnh - t_advn */ + t.adv_on = next_clk(t.cs_on, t_acsnh_advnh - 7000, fclk_ps); + + /* + * READ ... from omap2420 TRM fig 12-13 + */ + + /* ADV_RD_OFF = t_acsnh_advnh */ + t.adv_rd_off = next_clk(t.adv_on, t_acsnh_advnh, fclk_ps); + + /* OE_ON = t_acsnh_advnh + t_advn_oen (then wait for nRDY) */ + t.oe_on = next_clk(t.adv_on, t_acsnh_advnh + 1000, fclk_ps); + + /* ACCESS = counters continue only after nRDY */ + tmp = t.oe_on * 1000 + 300; + t.access = next_clk(t.oe_on, tmp, fclk_ps); + + /* OE_OFF = after data gets sampled */ + tmp = t.access * 1000; + t.oe_off = next_clk(t.access, tmp, fclk_ps); + + t.cs_rd_off = t.oe_off; + + tmp = t.cs_rd_off * 1000 + 7000 /* t_acsn_rdy_z */; + t.rd_cycle = next_clk(t.cs_rd_off, tmp, fclk_ps); + + /* + * WRITE ... from omap2420 TRM fig 12-15 + */ + + /* ADV_WR_OFF = t_acsnh_advnh */ + t.adv_wr_off = t.adv_rd_off; + + /* WE_ON = t_acsnh_advnh + t_advn_wen (then wait for nRDY) */ + t.we_on = next_clk(t.adv_wr_off, t_acsnh_advnh + 1000, fclk_ps); + + /* WE_OFF = after data gets sampled */ + tmp = t.we_on * 1000 + 300; + t.we_off = next_clk(t.we_on, tmp, fclk_ps); + + t.cs_wr_off = t.we_off; + + tmp = t.cs_wr_off * 1000 + 7000 /* t_acsn_rdy_z */; + t.wr_cycle = next_clk(t.cs_wr_off, tmp, fclk_ps); + + return gpmc_cs_set_timings(async_cs, &t); +} + +static int tusb_set_sync_mode(unsigned sysclk_ps, unsigned fclk_ps) +{ + struct gpmc_timings t; + unsigned t_scsnh_advnh = sysclk_ps + 3000; + unsigned tmp; + + memset(&t, 0, sizeof(t)); + t.cs_on = 8; + + /* ADV_ON = t_acsnh_advnh - t_advn */ + t.adv_on = next_clk(t.cs_on, t_scsnh_advnh - 7000, fclk_ps); + + /* GPMC_CLK rate = fclk rate / div */ + t.sync_clk = 12 /* 11.1 nsec */; + tmp = (t.sync_clk * 1000 + fclk_ps - 1) / fclk_ps; + if (tmp > 4) + return -ERANGE; + if (tmp <= 0) + tmp = 1; + t.page_burst_access = (fclk_ps * tmp) / 1000; + + /* + * READ ... based on omap2420 TRM fig 12-19, 12-20 + */ + + /* ADV_RD_OFF = t_scsnh_advnh */ + t.adv_rd_off = next_clk(t.adv_on, t_scsnh_advnh, fclk_ps); + + /* OE_ON = t_scsnh_advnh + t_advn_oen * fclk_ps (then wait for nRDY) */ + tmp = (t.adv_rd_off * 1000) + (3 * fclk_ps); + t.oe_on = next_clk(t.adv_on, tmp, fclk_ps); + + /* ACCESS = number of clock cycles after t_adv_eon */ + tmp = (t.oe_on * 1000) + (5 * fclk_ps); + t.access = next_clk(t.oe_on, tmp, fclk_ps); + + /* OE_OFF = after data gets sampled */ + tmp = (t.access * 1000) + (1 * fclk_ps); + t.oe_off = next_clk(t.access, tmp, fclk_ps); + + t.cs_rd_off = t.oe_off; + + tmp = t.cs_rd_off * 1000 + 7000 /* t_scsn_rdy_z */; + t.rd_cycle = next_clk(t.cs_rd_off, tmp, fclk_ps); + + /* + * WRITE ... based on omap2420 TRM fig 12-21 + */ + + /* ADV_WR_OFF = t_scsnh_advnh */ + t.adv_wr_off = t.adv_rd_off; + + /* WE_ON = t_scsnh_advnh + t_advn_wen * fclk_ps (then wait for nRDY) */ + tmp = (t.adv_wr_off * 1000) + (3 * fclk_ps); + t.we_on = next_clk(t.adv_wr_off, tmp, fclk_ps); + + /* WE_OFF = number of clock cycles after t_adv_wen */ + tmp = (t.we_on * 1000) + (6 * fclk_ps); + t.we_off = next_clk(t.we_on, tmp, fclk_ps); + + t.cs_wr_off = t.we_off; + + tmp = t.cs_wr_off * 1000 + 7000 /* t_scsn_rdy_z */; + t.wr_cycle = next_clk(t.cs_wr_off, tmp, fclk_ps); + + return gpmc_cs_set_timings(sync_cs, &t); +} + +extern unsigned long gpmc_get_fclk_period(void); + +/* tusb driver calls this when it changes the chip's clocking */ +int tusb6010_platform_retime(unsigned is_refclk) +{ + static const char error[] = + KERN_ERR "tusb6010 %s retime error %d\n"; + + unsigned fclk_ps = gpmc_get_fclk_period(); + unsigned sysclk_ps; + int status; + + if (!refclk_psec) + return -ENODEV; + + sysclk_ps = is_refclk ? refclk_psec : TUSB6010_OSCCLK_60; + + status = tusb_set_async_mode(sysclk_ps, fclk_ps); + if (status < 0) { + printk(error, "async", status); + goto done; + } + status = tusb_set_sync_mode(sysclk_ps, fclk_ps); + if (status < 0) + printk(error, "sync", status); +done: + return status; +} +EXPORT_SYMBOL_GPL(tusb6010_platform_retime); + +static struct resource tusb_resources[] = { + /* Order is significant! The start/end fields + * are updated during setup.. + */ + { /* Asynchronous access */ + .flags = IORESOURCE_MEM, + }, + { /* Synchronous access */ + .flags = IORESOURCE_MEM, + }, + { /* IRQ */ + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 tusb_dmamask = ~(u32)0; + +static struct platform_device tusb_device = { + .name = "musb_hdrc", + .id = -1, + .dev = { + .dma_mask = &tusb_dmamask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(tusb_resources), + .resource = tusb_resources, +}; + + +/* this may be called only from board-*.c setup code */ +int __init +tusb6010_setup_interface(struct musb_hdrc_platform_data *data, + unsigned ps_refclk, unsigned waitpin, + unsigned async, unsigned sync, + unsigned irq, unsigned dmachan) +{ + int status; + static char error[] __initdata = + KERN_ERR "tusb6010 init error %d, %d\n"; + + /* ASYNC region, primarily for PIO */ + status = gpmc_cs_request(async, SZ_16M, (unsigned long *) + &tusb_resources[0].start); + if (status < 0) { + printk(error, 1, status); + return status; + } + tusb_resources[0].end = tusb_resources[0].start + 0x9ff; + async_cs = async; + gpmc_cs_write_reg(async, GPMC_CS_CONFIG1, + GPMC_CONFIG1_PAGE_LEN(2) + | GPMC_CONFIG1_WAIT_READ_MON + | GPMC_CONFIG1_WAIT_WRITE_MON + | GPMC_CONFIG1_WAIT_PIN_SEL(waitpin) + | GPMC_CONFIG1_READTYPE_ASYNC + | GPMC_CONFIG1_WRITETYPE_ASYNC + | GPMC_CONFIG1_DEVICESIZE_16 + | GPMC_CONFIG1_DEVICETYPE_NOR + | GPMC_CONFIG1_MUXADDDATA); + + + /* SYNC region, primarily for DMA */ + status = gpmc_cs_request(sync, SZ_16M, (unsigned long *) + &tusb_resources[1].start); + if (status < 0) { + printk(error, 2, status); + return status; + } + tusb_resources[1].end = tusb_resources[1].start + 0x9ff; + sync_cs = sync; + gpmc_cs_write_reg(sync, GPMC_CS_CONFIG1, + GPMC_CONFIG1_READMULTIPLE_SUPP + | GPMC_CONFIG1_READTYPE_SYNC + | GPMC_CONFIG1_WRITEMULTIPLE_SUPP + | GPMC_CONFIG1_WRITETYPE_SYNC + | GPMC_CONFIG1_CLKACTIVATIONTIME(1) + | GPMC_CONFIG1_PAGE_LEN(2) + | GPMC_CONFIG1_WAIT_READ_MON + | GPMC_CONFIG1_WAIT_WRITE_MON + | GPMC_CONFIG1_WAIT_PIN_SEL(waitpin) + | GPMC_CONFIG1_DEVICESIZE_16 + | GPMC_CONFIG1_DEVICETYPE_NOR + | GPMC_CONFIG1_MUXADDDATA + /* fclk divider gets set later */ + ); + + /* IRQ */ + status = omap_request_gpio(irq); + if (status < 0) { + printk(error, 3, status); + return status; + } + omap_set_gpio_direction(irq, 1); + tusb_resources[2].start = irq + IH_GPIO_BASE; + + /* set up memory timings ... can speed them up later */ + if (!ps_refclk) { + printk(error, 4, status); + return -ENODEV; + } + refclk_psec = ps_refclk; + status = tusb6010_platform_retime(1); + if (status < 0) { + printk(error, 5, status); + return status; + } + + /* finish device setup ... */ + if (!data) { + printk(error, 6, status); + return -ENODEV; + } + data->multipoint = 1; + tusb_device.dev.platform_data = data; + + /* REVISIT let the driver know what DMA channels work */ + if (!dmachan) + tusb_device.dev.dma_mask = NULL; + else { + /* assume OMAP 2420 ES2.0 and later */ + if (dmachan & (1 << 0)) + omap_cfg_reg(AA10_242X_DMAREQ0); + if (dmachan & (1 << 1)) + omap_cfg_reg(AA6_242X_DMAREQ1); + if (dmachan & (1 << 2)) + omap_cfg_reg(E4_242X_DMAREQ2); + if (dmachan & (1 << 3)) + omap_cfg_reg(G4_242X_DMAREQ3); + if (dmachan & (1 << 4)) + omap_cfg_reg(D3_242X_DMAREQ4); + if (dmachan & (1 << 5)) + omap_cfg_reg(E3_242X_DMAREQ5); + } + + /* so far so good ... register the device */ + status = platform_device_register(&tusb_device); + if (status < 0) { + printk(error, 7, status); + return status; + } + return 0; +} diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index aab27297b3c6..2363cc64fe07 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -20,6 +20,7 @@ #include <linux/interrupt.h> #include <linux/mmc/host.h> #include <linux/pm.h> +#include <linux/backlight.h> #include <asm/setup.h> #include <asm/memory.h> @@ -142,15 +143,28 @@ struct corgissp_machinfo corgi_ssp_machinfo = { /* * Corgi Backlight Device */ -static struct corgibl_machinfo corgi_bl_machinfo = { +static void corgi_bl_kick_battery(void) +{ + void (*kick_batt)(void); + + kick_batt = symbol_get(sharpsl_battery_kick); + if (kick_batt) { + kick_batt(); + symbol_put(sharpsl_battery_kick); + } +} + +static struct generic_bl_info corgi_bl_machinfo = { + .name = "corgi-bl", .max_intensity = 0x2f, .default_intensity = 0x1f, .limit_mask = 0x0b, .set_bl_intensity = corgi_bl_set_intensity, + .kick_battery = corgi_bl_kick_battery, }; static struct platform_device corgibl_device = { - .name = "corgi-bl", + .name = "generic-bl", .dev = { .parent = &corgifb_device.dev, .platform_data = &corgi_bl_machinfo, diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index bae47e145de8..2d78199d24af 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -21,6 +21,7 @@ #include <linux/interrupt.h> #include <linux/mmc/host.h> #include <linux/pm.h> +#include <linux/backlight.h> #include <asm/setup.h> #include <asm/memory.h> @@ -222,14 +223,27 @@ struct corgissp_machinfo spitz_ssp_machinfo = { /* * Spitz Backlight Device */ -static struct corgibl_machinfo spitz_bl_machinfo = { +static void spitz_bl_kick_battery(void) +{ + void (*kick_batt)(void); + + kick_batt = symbol_get(sharpsl_battery_kick); + if (kick_batt) { + kick_batt(); + symbol_put(sharpsl_battery_kick); + } +} + +static struct generic_bl_info spitz_bl_machinfo = { + .name = "corgi-bl", .default_intensity = 0x1f, .limit_mask = 0x0b, .max_intensity = 0x2f, + .kick_battery = spitz_bl_kick_battery, }; static struct platform_device spitzbl_device = { - .name = "corgi-bl", + .name = "generic-bl", .dev = { .platform_data = &spitz_bl_machinfo, }, diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c index 80d83739ab9f..8f12e855ef5f 100644 --- a/arch/arm/mach-s3c2410/dma.c +++ b/arch/arm/mach-s3c2410/dma.c @@ -145,7 +145,7 @@ static struct s3c24xx_dma_order __initdata s3c2410_dma_order = { }, }; -static int s3c2410_dma_add(struct sys_device *sysdev) +static int __init s3c2410_dma_add(struct sys_device *sysdev) { s3c2410_dma_init(); s3c24xx_dma_order_set(&s3c2410_dma_order); diff --git a/arch/arm/mach-s3c2412/dma.c b/arch/arm/mach-s3c2412/dma.c index 4b9425c1bf72..53c1d5bbce19 100644 --- a/arch/arm/mach-s3c2412/dma.c +++ b/arch/arm/mach-s3c2412/dma.c @@ -144,7 +144,7 @@ static struct s3c24xx_dma_selection __initdata s3c2412_dma_sel = { .map_size = ARRAY_SIZE(s3c2412_dma_mappings), }; -static int s3c2412_dma_add(struct sys_device *sysdev) +static int __init s3c2412_dma_add(struct sys_device *sysdev) { s3c2410_dma_init(); return s3c24xx_dma_init_map(&s3c2412_dma_sel); diff --git a/arch/arm/mach-s3c2412/irq.c b/arch/arm/mach-s3c2412/irq.c index f0d66828f965..e9d0c769f5da 100644 --- a/arch/arm/mach-s3c2412/irq.c +++ b/arch/arm/mach-s3c2412/irq.c @@ -38,6 +38,9 @@ #include <asm/plat-s3c24xx/irq.h> #include <asm/plat-s3c24xx/pm.h> +#define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1) +#define INTMSK_SUB(start, end) (INTMSK(start, end) << ((start - S3C2410_IRQSUB(0)))) + /* the s3c2412 changes the behaviour of IRQ_EINT0 through IRQ_EINT3 by * having them turn up in both the INT* and the EINT* registers. Whilst * both show the status, they both now need to be acked when the IRQs @@ -105,6 +108,51 @@ static struct irq_chip s3c2412_irq_eint0t4 = { .set_type = s3c_irqext_type, }; +#define INTBIT(x) (1 << ((x) - S3C2410_IRQSUB(0))) + +/* CF and SDI sub interrupts */ + +static void s3c2412_irq_demux_cfsdi(unsigned int irq, struct irq_desc *desc) +{ + unsigned int subsrc, submsk; + + subsrc = __raw_readl(S3C2410_SUBSRCPND); + submsk = __raw_readl(S3C2410_INTSUBMSK); + + subsrc &= ~submsk; + + if (subsrc & INTBIT(IRQ_S3C2412_SDI)) + desc_handle_irq(IRQ_S3C2412_SDI, irq_desc + IRQ_S3C2412_SDI); + + if (subsrc & INTBIT(IRQ_S3C2412_CF)) + desc_handle_irq(IRQ_S3C2412_CF, irq_desc + IRQ_S3C2412_CF); +} + +#define INTMSK_CFSDI (1UL << (IRQ_S3C2412_CFSDI - IRQ_EINT0)) +#define SUBMSK_CFSDI INTMSK_SUB(IRQ_S3C2412_SDI, IRQ_S3C2412_CF) + +static void s3c2412_irq_cfsdi_mask(unsigned int irqno) +{ + s3c_irqsub_mask(irqno, INTMSK_CFSDI, SUBMSK_CFSDI); +} + +static void s3c2412_irq_cfsdi_unmask(unsigned int irqno) +{ + s3c_irqsub_unmask(irqno, INTMSK_CFSDI); +} + +static void s3c2412_irq_cfsdi_ack(unsigned int irqno) +{ + s3c_irqsub_maskack(irqno, INTMSK_CFSDI, SUBMSK_CFSDI); +} + +static struct irq_chip s3c2412_irq_cfsdi = { + .name = "s3c2412-cfsdi", + .ack = s3c2412_irq_cfsdi_ack, + .mask = s3c2412_irq_cfsdi_mask, + .unmask = s3c2412_irq_cfsdi_unmask, +}; + static int s3c2412_irq_add(struct sys_device *sysdev) { unsigned int irqno; @@ -115,6 +163,16 @@ static int s3c2412_irq_add(struct sys_device *sysdev) set_irq_flags(irqno, IRQF_VALID); } + /* add demux support for CF/SDI */ + + set_irq_chained_handler(IRQ_S3C2412_CFSDI, s3c2412_irq_demux_cfsdi); + + for (irqno = IRQ_S3C2412_SDI; irqno <= IRQ_S3C2412_CF; irqno++) { + set_irq_chip(irqno, &s3c2412_irq_cfsdi); + set_irq_handler(irqno, handle_level_irq); + set_irq_flags(irqno, IRQF_VALID); + } + return 0; } diff --git a/arch/arm/mach-s3c2412/s3c2412.c b/arch/arm/mach-s3c2412/s3c2412.c index e0ccb404623f..4f92a1562d77 100644 --- a/arch/arm/mach-s3c2412/s3c2412.c +++ b/arch/arm/mach-s3c2412/s3c2412.c @@ -78,6 +78,11 @@ void __init s3c2412_init_uarts(struct s3c2410_uartcfg *cfg, int no) s3c_device_lcd.name = "s3c2412-lcd"; s3c_device_nand.name = "s3c2412-nand"; + /* alter IRQ of SDI controller */ + + s3c_device_sdi.resource[1].start = IRQ_S3C2412_SDI; + s3c_device_sdi.resource[1].end = IRQ_S3C2412_SDI; + /* spi channel related changes, s3c2412/13 specific */ s3c_device_spi0.name = "s3c2412-spi"; s3c_device_spi0.resource[0].end = S3C24XX_PA_SPI + 0x24; diff --git a/arch/arm/mach-s3c2440/dma.c b/arch/arm/mach-s3c2440/dma.c index f509f062e749..0b1260827ac6 100644 --- a/arch/arm/mach-s3c2440/dma.c +++ b/arch/arm/mach-s3c2440/dma.c @@ -190,7 +190,7 @@ static struct s3c24xx_dma_order __initdata s3c2440_dma_order = { }, }; -static int s3c2440_dma_add(struct sys_device *sysdev) +static int __init s3c2440_dma_add(struct sys_device *sysdev) { s3c2410_dma_init(); s3c24xx_dma_order_set(&s3c2440_dma_order); diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c index 0ba7e9060c7b..c326983f4a8f 100644 --- a/arch/arm/mach-s3c2440/mach-osiris.c +++ b/arch/arm/mach-s3c2440/mach-osiris.c @@ -276,7 +276,21 @@ static unsigned char pm_osiris_ctrl0; static int osiris_pm_suspend(struct sys_device *sd, pm_message_t state) { + unsigned int tmp; + pm_osiris_ctrl0 = __raw_readb(OSIRIS_VA_CTRL0); + tmp = pm_osiris_ctrl0 & ~OSIRIS_CTRL0_NANDSEL; + + /* ensure correct NAND slot is selected on resume */ + if ((pm_osiris_ctrl0 & OSIRIS_CTRL0_BOOT_INT) == 0) + tmp |= 2; + + __raw_writeb(tmp, OSIRIS_VA_CTRL0); + + /* ensure that an nRESET is not generated on resume. */ + s3c2410_gpio_setpin(S3C2410_GPA21, 1); + s3c2410_gpio_cfgpin(S3C2410_GPA21, S3C2410_GPA21_OUT); + return 0; } @@ -285,6 +299,10 @@ static int osiris_pm_resume(struct sys_device *sd) if (pm_osiris_ctrl0 & OSIRIS_CTRL0_FIX8) __raw_writeb(OSIRIS_CTRL1_FIX8, OSIRIS_VA_CTRL1); + __raw_writeb(pm_osiris_ctrl0, OSIRIS_VA_CTRL0); + + s3c2410_gpio_cfgpin(S3C2410_GPA21, S3C2410_GPA21_nRSTOUT); + return 0; } diff --git a/arch/arm/mach-s3c2443/dma.c b/arch/arm/mach-s3c2443/dma.c index fc3ede82af8f..f6c006d4297b 100644 --- a/arch/arm/mach-s3c2443/dma.c +++ b/arch/arm/mach-s3c2443/dma.c @@ -162,7 +162,7 @@ static struct s3c24xx_dma_selection __initdata s3c2443_dma_sel = { .map_size = ARRAY_SIZE(s3c2443_dma_mappings), }; -static int s3c2443_dma_add(struct sys_device *sysdev) +static int __init s3c2443_dma_add(struct sys_device *sysdev) { s3c24xx_dma_init(6, IRQ_S3C2443_DMA0, 0x100); return s3c24xx_dma_init_map(&s3c2443_dma_sel); diff --git a/arch/arm/mach-s3c2443/irq.c b/arch/arm/mach-s3c2443/irq.c index 6cd4818f3f0d..f9ad498a6fc0 100644 --- a/arch/arm/mach-s3c2443/irq.c +++ b/arch/arm/mach-s3c2443/irq.c @@ -252,7 +252,7 @@ static int __init s3c2443_add_sub(unsigned int base, return 0; } -static int s3c2443_irq_add(struct sys_device *sysdev) +static int __init s3c2443_irq_add(struct sys_device *sysdev) { printk("S3C2443: IRQ Support\n"); @@ -280,7 +280,7 @@ static struct sysdev_driver s3c2443_irq_driver = { .add = s3c2443_irq_add, }; -static int s3c2443_irq_init(void) +static int __init s3c2443_irq_init(void) { return sysdev_driver_register(&s3c2443_sysclass, &s3c2443_irq_driver); } diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index b4e9b734e0bd..76b800a95191 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -57,7 +57,17 @@ static void l2x0_inv_range(unsigned long start, unsigned long end) { unsigned long addr; - start &= ~(CACHE_LINE_SIZE - 1); + if (start & (CACHE_LINE_SIZE - 1)) { + start &= ~(CACHE_LINE_SIZE - 1); + sync_writel(start, L2X0_CLEAN_INV_LINE_PA, 1); + start += CACHE_LINE_SIZE; + } + + if (end & (CACHE_LINE_SIZE - 1)) { + end &= ~(CACHE_LINE_SIZE - 1); + sync_writel(end, L2X0_CLEAN_INV_LINE_PA, 1); + } + for (addr = start; addr < end; addr += CACHE_LINE_SIZE) sync_writel(addr, L2X0_INV_LINE_PA, 1); cache_sync(); diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/consistent.c index 1f9f94f9af4b..cefdf2f9f26e 100644 --- a/arch/arm/mm/consistent.c +++ b/arch/arm/mm/consistent.c @@ -481,7 +481,7 @@ core_initcall(consistent_init); * platforms with CONFIG_DMABOUNCE. * Use the driver DMA support - see dma-mapping.h (dma_sync_*) */ -void consistent_sync(const void *start, size_t size, int direction) +void dma_cache_maint(const void *start, size_t size, int direction) { const void *end = start + size; @@ -504,4 +504,4 @@ void consistent_sync(const void *start, size_t size, int direction) BUG(); } } -EXPORT_SYMBOL(consistent_sync); +EXPORT_SYMBOL(dma_cache_maint); diff --git a/arch/arm/nwfpe/ARM-gcc.h b/arch/arm/nwfpe/ARM-gcc.h index e6598470b076..436e54aa02ec 100644 --- a/arch/arm/nwfpe/ARM-gcc.h +++ b/arch/arm/nwfpe/ARM-gcc.h @@ -68,7 +68,7 @@ a compiler does not support explicit inlining, this macro should be defined to be `static'. ------------------------------------------------------------------------------- */ -#define INLINE extern __inline__ +#define INLINE static inline /* For use as a GCC soft-float library we need some special function names. */ diff --git a/arch/arm/nwfpe/entry.S b/arch/arm/nwfpe/entry.S index 1dc13bc6d810..48bca0db4607 100644 --- a/arch/arm/nwfpe/entry.S +++ b/arch/arm/nwfpe/entry.S @@ -70,13 +70,24 @@ floating point instructions. GCC attempts to group floating point instructions to allow the emulator to spread the cost of the trap over several floating point instructions. */ +#include <asm/asm-offsets.h> + .globl nwfpe_enter nwfpe_enter: mov r4, lr @ save the failure-return addresses mov sl, sp @ we access the registers via 'sl' - ldr r5, [sp, #60] @ get contents of PC; + ldr r5, [sp, #S_PC] @ get contents of PC; + mov r6, r0 @ save the opcode emulate: + ldr r1, [sp, #S_PSR] @ fetch the PSR + bl checkCondition @ check the condition + cmp r0, #0 @ r0 = 0 ==> condition failed + + @ if condition code failed to match, next insn + beq next @ get the next instruction; + + mov r0, r6 @ prepare for EmulateAll() bl EmulateAll @ emulate the instruction cmp r0, #0 @ was emulation successful moveq pc, r4 @ no, return failure @@ -91,18 +102,10 @@ next: teqne r2, #0x0E000000 movne pc, r9 @ return ok if not a fp insn - str r5, [sp, #60] @ update PC copy in regs + str r5, [sp, #S_PC] @ update PC copy in regs mov r0, r6 @ save a copy - ldr r1, [sp, #64] @ fetch the condition codes - bl checkCondition @ check the condition - cmp r0, #0 @ r0 = 0 ==> condition failed - - @ if condition code failed to match, next insn - beq next @ get the next instruction; - - mov r0, r6 @ prepare for EmulateAll() - b emulate @ if r0 != 0, goto EmulateAll + b emulate @ check condition and emulate @ We need to be prepared for the instructions at .Lx1 and .Lx2 @ to fault. Emit the appropriate exception gunk to fix things up. diff --git a/arch/arm/nwfpe/fpa11.inl b/arch/arm/nwfpe/fpa11.inl index 10c3caf2868f..ab8d6826245f 100644 --- a/arch/arm/nwfpe/fpa11.inl +++ b/arch/arm/nwfpe/fpa11.inl @@ -22,13 +22,13 @@ #include "fpa11.h" /* Read and write floating point status register */ -extern __inline__ unsigned int readFPSR(void) +static inline unsigned int readFPSR(void) { FPA11 *fpa11 = GET_FPA11(); return (fpa11->fpsr); } -extern __inline__ void writeFPSR(FPSR reg) +static inline void writeFPSR(FPSR reg) { FPA11 *fpa11 = GET_FPA11(); /* the sysid byte in the status register is readonly */ @@ -36,14 +36,14 @@ extern __inline__ void writeFPSR(FPSR reg) } /* Read and write floating point control register */ -extern __inline__ FPCR readFPCR(void) +static inline FPCR readFPCR(void) { FPA11 *fpa11 = GET_FPA11(); /* clear SB, AB and DA bits before returning FPCR */ return (fpa11->fpcr & ~MASK_RFC); } -extern __inline__ void writeFPCR(FPCR reg) +static inline void writeFPCR(FPCR reg) { FPA11 *fpa11 = GET_FPA11(); fpa11->fpcr &= ~MASK_WFC; /* clear SB, AB and DA bits */ diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index cfc69f3842fd..c1f7e5a819a3 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -20,10 +20,15 @@ endchoice comment "OMAP Feature Selections" -config OMAP_DEBUG_LEDS +config OMAP_DEBUG_DEVICES bool help - For debug card leds on TI reference boards. + For debug cards on TI reference boards. + +config OMAP_DEBUG_LEDS + bool + depends on OMAP_DEBUG_DEVICES + default y if LEDS || LEDS_OMAP_DEBUG config OMAP_RESET_CLOCKS bool "Reset unused clocks during boot" diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile index 41a3c1cf3bd4..2549129aabc6 100644 --- a/arch/arm/plat-omap/Makefile +++ b/arch/arm/plat-omap/Makefile @@ -17,4 +17,5 @@ obj-$(CONFIG_ARCH_OMAP16XX) += ocpi.o obj-$(CONFIG_CPU_FREQ) += cpu-omap.o obj-$(CONFIG_OMAP_DM_TIMER) += dmtimer.o +obj-$(CONFIG_OMAP_DEBUG_DEVICES) += debug-devices.o obj-$(CONFIG_OMAP_DEBUG_LEDS) += debug-leds.o diff --git a/arch/arm/plat-omap/debug-devices.c b/arch/arm/plat-omap/debug-devices.c new file mode 100644 index 000000000000..83a5f8b91857 --- /dev/null +++ b/arch/arm/plat-omap/debug-devices.c @@ -0,0 +1,86 @@ +/* + * linux/arch/arm/plat-omap/debug-devices.c + * + * Copyright (C) 2005 Nokia Corporation + * Modified from mach-omap2/board-h4.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/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> + +#include <asm/hardware.h> +#include <asm/io.h> + +#include <asm/arch/board.h> +#include <asm/arch/gpio.h> + + +/* Many OMAP development platforms reuse the same "debug board"; these + * platforms include H2, H3, H4, and Perseus2. + */ + +static struct resource smc91x_resources[] = { + [0] = { + .flags = IORESOURCE_MEM, + }, + [1] = { + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = -1, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, +}; + +static struct resource led_resources[] = { + [0] = { + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device led_device = { + .name = "omap_dbg_led", + .id = -1, + .num_resources = ARRAY_SIZE(led_resources), + .resource = led_resources, +}; + +static struct platform_device *debug_devices[] __initdata = { + &smc91x_device, + &led_device, + /* ps2 kbd + mouse ports */ + /* 4 extra uarts */ + /* 6 input dip switches */ + /* 8 output pins */ +}; + +int __init debug_card_init(u32 addr, unsigned gpio) +{ + int status; + + smc91x_resources[0].start = addr + 0x300; + smc91x_resources[0].end = addr + 0x30f; + + smc91x_resources[1].start = OMAP_GPIO_IRQ(gpio); + smc91x_resources[1].end = OMAP_GPIO_IRQ(gpio); + + status = omap_request_gpio(gpio); + if (status < 0) { + printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio); + return status; + } + omap_set_gpio_direction(gpio, 1); + + led_resources[0].start = addr; + led_resources[0].end = addr + SZ_4K - 1; + + return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices)); +} diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c index 6d048490c559..992ca435a922 100644 --- a/arch/arm/plat-s3c24xx/dma.c +++ b/arch/arm/plat-s3c24xx/dma.c @@ -1372,7 +1372,7 @@ int __init s3c24xx_dma_init(unsigned int channels, unsigned int irq, return ret; } -int s3c2410_dma_init(void) +int __init s3c2410_dma_init(void) { return s3c24xx_dma_init(4, IRQ_DMA0, 0x40); } diff --git a/arch/arm/plat-s3c24xx/sleep.S b/arch/arm/plat-s3c24xx/sleep.S index d47113bbc34c..a646cbe8244c 100644 --- a/arch/arm/plat-s3c24xx/sleep.S +++ b/arch/arm/plat-s3c24xx/sleep.S @@ -96,6 +96,14 @@ resume_with_mmu: s3c2410_sleep_save_phys: .word 0 + + /* sleep magic, to allow the bootloader to check for an valid + * image to resume to. Must be the first word before the + * s3c2410_cpu_resume entry. + */ + + .word 0x2bedf00d + /* s3c2410_cpu_resume * * resume code entry for bootloader to call |
