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-rw-r--r--arch/sparc/Kconfig39
-rw-r--r--arch/sparc/Makefile3
-rw-r--r--arch/sparc/boot/Makefile31
-rw-r--r--arch/sparc/include/asm/bitops_32.h3
-rw-r--r--arch/sparc/include/asm/bitops_64.h4
-rw-r--r--arch/sparc/include/asm/errno.h2
-rw-r--r--arch/sparc/include/asm/fcntl.h2
-rw-r--r--arch/sparc/include/asm/futex_64.h20
-rw-r--r--arch/sparc/include/asm/hypervisor.h20
-rw-r--r--arch/sparc/include/asm/ioctls.h1
-rw-r--r--arch/sparc/include/asm/irq_32.h3
-rw-r--r--arch/sparc/include/asm/irq_64.h20
-rw-r--r--arch/sparc/include/asm/leon.h3
-rw-r--r--arch/sparc/include/asm/leon_amba.h6
-rw-r--r--arch/sparc/include/asm/mmu_32.h3
-rw-r--r--arch/sparc/include/asm/ns87303.h2
-rw-r--r--arch/sparc/include/asm/parport.h6
-rw-r--r--arch/sparc/include/asm/pcr.h2
-rw-r--r--arch/sparc/include/asm/ptrace.h2
-rw-r--r--arch/sparc/include/asm/rwsem.h46
-rw-r--r--arch/sparc/include/asm/smp_32.h6
-rw-r--r--arch/sparc/include/asm/thread_info_32.h6
-rw-r--r--arch/sparc/include/asm/thread_info_64.h24
-rw-r--r--arch/sparc/include/asm/types.h22
-rw-r--r--arch/sparc/include/asm/unistd.h6
-rw-r--r--arch/sparc/kernel/Makefile2
-rw-r--r--arch/sparc/kernel/apc.c7
-rw-r--r--arch/sparc/kernel/auxio_64.c9
-rw-r--r--arch/sparc/kernel/central.c18
-rw-r--r--arch/sparc/kernel/chmc.c19
-rw-r--r--arch/sparc/kernel/cpu.c2
-rw-r--r--arch/sparc/kernel/ds.c2
-rw-r--r--arch/sparc/kernel/entry.S6
-rw-r--r--arch/sparc/kernel/entry.h4
-rw-r--r--arch/sparc/kernel/head_64.S2
-rw-r--r--arch/sparc/kernel/init_task.c2
-rw-r--r--arch/sparc/kernel/iommu.c3
-rw-r--r--arch/sparc/kernel/ioport.c108
-rw-r--r--arch/sparc/kernel/irq.h42
-rw-r--r--arch/sparc/kernel/irq_32.c260
-rw-r--r--arch/sparc/kernel/irq_64.c385
-rw-r--r--arch/sparc/kernel/kernel.h49
-rw-r--r--arch/sparc/kernel/ldc.c28
-rw-r--r--arch/sparc/kernel/leon_kernel.c11
-rw-r--r--arch/sparc/kernel/leon_pmc.c82
-rw-r--r--arch/sparc/kernel/leon_smp.c36
-rw-r--r--arch/sparc/kernel/mdesc.c2
-rw-r--r--arch/sparc/kernel/of_device_32.c59
-rw-r--r--arch/sparc/kernel/of_device_64.c2
-rw-r--r--arch/sparc/kernel/of_device_common.c27
-rw-r--r--arch/sparc/kernel/pci.c11
-rw-r--r--arch/sparc/kernel/pci_common.c11
-rw-r--r--arch/sparc/kernel/pci_fire.c19
-rw-r--r--arch/sparc/kernel/pci_impl.h4
-rw-r--r--arch/sparc/kernel/pci_msi.c47
-rw-r--r--arch/sparc/kernel/pci_psycho.c9
-rw-r--r--arch/sparc/kernel/pci_sabre.c11
-rw-r--r--arch/sparc/kernel/pci_schizo.c17
-rw-r--r--arch/sparc/kernel/pci_sun4v.c18
-rw-r--r--arch/sparc/kernel/pcic.c4
-rw-r--r--arch/sparc/kernel/pcr.c2
-rw-r--r--arch/sparc/kernel/perf_event.c2
-rw-r--r--arch/sparc/kernel/pmc.c7
-rw-r--r--arch/sparc/kernel/power.c8
-rw-r--r--arch/sparc/kernel/prom_irqtrans.c16
-rw-r--r--arch/sparc/kernel/ptrace_64.c3
-rw-r--r--arch/sparc/kernel/setup_32.c19
-rw-r--r--arch/sparc/kernel/smp_64.c11
-rw-r--r--arch/sparc/kernel/sun4c_irq.c85
-rw-r--r--arch/sparc/kernel/sun4d_irq.c298
-rw-r--r--arch/sparc/kernel/sun4d_smp.c176
-rw-r--r--arch/sparc/kernel/sun4m_irq.c202
-rw-r--r--arch/sparc/kernel/sun4m_smp.c91
-rw-r--r--arch/sparc/kernel/sys_sparc_64.c21
-rw-r--r--arch/sparc/kernel/systbls_32.S4
-rw-r--r--arch/sparc/kernel/systbls_64.S6
-rw-r--r--arch/sparc/kernel/tick14.c39
-rw-r--r--arch/sparc/kernel/time_32.c21
-rw-r--r--arch/sparc/kernel/time_64.c24
-rw-r--r--arch/sparc/kernel/traps_64.c3
-rw-r--r--arch/sparc/kernel/una_asm_64.S2
-rw-r--r--arch/sparc/kernel/vmlinux.lds.S2
-rw-r--r--arch/sparc/lib/atomic32.c2
-rw-r--r--arch/sparc/math-emu/Makefile2
-rw-r--r--arch/sparc/mm/fault_32.c3
-rw-r--r--arch/sparc/mm/init_32.c2
-rw-r--r--arch/sparc/mm/srmmu.c4
-rw-r--r--arch/sparc/mm/sun4c.c4
-rw-r--r--arch/sparc/prom/misc_32.c4
89 files changed, 1315 insertions, 1348 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 95695e97703e..e560d102215a 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -51,6 +51,8 @@ config SPARC64
select HAVE_PERF_EVENTS
select PERF_USE_VMALLOC
select HAVE_GENERIC_HARDIRQS
+ select GENERIC_IRQ_SHOW
+ select IRQ_PREFLOW_FASTEOI
config ARCH_DEFCONFIG
string
@@ -191,6 +193,10 @@ config GENERIC_FIND_NEXT_BIT
bool
default y
+config GENERIC_FIND_BIT_LE
+ bool
+ default y
+
config GENERIC_HWEIGHT
bool
default y if !ULTRA_HAS_POPULATION_COUNT
@@ -460,6 +466,39 @@ config SPARC_LEON
from www.gaisler.com. You can download a sparc-linux cross-compilation
toolchain at www.gaisler.com.
+if SPARC_LEON
+menu "U-Boot options"
+
+config UBOOT_LOAD_ADDR
+ hex "uImage Load Address"
+ default 0x40004000
+ ---help---
+ U-Boot kernel load address, the address in physical address space
+ where u-boot will place the Linux kernel before booting it.
+ This address is normally the base address of main memory + 0x4000.
+
+config UBOOT_FLASH_ADDR
+ hex "uImage.o Load Address"
+ default 0x00080000
+ ---help---
+ Optional setting only affecting the uImage.o ELF-image used to
+ download the uImage file to the target using a ELF-loader other than
+ U-Boot. It may for example be used to download an uImage to FLASH with
+ the GRMON utility before even starting u-boot.
+
+config UBOOT_ENTRY_ADDR
+ hex "uImage Entry Address"
+ default 0xf0004000
+ ---help---
+ Do not change this unless you know what you're doing. This is
+ hardcoded by the SPARC32 and LEON port.
+
+ This is the virtual address u-boot jumps to when booting the Linux
+ Kernel.
+
+endmenu
+endif
+
endmenu
menu "Bus options (PCI etc.)"
diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile
index 113225b241e0..ad1fb5d969f3 100644
--- a/arch/sparc/Makefile
+++ b/arch/sparc/Makefile
@@ -88,7 +88,7 @@ boot := arch/sparc/boot
# Default target
all: zImage
-image zImage tftpboot.img vmlinux.aout: vmlinux
+image zImage uImage tftpboot.img vmlinux.aout: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
archclean:
@@ -102,6 +102,7 @@ ifeq ($(ARCH),sparc)
define archhelp
echo '* image - kernel image ($(boot)/image)'
echo '* zImage - stripped kernel image ($(boot)/zImage)'
+ echo ' uImage - U-Boot SPARC32 Image (only for LEON)'
echo ' tftpboot.img - image prepared for tftp'
endef
else
diff --git a/arch/sparc/boot/Makefile b/arch/sparc/boot/Makefile
index a2c5898c1ab1..9205416b1e67 100644
--- a/arch/sparc/boot/Makefile
+++ b/arch/sparc/boot/Makefile
@@ -5,6 +5,7 @@
ROOT_IMG := /usr/src/root.img
ELFTOAOUT := elftoaout
+MKIMAGE := $(srctree)/scripts/mkuboot.sh
hostprogs-y := piggyback btfixupprep
targets := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout
@@ -77,6 +78,36 @@ $(obj)/zImage: $(obj)/image
$(obj)/vmlinux.aout: vmlinux FORCE
$(call if_changed,elftoaout)
@echo ' kernel: $@ is ready'
+else
+
+# The following lines make a readable image for U-Boot.
+# uImage - Binary file read by U-boot
+# uImage.o - object file of uImage for loading with a
+# flash programmer understanding ELF.
+
+OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment
+$(obj)/image.bin: $(obj)/image FORCE
+ $(call if_changed,objcopy)
+
+$(obj)/image.gz: $(obj)/image.bin
+ $(call if_changed,gzip)
+
+quiet_cmd_uimage = UIMAGE $@
+ cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sparc -O linux -T kernel \
+ -C gzip -a $(CONFIG_UBOOT_LOAD_ADDR) \
+ -e $(CONFIG_UBOOT_ENTRY_ADDR) -n 'Linux-$(KERNELRELEASE)' \
+ -d $< $@
+
+quiet_cmd_uimage.o = UIMAGE.O $@
+ cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBOOT_FLASH_ADDR) \
+ -r -b binary $@ -o $@.o
+
+targets += uImage
+$(obj)/uImage: $(obj)/image.gz
+ $(call if_changed,uimage)
+ $(call if_changed,uimage.o)
+ @echo ' Image $@ is ready'
+
endif
$(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE
diff --git a/arch/sparc/include/asm/bitops_32.h b/arch/sparc/include/asm/bitops_32.h
index 9cf4ae0cd7ba..25a676653d45 100644
--- a/arch/sparc/include/asm/bitops_32.h
+++ b/arch/sparc/include/asm/bitops_32.h
@@ -103,9 +103,8 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
#include <asm-generic/bitops/hweight.h>
#include <asm-generic/bitops/lock.h>
#include <asm-generic/bitops/find.h>
-#include <asm-generic/bitops/ext2-non-atomic.h>
+#include <asm-generic/bitops/le.h>
#include <asm-generic/bitops/ext2-atomic.h>
-#include <asm-generic/bitops/minix.h>
#endif /* __KERNEL__ */
diff --git a/arch/sparc/include/asm/bitops_64.h b/arch/sparc/include/asm/bitops_64.h
index 766121a67a24..38e9aa1b2cea 100644
--- a/arch/sparc/include/asm/bitops_64.h
+++ b/arch/sparc/include/asm/bitops_64.h
@@ -89,15 +89,13 @@ static inline unsigned int __arch_hweight8(unsigned int w)
#ifdef __KERNEL__
-#include <asm-generic/bitops/ext2-non-atomic.h>
+#include <asm-generic/bitops/le.h>
#define ext2_set_bit_atomic(lock,nr,addr) \
test_and_set_bit((nr) ^ 0x38,(unsigned long *)(addr))
#define ext2_clear_bit_atomic(lock,nr,addr) \
test_and_clear_bit((nr) ^ 0x38,(unsigned long *)(addr))
-#include <asm-generic/bitops/minix.h>
-
#endif /* __KERNEL__ */
#endif /* defined(_SPARC64_BITOPS_H) */
diff --git a/arch/sparc/include/asm/errno.h b/arch/sparc/include/asm/errno.h
index 4e2bc490d714..c351aba997b7 100644
--- a/arch/sparc/include/asm/errno.h
+++ b/arch/sparc/include/asm/errno.h
@@ -112,4 +112,6 @@
#define ERFKILL 134 /* Operation not possible due to RF-kill */
+#define EHWPOISON 135 /* Memory page has hardware error */
+
#endif
diff --git a/arch/sparc/include/asm/fcntl.h b/arch/sparc/include/asm/fcntl.h
index 38f37b333cc7..d0b83f66f356 100644
--- a/arch/sparc/include/asm/fcntl.h
+++ b/arch/sparc/include/asm/fcntl.h
@@ -34,6 +34,8 @@
#define __O_SYNC 0x800000
#define O_SYNC (__O_SYNC|O_DSYNC)
+#define O_PATH 0x1000000
+
#define F_GETOWN 5 /* for sockets. */
#define F_SETOWN 6 /* for sockets. */
#define F_GETLK 7
diff --git a/arch/sparc/include/asm/futex_64.h b/arch/sparc/include/asm/futex_64.h
index 47f95839dc69..444e7bea23bc 100644
--- a/arch/sparc/include/asm/futex_64.h
+++ b/arch/sparc/include/asm/futex_64.h
@@ -30,7 +30,7 @@
: "r" (uaddr), "r" (oparg), "i" (-EFAULT) \
: "memory")
-static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
+static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
{
int op = (encoded_op >> 28) & 7;
int cmp = (encoded_op >> 24) & 15;
@@ -38,7 +38,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
int cmparg = (encoded_op << 20) >> 20;
int oldval = 0, ret, tem;
- if (unlikely(!access_ok(VERIFY_WRITE, uaddr, sizeof(int))))
+ if (unlikely(!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))))
return -EFAULT;
if (unlikely((((unsigned long) uaddr) & 0x3UL)))
return -EINVAL;
@@ -85,26 +85,30 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
}
static inline int
-futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
+futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
+ u32 oldval, u32 newval)
{
+ int ret = 0;
+
__asm__ __volatile__(
- "\n1: casa [%3] %%asi, %2, %0\n"
+ "\n1: casa [%4] %%asi, %3, %1\n"
"2:\n"
" .section .fixup,#alloc,#execinstr\n"
" .align 4\n"
"3: sethi %%hi(2b), %0\n"
" jmpl %0 + %%lo(2b), %%g0\n"
- " mov %4, %0\n"
+ " mov %5, %0\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
" .align 4\n"
" .word 1b, 3b\n"
" .previous\n"
- : "=r" (newval)
- : "0" (newval), "r" (oldval), "r" (uaddr), "i" (-EFAULT)
+ : "+r" (ret), "=r" (newval)
+ : "1" (newval), "r" (oldval), "r" (uaddr), "i" (-EFAULT)
: "memory");
- return newval;
+ *uval = newval;
+ return ret;
}
#endif /* !(_SPARC64_FUTEX_H) */
diff --git a/arch/sparc/include/asm/hypervisor.h b/arch/sparc/include/asm/hypervisor.h
index bafe5a631b6d..75686409be24 100644
--- a/arch/sparc/include/asm/hypervisor.h
+++ b/arch/sparc/include/asm/hypervisor.h
@@ -654,7 +654,7 @@ extern unsigned long sun4v_mmu_tsb_ctx0(unsigned long num_descriptions,
* ARG3: mmu context
* ARG4: flags (HV_MMU_{IMMU,DMMU})
* RET0: status
- * ERRORS: EINVAL Invalid virutal address, context, or
+ * ERRORS: EINVAL Invalid virtual address, context, or
* flags value
* ENOTSUPPORTED ARG0 or ARG1 is non-zero
*
@@ -721,7 +721,7 @@ extern void sun4v_mmu_demap_all(void);
* ARG2: TTE
* ARG3: flags (HV_MMU_{IMMU,DMMU})
* RET0: status
- * ERRORS: EINVAL Invalid virutal address or flags value
+ * ERRORS: EINVAL Invalid virtual address or flags value
* EBADPGSZ Invalid page size value
* ENORADDR Invalid real address in TTE
* ETOOMANY Too many mappings (max of 8 reached)
@@ -800,7 +800,7 @@ extern unsigned long sun4v_mmu_map_perm_addr(unsigned long vaddr,
* ARG1: reserved, must be zero
* ARG2: flags (HV_MMU_{IMMU,DMMU})
* RET0: status
- * ERRORS: EINVAL Invalid virutal address or flags value
+ * ERRORS: EINVAL Invalid virtual address or flags value
* ENOMAP Specified mapping was not found
*
* Demaps any permanent page mapping (established via
@@ -1205,7 +1205,7 @@ struct hv_trap_trace_control {
* structure contents. Attempts to do so will result in undefined
* behavior for the guest.
*
- * Each trap trace buffer entry is layed out as follows:
+ * Each trap trace buffer entry is laid out as follows:
*/
#ifndef __ASSEMBLY__
struct hv_trap_trace_entry {
@@ -1300,7 +1300,7 @@ struct hv_trap_trace_entry {
* state in RET1. Future systems may define various flags for the
* enable argument (ARG0), for the moment a guest should pass
* "(uint64_t) -1" to enable, and "(uint64_t) 0" to disable all
- * tracing - which will ensure future compatability.
+ * tracing - which will ensure future compatibility.
*/
#define HV_FAST_TTRACE_ENABLE 0x92
@@ -1880,7 +1880,7 @@ extern unsigned long sun4v_vintr_set_target(unsigned long dev_handle,
* pci_device, at pci_config_offset from the beginning of the device's
* configuration space. If there was no error, RET1 is set to zero and
* RET2 is set to the data read. Insignificant bits in RET2 are not
- * guarenteed to have any specific value and therefore must be ignored.
+ * guaranteed to have any specific value and therefore must be ignored.
*
* The data returned in RET2 is size based byte swapped.
*
@@ -1941,9 +1941,9 @@ extern unsigned long sun4v_vintr_set_target(unsigned long dev_handle,
* and return the actual data read in RET2. The data returned is size based
* byte swapped.
*
- * Non-significant bits in RET2 are not guarenteed to have any specific value
+ * Non-significant bits in RET2 are not guaranteed to have any specific value
* and therefore must be ignored. If RET1 is returned as non-zero, the data
- * value is not guarenteed to have any specific value and should be ignored.
+ * value is not guaranteed to have any specific value and should be ignored.
*
* The caller must have permission to read from the given devhandle, real
* address, which must be an IO address. The argument real address must be a
@@ -2456,9 +2456,9 @@ extern unsigned long sun4v_vintr_set_target(unsigned long dev_handle,
*
* As receive queue configuration causes a reset of the queue's head and
* tail pointers there is no way for a gues to determine how many entries
- * have been received between a preceeding ldc_get_rx_state() API call
+ * have been received between a preceding ldc_get_rx_state() API call
* and the completion of the configuration operation. It should be noted
- * that datagram delivery is not guarenteed via domain channels anyway,
+ * that datagram delivery is not guaranteed via domain channels anyway,
* and therefore any higher protocol should be resilient to datagram
* loss if necessary. However, to overcome this specific race potential
* it is recommended, for example, that a higher level protocol be employed
diff --git a/arch/sparc/include/asm/ioctls.h b/arch/sparc/include/asm/ioctls.h
index ed3807b96bb5..28d0c8b02cc3 100644
--- a/arch/sparc/include/asm/ioctls.h
+++ b/arch/sparc/include/asm/ioctls.h
@@ -20,6 +20,7 @@
#define TCSETSW2 _IOW('T', 14, struct termios2)
#define TCSETSF2 _IOW('T', 15, struct termios2)
#define TIOCGDEV _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */
+#define TIOCVHANGUP _IO('T', 0x37)
/* Note that all the ioctls that are not available in Linux have a
* double underscore on the front to: a) avoid some programs to
diff --git a/arch/sparc/include/asm/irq_32.h b/arch/sparc/include/asm/irq_32.h
index cbf4801deaaf..eced3e3ebd30 100644
--- a/arch/sparc/include/asm/irq_32.h
+++ b/arch/sparc/include/asm/irq_32.h
@@ -13,4 +13,7 @@
#define irq_canonicalize(irq) (irq)
extern void __init init_IRQ(void);
+
+#define NO_IRQ 0xffffffff
+
#endif
diff --git a/arch/sparc/include/asm/irq_64.h b/arch/sparc/include/asm/irq_64.h
index a0b443cb3c1f..16dcae6d56e7 100644
--- a/arch/sparc/include/asm/irq_64.h
+++ b/arch/sparc/include/asm/irq_64.h
@@ -33,34 +33,34 @@
/* The largest number of unique interrupt sources we support.
* If this needs to ever be larger than 255, you need to change
- * the type of ino_bucket->virt_irq as appropriate.
+ * the type of ino_bucket->irq as appropriate.
*
- * ino_bucket->virt_irq allocation is made during {sun4v_,}build_irq().
+ * ino_bucket->irq allocation is made during {sun4v_,}build_irq().
*/
#define NR_IRQS 255
-extern void irq_install_pre_handler(int virt_irq,
+extern void irq_install_pre_handler(int irq,
void (*func)(unsigned int, void *, void *),
void *arg1, void *arg2);
#define irq_canonicalize(irq) (irq)
extern unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap);
extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino);
extern unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino);
-extern unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p,
+extern unsigned int sun4v_build_msi(u32 devhandle, unsigned int *irq_p,
unsigned int msi_devino_start,
unsigned int msi_devino_end);
-extern void sun4v_destroy_msi(unsigned int virt_irq);
-extern unsigned int sun4u_build_msi(u32 portid, unsigned int *virt_irq_p,
+extern void sun4v_destroy_msi(unsigned int irq);
+extern unsigned int sun4u_build_msi(u32 portid, unsigned int *irq_p,
unsigned int msi_devino_start,
unsigned int msi_devino_end,
unsigned long imap_base,
unsigned long iclr_base);
-extern void sun4u_destroy_msi(unsigned int virt_irq);
+extern void sun4u_destroy_msi(unsigned int irq);
-extern unsigned char virt_irq_alloc(unsigned int dev_handle,
+extern unsigned char irq_alloc(unsigned int dev_handle,
unsigned int dev_ino);
#ifdef CONFIG_PCI_MSI
-extern void virt_irq_free(unsigned int virt_irq);
+extern void irq_free(unsigned int irq);
#endif
extern void __init init_IRQ(void);
@@ -97,4 +97,6 @@ extern void *softirq_stack[NR_CPUS];
#define __ARCH_HAS_DO_SOFTIRQ
#define ARCH_HAS_NMI_WATCHDOG
+#define NO_IRQ 0xffffffff
+
#endif
diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h
index 8580d1764f90..c04f96fb753c 100644
--- a/arch/sparc/include/asm/leon.h
+++ b/arch/sparc/include/asm/leon.h
@@ -375,9 +375,6 @@ void leon_enable_irq_cpu(unsigned int irq_nr, unsigned int cpu);
extern unsigned int real_irq_entry[], smpleon_ticker[];
extern unsigned int patchme_maybe_smp_msg[];
-extern unsigned long trapbase_cpu1[];
-extern unsigned long trapbase_cpu2[];
-extern unsigned long trapbase_cpu3[];
extern unsigned int t_nmi[], linux_trap_ipi15_leon[];
extern unsigned int linux_trap_ipi15_sun4m[];
diff --git a/arch/sparc/include/asm/leon_amba.h b/arch/sparc/include/asm/leon_amba.h
index 263c719e96f5..e50f326e71bd 100644
--- a/arch/sparc/include/asm/leon_amba.h
+++ b/arch/sparc/include/asm/leon_amba.h
@@ -180,6 +180,7 @@ struct amba_ahb_device {
struct device_node;
void _amba_init(struct device_node *dp, struct device_node ***nextp);
+extern unsigned long amba_system_id;
extern struct leon3_irqctrl_regs_map *leon3_irqctrl_regs;
extern struct leon3_gptimer_regs_map *leon3_gptimer_regs;
extern struct amba_apb_device leon_percpu_timer_dev[16];
@@ -254,6 +255,11 @@ extern unsigned int sparc_leon_eirq;
#define GAISLER_L2C 0xffe /* internal device: leon2compat */
#define GAISLER_PLUGPLAY 0xfff /* internal device: plug & play configarea */
+/* Chip IDs */
+#define AEROFLEX_UT699 0x0699
+#define LEON4_NEXTREME1 0x0102
+#define GAISLER_GR712RC 0x0712
+
#define amba_vendor(x) (((x) >> 24) & 0xff)
#define amba_device(x) (((x) >> 12) & 0xfff)
diff --git a/arch/sparc/include/asm/mmu_32.h b/arch/sparc/include/asm/mmu_32.h
index ccd36d26615a..6f056e535cf8 100644
--- a/arch/sparc/include/asm/mmu_32.h
+++ b/arch/sparc/include/asm/mmu_32.h
@@ -4,4 +4,7 @@
/* Default "unsigned long" context */
typedef unsigned long mm_context_t;
+/* mm/srmmu.c */
+extern ctxd_t *srmmu_ctx_table_phys;
+
#endif
diff --git a/arch/sparc/include/asm/ns87303.h b/arch/sparc/include/asm/ns87303.h
index 686defe6aaa0..af755483e17d 100644
--- a/arch/sparc/include/asm/ns87303.h
+++ b/arch/sparc/include/asm/ns87303.h
@@ -37,7 +37,7 @@
/* Power and Test Register (PTR) bits */
#define PTR_LPTB_IRQ7 0x08
#define PTR_LEVEL_IRQ 0x80 /* When not ECP/EPP: Use level IRQ */
-#define PTR_LPT_REG_DIR 0x80 /* When ECP/EPP: LPT CTR controlls direction */
+#define PTR_LPT_REG_DIR 0x80 /* When ECP/EPP: LPT CTR controls direction */
/* of the parallel port */
/* Function Control Register (FCR) bits */
diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h
index aa4c82648d88..cb33608cc68f 100644
--- a/arch/sparc/include/asm/parport.h
+++ b/arch/sparc/include/asm/parport.h
@@ -103,7 +103,7 @@ static inline unsigned int get_dma_residue(unsigned int dmanr)
return ebus_dma_residue(&sparc_ebus_dmas[dmanr].info);
}
-static int __devinit ecpp_probe(struct platform_device *op, const struct of_device_id *match)
+static int __devinit ecpp_probe(struct platform_device *op)
{
unsigned long base = op->resource[0].start;
unsigned long config = op->resource[1].start;
@@ -235,7 +235,7 @@ static const struct of_device_id ecpp_match[] = {
{},
};
-static struct of_platform_driver ecpp_driver = {
+static struct platform_driver ecpp_driver = {
.driver = {
.name = "ecpp",
.owner = THIS_MODULE,
@@ -247,7 +247,7 @@ static struct of_platform_driver ecpp_driver = {
static int parport_pc_find_nonpci_ports(int autoirq, int autodma)
{
- return of_register_platform_driver(&ecpp_driver);
+ return platform_driver_register(&ecpp_driver);
}
#endif /* !(_ASM_SPARC64_PARPORT_H */
diff --git a/arch/sparc/include/asm/pcr.h b/arch/sparc/include/asm/pcr.h
index 843e4faf6a50..288d7beba051 100644
--- a/arch/sparc/include/asm/pcr.h
+++ b/arch/sparc/include/asm/pcr.h
@@ -31,7 +31,7 @@ extern unsigned int picl_shift;
/* In order to commonize as much of the implementation as
* possible, we use PICH as our counter. Mostly this is
- * to accomodate Niagara-1 which can only count insn cycles
+ * to accommodate Niagara-1 which can only count insn cycles
* in PICH.
*/
static inline u64 picl_value(unsigned int nmi_hz)
diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h
index 30b0b797dc0c..c7ad3fe2b252 100644
--- a/arch/sparc/include/asm/ptrace.h
+++ b/arch/sparc/include/asm/ptrace.h
@@ -33,7 +33,7 @@ struct pt_regs {
* things like "in a system call" etc. for an arbitray
* process.
*
- * The PT_REGS_MAGIC is choosen such that it can be
+ * The PT_REGS_MAGIC is chosen such that it can be
* loaded completely using just a sethi instruction.
*/
unsigned int magic;
diff --git a/arch/sparc/include/asm/rwsem.h b/arch/sparc/include/asm/rwsem.h
index a2b4302869bc..069bf4d663a1 100644
--- a/arch/sparc/include/asm/rwsem.h
+++ b/arch/sparc/include/asm/rwsem.h
@@ -13,53 +13,12 @@
#ifdef __KERNEL__
-#include <linux/list.h>
-#include <linux/spinlock.h>
-
-struct rwsem_waiter;
-
-struct rw_semaphore {
- signed long count;
#define RWSEM_UNLOCKED_VALUE 0x00000000L
#define RWSEM_ACTIVE_BIAS 0x00000001L
#define RWSEM_ACTIVE_MASK 0xffffffffL
#define RWSEM_WAITING_BIAS (-RWSEM_ACTIVE_MASK-1)
#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS
#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
- spinlock_t wait_lock;
- struct list_head wait_list;
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
- struct lockdep_map dep_map;
-#endif
-};
-
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-# define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname }
-#else
-# define __RWSEM_DEP_MAP_INIT(lockname)
-#endif
-
-#define __RWSEM_INITIALIZER(name) \
-{ RWSEM_UNLOCKED_VALUE, __SPIN_LOCK_UNLOCKED((name).wait_lock), \
- LIST_HEAD_INIT((name).wait_list) __RWSEM_DEP_MAP_INIT(name) }
-
-#define DECLARE_RWSEM(name) \
- struct rw_semaphore name = __RWSEM_INITIALIZER(name)
-
-extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem);
-extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem);
-extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem);
-extern struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem);
-
-extern void __init_rwsem(struct rw_semaphore *sem, const char *name,
- struct lock_class_key *key);
-
-#define init_rwsem(sem) \
-do { \
- static struct lock_class_key __key; \
- \
- __init_rwsem((sem), #sem, &__key); \
-} while (0)
/*
* lock for reading
@@ -160,11 +119,6 @@ static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem)
return atomic64_add_return(delta, (atomic64_t *)(&sem->count));
}
-static inline int rwsem_is_locked(struct rw_semaphore *sem)
-{
- return (sem->count != 0);
-}
-
#endif /* __KERNEL__ */
#endif /* _SPARC64_RWSEM_H */
diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h
index 841905c10215..d82d7f4c0a79 100644
--- a/arch/sparc/include/asm/smp_32.h
+++ b/arch/sparc/include/asm/smp_32.h
@@ -29,10 +29,16 @@
*/
extern unsigned char boot_cpu_id;
+extern volatile unsigned long cpu_callin_map[NR_CPUS];
+extern cpumask_t smp_commenced_mask;
+extern struct linux_prom_registers smp_penguin_ctable;
typedef void (*smpfunc_t)(unsigned long, unsigned long, unsigned long,
unsigned long, unsigned long);
+void cpu_panic(void);
+extern void smp4m_irq_rotate(int cpu);
+
/*
* General functions that each host system must provide.
*/
diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h
index 9dd0318d3ddf..fa5753233410 100644
--- a/arch/sparc/include/asm/thread_info_32.h
+++ b/arch/sparc/include/asm/thread_info_32.h
@@ -82,8 +82,8 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
-BTFIXUPDEF_CALL(struct thread_info *, alloc_thread_info, void)
-#define alloc_thread_info(tsk) BTFIXUP_CALL(alloc_thread_info)()
+BTFIXUPDEF_CALL(struct thread_info *, alloc_thread_info_node, int)
+#define alloc_thread_info_node(tsk, node) BTFIXUP_CALL(alloc_thread_info_node)(node)
BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
#define free_thread_info(ti) BTFIXUP_CALL(free_thread_info)(ti)
@@ -92,7 +92,7 @@ BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
/*
* Size of kernel stack for each process.
- * Observe the order of get_free_pages() in alloc_thread_info().
+ * Observe the order of get_free_pages() in alloc_thread_info_node().
* The sun4 has 8K stack too, because it's short on memory, and 16K is a waste.
*/
#define THREAD_SIZE 8192
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index fb2ea7705a46..60d86be1a533 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -146,21 +146,21 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
#ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk) \
-({ \
- struct thread_info *ret; \
- \
- ret = (struct thread_info *) \
- __get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER); \
- if (ret) \
- memset(ret, 0, PAGE_SIZE<<__THREAD_INFO_ORDER); \
- ret; \
-})
+#define THREAD_FLAGS (GFP_KERNEL | __GFP_ZERO)
#else
-#define alloc_thread_info(tsk) \
- ((struct thread_info *)__get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER))
+#define THREAD_FLAGS (GFP_KERNEL)
#endif
+#define alloc_thread_info_node(tsk, node) \
+({ \
+ struct page *page = alloc_pages_node(node, THREAD_FLAGS, \
+ __THREAD_INFO_ORDER); \
+ struct thread_info *ret; \
+ \
+ ret = page ? page_address(page) : NULL; \
+ ret; \
+})
+
#define free_thread_info(ti) \
free_pages((unsigned long)(ti),__THREAD_INFO_ORDER)
diff --git a/arch/sparc/include/asm/types.h b/arch/sparc/include/asm/types.h
index 09c79a9c8516..91e5a034f987 100644
--- a/arch/sparc/include/asm/types.h
+++ b/arch/sparc/include/asm/types.h
@@ -18,28 +18,6 @@ typedef unsigned short umode_t;
#endif /* __ASSEMBLY__ */
-#ifdef __KERNEL__
-
-#ifndef __ASSEMBLY__
-
-/* Dma addresses come in generic and 64-bit flavours. */
-
-typedef u32 dma_addr_t;
-
-#if defined(__arch64__)
-
-/*** SPARC 64 bit ***/
-typedef u64 dma64_addr_t;
-#else
-/*** SPARC 32 bit ***/
-typedef u32 dma64_addr_t;
-
-#endif /* defined(__arch64__) */
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* __KERNEL__ */
-
#endif /* defined(__sparc__) */
#endif /* defined(_SPARC_TYPES_H) */
diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h
index 03eb5a8f6f93..9d897b6db983 100644
--- a/arch/sparc/include/asm/unistd.h
+++ b/arch/sparc/include/asm/unistd.h
@@ -400,8 +400,12 @@
#define __NR_fanotify_init 329
#define __NR_fanotify_mark 330
#define __NR_prlimit64 331
+#define __NR_name_to_handle_at 332
+#define __NR_open_by_handle_at 333
+#define __NR_clock_adjtime 334
+#define __NR_syncfs 335
-#define NR_syscalls 332
+#define NR_syscalls 336
#ifdef __32bit_syscall_numbers__
/* Sparc 32-bit only has the "setresuid32", "getresuid32" variants,
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index 599398fbbc7c..99aa4db6e9c2 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -42,7 +42,6 @@ obj-$(CONFIG_SPARC32) += windows.o
obj-y += cpu.o
obj-$(CONFIG_SPARC32) += devices.o
obj-$(CONFIG_SPARC32) += tadpole.o
-obj-$(CONFIG_SPARC32) += tick14.o
obj-y += ptrace_$(BITS).o
obj-y += unaligned_$(BITS).o
obj-y += una_asm_$(BITS).o
@@ -54,6 +53,7 @@ obj-y += of_device_$(BITS).o
obj-$(CONFIG_SPARC64) += prom_irqtrans.o
obj-$(CONFIG_SPARC_LEON)+= leon_kernel.o
+obj-$(CONFIG_SPARC_LEON)+= leon_pmc.o
obj-$(CONFIG_SPARC64) += reboot.o
obj-$(CONFIG_SPARC64) += sysfs.o
diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c
index 52de4a9424e8..f679c57644d5 100644
--- a/arch/sparc/kernel/apc.c
+++ b/arch/sparc/kernel/apc.c
@@ -137,8 +137,7 @@ static const struct file_operations apc_fops = {
static struct miscdevice apc_miscdev = { APC_MINOR, APC_DEVNAME, &apc_fops };
-static int __devinit apc_probe(struct platform_device *op,
- const struct of_device_id *match)
+static int __devinit apc_probe(struct platform_device *op)
{
int err;
@@ -174,7 +173,7 @@ static struct of_device_id __initdata apc_match[] = {
};
MODULE_DEVICE_TABLE(of, apc_match);
-static struct of_platform_driver apc_driver = {
+static struct platform_driver apc_driver = {
.driver = {
.name = "apc",
.owner = THIS_MODULE,
@@ -185,7 +184,7 @@ static struct of_platform_driver apc_driver = {
static int __init apc_init(void)
{
- return of_register_platform_driver(&apc_driver);
+ return platform_driver_register(&apc_driver);
}
/* This driver is not critical to the boot process
diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c
index 3efd3c5af6a9..773091ac71a3 100644
--- a/arch/sparc/kernel/auxio_64.c
+++ b/arch/sparc/kernel/auxio_64.c
@@ -93,7 +93,7 @@ void auxio_set_lte(int on)
}
EXPORT_SYMBOL(auxio_set_lte);
-static struct of_device_id __initdata auxio_match[] = {
+static const struct of_device_id auxio_match[] = {
{
.name = "auxio",
},
@@ -102,8 +102,7 @@ static struct of_device_id __initdata auxio_match[] = {
MODULE_DEVICE_TABLE(of, auxio_match);
-static int __devinit auxio_probe(struct platform_device *dev,
- const struct of_device_id *match)
+static int __devinit auxio_probe(struct platform_device *dev)
{
struct device_node *dp = dev->dev.of_node;
unsigned long size;
@@ -132,7 +131,7 @@ static int __devinit auxio_probe(struct platform_device *dev,
return 0;
}
-static struct of_platform_driver auxio_driver = {
+static struct platform_driver auxio_driver = {
.probe = auxio_probe,
.driver = {
.name = "auxio",
@@ -143,7 +142,7 @@ static struct of_platform_driver auxio_driver = {
static int __init auxio_init(void)
{
- return of_register_platform_driver(&auxio_driver);
+ return platform_driver_register(&auxio_driver);
}
/* Must be after subsys_initcall() so that busses are probed. Must
diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c
index cfa2624c5332..7eef3f741963 100644
--- a/arch/sparc/kernel/central.c
+++ b/arch/sparc/kernel/central.c
@@ -59,8 +59,7 @@ static int __devinit clock_board_calc_nslots(struct clock_board *p)
}
}
-static int __devinit clock_board_probe(struct platform_device *op,
- const struct of_device_id *match)
+static int __devinit clock_board_probe(struct platform_device *op)
{
struct clock_board *p = kzalloc(sizeof(*p), GFP_KERNEL);
int err = -ENOMEM;
@@ -141,14 +140,14 @@ out_free:
goto out;
}
-static struct of_device_id __initdata clock_board_match[] = {
+static const struct of_device_id clock_board_match[] = {
{
.name = "clock-board",
},
{},
};
-static struct of_platform_driver clock_board_driver = {
+static struct platform_driver clock_board_driver = {
.probe = clock_board_probe,
.driver = {
.name = "clock_board",
@@ -157,8 +156,7 @@ static struct of_platform_driver clock_board_driver = {
},
};
-static int __devinit fhc_probe(struct platform_device *op,
- const struct of_device_id *match)
+static int __devinit fhc_probe(struct platform_device *op)
{
struct fhc *p = kzalloc(sizeof(*p), GFP_KERNEL);
int err = -ENOMEM;
@@ -247,14 +245,14 @@ out_free:
goto out;
}
-static struct of_device_id __initdata fhc_match[] = {
+static const struct of_device_id fhc_match[] = {
{
.name = "fhc",
},
{},
};
-static struct of_platform_driver fhc_driver = {
+static struct platform_driver fhc_driver = {
.probe = fhc_probe,
.driver = {
.name = "fhc",
@@ -265,8 +263,8 @@ static struct of_platform_driver fhc_driver = {
static int __init sunfire_init(void)
{
- (void) of_register_platform_driver(&fhc_driver);
- (void) of_register_platform_driver(&clock_board_driver);
+ (void) platform_driver_register(&fhc_driver);
+ (void) platform_driver_register(&clock_board_driver);
return 0;
}
diff --git a/arch/sparc/kernel/chmc.c b/arch/sparc/kernel/chmc.c
index 08c466ebb32b..668c7be5d365 100644
--- a/arch/sparc/kernel/chmc.c
+++ b/arch/sparc/kernel/chmc.c
@@ -392,8 +392,7 @@ static void __devinit jbusmc_construct_dimm_groups(struct jbusmc *p,
}
}
-static int __devinit jbusmc_probe(struct platform_device *op,
- const struct of_device_id *match)
+static int __devinit jbusmc_probe(struct platform_device *op)
{
const struct linux_prom64_registers *mem_regs;
struct device_node *mem_node;
@@ -690,8 +689,7 @@ static void chmc_fetch_decode_regs(struct chmc *p)
chmc_read_mcreg(p, CHMCTRL_DECODE4));
}
-static int __devinit chmc_probe(struct platform_device *op,
- const struct of_device_id *match)
+static int __devinit chmc_probe(struct platform_device *op)
{
struct device_node *dp = op->dev.of_node;
unsigned long ver;
@@ -765,13 +763,12 @@ out_free:
goto out;
}
-static int __devinit us3mc_probe(struct platform_device *op,
- const struct of_device_id *match)
+static int __devinit us3mc_probe(struct platform_device *op)
{
if (mc_type == MC_TYPE_SAFARI)
- return chmc_probe(op, match);
+ return chmc_probe(op);
else if (mc_type == MC_TYPE_JBUS)
- return jbusmc_probe(op, match);
+ return jbusmc_probe(op);
return -ENODEV;
}
@@ -810,7 +807,7 @@ static const struct of_device_id us3mc_match[] = {
};
MODULE_DEVICE_TABLE(of, us3mc_match);
-static struct of_platform_driver us3mc_driver = {
+static struct platform_driver us3mc_driver = {
.driver = {
.name = "us3mc",
.owner = THIS_MODULE,
@@ -848,7 +845,7 @@ static int __init us3mc_init(void)
ret = register_dimm_printer(us3mc_dimm_printer);
if (!ret) {
- ret = of_register_platform_driver(&us3mc_driver);
+ ret = platform_driver_register(&us3mc_driver);
if (ret)
unregister_dimm_printer(us3mc_dimm_printer);
}
@@ -859,7 +856,7 @@ static void __exit us3mc_cleanup(void)
{
if (us3mc_platform()) {
unregister_dimm_printer(us3mc_dimm_printer);
- of_unregister_platform_driver(&us3mc_driver);
+ platform_driver_unregister(&us3mc_driver);
}
}
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index 0dc714fa23d8..7925c54f4133 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -324,7 +324,7 @@ void __cpuinit cpu_probe(void)
psr = get_psr();
put_psr(psr | PSR_EF);
#ifdef CONFIG_SPARC_LEON
- fpu_vers = 7;
+ fpu_vers = get_psr() & PSR_EF ? ((get_fsr() >> 17) & 0x7) : 7;
#else
fpu_vers = ((get_fsr() >> 17) & 0x7);
#endif
diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c
index 4a700f4b79ce..3add4de8a1a9 100644
--- a/arch/sparc/kernel/ds.c
+++ b/arch/sparc/kernel/ds.c
@@ -1218,7 +1218,7 @@ static int ds_remove(struct vio_dev *vdev)
return 0;
}
-static struct vio_device_id __initdata ds_match[] = {
+static const struct vio_device_id ds_match[] = {
{
.type = "domain-services-port",
},
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index 1504df8ddf70..6da784a5612b 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -801,7 +801,7 @@ vac_linesize_patch_32: subcc %l7, 32, %l7
.globl vac_hwflush_patch1_on, vac_hwflush_patch2_on
/*
- * Ugly, but we cant use hardware flushing on the sun4 and we'd require
+ * Ugly, but we can't use hardware flushing on the sun4 and we'd require
* two instructions (Anton)
*/
vac_hwflush_patch1_on: addcc %l7, -PAGE_SIZE, %l7
@@ -851,7 +851,7 @@ sun4c_fault:
sethi %hi(~((1 << SUN4C_REAL_PGDIR_SHIFT) - 1)), %l4
/* If the kernel references a bum kernel pointer, or a pte which
- * points to a non existant page in ram, we will run this code
+ * points to a non existent page in ram, we will run this code
* _forever_ and lock up the machine!!!!! So we must check for
* this condition, the AC_SYNC_ERR bits are what we must examine.
* Also a parity error would make this happen as well. So we just
@@ -1283,7 +1283,7 @@ linux_syscall_trace:
.globl ret_from_fork
ret_from_fork:
call schedule_tail
- mov %g3, %o0
+ ld [%g3 + TI_TASK], %o0
b ret_sys_call
ld [%sp + STACKFRAME_SZ + PT_I0], %o0
diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h
index c011b932bb17..d1f1361c4167 100644
--- a/arch/sparc/kernel/entry.h
+++ b/arch/sparc/kernel/entry.h
@@ -213,8 +213,8 @@ extern struct cheetah_err_info *cheetah_error_log;
struct ino_bucket {
/*0x00*/unsigned long __irq_chain_pa;
- /* Virtual interrupt number assigned to this INO. */
-/*0x08*/unsigned int __virt_irq;
+ /* Interrupt number assigned to this INO. */
+/*0x08*/unsigned int __irq;
/*0x0c*/unsigned int __pad;
};
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index f8f21050448b..aa594c792d19 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -85,7 +85,7 @@ sparc_ramdisk_image64:
sparc64_boot:
mov %o4, %l7
- /* We need to remap the kernel. Use position independant
+ /* We need to remap the kernel. Use position independent
* code to remap us to KERNBASE.
*
* SILO can invoke us with 32-bit address masking enabled,
diff --git a/arch/sparc/kernel/init_task.c b/arch/sparc/kernel/init_task.c
index 5fe3d65581f7..35f141a9f506 100644
--- a/arch/sparc/kernel/init_task.c
+++ b/arch/sparc/kernel/init_task.c
@@ -15,7 +15,7 @@ EXPORT_SYMBOL(init_task);
/* .text section in head.S is aligned at 8k boundary and this gets linked
* right after that so that the init_thread_union is aligned properly as well.
- * If this is not aligned on a 8k boundry, then you should change code
+ * If this is not aligned on a 8k boundary, then you should change code
* in etrap.S which assumes it.
*/
union thread_union init_thread_union __init_task_data =
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index 72509d0e34be..6f01e8c83197 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -333,13 +333,10 @@ static void dma_4u_free_coherent(struct device *dev, size_t size,
void *cpu, dma_addr_t dvma)
{
struct iommu *iommu;
- iopte_t *iopte;
unsigned long flags, order, npages;
npages = IO_PAGE_ALIGN(size) >> IO_PAGE_SHIFT;
iommu = dev->archdata.iommu;
- iopte = iommu->page_table +
- ((dvma - iommu->page_table_map_base) >> IO_PAGE_SHIFT);
spin_lock_irqsave(&iommu->lock, flags);
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 41f7e4e0f72a..c6ce9a6a4790 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -50,10 +50,14 @@
#include <asm/io-unit.h>
#include <asm/leon.h>
-#ifdef CONFIG_SPARC_LEON
-#define mmu_inval_dma_area(p, l) leon_flush_dcache_all()
-#else
+#ifndef CONFIG_SPARC_LEON
#define mmu_inval_dma_area(p, l) /* Anton pulled it out for 2.4.0-xx */
+#else
+static inline void mmu_inval_dma_area(void *va, unsigned long len)
+{
+ if (!sparc_leon3_snooping_enabled())
+ leon_flush_dcache_all();
+}
#endif
static struct resource *_sparc_find_resource(struct resource *r,
@@ -254,7 +258,7 @@ static void *sbus_alloc_coherent(struct device *dev, size_t len,
dma_addr_t *dma_addrp, gfp_t gfp)
{
struct platform_device *op = to_platform_device(dev);
- unsigned long len_total = (len + PAGE_SIZE-1) & PAGE_MASK;
+ unsigned long len_total = PAGE_ALIGN(len);
unsigned long va;
struct resource *res;
int order;
@@ -280,7 +284,8 @@ static void *sbus_alloc_coherent(struct device *dev, size_t len,
printk("sbus_alloc_consistent: cannot occupy 0x%lx", len_total);
goto err_nova;
}
- mmu_inval_dma_area(va, len_total);
+ mmu_inval_dma_area((void *)va, len_total);
+
// XXX The mmu_map_dma_area does this for us below, see comments.
// sparc_mapiorange(0, virt_to_phys(va), res->start, len_total);
/*
@@ -297,9 +302,9 @@ static void *sbus_alloc_coherent(struct device *dev, size_t len,
err_noiommu:
release_resource(res);
err_nova:
- free_pages(va, order);
-err_nomem:
kfree(res);
+err_nomem:
+ free_pages(va, order);
err_nopages:
return NULL;
}
@@ -321,7 +326,7 @@ static void sbus_free_coherent(struct device *dev, size_t n, void *p,
return;
}
- n = (n + PAGE_SIZE-1) & PAGE_MASK;
+ n = PAGE_ALIGN(n);
if ((res->end-res->start)+1 != n) {
printk("sbus_free_consistent: region 0x%lx asked 0x%zx\n",
(long)((res->end-res->start)+1), n);
@@ -408,9 +413,6 @@ struct dma_map_ops sbus_dma_ops = {
.sync_sg_for_device = sbus_sync_sg_for_device,
};
-struct dma_map_ops *dma_ops = &sbus_dma_ops;
-EXPORT_SYMBOL(dma_ops);
-
static int __init sparc_register_ioport(void)
{
register_proc_sparc_ioport();
@@ -422,7 +424,9 @@ arch_initcall(sparc_register_ioport);
#endif /* CONFIG_SBUS */
-#ifdef CONFIG_PCI
+
+/* LEON reuses PCI DMA ops */
+#if defined(CONFIG_PCI) || defined(CONFIG_SPARC_LEON)
/* Allocate and map kernel buffer using consistent mode DMA for a device.
* hwdev should be valid struct pci_dev pointer for PCI devices.
@@ -430,8 +434,8 @@ arch_initcall(sparc_register_ioport);
static void *pci32_alloc_coherent(struct device *dev, size_t len,
dma_addr_t *pba, gfp_t gfp)
{
- unsigned long len_total = (len + PAGE_SIZE-1) & PAGE_MASK;
- unsigned long va;
+ unsigned long len_total = PAGE_ALIGN(len);
+ void *va;
struct resource *res;
int order;
@@ -443,34 +447,34 @@ static void *pci32_alloc_coherent(struct device *dev, size_t len,
}
order = get_order(len_total);
- va = __get_free_pages(GFP_KERNEL, order);
- if (va == 0) {
+ va = (void *) __get_free_pages(GFP_KERNEL, order);
+ if (va == NULL) {
printk("pci_alloc_consistent: no %ld pages\n", len_total>>PAGE_SHIFT);
- return NULL;
+ goto err_nopages;
}
if ((res = kzalloc(sizeof(struct resource), GFP_KERNEL)) == NULL) {
- free_pages(va, order);
printk("pci_alloc_consistent: no core\n");
- return NULL;
+ goto err_nomem;
}
if (allocate_resource(&_sparc_dvma, res, len_total,
_sparc_dvma.start, _sparc_dvma.end, PAGE_SIZE, NULL, NULL) != 0) {
printk("pci_alloc_consistent: cannot occupy 0x%lx", len_total);
- free_pages(va, order);
- kfree(res);
- return NULL;
+ goto err_nova;
}
mmu_inval_dma_area(va, len_total);
-#if 0
-/* P3 */ printk("pci_alloc_consistent: kva %lx uncva %lx phys %lx size %lx\n",
- (long)va, (long)res->start, (long)virt_to_phys(va), len_total);
-#endif
sparc_mapiorange(0, virt_to_phys(va), res->start, len_total);
*pba = virt_to_phys(va); /* equals virt_to_bus (R.I.P.) for us. */
return (void *) res->start;
+
+err_nova:
+ kfree(res);
+err_nomem:
+ free_pages((unsigned long)va, order);
+err_nopages:
+ return NULL;
}
/* Free and unmap a consistent DMA buffer.
@@ -485,7 +489,7 @@ static void pci32_free_coherent(struct device *dev, size_t n, void *p,
dma_addr_t ba)
{
struct resource *res;
- unsigned long pgp;
+ void *pgp;
if ((res = _sparc_find_resource(&_sparc_dvma,
(unsigned long)p)) == NULL) {
@@ -498,21 +502,21 @@ static void pci32_free_coherent(struct device *dev, size_t n, void *p,
return;
}
- n = (n + PAGE_SIZE-1) & PAGE_MASK;
+ n = PAGE_ALIGN(n);
if ((res->end-res->start)+1 != n) {
printk("pci_free_consistent: region 0x%lx asked 0x%lx\n",
(long)((res->end-res->start)+1), (long)n);
return;
}
- pgp = (unsigned long) phys_to_virt(ba); /* bus_to_virt actually */
+ pgp = phys_to_virt(ba); /* bus_to_virt actually */
mmu_inval_dma_area(pgp, n);
sparc_unmapiorange((unsigned long)p, n);
release_resource(res);
kfree(res);
- free_pages(pgp, get_order(n));
+ free_pages((unsigned long)pgp, get_order(n));
}
/*
@@ -527,6 +531,13 @@ static dma_addr_t pci32_map_page(struct device *dev, struct page *page,
return page_to_phys(page) + offset;
}
+static void pci32_unmap_page(struct device *dev, dma_addr_t ba, size_t size,
+ enum dma_data_direction dir, struct dma_attrs *attrs)
+{
+ if (dir != PCI_DMA_TODEVICE)
+ mmu_inval_dma_area(phys_to_virt(ba), PAGE_ALIGN(size));
+}
+
/* Map a set of buffers described by scatterlist in streaming
* mode for DMA. This is the scather-gather version of the
* above pci_map_single interface. Here the scatter gather list
@@ -572,9 +583,8 @@ static void pci32_unmap_sg(struct device *dev, struct scatterlist *sgl,
if (dir != PCI_DMA_TODEVICE) {
for_each_sg(sgl, sg, nents, n) {
BUG_ON(page_address(sg_page(sg)) == NULL);
- mmu_inval_dma_area(
- (unsigned long) page_address(sg_page(sg)),
- (sg->length + PAGE_SIZE-1) & PAGE_MASK);
+ mmu_inval_dma_area(page_address(sg_page(sg)),
+ PAGE_ALIGN(sg->length));
}
}
}
@@ -593,8 +603,8 @@ static void pci32_sync_single_for_cpu(struct device *dev, dma_addr_t ba,
size_t size, enum dma_data_direction dir)
{
if (dir != PCI_DMA_TODEVICE) {
- mmu_inval_dma_area((unsigned long)phys_to_virt(ba),
- (size + PAGE_SIZE-1) & PAGE_MASK);
+ mmu_inval_dma_area(phys_to_virt(ba),
+ PAGE_ALIGN(size));
}
}
@@ -602,8 +612,8 @@ static void pci32_sync_single_for_device(struct device *dev, dma_addr_t ba,
size_t size, enum dma_data_direction dir)
{
if (dir != PCI_DMA_TODEVICE) {
- mmu_inval_dma_area((unsigned long)phys_to_virt(ba),
- (size + PAGE_SIZE-1) & PAGE_MASK);
+ mmu_inval_dma_area(phys_to_virt(ba),
+ PAGE_ALIGN(size));
}
}
@@ -622,9 +632,8 @@ static void pci32_sync_sg_for_cpu(struct device *dev, struct scatterlist *sgl,
if (dir != PCI_DMA_TODEVICE) {
for_each_sg(sgl, sg, nents, n) {
BUG_ON(page_address(sg_page(sg)) == NULL);
- mmu_inval_dma_area(
- (unsigned long) page_address(sg_page(sg)),
- (sg->length + PAGE_SIZE-1) & PAGE_MASK);
+ mmu_inval_dma_area(page_address(sg_page(sg)),
+ PAGE_ALIGN(sg->length));
}
}
}
@@ -638,9 +647,8 @@ static void pci32_sync_sg_for_device(struct device *device, struct scatterlist *
if (dir != PCI_DMA_TODEVICE) {
for_each_sg(sgl, sg, nents, n) {
BUG_ON(page_address(sg_page(sg)) == NULL);
- mmu_inval_dma_area(
- (unsigned long) page_address(sg_page(sg)),
- (sg->length + PAGE_SIZE-1) & PAGE_MASK);
+ mmu_inval_dma_area(page_address(sg_page(sg)),
+ PAGE_ALIGN(sg->length));
}
}
}
@@ -649,6 +657,7 @@ struct dma_map_ops pci32_dma_ops = {
.alloc_coherent = pci32_alloc_coherent,
.free_coherent = pci32_free_coherent,
.map_page = pci32_map_page,
+ .unmap_page = pci32_unmap_page,
.map_sg = pci32_map_sg,
.unmap_sg = pci32_unmap_sg,
.sync_single_for_cpu = pci32_sync_single_for_cpu,
@@ -658,7 +667,16 @@ struct dma_map_ops pci32_dma_ops = {
};
EXPORT_SYMBOL(pci32_dma_ops);
-#endif /* CONFIG_PCI */
+#endif /* CONFIG_PCI || CONFIG_SPARC_LEON */
+
+#ifdef CONFIG_SPARC_LEON
+struct dma_map_ops *dma_ops = &pci32_dma_ops;
+#elif defined(CONFIG_SBUS)
+struct dma_map_ops *dma_ops = &sbus_dma_ops;
+#endif
+
+EXPORT_SYMBOL(dma_ops);
+
/*
* Return whether the given PCI device DMA address mask can be
@@ -717,7 +735,7 @@ static const struct file_operations sparc_io_proc_fops = {
static struct resource *_sparc_find_resource(struct resource *root,
unsigned long hit)
{
- struct resource *tmp;
+ struct resource *tmp;
for (tmp = root->child; tmp != 0; tmp = tmp->sibling) {
if (tmp->start <= hit && tmp->end >= hit)
diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h
index db7513881530..008453b798ec 100644
--- a/arch/sparc/kernel/irq.h
+++ b/arch/sparc/kernel/irq.h
@@ -1,5 +1,41 @@
+#include <linux/platform_device.h>
+
#include <asm/btfixup.h>
+/* sun4m specific type definitions */
+
+/* This maps direct to CPU specific interrupt registers */
+struct sun4m_irq_percpu {
+ u32 pending;
+ u32 clear;
+ u32 set;
+};
+
+/* This maps direct to global interrupt registers */
+struct sun4m_irq_global {
+ u32 pending;
+ u32 mask;
+ u32 mask_clear;
+ u32 mask_set;
+ u32 interrupt_target;
+};
+
+extern struct sun4m_irq_percpu __iomem *sun4m_irq_percpu[SUN4M_NCPUS];
+extern struct sun4m_irq_global __iomem *sun4m_irq_global;
+
+/*
+ * Platform specific irq configuration
+ * The individual platforms assign their platform
+ * specifics in their init functions.
+ */
+struct sparc_irq_config {
+ void (*init_timers)(irq_handler_t);
+ unsigned int (*build_device_irq)(struct platform_device *op,
+ unsigned int real_irq);
+};
+extern struct sparc_irq_config sparc_irq_config;
+
+
/* Dave Redman (djhr@tadpole.co.uk)
* changed these to function pointers.. it saves cycles and will allow
* the irq dependencies to be split into different files at a later date
@@ -45,12 +81,6 @@ static inline void load_profile_irq(int cpu, int limit)
BTFIXUP_CALL(load_profile_irq)(cpu, limit);
}
-extern void (*sparc_init_timers)(irq_handler_t lvl10_irq);
-
-extern void claim_ticker14(irq_handler_t irq_handler,
- int irq,
- unsigned int timeout);
-
#ifdef CONFIG_SMP
BTFIXUPDEF_CALL(void, set_cpu_int, int, int)
BTFIXUPDEF_CALL(void, clear_cpu_int, int, int)
diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c
index 5ad6e5c5dbb3..7c93df4099cb 100644
--- a/arch/sparc/kernel/irq_32.c
+++ b/arch/sparc/kernel/irq_32.c
@@ -1,8 +1,8 @@
/*
- * arch/sparc/kernel/irq.c: Interrupt request handling routines. On the
- * Sparc the IRQs are basically 'cast in stone'
- * and you are supposed to probe the prom's device
- * node trees to find out who's got which IRQ.
+ * Interrupt request handling routines. On the
+ * Sparc the IRQs are basically 'cast in stone'
+ * and you are supposed to probe the prom's device
+ * node trees to find out who's got which IRQ.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx)
@@ -11,40 +11,11 @@
* Copyright (C) 1998-2000 Anton Blanchard (anton@samba.org)
*/
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/ptrace.h>
-#include <linux/errno.h>
-#include <linux/linkage.h>
#include <linux/kernel_stat.h>
-#include <linux/signal.h>
-#include <linux/interrupt.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/init.h>
-#include <linux/smp.h>
-#include <linux/delay.h>
-#include <linux/threads.h>
-#include <linux/spinlock.h>
#include <linux/seq_file.h>
-#include <asm/ptrace.h>
-#include <asm/processor.h>
-#include <asm/system.h>
-#include <asm/psr.h>
-#include <asm/smp.h>
-#include <asm/vaddrs.h>
-#include <asm/timer.h>
-#include <asm/openprom.h>
-#include <asm/oplib.h>
-#include <asm/traps.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <asm/pcic.h>
#include <asm/cacheflush.h>
-#include <asm/irq_regs.h>
+#include <asm/pcic.h>
#include <asm/leon.h>
#include "kernel.h"
@@ -57,6 +28,10 @@
#define SMP_NOP2
#define SMP_NOP3
#endif /* SMP */
+
+/* platform specific irq setup */
+struct sparc_irq_config sparc_irq_config;
+
unsigned long arch_local_irq_save(void)
{
unsigned long retval;
@@ -128,15 +103,7 @@ EXPORT_SYMBOL(arch_local_irq_restore);
*
*/
-static void irq_panic(void)
-{
- extern char *cputypval;
- prom_printf("machine: %s doesn't have irq handlers defined!\n",cputypval);
- prom_halt();
-}
-void (*sparc_init_timers)(irq_handler_t ) =
- (void (*)(irq_handler_t )) irq_panic;
/*
* Dave Redman (djhr@tadpole.co.uk)
@@ -145,7 +112,7 @@ void (*sparc_init_timers)(irq_handler_t ) =
* instead, because some of the devices attach very early, I do something
* equally sucky but at least we'll never try to free statically allocated
* space or call kmalloc before kmalloc_init :(.
- *
+ *
* In fact it's the timer10 that attaches first.. then timer14
* then kmalloc_init is called.. then the tty interrupts attach.
* hmmm....
@@ -166,22 +133,20 @@ DEFINE_SPINLOCK(irq_action_lock);
int show_interrupts(struct seq_file *p, void *v)
{
- int i = *(loff_t *) v;
- struct irqaction * action;
+ int i = *(loff_t *)v;
+ struct irqaction *action;
unsigned long flags;
#ifdef CONFIG_SMP
int j;
#endif
- if (sparc_cpu_model == sun4d) {
- extern int show_sun4d_interrupts(struct seq_file *, void *);
-
+ if (sparc_cpu_model == sun4d)
return show_sun4d_interrupts(p, v);
- }
+
spin_lock_irqsave(&irq_action_lock, flags);
if (i < NR_IRQS) {
action = sparc_irq[i].action;
- if (!action)
+ if (!action)
goto out_unlock;
seq_printf(p, "%3d: ", i);
#ifndef CONFIG_SMP
@@ -195,7 +160,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_printf(p, " %c %s",
(action->flags & IRQF_DISABLED) ? '+' : ' ',
action->name);
- for (action=action->next; action; action = action->next) {
+ for (action = action->next; action; action = action->next) {
seq_printf(p, ",%s %s",
(action->flags & IRQF_DISABLED) ? " +" : "",
action->name);
@@ -209,22 +174,20 @@ out_unlock:
void free_irq(unsigned int irq, void *dev_id)
{
- struct irqaction * action;
+ struct irqaction *action;
struct irqaction **actionp;
- unsigned long flags;
+ unsigned long flags;
unsigned int cpu_irq;
-
+
if (sparc_cpu_model == sun4d) {
- extern void sun4d_free_irq(unsigned int, void *);
-
sun4d_free_irq(irq, dev_id);
return;
}
cpu_irq = irq & (NR_IRQS - 1);
- if (cpu_irq > 14) { /* 14 irq levels on the sparc */
- printk("Trying to free bogus IRQ %d\n", irq);
- return;
- }
+ if (cpu_irq > 14) { /* 14 irq levels on the sparc */
+ printk(KERN_ERR "Trying to free bogus IRQ %d\n", irq);
+ return;
+ }
spin_lock_irqsave(&irq_action_lock, flags);
@@ -232,7 +195,7 @@ void free_irq(unsigned int irq, void *dev_id)
action = *actionp;
if (!action->handler) {
- printk("Trying to free free IRQ%d\n",irq);
+ printk(KERN_ERR "Trying to free free IRQ%d\n", irq);
goto out_unlock;
}
if (dev_id) {
@@ -242,19 +205,21 @@ void free_irq(unsigned int irq, void *dev_id)
actionp = &action->next;
}
if (!action) {
- printk("Trying to free free shared IRQ%d\n",irq);
+ printk(KERN_ERR "Trying to free free shared IRQ%d\n",
+ irq);
goto out_unlock;
}
} else if (action->flags & IRQF_SHARED) {
- printk("Trying to free shared IRQ%d with NULL device ID\n", irq);
+ printk(KERN_ERR "Trying to free shared IRQ%d with NULL device ID\n",
+ irq);
goto out_unlock;
}
- if (action->flags & SA_STATIC_ALLOC)
- {
- /* This interrupt is marked as specially allocated
+ if (action->flags & SA_STATIC_ALLOC) {
+ /*
+ * This interrupt is marked as specially allocated
* so it is a bad idea to free it.
*/
- printk("Attempt to free statically allocated IRQ%d (%s)\n",
+ printk(KERN_ERR "Attempt to free statically allocated IRQ%d (%s)\n",
irq, action->name);
goto out_unlock;
}
@@ -275,7 +240,6 @@ void free_irq(unsigned int irq, void *dev_id)
out_unlock:
spin_unlock_irqrestore(&irq_action_lock, flags);
}
-
EXPORT_SYMBOL(free_irq);
/*
@@ -297,64 +261,62 @@ void synchronize_irq(unsigned int irq)
EXPORT_SYMBOL(synchronize_irq);
#endif /* SMP */
-void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs)
+void unexpected_irq(int irq, void *dev_id, struct pt_regs *regs)
{
- int i;
- struct irqaction * action;
+ int i;
+ struct irqaction *action;
unsigned int cpu_irq;
-
+
cpu_irq = irq & (NR_IRQS - 1);
action = sparc_irq[cpu_irq].action;
- printk("IO device interrupt, irq = %d\n", irq);
- printk("PC = %08lx NPC = %08lx FP=%08lx\n", regs->pc,
+ printk(KERN_ERR "IO device interrupt, irq = %d\n", irq);
+ printk(KERN_ERR "PC = %08lx NPC = %08lx FP=%08lx\n", regs->pc,
regs->npc, regs->u_regs[14]);
if (action) {
- printk("Expecting: ");
- for (i = 0; i < 16; i++)
- if (action->handler)
- printk("[%s:%d:0x%x] ", action->name,
- (int) i, (unsigned int) action->handler);
+ printk(KERN_ERR "Expecting: ");
+ for (i = 0; i < 16; i++)
+ if (action->handler)
+ printk(KERN_CONT "[%s:%d:0x%x] ", action->name,
+ i, (unsigned int)action->handler);
}
- printk("AIEEE\n");
+ printk(KERN_ERR "AIEEE\n");
panic("bogus interrupt received");
}
-void handler_irq(int irq, struct pt_regs * regs)
+void handler_irq(int pil, struct pt_regs *regs)
{
struct pt_regs *old_regs;
- struct irqaction * action;
+ struct irqaction *action;
int cpu = smp_processor_id();
-#ifdef CONFIG_SMP
- extern void smp4m_irq_rotate(int cpu);
-#endif
old_regs = set_irq_regs(regs);
irq_enter();
- disable_pil_irq(irq);
+ disable_pil_irq(pil);
#ifdef CONFIG_SMP
/* Only rotate on lower priority IRQs (scsi, ethernet, etc.). */
- if((sparc_cpu_model==sun4m) && (irq < 10))
+ if ((sparc_cpu_model==sun4m) && (pil < 10))
smp4m_irq_rotate(cpu);
#endif
- action = sparc_irq[irq].action;
- sparc_irq[irq].flags |= SPARC_IRQ_INPROGRESS;
- kstat_cpu(cpu).irqs[irq]++;
+ action = sparc_irq[pil].action;
+ sparc_irq[pil].flags |= SPARC_IRQ_INPROGRESS;
+ kstat_cpu(cpu).irqs[pil]++;
do {
if (!action || !action->handler)
- unexpected_irq(irq, NULL, regs);
- action->handler(irq, action->dev_id);
+ unexpected_irq(pil, NULL, regs);
+ action->handler(pil, action->dev_id);
action = action->next;
} while (action);
- sparc_irq[irq].flags &= ~SPARC_IRQ_INPROGRESS;
- enable_pil_irq(irq);
+ sparc_irq[pil].flags &= ~SPARC_IRQ_INPROGRESS;
+ enable_pil_irq(pil);
irq_exit();
set_irq_regs(old_regs);
}
#if defined(CONFIG_BLK_DEV_FD) || defined(CONFIG_BLK_DEV_FD_MODULE)
-/* Fast IRQs on the Sparc can only have one routine attached to them,
+/*
+ * Fast IRQs on the Sparc can only have one routine attached to them,
* thus no sharing possible.
*/
static int request_fast_irq(unsigned int irq,
@@ -367,15 +329,13 @@ static int request_fast_irq(unsigned int irq,
int ret;
#if defined CONFIG_SMP && !defined CONFIG_SPARC_LEON
struct tt_entry *trap_table;
- extern struct tt_entry trapbase_cpu1, trapbase_cpu2, trapbase_cpu3;
#endif
-
cpu_irq = irq & (NR_IRQS - 1);
- if(cpu_irq > 14) {
+ if (cpu_irq > 14) {
ret = -EINVAL;
goto out;
}
- if(!handler) {
+ if (!handler) {
ret = -EINVAL;
goto out;
}
@@ -383,34 +343,33 @@ static int request_fast_irq(unsigned int irq,
spin_lock_irqsave(&irq_action_lock, flags);
action = sparc_irq[cpu_irq].action;
- if(action) {
- if(action->flags & IRQF_SHARED)
+ if (action) {
+ if (action->flags & IRQF_SHARED)
panic("Trying to register fast irq when already shared.\n");
- if(irqflags & IRQF_SHARED)
+ if (irqflags & IRQF_SHARED)
panic("Trying to register fast irq as shared.\n");
/* Anyway, someone already owns it so cannot be made fast. */
- printk("request_fast_irq: Trying to register yet already owned.\n");
+ printk(KERN_ERR "request_fast_irq: Trying to register yet already owned.\n");
ret = -EBUSY;
goto out_unlock;
}
- /* If this is flagged as statically allocated then we use our
+ /*
+ * If this is flagged as statically allocated then we use our
* private struct which is never freed.
*/
if (irqflags & SA_STATIC_ALLOC) {
- if (static_irq_count < MAX_STATIC_ALLOC)
- action = &static_irqaction[static_irq_count++];
- else
- printk("Fast IRQ%d (%s) SA_STATIC_ALLOC failed using kmalloc\n",
- irq, devname);
+ if (static_irq_count < MAX_STATIC_ALLOC)
+ action = &static_irqaction[static_irq_count++];
+ else
+ printk(KERN_ERR "Fast IRQ%d (%s) SA_STATIC_ALLOC failed using kmalloc\n",
+ irq, devname);
}
-
+
if (action == NULL)
- action = kmalloc(sizeof(struct irqaction),
- GFP_ATOMIC);
-
- if (!action) {
+ action = kmalloc(sizeof(struct irqaction), GFP_ATOMIC);
+ if (!action) {
ret = -ENOMEM;
goto out_unlock;
}
@@ -426,9 +385,12 @@ static int request_fast_irq(unsigned int irq,
INSTANTIATE(sparc_ttable)
#if defined CONFIG_SMP && !defined CONFIG_SPARC_LEON
- trap_table = &trapbase_cpu1; INSTANTIATE(trap_table)
- trap_table = &trapbase_cpu2; INSTANTIATE(trap_table)
- trap_table = &trapbase_cpu3; INSTANTIATE(trap_table)
+ trap_table = &trapbase_cpu1;
+ INSTANTIATE(trap_table)
+ trap_table = &trapbase_cpu2;
+ INSTANTIATE(trap_table)
+ trap_table = &trapbase_cpu3;
+ INSTANTIATE(trap_table)
#endif
#undef INSTANTIATE
/*
@@ -454,7 +416,8 @@ out:
return ret;
}
-/* These variables are used to access state from the assembler
+/*
+ * These variables are used to access state from the assembler
* interrupt handler, floppy_hardint, so we cannot put these in
* the floppy driver image because that would not work in the
* modular case.
@@ -477,8 +440,6 @@ EXPORT_SYMBOL(pdma_base);
unsigned long pdma_areasize;
EXPORT_SYMBOL(pdma_areasize);
-extern void floppy_hardint(void);
-
static irq_handler_t floppy_irq_handler;
void sparc_floppy_irq(int irq, void *dev_id, struct pt_regs *regs)
@@ -494,9 +455,11 @@ void sparc_floppy_irq(int irq, void *dev_id, struct pt_regs *regs)
irq_exit();
enable_pil_irq(irq);
set_irq_regs(old_regs);
- // XXX Eek, it's totally changed with preempt_count() and such
- // if (softirq_pending(cpu))
- // do_softirq();
+ /*
+ * XXX Eek, it's totally changed with preempt_count() and such
+ * if (softirq_pending(cpu))
+ * do_softirq();
+ */
}
int sparc_floppy_request_irq(int irq, unsigned long flags,
@@ -511,21 +474,18 @@ EXPORT_SYMBOL(sparc_floppy_request_irq);
int request_irq(unsigned int irq,
irq_handler_t handler,
- unsigned long irqflags, const char * devname, void *dev_id)
+ unsigned long irqflags, const char *devname, void *dev_id)
{
- struct irqaction * action, **actionp;
+ struct irqaction *action, **actionp;
unsigned long flags;
unsigned int cpu_irq;
int ret;
-
- if (sparc_cpu_model == sun4d) {
- extern int sun4d_request_irq(unsigned int,
- irq_handler_t ,
- unsigned long, const char *, void *);
+
+ if (sparc_cpu_model == sun4d)
return sun4d_request_irq(irq, handler, irqflags, devname, dev_id);
- }
+
cpu_irq = irq & (NR_IRQS - 1);
- if(cpu_irq > 14) {
+ if (cpu_irq > 14) {
ret = -EINVAL;
goto out;
}
@@ -533,7 +493,7 @@ int request_irq(unsigned int irq,
ret = -EINVAL;
goto out;
}
-
+
spin_lock_irqsave(&irq_action_lock, flags);
actionp = &sparc_irq[cpu_irq].action;
@@ -544,7 +504,8 @@ int request_irq(unsigned int irq,
goto out_unlock;
}
if ((action->flags & IRQF_DISABLED) != (irqflags & IRQF_DISABLED)) {
- printk("Attempt to mix fast and slow interrupts on IRQ%d denied\n", irq);
+ printk(KERN_ERR "Attempt to mix fast and slow interrupts on IRQ%d denied\n",
+ irq);
ret = -EBUSY;
goto out_unlock;
}
@@ -559,14 +520,12 @@ int request_irq(unsigned int irq,
if (static_irq_count < MAX_STATIC_ALLOC)
action = &static_irqaction[static_irq_count++];
else
- printk("Request for IRQ%d (%s) SA_STATIC_ALLOC failed using kmalloc\n", irq, devname);
+ printk(KERN_ERR "Request for IRQ%d (%s) SA_STATIC_ALLOC failed using kmalloc\n",
+ irq, devname);
}
-
if (action == NULL)
- action = kmalloc(sizeof(struct irqaction),
- GFP_ATOMIC);
-
- if (!action) {
+ action = kmalloc(sizeof(struct irqaction), GFP_ATOMIC);
+ if (!action) {
ret = -ENOMEM;
goto out_unlock;
}
@@ -587,7 +546,6 @@ out_unlock:
out:
return ret;
}
-
EXPORT_SYMBOL(request_irq);
void disable_irq_nosync(unsigned int irq)
@@ -606,26 +564,30 @@ void enable_irq(unsigned int irq)
{
__enable_irq(irq);
}
-
EXPORT_SYMBOL(enable_irq);
-/* We really don't need these at all on the Sparc. We only have
+/*
+ * We really don't need these at all on the Sparc. We only have
* stubs here because they are exported to modules.
*/
unsigned long probe_irq_on(void)
{
return 0;
}
-
EXPORT_SYMBOL(probe_irq_on);
int probe_irq_off(unsigned long mask)
{
return 0;
}
-
EXPORT_SYMBOL(probe_irq_off);
+static unsigned int build_device_irq(struct platform_device *op,
+ unsigned int real_irq)
+{
+ return real_irq;
+}
+
/* djhr
* This could probably be made indirect too and assigned in the CPU
* bits of the code. That would be much nicer I think and would also
@@ -636,11 +598,9 @@ EXPORT_SYMBOL(probe_irq_off);
void __init init_IRQ(void)
{
- extern void sun4c_init_IRQ( void );
- extern void sun4m_init_IRQ( void );
- extern void sun4d_init_IRQ( void );
+ sparc_irq_config.build_device_irq = build_device_irq;
- switch(sparc_cpu_model) {
+ switch (sparc_cpu_model) {
case sun4c:
case sun4:
sun4c_init_IRQ();
@@ -656,7 +616,7 @@ void __init init_IRQ(void)
#endif
sun4m_init_IRQ();
break;
-
+
case sun4d:
sun4d_init_IRQ();
break;
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index 830d70a3e20b..b1d275ce3435 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -82,7 +82,7 @@ static void bucket_clear_chain_pa(unsigned long bucket_pa)
"i" (ASI_PHYS_USE_EC));
}
-static unsigned int bucket_get_virt_irq(unsigned long bucket_pa)
+static unsigned int bucket_get_irq(unsigned long bucket_pa)
{
unsigned int ret;
@@ -90,21 +90,20 @@ static unsigned int bucket_get_virt_irq(unsigned long bucket_pa)
: "=&r" (ret)
: "r" (bucket_pa +
offsetof(struct ino_bucket,
- __virt_irq)),
+ __irq)),
"i" (ASI_PHYS_USE_EC));
return ret;
}
-static void bucket_set_virt_irq(unsigned long bucket_pa,
- unsigned int virt_irq)
+static void bucket_set_irq(unsigned long bucket_pa, unsigned int irq)
{
__asm__ __volatile__("stwa %0, [%1] %2"
: /* no outputs */
- : "r" (virt_irq),
+ : "r" (irq),
"r" (bucket_pa +
offsetof(struct ino_bucket,
- __virt_irq)),
+ __irq)),
"i" (ASI_PHYS_USE_EC));
}
@@ -114,97 +113,63 @@ static struct {
unsigned int dev_handle;
unsigned int dev_ino;
unsigned int in_use;
-} virt_irq_table[NR_IRQS];
-static DEFINE_SPINLOCK(virt_irq_alloc_lock);
+} irq_table[NR_IRQS];
+static DEFINE_SPINLOCK(irq_alloc_lock);
-unsigned char virt_irq_alloc(unsigned int dev_handle,
- unsigned int dev_ino)
+unsigned char irq_alloc(unsigned int dev_handle, unsigned int dev_ino)
{
unsigned long flags;
unsigned char ent;
BUILD_BUG_ON(NR_IRQS >= 256);
- spin_lock_irqsave(&virt_irq_alloc_lock, flags);
+ spin_lock_irqsave(&irq_alloc_lock, flags);
for (ent = 1; ent < NR_IRQS; ent++) {
- if (!virt_irq_table[ent].in_use)
+ if (!irq_table[ent].in_use)
break;
}
if (ent >= NR_IRQS) {
printk(KERN_ERR "IRQ: Out of virtual IRQs.\n");
ent = 0;
} else {
- virt_irq_table[ent].dev_handle = dev_handle;
- virt_irq_table[ent].dev_ino = dev_ino;
- virt_irq_table[ent].in_use = 1;
+ irq_table[ent].dev_handle = dev_handle;
+ irq_table[ent].dev_ino = dev_ino;
+ irq_table[ent].in_use = 1;
}
- spin_unlock_irqrestore(&virt_irq_alloc_lock, flags);
+ spin_unlock_irqrestore(&irq_alloc_lock, flags);
return ent;
}
#ifdef CONFIG_PCI_MSI
-void virt_irq_free(unsigned int virt_irq)
+void irq_free(unsigned int irq)
{
unsigned long flags;
- if (virt_irq >= NR_IRQS)
+ if (irq >= NR_IRQS)
return;
- spin_lock_irqsave(&virt_irq_alloc_lock, flags);
+ spin_lock_irqsave(&irq_alloc_lock, flags);
- virt_irq_table[virt_irq].in_use = 0;
+ irq_table[irq].in_use = 0;
- spin_unlock_irqrestore(&virt_irq_alloc_lock, flags);
+ spin_unlock_irqrestore(&irq_alloc_lock, flags);
}
#endif
/*
* /proc/interrupts printing:
*/
-
-int show_interrupts(struct seq_file *p, void *v)
+int arch_show_interrupts(struct seq_file *p, int prec)
{
- int i = *(loff_t *) v, j;
- struct irqaction * action;
- unsigned long flags;
+ int j;
- if (i == 0) {
- seq_printf(p, " ");
- for_each_online_cpu(j)
- seq_printf(p, "CPU%d ",j);
- seq_putc(p, '\n');
- }
-
- if (i < NR_IRQS) {
- raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
- action = irq_desc[i].action;
- if (!action)
- goto skip;
- seq_printf(p, "%3d: ",i);
-#ifndef CONFIG_SMP
- seq_printf(p, "%10u ", kstat_irqs(i));
-#else
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
-#endif
- seq_printf(p, " %9s", irq_desc[i].chip->name);
- seq_printf(p, " %s", action->name);
-
- for (action=action->next; action; action = action->next)
- seq_printf(p, ", %s", action->name);
-
- seq_putc(p, '\n');
-skip:
- raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
- } else if (i == NR_IRQS) {
- seq_printf(p, "NMI: ");
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_data(j).__nmi_count);
- seq_printf(p, " Non-maskable interrupts\n");
- }
+ seq_printf(p, "NMI: ");
+ for_each_online_cpu(j)
+ seq_printf(p, "%10u ", cpu_data(j).__nmi_count);
+ seq_printf(p, " Non-maskable interrupts\n");
return 0;
}
@@ -253,39 +218,38 @@ struct irq_handler_data {
};
#ifdef CONFIG_SMP
-static int irq_choose_cpu(unsigned int virt_irq, const struct cpumask *affinity)
+static int irq_choose_cpu(unsigned int irq, const struct cpumask *affinity)
{
cpumask_t mask;
int cpuid;
cpumask_copy(&mask, affinity);
if (cpus_equal(mask, cpu_online_map)) {
- cpuid = map_to_cpu(virt_irq);
+ cpuid = map_to_cpu(irq);
} else {
cpumask_t tmp;
cpus_and(tmp, cpu_online_map, mask);
- cpuid = cpus_empty(tmp) ? map_to_cpu(virt_irq) : first_cpu(tmp);
+ cpuid = cpus_empty(tmp) ? map_to_cpu(irq) : first_cpu(tmp);
}
return cpuid;
}
#else
-#define irq_choose_cpu(virt_irq, affinity) \
+#define irq_choose_cpu(irq, affinity) \
real_hard_smp_processor_id()
#endif
-static void sun4u_irq_enable(unsigned int virt_irq)
+static void sun4u_irq_enable(struct irq_data *data)
{
- struct irq_handler_data *data = get_irq_chip_data(virt_irq);
+ struct irq_handler_data *handler_data = data->handler_data;
- if (likely(data)) {
+ if (likely(handler_data)) {
unsigned long cpuid, imap, val;
unsigned int tid;
- cpuid = irq_choose_cpu(virt_irq,
- irq_desc[virt_irq].affinity);
- imap = data->imap;
+ cpuid = irq_choose_cpu(data->irq, data->affinity);
+ imap = handler_data->imap;
tid = sun4u_compute_tid(imap, cpuid);
@@ -294,21 +258,21 @@ static void sun4u_irq_enable(unsigned int virt_irq)
IMAP_AID_SAFARI | IMAP_NID_SAFARI);
val |= tid | IMAP_VALID;
upa_writeq(val, imap);
- upa_writeq(ICLR_IDLE, data->iclr);
+ upa_writeq(ICLR_IDLE, handler_data->iclr);
}
}
-static int sun4u_set_affinity(unsigned int virt_irq,
- const struct cpumask *mask)
+static int sun4u_set_affinity(struct irq_data *data,
+ const struct cpumask *mask, bool force)
{
- struct irq_handler_data *data = get_irq_chip_data(virt_irq);
+ struct irq_handler_data *handler_data = data->handler_data;
- if (likely(data)) {
+ if (likely(handler_data)) {
unsigned long cpuid, imap, val;
unsigned int tid;
- cpuid = irq_choose_cpu(virt_irq, mask);
- imap = data->imap;
+ cpuid = irq_choose_cpu(data->irq, mask);
+ imap = handler_data->imap;
tid = sun4u_compute_tid(imap, cpuid);
@@ -317,7 +281,7 @@ static int sun4u_set_affinity(unsigned int virt_irq,
IMAP_AID_SAFARI | IMAP_NID_SAFARI);
val |= tid | IMAP_VALID;
upa_writeq(val, imap);
- upa_writeq(ICLR_IDLE, data->iclr);
+ upa_writeq(ICLR_IDLE, handler_data->iclr);
}
return 0;
@@ -340,27 +304,22 @@ static int sun4u_set_affinity(unsigned int virt_irq,
* sees that, it also hooks up a default ->shutdown method which
* invokes ->mask() which we do not want. See irq_chip_set_defaults().
*/
-static void sun4u_irq_disable(unsigned int virt_irq)
+static void sun4u_irq_disable(struct irq_data *data)
{
}
-static void sun4u_irq_eoi(unsigned int virt_irq)
+static void sun4u_irq_eoi(struct irq_data *data)
{
- struct irq_handler_data *data = get_irq_chip_data(virt_irq);
- struct irq_desc *desc = irq_desc + virt_irq;
+ struct irq_handler_data *handler_data = data->handler_data;
- if (unlikely(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- return;
-
- if (likely(data))
- upa_writeq(ICLR_IDLE, data->iclr);
+ if (likely(handler_data))
+ upa_writeq(ICLR_IDLE, handler_data->iclr);
}
-static void sun4v_irq_enable(unsigned int virt_irq)
+static void sun4v_irq_enable(struct irq_data *data)
{
- unsigned int ino = virt_irq_table[virt_irq].dev_ino;
- unsigned long cpuid = irq_choose_cpu(virt_irq,
- irq_desc[virt_irq].affinity);
+ unsigned int ino = irq_table[data->irq].dev_ino;
+ unsigned long cpuid = irq_choose_cpu(data->irq, data->affinity);
int err;
err = sun4v_intr_settarget(ino, cpuid);
@@ -377,11 +336,11 @@ static void sun4v_irq_enable(unsigned int virt_irq)
ino, err);
}
-static int sun4v_set_affinity(unsigned int virt_irq,
- const struct cpumask *mask)
+static int sun4v_set_affinity(struct irq_data *data,
+ const struct cpumask *mask, bool force)
{
- unsigned int ino = virt_irq_table[virt_irq].dev_ino;
- unsigned long cpuid = irq_choose_cpu(virt_irq, mask);
+ unsigned int ino = irq_table[data->irq].dev_ino;
+ unsigned long cpuid = irq_choose_cpu(data->irq, mask);
int err;
err = sun4v_intr_settarget(ino, cpuid);
@@ -392,9 +351,9 @@ static int sun4v_set_affinity(unsigned int virt_irq,
return 0;
}
-static void sun4v_irq_disable(unsigned int virt_irq)
+static void sun4v_irq_disable(struct irq_data *data)
{
- unsigned int ino = virt_irq_table[virt_irq].dev_ino;
+ unsigned int ino = irq_table[data->irq].dev_ino;
int err;
err = sun4v_intr_setenabled(ino, HV_INTR_DISABLED);
@@ -403,30 +362,26 @@ static void sun4v_irq_disable(unsigned int virt_irq)
"err(%d)\n", ino, err);
}
-static void sun4v_irq_eoi(unsigned int virt_irq)
+static void sun4v_irq_eoi(struct irq_data *data)
{
- unsigned int ino = virt_irq_table[virt_irq].dev_ino;
- struct irq_desc *desc = irq_desc + virt_irq;
+ unsigned int ino = irq_table[data->irq].dev_ino;
int err;
- if (unlikely(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- return;
-
err = sun4v_intr_setstate(ino, HV_INTR_STATE_IDLE);
if (err != HV_EOK)
printk(KERN_ERR "sun4v_intr_setstate(%x): "
"err(%d)\n", ino, err);
}
-static void sun4v_virq_enable(unsigned int virt_irq)
+static void sun4v_virq_enable(struct irq_data *data)
{
unsigned long cpuid, dev_handle, dev_ino;
int err;
- cpuid = irq_choose_cpu(virt_irq, irq_desc[virt_irq].affinity);
+ cpuid = irq_choose_cpu(data->irq, data->affinity);
- dev_handle = virt_irq_table[virt_irq].dev_handle;
- dev_ino = virt_irq_table[virt_irq].dev_ino;
+ dev_handle = irq_table[data->irq].dev_handle;
+ dev_ino = irq_table[data->irq].dev_ino;
err = sun4v_vintr_set_target(dev_handle, dev_ino, cpuid);
if (err != HV_EOK)
@@ -447,16 +402,16 @@ static void sun4v_virq_enable(unsigned int virt_irq)
dev_handle, dev_ino, err);
}
-static int sun4v_virt_set_affinity(unsigned int virt_irq,
- const struct cpumask *mask)
+static int sun4v_virt_set_affinity(struct irq_data *data,
+ const struct cpumask *mask, bool force)
{
unsigned long cpuid, dev_handle, dev_ino;
int err;
- cpuid = irq_choose_cpu(virt_irq, mask);
+ cpuid = irq_choose_cpu(data->irq, mask);
- dev_handle = virt_irq_table[virt_irq].dev_handle;
- dev_ino = virt_irq_table[virt_irq].dev_ino;
+ dev_handle = irq_table[data->irq].dev_handle;
+ dev_ino = irq_table[data->irq].dev_ino;
err = sun4v_vintr_set_target(dev_handle, dev_ino, cpuid);
if (err != HV_EOK)
@@ -467,13 +422,13 @@ static int sun4v_virt_set_affinity(unsigned int virt_irq,
return 0;
}
-static void sun4v_virq_disable(unsigned int virt_irq)
+static void sun4v_virq_disable(struct irq_data *data)
{
unsigned long dev_handle, dev_ino;
int err;
- dev_handle = virt_irq_table[virt_irq].dev_handle;
- dev_ino = virt_irq_table[virt_irq].dev_ino;
+ dev_handle = irq_table[data->irq].dev_handle;
+ dev_ino = irq_table[data->irq].dev_ino;
err = sun4v_vintr_set_valid(dev_handle, dev_ino,
HV_INTR_DISABLED);
@@ -483,17 +438,13 @@ static void sun4v_virq_disable(unsigned int virt_irq)
dev_handle, dev_ino, err);
}
-static void sun4v_virq_eoi(unsigned int virt_irq)
+static void sun4v_virq_eoi(struct irq_data *data)
{
- struct irq_desc *desc = irq_desc + virt_irq;
unsigned long dev_handle, dev_ino;
int err;
- if (unlikely(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- return;
-
- dev_handle = virt_irq_table[virt_irq].dev_handle;
- dev_ino = virt_irq_table[virt_irq].dev_ino;
+ dev_handle = irq_table[data->irq].dev_handle;
+ dev_ino = irq_table[data->irq].dev_ino;
err = sun4v_vintr_set_state(dev_handle, dev_ino,
HV_INTR_STATE_IDLE);
@@ -504,132 +455,128 @@ static void sun4v_virq_eoi(unsigned int virt_irq)
}
static struct irq_chip sun4u_irq = {
- .name = "sun4u",
- .enable = sun4u_irq_enable,
- .disable = sun4u_irq_disable,
- .eoi = sun4u_irq_eoi,
- .set_affinity = sun4u_set_affinity,
+ .name = "sun4u",
+ .irq_enable = sun4u_irq_enable,
+ .irq_disable = sun4u_irq_disable,
+ .irq_eoi = sun4u_irq_eoi,
+ .irq_set_affinity = sun4u_set_affinity,
+ .flags = IRQCHIP_EOI_IF_HANDLED,
};
static struct irq_chip sun4v_irq = {
- .name = "sun4v",
- .enable = sun4v_irq_enable,
- .disable = sun4v_irq_disable,
- .eoi = sun4v_irq_eoi,
- .set_affinity = sun4v_set_affinity,
+ .name = "sun4v",
+ .irq_enable = sun4v_irq_enable,
+ .irq_disable = sun4v_irq_disable,
+ .irq_eoi = sun4v_irq_eoi,
+ .irq_set_affinity = sun4v_set_affinity,
+ .flags = IRQCHIP_EOI_IF_HANDLED,
};
static struct irq_chip sun4v_virq = {
- .name = "vsun4v",
- .enable = sun4v_virq_enable,
- .disable = sun4v_virq_disable,
- .eoi = sun4v_virq_eoi,
- .set_affinity = sun4v_virt_set_affinity,
+ .name = "vsun4v",
+ .irq_enable = sun4v_virq_enable,
+ .irq_disable = sun4v_virq_disable,
+ .irq_eoi = sun4v_virq_eoi,
+ .irq_set_affinity = sun4v_virt_set_affinity,
+ .flags = IRQCHIP_EOI_IF_HANDLED,
};
-static void pre_flow_handler(unsigned int virt_irq,
- struct irq_desc *desc)
+static void pre_flow_handler(struct irq_data *d)
{
- struct irq_handler_data *data = get_irq_chip_data(virt_irq);
- unsigned int ino = virt_irq_table[virt_irq].dev_ino;
+ struct irq_handler_data *handler_data = irq_data_get_irq_handler_data(d);
+ unsigned int ino = irq_table[d->irq].dev_ino;
- data->pre_handler(ino, data->arg1, data->arg2);
-
- handle_fasteoi_irq(virt_irq, desc);
+ handler_data->pre_handler(ino, handler_data->arg1, handler_data->arg2);
}
-void irq_install_pre_handler(int virt_irq,
+void irq_install_pre_handler(int irq,
void (*func)(unsigned int, void *, void *),
void *arg1, void *arg2)
{
- struct irq_handler_data *data = get_irq_chip_data(virt_irq);
- struct irq_desc *desc = irq_desc + virt_irq;
+ struct irq_handler_data *handler_data = irq_get_handler_data(irq);
- data->pre_handler = func;
- data->arg1 = arg1;
- data->arg2 = arg2;
+ handler_data->pre_handler = func;
+ handler_data->arg1 = arg1;
+ handler_data->arg2 = arg2;
- desc->handle_irq = pre_flow_handler;
+ __irq_set_preflow_handler(irq, pre_flow_handler);
}
unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap)
{
struct ino_bucket *bucket;
- struct irq_handler_data *data;
- unsigned int virt_irq;
+ struct irq_handler_data *handler_data;
+ unsigned int irq;
int ino;
BUG_ON(tlb_type == hypervisor);
ino = (upa_readq(imap) & (IMAP_IGN | IMAP_INO)) + inofixup;
bucket = &ivector_table[ino];
- virt_irq = bucket_get_virt_irq(__pa(bucket));
- if (!virt_irq) {
- virt_irq = virt_irq_alloc(0, ino);
- bucket_set_virt_irq(__pa(bucket), virt_irq);
- set_irq_chip_and_handler_name(virt_irq,
- &sun4u_irq,
- handle_fasteoi_irq,
- "IVEC");
+ irq = bucket_get_irq(__pa(bucket));
+ if (!irq) {
+ irq = irq_alloc(0, ino);
+ bucket_set_irq(__pa(bucket), irq);
+ irq_set_chip_and_handler_name(irq, &sun4u_irq,
+ handle_fasteoi_irq, "IVEC");
}
- data = get_irq_chip_data(virt_irq);
- if (unlikely(data))
+ handler_data = irq_get_handler_data(irq);
+ if (unlikely(handler_data))
goto out;
- data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC);
- if (unlikely(!data)) {
+ handler_data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC);
+ if (unlikely(!handler_data)) {
prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n");
prom_halt();
}
- set_irq_chip_data(virt_irq, data);
+ irq_set_handler_data(irq, handler_data);
- data->imap = imap;
- data->iclr = iclr;
+ handler_data->imap = imap;
+ handler_data->iclr = iclr;
out:
- return virt_irq;
+ return irq;
}
static unsigned int sun4v_build_common(unsigned long sysino,
struct irq_chip *chip)
{
struct ino_bucket *bucket;
- struct irq_handler_data *data;
- unsigned int virt_irq;
+ struct irq_handler_data *handler_data;
+ unsigned int irq;
BUG_ON(tlb_type != hypervisor);
bucket = &ivector_table[sysino];
- virt_irq = bucket_get_virt_irq(__pa(bucket));
- if (!virt_irq) {
- virt_irq = virt_irq_alloc(0, sysino);
- bucket_set_virt_irq(__pa(bucket), virt_irq);
- set_irq_chip_and_handler_name(virt_irq, chip,
- handle_fasteoi_irq,
+ irq = bucket_get_irq(__pa(bucket));
+ if (!irq) {
+ irq = irq_alloc(0, sysino);
+ bucket_set_irq(__pa(bucket), irq);
+ irq_set_chip_and_handler_name(irq, chip, handle_fasteoi_irq,
"IVEC");
}
- data = get_irq_chip_data(virt_irq);
- if (unlikely(data))
+ handler_data = irq_get_handler_data(irq);
+ if (unlikely(handler_data))
goto out;
- data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC);
- if (unlikely(!data)) {
+ handler_data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC);
+ if (unlikely(!handler_data)) {
prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n");
prom_halt();
}
- set_irq_chip_data(virt_irq, data);
+ irq_set_handler_data(irq, handler_data);
/* Catch accidental accesses to these things. IMAP/ICLR handling
* is done by hypervisor calls on sun4v platforms, not by direct
* register accesses.
*/
- data->imap = ~0UL;
- data->iclr = ~0UL;
+ handler_data->imap = ~0UL;
+ handler_data->iclr = ~0UL;
out:
- return virt_irq;
+ return irq;
}
unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino)
@@ -641,11 +588,10 @@ unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino)
unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
{
- struct irq_handler_data *data;
+ struct irq_handler_data *handler_data;
unsigned long hv_err, cookie;
struct ino_bucket *bucket;
- struct irq_desc *desc;
- unsigned int virt_irq;
+ unsigned int irq;
bucket = kzalloc(sizeof(struct ino_bucket), GFP_ATOMIC);
if (unlikely(!bucket))
@@ -662,32 +608,29 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
((unsigned long) bucket +
sizeof(struct ino_bucket)));
- virt_irq = virt_irq_alloc(devhandle, devino);
- bucket_set_virt_irq(__pa(bucket), virt_irq);
+ irq = irq_alloc(devhandle, devino);
+ bucket_set_irq(__pa(bucket), irq);
- set_irq_chip_and_handler_name(virt_irq, &sun4v_virq,
- handle_fasteoi_irq,
+ irq_set_chip_and_handler_name(irq, &sun4v_virq, handle_fasteoi_irq,
"IVEC");
- data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC);
- if (unlikely(!data))
+ handler_data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC);
+ if (unlikely(!handler_data))
return 0;
/* In order to make the LDC channel startup sequence easier,
* especially wrt. locking, we do not let request_irq() enable
* the interrupt.
*/
- desc = irq_desc + virt_irq;
- desc->status |= IRQ_NOAUTOEN;
-
- set_irq_chip_data(virt_irq, data);
+ irq_set_status_flags(irq, IRQ_NOAUTOEN);
+ irq_set_handler_data(irq, handler_data);
/* Catch accidental accesses to these things. IMAP/ICLR handling
* is done by hypervisor calls on sun4v platforms, not by direct
* register accesses.
*/
- data->imap = ~0UL;
- data->iclr = ~0UL;
+ handler_data->imap = ~0UL;
+ handler_data->iclr = ~0UL;
cookie = ~__pa(bucket);
hv_err = sun4v_vintr_set_cookie(devhandle, devino, cookie);
@@ -697,30 +640,30 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
prom_halt();
}
- return virt_irq;
+ return irq;
}
-void ack_bad_irq(unsigned int virt_irq)
+void ack_bad_irq(unsigned int irq)
{
- unsigned int ino = virt_irq_table[virt_irq].dev_ino;
+ unsigned int ino = irq_table[irq].dev_ino;
if (!ino)
ino = 0xdeadbeef;
- printk(KERN_CRIT "Unexpected IRQ from ino[%x] virt_irq[%u]\n",
- ino, virt_irq);
+ printk(KERN_CRIT "Unexpected IRQ from ino[%x] irq[%u]\n",
+ ino, irq);
}
void *hardirq_stack[NR_CPUS];
void *softirq_stack[NR_CPUS];
-void __irq_entry handler_irq(int irq, struct pt_regs *regs)
+void __irq_entry handler_irq(int pil, struct pt_regs *regs)
{
unsigned long pstate, bucket_pa;
struct pt_regs *old_regs;
void *orig_sp;
- clear_softint(1 << irq);
+ clear_softint(1 << pil);
old_regs = set_irq_regs(regs);
irq_enter();
@@ -739,18 +682,14 @@ void __irq_entry handler_irq(int irq, struct pt_regs *regs)
orig_sp = set_hardirq_stack();
while (bucket_pa) {
- struct irq_desc *desc;
unsigned long next_pa;
- unsigned int virt_irq;
+ unsigned int irq;
next_pa = bucket_get_chain_pa(bucket_pa);
- virt_irq = bucket_get_virt_irq(bucket_pa);
+ irq = bucket_get_irq(bucket_pa);
bucket_clear_chain_pa(bucket_pa);
- desc = irq_desc + virt_irq;
-
- if (!(desc->status & IRQ_DISABLED))
- desc->handle_irq(virt_irq, desc);
+ generic_handle_irq(irq);
bucket_pa = next_pa;
}
@@ -793,16 +732,18 @@ void fixup_irqs(void)
unsigned int irq;
for (irq = 0; irq < NR_IRQS; irq++) {
+ struct irq_desc *desc = irq_to_desc(irq);
+ struct irq_data *data = irq_desc_get_irq_data(desc);
unsigned long flags;
- raw_spin_lock_irqsave(&irq_desc[irq].lock, flags);
- if (irq_desc[irq].action &&
- !(irq_desc[irq].status & IRQ_PER_CPU)) {
- if (irq_desc[irq].chip->set_affinity)
- irq_desc[irq].chip->set_affinity(irq,
- irq_desc[irq].affinity);
+ raw_spin_lock_irqsave(&desc->lock, flags);
+ if (desc->action && !irqd_is_per_cpu(data)) {
+ if (data->chip->irq_set_affinity)
+ data->chip->irq_set_affinity(data,
+ data->affinity,
+ false);
}
- raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
tick_ops->disable_irq();
@@ -1040,5 +981,5 @@ void __init init_IRQ(void)
: "i" (PSTATE_IE)
: "g1");
- irq_desc[0].action = &timer_irq_action;
+ irq_to_desc(0)->action = &timer_irq_action;
}
diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h
index 15d8a3f645c9..24ad449886be 100644
--- a/arch/sparc/kernel/kernel.h
+++ b/arch/sparc/kernel/kernel.h
@@ -3,6 +3,8 @@
#include <linux/interrupt.h>
+#include <asm/traps.h>
+
/* cpu.c */
extern const char *sparc_cpu_type;
extern const char *sparc_pmu_type;
@@ -26,6 +28,53 @@ extern int static_irq_count;
extern spinlock_t irq_action_lock;
extern void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
+extern void init_IRQ(void);
+
+/* sun4c_irq.c */
+extern void sun4c_init_IRQ(void);
+
+/* sun4m_irq.c */
+extern unsigned int lvl14_resolution;
+
+extern void sun4m_init_IRQ(void);
+extern void sun4m_clear_profile_irq(int cpu);
+
+/* sun4d_irq.c */
+extern spinlock_t sun4d_imsk_lock;
+
+extern void sun4d_init_IRQ(void);
+extern int sun4d_request_irq(unsigned int irq,
+ irq_handler_t handler,
+ unsigned long irqflags,
+ const char *devname, void *dev_id);
+extern int show_sun4d_interrupts(struct seq_file *, void *);
+extern void sun4d_distribute_irqs(void);
+extern void sun4d_free_irq(unsigned int irq, void *dev_id);
+
+/* head_32.S */
+extern unsigned int t_nmi[];
+extern unsigned int linux_trap_ipi15_sun4d[];
+extern unsigned int linux_trap_ipi15_sun4m[];
+
+extern struct tt_entry trapbase_cpu1;
+extern struct tt_entry trapbase_cpu2;
+extern struct tt_entry trapbase_cpu3;
+
+extern char cputypval[];
+
+/* entry.S */
+extern unsigned long lvl14_save[4];
+extern unsigned int real_irq_entry[];
+extern unsigned int smp4d_ticker[];
+extern unsigned int patchme_maybe_smp_msg[];
+
+extern void floppy_hardint(void);
+
+/* trampoline_32.S */
+extern int __smp4m_processor_id(void);
+extern int __smp4d_processor_id(void);
+extern unsigned long sun4m_cpu_startup;
+extern unsigned long sun4d_cpu_startup;
#else /* CONFIG_SPARC32 */
#endif /* CONFIG_SPARC32 */
diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c
index df39a0f0d27a..732b0bce6001 100644
--- a/arch/sparc/kernel/ldc.c
+++ b/arch/sparc/kernel/ldc.c
@@ -790,16 +790,20 @@ static void send_events(struct ldc_channel *lp, unsigned int event_mask)
static irqreturn_t ldc_rx(int irq, void *dev_id)
{
struct ldc_channel *lp = dev_id;
- unsigned long orig_state, hv_err, flags;
+ unsigned long orig_state, flags;
unsigned int event_mask;
spin_lock_irqsave(&lp->lock, flags);
orig_state = lp->chan_state;
- hv_err = sun4v_ldc_rx_get_state(lp->id,
- &lp->rx_head,
- &lp->rx_tail,
- &lp->chan_state);
+
+ /* We should probably check for hypervisor errors here and
+ * reset the LDC channel if we get one.
+ */
+ sun4v_ldc_rx_get_state(lp->id,
+ &lp->rx_head,
+ &lp->rx_tail,
+ &lp->chan_state);
ldcdbg(RX, "RX state[0x%02lx:0x%02lx] head[0x%04lx] tail[0x%04lx]\n",
orig_state, lp->chan_state, lp->rx_head, lp->rx_tail);
@@ -904,16 +908,20 @@ out:
static irqreturn_t ldc_tx(int irq, void *dev_id)
{
struct ldc_channel *lp = dev_id;
- unsigned long flags, hv_err, orig_state;
+ unsigned long flags, orig_state;
unsigned int event_mask = 0;
spin_lock_irqsave(&lp->lock, flags);
orig_state = lp->chan_state;
- hv_err = sun4v_ldc_tx_get_state(lp->id,
- &lp->tx_head,
- &lp->tx_tail,
- &lp->chan_state);
+
+ /* We should probably check for hypervisor errors here and
+ * reset the LDC channel if we get one.
+ */
+ sun4v_ldc_tx_get_state(lp->id,
+ &lp->tx_head,
+ &lp->tx_tail,
+ &lp->chan_state);
ldcdbg(TX, " TX state[0x%02lx:0x%02lx] head[0x%04lx] tail[0x%04lx]\n",
orig_state, lp->chan_state, lp->tx_head, lp->tx_tail);
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c
index fdab7f854f80..2969f777fa11 100644
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -30,6 +30,7 @@ struct amba_apb_device leon_percpu_timer_dev[16];
int leondebug_irq_disable;
int leon_debug_irqout;
static int dummy_master_l10_counter;
+unsigned long amba_system_id;
unsigned long leon3_gptimer_irq; /* interrupt controller irq number */
unsigned long leon3_gptimer_idx; /* Timer Index (0..6) within Timer Core */
@@ -117,10 +118,16 @@ void __init leon_init_timers(irq_handler_t counter_fn)
master_l10_counter = (unsigned int *)&dummy_master_l10_counter;
dummy_master_l10_counter = 0;
- /*Find IRQMP IRQ Controller Registers base address otherwise bail out.*/
rootnp = of_find_node_by_path("/ambapp0");
if (!rootnp)
goto bad;
+
+ /* Find System ID: GRLIB build ID and optional CHIP ID */
+ pp = of_find_property(rootnp, "systemid", &len);
+ if (pp)
+ amba_system_id = *(unsigned long *)pp->value;
+
+ /* Find IRQMP IRQ Controller Registers base adr otherwise bail out */
np = of_find_node_by_name(rootnp, "GAISLER_IRQMP");
if (!np) {
np = of_find_node_by_name(rootnp, "01_00d");
@@ -340,7 +347,7 @@ void leon_enable_irq_cpu(unsigned int irq_nr, unsigned int cpu)
void __init leon_init_IRQ(void)
{
- sparc_init_timers = leon_init_timers;
+ sparc_irq_config.init_timers = leon_init_timers;
BTFIXUPSET_CALL(enable_irq, leon_enable_irq, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(disable_irq, leon_disable_irq, BTFIXUPCALL_NORM);
diff --git a/arch/sparc/kernel/leon_pmc.c b/arch/sparc/kernel/leon_pmc.c
new file mode 100644
index 000000000000..519ca923f59f
--- /dev/null
+++ b/arch/sparc/kernel/leon_pmc.c
@@ -0,0 +1,82 @@
+/* leon_pmc.c: LEON Power-down cpu_idle() handler
+ *
+ * Copyright (C) 2011 Daniel Hellstrom (daniel@gaisler.com) Aeroflex Gaisler AB
+ */
+
+#include <linux/init.h>
+#include <linux/pm.h>
+
+#include <asm/leon_amba.h>
+#include <asm/leon.h>
+
+/* List of Systems that need fixup instructions around power-down instruction */
+unsigned int pmc_leon_fixup_ids[] = {
+ AEROFLEX_UT699,
+ GAISLER_GR712RC,
+ LEON4_NEXTREME1,
+ 0
+};
+
+int pmc_leon_need_fixup(void)
+{
+ unsigned int systemid = amba_system_id >> 16;
+ unsigned int *id;
+
+ id = &pmc_leon_fixup_ids[0];
+ while (*id != 0) {
+ if (*id == systemid)
+ return 1;
+ id++;
+ }
+
+ return 0;
+}
+
+/*
+ * CPU idle callback function for systems that need some extra handling
+ * See .../arch/sparc/kernel/process.c
+ */
+void pmc_leon_idle_fixup(void)
+{
+ /* Prepare an address to a non-cachable region. APB is always
+ * none-cachable. One instruction is executed after the Sleep
+ * instruction, we make sure to read the bus and throw away the
+ * value by accessing a non-cachable area, also we make sure the
+ * MMU does not get a TLB miss here by using the MMU BYPASS ASI.
+ */
+ register unsigned int address = (unsigned int)leon3_irqctrl_regs;
+ __asm__ __volatile__ (
+ "mov %%g0, %%asr19\n"
+ "lda [%0] %1, %%g0\n"
+ :
+ : "r"(address), "i"(ASI_LEON_BYPASS));
+}
+
+/*
+ * CPU idle callback function
+ * See .../arch/sparc/kernel/process.c
+ */
+void pmc_leon_idle(void)
+{
+ /* For systems without power-down, this will be no-op */
+ __asm__ __volatile__ ("mov %g0, %asr19\n\t");
+}
+
+/* Install LEON Power Down function */
+static int __init leon_pmc_install(void)
+{
+ /* Assign power management IDLE handler */
+ if (pmc_leon_need_fixup())
+ pm_idle = pmc_leon_idle_fixup;
+ else
+ pm_idle = pmc_leon_idle;
+
+ printk(KERN_INFO "leon: power management initialized\n");
+
+ return 0;
+}
+
+/* This driver is not critical to the boot process, don't care
+ * if initialized late.
+ */
+late_initcall(leon_pmc_install);
diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
index 16582d85368a..8f5de4aa3c0a 100644
--- a/arch/sparc/kernel/leon_smp.c
+++ b/arch/sparc/kernel/leon_smp.c
@@ -41,6 +41,8 @@
#include <asm/leon.h>
#include <asm/leon_amba.h>
+#include "kernel.h"
+
#ifdef CONFIG_SPARC_LEON
#include "irq.h"
@@ -261,23 +263,23 @@ void __init leon_smp_done(void)
/* Free unneeded trap tables */
if (!cpu_isset(1, cpu_present_map)) {
- ClearPageReserved(virt_to_page(trapbase_cpu1));
- init_page_count(virt_to_page(trapbase_cpu1));
- free_page((unsigned long)trapbase_cpu1);
+ ClearPageReserved(virt_to_page(&trapbase_cpu1));
+ init_page_count(virt_to_page(&trapbase_cpu1));
+ free_page((unsigned long)&trapbase_cpu1);
totalram_pages++;
num_physpages++;
}
if (!cpu_isset(2, cpu_present_map)) {
- ClearPageReserved(virt_to_page(trapbase_cpu2));
- init_page_count(virt_to_page(trapbase_cpu2));
- free_page((unsigned long)trapbase_cpu2);
+ ClearPageReserved(virt_to_page(&trapbase_cpu2));
+ init_page_count(virt_to_page(&trapbase_cpu2));
+ free_page((unsigned long)&trapbase_cpu2);
totalram_pages++;
num_physpages++;
}
if (!cpu_isset(3, cpu_present_map)) {
- ClearPageReserved(virt_to_page(trapbase_cpu3));
- init_page_count(virt_to_page(trapbase_cpu3));
- free_page((unsigned long)trapbase_cpu3);
+ ClearPageReserved(virt_to_page(&trapbase_cpu3));
+ init_page_count(virt_to_page(&trapbase_cpu3));
+ free_page((unsigned long)&trapbase_cpu3);
totalram_pages++;
num_physpages++;
}
@@ -437,15 +439,6 @@ void __init leon_blackbox_current(unsigned *addr)
}
-/*
- * CPU idle callback function
- * See .../arch/sparc/kernel/process.c
- */
-void pmc_leon_idle(void)
-{
- __asm__ volatile ("mov %g0, %asr19");
-}
-
void __init leon_init_smp(void)
{
/* Patch ipi15 trap table */
@@ -456,13 +449,6 @@ void __init leon_init_smp(void)
BTFIXUPSET_CALL(smp_cross_call, leon_cross_call, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(__hard_smp_processor_id, __leon_processor_id,
BTFIXUPCALL_NORM);
-
-#ifndef PMC_NO_IDLE
- /* Assign power management IDLE handler */
- pm_idle = pmc_leon_idle;
- printk(KERN_INFO "leon: power management initialized\n");
-#endif
-
}
#endif /* CONFIG_SPARC_LEON */
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index 6addb914fcc8..56db06432ce9 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -107,7 +107,7 @@ static struct mdesc_handle * __init mdesc_memblock_alloc(unsigned int mdesc_size
return hp;
}
-static void mdesc_memblock_free(struct mdesc_handle *hp)
+static void __init mdesc_memblock_free(struct mdesc_handle *hp)
{
unsigned int alloc_size;
unsigned long start;
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index 2d055a1e9cc2..a312af40ea84 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -13,6 +13,7 @@
#include <asm/leon_amba.h>
#include "of_device_common.h"
+#include "irq.h"
/*
* PCI bus specific translator
@@ -355,7 +356,8 @@ static struct platform_device * __init scan_one_device(struct device_node *dp,
if (intr) {
op->archdata.num_irqs = len / sizeof(struct linux_prom_irqs);
for (i = 0; i < op->archdata.num_irqs; i++)
- op->archdata.irqs[i] = intr[i].pri;
+ op->archdata.irqs[i] =
+ sparc_irq_config.build_device_irq(op, intr[i].pri);
} else {
const unsigned int *irq =
of_get_property(dp, "interrupts", &len);
@@ -363,64 +365,13 @@ static struct platform_device * __init scan_one_device(struct device_node *dp,
if (irq) {
op->archdata.num_irqs = len / sizeof(unsigned int);
for (i = 0; i < op->archdata.num_irqs; i++)
- op->archdata.irqs[i] = irq[i];
+ op->archdata.irqs[i] =
+ sparc_irq_config.build_device_irq(op, irq[i]);
} else {
op->archdata.num_irqs = 0;
}
}
- if (sparc_cpu_model == sun4d) {
- static int pil_to_sbus[] = {
- 0, 0, 1, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 0,
- };
- struct device_node *io_unit, *sbi = dp->parent;
- const struct linux_prom_registers *regs;
- int board, slot;
-
- while (sbi) {
- if (!strcmp(sbi->name, "sbi"))
- break;
-
- sbi = sbi->parent;
- }
- if (!sbi)
- goto build_resources;
-
- regs = of_get_property(dp, "reg", NULL);
- if (!regs)
- goto build_resources;
-
- slot = regs->which_io;
-
- /* If SBI's parent is not io-unit or the io-unit lacks
- * a "board#" property, something is very wrong.
- */
- if (!sbi->parent || strcmp(sbi->parent->name, "io-unit")) {
- printk("%s: Error, parent is not io-unit.\n",
- sbi->full_name);
- goto build_resources;
- }
- io_unit = sbi->parent;
- board = of_getintprop_default(io_unit, "board#", -1);
- if (board == -1) {
- printk("%s: Error, lacks board# property.\n",
- io_unit->full_name);
- goto build_resources;
- }
-
- for (i = 0; i < op->archdata.num_irqs; i++) {
- int this_irq = op->archdata.irqs[i];
- int sbusl = pil_to_sbus[this_irq];
-
- if (sbusl)
- this_irq = (((board + 1) << 5) +
- (sbusl << 2) +
- slot);
-
- op->archdata.irqs[i] = this_irq;
- }
- }
-build_resources:
build_device_resources(op, parent);
op->dev.parent = parent;
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index 63cd4e5d47c2..5c149689bb20 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -459,7 +459,7 @@ apply_interrupt_map(struct device_node *dp, struct device_node *pp,
*
* Handle this by deciding that, if we didn't get a
* match in the parent's 'interrupt-map', and the
- * parent is an IRQ translater, then use the parent as
+ * parent is an IRQ translator, then use the parent as
* our IRQ controller.
*/
if (pp->irq_trans)
diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c
index 49ddff56cb04..cb15bbf8a201 100644
--- a/arch/sparc/kernel/of_device_common.c
+++ b/arch/sparc/kernel/of_device_common.c
@@ -22,6 +22,33 @@ unsigned int irq_of_parse_and_map(struct device_node *node, int index)
}
EXPORT_SYMBOL(irq_of_parse_and_map);
+int of_address_to_resource(struct device_node *node, int index,
+ struct resource *r)
+{
+ struct platform_device *op = of_find_device_by_node(node);
+
+ if (!op || index >= op->num_resources)
+ return -EINVAL;
+
+ memcpy(r, &op->archdata.resource[index], sizeof(*r));
+ return 0;
+}
+EXPORT_SYMBOL_GPL(of_address_to_resource);
+
+void __iomem *of_iomap(struct device_node *node, int index)
+{
+ struct platform_device *op = of_find_device_by_node(node);
+ struct resource *r;
+
+ if (!op || index >= op->num_resources)
+ return NULL;
+
+ r = &op->archdata.resource[index];
+
+ return of_ioremap(r, 0, resource_size(r), (char *) r->name);
+}
+EXPORT_SYMBOL(of_iomap);
+
/* Take the archdata values for IOMMU, STC, and HOSTDATA found in
* BUS and propagate to all child platform_device objects.
*/
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 4137579d9adc..713dc91020a6 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -675,6 +675,7 @@ static void __devinit pci_bus_register_of_sysfs(struct pci_bus *bus)
* humanoid.
*/
err = sysfs_create_file(&dev->dev.kobj, &dev_attr_obppath.attr);
+ (void) err;
}
list_for_each_entry(child_bus, &bus->children, node)
pci_bus_register_of_sysfs(child_bus);
@@ -1001,22 +1002,22 @@ EXPORT_SYMBOL(pci_domain_nr);
int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
{
struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller;
- unsigned int virt_irq;
+ unsigned int irq;
if (!pbm->setup_msi_irq)
return -EINVAL;
- return pbm->setup_msi_irq(&virt_irq, pdev, desc);
+ return pbm->setup_msi_irq(&irq, pdev, desc);
}
-void arch_teardown_msi_irq(unsigned int virt_irq)
+void arch_teardown_msi_irq(unsigned int irq)
{
- struct msi_desc *entry = get_irq_msi(virt_irq);
+ struct msi_desc *entry = irq_get_msi_desc(irq);
struct pci_dev *pdev = entry->dev;
struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller;
if (pbm->teardown_msi_irq)
- pbm->teardown_msi_irq(virt_irq, pdev);
+ pbm->teardown_msi_irq(irq, pdev);
}
#endif /* !(CONFIG_PCI_MSI) */
diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c
index 6c7a33af3ba6..6e3874b64488 100644
--- a/arch/sparc/kernel/pci_common.c
+++ b/arch/sparc/kernel/pci_common.c
@@ -295,14 +295,17 @@ static int sun4v_write_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
unsigned int bus = bus_dev->number;
unsigned int device = PCI_SLOT(devfn);
unsigned int func = PCI_FUNC(devfn);
- unsigned long ret;
if (config_out_of_range(pbm, bus, devfn, where)) {
/* Do nothing. */
} else {
- ret = pci_sun4v_config_put(devhandle,
- HV_PCI_DEVICE_BUILD(bus, device, func),
- where, size, value);
+ /* We don't check for hypervisor errors here, but perhaps
+ * we should and influence our return value depending upon
+ * what kind of error is thrown.
+ */
+ pci_sun4v_config_put(devhandle,
+ HV_PCI_DEVICE_BUILD(bus, device, func),
+ where, size, value);
}
return PCIBIOS_SUCCESSFUL;
}
diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c
index efb896d68754..d29a32fcc5e4 100644
--- a/arch/sparc/kernel/pci_fire.c
+++ b/arch/sparc/kernel/pci_fire.c
@@ -214,11 +214,9 @@ static int pci_fire_msi_setup(struct pci_pbm_info *pbm, unsigned long msiqid,
static int pci_fire_msi_teardown(struct pci_pbm_info *pbm, unsigned long msi)
{
- unsigned long msiqid;
u64 val;
val = upa_readq(pbm->pbm_regs + MSI_MAP(msi));
- msiqid = (val & MSI_MAP_EQNUM);
val &= ~MSI_MAP_VALID;
@@ -277,7 +275,7 @@ static int pci_fire_msiq_build_irq(struct pci_pbm_info *pbm,
{
unsigned long cregs = (unsigned long) pbm->pbm_regs;
unsigned long imap_reg, iclr_reg, int_ctrlr;
- unsigned int virt_irq;
+ unsigned int irq;
int fixup;
u64 val;
@@ -293,14 +291,14 @@ static int pci_fire_msiq_build_irq(struct pci_pbm_info *pbm,
fixup = ((pbm->portid << 6) | devino) - int_ctrlr;
- virt_irq = build_irq(fixup, iclr_reg, imap_reg);
- if (!virt_irq)
+ irq = build_irq(fixup, iclr_reg, imap_reg);
+ if (!irq)
return -ENOMEM;
upa_writeq(EVENT_QUEUE_CONTROL_SET_EN,
pbm->pbm_regs + EVENT_QUEUE_CONTROL_SET(msiqid));
- return virt_irq;
+ return irq;
}
static const struct sparc64_msiq_ops pci_fire_msiq_ops = {
@@ -455,8 +453,7 @@ static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm,
return 0;
}
-static int __devinit fire_probe(struct platform_device *op,
- const struct of_device_id *match)
+static int __devinit fire_probe(struct platform_device *op)
{
struct device_node *dp = op->dev.of_node;
struct pci_pbm_info *pbm;
@@ -499,7 +496,7 @@ out_err:
return err;
}
-static struct of_device_id __initdata fire_match[] = {
+static const struct of_device_id fire_match[] = {
{
.name = "pci",
.compatible = "pciex108e,80f0",
@@ -507,7 +504,7 @@ static struct of_device_id __initdata fire_match[] = {
{},
};
-static struct of_platform_driver fire_driver = {
+static struct platform_driver fire_driver = {
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
@@ -518,7 +515,7 @@ static struct of_platform_driver fire_driver = {
static int __init fire_init(void)
{
- return of_register_platform_driver(&fire_driver);
+ return platform_driver_register(&fire_driver);
}
subsys_initcall(fire_init);
diff --git a/arch/sparc/kernel/pci_impl.h b/arch/sparc/kernel/pci_impl.h
index e20ed5f06e9c..6beb60df31d0 100644
--- a/arch/sparc/kernel/pci_impl.h
+++ b/arch/sparc/kernel/pci_impl.h
@@ -131,9 +131,9 @@ struct pci_pbm_info {
void *msi_queues;
unsigned long *msi_bitmap;
unsigned int *msi_irq_table;
- int (*setup_msi_irq)(unsigned int *virt_irq_p, struct pci_dev *pdev,
+ int (*setup_msi_irq)(unsigned int *irq_p, struct pci_dev *pdev,
struct msi_desc *entry);
- void (*teardown_msi_irq)(unsigned int virt_irq, struct pci_dev *pdev);
+ void (*teardown_msi_irq)(unsigned int irq, struct pci_dev *pdev);
const struct sparc64_msiq_ops *msi_ops;
#endif /* !(CONFIG_PCI_MSI) */
diff --git a/arch/sparc/kernel/pci_msi.c b/arch/sparc/kernel/pci_msi.c
index b210416ace7b..30982e9ab626 100644
--- a/arch/sparc/kernel/pci_msi.c
+++ b/arch/sparc/kernel/pci_msi.c
@@ -30,13 +30,10 @@ static irqreturn_t sparc64_msiq_interrupt(int irq, void *cookie)
err = ops->dequeue_msi(pbm, msiqid, &head, &msi);
if (likely(err > 0)) {
- struct irq_desc *desc;
- unsigned int virt_irq;
+ unsigned int irq;
- virt_irq = pbm->msi_irq_table[msi - pbm->msi_first];
- desc = irq_desc + virt_irq;
-
- desc->handle_irq(virt_irq, desc);
+ irq = pbm->msi_irq_table[msi - pbm->msi_first];
+ generic_handle_irq(irq);
}
if (unlikely(err < 0))
@@ -121,7 +118,7 @@ static struct irq_chip msi_irq = {
/* XXX affinity XXX */
};
-static int sparc64_setup_msi_irq(unsigned int *virt_irq_p,
+static int sparc64_setup_msi_irq(unsigned int *irq_p,
struct pci_dev *pdev,
struct msi_desc *entry)
{
@@ -131,17 +128,17 @@ static int sparc64_setup_msi_irq(unsigned int *virt_irq_p,
int msi, err;
u32 msiqid;
- *virt_irq_p = virt_irq_alloc(0, 0);
+ *irq_p = irq_alloc(0, 0);
err = -ENOMEM;
- if (!*virt_irq_p)
+ if (!*irq_p)
goto out_err;
- set_irq_chip_and_handler_name(*virt_irq_p, &msi_irq,
- handle_simple_irq, "MSI");
+ irq_set_chip_and_handler_name(*irq_p, &msi_irq, handle_simple_irq,
+ "MSI");
err = alloc_msi(pbm);
if (unlikely(err < 0))
- goto out_virt_irq_free;
+ goto out_irq_free;
msi = err;
@@ -152,7 +149,7 @@ static int sparc64_setup_msi_irq(unsigned int *virt_irq_p,
if (err)
goto out_msi_free;
- pbm->msi_irq_table[msi - pbm->msi_first] = *virt_irq_p;
+ pbm->msi_irq_table[msi - pbm->msi_first] = *irq_p;
if (entry->msi_attrib.is_64) {
msg.address_hi = pbm->msi64_start >> 32;
@@ -163,24 +160,24 @@ static int sparc64_setup_msi_irq(unsigned int *virt_irq_p,
}
msg.data = msi;
- set_irq_msi(*virt_irq_p, entry);
- write_msi_msg(*virt_irq_p, &msg);
+ irq_set_msi_desc(*irq_p, entry);
+ write_msi_msg(*irq_p, &msg);
return 0;
out_msi_free:
free_msi(pbm, msi);
-out_virt_irq_free:
- set_irq_chip(*virt_irq_p, NULL);
- virt_irq_free(*virt_irq_p);
- *virt_irq_p = 0;
+out_irq_free:
+ irq_set_chip(*irq_p, NULL);
+ irq_free(*irq_p);
+ *irq_p = 0;
out_err:
return err;
}
-static void sparc64_teardown_msi_irq(unsigned int virt_irq,
+static void sparc64_teardown_msi_irq(unsigned int irq,
struct pci_dev *pdev)
{
struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller;
@@ -189,12 +186,12 @@ static void sparc64_teardown_msi_irq(unsigned int virt_irq,
int i, err;
for (i = 0; i < pbm->msi_num; i++) {
- if (pbm->msi_irq_table[i] == virt_irq)
+ if (pbm->msi_irq_table[i] == irq)
break;
}
if (i >= pbm->msi_num) {
printk(KERN_ERR "%s: teardown: No MSI for irq %u\n",
- pbm->name, virt_irq);
+ pbm->name, irq);
return;
}
@@ -205,14 +202,14 @@ static void sparc64_teardown_msi_irq(unsigned int virt_irq,
if (err) {
printk(KERN_ERR "%s: teardown: ops->teardown() on MSI %u, "
"irq %u, gives error %d\n",
- pbm->name, msi_num, virt_irq, err);
+ pbm->name, msi_num, irq, err);
return;
}
free_msi(pbm, msi_num);
- set_irq_chip(virt_irq, NULL);
- virt_irq_free(virt_irq);
+ irq_set_chip(irq, NULL);
+ irq_free(irq);
}
static int msi_bitmap_alloc(struct pci_pbm_info *pbm)
diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c
index 22eab7cf3b11..86ae08d9b6ee 100644
--- a/arch/sparc/kernel/pci_psycho.c
+++ b/arch/sparc/kernel/pci_psycho.c
@@ -503,8 +503,7 @@ static struct pci_pbm_info * __devinit psycho_find_sibling(u32 upa_portid)
#define PSYCHO_CONFIGSPACE 0x001000000UL
-static int __devinit psycho_probe(struct platform_device *op,
- const struct of_device_id *match)
+static int __devinit psycho_probe(struct platform_device *op)
{
const struct linux_prom64_registers *pr_regs;
struct device_node *dp = op->dev.of_node;
@@ -593,7 +592,7 @@ out_err:
return err;
}
-static struct of_device_id __initdata psycho_match[] = {
+static const struct of_device_id psycho_match[] = {
{
.name = "pci",
.compatible = "pci108e,8000",
@@ -601,7 +600,7 @@ static struct of_device_id __initdata psycho_match[] = {
{},
};
-static struct of_platform_driver psycho_driver = {
+static struct platform_driver psycho_driver = {
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
@@ -612,7 +611,7 @@ static struct of_platform_driver psycho_driver = {
static int __init psycho_init(void)
{
- return of_register_platform_driver(&psycho_driver);
+ return platform_driver_register(&psycho_driver);
}
subsys_initcall(psycho_init);
diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c
index 5c3f5ec4cabc..948068a083fc 100644
--- a/arch/sparc/kernel/pci_sabre.c
+++ b/arch/sparc/kernel/pci_sabre.c
@@ -452,8 +452,7 @@ static void __devinit sabre_pbm_init(struct pci_pbm_info *pbm,
sabre_scan_bus(pbm, &op->dev);
}
-static int __devinit sabre_probe(struct platform_device *op,
- const struct of_device_id *match)
+static int __devinit sabre_probe(struct platform_device *op)
{
const struct linux_prom64_registers *pr_regs;
struct device_node *dp = op->dev.of_node;
@@ -464,7 +463,7 @@ static int __devinit sabre_probe(struct platform_device *op,
const u32 *vdma;
u64 clear_irq;
- hummingbird_p = (match->data != NULL);
+ hummingbird_p = op->dev.of_match && (op->dev.of_match->data != NULL);
if (!hummingbird_p) {
struct device_node *cpu_dp;
@@ -582,7 +581,7 @@ out_err:
return err;
}
-static struct of_device_id __initdata sabre_match[] = {
+static const struct of_device_id sabre_match[] = {
{
.name = "pci",
.compatible = "pci108e,a001",
@@ -595,7 +594,7 @@ static struct of_device_id __initdata sabre_match[] = {
{},
};
-static struct of_platform_driver sabre_driver = {
+static struct platform_driver sabre_driver = {
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
@@ -606,7 +605,7 @@ static struct of_platform_driver sabre_driver = {
static int __init sabre_init(void)
{
- return of_register_platform_driver(&sabre_driver);
+ return platform_driver_register(&sabre_driver);
}
subsys_initcall(sabre_init);
diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c
index 445a47a2fb3d..fecfcb2063c8 100644
--- a/arch/sparc/kernel/pci_schizo.c
+++ b/arch/sparc/kernel/pci_schizo.c
@@ -1313,7 +1313,7 @@ static int __devinit schizo_pbm_init(struct pci_pbm_info *pbm,
const struct linux_prom64_registers *regs;
struct device_node *dp = op->dev.of_node;
const char *chipset_name;
- int is_pbm_a, err;
+ int err;
switch (chip_type) {
case PBM_CHIP_TYPE_TOMATILLO:
@@ -1343,8 +1343,6 @@ static int __devinit schizo_pbm_init(struct pci_pbm_info *pbm,
*/
regs = of_get_property(dp, "reg", NULL);
- is_pbm_a = ((regs[0].phys_addr & 0x00700000) == 0x00600000);
-
pbm->next = pci_pbm_root;
pci_pbm_root = pbm;
@@ -1460,10 +1458,11 @@ out_err:
return err;
}
-static int __devinit schizo_probe(struct platform_device *op,
- const struct of_device_id *match)
+static int __devinit schizo_probe(struct platform_device *op)
{
- return __schizo_init(op, (unsigned long) match->data);
+ if (!op->dev.of_match)
+ return -EINVAL;
+ return __schizo_init(op, (unsigned long) op->dev.of_match->data);
}
/* The ordering of this table is very important. Some Tomatillo
@@ -1471,7 +1470,7 @@ static int __devinit schizo_probe(struct platform_device *op,
* and pci108e,8001. So list the chips in reverse chronological
* order.
*/
-static struct of_device_id __initdata schizo_match[] = {
+static const struct of_device_id schizo_match[] = {
{
.name = "pci",
.compatible = "pci108e,a801",
@@ -1490,7 +1489,7 @@ static struct of_device_id __initdata schizo_match[] = {
{},
};
-static struct of_platform_driver schizo_driver = {
+static struct platform_driver schizo_driver = {
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
@@ -1501,7 +1500,7 @@ static struct of_platform_driver schizo_driver = {
static int __init schizo_init(void)
{
- return of_register_platform_driver(&schizo_driver);
+ return platform_driver_register(&schizo_driver);
}
subsys_initcall(schizo_init);
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index 743344aa6d8a..b01a06e9ae4e 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -580,7 +580,7 @@ static int __devinit pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
{
static const u32 vdma_default[] = { 0x80000000, 0x80000000 };
struct iommu *iommu = pbm->iommu;
- unsigned long num_tsb_entries, sz, tsbsize;
+ unsigned long num_tsb_entries, sz;
u32 dma_mask, dma_offset;
const u32 *vdma;
@@ -596,7 +596,6 @@ static int __devinit pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
dma_mask = (roundup_pow_of_two(vdma[1]) - 1UL);
num_tsb_entries = vdma[1] / IO_PAGE_SIZE;
- tsbsize = num_tsb_entries * sizeof(iopte_t);
dma_offset = vdma[0];
@@ -844,9 +843,9 @@ static int pci_sun4v_msiq_build_irq(struct pci_pbm_info *pbm,
unsigned long msiqid,
unsigned long devino)
{
- unsigned int virt_irq = sun4v_build_irq(pbm->devhandle, devino);
+ unsigned int irq = sun4v_build_irq(pbm->devhandle, devino);
- if (!virt_irq)
+ if (!irq)
return -ENOMEM;
if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
@@ -854,7 +853,7 @@ static int pci_sun4v_msiq_build_irq(struct pci_pbm_info *pbm,
if (pci_sun4v_msiq_setvalid(pbm->devhandle, msiqid, HV_MSIQ_VALID))
return -EINVAL;
- return virt_irq;
+ return irq;
}
static const struct sparc64_msiq_ops pci_sun4v_msiq_ops = {
@@ -918,8 +917,7 @@ static int __devinit pci_sun4v_pbm_init(struct pci_pbm_info *pbm,
return 0;
}
-static int __devinit pci_sun4v_probe(struct platform_device *op,
- const struct of_device_id *match)
+static int __devinit pci_sun4v_probe(struct platform_device *op)
{
const struct linux_prom64_registers *regs;
static int hvapi_negotiated = 0;
@@ -1000,7 +998,7 @@ out_err:
return err;
}
-static struct of_device_id __initdata pci_sun4v_match[] = {
+static const struct of_device_id pci_sun4v_match[] = {
{
.name = "pci",
.compatible = "SUNW,sun4v-pci",
@@ -1008,7 +1006,7 @@ static struct of_device_id __initdata pci_sun4v_match[] = {
{},
};
-static struct of_platform_driver pci_sun4v_driver = {
+static struct platform_driver pci_sun4v_driver = {
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
@@ -1019,7 +1017,7 @@ static struct of_platform_driver pci_sun4v_driver = {
static int __init pci_sun4v_init(void)
{
- return of_register_platform_driver(&pci_sun4v_driver);
+ return platform_driver_register(&pci_sun4v_driver);
}
subsys_initcall(pci_sun4v_init);
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index aeaa09a3c655..2cdc131b50ac 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -700,10 +700,8 @@ static void pcic_clear_clock_irq(void)
static irqreturn_t pcic_timer_handler (int irq, void *h)
{
- write_seqlock(&xtime_lock); /* Dummy, to show that we remember */
pcic_clear_clock_irq();
- do_timer(1);
- write_sequnlock(&xtime_lock);
+ xtime_update(1);
#ifndef CONFIG_SMP
update_process_times(user_mode(get_irq_regs()));
#endif
diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c
index 7c2ced612b8f..8ac23e660080 100644
--- a/arch/sparc/kernel/pcr.c
+++ b/arch/sparc/kernel/pcr.c
@@ -81,7 +81,7 @@ static void n2_pcr_write(u64 val)
unsigned long ret;
ret = sun4v_niagara2_setperf(HV_N2_PERF_SPARC_CTL, val);
- if (val != HV_EOK)
+ if (ret != HV_EOK)
write_pcr(val);
}
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 760578687e7c..ee8426ede7c7 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1027,7 +1027,7 @@ static int sparc_pmu_add(struct perf_event *event, int ef_flags)
/*
* If group events scheduling transaction was started,
- * skip the schedulability test here, it will be peformed
+ * skip the schedulability test here, it will be performed
* at commit time(->commit_txn) as a whole
*/
if (cpuc->group_flag & PERF_EVENT_TXN)
diff --git a/arch/sparc/kernel/pmc.c b/arch/sparc/kernel/pmc.c
index 94536a85f161..93d7b4465f8d 100644
--- a/arch/sparc/kernel/pmc.c
+++ b/arch/sparc/kernel/pmc.c
@@ -51,8 +51,7 @@ static void pmc_swift_idle(void)
#endif
}
-static int __devinit pmc_probe(struct platform_device *op,
- const struct of_device_id *match)
+static int __devinit pmc_probe(struct platform_device *op)
{
regs = of_ioremap(&op->resource[0], 0,
resource_size(&op->resource[0]), PMC_OBPNAME);
@@ -78,7 +77,7 @@ static struct of_device_id __initdata pmc_match[] = {
};
MODULE_DEVICE_TABLE(of, pmc_match);
-static struct of_platform_driver pmc_driver = {
+static struct platform_driver pmc_driver = {
.driver = {
.name = "pmc",
.owner = THIS_MODULE,
@@ -89,7 +88,7 @@ static struct of_platform_driver pmc_driver = {
static int __init pmc_init(void)
{
- return of_register_platform_driver(&pmc_driver);
+ return platform_driver_register(&pmc_driver);
}
/* This driver is not critical to the boot process
diff --git a/arch/sparc/kernel/power.c b/arch/sparc/kernel/power.c
index 2c59f4d387dd..cb4c0f57c024 100644
--- a/arch/sparc/kernel/power.c
+++ b/arch/sparc/kernel/power.c
@@ -33,7 +33,7 @@ static int __devinit has_button_interrupt(unsigned int irq, struct device_node *
return 1;
}
-static int __devinit power_probe(struct platform_device *op, const struct of_device_id *match)
+static int __devinit power_probe(struct platform_device *op)
{
struct resource *res = &op->resource[0];
unsigned int irq = op->archdata.irqs[0];
@@ -52,14 +52,14 @@ static int __devinit power_probe(struct platform_device *op, const struct of_dev
return 0;
}
-static struct of_device_id __initdata power_match[] = {
+static const struct of_device_id power_match[] = {
{
.name = "power",
},
{},
};
-static struct of_platform_driver power_driver = {
+static struct platform_driver power_driver = {
.probe = power_probe,
.driver = {
.name = "power",
@@ -70,7 +70,7 @@ static struct of_platform_driver power_driver = {
static int __init power_init(void)
{
- return of_register_platform_driver(&power_driver);
+ return platform_driver_register(&power_driver);
}
device_initcall(power_init);
diff --git a/arch/sparc/kernel/prom_irqtrans.c b/arch/sparc/kernel/prom_irqtrans.c
index ce651147fabc..570b98f6e897 100644
--- a/arch/sparc/kernel/prom_irqtrans.c
+++ b/arch/sparc/kernel/prom_irqtrans.c
@@ -227,7 +227,7 @@ static unsigned int sabre_irq_build(struct device_node *dp,
unsigned long imap, iclr;
unsigned long imap_off, iclr_off;
int inofixup = 0;
- int virt_irq;
+ int irq;
ino &= 0x3f;
if (ino < SABRE_ONBOARD_IRQ_BASE) {
@@ -247,7 +247,7 @@ static unsigned int sabre_irq_build(struct device_node *dp,
if ((ino & 0x20) == 0)
inofixup = ino & 0x03;
- virt_irq = build_irq(inofixup, iclr, imap);
+ irq = build_irq(inofixup, iclr, imap);
/* If the parent device is a PCI<->PCI bridge other than
* APB, we have to install a pre-handler to ensure that
@@ -256,13 +256,13 @@ static unsigned int sabre_irq_build(struct device_node *dp,
*/
regs = of_get_property(dp, "reg", NULL);
if (regs && sabre_device_needs_wsync(dp)) {
- irq_install_pre_handler(virt_irq,
+ irq_install_pre_handler(irq,
sabre_wsync_handler,
(void *) (long) regs->phys_hi,
(void *) irq_data);
}
- return virt_irq;
+ return irq;
}
static void __init sabre_irq_trans_init(struct device_node *dp)
@@ -382,7 +382,7 @@ static unsigned int schizo_irq_build(struct device_node *dp,
unsigned long pbm_regs = irq_data->pbm_regs;
unsigned long imap, iclr;
int ign_fixup;
- int virt_irq;
+ int irq;
int is_tomatillo;
ino &= 0x3f;
@@ -409,17 +409,17 @@ static unsigned int schizo_irq_build(struct device_node *dp,
ign_fixup = (1 << 6);
}
- virt_irq = build_irq(ign_fixup, iclr, imap);
+ irq = build_irq(ign_fixup, iclr, imap);
if (is_tomatillo) {
- irq_install_pre_handler(virt_irq,
+ irq_install_pre_handler(irq,
tomatillo_wsync_handler,
((irq_data->chip_version <= 4) ?
(void *) 1 : (void *) 0),
(void *) irq_data->sync_reg);
}
- return virt_irq;
+ return irq;
}
static void __init __schizo_irq_trans_init(struct device_node *dp,
diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c
index 9ccc812bc09e..96ee50a80661 100644
--- a/arch/sparc/kernel/ptrace_64.c
+++ b/arch/sparc/kernel/ptrace_64.c
@@ -1086,6 +1086,7 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs)
asmlinkage void syscall_trace_leave(struct pt_regs *regs)
{
+#ifdef CONFIG_AUDITSYSCALL
if (unlikely(current->audit_context)) {
unsigned long tstate = regs->tstate;
int result = AUDITSC_SUCCESS;
@@ -1095,7 +1096,7 @@ asmlinkage void syscall_trace_leave(struct pt_regs *regs)
audit_syscall_exit(result, regs->u_regs[UREG_I0]);
}
-
+#endif
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_exit(regs, regs->u_regs[UREG_G1]);
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index 648f2161b851..7b8b76c9557f 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -184,7 +184,6 @@ static void __init boot_flags_init(char *commands)
*/
extern void sun4c_probe_vac(void);
-extern char cputypval;
extern unsigned short root_flags;
extern unsigned short root_dev;
@@ -218,21 +217,21 @@ void __init setup_arch(char **cmdline_p)
/* Set sparc_cpu_model */
sparc_cpu_model = sun_unknown;
- if (!strcmp(&cputypval,"sun4 "))
+ if (!strcmp(&cputypval[0], "sun4 "))
sparc_cpu_model = sun4;
- if (!strcmp(&cputypval,"sun4c"))
+ if (!strcmp(&cputypval[0], "sun4c"))
sparc_cpu_model = sun4c;
- if (!strcmp(&cputypval,"sun4m"))
+ if (!strcmp(&cputypval[0], "sun4m"))
sparc_cpu_model = sun4m;
- if (!strcmp(&cputypval,"sun4s"))
+ if (!strcmp(&cputypval[0], "sun4s"))
sparc_cpu_model = sun4m; /* CP-1200 with PROM 2.30 -E */
- if (!strcmp(&cputypval,"sun4d"))
+ if (!strcmp(&cputypval[0], "sun4d"))
sparc_cpu_model = sun4d;
- if (!strcmp(&cputypval,"sun4e"))
+ if (!strcmp(&cputypval[0], "sun4e"))
sparc_cpu_model = sun4e;
- if (!strcmp(&cputypval,"sun4u"))
+ if (!strcmp(&cputypval[0], "sun4u"))
sparc_cpu_model = sun4u;
- if (!strncmp(&cputypval, "leon" , 4))
+ if (!strncmp(&cputypval[0], "leon" , 4))
sparc_cpu_model = sparc_leon;
printk("ARCH: ");
@@ -335,7 +334,7 @@ static int show_cpuinfo(struct seq_file *m, void *__unused)
prom_rev,
romvec->pv_printrev >> 16,
romvec->pv_printrev & 0xffff,
- &cputypval,
+ &cputypval[0],
ncpus_probed,
num_online_cpus()
#ifndef CONFIG_SMP
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 555a76d1f4a1..3e94a8c23238 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -189,7 +189,7 @@ static inline long get_delta (long *rt, long *master)
void smp_synchronize_tick_client(void)
{
long i, delta, adj, adjust_latency = 0, done = 0;
- unsigned long flags, rt, master_time_stamp, bound;
+ unsigned long flags, rt, master_time_stamp;
#if DEBUG_TICK_SYNC
struct {
long rt; /* roundtrip time */
@@ -208,10 +208,8 @@ void smp_synchronize_tick_client(void)
{
for (i = 0; i < NUM_ROUNDS; i++) {
delta = get_delta(&rt, &master_time_stamp);
- if (delta == 0) {
+ if (delta == 0)
done = 1; /* let's lock on to this... */
- bound = rt;
- }
if (!done) {
if (i > 0) {
@@ -933,13 +931,12 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu)
void flush_dcache_page_all(struct mm_struct *mm, struct page *page)
{
void *pg_addr;
- int this_cpu;
u64 data0;
if (tlb_type == hypervisor)
return;
- this_cpu = get_cpu();
+ preempt_disable();
#ifdef CONFIG_DEBUG_DCFLUSH
atomic_inc(&dcpage_flushes);
@@ -964,7 +961,7 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page)
}
__local_flush_dcache_page(page);
- put_cpu();
+ preempt_enable();
}
void __irq_entry smp_new_mmu_context_version_client(int irq, struct pt_regs *regs)
diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c
index 892fb884910a..90eea38ad66f 100644
--- a/arch/sparc/kernel/sun4c_irq.c
+++ b/arch/sparc/kernel/sun4c_irq.c
@@ -1,5 +1,5 @@
-/* sun4c_irq.c
- * arch/sparc/kernel/sun4c_irq.c:
+/*
+ * sun4c irq support
*
* djhr: Hacked out of irq.c into a CPU dependent version.
*
@@ -9,31 +9,41 @@
* Copyright (C) 1996 Dave Redman (djhr@tadpole.co.uk)
*/
-#include <linux/errno.h>
-#include <linux/linkage.h>
-#include <linux/kernel_stat.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/ptrace.h>
-#include <linux/interrupt.h>
#include <linux/init.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
-#include "irq.h"
-#include <asm/ptrace.h>
-#include <asm/processor.h>
-#include <asm/system.h>
-#include <asm/psr.h>
-#include <asm/vaddrs.h>
-#include <asm/timer.h>
-#include <asm/openprom.h>
#include <asm/oplib.h>
-#include <asm/traps.h>
+#include <asm/timer.h>
#include <asm/irq.h>
#include <asm/io.h>
-#include <asm/idprom.h>
-#include <asm/machines.h>
+
+#include "irq.h"
+
+/* Sun4c interrupts are typically laid out as follows:
+ *
+ * 1 - Software interrupt, SBUS level 1
+ * 2 - SBUS level 2
+ * 3 - ESP SCSI, SBUS level 3
+ * 4 - Software interrupt
+ * 5 - Lance ethernet, SBUS level 4
+ * 6 - Software interrupt
+ * 7 - Graphics card, SBUS level 5
+ * 8 - SBUS level 6
+ * 9 - SBUS level 7
+ * 10 - Counter timer
+ * 11 - Floppy
+ * 12 - Zilog uart
+ * 13 - CS4231 audio
+ * 14 - Profiling timer
+ * 15 - NMI
+ *
+ * The interrupt enable bits in the interrupt mask register are
+ * really only used to enable/disable the timer interrupts, and
+ * for signalling software interrupts. There is also a master
+ * interrupt enable bit in this register.
+ *
+ * Interrupts are enabled by setting the SUN4C_INT_* bits, they
+ * are disabled by clearing those bits.
+ */
/*
* Bit field defines for the interrupt registers on various
@@ -49,26 +59,21 @@
#define SUN4C_INT_E4 0x04 /* Enable level 4 IRQ. */
#define SUN4C_INT_E1 0x02 /* Enable level 1 IRQ. */
-/* Pointer to the interrupt enable byte
- *
- * Dave Redman (djhr@tadpole.co.uk)
- * What you may not be aware of is that entry.S requires this variable.
- *
- * --- linux_trap_nmi_sun4c --
- *
- * so don't go making it static, like I tried. sigh.
+/*
+ * Pointer to the interrupt enable byte
+ * Used by entry.S
*/
-unsigned char __iomem *interrupt_enable = NULL;
+unsigned char __iomem *interrupt_enable;
static void sun4c_disable_irq(unsigned int irq_nr)
{
unsigned long flags;
unsigned char current_mask, new_mask;
-
+
local_irq_save(flags);
irq_nr &= (NR_IRQS - 1);
current_mask = sbus_readb(interrupt_enable);
- switch(irq_nr) {
+ switch (irq_nr) {
case 1:
new_mask = ((current_mask) & (~(SUN4C_INT_E1)));
break;
@@ -93,11 +98,11 @@ static void sun4c_enable_irq(unsigned int irq_nr)
{
unsigned long flags;
unsigned char current_mask, new_mask;
-
+
local_irq_save(flags);
irq_nr &= (NR_IRQS - 1);
current_mask = sbus_readb(interrupt_enable);
- switch(irq_nr) {
+ switch (irq_nr) {
case 1:
new_mask = ((current_mask) | SUN4C_INT_E1);
break;
@@ -180,12 +185,14 @@ static void __init sun4c_init_timers(irq_handler_t counter_fn)
prom_printf("sun4c_init_timers: request_irq() fails with %d\n", err);
prom_halt();
}
-
+
sun4c_disable_irq(irq[1].pri);
}
#ifdef CONFIG_SMP
-static void sun4c_nop(void) {}
+static void sun4c_nop(void)
+{
+}
#endif
void __init sun4c_init_IRQ(void)
@@ -214,7 +221,9 @@ void __init sun4c_init_IRQ(void)
BTFIXUPSET_CALL(disable_pil_irq, sun4c_disable_irq, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(clear_clock_irq, sun4c_clear_clock_irq, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(load_profile_irq, sun4c_load_profile_irq, BTFIXUPCALL_NOP);
- sparc_init_timers = sun4c_init_timers;
+
+ sparc_irq_config.init_timers = sun4c_init_timers;
+
#ifdef CONFIG_SMP
BTFIXUPSET_CALL(set_cpu_int, sun4c_nop, BTFIXUPCALL_NOP);
BTFIXUPSET_CALL(clear_cpu_int, sun4c_nop, BTFIXUPCALL_NOP);
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index e11b4612dabb..77b4a8992710 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -1,50 +1,42 @@
/*
- * arch/sparc/kernel/sun4d_irq.c:
- * SS1000/SC2000 interrupt handling.
+ * SS1000/SC2000 interrupt handling.
*
* Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
* Heavily based on arch/sparc/kernel/irq.c.
*/
-#include <linux/errno.h>
-#include <linux/linkage.h>
#include <linux/kernel_stat.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/ptrace.h>
-#include <linux/interrupt.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/init.h>
-#include <linux/smp.h>
-#include <linux/spinlock.h>
#include <linux/seq_file.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
-
-#include <asm/ptrace.h>
-#include <asm/processor.h>
-#include <asm/system.h>
-#include <asm/psr.h>
-#include <asm/smp.h>
-#include <asm/vaddrs.h>
+
#include <asm/timer.h>
-#include <asm/openprom.h>
-#include <asm/oplib.h>
#include <asm/traps.h>
#include <asm/irq.h>
#include <asm/io.h>
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
#include <asm/sbi.h>
#include <asm/cacheflush.h>
-#include <asm/irq_regs.h>
#include "kernel.h"
#include "irq.h"
-/* If you trust current SCSI layer to handle different SCSI IRQs, enable this. I don't trust it... -jj */
-/* #define DISTRIBUTE_IRQS */
+/* Sun4d interrupts fall roughly into two categories. SBUS and
+ * cpu local. CPU local interrupts cover the timer interrupts
+ * and whatnot, and we encode those as normal PILs between
+ * 0 and 15.
+ *
+ * SBUS interrupts are encoded integers including the board number
+ * (plus one), the SBUS level, and the SBUS slot number. Sun4D
+ * IRQ dispatch is done by:
+ *
+ * 1) Reading the BW local interrupt table in order to get the bus
+ * interrupt mask.
+ *
+ * This table is indexed by SBUS interrupt level which can be
+ * derived from the PIL we got interrupted on.
+ *
+ * 2) For each bus showing interrupt pending from #1, read the
+ * SBI interrupt state register. This will indicate which slots
+ * have interrupts pending for that SBUS interrupt level.
+ */
struct sun4d_timer_regs {
u32 l10_timer_limit;
@@ -59,11 +51,9 @@ static struct sun4d_timer_regs __iomem *sun4d_timers;
#define TIMER_IRQ 10
#define MAX_STATIC_ALLOC 4
-extern int static_irq_count;
static unsigned char sbus_tid[32];
static struct irqaction *irq_action[NR_IRQS];
-extern spinlock_t irq_action_lock;
static struct sbus_action {
struct irqaction *action;
@@ -71,11 +61,33 @@ static struct sbus_action {
} *sbus_actions;
static int pil_to_sbus[] = {
- 0, 0, 1, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 0,
+ 0,
+ 0,
+ 1,
+ 2,
+ 0,
+ 3,
+ 0,
+ 4,
+ 0,
+ 5,
+ 0,
+ 6,
+ 0,
+ 7,
+ 0,
+ 0,
};
static int sbus_to_pil[] = {
- 0, 2, 3, 5, 7, 9, 11, 13,
+ 0,
+ 2,
+ 3,
+ 5,
+ 7,
+ 9,
+ 11,
+ 13,
};
static int nsbi;
@@ -86,7 +98,7 @@ DEFINE_SPINLOCK(sun4d_imsk_lock);
int show_sun4d_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v, j = 0, k = 0, sbusl;
- struct irqaction * action;
+ struct irqaction *action;
unsigned long flags;
#ifdef CONFIG_SMP
int x;
@@ -96,13 +108,14 @@ int show_sun4d_interrupts(struct seq_file *p, void *v)
if (i < NR_IRQS) {
sbusl = pil_to_sbus[i];
if (!sbusl) {
- action = *(i + irq_action);
- if (!action)
- goto out_unlock;
+ action = *(i + irq_action);
+ if (!action)
+ goto out_unlock;
} else {
for (j = 0; j < nsbi; j++) {
for (k = 0; k < 4; k++)
- if ((action = sbus_actions [(j << 5) + (sbusl << 2) + k].action))
+ action = sbus_actions[(j << 5) + (sbusl << 2) + k].action;
+ if (action)
goto found_it;
}
goto out_unlock;
@@ -125,15 +138,17 @@ found_it: seq_printf(p, "%3d: ", i);
(action->flags & IRQF_DISABLED) ? " +" : "",
action->name);
}
- if (!sbusl) break;
+ if (!sbusl)
+ break;
k++;
- if (k < 4)
- action = sbus_actions [(j << 5) + (sbusl << 2) + k].action;
- else {
+ if (k < 4) {
+ action = sbus_actions[(j << 5) + (sbusl << 2) + k].action;
+ } else {
j++;
- if (j == nsbi) break;
+ if (j == nsbi)
+ break;
k = 0;
- action = sbus_actions [(j << 5) + (sbusl << 2)].action;
+ action = sbus_actions[(j << 5) + (sbusl << 2)].action;
}
}
seq_putc(p, '\n');
@@ -147,7 +162,7 @@ void sun4d_free_irq(unsigned int irq, void *dev_id)
{
struct irqaction *action, **actionp;
struct irqaction *tmp = NULL;
- unsigned long flags;
+ unsigned long flags;
spin_lock_irqsave(&irq_action_lock, flags);
if (irq < 15)
@@ -156,7 +171,7 @@ void sun4d_free_irq(unsigned int irq, void *dev_id)
actionp = &(sbus_actions[irq - (1 << 5)].action);
action = *actionp;
if (!action) {
- printk("Trying to free free IRQ%d\n",irq);
+ printk(KERN_ERR "Trying to free free IRQ%d\n", irq);
goto out_unlock;
}
if (dev_id) {
@@ -166,23 +181,25 @@ void sun4d_free_irq(unsigned int irq, void *dev_id)
tmp = action;
}
if (!action) {
- printk("Trying to free free shared IRQ%d\n",irq);
+ printk(KERN_ERR "Trying to free free shared IRQ%d\n",
+ irq);
goto out_unlock;
}
} else if (action->flags & IRQF_SHARED) {
- printk("Trying to free shared IRQ%d with NULL device ID\n", irq);
+ printk(KERN_ERR "Trying to free shared IRQ%d with NULL device ID\n",
+ irq);
goto out_unlock;
}
- if (action->flags & SA_STATIC_ALLOC)
- {
- /* This interrupt is marked as specially allocated
+ if (action->flags & SA_STATIC_ALLOC) {
+ /*
+ * This interrupt is marked as specially allocated
* so it is a bad idea to free it.
*/
- printk("Attempt to free statically allocated IRQ%d (%s)\n",
+ printk(KERN_ERR "Attempt to free statically allocated IRQ%d (%s)\n",
irq, action->name);
goto out_unlock;
}
-
+
if (tmp)
tmp->next = action->next;
else
@@ -203,30 +220,28 @@ out_unlock:
spin_unlock_irqrestore(&irq_action_lock, flags);
}
-extern void unexpected_irq(int, void *, struct pt_regs *);
-
-void sun4d_handler_irq(int irq, struct pt_regs * regs)
+void sun4d_handler_irq(int pil, struct pt_regs *regs)
{
struct pt_regs *old_regs;
- struct irqaction * action;
+ struct irqaction *action;
int cpu = smp_processor_id();
/* SBUS IRQ level (1 - 7) */
- int sbusl = pil_to_sbus[irq];
-
+ int sbusl = pil_to_sbus[pil];
+
/* FIXME: Is this necessary?? */
cc_get_ipen();
-
- cc_set_iclr(1 << irq);
-
+
+ cc_set_iclr(1 << pil);
+
old_regs = set_irq_regs(regs);
irq_enter();
- kstat_cpu(cpu).irqs[irq]++;
+ kstat_cpu(cpu).irqs[pil]++;
if (!sbusl) {
- action = *(irq + irq_action);
+ action = *(pil + irq_action);
if (!action)
- unexpected_irq(irq, NULL, regs);
+ unexpected_irq(pil, NULL, regs);
do {
- action->handler(irq, action->dev_id);
+ action->handler(pil, action->dev_id);
action = action->next;
} while (action);
} else {
@@ -235,9 +250,9 @@ void sun4d_handler_irq(int irq, struct pt_regs * regs)
struct sbus_action *actionp;
unsigned mask, slot;
int sbil = (sbusl << 2);
-
+
bw_clear_intr_mask(sbusl, bus_mask);
-
+
/* Loop for each pending SBI */
for (sbino = 0; bus_mask; sbino++, bus_mask >>= 1)
if (bus_mask & 1) {
@@ -249,11 +264,11 @@ void sun4d_handler_irq(int irq, struct pt_regs * regs)
if (mask & slot) {
mask &= ~slot;
action = actionp->action;
-
+
if (!action)
- unexpected_irq(irq, NULL, regs);
+ unexpected_irq(pil, NULL, regs);
do {
- action->handler(irq, action->dev_id);
+ action->handler(pil, action->dev_id);
action = action->next;
} while (action);
release_sbi(SBI2DEVID(sbino), slot);
@@ -266,13 +281,13 @@ void sun4d_handler_irq(int irq, struct pt_regs * regs)
int sun4d_request_irq(unsigned int irq,
irq_handler_t handler,
- unsigned long irqflags, const char * devname, void *dev_id)
+ unsigned long irqflags, const char *devname, void *dev_id)
{
struct irqaction *action, *tmp = NULL, **actionp;
unsigned long flags;
int ret;
-
- if(irq > 14 && irq < (1 << 5)) {
+
+ if (irq > 14 && irq < (1 << 5)) {
ret = -EINVAL;
goto out;
}
@@ -289,16 +304,18 @@ int sun4d_request_irq(unsigned int irq,
else
actionp = irq + irq_action;
action = *actionp;
-
+
if (action) {
if ((action->flags & IRQF_SHARED) && (irqflags & IRQF_SHARED)) {
- for (tmp = action; tmp->next; tmp = tmp->next);
+ for (tmp = action; tmp->next; tmp = tmp->next)
+ /* find last entry - tmp used below */;
} else {
ret = -EBUSY;
goto out_unlock;
}
if ((action->flags & IRQF_DISABLED) ^ (irqflags & IRQF_DISABLED)) {
- printk("Attempt to mix fast and slow interrupts on IRQ%d denied\n", irq);
+ printk(KERN_ERR "Attempt to mix fast and slow interrupts on IRQ%d denied\n",
+ irq);
ret = -EBUSY;
goto out_unlock;
}
@@ -312,14 +329,14 @@ int sun4d_request_irq(unsigned int irq,
if (static_irq_count < MAX_STATIC_ALLOC)
action = &static_irqaction[static_irq_count++];
else
- printk("Request for IRQ%d (%s) SA_STATIC_ALLOC failed using kmalloc\n", irq, devname);
+ printk(KERN_ERR "Request for IRQ%d (%s) SA_STATIC_ALLOC failed using kmalloc\n",
+ irq, devname);
}
-
+
if (action == NULL)
- action = kmalloc(sizeof(struct irqaction),
- GFP_ATOMIC);
-
- if (!action) {
+ action = kmalloc(sizeof(struct irqaction), GFP_ATOMIC);
+
+ if (!action) {
ret = -ENOMEM;
goto out_unlock;
}
@@ -334,7 +351,7 @@ int sun4d_request_irq(unsigned int irq,
tmp->next = action;
else
*actionp = action;
-
+
__enable_irq(irq);
ret = 0;
@@ -348,7 +365,7 @@ static void sun4d_disable_irq(unsigned int irq)
{
int tid = sbus_tid[(irq >> 5) - 1];
unsigned long flags;
-
+
if (irq < NR_IRQS)
return;
@@ -361,7 +378,7 @@ static void sun4d_enable_irq(unsigned int irq)
{
int tid = sbus_tid[(irq >> 5) - 1];
unsigned long flags;
-
+
if (irq < NR_IRQS)
return;
@@ -389,44 +406,6 @@ void __init sun4d_distribute_irqs(void)
{
struct device_node *dp;
-#ifdef DISTRIBUTE_IRQS
- cpumask_t sbus_serving_map;
-
- sbus_serving_map = cpu_present_map;
- for_each_node_by_name(dp, "sbi") {
- int board = of_getintprop_default(dp, "board#", 0);
-
- if ((board * 2) == boot_cpu_id && cpu_isset(board * 2 + 1, cpu_present_map))
- sbus_tid[board] = (board * 2 + 1);
- else if (cpu_isset(board * 2, cpu_present_map))
- sbus_tid[board] = (board * 2);
- else if (cpu_isset(board * 2 + 1, cpu_present_map))
- sbus_tid[board] = (board * 2 + 1);
- else
- sbus_tid[board] = 0xff;
- if (sbus_tid[board] != 0xff)
- cpu_clear(sbus_tid[board], sbus_serving_map);
- }
- for_each_node_by_name(dp, "sbi") {
- int board = of_getintprop_default(dp, "board#", 0);
- if (sbus_tid[board] == 0xff) {
- int i = 31;
-
- if (cpus_empty(sbus_serving_map))
- sbus_serving_map = cpu_present_map;
- while (cpu_isset(i, sbus_serving_map))
- i--;
- sbus_tid[board] = i;
- cpu_clear(i, sbus_serving_map);
- }
- }
- for_each_node_by_name(dp, "sbi") {
- int devid = of_getintprop_default(dp, "device-id", 0);
- int board = of_getintprop_default(dp, "board#", 0);
- printk("sbus%d IRQs directed to CPU%d\n", board, sbus_tid[board]);
- set_sbi_tid(devid, sbus_tid[board] << 3);
- }
-#else
int cpuid = cpu_logical_map(1);
if (cpuid == -1)
@@ -437,11 +416,10 @@ void __init sun4d_distribute_irqs(void)
sbus_tid[board] = cpuid;
set_sbi_tid(devid, cpuid << 3);
}
- printk("All sbus IRQs directed to CPU%d\n", cpuid);
-#endif
+ printk(KERN_ERR "All sbus IRQs directed to CPU%d\n", cpuid);
}
#endif
-
+
static void sun4d_clear_clock_irq(void)
{
sbus_readl(&sun4d_timers->l10_timer_limit);
@@ -462,14 +440,61 @@ static void __init sun4d_load_profile_irqs(void)
}
}
+unsigned int sun4d_build_device_irq(struct platform_device *op,
+ unsigned int real_irq)
+{
+ static int pil_to_sbus[] = {
+ 0, 0, 1, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 0,
+ };
+ struct device_node *dp = op->dev.of_node;
+ struct device_node *io_unit, *sbi = dp->parent;
+ const struct linux_prom_registers *regs;
+ int board, slot;
+ int sbusl;
+
+ while (sbi) {
+ if (!strcmp(sbi->name, "sbi"))
+ break;
+
+ sbi = sbi->parent;
+ }
+ if (!sbi)
+ goto err_out;
+
+ regs = of_get_property(dp, "reg", NULL);
+ if (!regs)
+ goto err_out;
+
+ slot = regs->which_io;
+
+ /*
+ * If SBI's parent is not io-unit or the io-unit lacks
+ * a "board#" property, something is very wrong.
+ */
+ if (!sbi->parent || strcmp(sbi->parent->name, "io-unit")) {
+ printk("%s: Error, parent is not io-unit.\n", sbi->full_name);
+ goto err_out;
+ }
+ io_unit = sbi->parent;
+ board = of_getintprop_default(io_unit, "board#", -1);
+ if (board == -1) {
+ printk("%s: Error, lacks board# property.\n", io_unit->full_name);
+ goto err_out;
+ }
+
+ sbusl = pil_to_sbus[real_irq];
+ if (sbusl)
+ return (((board + 1) << 5) + (sbusl << 2) + slot);
+
+err_out:
+ return real_irq;
+}
+
static void __init sun4d_fixup_trap_table(void)
{
#ifdef CONFIG_SMP
unsigned long flags;
- extern unsigned long lvl14_save[4];
struct tt_entry *trap_table = &sparc_ttable[SP_TRAP_IRQ1 + (14 - 1)];
- extern unsigned int real_irq_entry[], smp4d_ticker[];
- extern unsigned int patchme_maybe_smp_msg[];
/* Adjust so that we jump directly to smp4d_ticker */
lvl14_save[2] += smp4d_ticker - real_irq_entry;
@@ -531,7 +556,8 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn)
(IRQF_DISABLED | SA_STATIC_ALLOC),
"timer", NULL);
if (err) {
- prom_printf("sun4d_init_timers: request_irq() failed with %d\n", err);
+ prom_printf("sun4d_init_timers: request_irq() failed with %d\n",
+ err);
prom_halt();
}
sun4d_load_profile_irqs();
@@ -550,7 +576,7 @@ void __init sun4d_init_sbi_irq(void)
nsbi = 0;
for_each_node_by_name(dp, "sbi")
nsbi++;
- sbus_actions = kzalloc (nsbi * 8 * 4 * sizeof(struct sbus_action), GFP_ATOMIC);
+ sbus_actions = kzalloc(nsbi * 8 * 4 * sizeof(struct sbus_action), GFP_ATOMIC);
if (!sbus_actions) {
prom_printf("SUN4D: Cannot allocate sbus_actions, halting.\n");
prom_halt();
@@ -566,7 +592,8 @@ void __init sun4d_init_sbi_irq(void)
/* Get rid of pending irqs from PROM */
mask = acquire_sbi(devid, 0xffffffff);
if (mask) {
- printk ("Clearing pending IRQs %08x on SBI %d\n", mask, board);
+ printk(KERN_ERR "Clearing pending IRQs %08x on SBI %d\n",
+ mask, board);
release_sbi(devid, mask);
}
}
@@ -580,7 +607,10 @@ void __init sun4d_init_IRQ(void)
BTFIXUPSET_CALL(disable_irq, sun4d_disable_irq, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(clear_clock_irq, sun4d_clear_clock_irq, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(load_profile_irq, sun4d_load_profile_irq, BTFIXUPCALL_NORM);
- sparc_init_timers = sun4d_init_timers;
+
+ sparc_irq_config.init_timers = sun4d_init_timers;
+ sparc_irq_config.build_device_irq = sun4d_build_device_irq;
+
#ifdef CONFIG_SMP
BTFIXUPSET_CALL(set_cpu_int, sun4d_set_cpu_int, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(clear_cpu_int, sun4d_clear_ipi, BTFIXUPCALL_NOP);
diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c
index 482f2ab92692..475d50b96cd0 100644
--- a/arch/sparc/kernel/sun4d_smp.c
+++ b/arch/sparc/kernel/sun4d_smp.c
@@ -1,4 +1,4 @@
-/* sun4d_smp.c: Sparc SS1000/SC2000 SMP support.
+/* Sparc SS1000/SC2000 SMP support.
*
* Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*
@@ -6,59 +6,23 @@
* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
*/
-#include <asm/head.h>
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/threads.h>
-#include <linux/smp.h>
#include <linux/interrupt.h>
-#include <linux/kernel_stat.h>
-#include <linux/init.h>
-#include <linux/spinlock.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
#include <linux/profile.h>
#include <linux/delay.h>
#include <linux/cpu.h>
-#include <asm/ptrace.h>
-#include <asm/atomic.h>
-#include <asm/irq_regs.h>
-
-#include <asm/irq.h>
-#include <asm/page.h>
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <asm/oplib.h>
#include <asm/sbi.h>
+#include <asm/mmu.h>
#include <asm/tlbflush.h>
#include <asm/cacheflush.h>
-#include <asm/cpudata.h>
+#include "kernel.h"
#include "irq.h"
-#define IRQ_CROSS_CALL 15
-extern ctxd_t *srmmu_ctx_table_phys;
+#define IRQ_CROSS_CALL 15
-static volatile int smp_processors_ready = 0;
+static volatile int smp_processors_ready;
static int smp_highest_cpu;
-extern volatile unsigned long cpu_callin_map[NR_CPUS];
-extern cpuinfo_sparc cpu_data[NR_CPUS];
-extern unsigned char boot_cpu_id;
-extern volatile int smp_process_available;
-
-extern cpumask_t smp_commenced_mask;
-
-extern int __smp4d_processor_id(void);
-
-/* #define SMP_DEBUG */
-
-#ifdef SMP_DEBUG
-#define SMP_PRINTK(x) printk x
-#else
-#define SMP_PRINTK(x)
-#endif
static inline unsigned long sun4d_swap(volatile unsigned long *ptr, unsigned long val)
{
@@ -69,8 +33,6 @@ static inline unsigned long sun4d_swap(volatile unsigned long *ptr, unsigned lon
}
static void smp_setup_percpu_timer(void);
-extern void cpu_probe(void);
-extern void sun4d_distribute_irqs(void);
static unsigned char cpu_leds[32];
@@ -86,9 +48,8 @@ static inline void show_leds(int cpuid)
void __cpuinit smp4d_callin(void)
{
int cpuid = hard_smp4d_processor_id();
- extern spinlock_t sun4d_imsk_lock;
unsigned long flags;
-
+
/* Show we are alive */
cpu_leds[cpuid] = 0x6;
show_leds(cpuid);
@@ -118,15 +79,15 @@ void __cpuinit smp4d_callin(void)
sun4d_swap((unsigned long *)&cpu_callin_map[cpuid], 1);
local_flush_cache_all();
local_flush_tlb_all();
-
+
cpu_probe();
- while((unsigned long)current_set[cpuid] < PAGE_OFFSET)
+ while ((unsigned long)current_set[cpuid] < PAGE_OFFSET)
barrier();
-
- while(current_set[cpuid]->cpu != cpuid)
+
+ while (current_set[cpuid]->cpu != cpuid)
barrier();
-
+
/* Fix idle thread fields. */
__asm__ __volatile__("ld [%0], %%g6\n\t"
: : "r" (&current_set[cpuid])
@@ -134,16 +95,16 @@ void __cpuinit smp4d_callin(void)
cpu_leds[cpuid] = 0x9;
show_leds(cpuid);
-
+
/* Attach to the address space of init_task. */
atomic_inc(&init_mm.mm_count);
current->active_mm = &init_mm;
local_flush_cache_all();
local_flush_tlb_all();
-
+
local_irq_enable(); /* We don't allow PIL 14 yet */
-
+
while (!cpu_isset(cpuid, smp_commenced_mask))
barrier();
@@ -154,15 +115,9 @@ void __cpuinit smp4d_callin(void)
}
-extern void init_IRQ(void);
-extern void cpu_panic(void);
-
/*
* Cycle through the processors asking the PROM to start each one.
*/
-
-extern struct linux_prom_registers smp_penguin_ctable;
-
void __init smp4d_boot_cpus(void)
{
if (boot_cpu_id)
@@ -173,43 +128,42 @@ void __init smp4d_boot_cpus(void)
int __cpuinit smp4d_boot_one_cpu(int i)
{
- extern unsigned long sun4d_cpu_startup;
- unsigned long *entry = &sun4d_cpu_startup;
- struct task_struct *p;
- int timeout;
- int cpu_node;
+ unsigned long *entry = &sun4d_cpu_startup;
+ struct task_struct *p;
+ int timeout;
+ int cpu_node;
- cpu_find_by_instance(i, &cpu_node,NULL);
- /* Cook up an idler for this guy. */
- p = fork_idle(i);
- current_set[i] = task_thread_info(p);
+ cpu_find_by_instance(i, &cpu_node, NULL);
+ /* Cook up an idler for this guy. */
+ p = fork_idle(i);
+ current_set[i] = task_thread_info(p);
+
+ /*
+ * Initialize the contexts table
+ * Since the call to prom_startcpu() trashes the structure,
+ * we need to re-initialize it for each cpu
+ */
+ smp_penguin_ctable.which_io = 0;
+ smp_penguin_ctable.phys_addr = (unsigned int) srmmu_ctx_table_phys;
+ smp_penguin_ctable.reg_size = 0;
+
+ /* whirrr, whirrr, whirrrrrrrrr... */
+ printk(KERN_INFO "Starting CPU %d at %p\n", i, entry);
+ local_flush_cache_all();
+ prom_startcpu(cpu_node,
+ &smp_penguin_ctable, 0, (char *)entry);
+
+ printk(KERN_INFO "prom_startcpu returned :)\n");
+
+ /* wheee... it's going... */
+ for (timeout = 0; timeout < 10000; timeout++) {
+ if (cpu_callin_map[i])
+ break;
+ udelay(200);
+ }
- /*
- * Initialize the contexts table
- * Since the call to prom_startcpu() trashes the structure,
- * we need to re-initialize it for each cpu
- */
- smp_penguin_ctable.which_io = 0;
- smp_penguin_ctable.phys_addr = (unsigned int) srmmu_ctx_table_phys;
- smp_penguin_ctable.reg_size = 0;
-
- /* whirrr, whirrr, whirrrrrrrrr... */
- SMP_PRINTK(("Starting CPU %d at %p\n", i, entry));
- local_flush_cache_all();
- prom_startcpu(cpu_node,
- &smp_penguin_ctable, 0, (char *)entry);
-
- SMP_PRINTK(("prom_startcpu returned :)\n"));
-
- /* wheee... it's going... */
- for(timeout = 0; timeout < 10000; timeout++) {
- if(cpu_callin_map[i])
- break;
- udelay(200);
- }
-
if (!(cpu_callin_map[i])) {
- printk("Processor %d is stuck.\n", i);
+ printk(KERN_ERR "Processor %d is stuck.\n", i);
return -ENODEV;
}
@@ -255,14 +209,17 @@ static void smp4d_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1,
unsigned long arg2, unsigned long arg3,
unsigned long arg4)
{
- if(smp_processors_ready) {
+ if (smp_processors_ready) {
register int high = smp_highest_cpu;
unsigned long flags;
spin_lock_irqsave(&cross_call_lock, flags);
{
- /* If you make changes here, make sure gcc generates proper code... */
+ /*
+ * If you make changes here, make sure
+ * gcc generates proper code...
+ */
register smpfunc_t f asm("i0") = func;
register unsigned long a1 asm("i1") = arg1;
register unsigned long a2 asm("i2") = arg2;
@@ -284,7 +241,7 @@ static void smp4d_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1,
cpu_clear(smp_processor_id(), mask);
cpus_and(mask, cpu_online_map, mask);
- for(i = 0; i <= high; i++) {
+ for (i = 0; i <= high; i++) {
if (cpu_isset(i, mask)) {
ccall_info.processors_in[i] = 0;
ccall_info.processors_out[i] = 0;
@@ -300,17 +257,17 @@ static void smp4d_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1,
do {
if (!cpu_isset(i, mask))
continue;
- while(!ccall_info.processors_in[i])
+ while (!ccall_info.processors_in[i])
barrier();
- } while(++i <= high);
+ } while (++i <= high);
i = 0;
do {
if (!cpu_isset(i, mask))
continue;
- while(!ccall_info.processors_out[i])
+ while (!ccall_info.processors_out[i])
barrier();
- } while(++i <= high);
+ } while (++i <= high);
}
spin_unlock_irqrestore(&cross_call_lock, flags);
@@ -336,7 +293,7 @@ void smp4d_percpu_timer_interrupt(struct pt_regs *regs)
static char led_mask[] = { 0xe, 0xd, 0xb, 0x7, 0xb, 0xd };
old_regs = set_irq_regs(regs);
- bw_get_prof_limit(cpu);
+ bw_get_prof_limit(cpu);
bw_clear_intr_mask(0, 1); /* INTR_TABLE[0] & 1 is Profile IRQ */
cpu_tick[cpu]++;
@@ -349,7 +306,7 @@ void smp4d_percpu_timer_interrupt(struct pt_regs *regs)
profile_tick(CPU_PROFILING);
- if(!--prof_counter(cpu)) {
+ if (!--prof_counter(cpu)) {
int user = user_mode(regs);
irq_enter();
@@ -361,8 +318,6 @@ void smp4d_percpu_timer_interrupt(struct pt_regs *regs)
set_irq_regs(old_regs);
}
-extern unsigned int lvl14_resolution;
-
static void __cpuinit smp_setup_percpu_timer(void)
{
int cpu = hard_smp4d_processor_id();
@@ -374,16 +329,16 @@ static void __cpuinit smp_setup_percpu_timer(void)
void __init smp4d_blackbox_id(unsigned *addr)
{
int rd = *addr & 0x3e000000;
-
+
addr[0] = 0xc0800800 | rd; /* lda [%g0] ASI_M_VIKING_TMP1, reg */
- addr[1] = 0x01000000; /* nop */
- addr[2] = 0x01000000; /* nop */
+ addr[1] = 0x01000000; /* nop */
+ addr[2] = 0x01000000; /* nop */
}
void __init smp4d_blackbox_current(unsigned *addr)
{
int rd = *addr & 0x3e000000;
-
+
addr[0] = 0xc0800800 | rd; /* lda [%g0] ASI_M_VIKING_TMP1, reg */
addr[2] = 0x81282002 | rd | (rd >> 11); /* sll reg, 2, reg */
addr[4] = 0x01000000; /* nop */
@@ -392,17 +347,16 @@ void __init smp4d_blackbox_current(unsigned *addr)
void __init sun4d_init_smp(void)
{
int i;
- extern unsigned int t_nmi[], linux_trap_ipi15_sun4d[], linux_trap_ipi15_sun4m[];
/* Patch ipi15 trap table */
t_nmi[1] = t_nmi[1] + (linux_trap_ipi15_sun4d - linux_trap_ipi15_sun4m);
-
+
/* And set btfixup... */
BTFIXUPSET_BLACKBOX(hard_smp_processor_id, smp4d_blackbox_id);
BTFIXUPSET_BLACKBOX(load_current, smp4d_blackbox_current);
BTFIXUPSET_CALL(smp_cross_call, smp4d_cross_call, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(__hard_smp_processor_id, __smp4d_processor_id, BTFIXUPCALL_NORM);
-
+
for (i = 0; i < NR_CPUS; i++) {
ccall_info.processors_in[i] = 1;
ccall_info.processors_out[i] = 1;
diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c
index 7f3b97ff62c1..69df6257a32e 100644
--- a/arch/sparc/kernel/sun4m_irq.c
+++ b/arch/sparc/kernel/sun4m_irq.c
@@ -1,5 +1,5 @@
-/* sun4m_irq.c
- * arch/sparc/kernel/sun4m_irq.c:
+/*
+ * sun4m irq support
*
* djhr: Hacked out of irq.c into a CPU dependent version.
*
@@ -9,101 +9,44 @@
* Copyright (C) 1996 Dave Redman (djhr@tadpole.co.uk)
*/
-#include <linux/errno.h>
-#include <linux/linkage.h>
-#include <linux/kernel_stat.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/ptrace.h>
-#include <linux/smp.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
-
-#include <asm/ptrace.h>
-#include <asm/processor.h>
-#include <asm/system.h>
-#include <asm/psr.h>
-#include <asm/vaddrs.h>
#include <asm/timer.h>
-#include <asm/openprom.h>
-#include <asm/oplib.h>
#include <asm/traps.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
-#include <asm/smp.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/cacheflush.h>
#include "irq.h"
+#include "kernel.h"
-struct sun4m_irq_percpu {
- u32 pending;
- u32 clear;
- u32 set;
-};
-
-struct sun4m_irq_global {
- u32 pending;
- u32 mask;
- u32 mask_clear;
- u32 mask_set;
- u32 interrupt_target;
-};
-
-/* Code in entry.S needs to get at these register mappings. */
-struct sun4m_irq_percpu __iomem *sun4m_irq_percpu[SUN4M_NCPUS];
-struct sun4m_irq_global __iomem *sun4m_irq_global;
-
-/* Dave Redman (djhr@tadpole.co.uk)
- * The sun4m interrupt registers.
- */
-#define SUN4M_INT_ENABLE 0x80000000
-#define SUN4M_INT_E14 0x00000080
-#define SUN4M_INT_E10 0x00080000
-
-#define SUN4M_HARD_INT(x) (0x000000001 << (x))
-#define SUN4M_SOFT_INT(x) (0x000010000 << (x))
-
-#define SUN4M_INT_MASKALL 0x80000000 /* mask all interrupts */
-#define SUN4M_INT_MODULE_ERR 0x40000000 /* module error */
-#define SUN4M_INT_M2S_WRITE_ERR 0x20000000 /* write buffer error */
-#define SUN4M_INT_ECC_ERR 0x10000000 /* ecc memory error */
-#define SUN4M_INT_VME_ERR 0x08000000 /* vme async error */
-#define SUN4M_INT_FLOPPY 0x00400000 /* floppy disk */
-#define SUN4M_INT_MODULE 0x00200000 /* module interrupt */
-#define SUN4M_INT_VIDEO 0x00100000 /* onboard video */
-#define SUN4M_INT_REALTIME 0x00080000 /* system timer */
-#define SUN4M_INT_SCSI 0x00040000 /* onboard scsi */
-#define SUN4M_INT_AUDIO 0x00020000 /* audio/isdn */
-#define SUN4M_INT_ETHERNET 0x00010000 /* onboard ethernet */
-#define SUN4M_INT_SERIAL 0x00008000 /* serial ports */
-#define SUN4M_INT_KBDMS 0x00004000 /* keyboard/mouse */
-#define SUN4M_INT_SBUSBITS 0x00003F80 /* sbus int bits */
-#define SUN4M_INT_VMEBITS 0x0000007F /* vme int bits */
-
-#define SUN4M_INT_ERROR (SUN4M_INT_MODULE_ERR | \
- SUN4M_INT_M2S_WRITE_ERR | \
- SUN4M_INT_ECC_ERR | \
- SUN4M_INT_VME_ERR)
-
-#define SUN4M_INT_SBUS(x) (1 << (x+7))
-#define SUN4M_INT_VME(x) (1 << (x))
-
-/* Interrupt levels used by OBP */
-#define OBP_INT_LEVEL_SOFT 0x10
-#define OBP_INT_LEVEL_ONBOARD 0x20
-#define OBP_INT_LEVEL_SBUS 0x30
-#define OBP_INT_LEVEL_VME 0x40
-
-/* Interrupt level assignment on sun4m:
+/* Sample sun4m IRQ layout:
+ *
+ * 0x22 - Power
+ * 0x24 - ESP SCSI
+ * 0x26 - Lance ethernet
+ * 0x2b - Floppy
+ * 0x2c - Zilog uart
+ * 0x32 - SBUS level 0
+ * 0x33 - Parallel port, SBUS level 1
+ * 0x35 - SBUS level 2
+ * 0x37 - SBUS level 3
+ * 0x39 - Audio, Graphics card, SBUS level 4
+ * 0x3b - SBUS level 5
+ * 0x3d - SBUS level 6
+ *
+ * Each interrupt source has a mask bit in the interrupt registers.
+ * When the mask bit is set, this blocks interrupt deliver. So you
+ * clear the bit to enable the interrupt.
+ *
+ * Interrupts numbered less than 0x10 are software triggered interrupts
+ * and unused by Linux.
+ *
+ * Interrupt level assignment on sun4m:
*
* level source
* ------------------------------------------------------------
- * 1 softint-1
+ * 1 softint-1
* 2 softint-2, VME/SBUS level 1
* 3 softint-3, VME/SBUS level 2
* 4 softint-4, onboard SCSI
@@ -138,10 +81,10 @@ struct sun4m_irq_global __iomem *sun4m_irq_global;
* 'intr' property IRQ priority values from ss4, ss5, ss10, ss20, and
* Tadpole S3 GX systems.
*
- * esp: 0x24 onboard ESP SCSI
- * le: 0x26 onboard Lance ETHERNET
+ * esp: 0x24 onboard ESP SCSI
+ * le: 0x26 onboard Lance ETHERNET
* p9100: 0x32 SBUS level 1 P9100 video
- * bpp: 0x33 SBUS level 2 BPP parallel port device
+ * bpp: 0x33 SBUS level 2 BPP parallel port device
* DBRI: 0x39 SBUS level 5 DBRI ISDN audio
* SUNW,leo: 0x39 SBUS level 5 LEO video
* pcmcia: 0x3b SBUS level 6 PCMCIA controller
@@ -152,8 +95,57 @@ struct sun4m_irq_global __iomem *sun4m_irq_global;
* power: 0x22 onboard power device (XXX unknown mask bit XXX)
*/
+
+/* Code in entry.S needs to get at these register mappings. */
+struct sun4m_irq_percpu __iomem *sun4m_irq_percpu[SUN4M_NCPUS];
+struct sun4m_irq_global __iomem *sun4m_irq_global;
+
+/* Dave Redman (djhr@tadpole.co.uk)
+ * The sun4m interrupt registers.
+ */
+#define SUN4M_INT_ENABLE 0x80000000
+#define SUN4M_INT_E14 0x00000080
+#define SUN4M_INT_E10 0x00080000
+
+#define SUN4M_HARD_INT(x) (0x000000001 << (x))
+#define SUN4M_SOFT_INT(x) (0x000010000 << (x))
+
+#define SUN4M_INT_MASKALL 0x80000000 /* mask all interrupts */
+#define SUN4M_INT_MODULE_ERR 0x40000000 /* module error */
+#define SUN4M_INT_M2S_WRITE_ERR 0x20000000 /* write buffer error */
+#define SUN4M_INT_ECC_ERR 0x10000000 /* ecc memory error */
+#define SUN4M_INT_VME_ERR 0x08000000 /* vme async error */
+#define SUN4M_INT_FLOPPY 0x00400000 /* floppy disk */
+#define SUN4M_INT_MODULE 0x00200000 /* module interrupt */
+#define SUN4M_INT_VIDEO 0x00100000 /* onboard video */
+#define SUN4M_INT_REALTIME 0x00080000 /* system timer */
+#define SUN4M_INT_SCSI 0x00040000 /* onboard scsi */
+#define SUN4M_INT_AUDIO 0x00020000 /* audio/isdn */
+#define SUN4M_INT_ETHERNET 0x00010000 /* onboard ethernet */
+#define SUN4M_INT_SERIAL 0x00008000 /* serial ports */
+#define SUN4M_INT_KBDMS 0x00004000 /* keyboard/mouse */
+#define SUN4M_INT_SBUSBITS 0x00003F80 /* sbus int bits */
+#define SUN4M_INT_VMEBITS 0x0000007F /* vme int bits */
+
+#define SUN4M_INT_ERROR (SUN4M_INT_MODULE_ERR | \
+ SUN4M_INT_M2S_WRITE_ERR | \
+ SUN4M_INT_ECC_ERR | \
+ SUN4M_INT_VME_ERR)
+
+#define SUN4M_INT_SBUS(x) (1 << (x+7))
+#define SUN4M_INT_VME(x) (1 << (x))
+
+/* Interrupt levels used by OBP */
+#define OBP_INT_LEVEL_SOFT 0x10
+#define OBP_INT_LEVEL_ONBOARD 0x20
+#define OBP_INT_LEVEL_SBUS 0x30
+#define OBP_INT_LEVEL_VME 0x40
+
+#define SUN4M_TIMER_IRQ (OBP_INT_LEVEL_ONBOARD | 10)
+#define SUM4M_PROFILE_IRQ (OBP_INT_LEVEL_ONBOARD | 14)
+
static unsigned long irq_mask[0x50] = {
- /* SMP */
+ /* 0x00 - SMP */
0, SUN4M_SOFT_INT(1),
SUN4M_SOFT_INT(2), SUN4M_SOFT_INT(3),
SUN4M_SOFT_INT(4), SUN4M_SOFT_INT(5),
@@ -162,7 +154,7 @@ static unsigned long irq_mask[0x50] = {
SUN4M_SOFT_INT(10), SUN4M_SOFT_INT(11),
SUN4M_SOFT_INT(12), SUN4M_SOFT_INT(13),
SUN4M_SOFT_INT(14), SUN4M_SOFT_INT(15),
- /* soft */
+ /* 0x10 - soft */
0, SUN4M_SOFT_INT(1),
SUN4M_SOFT_INT(2), SUN4M_SOFT_INT(3),
SUN4M_SOFT_INT(4), SUN4M_SOFT_INT(5),
@@ -171,19 +163,19 @@ static unsigned long irq_mask[0x50] = {
SUN4M_SOFT_INT(10), SUN4M_SOFT_INT(11),
SUN4M_SOFT_INT(12), SUN4M_SOFT_INT(13),
SUN4M_SOFT_INT(14), SUN4M_SOFT_INT(15),
- /* onboard */
+ /* 0x20 - onboard */
0, 0, 0, 0,
SUN4M_INT_SCSI, 0, SUN4M_INT_ETHERNET, 0,
SUN4M_INT_VIDEO, SUN4M_INT_MODULE,
SUN4M_INT_REALTIME, SUN4M_INT_FLOPPY,
(SUN4M_INT_SERIAL | SUN4M_INT_KBDMS),
SUN4M_INT_AUDIO, 0, SUN4M_INT_MODULE_ERR,
- /* sbus */
+ /* 0x30 - sbus */
0, 0, SUN4M_INT_SBUS(0), SUN4M_INT_SBUS(1),
0, SUN4M_INT_SBUS(2), 0, SUN4M_INT_SBUS(3),
0, SUN4M_INT_SBUS(4), 0, SUN4M_INT_SBUS(5),
0, SUN4M_INT_SBUS(6), 0, 0,
- /* vme */
+ /* 0x40 - vme */
0, 0, SUN4M_INT_VME(0), SUN4M_INT_VME(1),
0, SUN4M_INT_VME(2), 0, SUN4M_INT_VME(3),
0, SUN4M_INT_VME(4), 0, SUN4M_INT_VME(5),
@@ -193,7 +185,7 @@ static unsigned long irq_mask[0x50] = {
static unsigned long sun4m_get_irqmask(unsigned int irq)
{
unsigned long mask;
-
+
if (irq < 0x50)
mask = irq_mask[irq];
else
@@ -217,7 +209,7 @@ static void sun4m_disable_irq(unsigned int irq_nr)
sbus_writel(mask, &sun4m_irq_global->mask_set);
else
sbus_writel(mask, &sun4m_irq_percpu[cpu]->set);
- local_irq_restore(flags);
+ local_irq_restore(flags);
}
static void sun4m_enable_irq(unsigned int irq_nr)
@@ -226,17 +218,17 @@ static void sun4m_enable_irq(unsigned int irq_nr)
int cpu = smp_processor_id();
/* Dreadful floppy hack. When we use 0x2b instead of
- * 0x0b the system blows (it starts to whistle!).
- * So we continue to use 0x0b. Fixme ASAP. --P3
- */
- if (irq_nr != 0x0b) {
+ * 0x0b the system blows (it starts to whistle!).
+ * So we continue to use 0x0b. Fixme ASAP. --P3
+ */
+ if (irq_nr != 0x0b) {
mask = sun4m_get_irqmask(irq_nr);
local_irq_save(flags);
if (irq_nr > 15)
sbus_writel(mask, &sun4m_irq_global->mask_clear);
else
sbus_writel(mask, &sun4m_irq_percpu[cpu]->clear);
- local_irq_restore(flags);
+ local_irq_restore(flags);
} else {
local_irq_save(flags);
sbus_writel(SUN4M_INT_FLOPPY, &sun4m_irq_global->mask_clear);
@@ -260,7 +252,7 @@ static unsigned long cpu_pil_to_imask[16] = {
/*12*/ SUN4M_INT_SERIAL | SUN4M_INT_KBDMS,
/*13*/ SUN4M_INT_SBUS(6) | SUN4M_INT_VME(6) | SUN4M_INT_AUDIO,
/*14*/ SUN4M_INT_E14,
-/*15*/ SUN4M_INT_ERROR
+/*15*/ SUN4M_INT_ERROR,
};
/* We assume the caller has disabled local interrupts when these are called,
@@ -280,12 +272,14 @@ static void sun4m_enable_pil_irq(unsigned int pil)
static void sun4m_send_ipi(int cpu, int level)
{
unsigned long mask = sun4m_get_irqmask(level);
+
sbus_writel(mask, &sun4m_irq_percpu[cpu]->set);
}
static void sun4m_clear_ipi(int cpu, int level)
{
unsigned long mask = sun4m_get_irqmask(level);
+
sbus_writel(mask, &sun4m_irq_percpu[cpu]->clear);
}
@@ -314,7 +308,6 @@ struct sun4m_timer_global {
static struct sun4m_timer_global __iomem *timers_global;
-#define TIMER_IRQ (OBP_INT_LEVEL_ONBOARD | 10)
unsigned int lvl14_resolution = (((1000000/HZ) + 1) << 10);
@@ -391,7 +384,7 @@ static void __init sun4m_init_timers(irq_handler_t counter_fn)
master_l10_counter = &timers_global->l10_count;
- err = request_irq(TIMER_IRQ, counter_fn,
+ err = request_irq(SUN4M_TIMER_IRQ, counter_fn,
(IRQF_DISABLED | SA_STATIC_ALLOC), "timer", NULL);
if (err) {
printk(KERN_ERR "sun4m_init_timers: Register IRQ error %d.\n",
@@ -407,7 +400,6 @@ static void __init sun4m_init_timers(irq_handler_t counter_fn)
#ifdef CONFIG_SMP
{
unsigned long flags;
- extern unsigned long lvl14_save[4];
struct tt_entry *trap_table = &sparc_ttable[SP_TRAP_IRQ1 + (14 - 1)];
/* For SMP we use the level 14 ticker, however the bootup code
@@ -466,7 +458,9 @@ void __init sun4m_init_IRQ(void)
BTFIXUPSET_CALL(disable_pil_irq, sun4m_disable_pil_irq, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(clear_clock_irq, sun4m_clear_clock_irq, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(load_profile_irq, sun4m_load_profile_irq, BTFIXUPCALL_NORM);
- sparc_init_timers = sun4m_init_timers;
+
+ sparc_irq_config.init_timers = sun4m_init_timers;
+
#ifdef CONFIG_SMP
BTFIXUPSET_CALL(set_cpu_int, sun4m_send_ipi, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(clear_cpu_int, sun4m_clear_ipi, BTFIXUPCALL_NORM);
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c
index 762d6eedd944..5cc7dc51de3d 100644
--- a/arch/sparc/kernel/sun4m_smp.c
+++ b/arch/sparc/kernel/sun4m_smp.c
@@ -1,59 +1,22 @@
-/* sun4m_smp.c: Sparc SUN4M SMP support.
+/*
+ * sun4m SMP support.
*
* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
*/
-#include <asm/head.h>
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/threads.h>
-#include <linux/smp.h>
#include <linux/interrupt.h>
-#include <linux/kernel_stat.h>
-#include <linux/init.h>
-#include <linux/spinlock.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
#include <linux/profile.h>
#include <linux/delay.h>
#include <linux/cpu.h>
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
-#include <asm/irq_regs.h>
-
-#include <asm/ptrace.h>
-#include <asm/atomic.h>
-
-#include <asm/irq.h>
-#include <asm/page.h>
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <asm/oplib.h>
-#include <asm/cpudata.h>
#include "irq.h"
+#include "kernel.h"
#define IRQ_CROSS_CALL 15
-extern ctxd_t *srmmu_ctx_table_phys;
-
-extern volatile unsigned long cpu_callin_map[NR_CPUS];
-extern unsigned char boot_cpu_id;
-
-extern cpumask_t smp_commenced_mask;
-
-extern int __smp4m_processor_id(void);
-
-/*#define SMP_DEBUG*/
-
-#ifdef SMP_DEBUG
-#define SMP_PRINTK(x) printk x
-#else
-#define SMP_PRINTK(x)
-#endif
-
static inline unsigned long
swap_ulong(volatile unsigned long *ptr, unsigned long val)
{
@@ -64,7 +27,6 @@ swap_ulong(volatile unsigned long *ptr, unsigned long val)
}
static void smp_setup_percpu_timer(void);
-extern void cpu_probe(void);
void __cpuinit smp4m_callin(void)
{
@@ -96,7 +58,7 @@ void __cpuinit smp4m_callin(void)
/* XXX: What's up with all the flushes? */
local_flush_cache_all();
local_flush_tlb_all();
-
+
cpu_probe();
/* Fix idle thread fields. */
@@ -119,9 +81,6 @@ void __cpuinit smp4m_callin(void)
/*
* Cycle through the processors asking the PROM to start each one.
*/
-
-extern struct linux_prom_registers smp_penguin_ctable;
-
void __init smp4m_boot_cpus(void)
{
smp_setup_percpu_timer();
@@ -130,7 +89,6 @@ void __init smp4m_boot_cpus(void)
int __cpuinit smp4m_boot_one_cpu(int i)
{
- extern unsigned long sun4m_cpu_startup;
unsigned long *entry = &sun4m_cpu_startup;
struct task_struct *p;
int timeout;
@@ -142,7 +100,7 @@ int __cpuinit smp4m_boot_one_cpu(int i)
p = fork_idle(i);
current_set[i] = task_thread_info(p);
/* See trampoline.S for details... */
- entry += ((i-1) * 3);
+ entry += ((i - 1) * 3);
/*
* Initialize the contexts table
@@ -154,20 +112,19 @@ int __cpuinit smp4m_boot_one_cpu(int i)
smp_penguin_ctable.reg_size = 0;
/* whirrr, whirrr, whirrrrrrrrr... */
- printk("Starting CPU %d at %p\n", i, entry);
+ printk(KERN_INFO "Starting CPU %d at %p\n", i, entry);
local_flush_cache_all();
- prom_startcpu(cpu_node,
- &smp_penguin_ctable, 0, (char *)entry);
+ prom_startcpu(cpu_node, &smp_penguin_ctable, 0, (char *)entry);
/* wheee... it's going... */
- for(timeout = 0; timeout < 10000; timeout++) {
- if(cpu_callin_map[i])
+ for (timeout = 0; timeout < 10000; timeout++) {
+ if (cpu_callin_map[i])
break;
udelay(200);
}
if (!(cpu_callin_map[i])) {
- printk("Processor %d is stuck.\n", i);
+ printk(KERN_ERR "Processor %d is stuck.\n", i);
return -ENODEV;
}
@@ -202,6 +159,7 @@ void __init smp4m_smp_done(void)
void smp4m_irq_rotate(int cpu)
{
int next = cpu_data(cpu).next;
+
if (next != cpu)
set_irq_udt(next);
}
@@ -243,7 +201,7 @@ static void smp4m_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1,
cpu_clear(smp_processor_id(), mask);
cpus_and(mask, cpu_online_map, mask);
- for(i = 0; i < ncpus; i++) {
+ for (i = 0; i < ncpus; i++) {
if (cpu_isset(i, mask)) {
ccall_info.processors_in[i] = 0;
ccall_info.processors_out[i] = 0;
@@ -262,19 +220,18 @@ static void smp4m_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1,
do {
if (!cpu_isset(i, mask))
continue;
- while(!ccall_info.processors_in[i])
+ while (!ccall_info.processors_in[i])
barrier();
- } while(++i < ncpus);
+ } while (++i < ncpus);
i = 0;
do {
if (!cpu_isset(i, mask))
continue;
- while(!ccall_info.processors_out[i])
+ while (!ccall_info.processors_out[i])
barrier();
- } while(++i < ncpus);
+ } while (++i < ncpus);
}
-
spin_unlock_irqrestore(&cross_call_lock, flags);
}
@@ -289,8 +246,6 @@ void smp4m_cross_call_irq(void)
ccall_info.processors_out[i] = 1;
}
-extern void sun4m_clear_profile_irq(int cpu);
-
void smp4m_percpu_timer_interrupt(struct pt_regs *regs)
{
struct pt_regs *old_regs;
@@ -302,7 +257,7 @@ void smp4m_percpu_timer_interrupt(struct pt_regs *regs)
profile_tick(CPU_PROFILING);
- if(!--prof_counter(cpu)) {
+ if (!--prof_counter(cpu)) {
int user = user_mode(regs);
irq_enter();
@@ -314,8 +269,6 @@ void smp4m_percpu_timer_interrupt(struct pt_regs *regs)
set_irq_regs(old_regs);
}
-extern unsigned int lvl14_resolution;
-
static void __cpuinit smp_setup_percpu_timer(void)
{
int cpu = smp_processor_id();
@@ -323,7 +276,7 @@ static void __cpuinit smp_setup_percpu_timer(void)
prof_counter(cpu) = prof_multiplier(cpu) = 1;
load_profile_irq(cpu, lvl14_resolution);
- if(cpu == boot_cpu_id)
+ if (cpu == boot_cpu_id)
enable_pil_irq(14);
}
@@ -331,9 +284,9 @@ static void __init smp4m_blackbox_id(unsigned *addr)
{
int rd = *addr & 0x3e000000;
int rs1 = rd >> 11;
-
+
addr[0] = 0x81580000 | rd; /* rd %tbr, reg */
- addr[1] = 0x8130200c | rd | rs1; /* srl reg, 0xc, reg */
+ addr[1] = 0x8130200c | rd | rs1; /* srl reg, 0xc, reg */
addr[2] = 0x80082003 | rd | rs1; /* and reg, 3, reg */
}
@@ -341,9 +294,9 @@ static void __init smp4m_blackbox_current(unsigned *addr)
{
int rd = *addr & 0x3e000000;
int rs1 = rd >> 11;
-
+
addr[0] = 0x81580000 | rd; /* rd %tbr, reg */
- addr[2] = 0x8130200a | rd | rs1; /* srl reg, 0xa, reg */
+ addr[2] = 0x8130200a | rd | rs1; /* srl reg, 0xa, reg */
addr[4] = 0x8008200c | rd | rs1; /* and reg, 0xc, reg */
}
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index f836f4e93afe..96082d30def0 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -360,20 +360,25 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u
}
EXPORT_SYMBOL(get_fb_unmapped_area);
-/* Essentially the same as PowerPC... */
-void arch_pick_mmap_layout(struct mm_struct *mm)
+/* Essentially the same as PowerPC. */
+static unsigned long mmap_rnd(void)
{
- unsigned long random_factor = 0UL;
- unsigned long gap;
+ unsigned long rnd = 0UL;
if (current->flags & PF_RANDOMIZE) {
- random_factor = get_random_int();
+ unsigned long val = get_random_int();
if (test_thread_flag(TIF_32BIT))
- random_factor &= ((1 * 1024 * 1024) - 1);
+ rnd = (val % (1UL << (22UL-PAGE_SHIFT)));
else
- random_factor = ((random_factor << PAGE_SHIFT) &
- 0xffffffffUL);
+ rnd = (val % (1UL << (29UL-PAGE_SHIFT)));
}
+ return (rnd << PAGE_SHIFT) * 2;
+}
+
+void arch_pick_mmap_layout(struct mm_struct *mm)
+{
+ unsigned long random_factor = mmap_rnd();
+ unsigned long gap;
/*
* Fall back to the standard layout if the personality
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index ec396e1916b9..47ac73c32e88 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -83,5 +83,5 @@ sys_call_table:
/*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
/*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv
/*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init
-/*330*/ .long sys_fanotify_mark, sys_prlimit64
-
+/*330*/ .long sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime
+/*335*/ .long sys_syncfs
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 8cfcaa549580..4f3170c1ef47 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -84,7 +84,8 @@ sys_call_table32:
.word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1
/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv
.word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open, compat_sys_recvmmsg, sys_fanotify_init
-/*330*/ .word sys32_fanotify_mark, sys_prlimit64
+/*330*/ .word sys32_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, compat_sys_open_by_handle_at, compat_sys_clock_adjtime
+ .word sys_syncfs
#endif /* CONFIG_COMPAT */
@@ -160,4 +161,5 @@ sys_call_table:
.word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv
.word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init
-/*330*/ .word sys_fanotify_mark, sys_prlimit64
+/*330*/ .word sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime
+ .word sys_syncfs
diff --git a/arch/sparc/kernel/tick14.c b/arch/sparc/kernel/tick14.c
deleted file mode 100644
index 138bbf5f8724..000000000000
--- a/arch/sparc/kernel/tick14.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/* tick14.c
- *
- * Copyright (C) 1996 David Redman (djhr@tadpole.co.uk)
- *
- * This file handles the Sparc specific level14 ticker
- * This is really useful for profiling OBP uses it for keyboard
- * aborts and other stuff.
- */
-#include <linux/kernel.h>
-
-extern unsigned long lvl14_save[5];
-static unsigned long *linux_lvl14 = NULL;
-static unsigned long obp_lvl14[4];
-
-/*
- * Call with timer IRQ closed.
- * First time we do it with disable_irq, later prom code uses spin_lock_irq().
- */
-void install_linux_ticker(void)
-{
-
- if (!linux_lvl14)
- return;
- linux_lvl14[0] = lvl14_save[0];
- linux_lvl14[1] = lvl14_save[1];
- linux_lvl14[2] = lvl14_save[2];
- linux_lvl14[3] = lvl14_save[3];
-}
-
-void install_obp_ticker(void)
-{
-
- if (!linux_lvl14)
- return;
- linux_lvl14[0] = obp_lvl14[0];
- linux_lvl14[1] = obp_lvl14[1];
- linux_lvl14[2] = obp_lvl14[2];
- linux_lvl14[3] = obp_lvl14[3];
-}
diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index 9c743b1886ff..4e236391b635 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -85,7 +85,7 @@ int update_persistent_clock(struct timespec now)
/*
* timer_interrupt() needs to keep up the real-time clock,
- * as well as call the "do_timer()" routine every clocktick
+ * as well as call the "xtime_update()" routine every clocktick
*/
#define TICK_SIZE (tick_nsec / 1000)
@@ -96,14 +96,9 @@ static irqreturn_t timer_interrupt(int dummy, void *dev_id)
profile_tick(CPU_PROFILING);
#endif
- /* Protect counter clear so that do_gettimeoffset works */
- write_seqlock(&xtime_lock);
-
clear_clock_irq();
- do_timer(1);
-
- write_sequnlock(&xtime_lock);
+ xtime_update(1);
#ifndef CONFIG_SMP
update_process_times(user_mode(get_irq_regs()));
@@ -142,7 +137,7 @@ static struct platform_device m48t59_rtc = {
},
};
-static int __devinit clock_probe(struct platform_device *op, const struct of_device_id *match)
+static int __devinit clock_probe(struct platform_device *op)
{
struct device_node *dp = op->dev.of_node;
const char *model = of_get_property(dp, "model", NULL);
@@ -150,6 +145,10 @@ static int __devinit clock_probe(struct platform_device *op, const struct of_dev
if (!model)
return -ENODEV;
+ /* Only the primary RTC has an address property */
+ if (!of_find_property(dp, "address", NULL))
+ return -ENODEV;
+
m48t59_rtc.resource = &op->resource[0];
if (!strcmp(model, "mk48t02")) {
/* Map the clock register io area read-only */
@@ -176,7 +175,7 @@ static struct of_device_id __initdata clock_match[] = {
{},
};
-static struct of_platform_driver clock_driver = {
+static struct platform_driver clock_driver = {
.probe = clock_probe,
.driver = {
.name = "rtc",
@@ -189,7 +188,7 @@ static struct of_platform_driver clock_driver = {
/* Probe for the mostek real time clock chip. */
static int __init clock_init(void)
{
- return of_register_platform_driver(&clock_driver);
+ return platform_driver_register(&clock_driver);
}
/* Must be after subsys_initcall() so that busses are probed. Must
* be before device_initcall() because things like the RTC driver
@@ -224,7 +223,7 @@ static void __init sbus_time_init(void)
btfixup();
- sparc_init_timers(timer_interrupt);
+ sparc_irq_config.init_timers(timer_interrupt);
}
void __init time_init(void)
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index 58aa27b29984..2b8d54b2d850 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -419,7 +419,7 @@ static struct platform_device rtc_cmos_device = {
.num_resources = 1,
};
-static int __devinit rtc_probe(struct platform_device *op, const struct of_device_id *match)
+static int __devinit rtc_probe(struct platform_device *op)
{
struct resource *r;
@@ -442,7 +442,7 @@ static int __devinit rtc_probe(struct platform_device *op, const struct of_devic
return platform_device_register(&rtc_cmos_device);
}
-static struct of_device_id __initdata rtc_match[] = {
+static const struct of_device_id rtc_match[] = {
{
.name = "rtc",
.compatible = "m5819",
@@ -462,7 +462,7 @@ static struct of_device_id __initdata rtc_match[] = {
{},
};
-static struct of_platform_driver rtc_driver = {
+static struct platform_driver rtc_driver = {
.probe = rtc_probe,
.driver = {
.name = "rtc",
@@ -477,7 +477,7 @@ static struct platform_device rtc_bq4802_device = {
.num_resources = 1,
};
-static int __devinit bq4802_probe(struct platform_device *op, const struct of_device_id *match)
+static int __devinit bq4802_probe(struct platform_device *op)
{
printk(KERN_INFO "%s: BQ4802 regs at 0x%llx\n",
@@ -487,7 +487,7 @@ static int __devinit bq4802_probe(struct platform_device *op, const struct of_de
return platform_device_register(&rtc_bq4802_device);
}
-static struct of_device_id __initdata bq4802_match[] = {
+static const struct of_device_id bq4802_match[] = {
{
.name = "rtc",
.compatible = "bq4802",
@@ -495,7 +495,7 @@ static struct of_device_id __initdata bq4802_match[] = {
{},
};
-static struct of_platform_driver bq4802_driver = {
+static struct platform_driver bq4802_driver = {
.probe = bq4802_probe,
.driver = {
.name = "bq4802",
@@ -534,7 +534,7 @@ static struct platform_device m48t59_rtc = {
},
};
-static int __devinit mostek_probe(struct platform_device *op, const struct of_device_id *match)
+static int __devinit mostek_probe(struct platform_device *op)
{
struct device_node *dp = op->dev.of_node;
@@ -552,14 +552,14 @@ static int __devinit mostek_probe(struct platform_device *op, const struct of_de
return platform_device_register(&m48t59_rtc);
}
-static struct of_device_id __initdata mostek_match[] = {
+static const struct of_device_id mostek_match[] = {
{
.name = "eeprom",
},
{},
};
-static struct of_platform_driver mostek_driver = {
+static struct platform_driver mostek_driver = {
.probe = mostek_probe,
.driver = {
.name = "mostek",
@@ -586,9 +586,9 @@ static int __init clock_init(void)
if (tlb_type == hypervisor)
return platform_device_register(&rtc_sun4v_device);
- (void) of_register_platform_driver(&rtc_driver);
- (void) of_register_platform_driver(&mostek_driver);
- (void) of_register_platform_driver(&bq4802_driver);
+ (void) platform_driver_register(&rtc_driver);
+ (void) platform_driver_register(&mostek_driver);
+ (void) platform_driver_register(&bq4802_driver);
return 0;
}
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index 1e9770936c3b..1ed547bd850f 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -2152,7 +2152,7 @@ static void user_instruction_dump(unsigned int __user *pc)
void show_stack(struct task_struct *tsk, unsigned long *_ksp)
{
- unsigned long fp, thread_base, ksp;
+ unsigned long fp, ksp;
struct thread_info *tp;
int count = 0;
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
@@ -2173,7 +2173,6 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
flushw_all();
fp = ksp + STACK_BIAS;
- thread_base = (unsigned long) tp;
printk("Call Trace:\n");
do {
diff --git a/arch/sparc/kernel/una_asm_64.S b/arch/sparc/kernel/una_asm_64.S
index be183fe41443..1c8d33228b2a 100644
--- a/arch/sparc/kernel/una_asm_64.S
+++ b/arch/sparc/kernel/una_asm_64.S
@@ -127,7 +127,7 @@ do_int_load:
wr %o5, 0x0, %asi
retl
mov 0, %o0
- .size __do_int_load, .-__do_int_load
+ .size do_int_load, .-do_int_load
.section __ex_table,"a"
.word 4b, __retl_efault
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index 0c1e6783657f..92b557afe535 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -108,7 +108,7 @@ SECTIONS
__sun4v_2insn_patch_end = .;
}
- PERCPU(PAGE_SIZE)
+ PERCPU(SMP_CACHE_BYTES, PAGE_SIZE)
. = ALIGN(PAGE_SIZE);
__init_end = .;
diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c
index cbddeb38ffda..d3c7a12ad879 100644
--- a/arch/sparc/lib/atomic32.c
+++ b/arch/sparc/lib/atomic32.c
@@ -16,7 +16,7 @@
#define ATOMIC_HASH(a) (&__atomic_hash[(((unsigned long)a)>>8) & (ATOMIC_HASH_SIZE-1)])
spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] = {
- [0 ... (ATOMIC_HASH_SIZE-1)] = SPIN_LOCK_UNLOCKED
+ [0 ... (ATOMIC_HASH_SIZE-1)] = __SPIN_LOCK_UNLOCKED(__atomic_hash)
};
#else /* SMP */
diff --git a/arch/sparc/math-emu/Makefile b/arch/sparc/math-emu/Makefile
index b9085ecbb27b..825dbee94d84 100644
--- a/arch/sparc/math-emu/Makefile
+++ b/arch/sparc/math-emu/Makefile
@@ -2,7 +2,7 @@
# Makefile for the FPU instruction emulation.
#
-# supress all warnings - as math.c produces a lot!
+# suppress all warnings - as math.c produces a lot!
ccflags-y := -w
obj-y := math_$(BITS).o
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index 5b836f5aea90..b10ac4d62378 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -240,11 +240,10 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
* only copy the information from the master page table,
* nothing more.
*/
+ code = SEGV_MAPERR;
if (!ARCH_SUN4C && address >= TASK_SIZE)
goto vmalloc_fault;
- code = SEGV_MAPERR;
-
/*
* If we're in an interrupt or have no user
* context, we must not take the fault..
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index 6d0e02c4fe09..4c31e2b6e71b 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -75,7 +75,7 @@ void __init kmap_init(void)
kmap_prot = __pgprot(SRMMU_ET_PTE | SRMMU_PRIV | SRMMU_CACHE);
}
-void show_mem(void)
+void show_mem(unsigned int filter)
{
printk("Mem-info:\n");
show_free_areas();
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 92319aa8b662..fe09fd8be695 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -650,7 +650,7 @@ static void srmmu_unmapiorange(unsigned long virt_addr, unsigned int len)
* mappings on the kernel stack without any special code as we did
* need on the sun4c.
*/
-static struct thread_info *srmmu_alloc_thread_info(void)
+static struct thread_info *srmmu_alloc_thread_info_node(int node)
{
struct thread_info *ret;
@@ -2271,7 +2271,7 @@ void __init ld_mmu_srmmu(void)
BTFIXUPSET_CALL(mmu_info, srmmu_mmu_info, BTFIXUPCALL_NORM);
- BTFIXUPSET_CALL(alloc_thread_info, srmmu_alloc_thread_info, BTFIXUPCALL_NORM);
+ BTFIXUPSET_CALL(alloc_thread_info_node, srmmu_alloc_thread_info_node, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(free_thread_info, srmmu_free_thread_info, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(pte_to_pgoff, srmmu_pte_to_pgoff, BTFIXUPCALL_NORM);
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index b5137cc2aba3..a2350b5e68aa 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -922,7 +922,7 @@ static inline void garbage_collect(int entry)
free_locked_segment(BUCKET_ADDR(entry));
}
-static struct thread_info *sun4c_alloc_thread_info(void)
+static struct thread_info *sun4c_alloc_thread_info_node(int node)
{
unsigned long addr, pages;
int entry;
@@ -2155,7 +2155,7 @@ void __init ld_mmu_sun4c(void)
BTFIXUPSET_CALL(__swp_offset, sun4c_swp_offset, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(__swp_entry, sun4c_swp_entry, BTFIXUPCALL_NORM);
- BTFIXUPSET_CALL(alloc_thread_info, sun4c_alloc_thread_info, BTFIXUPCALL_NORM);
+ BTFIXUPSET_CALL(alloc_thread_info_node, sun4c_alloc_thread_info_node, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(free_thread_info, sun4c_free_thread_info, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(mmu_info, sun4c_mmu_info, BTFIXUPCALL_NORM);
diff --git a/arch/sparc/prom/misc_32.c b/arch/sparc/prom/misc_32.c
index 8c278c311ba4..677b6a10fbde 100644
--- a/arch/sparc/prom/misc_32.c
+++ b/arch/sparc/prom/misc_32.c
@@ -54,15 +54,11 @@ EXPORT_SYMBOL(prom_feval);
void
prom_cmdline(void)
{
- extern void install_obp_ticker(void);
- extern void install_linux_ticker(void);
unsigned long flags;
spin_lock_irqsave(&prom_lock, flags);
- install_obp_ticker();
(*(romvec->pv_abort))();
restore_current();
- install_linux_ticker();
spin_unlock_irqrestore(&prom_lock, flags);
set_auxio(AUXIO_LED, 0);
}
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