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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-06-11 15:35:00 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-06-11 15:35:00 +0100
commit42578c82e0f1810a07ebe29cb05e874893243d8c (patch)
treee2a3811677d3594e891fc82c940438f6b6abc3e0 /arch/arm
parent2631182bf93919577730e6a6c4345308db590057 (diff)
parent85d6943af50537d3aec58b967ffbd3fec88453e9 (diff)
Merge branch 'for-rmk' of git://linux-arm.org/linux-2.6 into devel
Conflicts: arch/arm/Kconfig arch/arm/kernel/smp.c arch/arm/mach-realview/Makefile arch/arm/mach-realview/platsmp.c
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/Kconfig8
-rw-r--r--arch/arm/Makefile3
-rw-r--r--arch/arm/boot/compressed/Makefile5
-rw-r--r--arch/arm/boot/compressed/head.S6
-rw-r--r--arch/arm/include/asm/cputype.h25
-rw-r--r--arch/arm/include/asm/hardware/cache-l2x0.h2
-rw-r--r--arch/arm/include/asm/processor.h1
-rw-r--r--arch/arm/include/asm/ptrace.h17
-rw-r--r--arch/arm/include/asm/tlbflush.h26
-rw-r--r--arch/arm/kernel/entry-armv.S3
-rw-r--r--arch/arm/kernel/entry-common.S3
-rw-r--r--arch/arm/kernel/process.c2
-rw-r--r--arch/arm/kernel/signal.c8
-rw-r--r--arch/arm/kernel/smp.c69
-rw-r--r--arch/arm/kernel/vmlinux.lds.S2
-rw-r--r--arch/arm/mach-realview/Kconfig16
-rw-r--r--arch/arm/mach-realview/Makefile1
-rw-r--r--arch/arm/mach-realview/core.c10
-rw-r--r--arch/arm/mach-realview/include/mach/board-eb.h105
-rw-r--r--arch/arm/mach-realview/include/mach/board-pb1176.h80
-rw-r--r--arch/arm/mach-realview/include/mach/board-pb11mp.h101
-rw-r--r--arch/arm/mach-realview/include/mach/board-pba8.h77
-rw-r--r--arch/arm/mach-realview/include/mach/board-pbx.h108
-rw-r--r--arch/arm/mach-realview/include/mach/debug-macro.S3
-rw-r--r--arch/arm/mach-realview/include/mach/irqs-eb.h129
-rw-r--r--arch/arm/mach-realview/include/mach/irqs-pb1176.h99
-rw-r--r--arch/arm/mach-realview/include/mach/irqs-pb11mp.h122
-rw-r--r--arch/arm/mach-realview/include/mach/irqs-pba8.h98
-rw-r--r--arch/arm/mach-realview/include/mach/irqs-pbx.h115
-rw-r--r--arch/arm/mach-realview/include/mach/irqs.h9
-rw-r--r--arch/arm/mach-realview/include/mach/uncompress.h3
-rw-r--r--arch/arm/mach-realview/platsmp.c4
-rw-r--r--arch/arm/mach-realview/realview_pb1176.c23
-rw-r--r--arch/arm/mach-realview/realview_pbx.c335
-rw-r--r--arch/arm/mm/Kconfig20
-rw-r--r--arch/arm/mm/abort-ev6.S3
-rw-r--r--arch/arm/mm/proc-v6.S3
-rw-r--r--arch/arm/mm/proc-v7.S59
-rw-r--r--arch/arm/mm/tlb-v7.S17
-rw-r--r--arch/arm/oprofile/op_model_mpcore.c1
-rw-r--r--arch/arm/vfp/vfphw.S4
-rw-r--r--arch/arm/vfp/vfpmodule.c2
42 files changed, 1298 insertions, 429 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 430d2b75616..c857111ab96 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -849,7 +849,8 @@ source "kernel/time/Kconfig"
config SMP
bool "Symmetric Multi-Processing (EXPERIMENTAL)"
- depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP ||ARCH_OMAP4)
+ depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP ||\
+ MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4)
depends on GENERIC_CLOCKEVENTS
select USE_GENERIC_SMP_HELPERS
select HAVE_ARM_SCU if (ARCH_REALVIEW || ARCH_OMAP4)
@@ -920,7 +921,8 @@ config HOTPLUG_CPU
config LOCAL_TIMERS
bool "Use local timer interrupts"
- depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || REALVIEW_EB_A9MP || ARCH_OMAP4)
+ depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || \
+ REALVIEW_EB_A9MP || MACH_REALVIEW_PBX || ARCH_OMAP4)
default y
select HAVE_ARM_TWD if (ARCH_REALVIEW || ARCH_OMAP4)
help
@@ -1031,7 +1033,7 @@ config LEDS
ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
ARCH_AT91 || ARCH_DAVINCI || \
- ARCH_KS8695 || MACH_RD88F5182
+ ARCH_KS8695 || MACH_RD88F5182 || ARCH_REALVIEW
help
If you say Y here, the LEDs on your machine will be used
to provide useful information about your current system status.
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index e8ab87750e9..0c25f2cb73a 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -11,6 +11,9 @@
# Copyright (C) 1995-2001 by Russell King
LDFLAGS_vmlinux :=-p --no-undefined -X
+ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
+LDFLAGS_vmlinux += --be8
+endif
CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
GZFLAGS :=-9
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index fbe5eef1f6c..ce39dc54008 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -40,7 +40,7 @@ ifeq ($(CONFIG_PXA_SHARPSL),y)
OBJS += head-sharpsl.o
endif
-ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
+ifeq ($(CONFIG_CPU_ENDIAN_BE32),y)
ifeq ($(CONFIG_CPU_CP15),y)
OBJS += big-endian.o
else
@@ -78,6 +78,9 @@ EXTRA_AFLAGS := -Wa,-march=all
# linker symbols. We only define initrd_phys and params_phys if the
# machine class defined the corresponding makefile variable.
LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR)
+ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
+LDFLAGS_vmlinux += --be8
+endif
ifneq ($(INITRD_PHYS),)
LDFLAGS_vmlinux += --defsym initrd_phys=$(INITRD_PHYS)
endif
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index b371fba1b95..01d49be3b2c 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -438,6 +438,9 @@ __armv4_mmu_cache_on:
mrc p15, 0, r0, c1, c0, 0 @ read control reg
orr r0, r0, #0x5000 @ I-cache enable, RR cache replacement
orr r0, r0, #0x0030
+#ifdef CONFIG_CPU_ENDIAN_BE8
+ orr r0, r0, #1 << 25 @ big-endian page tables
+#endif
bl __common_mmu_cache_on
mov r0, #0
mcr p15, 0, r0, c8, c7, 0 @ flush I,D TLBs
@@ -455,6 +458,9 @@ __armv7_mmu_cache_on:
mrc p15, 0, r0, c1, c0, 0 @ read control reg
orr r0, r0, #0x5000 @ I-cache enable, RR cache replacement
orr r0, r0, #0x003c @ write buffer
+#ifdef CONFIG_CPU_ENDIAN_BE8
+ orr r0, r0, #1 << 25 @ big-endian page tables
+#endif
orrne r0, r0, #1 @ MMU enabled
movne r1, #-1
mcrne p15, 0, r3, c2, c0, 0 @ load page table pointer
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index 7b9d27e749b..b3e656c6fb7 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -8,6 +8,21 @@
#define CPUID_TCM 2
#define CPUID_TLBTYPE 3
+#define CPUID_EXT_PFR0 "c1, 0"
+#define CPUID_EXT_PFR1 "c1, 1"
+#define CPUID_EXT_DFR0 "c1, 2"
+#define CPUID_EXT_AFR0 "c1, 3"
+#define CPUID_EXT_MMFR0 "c1, 4"
+#define CPUID_EXT_MMFR1 "c1, 5"
+#define CPUID_EXT_MMFR2 "c1, 6"
+#define CPUID_EXT_MMFR3 "c1, 7"
+#define CPUID_EXT_ISAR0 "c2, 0"
+#define CPUID_EXT_ISAR1 "c2, 1"
+#define CPUID_EXT_ISAR2 "c2, 2"
+#define CPUID_EXT_ISAR3 "c2, 3"
+#define CPUID_EXT_ISAR4 "c2, 4"
+#define CPUID_EXT_ISAR5 "c2, 5"
+
#ifdef CONFIG_CPU_CP15
#define read_cpuid(reg) \
({ \
@@ -18,9 +33,19 @@
: "cc"); \
__val; \
})
+#define read_cpuid_ext(ext_reg) \
+ ({ \
+ unsigned int __val; \
+ asm("mrc p15, 0, %0, c0, " ext_reg \
+ : "=r" (__val) \
+ : \
+ : "cc"); \
+ __val; \
+ })
#else
extern unsigned int processor_id;
#define read_cpuid(reg) (processor_id)
+#define read_cpuid_ext(reg) 0
#endif
/*
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
index 64f2252a25c..cdb9022716f 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -24,6 +24,8 @@
#define L2X0_CACHE_TYPE 0x004
#define L2X0_CTRL 0x100
#define L2X0_AUX_CTRL 0x104
+#define L2X0_TAG_LATENCY_CTRL 0x108
+#define L2X0_DATA_LATENCY_CTRL 0x10C
#define L2X0_EVENT_CNT_CTRL 0x200
#define L2X0_EVENT_CNT1_CFG 0x204
#define L2X0_EVENT_CNT0_CFG 0x208
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index 1845892260e..6a89567ffc5 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -71,6 +71,7 @@ struct thread_struct {
regs->ARM_cpsr = USR26_MODE; \
if (elf_hwcap & HWCAP_THUMB && pc & 1) \
regs->ARM_cpsr |= PSR_T_BIT; \
+ regs->ARM_cpsr |= PSR_ENDSTATE; \
regs->ARM_pc = pc & ~1; /* pc */ \
regs->ARM_sp = sp; /* sp */ \
regs->ARM_r2 = stack[2]; /* r2 (envp) */ \
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index 236a06b9b7c..67b833c9b6b 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -50,6 +50,7 @@
#define PSR_F_BIT 0x00000040
#define PSR_I_BIT 0x00000080
#define PSR_A_BIT 0x00000100
+#define PSR_E_BIT 0x00000200
#define PSR_J_BIT 0x01000000
#define PSR_Q_BIT 0x08000000
#define PSR_V_BIT 0x10000000
@@ -65,6 +66,22 @@
#define PSR_x 0x0000ff00 /* Extension */
#define PSR_c 0x000000ff /* Control */
+/*
+ * ARMv7 groups of APSR bits
+ */
+#define PSR_ISET_MASK 0x01000010 /* ISA state (J, T) mask */
+#define PSR_IT_MASK 0x0600fc00 /* If-Then execution state mask */
+#define PSR_ENDIAN_MASK 0x00000200 /* Endianness state mask */
+
+/*
+ * Default endianness state
+ */
+#ifdef CONFIG_CPU_ENDIAN_BE8
+#define PSR_ENDSTATE PSR_E_BIT
+#else
+#define PSR_ENDSTATE 0
+#endif
+
#ifndef __ASSEMBLY__
/*
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index a62218013c7..c964f3fc3bc 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -40,6 +40,12 @@
#define TLB_V6_I_ASID (1 << 18)
#define TLB_BTB (1 << 28)
+
+/* Unified Inner Shareable TLB operations (ARMv7 MP extensions) */
+#define TLB_V7_UIS_PAGE (1 << 19)
+#define TLB_V7_UIS_FULL (1 << 20)
+#define TLB_V7_UIS_ASID (1 << 21)
+
#define TLB_L2CLEAN_FR (1 << 29) /* Feroceon */
#define TLB_DCLEAN (1 << 30)
#define TLB_WB (1 << 31)
@@ -176,9 +182,17 @@
# define v6wbi_always_flags (-1UL)
#endif
+#ifdef CONFIG_SMP
+#define v7wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BTB | \
+ TLB_V7_UIS_FULL | TLB_V7_UIS_PAGE | TLB_V7_UIS_ASID)
+#else
+#define v7wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BTB | \
+ TLB_V6_U_FULL | TLB_V6_U_PAGE | TLB_V6_U_ASID)
+#endif
+
#ifdef CONFIG_CPU_TLB_V7
-# define v7wbi_possible_flags v6wbi_tlb_flags
-# define v7wbi_always_flags v6wbi_tlb_flags
+# define v7wbi_possible_flags v7wbi_tlb_flags
+# define v7wbi_always_flags v7wbi_tlb_flags
# ifdef _TLB
# define MULTI_TLB 1
# else
@@ -316,6 +330,8 @@ static inline void local_flush_tlb_all(void)
asm("mcr p15, 0, %0, c8, c6, 0" : : "r" (zero) : "cc");
if (tlb_flag(TLB_V4_I_FULL | TLB_V6_I_FULL))
asm("mcr p15, 0, %0, c8, c5, 0" : : "r" (zero) : "cc");
+ if (tlb_flag(TLB_V7_UIS_FULL))
+ asm("mcr p15, 0, %0, c8, c3, 0" : : "r" (zero) : "cc");
if (tlb_flag(TLB_BTB)) {
/* flush the branch target cache */
@@ -351,6 +367,8 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
asm("mcr p15, 0, %0, c8, c6, 2" : : "r" (asid) : "cc");
if (tlb_flag(TLB_V6_I_ASID))
asm("mcr p15, 0, %0, c8, c5, 2" : : "r" (asid) : "cc");
+ if (tlb_flag(TLB_V7_UIS_ASID))
+ asm("mcr p15, 0, %0, c8, c3, 2" : : "r" (asid) : "cc");
if (tlb_flag(TLB_BTB)) {
/* flush the branch target cache */
@@ -389,6 +407,8 @@ local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
asm("mcr p15, 0, %0, c8, c6, 1" : : "r" (uaddr) : "cc");
if (tlb_flag(TLB_V6_I_PAGE))
asm("mcr p15, 0, %0, c8, c5, 1" : : "r" (uaddr) : "cc");
+ if (tlb_flag(TLB_V7_UIS_PAGE))
+ asm("mcr p15, 0, %0, c8, c3, 1" : : "r" (uaddr) : "cc");
if (tlb_flag(TLB_BTB)) {
/* flush the branch target cache */
@@ -424,6 +444,8 @@ static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
asm("mcr p15, 0, %0, c8, c6, 1" : : "r" (kaddr) : "cc");
if (tlb_flag(TLB_V6_I_PAGE))
asm("mcr p15, 0, %0, c8, c5, 1" : : "r" (kaddr) : "cc");
+ if (tlb_flag(TLB_V7_UIS_PAGE))
+ asm("mcr p15, 0, %0, c8, c3, 1" : : "r" (kaddr) : "cc");
if (tlb_flag(TLB_BTB)) {
/* flush the branch target cache */
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 83b1da6b7ba..fc8af43c500 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -482,6 +482,9 @@ __und_usr:
subeq r4, r2, #4 @ ARM instr at LR - 4
subne r4, r2, #2 @ Thumb instr at LR - 2
1: ldreqt r0, [r4]
+#ifdef CONFIG_CPU_ENDIAN_BE8
+ reveq r0, r0 @ little endian instruction
+#endif
beq call_fpe
@ Thumb instruction
#if __LINUX_ARM_ARCH__ >= 7
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index b55cb033180..366e5097a41 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -210,6 +210,9 @@ ENTRY(vector_swi)
A710( teq ip, #0x0f000000 )
A710( bne .Larm710bug )
#endif
+#ifdef CONFIG_CPU_ENDIAN_BE8
+ rev r10, r10 @ little endian instruction
+#endif
#elif defined(CONFIG_AEABI)
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index c3265a2e7cd..1585423699e 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -365,7 +365,7 @@ pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
regs.ARM_r2 = (unsigned long)fn;
regs.ARM_r3 = (unsigned long)do_exit;
regs.ARM_pc = (unsigned long)kernel_thread_helper;
- regs.ARM_cpsr = SVC_MODE;
+ regs.ARM_cpsr = SVC_MODE | PSR_ENDSTATE;
return do_fork(flags|CLONE_VM|CLONE_UNTRACED, 0, &regs, 0, NULL, NULL);
}
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 80b8b5c7e07..442b87476f9 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -426,9 +426,13 @@ setup_return(struct pt_regs *regs, struct k_sigaction *ka,
*/
thumb = handler & 1;
- if (thumb)
+ if (thumb) {
cpsr |= PSR_T_BIT;
- else
+#if __LINUX_ARM_ARCH__ >= 7
+ /* clear the If-Then Thumb-2 execution state */
+ cpsr &= ~PSR_IT_MASK;
+#endif
+ } else
cpsr &= ~PSR_T_BIT;
}
#endif
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 0d8097fa4ca..de885fd256c 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -28,6 +28,7 @@
#include <asm/atomic.h>
#include <asm/cacheflush.h>
#include <asm/cpu.h>
+#include <asm/cputype.h>
#include <asm/mmu_context.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
@@ -585,6 +586,12 @@ struct tlb_args {
unsigned long ta_end;
};
+/* all SMP configurations have the extended CPUID registers */
+static inline int tlb_ops_need_broadcast(void)
+{
+ return ((read_cpuid_ext(CPUID_EXT_MMFR3) >> 12) & 0xf) < 2;
+}
+
static inline void ipi_flush_tlb_all(void *ignored)
{
local_flush_tlb_all();
@@ -627,51 +634,61 @@ static inline void ipi_flush_tlb_kernel_range(void *arg)
void flush_tlb_all(void)
{
- on_each_cpu(ipi_flush_tlb_all, NULL, 1);
+ if (tlb_ops_need_broadcast())
+ on_each_cpu(ipi_flush_tlb_all, NULL, 1);
+ else
+ local_flush_tlb_all();
}
void flush_tlb_mm(struct mm_struct *mm)
{
- on_each_cpu_mask(ipi_flush_tlb_mm, mm, 1, &mm->cpu_vm_mask);
+ if (tlb_ops_need_broadcast())
+ on_each_cpu_mask(ipi_flush_tlb_mm, mm, 1, &mm->cpu_vm_mask);
+ else
+ local_flush_tlb_mm(mm);
}
void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
{
- struct tlb_args ta;
-
- ta.ta_vma = vma;
- ta.ta_start = uaddr;
-
- on_each_cpu_mask(ipi_flush_tlb_page, &ta, 1, &vma->vm_mm->cpu_vm_mask);
+ if (tlb_ops_need_broadcast()) {
+ struct tlb_args ta;
+ ta.ta_vma = vma;
+ ta.ta_start = uaddr;
+ on_each_cpu_mask(ipi_flush_tlb_page, &ta, 1, &vma->vm_mm->cpu_vm_mask);
+ } else
+ local_flush_tlb_page(vma, uaddr);
}
void flush_tlb_kernel_page(unsigned long kaddr)
{
- struct tlb_args ta;
-
- ta.ta_start = kaddr;
-
- on_each_cpu(ipi_flush_tlb_kernel_page, &ta, 1);
+ if (tlb_ops_need_broadcast()) {
+ struct tlb_args ta;
+ ta.ta_start = kaddr;
+ on_each_cpu(ipi_flush_tlb_kernel_page, &ta, 1);
+ } else
+ local_flush_tlb_kernel_page(kaddr);
}
void flush_tlb_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
- struct tlb_args ta;
-
- ta.ta_vma = vma;
- ta.ta_start = start;
- ta.ta_end = end;
-
- on_each_cpu_mask(ipi_flush_tlb_range, &ta, 1, &vma->vm_mm->cpu_vm_mask);
+ if (tlb_ops_need_broadcast()) {
+ struct tlb_args ta;
+ ta.ta_vma = vma;
+ ta.ta_start = start;
+ ta.ta_end = end;
+ on_each_cpu_mask(ipi_flush_tlb_range, &ta, 1, &vma->vm_mm->cpu_vm_mask);
+ } else
+ local_flush_tlb_range(vma, start, end);
}
void flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
- struct tlb_args ta;
-
- ta.ta_start = start;
- ta.ta_end = end;
-
- on_each_cpu(ipi_flush_tlb_kernel_range, &ta, 1);
+ if (tlb_ops_need_broadcast()) {
+ struct tlb_args ta;
+ ta.ta_start = start;
+ ta.ta_end = end;
+ on_each_cpu(ipi_flush_tlb_kernel_range, &ta, 1);
+ } else
+ local_flush_tlb_kernel_range(start, end);
}
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index c90f27250ea..6c077979254 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -141,6 +141,7 @@ SECTIONS
.data : AT(__data_loc) {
_data = .; /* address in memory */
+ _sdata = .;
/*
* first, the init task union, aligned
@@ -192,6 +193,7 @@ SECTIONS
__bss_start = .; /* BSS */
*(.bss)
*(COMMON)
+ __bss_stop = .;
_end = .;
}
/* Stabs debugging sections. */
diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig
index bf35cfd89f3..d4cfa214538 100644
--- a/arch/arm/mach-realview/Kconfig
+++ b/arch/arm/mach-realview/Kconfig
@@ -47,6 +47,15 @@ config MACH_REALVIEW_PB1176
help
Include support for the ARM(R) RealView ARM1176 Platform Baseboard.
+config REALVIEW_PB1176_SECURE_FLASH
+ bool "Allow access to the secure flash memory block"
+ depends on MACH_REALVIEW_PB1176
+ default n
+ help
+ Select this option if Linux will only run in secure mode on the
+ RealView PB1176 platform and access to the secure flash memory
+ block (64MB @ 0x3c000000) is required.
+
config MACH_REALVIEW_PBA8
bool "Support RealView/PB-A8 platform"
select CPU_V7
@@ -57,6 +66,13 @@ config MACH_REALVIEW_PBA8
PB-A8 is a platform with an on-board Cortex-A8 and has support for
PCI-E and Compact Flash.
+config MACH_REALVIEW_PBX
+ bool "Support RealView/PBX platform"
+ select ARM_GIC
+ select HAVE_PATA_PLATFORM
+ help
+ Include support for the ARM(R) RealView PBX platform.
+
config REALVIEW_HIGH_PHYS_OFFSET
bool "High physical base address for the RealView platform"
depends on !MACH_REALVIEW_PB1176
diff --git a/arch/arm/mach-realview/Makefile b/arch/arm/mach-realview/Makefile
index e13d0947ad0..e704edb733c 100644
--- a/arch/arm/mach-realview/Makefile
+++ b/arch/arm/mach-realview/Makefile
@@ -7,6 +7,7 @@ obj-$(CONFIG_MACH_REALVIEW_EB) += realview_eb.o
obj-$(CONFIG_MACH_REALVIEW_PB11MP) += realview_pb11mp.o
obj-$(CONFIG_MACH_REALVIEW_PB1176) += realview_pb1176.o
obj-$(CONFIG_MACH_REALVIEW_PBA8) += realview_pba8.o
+obj-$(CONFIG_MACH_REALVIEW_PBX) += realview_pbx.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index 076acbc5070..9ea9c05093c 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -48,6 +48,9 @@
#include <asm/hardware/gic.h>
+#include <mach/platform.h>
+#include <mach/irqs.h>
+
#include "core.h"
#include "clock.h"
@@ -578,21 +581,22 @@ void realview_leds_event(led_event_t ledevt)
{
unsigned long flags;
u32 val;
+ u32 led = 1 << smp_processor_id();
local_irq_save(flags);
val = readl(VA_LEDS_BASE);
switch (ledevt) {
case led_idle_start:
- val = val & ~REALVIEW_SYS_LED0;
+ val = val & ~led;
break;
case led_idle_end:
- val = val | REALVIEW_SYS_LED0;
+ val = val | led;
break;
case led_timer:
- val = val ^ REALVIEW_SYS_LED1;
+ val = val ^ REALVIEW_SYS_LED7;
break;
case led_halted:
diff --git a/arch/arm/mach-realview/include/mach/board-eb.h b/arch/arm/mach-realview/include/mach/board-eb.h
index 268d7701fa9..794a8d91a6a 100644
--- a/arch/arm/mach-realview/include/mach/board-eb.h
+++ b/arch/arm/mach-realview/include/mach/board-eb.h
@@ -62,111 +62,6 @@
#define REALVIEW_EB11MP_SYS_PLD_CTRL1 0x74 /* Register offset for MPCore sysctl */
#endif
-#define IRQ_EB_GIC_START 32
-
-/*
- * RealView EB interrupt sources
- */
-#define IRQ_EB_WDOG (IRQ_EB_GIC_START + 0) /* Watchdog timer */
-#define IRQ_EB_SOFT (IRQ_EB_GIC_START + 1) /* Software interrupt */
-#define IRQ_EB_COMMRx (IRQ_EB_GIC_START + 2) /* Debug Comm Rx interrupt */
-#define IRQ_EB_COMMTx (IRQ_EB_GIC_START + 3) /* Debug Comm Tx interrupt */
-#define IRQ_EB_TIMER0_1 (IRQ_EB_GIC_START + 4) /* Timer 0 and 1 */
-#define IRQ_EB_TIMER2_3 (IRQ_EB_GIC_START + 5) /* Timer 2 and 3 */
-#define IRQ_EB_GPIO0 (IRQ_EB_GIC_START + 6) /* GPIO 0 */
-#define IRQ_EB_GPIO1 (IRQ_EB_GIC_START + 7) /* GPIO 1 */
-#define IRQ_EB_GPIO2 (IRQ_EB_GIC_START + 8) /* GPIO 2 */
- /* 9 reserved */
-#define IRQ_EB_RTC (IRQ_EB_GIC_START + 10) /* Real Time Clock */
-#define IRQ_EB_SSP (IRQ_EB_GIC_START + 11) /* Synchronous Serial Port */
-#define IRQ_EB_UART0 (IRQ_EB_GIC_START + 12) /* UART 0 on development chip */
-#define IRQ_EB_UART1 (IRQ_EB_GIC_START + 13) /* UART 1 on development chip */
-#define IRQ_EB_UART2 (IRQ_EB_GIC_START + 14) /* UART 2 on development chip */
-#define IRQ_EB_UART3 (IRQ_EB_GIC_START + 15) /* UART 3 on development chip */
-#define IRQ_EB_SCI (IRQ_EB_GIC_START + 16) /* Smart Card Interface */
-#define IRQ_EB_MMCI0A (IRQ_EB_GIC_START + 17) /* Multimedia Card 0A */
-#define IRQ_EB_MMCI0B (IRQ_EB_GIC_START + 18) /* Multimedia Card 0B */
-#define IRQ_EB_AACI (IRQ_EB_GIC_START + 19) /* Audio Codec */
-#define IRQ_EB_KMI0 (IRQ_EB_GIC_START + 20) /* Keyboard/Mouse port 0 */
-#define IRQ_EB_KMI1 (IRQ_EB_GIC_START + 21) /* Keyboard/Mouse port 1 */
-#define IRQ_EB_CHARLCD (IRQ_EB_GIC_START + 22) /* Character LCD */
-#define IRQ_EB_CLCD (IRQ_EB_GIC_START + 23) /* CLCD controller */
-#define IRQ_EB_DMA (IRQ_EB_GIC_START + 24) /* DMA controller */
-#define IRQ_EB_PWRFAIL (IRQ_EB_GIC_START + 25) /* Power failure */
-#define IRQ_EB_PISMO (IRQ_EB_GIC_START + 26) /* PISMO interface */
-#define IRQ_EB_DoC (IRQ_EB_GIC_START + 27) /* Disk on Chip memory controller */
-#define IRQ_EB_ETH (IRQ_EB_GIC_START + 28) /* Ethernet controller */
-#define IRQ_EB_USB (IRQ_EB_GIC_START + 29) /* USB controller */
-#define IRQ_EB_TSPEN (IRQ_EB_GIC_START + 30) /* Touchscreen pen */
-#define IRQ_EB_TSKPAD (IRQ_EB_GIC_START + 31) /* Touchscreen keypad */
-
-/*
- * RealView EB + ARM11MPCore interrupt sources (primary GIC on the core tile)
- */
-#define IRQ_EB11MP_AACI (IRQ_EB_GIC_START + 0)
-#define IRQ_EB11MP_TIMER0_1 (IRQ_EB_GIC_START + 1)
-#define IRQ_EB11MP_TIMER2_3 (IRQ_EB_GIC_START + 2)
-#define IRQ_EB11MP_USB (IRQ_EB_GIC_START + 3)
-#define IRQ_EB11MP_UART0 (IRQ_EB_GIC_START + 4)
-#define IRQ_EB11MP_UART1 (IRQ_EB_GIC_START + 5)
-#define IRQ_EB11MP_RTC (IRQ_EB_GIC_START + 6)
-#define IRQ_EB11MP_KMI0 (IRQ_EB_GIC_START + 7)
-#define IRQ_EB11MP_KMI1 (IRQ_EB_GIC_START + 8)
-#define IRQ_EB11MP_ETH (IRQ_EB_GIC_START + 9)
-#define IRQ_EB11MP_EB_IRQ1 (IRQ_EB_GIC_START + 10) /* main GIC */
-#define IRQ_EB11MP_EB_IRQ2 (IRQ_EB_GIC_START + 11) /* tile GIC */
-#define IRQ_EB11MP_EB_FIQ1 (IRQ_EB_GIC_START + 12) /* main GIC */
-#define IRQ_EB11MP_EB_FIQ2 (IRQ_EB_GIC_START + 13) /* tile GIC */
-#define IRQ_EB11MP_MMCI0A (IRQ_EB_GIC_START + 14)
-#define IRQ_EB11MP_MMCI0B (IRQ_EB_GIC_START + 15)
-
-#define IRQ_EB11MP_PMU_CPU0 (IRQ_EB_GIC_START + 17)
-#define IRQ_EB11MP_PMU_CPU1 (IRQ_EB_GIC_START + 18)
-#define IRQ_EB11MP_PMU_CPU2 (IRQ_EB_GIC_START + 19)
-#define IRQ_EB11MP_PMU_CPU3 (IRQ_EB_GIC_START + 20)
-#define IRQ_EB11MP_PMU_SCU0 (IRQ_EB_GIC_START + 21)
-#define IRQ_EB11MP_PMU_SCU1 (IRQ_EB_GIC_START + 22)
-#define IRQ_EB11MP_PMU_SCU2 (IRQ_EB_GIC_START + 23)
-#define IRQ_EB11MP_PMU_SCU3 (IRQ_EB_GIC_START + 24)
-#define IRQ_EB11MP_PMU_SCU4 (IRQ_EB_GIC_START + 25)
-#define IRQ_EB11MP_PMU_SCU5 (IRQ_EB_GIC_START + 26)
-#define IRQ_EB11MP_PMU_SCU6 (IRQ_EB_GIC_START + 27)
-#define IRQ_EB11MP_PMU_SCU7 (IRQ_EB_GIC_START + 28)
-
-#define IRQ_EB11MP_L220_EVENT (IRQ_EB_GIC_START + 29)
-#define IRQ_EB11MP_L220_SLAVE (IRQ_EB_GIC_START + 30)
-#define IRQ_EB11MP_L220_DECODE (IRQ_EB_GIC_START + 31)
-
-#define IRQ_EB11MP_UART2 -1
-#define IRQ_EB11MP_UART3 -1
-#define IRQ_EB11MP_CLCD -1
-#define IRQ_EB11MP_DMA -1
-#define IRQ_EB11MP_WDOG -1
-#define IRQ_EB11MP_GPIO0 -1
-#define IRQ_EB11MP_GPIO1 -1
-#define IRQ_EB11MP_GPIO2 -1
-#define IRQ_EB11MP_SCI -1
-#define IRQ_EB11MP_SSP -1
-
-#define NR_GIC_EB11MP 2
-
-/*
- * Only define NR_IRQS if less than NR_IRQS_EB
- */
-#define NR_IRQS_EB (IRQ_EB_GIC_START + 96)
-
-#if defined(CONFIG_MACH_REALVIEW_EB) \
- && (!defined(NR_IRQS) || (NR_IRQS < NR_IRQS_EB))
-#undef NR_IRQS
-#define NR_IRQS NR_IRQS_EB
-#endif
-