Merge commit 'origin/master' into next

Manual merge of:
	arch/powerpc/include/asm/elf.h
	drivers/i2c/busses/i2c-mpc.c

28 files changed, 336 insertions, 73 deletions

diff --git a/arch/arm/include/asm/a.out.h b/arch/arm/include/asm/a.out.h
index 79489fdcc8b8..083894b2e3bc 100644
--- a/arch/arm/include/asm/a.out.h
+++ b/arch/arm/include/asm/a.out.h
@@ -2,7 +2,7 @@
 #define __ARM_A_OUT_H__
 
 #include <linux/personality.h>
-#include <asm/types.h>
+#include <linux/types.h>
 
 struct exec
 {
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 6cbd8fdc9f1f..bb7d695f3900 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -46,6 +46,14 @@
 # define MULTI_CACHE 1
 #endif
 
+#if defined(CONFIG_CPU_FA526)
+# ifdef _CACHE
+#  define MULTI_CACHE 1
+# else
+#  define _CACHE fa
+# endif
+#endif
+
 #if defined(CONFIG_CPU_ARM926T)
 # ifdef _CACHE
 #  define MULTI_CACHE 1
@@ -94,6 +102,14 @@
 # endif
 #endif
 
+#if defined(CONFIG_CPU_MOHAWK)
+# ifdef _CACHE
+#  define MULTI_CACHE 1
+# else
+#  define _CACHE mohawk
+# endif
+#endif
+
 #if defined(CONFIG_CPU_FEROCEON)
 # define MULTI_CACHE 1
 #endif
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 22cb14ec3438..ff46dfa68a97 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -15,10 +15,20 @@
  * must not be used by drivers.
  */
 #ifndef __arch_page_to_dma
+
+#if !defined(CONFIG_HIGHMEM)
 static inline dma_addr_t page_to_dma(struct device *dev, struct page *page)
 {
 	return (dma_addr_t)__virt_to_bus((unsigned long)page_address(page));
 }
+#elif defined(__pfn_to_bus)
+static inline dma_addr_t page_to_dma(struct device *dev, struct page *page)
+{
+	return (dma_addr_t)__pfn_to_bus(page_to_pfn(page));
+}
+#else
+#error "this machine class needs to define __arch_page_to_dma to use HIGHMEM"
+#endif
 
 static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
 {
@@ -57,6 +67,8 @@ static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
  * Use the driver DMA support - see dma-mapping.h (dma_sync_*)
  */
 extern void dma_cache_maint(const void *kaddr, size_t size, int rw);
+extern void dma_cache_maint_page(struct page *page, unsigned long offset,
+				 size_t size, int rw);
 
 /*
  * Return whether the given device DMA address mask can be supported
@@ -316,7 +328,7 @@ static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
 	BUG_ON(!valid_dma_direction(dir));
 
 	if (!arch_is_coherent())
-		dma_cache_maint(page_address(page) + offset, size, dir);
+		dma_cache_maint_page(page, offset, size, dir);
 
 	return page_to_dma(dev, page) + offset;
 }
diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h
index df5638f3643a..7edf3536df24 100644
--- a/arch/arm/include/asm/dma.h
+++ b/arch/arm/include/asm/dma.h
@@ -19,21 +19,17 @@
 #include <asm/system.h>
 #include <asm/scatterlist.h>
 
-typedef unsigned int dmach_t;
-
 #include <mach/isa-dma.h>
 
 /*
- * DMA modes
+ * The DMA modes reflect the settings for the ISA DMA controller
  */
-typedef unsigned int dmamode_t;
-
-#define DMA_MODE_MASK	3
+#define DMA_MODE_MASK	 0xcc
 
-#define DMA_MODE_READ	 0
-#define DMA_MODE_WRITE	 1
-#define DMA_MODE_CASCADE 2
-#define DMA_AUTOINIT	 4
+#define DMA_MODE_READ	 0x44
+#define DMA_MODE_WRITE	 0x48
+#define DMA_MODE_CASCADE 0xc0
+#define DMA_AUTOINIT	 0x10
 
 extern spinlock_t  dma_spin_lock;
 
@@ -52,44 +48,44 @@ static inline void release_dma_lock(unsigned long flags)
 /* Clear the 'DMA Pointer Flip Flop'.
  * Write 0 for LSB/MSB, 1 for MSB/LSB access.
  */
-#define clear_dma_ff(channel)
+#define clear_dma_ff(chan)
 
 /* Set only the page register bits of the transfer address.
  *
  * NOTE: This is an architecture specific function, and should
  *       be hidden from the drivers
  */
-extern void set_dma_page(dmach_t channel, char pagenr);
+extern void set_dma_page(unsigned int chan, char pagenr);
 
 /* Request a DMA channel
  *
  * Some architectures may need to do allocate an interrupt
  */
-extern int  request_dma(dmach_t channel, const char * device_id);
+extern int  request_dma(unsigned int chan, const char * device_id);
 
 /* Free a DMA channel
  *
  * Some architectures may need to do free an interrupt
  */
-extern void free_dma(dmach_t channel);
+extern void free_dma(unsigned int chan);
 
 /* Enable DMA for this channel
  *
  * On some architectures, this may have other side effects like
  * enabling an interrupt and setting the DMA registers.
  */
-extern void enable_dma(dmach_t channel);
+extern void enable_dma(unsigned int chan);
 
 /* Disable DMA for this channel
  *
  * On some architectures, this may have other side effects like
  * disabling an interrupt or whatever.
  */
-extern void disable_dma(dmach_t channel);
+extern void disable_dma(unsigned int chan);
 
 /* Test whether the specified channel has an active DMA transfer
  */
-extern int dma_channel_active(dmach_t channel);
+extern int dma_channel_active(unsigned int chan);
 
 /* Set the DMA scatter gather list for this channel
  *
@@ -97,7 +93,7 @@ extern int dma_channel_active(dmach_t channel);
  * especially since some DMA architectures don't update the
  * DMA address immediately, but defer it to the enable_dma().
  */
-extern void set_dma_sg(dmach_t channel, struct scatterlist *sg, int nr_sg);
+extern void set_dma_sg(unsigned int chan, struct scatterlist *sg, int nr_sg);
 
 /* Set the DMA address for this channel
  *
@@ -105,9 +101,9 @@ extern void set_dma_sg(dmach_t channel, struct scatterlist *sg, int nr_sg);
  * especially since some DMA architectures don't update the
  * DMA address immediately, but defer it to the enable_dma().
  */
-extern void __set_dma_addr(dmach_t channel, void *addr);
-#define set_dma_addr(channel, addr)				\
-	__set_dma_addr(channel, bus_to_virt(addr))
+extern void __set_dma_addr(unsigned int chan, void *addr);
+#define set_dma_addr(chan, addr)				\
+	__set_dma_addr(chan, bus_to_virt(addr))
 
 /* Set the DMA byte count for this channel
  *
@@ -115,7 +111,7 @@ extern void __set_dma_addr(dmach_t channel, void *addr);
  * especially since some DMA architectures don't update the
  * DMA count immediately, but defer it to the enable_dma().
  */
-extern void set_dma_count(dmach_t channel, unsigned long count);
+extern void set_dma_count(unsigned int chan, unsigned long count);
 
 /* Set the transfer direction for this channel
  *
@@ -124,11 +120,11 @@ extern void set_dma_count(dmach_t channel, unsigned long count);
  * DMA transfer direction immediately, but defer it to the
  * enable_dma().
  */
-extern void set_dma_mode(dmach_t channel, dmamode_t mode);
+extern void set_dma_mode(unsigned int chan, unsigned int mode);
 
 /* Set the transfer speed for this channel
  */
-extern void set_dma_speed(dmach_t channel, int cycle_ns);
+extern void set_dma_speed(unsigned int chan, int cycle_ns);
 
 /* Get DMA residue count. After a DMA transfer, this
  * should return zero. Reading this while a DMA transfer is
@@ -136,7 +132,7 @@ extern void set_dma_speed(dmach_t channel, int cycle_ns);
  * If called before the channel has been used, it may return 1.
  * Otherwise, it returns the number of _bytes_ left to transfer.
  */
-extern int  get_dma_residue(dmach_t channel);
+extern int  get_dma_residue(unsigned int chan);
 
 #ifndef NO_DMA
 #define NO_DMA	255
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
index a58378c343b9..d7da19bcf928 100644
--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -50,6 +50,8 @@ typedef struct user_fp elf_fpregset_t;
 #define R_ARM_ABS32	2
 #define R_ARM_CALL	28
 #define R_ARM_JUMP24	29
+#define R_ARM_V4BX	40
+#define R_ARM_PREL31	42
 
 /*
  * These are used to set parameters in the core dumps.
diff --git a/arch/arm/include/asm/fixmap.h b/arch/arm/include/asm/fixmap.h
new file mode 100644
index 000000000000..bbae919bceb4
--- /dev/null
+++ b/arch/arm/include/asm/fixmap.h
@@ -0,0 +1,41 @@
+#ifndef _ASM_FIXMAP_H
+#define _ASM_FIXMAP_H
+
+/*
+ * Nothing too fancy for now.
+ *
+ * On ARM we already have well known fixed virtual addresses imposed by
+ * the architecture such as the vector page which is located at 0xffff0000,
+ * therefore a second level page table is already allocated covering
+ * 0xfff00000 upwards.
+ *
+ * The cache flushing code in proc-xscale.S uses the virtual area between
+ * 0xfffe0000 and 0xfffeffff.
+ */
+
+#define FIXADDR_START		0xfff00000UL
+#define FIXADDR_TOP		0xfffe0000UL
+#define FIXADDR_SIZE		(FIXADDR_TOP - FIXADDR_START)
+
+#define FIX_KMAP_BEGIN		0
+#define FIX_KMAP_END		(FIXADDR_SIZE >> PAGE_SHIFT)
+
+#define __fix_to_virt(x)	(FIXADDR_START + ((x) << PAGE_SHIFT))
+#define __virt_to_fix(x)	(((x) - FIXADDR_START) >> PAGE_SHIFT)
+
+extern void __this_fixmap_does_not_exist(void);
+
+static inline unsigned long fix_to_virt(const unsigned int idx)
+{
+	if (idx >= FIX_KMAP_END)
+		__this_fixmap_does_not_exist();
+	return __fix_to_virt(idx);
+}
+
+static inline unsigned int virt_to_fix(const unsigned long vaddr)
+{
+	BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START);
+	return __virt_to_fix(vaddr);
+}
+
+#endif
diff --git a/arch/arm/include/asm/hardware/scoop.h b/arch/arm/include/asm/hardware/scoop.h
index dfb8330599f9..46492a63a7c4 100644
--- a/arch/arm/include/asm/hardware/scoop.h
+++ b/arch/arm/include/asm/hardware/scoop.h
@@ -63,7 +63,5 @@ struct scoop_pcmcia_config {
 extern struct scoop_pcmcia_config *platform_scoop_config;
 
 void reset_scoop(struct device *dev);
-unsigned short __deprecated set_scoop_gpio(struct device *dev, unsigned short bit);
-unsigned short __deprecated reset_scoop_gpio(struct device *dev, unsigned short bit);
 unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
 void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);
diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h
new file mode 100644
index 000000000000..7f36d00600b4
--- /dev/null
+++ b/arch/arm/include/asm/highmem.h
@@ -0,0 +1,31 @@
+#ifndef _ASM_HIGHMEM_H
+#define _ASM_HIGHMEM_H
+
+#include <asm/kmap_types.h>
+
+#define PKMAP_BASE		(PAGE_OFFSET - PMD_SIZE)
+#define LAST_PKMAP		PTRS_PER_PTE
+#define LAST_PKMAP_MASK		(LAST_PKMAP - 1)
+#define PKMAP_NR(virt)		(((virt) - PKMAP_BASE) >> PAGE_SHIFT)
+#define PKMAP_ADDR(nr)		(PKMAP_BASE + ((nr) << PAGE_SHIFT))
+
+#define kmap_prot		PAGE_KERNEL
+
+#define flush_cache_kmaps()	flush_cache_all()
+
+extern pte_t *pkmap_page_table;
+
+#define ARCH_NEEDS_KMAP_HIGH_GET
+
+extern void *kmap_high(struct page *page);
+extern void *kmap_high_get(struct page *page);
+extern void kunmap_high(struct page *page);
+
+extern void *kmap(struct page *page);
+extern void kunmap(struct page *page);
+extern void *kmap_atomic(struct page *page, enum km_type type);
+extern void kunmap_atomic(void *kvaddr, enum km_type type);
+extern void *kmap_atomic_pfn(unsigned long pfn, enum km_type type);
+extern struct page *kmap_atomic_to_page(const void *ptr);
+
+#endif
diff --git a/arch/arm/include/asm/hwcap.h b/arch/arm/include/asm/hwcap.h
index bda489f9f017..f7bd52b1c365 100644
--- a/arch/arm/include/asm/hwcap.h
+++ b/arch/arm/include/asm/hwcap.h
@@ -17,6 +17,8 @@
 #define HWCAP_CRUNCH	1024
 #define HWCAP_THUMBEE	2048
 #define HWCAP_NEON	4096
+#define HWCAP_VFPv3	8192
+#define HWCAP_VFPv3D16	16384
 
 #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
 /*
diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h
index 45def13ee17a..d16ec97ec9a9 100644
--- a/arch/arm/include/asm/kmap_types.h
+++ b/arch/arm/include/asm/kmap_types.h
@@ -18,6 +18,7 @@ enum km_type {
 	KM_IRQ1,
 	KM_SOFTIRQ0,
 	KM_SOFTIRQ1,
+	KM_L2_CACHE,
 	KM_TYPE_NR
 };
 
diff --git a/arch/arm/include/asm/mach/dma.h b/arch/arm/include/asm/mach/dma.h
index fc7278ea7146..9e614a18e680 100644
--- a/arch/arm/include/asm/mach/dma.h
+++ b/arch/arm/include/asm/mach/dma.h
@@ -15,13 +15,13 @@ struct dma_struct;
 typedef struct dma_struct dma_t;
 
 struct dma_ops {
-	int	(*request)(dmach_t, dma_t *);		/* optional */
-	void	(*free)(dmach_t, dma_t *);		/* optional */
-	void	(*enable)(dmach_t, dma_t *);		/* mandatory */
-	void 	(*disable)(dmach_t, dma_t *);		/* mandatory */
-	int	(*residue)(dmach_t, dma_t *);		/* optional */
-	int	(*setspeed)(dmach_t, dma_t *, int);	/* optional */
-	char	*type;
+	int	(*request)(unsigned int, dma_t *);		/* optional */
+	void	(*free)(unsigned int, dma_t *);			/* optional */
+	void	(*enable)(unsigned int, dma_t *);		/* mandatory */
+	void 	(*disable)(unsigned int, dma_t *);		/* mandatory */
+	int	(*residue)(unsigned int, dma_t *);		/* optional */
+	int	(*setspeed)(unsigned int, dma_t *, int);	/* optional */
+	const char *type;
 };
 
 struct dma_struct {
@@ -34,24 +34,21 @@ struct dma_struct {
 	unsigned int	active:1;	/* Transfer active		*/
 	unsigned int	invalid:1;	/* Address/Count changed	*/
 
-	dmamode_t	dma_mode;	/* DMA mode			*/
+	unsigned int	dma_mode;	/* DMA mode			*/
 	int		speed;		/* DMA speed			*/
 
 	unsigned int	lock;		/* Device is allocated		*/
 	const char	*device_id;	/* Device name			*/
 
-	unsigned int	dma_base;	/* Controller base address	*/
-	int		dma_irq;	/* Controller IRQ		*/
-	struct scatterlist cur_sg;	/* Current controller buffer	*/
-	unsigned int	state;
-
-	struct dma_ops	*d_ops;
+	const struct dma_ops *d_ops;
 };
 
-/* Prototype: void arch_dma_init(dma)
- * Purpose  : Initialise architecture specific DMA
- * Params   : dma - pointer to array of DMA structures
+/*
+ * isa_dma_add - add an ISA-style DMA channel
  */
-extern void arch_dma_init(dma_t *dma);
+extern int isa_dma_add(unsigned int, dma_t *dma);
 
-extern void isa_init_dma(dma_t *dma);
+/*
+ * Add the ISA DMA controller.  Always takes channels 0-7.
+ */
+extern void isa_init_dma(void);
diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h
index 39d949b63e80..58cf91f38e6f 100644
--- a/arch/arm/include/asm/mach/map.h
+++ b/arch/arm/include/asm/mach/map.h
@@ -26,6 +26,7 @@ struct map_desc {
 #define MT_HIGH_VECTORS		8
 #define MT_MEMORY		9
 #define MT_ROM			10
+#define MT_MEMORY_NONCACHED	11
 
 #ifdef CONFIG_MMU
 extern void iotable_init(struct map_desc *, int);
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 0202a7c20e62..85763db87449 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -44,14 +44,21 @@
  * The module space lives between the addresses given by TASK_SIZE
  * and PAGE_OFFSET - it must be within 32MB of the kernel text.
  */
-#define MODULES_END		(PAGE_OFFSET)
-#define MODULES_VADDR		(MODULES_END - 16*1048576)
-
+#define MODULES_VADDR		(PAGE_OFFSET - 16*1024*1024)
 #if TASK_SIZE > MODULES_VADDR
 #error Top of user space clashes with start of module space
 #endif
 
 /*
+ * The highmem pkmap virtual space shares the end of the module area.
+ */
+#ifdef CONFIG_HIGHMEM
+#define MODULES_END		(PAGE_OFFSET - PMD_SIZE)
+#else
+#define MODULES_END		(PAGE_OFFSET)
+#endif
+
+/*
  * The XIP kernel gets mapped at the bottom of the module vm area.
  * Since we use sections to map it, this macro replaces the physical address
  * with its virtual address while keeping offset from the base section.
@@ -181,6 +188,7 @@ static inline void *phys_to_virt(unsigned long x)
 #ifndef __virt_to_bus
 #define __virt_to_bus	__virt_to_phys
 #define __bus_to_virt	__phys_to_virt
+#define __pfn_to_bus(x)	((x) << PAGE_SHIFT)
 #endif
 
 static inline __deprecated unsigned long virt_to_bus(void *x)
diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h
index 24b168dc31a3..e4dfa69abb68 100644
--- a/arch/arm/include/asm/module.h
+++ b/arch/arm/include/asm/module.h
@@ -1,15 +1,27 @@
 #ifndef _ASM_ARM_MODULE_H
 #define _ASM_ARM_MODULE_H
 
-struct mod_arch_specific
-{
-	int foo;
-};
-
 #define Elf_Shdr	Elf32_Shdr
 #define Elf_Sym		Elf32_Sym
 #define Elf_Ehdr	Elf32_Ehdr
 
+struct unwind_table;
+
+struct mod_arch_specific
+{
+#ifdef CONFIG_ARM_UNWIND
+	Elf_Shdr *unw_sec_init;
+	Elf_Shdr *unw_sec_devinit;
+	Elf_Shdr *unw_sec_core;
+	Elf_Shdr *sec_init_text;
+	Elf_Shdr *sec_devinit_text;
+	Elf_Shdr *sec_core_text;
+	struct unwind_table *unwind_init;
+	struct unwind_table *unwind_devinit;
+	struct unwind_table *unwind_core;
+#endif
+};
+
 /*
  * Include the ARM architecture version.
  */
diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
index f341c9dbd662..e6eb8a67b807 100644
--- a/arch/arm/include/asm/page.h
+++ b/arch/arm/include/asm/page.h
@@ -76,6 +76,14 @@
 # endif
 #endif
 
+#ifdef CONFIG_CPU_COPY_FA
+# ifdef _USER
+#  define MULTI_USER 1
+# else
+#  define _USER fa
+# endif
+#endif
+
 #ifdef CONFIG_CPU_SA1100
 # ifdef _USER
 #  define MULTI_USER 1
diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h
index db80203b68e0..3976412685f8 100644
--- a/arch/arm/include/asm/proc-fns.h
+++ b/arch/arm/include/asm/proc-fns.h
@@ -89,6 +89,14 @@
 #   define CPU_NAME cpu_arm922
 #  endif
 # endif
+# ifdef CONFIG_CPU_FA526
+#  ifdef CPU_NAME
+#   undef  MULTI_CPU
+#   define MULTI_CPU
+#  else
+#   define CPU_NAME cpu_fa526
+#  endif
+# endif
 # ifdef CONFIG_CPU_ARM925T
 #  ifdef CPU_NAME
 #   undef  MULTI_CPU
@@ -185,6 +193,14 @@
 #   define CPU_NAME cpu_xsc3
 #  endif
 # endif
+# ifdef CONFIG_CPU_MOHAWK
+#  ifdef CPU_NAME
+#   undef  MULTI_CPU
+#   define MULTI_CPU
+#  else
+#   define CPU_NAME cpu_mohawk
+#  endif
+# endif
 # ifdef CONFIG_CPU_FEROCEON
 #  ifdef CPU_NAME
 #   undef  MULTI_CPU
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index 73192618f1c2..236a06b9b7ce 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -27,6 +27,8 @@
 /* PTRACE_SYSCALL is 24 */
 #define PTRACE_GETCRUNCHREGS	25
 #define PTRACE_SETCRUNCHREGS	26
+#define PTRACE_GETVFPREGS	27
+#define PTRACE_SETVFPREGS	28
 
 /*
  * PSR bits
diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
index f2cd18a0932b..ee1304f22f94 100644
--- a/arch/arm/include/asm/setup.h
+++ b/arch/arm/include/asm/setup.h
@@ -14,7 +14,7 @@
 #ifndef __ASMARM_SETUP_H
 #define __ASMARM_SETUP_H
 
-#include <asm/types.h>
+#include <linux/types.h>
 
 #define COMMAND_LINE_SIZE 1024
 
diff --git a/arch/arm/include/asm/sizes.h b/arch/arm/include/asm/sizes.h
index 503843db1565..c10d1aa4b487 100644
--- a/arch/arm/include/asm/sizes.h
+++ b/arch/arm/include/asm/sizes.h
@@ -43,6 +43,7 @@
 #define SZ_8M                           0x00800000
 #define SZ_16M                          0x01000000
 #define SZ_32M                          0x02000000
+#define SZ_48M                          0x03000000
 #define SZ_64M                          0x04000000
 #define SZ_128M                         0x08000000
 #define SZ_256M                         0x10000000
diff --git a/arch/arm/include/asm/socket.h b/arch/arm/include/asm/socket.h
index 6817be9573a6..537de4e0ef50 100644
--- a/arch/arm/include/asm/socket.h
+++ b/arch/arm/include/asm/socket.h
@@ -54,4 +54,7 @@
 
 #define SO_MARK			36
 
+#define SO_TIMESTAMPING		37
+#define SCM_TIMESTAMPING	SO_TIMESTAMPING
+
 #endif /* _ASM_SOCKET_H */
diff --git a/arch/arm/include/asm/stacktrace.h b/arch/arm/include/asm/stacktrace.h
new file mode 100644
index 000000000000..4d0a16441b29
--- /dev/null
+++ b/arch/arm/include/asm/stacktrace.h
@@ -0,0 +1,15 @@
+#ifndef __ASM_STACKTRACE_H
+#define __ASM_STACKTRACE_H
+
+struct stackframe {
+	unsigned long fp;
+	unsigned long sp;
+	unsigned long lr;
+	unsigned long pc;
+};
+
+extern int unwind_frame(struct stackframe *frame);
+extern void walk_stackframe(struct stackframe *frame,
+			    int (*fn)(struct stackframe *, void *), void *data);
+
+#endif	/* __ASM_STACKTRACE_H */
diff --git a/arch/arm/include/asm/swab.h b/arch/arm/include/asm/swab.h
index 27a689be0856..ca2bf2f6d6ea 100644
--- a/arch/arm/include/asm/swab.h
+++ b/arch/arm/include/asm/swab.h
@@ -16,7 +16,7 @@
 #define __ASM_ARM_SWAB_H
 
 #include <linux/compiler.h>
-#include <asm/types.h>
+#include <linux/types.h>
 
 #if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
 #  define __SWAB_64_THRU_32__
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index 811be55f338e..bd4dc8ed53d5 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -97,8 +97,8 @@ extern void __show_regs(struct pt_regs *);
 extern int cpu_architecture(void);
 extern void cpu_init(void);
 
-void arm_machine_restart(char mode);
-extern void (*arm_pm_restart)(char str);
+void arm_machine_restart(char mode, const char *cmd);
+extern void (*arm_pm_restart)(char str, const char *cmd);
 
 #define UDBG_UNDEFINED	(1 << 0)
 #define UDBG_SYSCALL	(1 << 1)
@@ -125,6 +125,12 @@ extern unsigned int user_debug;
 				    : : "r" (0) : "memory")
 #define dmb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" \
 				    : : "r" (0) : "memory")
+#elif defined(CONFIG_CPU_FA526)
+#define isb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c5, 4" \
+				    : : "r" (0) : "memory")
+#define dsb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 4" \
+				    : : "r" (0) : "memory")
+#define dmb() __asm__ __volatile__ ("" : : : "memory")
 #else
 #define isb() __asm__ __volatile__ ("" : : : "memory")
 #define dsb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 4" \
diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h
index 68b9ec82a37f..4f8848260ee2 100644
--- a/arch/arm/include/asm/thread_info.h
+++ b/arch/arm/include/asm/thread_info.h
@@ -99,6 +99,8 @@ static inline struct thread_info *current_thread_info(void)
 
 #define thread_saved_pc(tsk)	\
 	((unsigned long)(task_thread_info(tsk)->cpu_context.pc))
+#define thread_saved_sp(tsk)	\
+	((unsigned long)(task_thread_info(tsk)->cpu_context.sp))
 #define thread_saved_fp(tsk)	\
 	((unsigned long)(task_thread_info(tsk)->cpu_context.fp))
 
@@ -113,6 +115,8 @@ extern void iwmmxt_task_restore(struct thread_info *, void *);
 extern void iwmmxt_task_release(struct thread_info *);
 extern void iwmmxt_task_switch(struct thread_info *);
 
+extern void vfp_sync_state(struct thread_info *thread);
+
 #endif
 
 /*
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index b543a054a17e..a62218013c78 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -39,6 +39,7 @@
 #define TLB_V6_D_ASID	(1 << 17)
 #define TLB_V6_I_ASID	(1 << 18)
 
+#define TLB_BTB		(1 << 28)
 #define TLB_L2CLEAN_FR	(1 << 29)		/* Feroceon */
 #define TLB_DCLEAN	(1 << 30)
 #define TLB_WB		(1 << 31)
@@ -53,6 +54,7 @@
  *	  v4wb  - ARMv4 with write buffer without I TLB flush entry instruction
  *	  v4wbi - ARMv4 with write buffer with I TLB flush entry instruction
  *	  fr    - Feroceon (v4wbi with non-outer-cacheable page table walks)
+ *	  fa    - Faraday (v4 with write buffer with UTLB and branch target buffer (BTB))
  *	  v6wbi - ARMv6 with write buffer with I TLB flush entry instruction
  *	  v7wbi - identical to v6wbi
  */
@@ -89,6 +91,22 @@
 # define v4_always_flags	(-1UL)
 #endif
 
+#define fa_tlb_flags	(TLB_WB | TLB_BTB | TLB_DCLEAN | \
+			 TLB_V4_U_FULL | TLB_V4_U_PAGE)
+
+#ifdef CONFIG_CPU_TLB_FA
+# define fa_possible_flags	fa_tlb_flags
+# define fa_always_flags	fa_tlb_flags
+# ifdef _TLB
+#  define MULTI_TLB 1
+# else
+#  define _TLB fa
+# endif
+#else
+# define fa_possible_flags	0
+# define fa_always_flags	(-1UL)
+#endif
+
 #define v4wbi_tlb_flags	(TLB_WB | TLB_DCLEAN | \
 			 TLB_V4_I_FULL | TLB_V4_D_FULL | \
 			 TLB_V4_I_PAGE | TLB_V4_D_PAGE)
@@ -140,7 +158,7 @@
 # define v4wb_always_flags	(-1UL)
 #endif
 
-#define v6wbi_tlb_flags (TLB_WB | TLB_DCLEAN | \
+#define v6wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BTB | \
 			 TLB_V6_I_FULL | TLB_V6_D_FULL | \
 			 TLB_V6_I_PAGE | TLB_V6_D_PAGE | \
 			 TLB_V6_I_ASID | TLB_V6_D_ASID)
@@ -267,6 +285,7 @@ extern struct cpu_tlb_fns cpu_tlb;
 				 v4wbi_possible_flags | \
 				 fr_possible_flags | \
 				 v4wb_possible_flags | \
+				 fa_possible_flags | \
 				 v6wbi_possible_flags | \
 				 v7wbi_possible_flags)
 
@@ -275,6 +294,7 @@ extern struct cpu_tlb_fns cpu_tlb;
 				 v4wbi_always_flags & \
 				 fr_always_flags & \
 				 v4wb_always_flags & \
+				 fa_always_flags & \
 				 v6wbi_always_flags & \
 				 v7wbi_always_flags)
 
@@ -297,9 +317,7 @@ static inline void local_flush_tlb_all(void)
 	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_V6_I_FULL | TLB_V6_D_FULL |
-		     TLB_V6_I_PAGE | TLB_V6_D_PAGE |
-		     TLB_V6_I_ASID | TLB_V6_D_ASID)) {
+	if (tlb_flag(TLB_BTB)) {
 		/* flush the branch target cache */
 		asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
 		dsb();
@@ -334,9 +352,7 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
 	if (tlb_flag(TLB_V6_I_ASID))
 		asm("mcr p15, 0, %0, c8, c5, 2" : : "r" (asid) : "cc");
 
-	if (tlb_flag(TLB_V6_I_FULL | TLB_V6_D_FULL |
-		     TLB_V6_I_PAGE | TLB_V6_D_PAGE |
-		     TLB_V6_I_ASID | TLB_V6_D_ASID)) {
+	if (tlb_flag(TLB_BTB)) {
 		/* flush the branch target cache */
 		asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
 		dsb();
@@ -374,9 +390,7 @@ local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
 	if (tlb_flag(TLB_V6_I_PAGE))
 		asm("mcr p15, 0, %0, c8, c5, 1" : : "r" (uaddr) : "cc");
 
-	if (tlb_flag(TLB_V6_I_FULL | TLB_V6_D_FULL |
-		     TLB_V6_I_PAGE | TLB_V6_D_PAGE |
-		     TLB_V6_I_ASID | TLB_V6_D_ASID)) {
+	if (tlb_flag(TLB_BTB)) {
 		/* flush the branch target cache */
 		asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
 		dsb();
@@ -411,9 +425,7 @@ static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
 	if (tlb_flag(TLB_V6_I_PAGE))
 		asm("mcr p15, 0, %0, c8, c5, 1" : : "r" (kaddr) : "cc");
 
-	if (tlb_flag(TLB_V6_I_FULL | TLB_V6_D_FULL |
-		     TLB_V6_I_PAGE | TLB_V6_D_PAGE |
-		     TLB_V6_I_ASID | TLB_V6_D_ASID)) {
+	if (tlb_flag(TLB_BTB)) {
 		/* flush the branch target cache */
 		asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
 		dsb();
diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h
index aa399aec568e..491960bf4260 100644
--- a/arch/arm/include/asm/traps.h
+++ b/arch/arm/include/asm/traps.h
@@ -25,5 +25,6 @@ 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);
 
 #endif
diff --git a/arch/arm/include/asm/unwind.h b/arch/arm/include/asm/unwind.h
new file mode 100644
index 000000000000..a5edf421005c
--- /dev/null
+++ b/arch/arm/include/asm/unwind.h
@@ -0,0 +1,69 @@
+/*
+ * arch/arm/include/asm/unwind.h
+ *
+ * Copyright (C) 2008 ARM Limited
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __ASM_UNWIND_H
+#define __ASM_UNWIND_H
+
+#ifndef __ASSEMBLY__
+
+/* Unwind reason code according the the ARM EABI documents */
+enum unwind_reason_code {
+	URC_OK = 0,			/* operation completed successfully */
+	URC_CONTINUE_UNWIND = 8,
+	URC_FAILURE = 9			/* unspecified failure of some kind */
+};
+
+struct unwind_idx {
+	unsigned long addr;
+	unsigned long insn;
+};
+
+struct unwind_table {
+	struct list_head list;
+	struct unwind_idx *start;
+	struct unwind_idx *stop;
+	unsigned long begin_addr;
+	unsigned long end_addr;
+};
+
+extern struct unwind_table *unwind_table_add(unsigned long start,
+					     unsigned long size,
+					     unsigned long text_addr,
+					     unsigned long text_size);
+extern void unwind_table_del(struct unwind_table *tab);
+extern void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk);
+
+#ifdef CONFIG_ARM_UNWIND
+extern int __init unwind_init(void);
+#else
+static inline int __init unwind_init(void)
+{
+	return 0;
+}
+#endif
+
+#endif	/* !__ASSEMBLY__ */
+
+#ifdef CONFIG_ARM_UNWIND
+#define UNWIND(code...)		code
+#else
+#define UNWIND(code...)
+#endif
+
+#endif	/* __ASM_UNWIND_H */
diff --git a/arch/arm/include/asm/user.h b/arch/arm/include/asm/user.h
index 825c1e7c582d..df95e050f9dd 100644
--- a/arch/arm/include/asm/user.h
+++ b/arch/arm/include/asm/user.h
@@ -81,4 +81,13 @@ struct user{
 #define HOST_TEXT_START_ADDR (u.start_code)
 #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
 
+/*
+ * User specific VFP registers. If only VFPv2 is present, registers 16 to 31
+ * are ignored by the ptrace system call.
+ */
+struct user_vfp {
+	unsigned long long fpregs[32];
+	unsigned long fpscr;
+};
+
 #endif /* _ARM_USER_H */