Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge

18 files changed, 440 insertions, 971 deletions

diff --git a/include/asm-ppc64/btext.h b/include/asm-powerpc/btext.h
index 71cce36bc630..71cce36bc630 100644
--- a/include/asm-ppc64/btext.h
+++ b/include/asm-powerpc/btext.h
diff --git a/include/asm-ppc64/delay.h b/include/asm-powerpc/delay.h
index 05f198cf73d9..1492aa9ab716 100644
--- a/include/asm-ppc64/delay.h
+++ b/include/asm-powerpc/delay.h
@@ -1,5 +1,5 @@
-#ifndef _PPC64_DELAY_H
-#define _PPC64_DELAY_H
+#ifndef _ASM_POWERPC_DELAY_H
+#define _ASM_POWERPC_DELAY_H
 
 /*
  * Copyright 1996, Paul Mackerras.
@@ -15,10 +15,17 @@
 
 extern unsigned long tb_ticks_per_usec;
 
-/* define these here to prevent circular dependencies */ 
+#ifdef CONFIG_PPC64
+/* define these here to prevent circular dependencies */
+/* these instructions control the thread priority on multi-threaded cpus */
 #define __HMT_low()     asm volatile("or 1,1,1")
 #define __HMT_medium()  asm volatile("or 2,2,2")
-#define __barrier()     asm volatile("":::"memory")
+#else
+#define __HMT_low()
+#define __HMT_medium()
+#endif
+
+#define __barrier()     asm volatile("" ::: "memory")
 
 static inline unsigned long __get_tb(void)
 {
@@ -32,7 +39,7 @@ static inline void __delay(unsigned long loops)
 {
         unsigned long start = __get_tb();
 
-        while((__get_tb()-start) < loops)
+        while((__get_tb() - start) < loops)
                 __HMT_low();
         __HMT_medium();
         __barrier();
@@ -45,4 +52,4 @@ static inline void udelay(unsigned long usecs)
         __delay(loops);
 }
 
-#endif /* _PPC64_DELAY_H */
+#endif /* _ASM_POWERPC_DELAY_H */
diff --git a/include/asm-ppc64/eeh.h b/include/asm-powerpc/eeh.h
index 89f26ab31908..89f26ab31908 100644
--- a/include/asm-ppc64/eeh.h
+++ b/include/asm-powerpc/eeh.h
diff --git a/include/asm-ppc64/floppy.h b/include/asm-powerpc/floppy.h
index 5c497b588e54..64276a3f6153 100644
--- a/include/asm-ppc64/floppy.h
+++ b/include/asm-powerpc/floppy.h
@@ -7,22 +7,22 @@
  *
  * Copyright (C) 1995
  */
-#ifndef __ASM_PPC64_FLOPPY_H
-#define __ASM_PPC64_FLOPPY_H
+#ifndef __ASM_POWERPC_FLOPPY_H
+#define __ASM_POWERPC_FLOPPY_H
 
 #include <linux/config.h>
 #include <asm/machdep.h>
 
-#define fd_inb(port)                    inb_p(port)
-#define fd_outb(value,port)             outb_p(value,port)
+#define fd_inb(port)            inb_p(port)
+#define fd_outb(value,port)     outb_p(value,port)
 
 #define fd_enable_dma()         enable_dma(FLOPPY_DMA)
 #define fd_disable_dma()        disable_dma(FLOPPY_DMA)
-#define fd_request_dma()        request_dma(FLOPPY_DMA,"floppy")
+#define fd_request_dma()        request_dma(FLOPPY_DMA, "floppy")
 #define fd_free_dma()           free_dma(FLOPPY_DMA)
 #define fd_clear_dma_ff()       clear_dma_ff(FLOPPY_DMA)
-#define fd_set_dma_mode(mode)   set_dma_mode(FLOPPY_DMA,mode)
-#define fd_set_dma_count(count) set_dma_count(FLOPPY_DMA,count)
+#define fd_set_dma_mode(mode)   set_dma_mode(FLOPPY_DMA, mode)
+#define fd_set_dma_count(count) set_dma_count(FLOPPY_DMA, count)
 #define fd_enable_irq()         enable_irq(FLOPPY_IRQ)
 #define fd_disable_irq()        disable_irq(FLOPPY_IRQ)
 #define fd_cacheflush(addr,size) /* nothing */
@@ -35,10 +35,10 @@
 
 #include <linux/pci.h>
 
-#define fd_dma_setup(addr,size,mode,io) ppc64_fd_dma_setup(addr,size,mode,io)
+#define fd_dma_setup(addr,size,mode,io) powerpc_fd_dma_setup(addr,size,mode,io)
 
-static __inline__ int 
-ppc64_fd_dma_setup(char *addr, unsigned long size, int mode, int io)
+static __inline__ int powerpc_fd_dma_setup(char *addr, unsigned long size,
+                                           int mode, int io)
 {
         static unsigned long prev_size;
         static dma_addr_t bus_addr = 0;
@@ -55,9 +55,8 @@ ppc64_fd_dma_setup(char *addr, unsigned long size, int mode, int io)
                 bus_addr = 0;
         }
 
-        if (!bus_addr)  /* need to map it */ {
+        if (!bus_addr)  /* need to map it */
                 bus_addr = pci_map_single(NULL, addr, size, dir);
-        }
 
         /* remember this one as prev */
         prev_addr = addr;
@@ -103,4 +102,4 @@ static int FDC2 = -1;
 
 #define EXTRA_FLOPPY_PARAMS
 
-#endif /* __ASM_PPC64_FLOPPY_H */
+#endif /* __ASM_POWERPC_FLOPPY_H */
diff --git a/include/asm-ppc64/hvconsole.h b/include/asm-powerpc/hvconsole.h
index 6da93ce74dc0..6da93ce74dc0 100644
--- a/include/asm-ppc64/hvconsole.h
+++ b/include/asm-powerpc/hvconsole.h
diff --git a/include/asm-ppc64/hvcserver.h b/include/asm-powerpc/hvcserver.h
index aecba9665796..aecba9665796 100644
--- a/include/asm-ppc64/hvcserver.h
+++ b/include/asm-powerpc/hvcserver.h
diff --git a/include/asm-powerpc/kexec.h b/include/asm-powerpc/kexec.h
index 062ab9ba68eb..c72ffc709ea8 100644
--- a/include/asm-powerpc/kexec.h
+++ b/include/asm-powerpc/kexec.h
@@ -40,6 +40,7 @@ extern note_buf_t crash_notes[];
 #ifdef __powerpc64__
 extern void kexec_smp_wait(void);       /* get and clear naca physid, wait for
                                           master to copy new code to 0 */
+extern void __init kexec_setup(void);
 #else
 struct kimage;
 extern void machine_kexec_simple(struct kimage *image);
diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
index 5670f0cd6143..c011abb8b600 100644
--- a/include/asm-powerpc/machdep.h
+++ b/include/asm-powerpc/machdep.h
@@ -93,7 +93,9 @@ struct machdep_calls {
 
         void            (*init_IRQ)(void);
         int             (*get_irq)(struct pt_regs *);
-        void            (*cpu_irq_down)(int secondary);
+#ifdef CONFIG_KEXEC
+        void            (*kexec_cpu_down)(int crash_shutdown, int secondary);
+#endif
 
         /* PCI stuff */
         /* Called after scanning the bus, before allocating resources */
diff --git a/include/asm-ppc64/nvram.h b/include/asm-powerpc/nvram.h
index def47d720d3d..24bd8c2388ea 100644
--- a/include/asm-ppc64/nvram.h
+++ b/include/asm-powerpc/nvram.h
@@ -1,6 +1,5 @@
 /*
- * PreP compliant NVRAM access
- * This needs to be updated for PPC64
+ * NVRAM definitions and access functions.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -8,8 +7,8 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#ifndef _PPC64_NVRAM_H
-#define _PPC64_NVRAM_H
+#ifndef _ASM_POWERPC_NVRAM_H
+#define _ASM_POWERPC_NVRAM_H
 
 #define NVRW_CNT 0x20
 #define NVRAM_HEADER_LEN 16 /* sizeof(struct nvram_header) */
@@ -69,7 +68,6 @@ extern int nvram_clear_error_log(void);
 extern struct nvram_partition *nvram_find_partition(int sig, const char *name);
 
 extern int pSeries_nvram_init(void);
-extern int pmac_nvram_init(void);
 extern int mmio_nvram_init(void);
 
 /* PowerMac specific nvram stuffs */
@@ -88,7 +86,11 @@ extern u8	pmac_xpram_read(int xpaddr);
 extern void     pmac_xpram_write(int xpaddr, u8 data);
 
 /* Synchronize NVRAM */
-extern int      nvram_sync(void);
+extern void     nvram_sync(void);
+
+/* Normal access to NVRAM */
+extern unsigned char nvram_read_byte(int i);
+extern void nvram_write_byte(unsigned char c, int i);
 
 /* Some offsets in XPRAM */
 #define PMAC_XPRAM_MACHINE_LOC  0xe4
@@ -112,5 +114,6 @@ struct pmac_machine_location {
                                 _IOWR('p', 0x40, int)
 
 #define IOC_NVRAM_GET_OFFSET    _IOWR('p', 0x42, int)   /* Get NVRAM partition offset */
+#define IOC_NVRAM_SYNC          _IO('p', 0x43)          /* Sync NVRAM image */
 
-#endif /* _PPC64_NVRAM_H */
+#endif /* _ASM_POWERPC_NVRAM_H */
diff --git a/include/asm-powerpc/page.h b/include/asm-powerpc/page.h
new file mode 100644
index 000000000000..18c1e5ee81a3
--- /dev/null
+++ b/include/asm-powerpc/page.h
@@ -0,0 +1,179 @@
+#ifndef _ASM_POWERPC_PAGE_H
+#define _ASM_POWERPC_PAGE_H
+
+/*
+ * Copyright (C) 2001,2005 IBM Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifdef __KERNEL__
+#include <linux/config.h>
+#include <asm/asm-compat.h>
+
+/*
+ * On PPC32 page size is 4K. For PPC64 we support either 4K or 64K software
+ * page size. When using 64K pages however, whether we are really supporting
+ * 64K pages in HW or not is irrelevant to those definitions.
+ */
+#ifdef CONFIG_PPC_64K_PAGES
+#define PAGE_SHIFT              16
+#else
+#define PAGE_SHIFT              12
+#endif
+
+#define PAGE_SIZE               (ASM_CONST(1) << PAGE_SHIFT)
+
+/* We do define AT_SYSINFO_EHDR but don't use the gate mechanism */
+#define __HAVE_ARCH_GATE_AREA           1
+
+/*
+ * Subtle: (1 << PAGE_SHIFT) is an int, not an unsigned long. So if we
+ * assign PAGE_MASK to a larger type it gets extended the way we want
+ * (i.e. with 1s in the high bits)
+ */
+#define PAGE_MASK      (~((1 << PAGE_SHIFT) - 1))
+
+#define PAGE_OFFSET     ASM_CONST(CONFIG_KERNEL_START)
+#define KERNELBASE      PAGE_OFFSET
+
+#ifdef CONFIG_DISCONTIGMEM
+#define page_to_pfn(page)       discontigmem_page_to_pfn(page)
+#define pfn_to_page(pfn)        discontigmem_pfn_to_page(pfn)
+#define pfn_valid(pfn)          discontigmem_pfn_valid(pfn)
+#endif
+
+#ifdef CONFIG_FLATMEM
+#define pfn_to_page(pfn)        (mem_map + (pfn))
+#define page_to_pfn(page)       ((unsigned long)((page) - mem_map))
+#define pfn_valid(pfn)          ((pfn) < max_mapnr)
+#endif
+
+#define virt_to_page(kaddr)     pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
+#define pfn_to_kaddr(pfn)       __va((pfn) << PAGE_SHIFT)
+#define virt_addr_valid(kaddr)  pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
+
+#define __va(x) ((void *)((unsigned long)(x) + KERNELBASE))
+#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET)
+
+/*
+ * Unfortunately the PLT is in the BSS in the PPC32 ELF ABI,
+ * and needs to be executable.  This means the whole heap ends
+ * up being executable.
+ */
+#define VM_DATA_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \
+                                 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
+#define VM_DATA_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \
+                                 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
+#ifdef __powerpc64__
+#include <asm/page_64.h>
+#else
+#include <asm/page_32.h>
+#endif
+
+/* align addr on a size boundary - adjust address up/down if needed */
+#define _ALIGN_UP(addr,size)    (((addr)+((size)-1))&(~((size)-1)))
+#define _ALIGN_DOWN(addr,size)  ((addr)&(~((size)-1)))
+
+/* align addr on a size boundary - adjust address up if needed */
+#define _ALIGN(addr,size)     _ALIGN_UP(addr,size)
+
+/* to align the pointer to the (next) page boundary */
+#define PAGE_ALIGN(addr)        _ALIGN(addr, PAGE_SIZE)
+
+#ifndef __ASSEMBLY__
+
+#undef STRICT_MM_TYPECHECKS
+
+#ifdef STRICT_MM_TYPECHECKS
+/* These are used to make use of C type-checking. */
+
+/* PTE level */
+typedef struct { pte_basic_t pte; } pte_t;
+#define pte_val(x)      ((x).pte)
+#define __pte(x)        ((pte_t) { (x) })
+
+/* 64k pages additionally define a bigger "real PTE" type that gathers
+ * the "second half" part of the PTE for pseudo 64k pages
+ */
+#ifdef CONFIG_PPC_64K_PAGES
+typedef struct { pte_t pte; unsigned long hidx; } real_pte_t;
+#else
+typedef struct { pte_t pte; } real_pte_t;
+#endif
+
+/* PMD level */
+typedef struct { unsigned long pmd; } pmd_t;
+#define pmd_val(x)      ((x).pmd)
+#define __pmd(x)        ((pmd_t) { (x) })
+
+/* PUD level exusts only on 4k pages */
+#ifndef CONFIG_PPC_64K_PAGES
+typedef struct { unsigned long pud; } pud_t;
+#define pud_val(x)      ((x).pud)
+#define __pud(x)        ((pud_t) { (x) })
+#endif
+
+/* PGD level */
+typedef struct { unsigned long pgd; } pgd_t;
+#define pgd_val(x)      ((x).pgd)
+#define __pgd(x)        ((pgd_t) { (x) })
+
+/* Page protection bits */
+typedef struct { unsigned long pgprot; } pgprot_t;
+#define pgprot_val(x)   ((x).pgprot)
+#define __pgprot(x)     ((pgprot_t) { (x) })
+
+#else
+
+/*
+ * .. while these make it easier on the compiler
+ */
+
+typedef pte_basic_t pte_t;
+#define pte_val(x)      (x)
+#define __pte(x)        (x)
+
+#ifdef CONFIG_PPC_64K_PAGES
+typedef struct { pte_t pte; unsigned long hidx; } real_pte_t;
+#else
+typedef unsigned long real_pte_t;
+#endif
+
+
+typedef unsigned long pmd_t;
+#define pmd_val(x)      (x)
+#define __pmd(x)        (x)
+
+#ifndef CONFIG_PPC_64K_PAGES
+typedef unsigned long pud_t;
+#define pud_val(x)      (x)
+#define __pud(x)        (x)
+#endif
+
+typedef unsigned long pgd_t;
+#define pgd_val(x)      (x)
+#define pgprot_val(x)   (x)
+
+typedef unsigned long pgprot_t;
+#define __pgd(x)        (x)
+#define __pgprot(x)     (x)
+
+#endif
+
+struct page;
+extern void clear_user_page(void *page, unsigned long vaddr, struct page *pg);
+extern void copy_user_page(void *to, void *from, unsigned long vaddr,
+                struct page *p);
+extern int page_is_ram(unsigned long pfn);
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_POWERPC_PAGE_H */
diff --git a/include/asm-powerpc/page_32.h b/include/asm-powerpc/page_32.h
new file mode 100644
index 000000000000..7259cfd85da9
--- /dev/null
+++ b/include/asm-powerpc/page_32.h
@@ -0,0 +1,40 @@
+#ifndef _ASM_POWERPC_PAGE_32_H
+#define _ASM_POWERPC_PAGE_32_H
+
+#define VM_DATA_DEFAULT_FLAGS   VM_DATA_DEFAULT_FLAGS32
+
+#define PPC_MEMSTART    0
+
+#ifndef __ASSEMBLY__
+/*
+ * The basic type of a PTE - 64 bits for those CPUs with > 32 bit
+ * physical addressing.  For now this just the IBM PPC440.
+ */
+#ifdef CONFIG_PTE_64BIT
+typedef unsigned long long pte_basic_t;
+#define PTE_SHIFT       (PAGE_SHIFT - 3)        /* 512 ptes per page */
+#define PTE_FMT         "%16Lx"
+#else
+typedef unsigned long pte_basic_t;
+#define PTE_SHIFT       (PAGE_SHIFT - 2)        /* 1024 ptes per page */
+#define PTE_FMT         "%.8lx"
+#endif
+
+struct page;
+extern void clear_pages(void *page, int order);
+static inline void clear_page(void *page) { clear_pages(page, 0); }
+extern void copy_page(void *to, void *from);
+
+/* Pure 2^n version of get_order */
+extern __inline__ int get_order(unsigned long size)
+{
+        int lz;
+
+        size = (size-1) >> PAGE_SHIFT;
+        asm ("cntlzw %0,%1" : "=r" (lz) : "r" (size));
+        return 32 - lz;
+}
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_POWERPC_PAGE_32_H */
diff --git a/include/asm-powerpc/page_64.h b/include/asm-powerpc/page_64.h
new file mode 100644
index 000000000000..c16f106b5373
--- /dev/null
+++ b/include/asm-powerpc/page_64.h
@@ -0,0 +1,174 @@
+#ifndef _ASM_POWERPC_PAGE_64_H
+#define _ASM_POWERPC_PAGE_64_H
+
+/*
+ * Copyright (C) 2001 PPC64 Team, IBM Corp
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+/*
+ * We always define HW_PAGE_SHIFT to 12 as use of 64K pages remains Linux
+ * specific, every notion of page number shared with the firmware, TCEs,
+ * iommu, etc... still uses a page size of 4K.
+ */
+#define HW_PAGE_SHIFT           12
+#define HW_PAGE_SIZE            (ASM_CONST(1) << HW_PAGE_SHIFT)
+#define HW_PAGE_MASK            (~(HW_PAGE_SIZE-1))
+
+/*
+ * PAGE_FACTOR is the number of bits factor between PAGE_SHIFT and
+ * HW_PAGE_SHIFT, that is 4K pages.
+ */
+#define PAGE_FACTOR             (PAGE_SHIFT - HW_PAGE_SHIFT)
+
+#define REGION_SIZE   4UL
+#define REGION_SHIFT  60UL
+#define REGION_MASK   (((1UL<<REGION_SIZE)-1UL)<<REGION_SHIFT)
+
+#define VMALLOCBASE             ASM_CONST(0xD000000000000000)
+#define VMALLOC_REGION_ID       (VMALLOCBASE >> REGION_SHIFT)
+#define KERNEL_REGION_ID        (KERNELBASE >> REGION_SHIFT)
+#define USER_REGION_ID          (0UL)
+#define REGION_ID(ea)           (((unsigned long)(ea)) >> REGION_SHIFT)
+
+/* Segment size */
+#define SID_SHIFT               28
+#define SID_MASK                0xfffffffffUL
+#define ESID_MASK               0xfffffffff0000000UL
+#define GET_ESID(x)             (((x) >> SID_SHIFT) & SID_MASK)
+
+#ifndef __ASSEMBLY__
+#include <asm/cache.h>
+
+typedef unsigned long pte_basic_t;
+
+static __inline__ void clear_page(void *addr)
+{
+        unsigned long lines, line_size;
+
+        line_size = ppc64_caches.dline_size;
+        lines = ppc64_caches.dlines_per_page;
+
+        __asm__ __volatile__(
+        "mtctr  %1      # clear_page\n\
+1:      dcbz    0,%0\n\
+        add     %0,%0,%3\n\
+        bdnz+   1b"
+        : "=r" (addr)
+        : "r" (lines), "0" (addr), "r" (line_size)
+        : "ctr", "memory");
+}
+
+extern void copy_4K_page(void *to, void *from);
+
+#ifdef CONFIG_PPC_64K_PAGES
+static inline void copy_page(void *to, void *from)
+{
+        unsigned int i;
+        for (i=0; i < (1 << (PAGE_SHIFT - 12)); i++) {
+                copy_4K_page(to, from);
+                to += 4096;
+                from += 4096;
+        }
+}
+#else /* CONFIG_PPC_64K_PAGES */
+static inline void copy_page(void *to, void *from)
+{
+        copy_4K_page(to, from);
+}
+#endif /* CONFIG_PPC_64K_PAGES */
+
+/* Log 2 of page table size */
+extern u64 ppc64_pft_size;
+
+/* Large pages size */
+extern unsigned int HPAGE_SHIFT;
+#define HPAGE_SIZE              ((1UL) << HPAGE_SHIFT)
+#define HPAGE_MASK              (~(HPAGE_SIZE - 1))
+#define HUGETLB_PAGE_ORDER      (HPAGE_SHIFT - PAGE_SHIFT)
+
+#endif /* __ASSEMBLY__ */
+
+#ifdef CONFIG_HUGETLB_PAGE
+
+#define HTLB_AREA_SHIFT         40
+#define HTLB_AREA_SIZE          (1UL << HTLB_AREA_SHIFT)
+#define GET_HTLB_AREA(x)        ((x) >> HTLB_AREA_SHIFT)
+
+#define LOW_ESID_MASK(addr, len)    (((1U << (GET_ESID(addr+len-1)+1)) \
+                                      - (1U << GET_ESID(addr))) & 0xffff)
+#define HTLB_AREA_MASK(addr, len)   (((1U << (GET_HTLB_AREA(addr+len-1)+1)) \
+                                      - (1U << GET_HTLB_AREA(addr))) & 0xffff)
+
+#define ARCH_HAS_HUGEPAGE_ONLY_RANGE
+#define ARCH_HAS_PREPARE_HUGEPAGE_RANGE
+#define ARCH_HAS_SETCLEAR_HUGE_PTE
+
+#define touches_hugepage_low_range(mm, addr, len) \
+        (LOW_ESID_MASK((addr), (len)) & (mm)->context.low_htlb_areas)
+#define touches_hugepage_high_range(mm, addr, len) \
+        (HTLB_AREA_MASK((addr), (len)) & (mm)->context.high_htlb_areas)
+
+#define __within_hugepage_low_range(addr, len, segmask) \
+        ((LOW_ESID_MASK((addr), (len)) | (segmask)) == (segmask))
+#define within_hugepage_low_range(addr, len) \
+        __within_hugepage_low_range((addr), (len), \
+                                    current->mm->context.low_htlb_areas)
+#define __within_hugepage_high_range(addr, len, zonemask) \
+        ((HTLB_AREA_MASK((addr), (len)) | (zonemask)) == (zonemask))
+#define within_hugepage_high_range(addr, len) \
+        __within_hugepage_high_range((addr), (len), \
+                                    current->mm->context.high_htlb_areas)
+
+#define is_hugepage_only_range(mm, addr, len) \
+        (touches_hugepage_high_range((mm), (addr), (len)) || \
+          touches_hugepage_low_range((mm), (addr), (len)))
+#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
+
+#define in_hugepage_area(context, addr) \
+        (cpu_has_feature(CPU_FTR_16M_PAGE) && \
+         ( ((1 << GET_HTLB_AREA(addr)) & (context).high_htlb_areas) || \
+           ( ((addr) < 0x100000000L) && \
+             ((1 << GET_ESID(addr)) & (context).low_htlb_areas) ) ) )
+
+#else /* !CONFIG_HUGETLB_PAGE */
+
+#define in_hugepage_area(mm, addr)      0
+
+#endif /* !CONFIG_HUGETLB_PAGE */
+
+#ifdef MODULE
+#define __page_aligned __attribute__((__aligned__(PAGE_SIZE)))
+#else
+#define __page_aligned \
+        __attribute__((__aligned__(PAGE_SIZE), \
+                __section__(".data.page_aligned")))
+#endif
+
+#define VM_DATA_DEFAULT_FLAGS \
+        (test_thread_flag(TIF_32BIT) ? \
+         VM_DATA_DEFAULT_FLAGS32 : VM_DATA_DEFAULT_FLAGS64)
+
+/*
+ * This is the default if a program doesn't have a PT_GNU_STACK
+ * program header entry. The PPC64 ELF ABI has a non executable stack
+ * stack by default, so in the absense of a PT_GNU_STACK program header
+ * we turn execute permission off.
+ */
+#define VM_STACK_DEFAULT_FLAGS32        (VM_READ | VM_WRITE | VM_EXEC | \
+                                         VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
+#define VM_STACK_DEFAULT_FLAGS64        (VM_READ | VM_WRITE | \
+                                         VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
+#define VM_STACK_DEFAULT_FLAGS \
+        (test_thread_flag(TIF_32BIT) ? \
+         VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64)
+
+#include <asm-generic/page.h>
+
+#endif /* _ASM_POWERPC_PAGE_64_H */
diff --git a/include/asm-ppc64/serial.h b/include/asm-powerpc/serial.h
index d6bcb79b7d7b..b273d630b32f 100644
--- a/include/asm-ppc64/serial.h
+++ b/include/asm-powerpc/serial.h
@@ -1,21 +1,16 @@
 /*
- * include/asm-ppc64/serial.h
- */
-#ifndef _PPC64_SERIAL_H
-#define _PPC64_SERIAL_H
-
-/*
- * This assumes you have a 1.8432 MHz clock for your UART.
- *
- * It'd be nice if someone built a serial card with a 24.576 MHz
- * clock, since the 16550A is capable of handling a top speed of 1.5
- * megabits/second; but this requires the faster clock.
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */
+#ifndef _ASM_POWERPC_SERIAL_H
+#define _ASM_POWERPC_SERIAL_H
+
+/*
+ * Serial ports are not listed here, because they are discovered
+ * through the device tree.
+ */
 
 /* Default baud base if not found in device-tree */
 #define BASE_BAUD ( 1843200 / 16 )
diff --git a/include/asm-powerpc/vdso_datapage.h b/include/asm-powerpc/vdso_datapage.h
index fc323b51366b..411832d5bbdb 100644
--- a/include/asm-powerpc/vdso_datapage.h
+++ b/include/asm-powerpc/vdso_datapage.h
@@ -73,7 +73,7 @@ struct vdso_data {
         /* those additional ones don't have to be located anywhere
          * special as they were not part of the original systemcfg
          */
-        __s64 wtom_clock_sec;                   /* Wall to monotonic clock */
+        __s32 wtom_clock_sec;                   /* Wall to monotonic clock */
         __s32 wtom_clock_nsec;
         __u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of syscalls  */
         __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */
diff --git a/include/asm-ppc/nvram.h b/include/asm-ppc/nvram.h
deleted file mode 100644
index 31ef16e3fc4f..000000000000
--- a/include/asm-ppc/nvram.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * PreP compliant NVRAM access
- */
-
-#ifdef __KERNEL__
-#ifndef _PPC_NVRAM_H
-#define _PPC_NVRAM_H
-
-#define NVRAM_AS0  0x74
-#define NVRAM_AS1  0x75
-#define NVRAM_DATA 0x77
-
-
-/* RTC Offsets */
-
-#define MOTO_RTC_SECONDS                0x1FF9
-#define MOTO_RTC_MINUTES                0x1FFA
-#define MOTO_RTC_HOURS          0x1FFB
-#define MOTO_RTC_DAY_OF_WEEK            0x1FFC
-#define MOTO_RTC_DAY_OF_MONTH   0x1FFD
-#define MOTO_RTC_MONTH          0x1FFE
-#define MOTO_RTC_YEAR           0x1FFF
-#define MOTO_RTC_CONTROLA            0x1FF8
-#define MOTO_RTC_CONTROLB            0x1FF9
-
-/* PowerMac specific nvram stuffs */
-
-enum {
-        pmac_nvram_OF,          /* Open Firmware partition */
-        pmac_nvram_XPRAM,       /* MacOS XPRAM partition */
-        pmac_nvram_NR           /* MacOS Name Registry partition */
-};
-
-/* Return partition offset in nvram */
-extern int      pmac_get_partition(int partition);
-
-/* Direct access to XPRAM on PowerMacs */
-extern u8       pmac_xpram_read(int xpaddr);
-extern void     pmac_xpram_write(int xpaddr, u8 data);
-
-/* Synchronize NVRAM */
-extern void     nvram_sync(void);
-
-/* Normal access to NVRAM */
-extern unsigned char nvram_read_byte(int i);
-extern void nvram_write_byte(unsigned char c, int i);
-
-/* Some offsets in XPRAM */
-#define PMAC_XPRAM_MACHINE_LOC  0xe4
-#define PMAC_XPRAM_SOUND_VOLUME 0x08
-
-/* Machine location structure in PowerMac XPRAM */
-struct pmac_machine_location {
-        unsigned int    latitude;       /* 2+30 bit Fractional number */
-        unsigned int    longitude;      /* 2+30 bit Fractional number */
-        unsigned int    delta;          /* mix of GMT delta and DLS */
-};
-
-/*
- * /dev/nvram ioctls
- *
- * Note that PMAC_NVRAM_GET_OFFSET is still supported, but is
- * definitely obsolete. Do not use it if you can avoid it
- */
-
-#define OBSOLETE_PMAC_NVRAM_GET_OFFSET \
-                                _IOWR('p', 0x40, int)
-
-#define IOC_NVRAM_GET_OFFSET    _IOWR('p', 0x42, int)   /* Get NVRAM partition offset */
-#define IOC_NVRAM_SYNC          _IO('p', 0x43)          /* Sync NVRAM image */
-
-#endif
-#endif /* __KERNEL__ */
diff --git a/include/asm-ppc64/page.h b/include/asm-ppc64/page.h
deleted file mode 100644
index 3efc3288f7e9..000000000000
--- a/include/asm-ppc64/page.h
+++ /dev/null
@@ -1,328 +0,0 @@
-#ifndef _PPC64_PAGE_H
-#define _PPC64_PAGE_H
-
-/*
- * Copyright (C) 2001 PPC64 Team, IBM Corp
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/config.h>
-#include <asm/asm-compat.h>
-
-/*
- * We support either 4k or 64k software page size. When using 64k pages
- * however, wether we are really supporting 64k pages in HW or not is
- * irrelevant to those definitions. We always define HW_PAGE_SHIFT to 12
- * as use of 64k pages remains a linux kernel specific, every notion of
- * page number shared with the firmware, TCEs, iommu, etc... still assumes
- * a page size of 4096.
- */
-#ifdef CONFIG_PPC_64K_PAGES
-#define PAGE_SHIFT              16
-#else
-#define PAGE_SHIFT              12
-#endif
-
-#define PAGE_SIZE               (ASM_CONST(1) << PAGE_SHIFT)
-#define PAGE_MASK               (~(PAGE_SIZE-1))
-
-/* HW_PAGE_SHIFT is always 4k pages */
-#define HW_PAGE_SHIFT           12
-#define HW_PAGE_SIZE            (ASM_CONST(1) << HW_PAGE_SHIFT)
-#define HW_PAGE_MASK            (~(HW_PAGE_SIZE-1))
-
-/* PAGE_FACTOR is the number of bits factor between PAGE_SHIFT and
- * HW_PAGE_SHIFT, that is 4k pages
- */
-#define PAGE_FACTOR             (PAGE_SHIFT - HW_PAGE_SHIFT)
-
-/* Segment size */
-#define SID_SHIFT               28
-#define SID_MASK                0xfffffffffUL
-#define ESID_MASK               0xfffffffff0000000UL
-#define GET_ESID(x)             (((x) >> SID_SHIFT) & SID_MASK)
-
-/* Large pages size */
-
-#ifndef __ASSEMBLY__
-extern unsigned int HPAGE_SHIFT;
-#define HPAGE_SIZE              ((1UL) << HPAGE_SHIFT)
-#define HPAGE_MASK              (~(HPAGE_SIZE - 1))
-#define HUGETLB_PAGE_ORDER      (HPAGE_SHIFT - PAGE_SHIFT)
-#endif /* __ASSEMBLY__ */
-
-#ifdef CONFIG_HUGETLB_PAGE
-
-
-#define HTLB_AREA_SHIFT         40
-#define HTLB_AREA_SIZE          (1UL << HTLB_AREA_SHIFT)
-#define GET_HTLB_AREA(x)        ((x) >> HTLB_AREA_SHIFT)
-
-#define LOW_ESID_MASK(addr, len)    (((1U << (GET_ESID(addr+len-1)+1)) \
-                                      - (1U << GET_ESID(addr))) & 0xffff)
-#define HTLB_AREA_MASK(addr, len)   (((1U << (GET_HTLB_AREA(addr+len-1)+1)) \
-                                      - (1U << GET_HTLB_AREA(addr))) & 0xffff)
-
-#define ARCH_HAS_HUGEPAGE_ONLY_RANGE
-#define ARCH_HAS_PREPARE_HUGEPAGE_RANGE
-#define ARCH_HAS_SETCLEAR_HUGE_PTE
-
-#define touches_hugepage_low_range(mm, addr, len) \
-        (LOW_ESID_MASK((addr), (len)) & (mm)->context.low_htlb_areas)
-#define touches_hugepage_high_range(mm, addr, len) \
-        (HTLB_AREA_MASK((addr), (len)) & (mm)->context.high_htlb_areas)
-
-#define __within_hugepage_low_range(addr, len, segmask) \
-        ((LOW_ESID_MASK((addr), (len)) | (segmask)) == (segmask))
-#define within_hugepage_low_range(addr, len) \
-        __within_hugepage_low_range((addr), (len), \
-                                    current->mm->context.low_htlb_areas)
-#define __within_hugepage_high_range(addr, len, zonemask) \
-        ((HTLB_AREA_MASK((addr), (len)) | (zonemask)) == (zonemask))
-#define within_hugepage_high_range(addr, len) \
-        __within_hugepage_high_range((addr), (len), \
-                                    current->mm->context.high_htlb_areas)
-
-#define is_hugepage_only_range(mm, addr, len) \
-        (touches_hugepage_high_range((mm), (addr), (len)) || \
-          touches_hugepage_low_range((mm), (addr), (len)))
-#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
-
-#define in_hugepage_area(context, addr) \
-        (cpu_has_feature(CPU_FTR_16M_PAGE) && \
-         ( ((1 << GET_HTLB_AREA(addr)) & (context).high_htlb_areas) || \
-           ( ((addr) < 0x100000000L) && \
-             ((1 << GET_ESID(addr)) & (context).low_htlb_areas) ) ) )
-
-#else /* !CONFIG_HUGETLB_PAGE */
-
-#define in_hugepage_area(mm, addr)      0
-
-#endif /* !CONFIG_HUGETLB_PAGE */
-
-/* align addr on a size boundary - adjust address up/down if needed */
-#define _ALIGN_UP(addr,size)    (((addr)+((size)-1))&(~((size)-1)))
-#define _ALIGN_DOWN(addr,size)  ((addr)&(~((size)-1)))
-
-/* align addr on a size boundary - adjust address up if needed */
-#define _ALIGN(addr,size)     _ALIGN_UP(addr,size)
-
-/* to align the pointer to the (next) page boundary */
-#define PAGE_ALIGN(addr)        _ALIGN(addr, PAGE_SIZE)
-
-#ifdef __KERNEL__
-#ifndef __ASSEMBLY__
-#include <asm/cache.h>
-
-#undef STRICT_MM_TYPECHECKS
-
-#define REGION_SIZE   4UL
-#define REGION_SHIFT  60UL
-#define REGION_MASK   (((1UL<<REGION_SIZE)-1UL)<<REGION_SHIFT)
-
-static __inline__ void clear_page(void *addr)
-{
-        unsigned long lines, line_size;
-
-        line_size = ppc64_caches.dline_size;
-        lines = ppc64_caches.dlines_per_page;
-
-        __asm__ __volatile__(
-        "mtctr          %1      # clear_page\n\
-1:      dcbz    0,%0\n\
-        add     %0,%0,%3\n\
-        bdnz+   1b"
-        : "=r" (addr)
-        : "r" (lines), "0" (addr), "r" (line_size)
-        : "ctr", "memory");
-}
-
-extern void copy_4K_page(void *to, void *from);
-
-#ifdef CONFIG_PPC_64K_PAGES
-static inline void copy_page(void *to, void *from)
-{
-        unsigned int i;
-        for (i=0; i < (1 << (PAGE_SHIFT - 12)); i++) {
-                copy_4K_page(to, from);
-                to += 4096;
-                from += 4096;
-        }
-}
-#else /* CONFIG_PPC_64K_PAGES */
-static inline void copy_page(void *to, void *from)
-{
-        copy_4K_page(to, from);
-}
-#endif /* CONFIG_PPC_64K_PAGES */
-
-struct page;
-extern void clear_user_page(void *page, unsigned long vaddr, struct page *pg);
-extern void copy_user_page(void *to, void *from, unsigned long vaddr, struct page *p);
-
-#ifdef STRICT_MM_TYPECHECKS
-/*
- * These are used to make use of C type-checking.  
- * Entries in the pte table are 64b, while entries in the pgd & pmd are 32b.
- */
-
-/* PTE level */
-typedef struct { unsigned long pte; } pte_t;
-#define pte_val(x)      ((x).pte)
-#define __pte(x)        ((pte_t) { (x) })
-
-/* 64k pages additionally define a bigger "real PTE" type that gathers
- * the "second half" part of the PTE for pseudo 64k pages
- */
-#ifdef CONFIG_PPC_64K_PAGES
-typedef struct { pte_t pte; unsigned long hidx; } real_pte_t;
-#else
-typedef struct { pte_t pte; } real_pte_t;
-#endif
-
-/* PMD level */
-typedef struct { unsigned long pmd; } pmd_t;
-#define pmd_val(x)      ((x).pmd)
-#define __pmd(x)        ((pmd_t) { (x) })
-
-/* PUD level exusts only on 4k pages */
-#ifndef CONFIG_PPC_64K_PAGES
-typedef struct { unsigned long pud; } pud_t;
-#define pud_val(x)      ((x).pud)
-#define __pud(x)        ((pud_t) { (x) })
-#endif
-
-/* PGD level */
-typedef struct { unsigned long pgd; } pgd_t;
-#define pgd_val(x)      ((x).pgd)
-#define __pgd(x)        ((pgd_t) { (x) })
-
-/* Page protection bits */
-typedef struct { unsigned long pgprot; } pgprot_t;
-#define pgprot_val(x)   ((x).pgprot)
-#define __pgprot(x)     ((pgprot_t) { (x) })
-
-#else
-
-/*
- * .. while these make it easier on the compiler
- */
-
-typedef unsigned long pte_t;
-#define pte_val(x)      (x)
-#define __pte(x)        (x)
-
-#ifdef CONFIG_PPC_64K_PAGES
-typedef struct { pte_t pte; unsigned long hidx; } real_pte_t;
-#else
-typedef unsigned long real_pte_t;
-#endif
-
-
-typedef unsigned long pmd_t;
-#define pmd_val(x)      (x)
-#define __pmd(x)        (x)
-
-#ifndef CONFIG_PPC_64K_PAGES
-typedef unsigned long pud_t;
-#define pud_val(x)      (x)
-#define __pud(x)        (x)
-#endif
-
-typedef unsigned long pgd_t;
-#define pgd_val(x)      (x)
-#define pgprot_val(x)   (x)
-
-typedef unsigned long pgprot_t;
-#define __pgd(x)        (x)
-#define __pgprot(x)     (x)
-
-#endif
-
-#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET)
-
-extern int page_is_ram(unsigned long pfn);
-
-extern u64 ppc64_pft_size;              /* Log 2 of page table size */
-
-/* We do define AT_SYSINFO_EHDR but don't use the gate mecanism */
-#define __HAVE_ARCH_GATE_AREA           1
-
-#endif /* __ASSEMBLY__ */
-
-#ifdef MODULE
-#define __page_aligned __attribute__((__aligned__(PAGE_SIZE)))
-#else
-#define __page_aligned \
-        __attribute__((__aligned__(PAGE_SIZE), \
-                __section__(".data.page_aligned")))
-#endif
-
-
-/* This must match the -Ttext linker address            */
-/* Note: tophys & tovirt make assumptions about how     */
-/*       KERNELBASE is defined for performance reasons. */
-/*       When KERNELBASE moves, those macros may have   */
-/*             to change!                               */
-#define PAGE_OFFSET     ASM_CONST(0xC000000000000000)
-#define KERNELBASE      PAGE_OFFSET
-#define VMALLOCBASE     ASM_CONST(0xD000000000000000)
-
-#define VMALLOC_REGION_ID  (VMALLOCBASE >> REGION_SHIFT)
-#define KERNEL_REGION_ID   (KERNELBASE >> REGION_SHIFT)
-#define USER_REGION_ID     (0UL)
-#define REGION_ID(ea)      (((unsigned long)(ea)) >> REGION_SHIFT)
-
-#define __va(x) ((void *)((unsigned long)(x) + KERNELBASE))
-
-#ifdef CONFIG_FLATMEM
-#define pfn_to_page(pfn)        (mem_map + (pfn))
-#define page_to_pfn(page)       ((unsigned long)((page) - mem_map))
-#define pfn_valid(pfn)          ((pfn) < max_mapnr)
-#endif
-
-#define virt_to_page(kaddr)     pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
-#define pfn_to_kaddr(pfn)       __va((pfn) << PAGE_SHIFT)
-
-#define virt_addr_valid(kaddr)  pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
-
-/*
- * Unfortunately the PLT is in the BSS in the PPC32 ELF ABI,
- * and needs to be executable.  This means the whole heap ends
- * up being executable.
- */
-#define VM_DATA_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \
-                                 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
-#define VM_DATA_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \
-                                 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
-#define VM_DATA_DEFAULT_FLAGS \
-        (test_thread_flag(TIF_32BIT) ? \
-         VM_DATA_DEFAULT_FLAGS32 : VM_DATA_DEFAULT_FLAGS64)
-
-/*
- * This is the default if a program doesn't have a PT_GNU_STACK
- * program header entry. The PPC64 ELF ABI has a non executable stack
- * stack by default, so in the absense of a PT_GNU_STACK program header
- * we turn execute permission off.
- */
-#define VM_STACK_DEFAULT_FLAGS32        (VM_READ | VM_WRITE | VM_EXEC | \
-                                         VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
-#define VM_STACK_DEFAULT_FLAGS64        (VM_READ | VM_WRITE | \
-                                         VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
-#define VM_STACK_DEFAULT_FLAGS \
-        (test_thread_flag(TIF_32BIT) ? \
-         VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64)
-
-#endif /* __KERNEL__ */
-
-#include <asm-generic/page.h>
-
-#endif /* _PPC64_PAGE_H */
diff --git a/include/asm-ppc64/prom.h b/include/asm-ppc64/prom.h
deleted file mode 100644
index ddfe186589fa..000000000000
--- a/include/asm-ppc64/prom.h
+++ /dev/null
@@ -1,220 +0,0 @@
-#ifndef _PPC64_PROM_H
-#define _PPC64_PROM_H
-
-/*
- * Definitions for talking to the Open Firmware PROM on
- * Power Macintosh computers.
- *
- * Copyright (C) 1996 Paul Mackerras.
- *
- * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#include <linux/config.h>
-#include <linux/proc_fs.h>
-#include <asm/atomic.h>
-
-#define PTRRELOC(x)     ((typeof(x))((unsigned long)(x) - offset))
-#define PTRUNRELOC(x)   ((typeof(x))((unsigned long)(x) + offset))
-#define RELOC(x)        (*PTRRELOC(&(x)))
-
-/* Definitions used by the flattened device tree */
-#define OF_DT_HEADER            0xd00dfeed      /* marker */
-#define OF_DT_BEGIN_NODE        0x1             /* Start of node, full name */
-#define OF_DT_END_NODE          0x2             /* End node */
-#define OF_DT_PROP              0x3             /* Property: name off, size,
-                                                 * content */
-#define OF_DT_NOP               0x4             /* nop */
-#define OF_DT_END               0x9
-
-#define OF_DT_VERSION           0x10
-
-/*
- * This is what gets passed to the kernel by prom_init or kexec
- *
- * The dt struct contains the device tree structure, full pathes and
- * property contents. The dt strings contain a separate block with just
- * the strings for the property names, and is fully page aligned and
- * self contained in a page, so that it can be kept around by the kernel,
- * each property name appears only once in this page (cheap compression)
- *
- * the mem_rsvmap contains a map of reserved ranges of physical memory,
- * passing it here instead of in the device-tree itself greatly simplifies
- * the job of everybody. It's just a list of u64 pairs (base/size) that
- * ends when size is 0
- */
-struct boot_param_header
-{
-        u32     magic;                  /* magic word OF_DT_HEADER */
-        u32     totalsize;              /* total size of DT block */
-        u32     off_dt_struct;          /* offset to structure */
-        u32     off_dt_strings;         /* offset to strings */
-        u32     off_mem_rsvmap;         /* offset to memory reserve map */
-        u32     version;                /* format version */
-        u32     last_comp_version;      /* last compatible version */
-        /* version 2 fields below */
-        u32     boot_cpuid_phys;        /* Physical CPU id we're booting on */
-        /* version 3 fields below */
-        u32     dt_strings_size;        /* size of the DT strings block */
-};
-
-
-
-typedef u32 phandle;
-typedef u32 ihandle;
-
-struct address_range {
-        unsigned long space;
-        unsigned long address;
-        unsigned long size;
-};
-
-struct interrupt_info {
-        int     line;
-        int     sense;          /* +ve/-ve logic, edge or level, etc. */
-};
-
-struct pci_address {
-        u32 a_hi;
-        u32 a_mid;
-        u32 a_lo;
-};
-
-struct isa_address {
-        u32 a_hi;
-        u32 a_lo;
-};
-
-struct isa_range {
-        struct isa_address isa_addr;
-        struct pci_address pci_addr;
-        unsigned int size;
-};
-
-struct reg_property {
-        unsigned long address;
-        unsigned long size;
-};
-
-struct reg_property32 {
-        unsigned int address;
-        unsigned int size;
-};
-
-struct reg_property64 {
-        unsigned long address;
-        unsigned long size;
-};
-
-struct property {
-        char    *name;
-        int     length;
-        unsigned char *value;
-        struct property *next;
-};
-
-struct device_node {
-        char    *name;
-        char    *type;
-        phandle node;
-        phandle linux_phandle;
-        int     n_addrs;
-        struct  address_range *addrs;
-        int     n_intrs;
-        struct  interrupt_info *intrs;
-        char    *full_name;
-
-        struct  property *properties;
-        struct  device_node *parent;
-        struct  device_node *child;
-        struct  device_node *sibling;
-        struct  device_node *next;      /* next device of same type */
-        struct  device_node *allnext;   /* next in list of all nodes */
-        struct  proc_dir_entry *pde;    /* this node's proc directory */
-        struct  kref kref;
-        unsigned long _flags;
-        void    *data;
-#ifdef CONFIG_PPC_ISERIES
-        struct list_head Device_List;
-#endif
-};
-
-extern struct device_node *of_chosen;
-
-/* flag descriptions */
-#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
-
-#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
-#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
-
-/*
- * Until 32-bit ppc can add proc_dir_entries to its device_node
- * definition, we cannot refer to pde, name_link, and addr_link
- * in arch-independent code.
- */
-#define HAVE_ARCH_DEVTREE_FIXUPS
-
-static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
-{
-        dn->pde = de;
-}
-
-
-/* OBSOLETE: Old stlye node lookup */
-extern struct device_node *find_devices(const char *name);
-extern struct device_node *find_type_devices(const char *type);
-extern struct device_node *find_path_device(const char *path);
-extern struct device_node *find_compatible_devices(const char *type,
-                                                   const char *compat);
-extern struct device_node *find_all_nodes(void);
-
-/* New style node lookup */
-extern struct device_node *of_find_node_by_name(struct device_node *from,
-        const char *name);
-extern struct device_node *of_find_node_by_type(struct device_node *from,
-        const char *type);
-extern struct device_node *of_find_compatible_node(struct device_node *from,
-        const char *type, const char *compat);
-extern struct device_node *of_find_node_by_path(const char *path);
-extern struct device_node *of_find_node_by_phandle(phandle handle);
-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 device_node *of_node_get(struct device_node *node);
-extern void of_node_put(struct device_node *node);
-
-/* For scanning the flat device-tree at boot time */
-int __init of_scan_flat_dt(int (*it)(unsigned long node,
-                                     const char *uname, int depth,
-                                     void *data),
-                           void *data);
-void* __init of_get_flat_dt_prop(unsigned long node, const char *name,
-                                 unsigned long *size);
-
-/* For updating the device tree at runtime */
-extern void of_attach_node(struct device_node *);
-extern void of_detach_node(const struct device_node *);
-
-/* Other Prototypes */
-extern unsigned long prom_init(unsigned long, unsigned long, unsigned long,
-        unsigned long, unsigned long);
-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 machine_is_compatible(const char *compat);
-extern unsigned char *get_property(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);
-extern int prom_n_intr_cells(struct device_node* np);
-extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
-extern int prom_add_property(struct device_node* np, struct property* prop);
-
-#endif /* _PPC64_PROM_H */
diff --git a/include/asm-ppc64/system.h b/include/asm-ppc64/system.h
deleted file mode 100644
index bf9a6aba19c9..000000000000
--- a/include/asm-ppc64/system.h
+++ /dev/null
@@ -1,310 +0,0 @@
-#ifndef __PPC64_SYSTEM_H
-#define __PPC64_SYSTEM_H
-
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/config.h>
-#include <linux/compiler.h>
-#include <asm/page.h>
-#include <asm/processor.h>
-#include <asm/hw_irq.h>
-#include <asm/synch.h>
-
-/*
- * Memory barrier.
- * The sync instruction guarantees that all memory accesses initiated
- * by this processor have been performed (with respect to all other
- * mechanisms that access memory).  The eieio instruction is a barrier
- * providing an ordering (separately) for (a) cacheable stores and (b)
- * loads and stores to non-cacheable memory (e.g. I/O devices).
- *
- * mb() prevents loads and stores being reordered across this point.
- * rmb() prevents loads being reordered across this point.
- * wmb() prevents stores being reordered across this point.
- * read_barrier_depends() prevents data-dependent loads being reordered
- *      across this point (nop on PPC).
- *
- * 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.
- * For wmb(), we use sync since wmb is used in drivers to order
- * stores to system memory with respect to writes to the device.
- * However, smp_wmb() can be a lighter-weight eieio barrier on
- * 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 wmb()  __asm__ __volatile__ ("sync" : : : "memory")
-#define read_barrier_depends()  do { } while(0)
-
-#define set_mb(var, value)      do { var = value; smp_mb(); } while (0)
-#define set_wmb(var, value)     do { var = value; smp_wmb(); } while (0)
-
-#ifdef CONFIG_SMP
-#define smp_mb()        mb()
-#define smp_rmb()       rmb()
-#define smp_wmb()       eieio()
-#define smp_read_barrier_depends()  read_barrier_depends()
-#else
-#define smp_mb()        __asm__ __volatile__("": : :"memory")
-#define smp_rmb()       __asm__ __volatile__("": : :"memory")
-#define smp_wmb()       __asm__ __volatile__("": : :"memory")
-#define smp_read_barrier_depends()  do { } while(0)
-#endif /* CONFIG_SMP */
-
-#ifdef __KERNEL__
-struct task_struct;
-struct pt_regs;
-
-#ifdef CONFIG_DEBUGGER
-
-extern int (*__debugger)(struct pt_regs *regs);
-extern int (*__debugger_ipi)(struct pt_regs *regs);
-extern int (*__debugger_bpt)(struct pt_regs *regs);
-extern int (*__debugger_sstep)(struct pt_regs *regs);
-extern int (*__debugger_iabr_match)(struct pt_regs *regs);
-extern int (*__debugger_dabr_match)(struct pt_regs *regs);
-extern int (*__debugger_fault_handler)(struct pt_regs *regs);
-
-#define DEBUGGER_BOILERPLATE(__NAME) \
-static inline int __NAME(struct pt_regs *regs) \
-{ \
-        if (unlikely(__ ## __NAME)) \
-                return __ ## __NAME(regs); \
-        return 0; \
-}
-
-DEBUGGER_BOILERPLATE(debugger)
-DEBUGGER_BOILERPLATE(debugger_ipi)
-DEBUGGER_BOILERPLATE(debugger_bpt)
-DEBUGGER_BOILERPLATE(debugger_sstep)
-DEBUGGER_BOILERPLATE(debugger_iabr_match)
-DEBUGGER_BOILERPLATE(debugger_dabr_match)
-DEBUGGER_BOILERPLATE(debugger_fault_handler)
-
-#ifdef CONFIG_XMON
-extern void xmon_init(int enable);
-#endif
-
-#else
-static inline int debugger(struct pt_regs *regs) { return 0; }
-static inline int debugger_ipi(struct pt_regs *regs) { return 0; }
-static inline int debugger_bpt(struct pt_regs *regs) { return 0; }
-static inline int debugger_sstep(struct pt_regs *regs) { return 0; }
-static inline int debugger_iabr_match(struct pt_regs *regs) { return 0; }
-static inline int debugger_dabr_match(struct pt_regs *regs) { return 0; }
-static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; }
-#endif
-
-extern int set_dabr(unsigned long dabr);
-extern void _exception(int signr, struct pt_regs *regs, int code,
-                       unsigned long addr);
-extern int fix_alignment(struct pt_regs *regs);
-extern void bad_page_fault(struct pt_regs *regs, unsigned long address,
-                           int sig);
-extern void show_regs(struct pt_regs * regs);
-extern void low_hash_fault(struct pt_regs *regs, unsigned long address);
-extern int die(const char *str, struct pt_regs *regs, long err);
-
-extern int _get_PVR(void);
-extern void giveup_fpu(struct task_struct *);
-extern void disable_kernel_fp(void);
-extern void flush_fp_to_thread(struct task_struct *);
-extern void enable_kernel_fp(void);
-extern void giveup_altivec(struct task_struct *);
-extern void disable_kernel_altivec(void);
-extern void enable_kernel_altivec(void);
-extern int emulate_altivec(struct pt_regs *);
-extern void cvt_fd(float *from, double *to, struct thread_struct *thread);
-extern void cvt_df(double *from, float *to, struct thread_struct *thread);
-
-#ifdef CONFIG_ALTIVEC
-extern void flush_altivec_to_thread(struct task_struct *);
-#else
-static inline void flush_altivec_to_thread(struct task_struct *t)
-{
-}
-#endif
-
-static inline void flush_spe_to_thread(struct task_struct *t)
-{
-}
-
-extern int mem_init_done;       /* set on boot once kmalloc can be called */
-extern unsigned long memory_limit;
-
-/* EBCDIC -> ASCII conversion for [0-9A-Z] on iSeries */
-extern unsigned char e2a(unsigned char);
-
-extern struct task_struct *__switch_to(struct task_struct *,
-                                       struct task_struct *);
-#define switch_to(prev, next, last)     ((last) = __switch_to((prev), (next)))
-
-struct thread_struct;
-extern struct task_struct * _switch(struct thread_struct *prev,
-                                    struct thread_struct *next);
-
-extern unsigned long klimit;
-
-extern int powersave_nap;       /* set if nap mode can be used in idle loop */
-
-/*
- * Atomic exchange
- *
- * Changes the memory location '*ptr' to be val and returns
- * the previous value stored there.
- *
- * Inline asm pulled from arch/ppc/kernel/misc.S so ppc64
- * is more like most of the other architectures.
- */
-static __inline__ unsigned long
-__xchg_u32(volatile unsigned int *m, unsigned long val)
-{
-        unsigned long dummy;
-
-        __asm__ __volatile__(
-        EIEIO_ON_SMP
-"1:     lwarx %0,0,%3           # __xchg_u32\n\
-        stwcx. %2,0,%3\n\
-2:      bne- 1b"
-        ISYNC_ON_SMP
-        : "=&r" (dummy), "=m" (*m)
-        : "r" (val), "r" (m)
-        : "cc", "memory");
-
-        return (dummy);
-}
-
-static __inline__ unsigned long
-__xchg_u64(volatile long *m, unsigned long val)
-{
-        unsigned long dummy;
-
-        __asm__ __volatile__(
-        EIEIO_ON_SMP
-"1:     ldarx %0,0,%3           # __xchg_u64\n\
-        stdcx. %2,0,%3\n\
-2:      bne- 1b"
-        ISYNC_ON_SMP
-        : "=&r" (dummy), "=m" (*m)
-        : "r" (val), "r" (m)
-        : "cc", "memory");
-
-        return (dummy);
-}
-
-/*
- * This function doesn't exist, so you'll get a linker error
- * if something tries to do an invalid xchg().
- */
-extern void __xchg_called_with_bad_pointer(void);
-
-static __inline__ unsigned long
-__xchg(volatile void *ptr, unsigned long x, unsigned int size)
-{
-        switch (size) {
-        case 4:
-                return __xchg_u32(ptr, x);
-        case 8:
-                return __xchg_u64(ptr, x);
-        }
-        __xchg_called_with_bad_pointer();
-        return x;
-}
-
-#define xchg(ptr,x)                                                          \
-  ({                                                                         \
-     __typeof__(*(ptr)) _x_ = (x);                                           \
-     (__typeof__(*(ptr))) __xchg((ptr), (unsigned long)_x_, sizeof(*(ptr))); \
-  })
-
-#define tas(ptr) (xchg((ptr),1))
-
-#define __HAVE_ARCH_CMPXCHG     1
-
-static __inline__ unsigned long
-__cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new)
-{
-        unsigned int prev;
-
-        __asm__ __volatile__ (
-        EIEIO_ON_SMP
-"1:     lwarx   %0,0,%2         # __cmpxchg_u32\n\
-        cmpw    0,%0,%3\n\
-        bne-    2f\n\
-        stwcx.  %4,0,%2\n\
-        bne-    1b"
-        ISYNC_ON_SMP
-        "\n\
-2:"
-        : "=&r" (prev), "=m" (*p)
-        : "r" (p), "r" (old), "r" (new), "m" (*p)
-        : "cc", "memory");
-
-        return prev;
-}
-
-static __inline__ unsigned long
-__cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new)
-{
-        unsigned long prev;
-
-        __asm__ __volatile__ (
-        EIEIO_ON_SMP
-"1:     ldarx   %0,0,%2         # __cmpxchg_u64\n\
-        cmpd    0,%0,%3\n\
-        bne-    2f\n\
-        stdcx.  %4,0,%2\n\
-        bne-    1b"
-        ISYNC_ON_SMP
-        "\n\
-2:"
-        : "=&r" (prev), "=m" (*p)
-        : "r" (p), "r" (old), "r" (new), "m" (*p)
-        : "cc", "memory");
-
-        return prev;
-}
-
-/* This function doesn't exist, so you'll get a linker error
-   if something tries to do an invalid cmpxchg().  */
-extern void __cmpxchg_called_with_bad_pointer(void);
-
-static __inline__ unsigned long
-__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new,
-          unsigned int size)
-{
-        switch (size) {
-        case 4:
-                return __cmpxchg_u32(ptr, old, new);
-        case 8:
-                return __cmpxchg_u64(ptr, old, new);
-        }
-        __cmpxchg_called_with_bad_pointer();
-        return old;
-}
-
-#define cmpxchg(ptr,o,n)\
-        ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\
-        (unsigned long)(n),sizeof(*(ptr))))
-
-/*
- * We handle most unaligned accesses in hardware. On the other hand 
- * unaligned DMA can be very expensive on some ppc64 IO chips (it does
- * powers of 2 writes until it reaches sufficient alignment).
- *
- * Based on this we disable the IP header alignment in network drivers.
- */
-#define NET_IP_ALIGN   0
-
-#define arch_align_stack(x) (x)
-
-extern unsigned long reloc_offset(void);
-
-#endif /* __KERNEL__ */
-#endif