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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 11:49:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 11:49:58 -0700
commit8d6cea5111f2daea8acf79d7b4b384a14175ecc1 (patch)
treeef56294da7eefbe46654b030fa8be06830a9c4f0 /arch/blackfin
parent6a454f71d795368c00d9c329b60cc4d58929e7bc (diff)
parent61cdd7a28f8b515140cb5d8aea518678f0fae024 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (27 commits) Blackfin: hook up new rt_tgsigqueueinfo syscall Blackfin: improve CLKIN_HZ config default Blackfin: initial support for ftrace grapher Blackfin: initial support for ftrace Blackfin: enable support for LOCKDEP Blackfin: add preliminary support for STACKTRACE Blackfin: move custom sections into sections.h Blackfin: punt unused/wrong mutex-dec.h Blackfin: add support for irqflags Blackfin: add support for bzip2/lzma compressed kernel images Blackfin: convert Kconfig style to def_bool Blackfin: bf548-ezkit: update smsc911x resources Blackfin: update aedos-ipipe code to upstream 1.10-00 Blackfin: bf537-stamp: update ADP5520 resources Blackfin: bf518f-ezbrd: fix SPI CS for SPI flash Blackfin: define SPI IRQ in board resources Blackfin: do not configure the UART early if on wrong processor Blackfin: fix deadlock in SMP IPI handler Blackfin: fix flag storage for irq funcs Blackfin: push down exception oops checking ...
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/Kconfig60
-rw-r--r--arch/blackfin/Makefile7
-rw-r--r--arch/blackfin/boot/.gitignore3
-rw-r--r--arch/blackfin/boot/Makefile31
-rw-r--r--arch/blackfin/include/asm/atomic.h16
-rw-r--r--arch/blackfin/include/asm/bfin-global.h11
-rw-r--r--arch/blackfin/include/asm/bitops.h3
-rw-r--r--arch/blackfin/include/asm/bug.h57
-rw-r--r--arch/blackfin/include/asm/cache.h11
-rw-r--r--arch/blackfin/include/asm/cacheflush.h3
-rw-r--r--arch/blackfin/include/asm/cpu.h1
-rw-r--r--arch/blackfin/include/asm/ftrace.h14
-rw-r--r--arch/blackfin/include/asm/ipipe.h28
-rw-r--r--arch/blackfin/include/asm/irq.h271
-rw-r--r--arch/blackfin/include/asm/irqflags.h63
-rw-r--r--arch/blackfin/include/asm/mutex-dec.h112
-rw-r--r--arch/blackfin/include/asm/sections.h11
-rw-r--r--arch/blackfin/include/asm/system.h4
-rw-r--r--arch/blackfin/include/asm/unistd.h3
-rw-r--r--arch/blackfin/kernel/Makefile5
-rw-r--r--arch/blackfin/kernel/bfin_dma_5xx.c4
-rw-r--r--arch/blackfin/kernel/bfin_ksyms.c5
-rw-r--r--arch/blackfin/kernel/cplb-mpu/cplbmgr.c2
-rw-r--r--arch/blackfin/kernel/cplb-nompu/cplbmgr.c54
-rw-r--r--arch/blackfin/kernel/early_printk.c8
-rw-r--r--arch/blackfin/kernel/ftrace-entry.S140
-rw-r--r--arch/blackfin/kernel/ftrace.c42
-rw-r--r--arch/blackfin/kernel/ipipe.c42
-rw-r--r--arch/blackfin/kernel/setup.c16
-rw-r--r--arch/blackfin/kernel/stacktrace.c53
-rw-r--r--arch/blackfin/kernel/traps.c128
-rw-r--r--arch/blackfin/kernel/vmlinux.lds.S17
-rw-r--r--arch/blackfin/lib/checksum.c2
-rw-r--r--arch/blackfin/mach-bf518/boards/ezbrd.c12
-rw-r--r--arch/blackfin/mach-bf527/boards/cm_bf527.c5
-rw-r--r--arch/blackfin/mach-bf527/boards/ezbrd.c5
-rw-r--r--arch/blackfin/mach-bf527/boards/ezkit.c5
-rw-r--r--arch/blackfin/mach-bf533/boards/H8606.c5
-rw-r--r--arch/blackfin/mach-bf533/boards/blackstamp.c5
-rw-r--r--arch/blackfin/mach-bf533/boards/cm_bf533.c5
-rw-r--r--arch/blackfin/mach-bf533/boards/ezkit.c5
-rw-r--r--arch/blackfin/mach-bf533/boards/stamp.c5
-rw-r--r--arch/blackfin/mach-bf537/boards/cm_bf537.c7
-rw-r--r--arch/blackfin/mach-bf537/boards/minotaur.c5
-rw-r--r--arch/blackfin/mach-bf537/boards/pnav10.c7
-rw-r--r--arch/blackfin/mach-bf537/boards/stamp.c2
-rw-r--r--arch/blackfin/mach-bf537/boards/tcm_bf537.c5
-rw-r--r--arch/blackfin/mach-bf538/boards/ezkit.c10
-rw-r--r--arch/blackfin/mach-bf548/boards/cm_bf548.c10
-rw-r--r--arch/blackfin/mach-bf548/boards/ezkit.c23
-rw-r--r--arch/blackfin/mach-bf561/boards/cm_bf561.c7
-rw-r--r--arch/blackfin/mach-bf561/boards/ezkit.c5
-rw-r--r--arch/blackfin/mach-common/cache-c.c14
-rw-r--r--arch/blackfin/mach-common/entry.S12
-rw-r--r--arch/blackfin/mach-common/smp.c24
55 files changed, 807 insertions, 603 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index a60cfe75791..8ea0d942cde 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -6,59 +6,65 @@
mainmenu "Blackfin Kernel Configuration"
config MMU
- bool
- default n
+ def_bool n
config FPU
- bool
- default n
+ def_bool n
config RWSEM_GENERIC_SPINLOCK
- bool
- default y
+ def_bool y
config RWSEM_XCHGADD_ALGORITHM
- bool
- default n
+ def_bool n
config BLACKFIN
- bool
- default y
+ def_bool y
+ select HAVE_FUNCTION_GRAPH_TRACER
+ select HAVE_FUNCTION_TRACER
select HAVE_IDE
+ select HAVE_KERNEL_GZIP
+ select HAVE_KERNEL_BZIP2
+ select HAVE_KERNEL_LZMA
select HAVE_OPROFILE
select ARCH_WANT_OPTIONAL_GPIOLIB
+config GENERIC_BUG
+ def_bool y
+ depends on BUG
+
config ZONE_DMA
- bool
- default y
+ def_bool y
config GENERIC_FIND_NEXT_BIT
- bool
- default y
+ def_bool y
config GENERIC_HWEIGHT
- bool
- default y
+ def_bool y
config GENERIC_HARDIRQS
- bool
- default y
+ def_bool y
config GENERIC_IRQ_PROBE
- bool
- default y
+ def_bool y
config GENERIC_GPIO
- bool
- default y
+ def_bool y
config FORCE_MAX_ZONEORDER
int
default "14"
config GENERIC_CALIBRATE_DELAY
- bool
- default y
+ def_bool y
+
+config LOCKDEP_SUPPORT
+ def_bool y
+
+config STACKTRACE_SUPPORT
+ def_bool y
+
+config TRACE_IRQFLAGS_SUPPORT
+ def_bool y
source "init/Kconfig"
@@ -408,12 +414,12 @@ comment "Clock/PLL Setup"
config CLKIN_HZ
int "Frequency of the crystal on the board in Hz"
+ default "10000000" if BFIN532_IP0X
default "11059200" if BFIN533_STAMP
+ default "24576000" if PNAV10
+ default "25000000" # most people use this
default "27000000" if BFIN533_EZKIT
- default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS || BLACKSTAMP || BFIN526_EZBRD || BFIN538_EZKIT || BFIN518F-EZBRD)
default "30000000" if BFIN561_EZKIT
- default "24576000" if PNAV10
- default "10000000" if BFIN532_IP0X
help
The frequency of CLKIN crystal oscillator on the board in Hz.
Warning: This value should match the crystal on the board. Otherwise,
diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
index d54c8283825..6f9533c3d75 100644
--- a/arch/blackfin/Makefile
+++ b/arch/blackfin/Makefile
@@ -137,7 +137,7 @@ archclean:
INSTALL_PATH ?= /tftpboot
boot := arch/$(ARCH)/boot
-BOOT_TARGETS = vmImage
+BOOT_TARGETS = vmImage vmImage.bz2 vmImage.gz vmImage.lzma
PHONY += $(BOOT_TARGETS) install
KBUILD_IMAGE := $(boot)/vmImage
@@ -150,7 +150,10 @@ install:
$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
define archhelp
- echo '* vmImage - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage)'
+ echo '* vmImage - Alias to selected kernel format (vmImage.gz by default)'
+ echo ' vmImage.bz2 - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.bz2)'
+ echo '* vmImage.gz - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.gz)'
+ echo ' vmImage.lzma - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.lzma)'
echo ' install - Install kernel using'
echo ' (your) ~/bin/$(CROSS_COMPILE)installkernel or'
echo ' (distribution) PATH: $(CROSS_COMPILE)installkernel or'
diff --git a/arch/blackfin/boot/.gitignore b/arch/blackfin/boot/.gitignore
index 3ae03994b88..229e5080867 100644
--- a/arch/blackfin/boot/.gitignore
+++ b/arch/blackfin/boot/.gitignore
@@ -1 +1,2 @@
-+vmImage
+vmImage*
+vmlinux*
diff --git a/arch/blackfin/boot/Makefile b/arch/blackfin/boot/Makefile
index e028d13481a..3ab6f23561d 100644
--- a/arch/blackfin/boot/Makefile
+++ b/arch/blackfin/boot/Makefile
@@ -8,24 +8,41 @@
MKIMAGE := $(srctree)/scripts/mkuboot.sh
-targets := vmImage
-extra-y += vmlinux.bin vmlinux.gz
+targets := vmImage vmImage.bz2 vmImage.gz vmImage.lzma
+extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma
quiet_cmd_uimage = UIMAGE $@
cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(ARCH) -O linux -T kernel \
- -C gzip -n 'Linux-$(KERNELRELEASE)' -a $(CONFIG_BOOT_LOAD) \
+ -C $(2) -n 'Linux-$(KERNELRELEASE)' -a $(CONFIG_BOOT_LOAD) \
-e $(shell $(NM) vmlinux | awk '$$NF == "__start" {print $$1}') \
-d $< $@
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
-$(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE
+$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
$(call if_changed,gzip)
-$(obj)/vmImage: $(obj)/vmlinux.gz
- $(call if_changed,uimage)
- @$(kecho) 'Kernel: $@ is ready'
+$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
+ $(call if_changed,bzip2)
+
+$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
+ $(call if_changed,lzma)
+
+$(obj)/vmImage.bz2: $(obj)/vmlinux.bin.bz2
+ $(call if_changed,uimage,bzip2)
+
+$(obj)/vmImage.gz: $(obj)/vmlinux.bin.gz
+ $(call if_changed,uimage,gzip)
+
+$(obj)/vmImage.lzma: $(obj)/vmlinux.bin.lzma
+ $(call if_changed,uimage,lzma)
+
+suffix-$(CONFIG_KERNEL_GZIP) := gz
+suffix-$(CONFIG_KERNEL_BZIP2) := bz2
+suffix-$(CONFIG_KERNEL_LZMA) := lzma
+$(obj)/vmImage: $(obj)/vmImage.$(suffix-y)
+ @ln -sf $(notdir $<) $@
install:
sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"
diff --git a/arch/blackfin/include/asm/atomic.h b/arch/blackfin/include/asm/atomic.h
index 7bbf44e4ddf..b1d92f13ef9 100644
--- a/arch/blackfin/include/asm/atomic.h
+++ b/arch/blackfin/include/asm/atomic.h
@@ -90,7 +90,7 @@ static inline int atomic_test_mask(int mask, atomic_t *v)
static inline void atomic_add(int i, atomic_t *v)
{
- long flags;
+ unsigned long flags;
local_irq_save_hw(flags);
v->counter += i;
@@ -99,7 +99,7 @@ static inline void atomic_add(int i, atomic_t *v)
static inline void atomic_sub(int i, atomic_t *v)
{
- long flags;
+ unsigned long flags;
local_irq_save_hw(flags);
v->counter -= i;
@@ -110,7 +110,7 @@ static inline void atomic_sub(int i, atomic_t *v)
static inline int atomic_add_return(int i, atomic_t *v)
{
int __temp = 0;
- long flags;
+ unsigned long flags;
local_irq_save_hw(flags);
v->counter += i;
@@ -124,7 +124,7 @@ static inline int atomic_add_return(int i, atomic_t *v)
static inline int atomic_sub_return(int i, atomic_t *v)
{
int __temp = 0;
- long flags;
+ unsigned long flags;
local_irq_save_hw(flags);
v->counter -= i;
@@ -136,7 +136,7 @@ static inline int atomic_sub_return(int i, atomic_t *v)
static inline void atomic_inc(volatile atomic_t *v)
{
- long flags;
+ unsigned long flags;
local_irq_save_hw(flags);
v->counter++;
@@ -145,7 +145,7 @@ static inline void atomic_inc(volatile atomic_t *v)
static inline void atomic_dec(volatile atomic_t *v)
{
- long flags;
+ unsigned long flags;
local_irq_save_hw(flags);
v->counter--;
@@ -154,7 +154,7 @@ static inline void atomic_dec(volatile atomic_t *v)
static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
{
- long flags;
+ unsigned long flags;
local_irq_save_hw(flags);
v->counter &= ~mask;
@@ -163,7 +163,7 @@ static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
{
- long flags;
+ unsigned long flags;
local_irq_save_hw(flags);
v->counter |= mask;
diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h
index daffc0684e7..e39277ea43e 100644
--- a/arch/blackfin/include/asm/bfin-global.h
+++ b/arch/blackfin/include/asm/bfin-global.h
@@ -31,7 +31,7 @@
#ifndef __ASSEMBLY__
-#include <asm-generic/sections.h>
+#include <asm/sections.h>
#include <asm/ptrace.h>
#include <asm/user.h>
#include <linux/linkage.h>
@@ -99,15 +99,6 @@ extern const char bfin_board_name[];
extern unsigned long bfin_sic_iwr[];
extern unsigned vr_wakeup;
extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
-extern unsigned long _ramstart, _ramend, _rambase;
-extern unsigned long memory_start, memory_end, physical_mem_end;
-extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[],
- _ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _sbss_b_l1[], _ebss_b_l1[],
- _stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[], _sbss_l2[],
- _ebss_l2[], _l2_lma_start[];
-
-/* only used when MTD_UCLINUX */
-extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size;
#ifdef CONFIG_BFIN_ICACHE_LOCK
extern void cache_grab_lock(int way);
diff --git a/arch/blackfin/include/asm/bitops.h b/arch/blackfin/include/asm/bitops.h
index 21b036eadab..75fee2f7d9f 100644
--- a/arch/blackfin/include/asm/bitops.h
+++ b/arch/blackfin/include/asm/bitops.h
@@ -109,7 +109,8 @@ static inline void clear_bit(int nr, volatile unsigned long *addr)
static inline void change_bit(int nr, volatile unsigned long *addr)
{
- int mask, flags;
+ int mask;
+ unsigned long flags;
unsigned long *ADDR = (unsigned long *)addr;
ADDR += nr >> 5;
diff --git a/arch/blackfin/include/asm/bug.h b/arch/blackfin/include/asm/bug.h
index 6d3e11b1fc5..655e49540e4 100644
--- a/arch/blackfin/include/asm/bug.h
+++ b/arch/blackfin/include/asm/bug.h
@@ -2,13 +2,58 @@
#define _BLACKFIN_BUG_H
#ifdef CONFIG_BUG
-#define HAVE_ARCH_BUG
-#define BUG() do { \
- dump_bfin_trace_buffer(); \
- printk(KERN_EMERG "BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
- panic("BUG!"); \
-} while (0)
+#define BFIN_BUG_OPCODE 0xefcd
+
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+
+#define _BUG_OR_WARN(flags) \
+ asm volatile( \
+ "1: .hword %0\n" \
+ " .section __bug_table,\"a\",@progbits\n" \
+ "2: .long 1b\n" \
+ " .long %1\n" \
+ " .short %2\n" \
+ " .short %3\n" \
+ " .org 2b + %4\n" \
+ " .previous" \
+ : \
+ : "i"(BFIN_BUG_OPCODE), "i"(__FILE__), \
+ "i"(__LINE__), "i"(flags), \
+ "i"(sizeof(struct bug_entry)))
+
+#else
+
+#define _BUG_OR_WARN(flags) \
+ asm volatile( \
+ "1: .hword %0\n" \
+ " .section __bug_table,\"a\",@progbits\n" \
+ "2: .long 1b\n" \
+ " .short %1\n" \
+ " .org 2b + %2\n" \
+ " .previous" \
+ : \
+ : "i"(BFIN_BUG_OPCODE), "i"(flags), \
+ "i"(sizeof(struct bug_entry)))
+
+#endif /* CONFIG_DEBUG_BUGVERBOSE */
+
+#define BUG() \
+ do { \
+ _BUG_OR_WARN(0); \
+ for (;;); \
+ } while (0)
+
+#define WARN_ON(condition) \
+ ({ \
+ int __ret_warn_on = !!(condition); \
+ if (unlikely(__ret_warn_on)) \
+ _BUG_OR_WARN(BUGFLAG_WARNING); \
+ unlikely(__ret_warn_on); \
+ })
+
+#define HAVE_ARCH_BUG
+#define HAVE_ARCH_WARN_ON
#endif
diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h
index 86637814cf2..2ef669ed922 100644
--- a/arch/blackfin/include/asm/cache.h
+++ b/arch/blackfin/include/asm/cache.h
@@ -34,9 +34,13 @@
#define L1_CACHE_SHIFT_MAX 5
#if defined(CONFIG_SMP) && \
- !defined(CONFIG_BFIN_CACHE_COHERENT) && \
- defined(CONFIG_BFIN_DCACHE)
-#define __ARCH_SYNC_CORE_DCACHE
+ !defined(CONFIG_BFIN_CACHE_COHERENT)
+# if defined(CONFIG_BFIN_ICACHE)
+# define __ARCH_SYNC_CORE_ICACHE
+# endif
+# if defined(CONFIG_BFIN_DCACHE)
+# define __ARCH_SYNC_CORE_DCACHE
+# endif
#ifndef __ASSEMBLY__
asmlinkage void __raw_smp_mark_barrier_asm(void);
asmlinkage void __raw_smp_check_barrier_asm(void);
@@ -51,6 +55,7 @@ static inline void smp_check_barrier(void)
}
void resync_core_dcache(void);
+void resync_core_icache(void);
#endif
#endif
diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h
index 94697f0f6f4..5c17dee53b5 100644
--- a/arch/blackfin/include/asm/cacheflush.h
+++ b/arch/blackfin/include/asm/cacheflush.h
@@ -37,6 +37,7 @@ extern void blackfin_dcache_flush_range(unsigned long start_address, unsigned lo
extern void blackfin_dcache_invalidate_range(unsigned long start_address, unsigned long end_address);
extern void blackfin_dflush_page(void *page);
extern void blackfin_invalidate_entire_dcache(void);
+extern void blackfin_invalidate_entire_icache(void);
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
@@ -97,7 +98,7 @@ do { memcpy(dst, src, len); \
extern unsigned long reserved_mem_dcache_on;
extern unsigned long reserved_mem_icache_on;
-static inline int bfin_addr_dcachable(unsigned long addr)
+static inline int bfin_addr_dcacheable(unsigned long addr)
{
#ifdef CONFIG_BFIN_DCACHE
if (addr < (_ramend - DMA_UNCACHED_REGION))
diff --git a/arch/blackfin/include/asm/cpu.h b/arch/blackfin/include/asm/cpu.h
index c2594ef877f..565b8136855 100644
--- a/arch/blackfin/include/asm/cpu.h
+++ b/arch/blackfin/include/asm/cpu.h
@@ -34,6 +34,7 @@ struct blackfin_cpudata {
unsigned int dmemctl;
unsigned long loops_per_jiffy;
unsigned long dcache_invld_count;
+ unsigned long icache_invld_count;
};
DECLARE_PER_CPU(struct blackfin_cpudata, cpu_data);
diff --git a/arch/blackfin/include/asm/ftrace.h b/arch/blackfin/include/asm/ftrace.h
index 40a8c178f10..8643680f0f7 100644
--- a/arch/blackfin/include/asm/ftrace.h
+++ b/arch/blackfin/include/asm/ftrace.h
@@ -1 +1,13 @@
-/* empty */
+/*
+ * Blackfin ftrace code
+ *
+ * Copyright 2009 Analog Devices Inc.
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __ASM_BFIN_FTRACE_H__
+#define __ASM_BFIN_FTRACE_H__
+
+#define MCOUNT_INSN_SIZE 8 /* sizeof mcount call: LINK + CALL */
+
+#endif
diff --git a/arch/blackfin/include/asm/ipipe.h b/arch/blackfin/include/asm/ipipe.h
index 51d0bf5e289..bbe1c3726b6 100644
--- a/arch/blackfin/include/asm/ipipe.h
+++ b/arch/blackfin/include/asm/ipipe.h
@@ -35,10 +35,10 @@
#include <asm/atomic.h>
#include <asm/traps.h>
-#define IPIPE_ARCH_STRING "1.9-01"
+#define IPIPE_ARCH_STRING "1.10-00"
#define IPIPE_MAJOR_NUMBER 1
-#define IPIPE_MINOR_NUMBER 9
-#define IPIPE_PATCH_NUMBER 1
+#define IPIPE_MINOR_NUMBER 10
+#define IPIPE_PATCH_NUMBER 0
#ifdef CONFIG_SMP
#error "I-pipe/blackfin: SMP not implemented"
@@ -54,10 +54,11 @@ do { \
#define task_hijacked(p) \
({ \
- int __x__ = ipipe_current_domain != ipipe_root_domain; \
- /* We would need to clear the SYNC flag for the root domain */ \
- /* over the current processor in SMP mode. */ \
- local_irq_enable_hw(); __x__; \
+ int __x__ = __ipipe_root_domain_p; \
+ __clear_bit(IPIPE_SYNC_FLAG, &ipipe_root_cpudom_var(status)); \
+ if (__x__) \
+ local_irq_enable_hw(); \
+ !__x__; \
})
struct ipipe_domain;
@@ -179,23 +180,24 @@ static inline unsigned long __ipipe_ffnz(unsigned long ul)
#define __ipipe_run_isr(ipd, irq) \
do { \
- if (ipd == ipipe_root_domain) { \
+ if (!__ipipe_pipeline_head_p(ipd)) \
local_irq_enable_hw(); \
- if (ipipe_virtual_irq_p(irq)) \
+ if (ipd == ipipe_root_domain) { \
+ if (unlikely(ipipe_virtual_irq_p(irq))) { \
+ irq_enter(); \
ipd->irqs[irq].handler(irq, ipd->irqs[irq].cookie); \
- else \
+ irq_exit(); \
+ } else \
ipd->irqs[irq].handler(irq, &__raw_get_cpu_var(__ipipe_tick_regs)); \
- local_irq_disable_hw(); \
} else { \
__clear_bit(IPIPE_SYNC_FLAG, &ipipe_cpudom_var(ipd, status)); \
- local_irq_enable_nohead(ipd); \
ipd->irqs[irq].handler(irq, ipd->irqs[irq].cookie); \
/* Attempt to exit the outer interrupt level before \
* starting the deferred IRQ processing. */ \
- local_irq_disable_nohead(ipd); \
__ipipe_run_irqtail(); \
__set_bit(IPIPE_SYNC_FLAG, &ipipe_cpudom_var(ipd, status)); \
} \
+ local_irq_disable_hw(); \
} while (0)
#define __ipipe_syscall_watched_p(p, sc) \
diff --git a/arch/blackfin/include/asm/irq.h b/arch/blackfin/include/asm/irq.h
index 7645e85a5f6..400bdd52ce8 100644
--- a/arch/blackfin/include/asm/irq.h
+++ b/arch/blackfin/include/asm/irq.h
@@ -17,270 +17,17 @@
#ifndef _BFIN_IRQ_H_
#define _BFIN_IRQ_H_
-/* SYS_IRQS and NR_IRQS are defined in <mach-bf5xx/irq.h>*/
-#include <mach/irq.h>
-#include <asm/pda.h>
-#include <asm/processor.h>
-
-#ifdef CONFIG_SMP
-/* Forward decl needed due to cdef inter dependencies */
-static inline uint32_t __pure bfin_dspid(void);
-# define blackfin_core_id() (bfin_dspid() & 0xff)
-# define bfin_irq_flags cpu_pda[blackfin_core_id()].imask
-#else
-extern unsigned long bfin_irq_flags;
-#endif
-
-#ifdef CONFIG_IPIPE
-
-#include <linux/ipipe_trace.h>
+#include <linux/irqflags.h>
-void __ipipe_unstall_root(void);
-
-void __ipipe_restore_root(unsigned long flags);
-
-#ifdef CONFIG_DEBUG_HWERR
-# define __all_masked_irq_flags 0x3f
-# define __save_and_cli_hw(x) \
- __asm__ __volatile__( \
- "cli %0;" \
- "sti %1;" \
- : "=&d"(x) \
- : "d" (0x3F) \
- )
-#else
-# define __all_masked_irq_flags 0x1f
-# define __save_and_cli_hw(x) \
- __asm__ __volatile__( \
- "cli %0;" \
- : "=&d"(x) \
- )
-#endif
-
-#define irqs_enabled_from_flags_hw(x) ((x) != __all_masked_irq_flags)
-#define raw_irqs_disabled_flags(flags) (!irqs_enabled_from_flags_hw(flags))
-#define local_test_iflag_hw(x) irqs_enabled_from_flags_hw(x)
-
-#define local_save_flags(x) \
- do { \
- (x) = __ipipe_test_root() ? \
- __all_masked_irq_flags : bfin_irq_flags; \
- barrier(); \
- } while (0)
-
-#define local_irq_save(x) \
- do { \
- (x) = __ipipe_test_and_stall_root() ? \
- __all_masked_irq_flags : bfin_irq_flags; \
- barrier(); \
- } while (0)
-
-static inline void local_irq_restore(unsigned long x)
-{
- barrier();
- __ipipe_restore_root(x == __all_masked_irq_flags);
-}
-
-#define local_irq_disable() \
- do { \
- __ipipe_stall_root(); \
- barrier(); \