summaryrefslogtreecommitdiff
path: root/arch/arm/include/asm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/include/asm')
-rw-r--r--arch/arm/include/asm/assembler.h35
-rw-r--r--arch/arm/include/asm/cache.h2
-rw-r--r--arch/arm/include/asm/clkdev.h22
-rw-r--r--arch/arm/include/asm/dma-mapping.h93
-rw-r--r--arch/arm/include/asm/domain.h31
-rw-r--r--arch/arm/include/asm/entry-macro-multi.S44
-rw-r--r--arch/arm/include/asm/futex.h9
-rw-r--r--arch/arm/include/asm/hardirq.h18
-rw-r--r--arch/arm/include/asm/localtimer.h12
-rw-r--r--arch/arm/include/asm/mach/arch.h9
-rw-r--r--arch/arm/include/asm/mach/irq.h8
-rw-r--r--arch/arm/include/asm/mach/time.h1
-rw-r--r--arch/arm/include/asm/smp.h17
-rw-r--r--arch/arm/include/asm/smp_mpidr.h17
-rw-r--r--arch/arm/include/asm/smp_twd.h1
-rw-r--r--arch/arm/include/asm/system.h7
-rw-r--r--arch/arm/include/asm/traps.h2
-rw-r--r--arch/arm/include/asm/uaccess.h16
18 files changed, 239 insertions, 105 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 749bb6622404..bc2d2d75f706 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -18,6 +18,7 @@
#endif
#include <asm/ptrace.h>
+#include <asm/domain.h>
/*
* Endian independent macros for shifting bytes within registers.
@@ -157,16 +158,24 @@
#ifdef CONFIG_SMP
#define ALT_SMP(instr...) \
9998: instr
+/*
+ * Note: if you get assembler errors from ALT_UP() when building with
+ * CONFIG_THUMB2_KERNEL, you almost certainly need to use
+ * ALT_SMP( W(instr) ... )
+ */
#define ALT_UP(instr...) \
.pushsection ".alt.smp.init", "a" ;\
.long 9998b ;\
- instr ;\
+9997: instr ;\
+ .if . - 9997b != 4 ;\
+ .error "ALT_UP() content must assemble to exactly 4 bytes";\
+ .endif ;\
.popsection
#define ALT_UP_B(label) \
.equ up_b_offset, label - 9998b ;\
.pushsection ".alt.smp.init", "a" ;\
.long 9998b ;\
- b . + up_b_offset ;\
+ W(b) . + up_b_offset ;\
.popsection
#else
#define ALT_SMP(instr...)
@@ -177,16 +186,24 @@
/*
* SMP data memory barrier
*/
- .macro smp_dmb
+ .macro smp_dmb mode
#ifdef CONFIG_SMP
#if __LINUX_ARM_ARCH__ >= 7
+ .ifeqs "\mode","arm"
ALT_SMP(dmb)
+ .else
+ ALT_SMP(W(dmb))
+ .endif
#elif __LINUX_ARM_ARCH__ == 6
ALT_SMP(mcr p15, 0, r0, c7, c10, 5) @ dmb
#else
#error Incompatible SMP platform
#endif
+ .ifeqs "\mode","arm"
ALT_UP(nop)
+ .else
+ ALT_UP(W(nop))
+ .endif
#endif
.endm
@@ -206,12 +223,12 @@
*/
#ifdef CONFIG_THUMB2_KERNEL
- .macro usraccoff, instr, reg, ptr, inc, off, cond, abort
+ .macro usraccoff, instr, reg, ptr, inc, off, cond, abort, t=T()
9999:
.if \inc == 1
- \instr\cond\()bt \reg, [\ptr, #\off]
+ \instr\cond\()b\()\t\().w \reg, [\ptr, #\off]
.elseif \inc == 4
- \instr\cond\()t \reg, [\ptr, #\off]
+ \instr\cond\()\t\().w \reg, [\ptr, #\off]
.else
.error "Unsupported inc macro argument"
.endif
@@ -246,13 +263,13 @@
#else /* !CONFIG_THUMB2_KERNEL */
- .macro usracc, instr, reg, ptr, inc, cond, rept, abort
+ .macro usracc, instr, reg, ptr, inc, cond, rept, abort, t=T()
.rept \rept
9999:
.if \inc == 1
- \instr\cond\()bt \reg, [\ptr], #\inc
+ \instr\cond\()b\()\t \reg, [\ptr], #\inc
.elseif \inc == 4
- \instr\cond\()t \reg, [\ptr], #\inc
+ \instr\cond\()\t \reg, [\ptr], #\inc
.else
.error "Unsupported inc macro argument"
.endif
diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h
index 9d6122096fbe..75fe66bc02b4 100644
--- a/arch/arm/include/asm/cache.h
+++ b/arch/arm/include/asm/cache.h
@@ -23,4 +23,6 @@
#define ARCH_SLAB_MINALIGN 8
#endif
+#define __read_mostly __attribute__((__section__(".data..read_mostly")))
+
#endif
diff --git a/arch/arm/include/asm/clkdev.h b/arch/arm/include/asm/clkdev.h
index b56c1389b6fa..765d33222369 100644
--- a/arch/arm/include/asm/clkdev.h
+++ b/arch/arm/include/asm/clkdev.h
@@ -12,23 +12,13 @@
#ifndef __ASM_CLKDEV_H
#define __ASM_CLKDEV_H
-struct clk;
-struct device;
+#include <linux/slab.h>
-struct clk_lookup {
- struct list_head node;
- const char *dev_id;
- const char *con_id;
- struct clk *clk;
-};
+#include <mach/clkdev.h>
-struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
- const char *dev_fmt, ...);
-
-void clkdev_add(struct clk_lookup *cl);
-void clkdev_drop(struct clk_lookup *cl);
-
-void clkdev_add_table(struct clk_lookup *, size_t);
-int clk_add_alias(const char *, const char *, char *, struct device *);
+static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size)
+{
+ return kzalloc(size, GFP_KERNEL);
+}
#endif
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index c568da7dcae4..4fff837363ed 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -5,24 +5,29 @@
#include <linux/mm_types.h>
#include <linux/scatterlist.h>
+#include <linux/dma-debug.h>
#include <asm-generic/dma-coherent.h>
#include <asm/memory.h>
+#ifdef __arch_page_to_dma
+#error Please update to __arch_pfn_to_dma
+#endif
+
/*
- * page_to_dma/dma_to_virt/virt_to_dma are architecture private functions
- * used internally by the DMA-mapping API to provide DMA addresses. They
- * must not be used by drivers.
+ * dma_to_pfn/pfn_to_dma/dma_to_virt/virt_to_dma are architecture private
+ * functions used internally by the DMA-mapping API to provide DMA
+ * addresses. They must not be used by drivers.
*/
-#ifndef __arch_page_to_dma
-static inline dma_addr_t page_to_dma(struct device *dev, struct page *page)
+#ifndef __arch_pfn_to_dma
+static inline dma_addr_t pfn_to_dma(struct device *dev, unsigned long pfn)
{
- return (dma_addr_t)__pfn_to_bus(page_to_pfn(page));
+ return (dma_addr_t)__pfn_to_bus(pfn);
}
-static inline struct page *dma_to_page(struct device *dev, dma_addr_t addr)
+static inline unsigned long dma_to_pfn(struct device *dev, dma_addr_t addr)
{
- return pfn_to_page(__bus_to_pfn(addr));
+ return __bus_to_pfn(addr);
}
static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
@@ -35,14 +40,14 @@ static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
return (dma_addr_t)__virt_to_bus((unsigned long)(addr));
}
#else
-static inline dma_addr_t page_to_dma(struct device *dev, struct page *page)
+static inline dma_addr_t pfn_to_dma(struct device *dev, unsigned long pfn)
{
- return __arch_page_to_dma(dev, page);
+ return __arch_pfn_to_dma(dev, pfn);
}
-static inline struct page *dma_to_page(struct device *dev, dma_addr_t addr)
+static inline unsigned long dma_to_pfn(struct device *dev, dma_addr_t addr)
{
- return __arch_dma_to_page(dev, addr);
+ return __arch_dma_to_pfn(dev, addr);
}
static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
@@ -293,13 +298,13 @@ extern int dma_needs_bounce(struct device*, dma_addr_t, size_t);
/*
* The DMA API, implemented by dmabounce.c. See below for descriptions.
*/
-extern dma_addr_t dma_map_single(struct device *, void *, size_t,
+extern dma_addr_t __dma_map_single(struct device *, void *, size_t,
enum dma_data_direction);
-extern void dma_unmap_single(struct device *, dma_addr_t, size_t,
+extern void __dma_unmap_single(struct device *, dma_addr_t, size_t,
enum dma_data_direction);
-extern dma_addr_t dma_map_page(struct device *, struct page *,
+extern dma_addr_t __dma_map_page(struct device *, struct page *,
unsigned long, size_t, enum dma_data_direction);
-extern void dma_unmap_page(struct device *, dma_addr_t, size_t,
+extern void __dma_unmap_page(struct device *, dma_addr_t, size_t,
enum dma_data_direction);
/*
@@ -323,6 +328,34 @@ static inline int dmabounce_sync_for_device(struct device *d, dma_addr_t addr,
}
+static inline dma_addr_t __dma_map_single(struct device *dev, void *cpu_addr,
+ size_t size, enum dma_data_direction dir)
+{
+ __dma_single_cpu_to_dev(cpu_addr, size, dir);
+ return virt_to_dma(dev, cpu_addr);
+}
+
+static inline dma_addr_t __dma_map_page(struct device *dev, struct page *page,
+ unsigned long offset, size_t size, enum dma_data_direction dir)
+{
+ __dma_page_cpu_to_dev(page, offset, size, dir);
+ return pfn_to_dma(dev, page_to_pfn(page)) + offset;
+}
+
+static inline void __dma_unmap_single(struct device *dev, dma_addr_t handle,
+ size_t size, enum dma_data_direction dir)
+{
+ __dma_single_dev_to_cpu(dma_to_virt(dev, handle), size, dir);
+}
+
+static inline void __dma_unmap_page(struct device *dev, dma_addr_t handle,
+ size_t size, enum dma_data_direction dir)
+{
+ __dma_page_dev_to_cpu(pfn_to_page(dma_to_pfn(dev, handle)),
+ handle & ~PAGE_MASK, size, dir);
+}
+#endif /* CONFIG_DMABOUNCE */
+
/**
* dma_map_single - map a single buffer for streaming DMA
* @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
@@ -340,11 +373,16 @@ static inline int dmabounce_sync_for_device(struct device *d, dma_addr_t addr,
static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
size_t size, enum dma_data_direction dir)
{
+ dma_addr_t addr;
+
BUG_ON(!valid_dma_direction(dir));
- __dma_single_cpu_to_dev(cpu_addr, size, dir);
+ addr = __dma_map_single(dev, cpu_addr, size, dir);
+ debug_dma_map_page(dev, virt_to_page(cpu_addr),
+ (unsigned long)cpu_addr & ~PAGE_MASK, size,
+ dir, addr, true);
- return virt_to_dma(dev, cpu_addr);
+ return addr;
}
/**
@@ -364,11 +402,14 @@ static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size, enum dma_data_direction dir)
{
+ dma_addr_t addr;
+
BUG_ON(!valid_dma_direction(dir));
- __dma_page_cpu_to_dev(page, offset, size, dir);
+ addr = __dma_map_page(dev, page, offset, size, dir);
+ debug_dma_map_page(dev, page, offset, size, dir, addr, false);
- return page_to_dma(dev, page) + offset;
+ return addr;
}
/**
@@ -388,7 +429,8 @@ static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
static inline void dma_unmap_single(struct device *dev, dma_addr_t handle,
size_t size, enum dma_data_direction dir)
{
- __dma_single_dev_to_cpu(dma_to_virt(dev, handle), size, dir);
+ debug_dma_unmap_page(dev, handle, size, dir, true);
+ __dma_unmap_single(dev, handle, size, dir);
}
/**
@@ -408,10 +450,9 @@ static inline void dma_unmap_single(struct device *dev, dma_addr_t handle,
static inline void dma_unmap_page(struct device *dev, dma_addr_t handle,
size_t size, enum dma_data_direction dir)
{
- __dma_page_dev_to_cpu(dma_to_page(dev, handle), handle & ~PAGE_MASK,
- size, dir);
+ debug_dma_unmap_page(dev, handle, size, dir, false);
+ __dma_unmap_page(dev, handle, size, dir);
}
-#endif /* CONFIG_DMABOUNCE */
/**
* dma_sync_single_range_for_cpu
@@ -437,6 +478,8 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev,
{
BUG_ON(!valid_dma_direction(dir));
+ debug_dma_sync_single_for_cpu(dev, handle + offset, size, dir);
+
if (!dmabounce_sync_for_cpu(dev, handle, offset, size, dir))
return;
@@ -449,6 +492,8 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
{
BUG_ON(!valid_dma_direction(dir));
+ debug_dma_sync_single_for_device(dev, handle + offset, size, dir);
+
if (!dmabounce_sync_for_device(dev, handle, offset, size, dir))
return;
diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h
index cc7ef4080711..af18ceaacf5d 100644
--- a/arch/arm/include/asm/domain.h
+++ b/arch/arm/include/asm/domain.h
@@ -45,13 +45,17 @@
*/
#define DOMAIN_NOACCESS 0
#define DOMAIN_CLIENT 1
+#ifdef CONFIG_CPU_USE_DOMAINS
#define DOMAIN_MANAGER 3
+#else
+#define DOMAIN_MANAGER 1
+#endif
#define domain_val(dom,type) ((type) << (2*(dom)))
#ifndef __ASSEMBLY__
-#ifdef CONFIG_MMU
+#ifdef CONFIG_CPU_USE_DOMAINS
#define set_domain(x) \
do { \
__asm__ __volatile__( \
@@ -74,5 +78,28 @@
#define modify_domain(dom,type) do { } while (0)
#endif
+/*
+ * Generate the T (user) versions of the LDR/STR and related
+ * instructions (inline assembly)
+ */
+#ifdef CONFIG_CPU_USE_DOMAINS
+#define T(instr) #instr "t"
+#else
+#define T(instr) #instr
#endif
-#endif /* !__ASSEMBLY__ */
+
+#else /* __ASSEMBLY__ */
+
+/*
+ * Generate the T (user) versions of the LDR/STR and related
+ * instructions
+ */
+#ifdef CONFIG_CPU_USE_DOMAINS
+#define T(instr) instr ## t
+#else
+#define T(instr) instr
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* !__ASM_PROC_DOMAIN_H */
diff --git a/arch/arm/include/asm/entry-macro-multi.S b/arch/arm/include/asm/entry-macro-multi.S
new file mode 100644
index 000000000000..ec0bbf79c71f
--- /dev/null
+++ b/arch/arm/include/asm/entry-macro-multi.S
@@ -0,0 +1,44 @@
+/*
+ * Interrupt handling. Preserves r7, r8, r9
+ */
+ .macro arch_irq_handler_default
+ get_irqnr_preamble r5, lr
+1: get_irqnr_and_base r0, r6, r5, lr
+ movne r1, sp
+ @
+ @ routine called with r0 = irq number, r1 = struct pt_regs *
+ @
+ adrne lr, BSYM(1b)
+ bne asm_do_IRQ
+
+#ifdef CONFIG_SMP
+ /*
+ * XXX
+ *
+ * this macro assumes that irqstat (r6) and base (r5) are
+ * preserved from get_irqnr_and_base above
+ */
+ ALT_SMP(test_for_ipi r0, r6, r5, lr)
+ ALT_UP_B(9997f)
+ movne r1, sp
+ adrne lr, BSYM(1b)
+ bne do_IPI
+
+#ifdef CONFIG_LOCAL_TIMERS
+ test_for_ltirq r0, r6, r5, lr
+ movne r0, sp
+ adrne lr, BSYM(1b)
+ bne do_local_timer
+#endif
+#endif
+9997:
+ .endm
+
+ .macro arch_irq_handler, symbol_name
+ .align 5
+ .global \symbol_name
+\symbol_name:
+ mov r4, lr
+ arch_irq_handler_default
+ mov pc, r4
+ .endm
diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h
index 540a044153a5..b33fe7065b38 100644
--- a/arch/arm/include/asm/futex.h
+++ b/arch/arm/include/asm/futex.h
@@ -13,12 +13,13 @@
#include <linux/preempt.h>
#include <linux/uaccess.h>
#include <asm/errno.h>
+#include <asm/domain.h>
#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
__asm__ __volatile__( \
- "1: ldrt %1, [%2]\n" \
+ "1: " T(ldr) " %1, [%2]\n" \
" " insn "\n" \
- "2: strt %0, [%2]\n" \
+ "2: " T(str) " %0, [%2]\n" \
" mov %0, #0\n" \
"3:\n" \
" .pushsection __ex_table,\"a\"\n" \
@@ -97,10 +98,10 @@ futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
pagefault_disable(); /* implies preempt_disable() */
__asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n"
- "1: ldrt %0, [%3]\n"
+ "1: " T(ldr) " %0, [%3]\n"
" teq %0, %1\n"
" it eq @ explicit IT needed for the 2b label\n"
- "2: streqt %2, [%3]\n"
+ "2: " T(streq) " %2, [%3]\n"
"3:\n"
" .pushsection __ex_table,\"a\"\n"
" .align 3\n"
diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h
index 6d7485aff955..89ad1805e579 100644
--- a/arch/arm/include/asm/hardirq.h
+++ b/arch/arm/include/asm/hardirq.h
@@ -5,13 +5,31 @@
#include <linux/threads.h>
#include <asm/irq.h>
+#define NR_IPI 5
+
typedef struct {
unsigned int __softirq_pending;
+#ifdef CONFIG_LOCAL_TIMERS
unsigned int local_timer_irqs;
+#endif
+#ifdef CONFIG_SMP
+ unsigned int ipi_irqs[NR_IPI];
+#endif
} ____cacheline_aligned irq_cpustat_t;
#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
+#define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++
+#define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member)
+
+#ifdef CONFIG_SMP
+u64 smp_irq_stat_cpu(unsigned int cpu);
+#else
+#define smp_irq_stat_cpu(cpu) 0
+#endif
+
+#define arch_irq_stat_cpu smp_irq_stat_cpu
+
#if NR_IRQS > 512
#define HARDIRQ_BITS 10
#elif NR_IRQS > 256
diff --git a/arch/arm/include/asm/localtimer.h b/arch/arm/include/asm/localtimer.h
index 50c7e7cfd670..6bc63ab498ce 100644
--- a/arch/arm/include/asm/localtimer.h
+++ b/arch/arm/include/asm/localtimer.h
@@ -30,7 +30,6 @@ asmlinkage void do_local_timer(struct pt_regs *);
#include "smp_twd.h"
#define local_timer_ack() twd_timer_ack()
-#define local_timer_stop() twd_timer_stop()
#else
@@ -40,11 +39,6 @@ asmlinkage void do_local_timer(struct pt_regs *);
*/
int local_timer_ack(void);
-/*
- * Stop a local timer interrupt.
- */
-void local_timer_stop(void);
-
#endif
/*
@@ -52,12 +46,6 @@ void local_timer_stop(void);
*/
void local_timer_setup(struct clock_event_device *);
-#else
-
-static inline void local_timer_stop(void)
-{
-}
-
#endif
#endif
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index d97a964207fa..3a0893a76a3b 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -37,12 +37,21 @@ struct machine_desc {
struct meminfo *);
void (*reserve)(void);/* reserve mem blocks */
void (*map_io)(void);/* IO mapping function */
+ void (*init_early)(void);
void (*init_irq)(void);
struct sys_timer *timer; /* system tick timer */
void (*init_machine)(void);
+#ifdef CONFIG_MULTI_IRQ_HANDLER
+ void (*handle_irq)(struct pt_regs *);
+#endif
};
/*
+ * Current machine - only accessible during boot.
+ */
+extern struct machine_desc *machine_desc;
+
+/*
* Set of macros to define architecture features. This is built into
* a table by the linker.
*/
diff --git a/arch/arm/include/asm/mach/irq.h b/arch/arm/include/asm/mach/irq.h
index ce3eee9fe26c..22ac140edd9e 100644
--- a/arch/arm/include/asm/mach/irq.h
+++ b/arch/arm/include/asm/mach/irq.h
@@ -17,10 +17,12 @@ struct seq_file;
/*
* This is internal. Do not use it.
*/
-extern unsigned int arch_nr_irqs;
-extern void (*init_arch_irq)(void);
extern void init_FIQ(void);
-extern int show_fiq_list(struct seq_file *, void *);
+extern int show_fiq_list(struct seq_file *, int);
+
+#ifdef CONFIG_MULTI_IRQ_HANDLER
+extern void (*handle_arch_irq)(struct pt_regs *);
+#endif
/*
* This is for easy migration, but should be changed in the source
diff --git a/arch/arm/include/asm/mach/time.h b/arch/arm/include/asm/mach/time.h
index 35d408f6dccf..883f6be5117a 100644
--- a/arch/arm/include/asm/mach/time.h
+++ b/arch/arm/include/asm/mach/time.h
@@ -43,7 +43,6 @@ struct sys_timer {
#endif
};
-extern struct sys_timer *system_timer;
extern void timer_tick(void);
#endif
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index 3d05190797cb..96ed521f2408 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -33,27 +33,23 @@ struct seq_file;
/*
* generate IPI list text
*/
-extern void show_ipi_list(struct seq_file *p);
+extern void show_ipi_list(struct seq_file *, int);
/*
* Called from assembly code, this handles an IPI.
*/
-asmlinkage void do_IPI(struct pt_regs *regs);
+asmlinkage void do_IPI(int ipinr, struct pt_regs *regs);
/*
* Setup the set of possible CPUs (via set_cpu_possible)
*/
extern void smp_init_cpus(void);
-/*
- * Move global data into per-processor storage.
- */
-extern void smp_store_cpu_info(unsigned int cpuid);
/*
* Raise an IPI cross call on CPUs in callmap.
*/
-extern void smp_cross_call(const struct cpumask *mask);
+extern void smp_cross_call(const struct cpumask *mask, int ipi);
/*
* Boot a secondary CPU, and assign it the specified idle task.
@@ -73,6 +69,11 @@ asmlinkage void secondary_start_kernel(void);
extern void platform_secondary_init(unsigned int cpu);
/*
+ * Initialize cpu_possible map, and enable coherency
+ */
+extern void platform_smp_prepare_cpus(unsigned int);
+
+/*
* Initial data for bringing up a secondary CPU.
*/
struct secondary_data {
@@ -97,6 +98,6 @@ extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
/*
* show local interrupt info
*/
-extern void show_local_irqs(struct seq_file *);
+extern void show_local_irqs(struct seq_file *, int);
#endif /* ifndef __ASM_ARM_SMP_H */
diff --git a/arch/arm/include/asm/smp_mpidr.h b/arch/arm/include/asm/smp_mpidr.h
deleted file mode 100644
index 6a9307d64900..000000000000
--- a/arch/arm/include/asm/smp_mpidr.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef ASMARM_SMP_MIDR_H
-#define ASMARM_SMP_MIDR_H
-
-#define hard_smp_processor_id() \
- ({ \
- unsigned int cpunum; \
- __asm__("\n" \
- "1: mrc p15, 0, %0, c0, c0, 5\n" \
- " .pushsection \".alt.smp.init\", \"a\"\n"\
- " .long 1b\n" \
- " mov %0, #0\n" \
- " .popsection" \
- : "=r" (cpunum)); \
- cpunum &= 0x0F; \
- })
-
-#endif
diff --git a/arch/arm/include/asm/smp_twd.h b/arch/arm/include/asm/smp_twd.h
index 634f357be6bb..fed9981fba08 100644
--- a/arch/arm/include/asm/smp_twd.h
+++ b/arch/arm/include/asm/smp_twd.h
@@ -22,7 +22,6 @@ struct clock_event_device;
extern void __iomem *twd_base;
-void twd_timer_stop(void);
int twd_timer_ack(void);
void twd_timer_setup(struct clock_event_device *);
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index 3222ab8b3447..97f6d60297d5 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -124,6 +124,13 @@ extern unsigned int user_debug;
#define vectors_high() (0)
#endif
+#if __LINUX_ARM_ARCH__ >= 7 || \
+ (__LINUX_ARM_ARCH__ == 6 && defined(CONFIG_CPU_32v6K))
+#define sev() __asm__ __volatile__ ("sev" : : : "memory")
+#define wfe() __asm__ __volatile__ ("wfe" : : : "memory")
+#define wfi() __asm__ __volatile__ ("wfi" : : : "memory")
+#endif
+
#if __LINUX_ARM_ARCH__ >= 7
#define isb() __asm__ __volatile__ ("isb" : : : "memory")
#define dsb() __asm__ __volatile__ ("dsb" : : : "memory")
diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h
index 124475afb007..1b960d5ef6a5 100644
--- a/arch/arm/include/asm/traps.h
+++ b/arch/arm/include/asm/traps.h
@@ -46,4 +46,6 @@ static inline int in_exception_text(unsigned long ptr)
extern void __init early_trap_init(void);
extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame);
+extern void *vectors_page;
+
#endif
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 33e4a48fe103..b293616a1a1a 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -227,7 +227,7 @@ do { \
#define __get_user_asm_byte(x,addr,err) \
__asm__ __volatile__( \
- "1: ldrbt %1,[%2]\n" \
+ "1: " T(ldrb) " %1,[%2],#0\n" \
"2:\n" \
" .pushsection .fixup,\"ax\"\n" \
" .align 2\n" \
@@ -263,7 +263,7 @@ do { \
#define __get_user_asm_word(x,addr,err) \
__asm__ __volatile__( \
- "1: ldrt %1,[%2]\n" \
+ "1: " T(ldr) " %1,[%2],#0\n" \
"2:\n" \
" .pushsection .fixup,\"ax\"\n" \
" .align 2\n" \
@@ -308,7 +308,7 @@ do { \
#define __put_user_asm_byte(x,__pu_addr,err) \
__asm__ __volatile__( \
- "1: strbt %1,[%2]\n" \
+ "1: " T(strb) " %1,[%2],#0\n" \
"2:\n" \
" .pushsection .fixup,\"ax\"\n" \
" .align 2\n" \
@@ -341,7 +341,7 @@ do { \
#define __put_user_asm_word(x,__pu_addr,err) \
__asm__ __volatile__( \
- "1: strt %1,[%2]\n" \
+ "1: " T(str) " %1,[%2],#0\n" \
"2:\n" \
" .pushsection .fixup,\"ax\"\n" \
" .align 2\n" \
@@ -366,10 +366,10 @@ do { \
#define __put_user_asm_dword(x,__pu_addr,err) \
__asm__ __volatile__( \
- ARM( "1: strt " __reg_oper1 ", [%1], #4\n" ) \
- ARM( "2: strt " __reg_oper0 ", [%1]\n" ) \
- THUMB( "1: strt " __reg_oper1 ", [%1]\n" ) \
- THUMB( "2: strt " __reg_oper0 ", [%1, #4]\n" ) \
+ ARM( "1: " T(str) " " __reg_oper1 ", [%1], #4\n" ) \
+ ARM( "2: " T(str) " " __reg_oper0 ", [%1]\n" ) \
+ THUMB( "1: " T(str) " " __reg_oper1 ", [%1]\n" ) \
+ THUMB( "2: " T(str) " " __reg_oper0 ", [%1, #4]\n" ) \
"3:\n" \
" .pushsection .fixup,\"ax\"\n" \
" .align 2\n" \