Merge branch 'linux-2.6' into for-linus

22 files changed, 317 insertions, 147 deletions

diff --git a/include/asm-powerpc/asm-compat.h b/include/asm-powerpc/asm-compat.h
index 8e64be0cc47..c89bd58ee28 100644
--- a/include/asm-powerpc/asm-compat.h
+++ b/include/asm-powerpc/asm-compat.h
@@ -14,6 +14,58 @@
 #  define ASM_CONST(x)		__ASM_CONST(x)
 #endif
 
+
+/*
+ * Feature section common macros
+ *
+ * Note that the entries now contain offsets between the table entry
+ * and the code rather than absolute code pointers in order to be
+ * useable with the vdso shared library. There is also an assumption
+ * that values will be negative, that is, the fixup table has to be
+ * located after the code it fixes up.
+ */
+#ifdef CONFIG_PPC64
+#ifdef __powerpc64__
+/* 64 bits kernel, 64 bits code */
+#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect)	\
+99:							\
+	.section sect,"a";				\
+	.align 3;					\
+98:						       	\
+	.llong msk;					\
+	.llong val;					\
+	.llong label##b-98b;				\
+	.llong 99b-98b;		 			\
+	.previous
+#else /* __powerpc64__ */
+/* 64 bits kernel, 32 bits code (ie. vdso32) */
+#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect)	\
+99:							\
+	.section sect,"a";				\
+	.align 3;					\
+98:						       	\
+	.llong msk;					\
+	.llong val;					\
+	.long 0xffffffff;      				\
+	.long label##b-98b;				\
+	.long 0xffffffff;	       			\
+	.long 99b-98b;		 			\
+	.previous
+#endif /* !__powerpc64__ */
+#else /* CONFIG_PPC64 */
+/* 32 bits kernel, 32 bits code */
+#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect)	\
+99:						       	\
+	.section sect,"a";			       	\
+	.align 2;				       	\
+98:						       	\
+	.long msk;				       	\
+	.long val;				       	\
+	.long label##b-98b;			       	\
+	.long 99b-98b;				       	\
+	.previous
+#endif /* !CONFIG_PPC64 */
+
 #ifdef __powerpc64__
 
 /* operations for longs and pointers */
diff --git a/include/asm-powerpc/checksum.h b/include/asm-powerpc/checksum.h
index 609ecbbd721..7cdf358337c 100644
--- a/include/asm-powerpc/checksum.h
+++ b/include/asm-powerpc/checksum.h
@@ -14,17 +14,16 @@
  * which always checksum on 4 octet boundaries.  ihl is the number
  * of 32-bit words and is always >= 5.
  */
-extern unsigned short ip_fast_csum(unsigned char * iph, unsigned int ihl);
+extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl);
 
 /*
  * computes the checksum of the TCP/UDP pseudo-header
  * returns a 16-bit checksum, already complemented
  */
-extern unsigned short csum_tcpudp_magic(unsigned long saddr,
-					unsigned long daddr,
+extern __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
 					unsigned short len,
 					unsigned short proto,
-					unsigned int sum);
+					__wsum sum);
 
 /*
  * computes the checksum of a memory block at buff, length len,
@@ -38,8 +37,7 @@ extern unsigned short csum_tcpudp_magic(unsigned long saddr,
  *
  * it's best to have buff aligned on a 32-bit boundary
  */
-extern unsigned int csum_partial(const unsigned char * buff, int len,
-				 unsigned int sum);
+extern __wsum csum_partial(const void *buff, int len, __wsum sum);
 
 /*
  * Computes the checksum of a memory block at src, length len,
@@ -51,20 +49,15 @@ extern unsigned int csum_partial(const unsigned char * buff, int len,
  * Like csum_partial, this must be called with even lengths,
  * except for the last fragment.
  */
-extern unsigned int csum_partial_copy_generic(const char *src, char *dst,
-					      int len, unsigned int sum,
+extern __wsum csum_partial_copy_generic(const void *src, void *dst,
+					      int len, __wsum sum,
 					      int *src_err, int *dst_err);
 /*
  * the same as csum_partial, but copies from src to dst while it
  * checksums.
  */
-unsigned int csum_partial_copy_nocheck(const char *src, 
-				       char *dst, 
-				       int len, 
-				       unsigned int sum);
-
 #define csum_partial_copy_from_user(src, dst, len, sum, errp)   \
-        csum_partial_copy_generic((src), (dst), (len), (sum), (errp), NULL)
+        csum_partial_copy_generic((__force const void *)(src), (dst), (len), (sum), (errp), NULL)
 
 #define csum_partial_copy_nocheck(src, dst, len, sum)   \
         csum_partial_copy_generic((src), (dst), (len), (sum), NULL, NULL)
@@ -74,7 +67,7 @@ unsigned int csum_partial_copy_nocheck(const char *src,
  * turns a 32-bit partial checksum (e.g. from csum_partial) into a
  * 1's complement 16-bit checksum.
  */
-static inline unsigned int csum_fold(unsigned int sum)
+static inline __sum16 csum_fold(__wsum sum)
 {
 	unsigned int tmp;
 
@@ -83,41 +76,32 @@ static inline unsigned int csum_fold(unsigned int sum)
 	/* if there is a carry from adding the two 16-bit halves,
 	   it will carry from the lower half into the upper half,
 	   giving us the correct sum in the upper half. */
-	sum = ~(sum + tmp) >> 16;
-	return sum;
+	return (__force __sum16)(~((__force u32)sum + tmp) >> 16);
 }
 
 /*
  * this routine is used for miscellaneous IP-like checksums, mainly
  * in icmp.c
  */
-static inline unsigned short ip_compute_csum(unsigned char * buff, int len)
+static inline __sum16 ip_compute_csum(const void *buff, int len)
 {
 	return csum_fold(csum_partial(buff, len, 0));
 }
 
-#ifdef __powerpc64__
-static inline u32 csum_tcpudp_nofold(u32 saddr,
-                                     u32 daddr,
+static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
                                      unsigned short len,
                                      unsigned short proto,
-                                     unsigned int sum)
+                                     __wsum sum)
 {
-	unsigned long s = sum;
+#ifdef __powerpc64__
+	unsigned long s = (__force u32)sum;
 
-	s += saddr;
-	s += daddr;
-	s += (proto << 16) + len;
+	s += (__force u32)saddr;
+	s += (__force u32)daddr;
+	s += proto + len;
 	s += (s >> 32);
-	return (u32) s;
-}
+	return (__force __wsum) s;
 #else
-static inline unsigned long csum_tcpudp_nofold(unsigned long saddr,
-						   unsigned long daddr,
-						   unsigned short len,
-						   unsigned short proto,
-						   unsigned int sum)
-{
     __asm__("\n\
 	addc %0,%0,%1 \n\
 	adde %0,%0,%2 \n\
@@ -125,10 +109,9 @@ static inline unsigned long csum_tcpudp_nofold(unsigned long saddr,
 	addze %0,%0 \n\
 	"
 	: "=r" (sum)
-	: "r" (daddr), "r"(saddr), "r"((proto<<16)+len), "0"(sum));
-    return sum;
-}
-
+	: "r" (daddr), "r"(saddr), "r"(proto + len), "0"(sum));
+	return sum;
 #endif
+}
 #endif /* __KERNEL__ */
 #endif
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index 12707ab9dc9..a9a40149a7c 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -89,8 +89,11 @@ struct cpu_spec {
 
 extern struct cpu_spec		*cur_cpu_spec;
 
-extern void identify_cpu(unsigned long offset, unsigned long cpu);
-extern void do_cpu_ftr_fixups(unsigned long offset);
+extern unsigned int __start___ftr_fixup, __stop___ftr_fixup;
+
+extern struct cpu_spec *identify_cpu(unsigned long offset);
+extern void do_feature_fixups(unsigned long value, void *fixup_start,
+			      void *fixup_end);
 
 #endif /* __ASSEMBLY__ */
 
@@ -144,6 +147,7 @@ extern void do_cpu_ftr_fixups(unsigned long offset);
 #define CPU_FTR_CI_LARGE_PAGE		LONG_ASM_CONST(0x0000100000000000)
 #define CPU_FTR_PAUSE_ZERO		LONG_ASM_CONST(0x0000200000000000)
 #define CPU_FTR_PURR			LONG_ASM_CONST(0x0000400000000000)
+#define CPU_FTR_CELL_TB_BUG		LONG_ASM_CONST(0x0000800000000000)
 
 #ifndef __ASSEMBLY__
 
@@ -332,7 +336,7 @@ extern void do_cpu_ftr_fixups(unsigned long offset);
 #define CPU_FTRS_CELL	(CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 	    CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
 	    CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
-	    CPU_FTR_PAUSE_ZERO | CPU_FTR_CI_LARGE_PAGE)
+	    CPU_FTR_PAUSE_ZERO | CPU_FTR_CI_LARGE_PAGE | CPU_FTR_CELL_TB_BUG)
 #define CPU_FTRS_PA6T (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 	    CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
 	    CPU_FTR_ALTIVEC_COMP | CPU_FTR_CI_LARGE_PAGE | \
@@ -431,29 +435,12 @@ static inline int cpu_has_feature(unsigned long feature)
 
 #ifdef __ASSEMBLY__
 
-#define BEGIN_FTR_SECTION		98:
-
-#ifndef __powerpc64__
+#define BEGIN_FTR_SECTION_NESTED(label)	label:
+#define BEGIN_FTR_SECTION		BEGIN_FTR_SECTION_NESTED(97)
+#define END_FTR_SECTION_NESTED(msk, val, label) \
+	MAKE_FTR_SECTION_ENTRY(msk, val, label, __ftr_fixup)
 #define END_FTR_SECTION(msk, val)		\
-99:						\
-	.section __ftr_fixup,"a";		\
-	.align 2;				\
-	.long msk;				\
-	.long val;				\
-	.long 98b;				\
-	.long 99b;				\
-	.previous
-#else /* __powerpc64__ */
-#define END_FTR_SECTION(msk, val)		\
-99:						\
-	.section __ftr_fixup,"a";		\
-	.align 3;				\
-	.llong msk;				\
-	.llong val;				\
-	.llong 98b;				\
-	.llong 99b;	 			\
-	.previous
-#endif /* __powerpc64__ */
+	END_FTR_SECTION_NESTED(msk, val, 97)
 
 #define END_FTR_SECTION_IFSET(msk)	END_FTR_SECTION((msk), (msk))
 #define END_FTR_SECTION_IFCLR(msk)	END_FTR_SECTION((msk), 0)
diff --git a/include/asm-powerpc/current.h b/include/asm-powerpc/current.h
index 1938d6abd25..b8708aedf92 100644
--- a/include/asm-powerpc/current.h
+++ b/include/asm-powerpc/current.h
@@ -14,7 +14,17 @@ struct task_struct;
 #ifdef __powerpc64__
 #include <asm/paca.h>
 
-#define current		(get_paca()->__current)
+static inline struct task_struct *get_current(void)
+{
+	struct task_struct *task;
+
+	__asm__ __volatile__("ld %0,%1(13)"
+	: "=r" (task)
+	: "i" (offsetof(struct paca_struct, __current)));
+
+	return task;
+}
+#define current	get_current()
 
 #else
 
diff --git a/include/asm-powerpc/device.h b/include/asm-powerpc/device.h
new file mode 100644
index 00000000000..d8f9872b0e2
--- /dev/null
+++ b/include/asm-powerpc/device.h
@@ -0,0 +1,7 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#include <asm-generic/device.h>
+
diff --git a/include/asm-powerpc/firmware.h b/include/asm-powerpc/firmware.h
index 1022737f4f3..fdf9aff7115 100644
--- a/include/asm-powerpc/firmware.h
+++ b/include/asm-powerpc/firmware.h
@@ -96,19 +96,16 @@ extern void machine_check_fwnmi(void);
 /* This is true if we are using the firmware NMI handler (typically LPAR) */
 extern int fwnmi_active;
 
-#else /* __ASSEMBLY__ */
+extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
 
-#define BEGIN_FW_FTR_SECTION		96:
+#else /* __ASSEMBLY__ */
 
+#define BEGIN_FW_FTR_SECTION_NESTED(label)	label:
+#define BEGIN_FW_FTR_SECTION			BEGIN_FW_FTR_SECTION_NESTED(97)
+#define END_FW_FTR_SECTION_NESTED(msk, val, label) \
+	MAKE_FTR_SECTION_ENTRY(msk, val, label, __fw_ftr_fixup)
 #define END_FW_FTR_SECTION(msk, val)		\
-97:						\
-	.section __fw_ftr_fixup,"a";		\
-	.align 3;				\
-	.llong msk;				\
-	.llong val;				\
-	.llong 96b;				\
-	.llong 97b;				\
-	.previous
+	END_FW_FTR_SECTION_NESTED(msk, val, 97)
 
 #define END_FW_FTR_SECTION_IFSET(msk)	END_FW_FTR_SECTION((msk), (msk))
 #define END_FW_FTR_SECTION_IFCLR(msk)	END_FW_FTR_SECTION((msk), 0)
diff --git a/include/asm-powerpc/i8259.h b/include/asm-powerpc/i8259.h
index 78489fb8d14..db1362f8c60 100644
--- a/include/asm-powerpc/i8259.h
+++ b/include/asm-powerpc/i8259.h
@@ -7,6 +7,7 @@
 #ifdef CONFIG_PPC_MERGE
 extern void i8259_init(struct device_node *node, unsigned long intack_addr);
 extern unsigned int i8259_irq(void);
+extern struct irq_host *i8259_get_host(void);
 #else
 extern void i8259_init(unsigned long intack_addr, int offset);
 extern int i8259_irq(void);
diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index 3baff8b0fd5..c2c5f14b5f5 100644
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -163,8 +163,11 @@ extern void _outsl_ns(volatile u32 __iomem *port, const void *buf, long count);
 
 static inline void mmiowb(void)
 {
-	__asm__ __volatile__ ("sync" : : : "memory");
-	get_paca()->io_sync = 0;
+	unsigned long tmp;
+
+	__asm__ __volatile__("sync; li %0,0; stb %0,%1(13)"
+	: "=&r" (tmp) : "i" (offsetof(struct paca_struct, io_sync))
+	: "memory");
 }
 
 /*
diff --git a/include/asm-powerpc/iommu.h b/include/asm-powerpc/iommu.h
index 264ed624277..19e6f7e0a60 100644
--- a/include/asm-powerpc/iommu.h
+++ b/include/asm-powerpc/iommu.h
@@ -22,17 +22,35 @@
 #define _ASM_IOMMU_H
 #ifdef __KERNEL__
 
-#include <asm/types.h>
+#include <linux/compiler.h>
 #include <linux/spinlock.h>
 #include <linux/device.h>
 #include <linux/dma-mapping.h>
+#include <asm/types.h>
+#include <asm/bitops.h>
+
+#define IOMMU_PAGE_SHIFT      12
+#define IOMMU_PAGE_SIZE       (ASM_CONST(1) << IOMMU_PAGE_SHIFT)
+#define IOMMU_PAGE_MASK       (~((1 << IOMMU_PAGE_SHIFT) - 1))
+#define IOMMU_PAGE_ALIGN(addr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE)
+
+#ifndef __ASSEMBLY__
+
+/* Pure 2^n version of get_order */
+static __inline__ __attribute_const__ int get_iommu_order(unsigned long size)
+{
+	return __ilog2((size - 1) >> IOMMU_PAGE_SHIFT) + 1;
+}
+
+#endif   /* __ASSEMBLY__ */
+
 
 /*
  * IOMAP_MAX_ORDER defines the largest contiguous block
  * of dma space we can get.  IOMAP_MAX_ORDER = 13
  * allows up to 2**12 pages (4096 * 4096) = 16 MB
  */
-#define IOMAP_MAX_ORDER 13
+#define IOMAP_MAX_ORDER		13
 
 struct iommu_table {
 	unsigned long  it_busno;     /* Bus number this table belongs to */
diff --git a/include/asm-powerpc/oprofile_impl.h b/include/asm-powerpc/oprofile_impl.h
index 5b33994cd48..07a10e590c1 100644
--- a/include/asm-powerpc/oprofile_impl.h
+++ b/include/asm-powerpc/oprofile_impl.h
@@ -42,7 +42,7 @@ struct op_powerpc_model {
 	void (*reg_setup) (struct op_counter_config *,
 			   struct op_system_config *,
 			   int num_counters);
-	void (*cpu_setup) (void *);
+	void (*cpu_setup) (struct op_counter_config *);
 	void (*start) (struct op_counter_config *);
 	void (*stop) (void);
 	void (*handle_interrupt) (struct pt_regs *,
@@ -121,7 +121,90 @@ static inline void ctr_write(unsigned int i, unsigned int val)
 		break;
 	}
 }
-#endif /* !CONFIG_FSL_BOOKE */
+#else /* CONFIG_FSL_BOOKE */
+static inline u32 get_pmlca(int ctr)
+{
+	u32 pmlca;
+
+	switch (ctr) {
+		case 0:
+			pmlca = mfpmr(PMRN_PMLCA0);
+			break;
+		case 1:
+			pmlca = mfpmr(PMRN_PMLCA1);
+			break;
+		case 2:
+			pmlca = mfpmr(PMRN_PMLCA2);
+			break;
+		case 3:
+			pmlca = mfpmr(PMRN_PMLCA3);
+			break;
+		default:
+			panic("Bad ctr number\n");
+	}
+
+	return pmlca;
+}
+
+static inline void set_pmlca(int ctr, u32 pmlca)
+{
+	switch (ctr) {
+		case 0:
+			mtpmr(PMRN_PMLCA0, pmlca);
+			break;
+		case 1:
+			mtpmr(PMRN_PMLCA1, pmlca);
+			break;
+		case 2:
+			mtpmr(PMRN_PMLCA2, pmlca);
+			break;
+		case 3:
+			mtpmr(PMRN_PMLCA3, pmlca);
+			break;
+		default:
+			panic("Bad ctr number\n");
+	}
+}
+
+static inline unsigned int ctr_read(unsigned int i)
+{
+	switch(i) {
+		case 0:
+			return mfpmr(PMRN_PMC0);
+		case 1:
+			return mfpmr(PMRN_PMC1);
+		case 2:
+			return mfpmr(PMRN_PMC2);
+		case 3:
+			return mfpmr(PMRN_PMC3);
+		default:
+			return 0;
+	}
+}
+
+static inline void ctr_write(unsigned int i, unsigned int val)
+{
+	switch(i) {
+		case 0:
+			mtpmr(PMRN_PMC0, val);
+			break;
+		case 1:
+			mtpmr(PMRN_PMC1, val);
+			break;
+		case 2:
+			mtpmr(PMRN_PMC2, val);
+			break;
+		case 3:
+			mtpmr(PMRN_PMC3, val);
+			break;
+		default:
+			break;
+	}
+}
+
+
+#endif /* CONFIG_FSL_BOOKE */
+
 
 extern void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth);
 
diff --git a/include/asm-powerpc/pci.h b/include/asm-powerpc/pci.h
index 051694f14c3..c7728605149 100644
--- a/include/asm-powerpc/pci.h
+++ b/include/asm-powerpc/pci.h
@@ -62,19 +62,13 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
 }
 
 #ifdef CONFIG_PPC64
-#define HAVE_ARCH_PCI_MWI 1
-static inline int pcibios_prep_mwi(struct pci_dev *dev)
-{
-	/*
-	 * We would like to avoid touching the cacheline size or MWI bit
-	 * but we cant do that with the current pcibios_prep_mwi 
-	 * interface. pSeries firmware sets the cacheline size (which is not
-	 * the cpu cacheline size in all cases) and hardware treats MWI 
-	 * the same as memory write. So we dont touch the cacheline size
-	 * here and allow the generic code to set the MWI bit.
-	 */
-	return 0;
-}
+
+/*
+ * We want to avoid touching the cacheline size or MWI bit.
+ * pSeries firmware sets the cacheline size (which is not the cpu cacheline
+ * size in all cases) and hardware treats MWI the same as memory write.
+ */
+#define PCI_DISABLE_MWI
 
 extern struct dma_mapping_ops pci_dma_ops;
 
diff --git a/include/asm-powerpc/pmc.h b/include/asm-powerpc/pmc.h
index 07d6a427931..8588be68e0a 100644
--- a/include/asm-powerpc/pmc.h
+++ b/include/asm-powerpc/pmc.h
@@ -32,18 +32,5 @@ void release_pmc_hardware(void);
 void power4_enable_pmcs(void);
 #endif
 
-#ifdef CONFIG_FSL_BOOKE
-void init_pmc_stop(int ctr);
-void set_pmc_event(int ctr, int event);
-void set_pmc_user_kernel(int ctr, int user, int kernel);
-void set_pmc_marked(int ctr, int mark0, int mark1);
-void pmc_start_ctr(int ctr, int enable);
-void pmc_start_ctrs(int enable);
-void pmc_stop_ctrs(void);
-void dump_pmcs(void);
-
-extern struct op_powerpc_model op_model_fsl_booke;
-#endif
-
 #endif /* __KERNEL__ */
 #endif /* _POWERPC_PMC_H */
diff --git a/include/asm-powerpc/ppc_asm.h b/include/asm-powerpc/ppc_asm.h
index a940cfe040d..fa083d8e466 100644
--- a/include/asm-powerpc/ppc_asm.h
+++ b/include/asm-powerpc/ppc_asm.h
@@ -30,9 +30,9 @@ BEGIN_FTR_SECTION;							\
 	mfspr	ra,SPRN_PURR;		/* get processor util. reg */	\
 END_FTR_SECTION_IFSET(CPU_FTR_PURR);					\
 BEGIN_FTR_SECTION;							\
-	mftb	ra;			/* or get TB if no PURR */	\
+	MFTB(ra);			/* or get TB if no PURR */	\
 END_FTR_SECTION_IFCLR(CPU_FTR_PURR);					\
-	ld	rb,PACA_STARTPURR(r13);				\
+	ld	rb,PACA_STARTPURR(r13);					\
 	std	ra,PACA_STARTPURR(r13);					\
 	subf	rb,rb,ra;		/* subtract start value */	\
 	ld	ra,PACA_USER_TIME(r13);					\
@@ -45,9 +45,9 @@ BEGIN_FTR_SECTION;							\
 	mfspr	ra,SPRN_PURR;		/* get processor util. reg */	\
 END_FTR_SECTION_IFSET(CPU_FTR_PURR);					\
 BEGIN_FTR_SECTION;							\
-	mftb	ra;			/* or get TB if no PURR */	\
+	MFTB(ra);			/* or get TB if no PURR */	\
 END_FTR_SECTION_IFCLR(CPU_FTR_PURR);					\
-	ld	rb,PACA_STARTPURR(r13);				\
+	ld	rb,PACA_STARTPURR(r13);					\
 	std	ra,PACA_STARTPURR(r13);					\
 	subf	rb,rb,ra;		/* subtract start value */	\
 	ld	ra,PACA_SYSTEM_TIME(r13);				\
@@ -274,6 +274,16 @@ END_FTR_SECTION_IFSET(CPU_FTR_601)
 #define ISYNC_601
 #endif
 
+#ifdef CONFIG_PPC_CELL
+#define MFTB(dest)			\
+90:	mftb  dest;			\
+BEGIN_FTR_SECTION_NESTED(96);		\
+	cmpwi dest,0;			\
+	beq-  90b;			\
+END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96)
+#else
+#define MFTB(dest)			mftb dest
+#endif
 
 #ifndef CONFIG_SMP
 #define TLBSYNC
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 1fd7a2253e3..0afee17f33b 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -135,7 +135,7 @@ extern struct device_node *of_find_all_nodes(struct device_node *prev);
 extern struct device_node *of_get_parent(const struct device_node *node);
 extern struct device_node *of_get_next_child(const struct device_node *node,
 					     struct device_node *prev);
-extern struct property *of_find_property(struct device_node *np,
+extern struct property *of_find_property(const struct device_node *np,
 					 const char *name,
 					 int *lenp);
 extern struct device_node *of_node_get(struct device_node *node);
@@ -159,10 +159,12 @@ extern void of_detach_node(const struct device_node *);
 extern void finish_device_tree(void);
 extern void unflatten_device_tree(void);
 extern void early_init_devtree(void *);
-extern int device_is_compatible(struct device_node *device, const char *);
+extern int device_is_compatible(const struct device_node *device,
+				const char *);
 extern int machine_is_compatible(const char *compat);
-extern const void *get_property(struct device_node *node, const char *name,
-		int *lenp);
+extern const void *get_property(const struct device_node *node,
+				const char *name,
+				int *lenp);
 extern void print_properties(struct device_node *node);
 extern int prom_n_addr_cells(struct device_node* np);
 extern int prom_n_size_cells(struct device_node* np);
diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h
index 8fb96811b55..6faae7b14d5 100644
--- a/include/asm-powerpc/reg.h
+++ b/include/asm-powerpc/reg.h
@@ -591,6 +591,7 @@
 #define PV_630		0x0040
 #define PV_630p	0x0041
 #define PV_970MP	0x0044
+#define PV_970GX	0x0045
 #define PV_BE		0x0070
 #define PV_PA6T		0x0090
 
@@ -618,10 +619,35 @@
 				: "=r" (rval)); rval;})
 #define mtspr(rn, v)	asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
 
+#ifdef __powerpc64__
+#ifdef CONFIG_PPC_CELL
+#define mftb()		({unsigned long rval;				\
+			asm volatile(					\
+				"90:	mftb %0;\n"			\
+				"97:	cmpwi %0,0;\n"			\
+				"	beq- 90b;\n"			\
+				"99:\n"					\
+				".section __ftr_fixup,\"a\"\n"		\
+				".align 3\n"				\
+				"98:\n"					\
+				"	.llong %1\n"			\
+				"	.llong %1\n"			\
+				"	.llong 97b-98b\n"		\
+				"	.llong 99b-98b\n"		\
+				".previous"				\
+			: "=r" (rval) : "i" (CPU_FTR_CELL_TB_BUG)); rval;})
+#else
 #define mftb()		({unsigned long rval;	\
 			asm volatile("mftb %0" : "=r" (rval)); rval;})
+#endif /* !CONFIG_PPC_CELL */
+
+#else /* __powerpc64__ */
+
 #define mftbl()		({unsigned long rval;	\
 			asm volatile("mftbl %0" : "=r" (rval)); rval;})
+#define mftbu()		({unsigned long rval;	\
+			asm volatile("mftbu %0" : "=r" (rval)); rval;})
+#endif /* !__powerpc64__ */
 
 #define mttbl(v)	asm volatile("mttbl %0":: "r"(v))
 #define mttbu(v)	asm volatile("mttbu %0":: "r"(v))
diff --git a/include/asm-powerpc/systbl.h b/include/asm-powerpc/systbl.h
index eac85ce101b..97b43548417 100644
--- a/include/asm-powerpc/systbl.h
+++ b/include/asm-powerpc/systbl.h
@@ -261,7 +261,7 @@ SYSX(sys_ni_syscall, ppc_fadvise64_64, ppc_fadvise64_64)
 PPC_SYS_SPU(rtas)
 OLDSYS(debug_setcontext)
 SYSCALL(ni_syscall)
-SYSCALL(ni_syscall)
+COMPAT_SYS(migrate_pages)
 COMPAT_SYS(mbind)
 COMPAT_SYS(get_mempolicy)
 COMPAT_SYS(set_mempolicy)
@@ -304,3 +304,4 @@ SYSCALL_SPU(fchmodat)
 SYSCALL_SPU(faccessat)
 COMPAT_SYS_SPU(get_robust_list)
 COMPAT_SYS_SPU(set_robust_list)
+COMPAT_SYS(move_pages)
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 43627596003..f7b1227d645 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -25,8 +25,8 @@
  *
  * We have to use the sync instructions for mb(), since lwsync doesn't
  * order loads with respect to previous stores.  Lwsync is fine for
- * rmb(), though.  Note that lwsync is interpreted as sync by
- * 32-bit and older 64-bit CPUs.
+ * rmb(), though. Note that rmb() actually uses a sync on 32-bit
+ * architectures.
  *
  * For wmb(), we use sync since wmb is used in drivers to order
  * stores to system memory with respect to writes to the device.
@@ -34,7 +34,7 @@
  * SMP since it is only used to order updates to system memory.
  */
 #define mb()   __asm__ __volatile__ ("sync" : : : "memory")
-#define rmb()  __asm__ __volatile__ ("lwsync" : : : "memory")
+#define rmb()  __asm__ __volatile__ (__stringify(LWSYNC) : : : "memory")
 #define wmb()  __asm__ __volatile__ ("sync" : : : "memory")
 #define read_barrier_depends()  do { } while(0)
 
diff --git a/include/asm-powerpc/tce.h b/include/asm-powerpc/tce.h
index c9483adbf59..f663634cccc 100644
--- a/include/asm-powerpc/tce.h
+++ b/include/asm-powerpc/tce.h
@@ -22,6 +22,8 @@
 #define _ASM_POWERPC_TCE_H
 #ifdef __KERNEL__
 
+#include <asm/iommu.h>
+
 /*
  * Tces come in two formats, one for the virtual bus and a different
  * format for PCI
@@ -33,7 +35,6 @@
 
 #define TCE_SHIFT	12
 #define TCE_PAGE_SIZE	(1 << TCE_SHIFT)
-#define TCE_PAGE_FACTOR	(PAGE_SHIFT - TCE_SHIFT)
 
 #define TCE_ENTRY_SIZE		8		/* each TCE is 64 bits */
 
diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h
index b051d4c88c3..4cff977ad52 100644
--- a/include/asm-powerpc/time.h
+++ b/include/asm-powerpc/time.h
@@ -39,10 +39,6 @@ extern void generic_calibrate_decr(void);
 extern void wakeup_decrementer(void);
 extern void snapshot_timebase(void);
 
-#ifdef CONFIG_RTC_CLASS
-extern int __init rtc_class_hookup(void);
-#endif
-
 /* Some sane defaults: 125 MHz timebase, 1GHz processor */
 extern unsigned long ppc_proc_freq;
 #define DEFAULT_PROC_FREQ	(DEFAULT_TB_FREQ * 8)
@@ -82,30 +78,35 @@ struct div_result {
 #define __USE_RTC()	0
 #endif
 
-/* On ppc64 this gets us the whole timebase; on ppc32 just the lower half */
+#ifdef CONFIG_PPC64
+
+/* For compatibility, get_tbl() is defined as get_tb() on ppc64 */
+#define get_tbl		get_tb
+
+#else
+
 static inline unsigned long get_tbl(void)
 {
-	unsigned long tbl;
-
 #if defined(CONFIG_403GCX)
+	unsigned long tbl;
 	asm volatile("mfspr %0, 0x3dd" : "=r" (tbl));
+	return tbl;
 #else
-	asm volatile("mftb %0" : "=r" (tbl));
+	return mftbl();
 #endif
-	return tbl;
 }
 
 static inline unsigned int get_tbu(void)
 {
+#ifdef CONFIG_403GCX
 	unsigned int tbu;
-
-#if defined(CONFIG_403GCX)
 	asm volatile("mfspr %0, 0x3dc" : "=r" (tbu));
+	return tbu;
 #else
-	asm volatile("mftbu %0" : "=r" (tbu));
+	return mftbu();
 #endif
-	return tbu;
 }
+#endif /* !CONFIG_PPC64 */
 
 static inline unsigned int get_rtcl(void)
 {
@@ -131,7 +132,7 @@ static inline u64 get_tb(void)
 {
 	return mftb();
 }
-#else
+#else /* CONFIG_PPC64 */
 static inline u64 get_tb(void)
 {
 	unsigned int tbhi, tblo, tbhi2;
@@ -144,7 +145,7 @@ static inline u64 get_tb(void)
 
 	return ((u64)tbhi << 32) | tblo;
 }
-#endif
+#endif /* !CONFIG_PPC64 */
 
 static inline void set_tb(unsigned int upper, unsigned int lower)
 {
diff --git a/include/asm-powerpc/timex.h b/include/asm-powerpc/timex.h
index 3b9a8e78680..92dedde761d 100644
--- a/include/asm-powerpc/timex.h
+++ b/include/asm-powerpc/timex.h
@@ -8,6 +8,7 @@
  */
 
 #include <asm/cputable.h>
+#include <asm/reg.h>
 
 #define CLOCK_TICK_RATE	1024000 /* Underlying HZ */
 
@@ -15,13 +16,11 @@ typedef unsigned long cycles_t;
 
 static inline cycles_t get_cycles(void)
 {
-	cycles_t ret;
-
 #ifdef __powerpc64__
-
-	__asm__ __volatile__("mftb %0" : "=r" (ret) : );
-
+	return mftb();
 #else
+	cycles_t ret;
+
 	/*
 	 * For the "cycle" counter we use the timebase lower half.
 	 * Currently only used on SMP.
@@ -30,18 +29,19 @@ static inline cycles_t get_cycles(void)
 	ret = 0;
 
 	__asm__ __volatile__(
-		"98:	mftb %0\n"
+		"97:	mftb %0\n"
 		"99:\n"
 		".section __ftr_fixup,\"a\"\n"
+		".align 2\n"
+		"98:\n"
 		"	.long %1\n"
 		"	.long 0\n"
-		"	.long 98b\n"
-		"	.long 99b\n"
+		"	.long 97b-98b\n"
+		"	.long 99b-98b\n"
 		".previous"
 		: "=r" (ret) : "i" (CPU_FTR_601));
-#endif
-
 	return ret;
+#endif
 }
 
 #endif	/* __KERNEL__ */
diff --git a/include/asm-powerpc/topology.h b/include/asm-powerpc/topology.h
index 8f7ee16781a..9fe7894ee03 100644
--- a/include/asm-powerpc/topology.h
+++ b/include/asm-powerpc/topology.h
@@ -96,7 +96,13 @@ static inline void sysfs_remove_device_from_node(struct sys_device *dev,
 
 #ifdef CONFIG_SMP
 #include <asm/cputable.h>
-#define smt_capable() 		(cpu_has_feature(CPU_FTR_SMT))
+#define smt_capable()		(cpu_has_feature(CPU_FTR_SMT))
+
+#ifdef CONFIG_PPC64
+#include <asm/smp.h>
+
+#define topology_thread_siblings(cpu)	(cpu_sibling_map[cpu])
+#endif
 #endif
 
 #endif /* __KERNEL__ */
diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h
index 464a48cce7f..0e4ea37f646 100644
--- a/include/asm-powerpc/unistd.h
+++ b/include/asm-powerpc/unistd.h
@@ -276,7 +276,7 @@
 #define __NR_rtas		255
 #define __NR_sys_debug_setcontext 256
 /* Number 257 is reserved for vserver */
-/* 258 currently unused */
+#define __NR_migrate_pages	258
 #define __NR_mbind		259
 #define __NR_get_mempolicy	260
 #define __NR_set_mempolicy	261
@@ -323,10 +323,11 @@
 #define __NR_faccessat		298
 #define __NR_get_robust_list	299
 #define __NR_set_robust_list	300
+#define __NR_move_pages		301
 
 #ifdef __KERNEL__
 
-#define __NR_syscalls		301
+#define __NR_syscalls		302
 
 #define __NR__exit __NR_exit
 #define NR_syscalls	__NR_syscalls