86 files changed, 434 insertions, 189 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ababf41517d6..48a0628d93e8 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -190,6 +190,22 @@ config VECTORS_BASE
         help
           The base address of exception vectors.
 
+config ARM_PATCH_PHYS_VIRT
+        bool "Patch physical to virtual translations at runtime (EXPERIMENTAL)"
+        depends on EXPERIMENTAL
+        depends on !XIP_KERNEL && MMU
+        depends on !ARCH_REALVIEW || !SPARSEMEM
+        help
+          Patch phys-to-virt translation functions at runtime according to
+          the position of the kernel in system memory.
+
+          This can only be used with non-XIP with MMU kernels where
+          the base of physical memory is at a 16MB boundary.
+
+config ARM_PATCH_PHYS_VIRT_16BIT
+        def_bool y
+        depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM
+
 source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index d0ee74b7cf86..431077c5a867 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -15,6 +15,7 @@
 
 #include <linux/compiler.h>
 #include <linux/const.h>
+#include <linux/types.h>
 #include <mach/memory.h>
 #include <asm/sizes.h>
 
@@ -133,20 +134,10 @@
 #endif
 
 /*
- * Physical vs virtual RAM address space conversion.  These are
- * private definitions which should NOT be used outside memory.h
- * files.  Use virt_to_phys/phys_to_virt/__pa/__va instead.
- */
-#ifndef __virt_to_phys
-#define __virt_to_phys(x)       ((x) - PAGE_OFFSET + PHYS_OFFSET)
-#define __phys_to_virt(x)       ((x) - PHYS_OFFSET + PAGE_OFFSET)
-#endif
-
-/*
  * Convert a physical address to a Page Frame Number and back
  */
-#define __phys_to_pfn(paddr)    ((paddr) >> PAGE_SHIFT)
-#define __pfn_to_phys(pfn)      ((pfn) << PAGE_SHIFT)
+#define __phys_to_pfn(paddr)    ((unsigned long)((paddr) >> PAGE_SHIFT))
+#define __pfn_to_phys(pfn)      ((phys_addr_t)(pfn) << PAGE_SHIFT)
 
 /*
  * Convert a page to/from a physical address
@@ -157,6 +148,62 @@
 #ifndef __ASSEMBLY__
 
 /*
+ * Physical vs virtual RAM address space conversion.  These are
+ * private definitions which should NOT be used outside memory.h
+ * files.  Use virt_to_phys/phys_to_virt/__pa/__va instead.
+ */
+#ifndef __virt_to_phys
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
+
+/*
+ * Constants used to force the right instruction encodings and shifts
+ * so that all we need to do is modify the 8-bit constant field.
+ */
+#define __PV_BITS_31_24 0x81000000
+#define __PV_BITS_23_16 0x00810000
+
+extern unsigned long __pv_phys_offset;
+#define PHYS_OFFSET __pv_phys_offset
+
+#define __pv_stub(from,to,instr,type)                   \
+        __asm__("@ __pv_stub\n"                         \
+        "1:     " instr "       %0, %1, %2\n"           \
+        "       .pushsection .pv_table,\"a\"\n"         \
+        "       .long   1b\n"                           \
+        "       .popsection\n"                          \
+        : "=r" (to)                                     \
+        : "r" (from), "I" (type))
+
+static inline unsigned long __virt_to_phys(unsigned long x)
+{
+        unsigned long t;
+        __pv_stub(x, t, "add", __PV_BITS_31_24);
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
+        __pv_stub(t, t, "add", __PV_BITS_23_16);
+#endif
+        return t;
+}
+
+static inline unsigned long __phys_to_virt(unsigned long x)
+{
+        unsigned long t;
+        __pv_stub(x, t, "sub", __PV_BITS_31_24);
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
+        __pv_stub(t, t, "sub", __PV_BITS_23_16);
+#endif
+        return t;
+}
+#else
+#define __virt_to_phys(x)       ((x) - PAGE_OFFSET + PHYS_OFFSET)
+#define __phys_to_virt(x)       ((x) - PHYS_OFFSET + PAGE_OFFSET)
+#endif
+#endif
+
+#ifndef PHYS_OFFSET
+#define PHYS_OFFSET     PLAT_PHYS_OFFSET
+#endif
+
+/*
  * The DMA mask corresponding to the maximum bus address allocatable
  * using GFP_DMA.  The default here places no restriction on DMA
  * allocations.  This must be the smallest DMA mask in the system,
@@ -188,12 +235,12 @@
  * translation for translating DMA addresses.  Use the driver
  * DMA support - see dma-mapping.h.
  */
-static inline unsigned long virt_to_phys(const volatile void *x)
+static inline phys_addr_t virt_to_phys(const volatile void *x)
 {
         return __virt_to_phys((unsigned long)(x));
 }
 
-static inline void *phys_to_virt(unsigned long x)
+static inline void *phys_to_virt(phys_addr_t x)
 {
         return (void *)(__phys_to_virt((unsigned long)(x)));
 }
diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h
index 12c8e680cbff..543b44916d2c 100644
--- a/arch/arm/include/asm/module.h
+++ b/arch/arm/include/asm/module.h
@@ -25,8 +25,31 @@ struct mod_arch_specific {
 };
 
 /*
- * Include the ARM architecture version.
+ * Add the ARM architecture version to the version magic string
  */
-#define MODULE_ARCH_VERMAGIC    "ARMv" __stringify(__LINUX_ARM_ARCH__) " "
+#define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " "
+
+/* Add __virt_to_phys patching state as well */
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
+#define MODULE_ARCH_VERMAGIC_P2V "p2v16 "
+#else
+#define MODULE_ARCH_VERMAGIC_P2V "p2v8 "
+#endif
+#else
+#define MODULE_ARCH_VERMAGIC_P2V ""
+#endif
+
+/* Add instruction set architecture tag to distinguish ARM/Thumb kernels */
+#ifdef CONFIG_THUMB2_KERNEL
+#define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 "
+#else
+#define MODULE_ARCH_VERMAGIC_ARMTHUMB ""
+#endif
+
+#define MODULE_ARCH_VERMAGIC \
+        MODULE_ARCH_VERMAGIC_ARMVSN \
+        MODULE_ARCH_VERMAGIC_ARMTHUMB \
+        MODULE_ARCH_VERMAGIC_P2V
 
 #endif /* _ASM_ARM_MODULE_H */
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index d5d4185f0c24..acca35aebe28 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -164,3 +164,7 @@ EXPORT_SYMBOL(mcount);
 #endif
 EXPORT_SYMBOL(__gnu_mcount_nc);
 #endif
+
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
+EXPORT_SYMBOL(__pv_phys_offset);
+#endif
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 60fe2795f4a3..c9173cfbbc74 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -26,14 +26,6 @@
 #include <mach/debug-macro.S>
 #endif
 
-#if (PHYS_OFFSET & 0x001fffff)
-#error "PHYS_OFFSET must be at an even 2MiB boundary!"
-#endif
-
-#define KERNEL_RAM_VADDR        (PAGE_OFFSET + TEXT_OFFSET)
-#define KERNEL_RAM_PADDR        (PHYS_OFFSET + TEXT_OFFSET)
-
-
 /*
  * swapper_pg_dir is the virtual address of the initial page table.
  * We place the page tables 16K below KERNEL_RAM_VADDR.  Therefore, we must
@@ -41,6 +33,7 @@
  * the least significant 16 bits to be 0x8000, but we could probably
  * relax this restriction to KERNEL_RAM_VADDR >= PAGE_OFFSET + 0x4000.
  */
+#define KERNEL_RAM_VADDR        (PAGE_OFFSET + TEXT_OFFSET)
 #if (KERNEL_RAM_VADDR & 0xffff) != 0x8000
 #error KERNEL_RAM_VADDR must start at 0xXXXX8000
 #endif
@@ -48,8 +41,8 @@
         .globl  swapper_pg_dir
         .equ    swapper_pg_dir, KERNEL_RAM_VADDR - 0x4000
 
-        .macro  pgtbl, rd
-        ldr     \rd, =(KERNEL_RAM_PADDR - 0x4000)
+        .macro  pgtbl, rd, phys
+        add     \rd, \phys, #TEXT_OFFSET - 0x4000
         .endm
 
 #ifdef CONFIG_XIP_KERNEL
@@ -88,14 +81,26 @@ ENTRY(stext)
  THUMB( it      eq )            @ force fixup-able long branch encoding
         beq     __error_p                       @ yes, error 'p'
 
+#ifndef CONFIG_XIP_KERNEL
+        adr     r3, 2f
+        ldmia   r3, {r4, r8}
+        sub     r4, r3, r4                      @ (PHYS_OFFSET - PAGE_OFFSET)
+        add     r8, r8, r4                      @ PHYS_OFFSET
+#else
+        ldr     r8, =PLAT_PHYS_OFFSET
+#endif
+
         /*
          * r1 = machine no, r2 = atags,
-         * r9 = cpuid, r10 = procinfo
+         * r8 = phys_offset, r9 = cpuid, r10 = procinfo
          */
         bl      __vet_atags
 #ifdef CONFIG_SMP_ON_UP
         bl      __fixup_smp
 #endif
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
+        bl      __fixup_pv_table
+#endif
         bl      __create_page_tables
 
         /*
@@ -114,21 +119,24 @@ ENTRY(stext)
 1:      b       __enable_mmu
 ENDPROC(stext)
         .ltorg
+#ifndef CONFIG_XIP_KERNEL
+2:      .long   .
+        .long   PAGE_OFFSET
+#endif
 
 /*
  * Setup the initial page tables.  We only setup the barest
  * amount which are required to get the kernel running, which
  * generally means mapping in the kernel code.
  *
- * r9  = cpuid
- * r10 = procinfo
+ * r8 = phys_offset, r9 = cpuid, r10 = procinfo
  *
  * Returns:
  *  r0, r3, r5-r7 corrupted
  *  r4 = physical page table address
  */
 __create_page_tables:
-        pgtbl   r4                              @ page table address
+        pgtbl   r4, r8                          @ page table address
 
         /*
          * Clear the 16K level 1 swapper page table
@@ -184,10 +192,8 @@ __create_page_tables:
         /*
          * Map some ram to cover our .data and .bss areas.
          */
-        orr     r3, r7, #(KERNEL_RAM_PADDR & 0xff000000)
-        .if     (KERNEL_RAM_PADDR & 0x00f00000)
-        orr     r3, r3, #(KERNEL_RAM_PADDR & 0x00f00000)
-        .endif
+        add     r3, r8, #TEXT_OFFSET
+        orr     r3, r3, r7
         add     r0, r4,  #(KERNEL_RAM_VADDR & 0xff000000) >> 18
         str     r3, [r0, #(KERNEL_RAM_VADDR & 0x00f00000) >> 18]!
         ldr     r6, =(_end - 1)
@@ -200,14 +206,17 @@ __create_page_tables:
 #endif
 
         /*
-         * Then map first 1MB of ram in case it contains our boot params.
+         * Then map boot params address in r2 or
+         * the first 1MB of ram if boot params address is not specified.
          */
-        add     r0, r4, #PAGE_OFFSET >> 18
-        orr     r6, r7, #(PHYS_OFFSET & 0xff000000)
-        .if     (PHYS_OFFSET & 0x00f00000)
-        orr     r6, r6, #(PHYS_OFFSET & 0x00f00000)
-        .endif
-        str     r6, [r0]
+        mov     r0, r2, lsr #20
+        movs    r0, r0, lsl #20
+        moveq   r0, r8
+        sub     r3, r0, r8
+        add     r3, r3, #PAGE_OFFSET
+        add     r3, r4, r3, lsr #18
+        orr     r6, r7, r0
+        str     r6, [r3]
 
 #ifdef CONFIG_DEBUG_LL
 #ifndef CONFIG_DEBUG_ICEDCC
@@ -452,4 +461,129 @@ ENTRY(fixup_smp)
         ldmfd   sp!, {r4 - r6, pc}
 ENDPROC(fixup_smp)
 
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
+
+/* __fixup_pv_table - patch the stub instructions with the delta between
+ * PHYS_OFFSET and PAGE_OFFSET, which is assumed to be 16MiB aligned and
+ * can be expressed by an immediate shifter operand. The stub instruction
+ * has a form of '(add|sub) rd, rn, #imm'.
+ */
+        __HEAD
+__fixup_pv_table:
+        adr     r0, 1f
+        ldmia   r0, {r3-r5, r7}
+        sub     r3, r0, r3      @ PHYS_OFFSET - PAGE_OFFSET
+        add     r4, r4, r3      @ adjust table start address
+        add     r5, r5, r3      @ adjust table end address
+        add     r7, r7, r3      @ adjust __pv_phys_offset address
+        str     r8, [r7]        @ save computed PHYS_OFFSET to __pv_phys_offset
+#ifndef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
+        mov     r6, r3, lsr #24 @ constant for add/sub instructions
+        teq     r3, r6, lsl #24 @ must be 16MiB aligned
+#else
+        mov     r6, r3, lsr #16 @ constant for add/sub instructions
+        teq     r3, r6, lsl #16 @ must be 64kiB aligned
+#endif
+THUMB(  it      ne              @ cross section branch )
+        bne     __error
+        str     r6, [r7, #4]    @ save to __pv_offset
+        b       __fixup_a_pv_table
+ENDPROC(__fixup_pv_table)
+
+        .align
+1:      .long   .
+        .long   __pv_table_begin
+        .long   __pv_table_end
+2:      .long   __pv_phys_offset
+
+        .text
+__fixup_a_pv_table:
+#ifdef CONFIG_THUMB2_KERNEL
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
+        lsls    r0, r6, #24
+        lsr     r6, #8
+        beq     1f
+        clz     r7, r0
+        lsr     r0, #24
+        lsl     r0, r7
+        bic     r0, 0x0080
+        lsrs    r7, #1
+        orrcs   r0, #0x0080
+        orr     r0, r0, r7, lsl #12
+#endif
+1:      lsls    r6, #24
+        beq     4f
+        clz     r7, r6
+        lsr     r6, #24
+        lsl     r6, r7
+        bic     r6, #0x0080
+        lsrs    r7, #1
+        orrcs   r6, #0x0080
+        orr     r6, r6, r7, lsl #12
+        orr     r6, #0x4000
+        b       4f
+2:      @ at this point the C flag is always clear
+        add     r7, r3
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
+        ldrh    ip, [r7]
+        tst     ip, 0x0400      @ the i bit tells us LS or MS byte
+        beq     3f
+        cmp     r0, #0          @ set C flag, and ...
+        biceq   ip, 0x0400      @ immediate zero value has a special encoding
+        streqh  ip, [r7]        @ that requires the i bit cleared
+#endif
+3:      ldrh    ip, [r7, #2]
+        and     ip, 0x8f00
+        orrcc   ip, r6  @ mask in offset bits 31-24
+        orrcs   ip, r0  @ mask in offset bits 23-16
+        strh    ip, [r7, #2]
+4:      cmp     r4, r5
+        ldrcc   r7, [r4], #4    @ use branch for delay slot
+        bcc     2b
+        bx      lr
+#else
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
+        and     r0, r6, #255    @ offset bits 23-16
+        mov     r6, r6, lsr #8  @ offset bits 31-24
+#else
+        mov     r0, #0          @ just in case...
+#endif
+        b       3f
+2:      ldr     ip, [r7, r3]
+        bic     ip, ip, #0x000000ff
+        tst     ip, #0x400      @ rotate shift tells us LS or MS byte
+        orrne   ip, ip, r6      @ mask in offset bits 31-24
+        orreq   ip, ip, r0      @ mask in offset bits 23-16
+        str     ip, [r7, r3]
+3:      cmp     r4, r5
+        ldrcc   r7, [r4], #4    @ use branch for delay slot
+        bcc     2b
+        mov     pc, lr
+#endif
+ENDPROC(__fixup_a_pv_table)
+
+ENTRY(fixup_pv_table)
+        stmfd   sp!, {r4 - r7, lr}
+        ldr     r2, 2f                  @ get address of __pv_phys_offset
+        mov     r3, #0                  @ no offset
+        mov     r4, r0                  @ r0 = table start
+        add     r5, r0, r1              @ r1 = table size
+        ldr     r6, [r2, #4]            @ get __pv_offset
+        bl      __fixup_a_pv_table
+        ldmfd   sp!, {r4 - r7, pc}
+ENDPROC(fixup_pv_table)
+
+        .align
+2:      .long   __pv_phys_offset
+
+        .data
+        .globl  __pv_phys_offset
+        .type   __pv_phys_offset, %object
+__pv_phys_offset:
+        .long   0
+        .size   __pv_phys_offset, . - __pv_phys_offset
+__pv_offset:
+        .long   0
+#endif
+
 #include "head-common.S"
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index 6fcf22cf385c..fee7c36349eb 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -283,12 +283,13 @@ static const Elf_Shdr *find_mod_section(const Elf32_Ehdr *hdr,
         return NULL;
 }
 
+extern void fixup_pv_table(const void *, unsigned long);
 extern void fixup_smp(const void *, unsigned long);
 
 int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
                     struct module *mod)
 {
-        const Elf_Shdr * __maybe_unused s = NULL;
+        const Elf_Shdr *s = NULL;
 #ifdef CONFIG_ARM_UNWIND
         const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
         const Elf_Shdr *sechdrs_end = sechdrs + hdr->e_shnum;
@@ -333,6 +334,11 @@ int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
                                                  maps[i].txt_sec->sh_addr,
                                                  maps[i].txt_sec->sh_size);
 #endif
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
+        s = find_mod_section(hdr, sechdrs, ".pv_table");
+        if (s)
+                fixup_pv_table((void *)s->sh_addr, s->sh_size);
+#endif
         s = find_mod_section(hdr, sechdrs, ".alt.smp.init");
         if (s && !is_smp())
                 fixup_smp((void *)s->sh_addr, s->sh_size);
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index db2382853450..d1da92174277 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -325,28 +325,6 @@ static void __init early_print(const char *str, ...)
         printk("%s", buf);
 }
 
-static struct machine_desc * __init lookup_machine_type(unsigned int type)
-{
-        extern struct machine_desc __arch_info_begin[], __arch_info_end[];
-        struct machine_desc *p;
-
-        for (p = __arch_info_begin; p < __arch_info_end; p++)
-                if (type == p->nr)
-                        return p;
-
-        early_print("\n"
-                "Error: unrecognized/unsupported machine ID (r1 = 0x%08x).\n\n"
-                "Available machine support:\n\nID (hex)\tNAME\n", type);
-
-        for (p = __arch_info_begin; p < __arch_info_end; p++)
-                early_print("%08x\t%s\n", p->nr, p->name);
-
-        early_print("\nPlease check your kernel config and/or bootloader.\n");
-
-        while (true)
-                /* can't use cpu_relax() here as it may require MMU setup */;
-}
-
 static void __init feat_v6_fixup(void)
 {
         int id = read_cpuid_id();
@@ -463,21 +441,29 @@ void cpu_init(void)
 
 static struct machine_desc * __init setup_machine(unsigned int nr)
 {
-        struct machine_desc *list;
+        extern struct machine_desc __arch_info_begin[], __arch_info_end[];
+        struct machine_desc *p;
 
         /*
          * locate machine in the list of supported machines.
          */
-        list = lookup_machine_type(nr);
-        if (!list) {
-                printk("Machine configuration botched (nr %d), unable "
-                       "to continue.\n", nr);
-                while (1);
-        }
+        for (p = __arch_info_begin; p < __arch_info_end; p++)
+                if (nr == p->nr) {
+                        printk("Machine: %s\n", p->name);
+                        return p;
+                }
 
-        printk("Machine: %s\n", list->name);
+        early_print("\n"
+                "Error: unrecognized/unsupported machine ID (r1 = 0x%08x).\n\n"
+                "Available machine support:\n\nID (hex)\tNAME\n", nr);
 
-        return list;
+        for (p = __arch_info_begin; p < __arch_info_end; p++)
+                early_print("%08x\t%s\n", p->nr, p->name);
+
+        early_print("\nPlease check your kernel config and/or bootloader.\n");
+
+        while (true)
+                /* can't use cpu_relax() here as it may require MMU setup */;
 }
 
 static int __init arm_add_memory(unsigned long start, unsigned long size)
@@ -740,7 +726,7 @@ static struct init_tags {
         { tag_size(tag_core), ATAG_CORE },
         { 1, PAGE_SIZE, 0xff },
         { tag_size(tag_mem32), ATAG_MEM },
-        { MEM_SIZE, PHYS_OFFSET },
+        { MEM_SIZE },
         { 0, ATAG_NONE }
 };
 
@@ -839,6 +825,8 @@ void __init setup_arch(char **cmdline_p)
         struct machine_desc *mdesc;
         char *from = default_command_line;
 
+        init_tags.mem.start = PHYS_OFFSET;
+
         unwind_init();
 
         setup_processor();
@@ -851,8 +839,25 @@ void __init setup_arch(char **cmdline_p)
 
         if (__atags_pointer)
                 tags = phys_to_virt(__atags_pointer);
-        else if (mdesc->boot_params)
-                tags = phys_to_virt(mdesc->boot_params);
+        else if (mdesc->boot_params) {
+#ifdef CONFIG_MMU
+                /*
+                 * We still are executing with a minimal MMU mapping created
+                 * with the presumption that the machine default for this
+                 * is located in the first MB of RAM.  Anything else will
+                 * fault and silently hang the kernel at this point.
+                 */
+                if (mdesc->boot_params < PHYS_OFFSET ||
+                    mdesc->boot_params >= PHYS_OFFSET + SZ_1M) {
+                        printk(KERN_WARNING
+                               "Default boot params at physical 0x%08lx out of reach\n",
+                               mdesc->boot_params);
+                } else
+#endif
+                {
+                        tags = phys_to_virt(mdesc->boot_params);
+                }
+        }
 
 #if defined(CONFIG_DEPRECATED_PARAM_STRUCT)
         /*
diff --git a/arch/arm/kernel/tcm.c b/arch/arm/kernel/tcm.c
index 26685c2f7a49..f5cf660eefcc 100644
--- a/arch/arm/kernel/tcm.c
+++ b/arch/arm/kernel/tcm.c
@@ -15,7 +15,7 @@
 #include <linux/string.h> /* memcpy */
 #include <asm/cputype.h>
 #include <asm/mach/map.h>
-#include <mach/memory.h>
+#include <asm/memory.h>
 #include "tcm.h"
 
 static struct gen_pool *tcm_pool;
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 61462790757f..dfbb377e251d 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -64,6 +64,10 @@ SECTIONS
                 __smpalt_end = .;
 #endif
 
+                __pv_table_begin = .;
+                        *(.pv_table)
+                __pv_table_end = .;
+
                 INIT_SETUP(16)
 
                 INIT_CALLS
diff --git a/arch/arm/mach-aaec2000/include/mach/memory.h b/arch/arm/mach-aaec2000/include/mach/memory.h
index 4f93c567a35a..4a10bf0bd369 100644
--- a/arch/arm/mach-aaec2000/include/mach/memory.h
+++ b/arch/arm/mach-aaec2000/include/mach/memory.h
@@ -12,6 +12,6 @@
 #define __ASM_ARCH_MEMORY_H
 
 
-#define PHYS_OFFSET     UL(0xf0000000)
+#define PLAT_PHYS_OFFSET        UL(0xf0000000)
 
 #endif /* __ASM_ARCH_MEMORY_H */
diff --git a/arch/arm/mach-at91/include/mach/memory.h b/arch/arm/mach-at91/include/mach/memory.h
index 14f4ef4b6a9e..c2cfe5040642 100644
--- a/arch/arm/mach-at91/include/mach/memory.h
+++ b/arch/arm/mach-at91/include/mach/memory.h
@@ -23,6 +23,6 @@
 
 #include <mach/hardware.h>
 
-#define PHYS_OFFSET     (AT91_SDRAM_BASE)
+#define PLAT_PHYS_OFFSET        (AT91_SDRAM_BASE)
 
 #endif
diff --git a/arch/arm/mach-bcmring/include/mach/hardware.h b/arch/arm/mach-bcmring/include/mach/hardware.h
index 447eb340c611..8bf3564fba50 100644
--- a/arch/arm/mach-bcmring/include/mach/hardware.h
+++ b/arch/arm/mach-bcmring/include/mach/hardware.h
@@ -31,7 +31,7 @@
  *  *_SIZE  is the size of the region
  *  *_BASE  is the virtual address
  */
-#define RAM_START               PHYS_OFFSET
+#define RAM_START               PLAT_PHYS_OFFSET
 
 #define RAM_SIZE                (CFG_GLOBAL_RAM_SIZE-CFG_GLOBAL_RAM_SIZE_RESERVED)
 #define RAM_BASE                PAGE_OFFSET
diff --git a/arch/arm/mach-bcmring/include/mach/memory.h b/arch/arm/mach-bcmring/include/mach/memory.h
index 114f942bb4f3..15162e4c75f9 100644
--- a/arch/arm/mach-bcmring/include/mach/memory.h
+++ b/arch/arm/mach-bcmring/include/mach/memory.h
@@ -23,7 +23,7 @@
  * files.  Use virt_to_phys/phys_to_virt/__pa/__va instead.
  */
 
-#define PHYS_OFFSET CFG_GLOBAL_RAM_BASE
+#define PLAT_PHYS_OFFSET CFG_GLOBAL_RAM_BASE
 
 /*
  * Maximum DMA memory allowed is 14M
diff --git a/arch/arm/mach-clps711x/include/mach/memory.h b/arch/arm/mach-clps711x/include/mach/memory.h
index f45c8e892cb5..3a032a67725c 100644
--- a/arch/arm/mach-clps711x/include/mach/memory.h
+++ b/arch/arm/mach-clps711x/include/mach/memory.h
@@ -23,7 +23,7 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0xc0000000)
+#define PLAT_PHYS_OFFSET        UL(0xc0000000)
 
 #if !defined(CONFIG_ARCH_CDB89712) && !defined (CONFIG_ARCH_AUTCPU12)
 
diff --git a/arch/arm/mach-cns3xxx/include/mach/memory.h b/arch/arm/mach-cns3xxx/include/mach/memory.h
index 3b6b769b7a27..dc16c5c5d86b 100644
--- a/arch/arm/mach-cns3xxx/include/mach/memory.h
+++ b/arch/arm/mach-cns3xxx/include/mach/memory.h
@@ -13,7 +13,7 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET             UL(0x00000000)
+#define PLAT_PHYS_OFFSET                UL(0x00000000)
 
 #define __phys_to_bus(x)        ((x) + PHYS_OFFSET)
 #define __bus_to_phys(x)        ((x) - PHYS_OFFSET)
diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h
index 22eb97c1c30b..78822723f382 100644
--- a/arch/arm/mach-davinci/include/mach/memory.h
+++ b/arch/arm/mach-davinci/include/mach/memory.h
@@ -26,9 +26,9 @@
 #if defined(CONFIG_ARCH_DAVINCI_DA8XX) && defined(CONFIG_ARCH_DAVINCI_DMx)
 #error Cannot enable DaVinci and DA8XX platforms concurrently
 #elif defined(CONFIG_ARCH_DAVINCI_DA8XX)
-#define PHYS_OFFSET DA8XX_DDR_BASE
+#define PLAT_PHYS_OFFSET DA8XX_DDR_BASE
 #else
-#define PHYS_OFFSET DAVINCI_DDR_BASE
+#define PLAT_PHYS_OFFSET DAVINCI_DDR_BASE
 #endif
 
 #define DDR2_SDRCR_OFFSET       0xc
diff --git a/arch/arm/mach-dove/include/mach/memory.h b/arch/arm/mach-dove/include/mach/memory.h
index d66872074946..bbc93fee6c75 100644
--- a/arch/arm/mach-dove/include/mach/memory.h
+++ b/arch/arm/mach-dove/include/mach/memory.h
@@ -5,6 +5,6 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET             UL(0x00000000)
+#define PLAT_PHYS_OFFSET                UL(0x00000000)
 
 #endif
diff --git a/arch/arm/mach-ebsa110/include/mach/memory.h b/arch/arm/mach-ebsa110/include/mach/memory.h
index 0ca66d080c69..8e49066ad850 100644
--- a/arch/arm/mach-ebsa110/include/mach/memory.h
+++ b/arch/arm/mach-ebsa110/include/mach/memory.h
@@ -19,7 +19,7 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
 /*
  * Cache flushing area - SRAM
diff --git a/arch/arm/mach-ep93xx/include/mach/memory.h b/arch/arm/mach-ep93xx/include/mach/memory.h
index 554064e90307..c9400cf0051c 100644
--- a/arch/arm/mach-ep93xx/include/mach/memory.h
+++ b/arch/arm/mach-ep93xx/include/mach/memory.h
@@ -6,15 +6,15 @@
 #define __ASM_ARCH_MEMORY_H
 
 #if defined(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET)
-#define PHYS_OFFSET             UL(0x00000000)
+#define PLAT_PHYS_OFFSET                UL(0x00000000)
 #elif defined(CONFIG_EP93XX_SDCE0_PHYS_OFFSET)
-#define PHYS_OFFSET             UL(0xc0000000)
+#define PLAT_PHYS_OFFSET                UL(0xc0000000)
 #elif defined(CONFIG_EP93XX_SDCE1_PHYS_OFFSET)
-#define PHYS_OFFSET             UL(0xd0000000)
+#define PLAT_PHYS_OFFSET                UL(0xd0000000)
 #elif defined(CONFIG_EP93XX_SDCE2_PHYS_OFFSET)
-#define PHYS_OFFSET             UL(0xe0000000)
+#define PLAT_PHYS_OFFSET                UL(0xe0000000)
 #elif defined(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET)
-#define PHYS_OFFSET             UL(0xf0000000)
+#define PLAT_PHYS_OFFSET                UL(0xf0000000)
 #else
 #error "Kconfig bug: No EP93xx PHYS_OFFSET set"
 #endif
diff --git a/arch/arm/mach-footbridge/include/mach/memory.h b/arch/arm/mach-footbridge/include/mach/memory.h
index 8d64f4574087..5c6df377f969 100644
--- a/arch/arm/mach-footbridge/include/mach/memory.h
+++ b/arch/arm/mach-footbridge/include/mach/memory.h
@@ -62,7 +62,7 @@ extern unsigned long __bus_to_pfn(unsigned long);
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET             UL(0x00000000)
+#define PLAT_PHYS_OFFSET                UL(0x00000000)
 
 #define FLUSH_BASE_PHYS         0x50000000
 
diff --git a/arch/arm/mach-gemini/include/mach/memory.h b/arch/arm/mach-gemini/include/mach/memory.h
index 2d14d5bf1f9f..a50915f764d8 100644
--- a/arch/arm/mach-gemini/include/mach/memory.h
+++ b/arch/arm/mach-gemini/include/mach/memory.h
@@ -11,9 +11,9 @@
 #define __MACH_MEMORY_H
 
 #ifdef CONFIG_GEMINI_MEM_SWAP
-# define PHYS_OFFSET    UL(0x00000000)
+# define PLAT_PHYS_OFFSET       UL(0x00000000)
 #else
-# define PHYS_OFFSET    UL(0x10000000)
+# define PLAT_PHYS_OFFSET       UL(0x10000000)
 #endif
 
 #endif /* __MACH_MEMORY_H */
diff --git a/arch/arm/mach-h720x/include/mach/memory.h b/arch/arm/mach-h720x/include/mach/memory.h
index ef4c1e26f18e..9d3687651462 100644
--- a/arch/arm/mach-h720x/include/mach/memory.h
+++ b/arch/arm/mach-h720x/include/mach/memory.h
@@ -7,7 +7,7 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET     UL(0x40000000)
+#define PLAT_PHYS_OFFSET        UL(0x40000000)
 /*
  * This is the maximum DMA address that can be DMAd to.
  * There should not be more than (0xd0000000 - 0xc0000000)
diff --git a/arch/arm/mach-integrator/include/mach/memory.h b/arch/arm/mach-integrator/include/mach/memory.h
index 991f24d2c115..334d5e271889 100644
--- a/arch/arm/mach-integrator/include/mach/memory.h
+++ b/arch/arm/mach-integrator/include/mach/memory.h
@@ -23,7 +23,7 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
 #define BUS_OFFSET      UL(0x80000000)
 #define __virt_to_bus(x)        ((x) - PAGE_OFFSET + BUS_OFFSET)
diff --git a/arch/arm/mach-iop13xx/include/mach/memory.h b/arch/arm/mach-iop13xx/include/mach/memory.h
index 3ad455318868..1afa99ef97fa 100644
--- a/arch/arm/mach-iop13xx/include/mach/memory.h
+++ b/arch/arm/mach-iop13xx/include/mach/memory.h
@@ -6,7 +6,7 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
 #ifndef __ASSEMBLY__
 
diff --git a/arch/arm/mach-iop32x/include/mach/memory.h b/arch/arm/mach-iop32x/include/mach/memory.h
index c30f6450ad50..169cc239f76c 100644
--- a/arch/arm/mach-iop32x/include/mach/memory.h
+++ b/arch/arm/mach-iop32x/include/mach/memory.h
@@ -8,6 +8,6 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0xa0000000)
+#define PLAT_PHYS_OFFSET        UL(0xa0000000)
 
 #endif
diff --git a/arch/arm/mach-iop33x/include/mach/memory.h b/arch/arm/mach-iop33x/include/mach/memory.h
index a30a96aa6d2d..8e1daf7006b6 100644
--- a/arch/arm/mach-iop33x/include/mach/memory.h
+++ b/arch/arm/mach-iop33x/include/mach/memory.h
@@ -8,6 +8,6 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
 #endif
diff --git a/arch/arm/mach-ixp2000/include/mach/memory.h b/arch/arm/mach-ixp2000/include/mach/memory.h
index 98e3471be15b..5f0c4fd4076a 100644
--- a/arch/arm/mach-ixp2000/include/mach/memory.h
+++ b/arch/arm/mach-ixp2000/include/mach/memory.h
@@ -13,7 +13,7 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
 #include <mach/ixp2000-regs.h>
 
diff --git a/arch/arm/mach-ixp23xx/include/mach/memory.h b/arch/arm/mach-ixp23xx/include/mach/memory.h
index 6ef65d813f16..6cf0704e946a 100644
--- a/arch/arm/mach-ixp23xx/include/mach/memory.h
+++ b/arch/arm/mach-ixp23xx/include/mach/memory.h
@@ -17,7 +17,7 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET             (0x00000000)
+#define PLAT_PHYS_OFFSET                (0x00000000)
 
 #define IXP23XX_PCI_SDRAM_OFFSET (*((volatile int *)IXP23XX_PCI_SDRAM_BAR) & 0xfffffff0)
 
diff --git a/arch/arm/mach-ixp4xx/include/mach/memory.h b/arch/arm/mach-ixp4xx/include/mach/memory.h
index 0136eaa29224..6d388c9d0e20 100644
--- a/arch/arm/mach-ixp4xx/include/mach/memory.h
+++ b/arch/arm/mach-ixp4xx/include/mach/memory.h
@@ -12,7 +12,7 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
 #if !defined(__ASSEMBLY__) && defined(CONFIG_PCI)
 
diff --git a/arch/arm/mach-kirkwood/include/mach/memory.h b/arch/arm/mach-kirkwood/include/mach/memory.h
index 45431e131465..4600b44e3ad3 100644
--- a/arch/arm/mach-kirkwood/include/mach/memory.h
+++ b/arch/arm/mach-kirkwood/include/mach/memory.h
@@ -5,6 +5,6 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET             UL(0x00000000)
+#define PLAT_PHYS_OFFSET                UL(0x00000000)
 
 #endif
diff --git a/arch/arm/mach-ks8695/include/mach/memory.h b/arch/arm/mach-ks8695/include/mach/memory.h
index bace9a681adc..f7e1b9bce345 100644
--- a/arch/arm/mach-ks8695/include/mach/memory.h
+++ b/arch/arm/mach-ks8695/include/mach/memory.h
@@ -18,7 +18,7 @@
 /*
  * Physical SRAM offset.
  */
-#define PHYS_OFFSET             KS8695_SDRAM_PA
+#define PLAT_PHYS_OFFSET                KS8695_SDRAM_PA
 
 #ifndef __ASSEMBLY__
 
diff --git a/arch/arm/mach-lh7a40x/include/mach/memory.h b/arch/arm/mach-lh7a40x/include/mach/memory.h
index edb8f5faf5d5..f77bde80fe41 100644
--- a/arch/arm/mach-lh7a40x/include/mach/memory.h
+++ b/arch/arm/mach-lh7a40x/include/mach/memory.h
@@ -17,7 +17,7 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0xc0000000)
+#define PLAT_PHYS_OFFSET        UL(0xc0000000)
 
 /*
  * Sparsemem version of the above
diff --git a/arch/arm/mach-loki/include/mach/memory.h b/arch/arm/mach-loki/include/mach/memory.h
index 2ed7e6e732c2..66366657a875 100644
--- a/arch/arm/mach-loki/include/mach/memory.h
+++ b/arch/arm/mach-loki/include/mach/memory.h
@@ -5,6 +5,6 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET             UL(0x00000000)
+#define PLAT_PHYS_OFFSET                UL(0x00000000)
 
 #endif
diff --git a/arch/arm/mach-lpc32xx/include/mach/memory.h b/arch/arm/mach-lpc32xx/include/mach/memory.h
index 044e1acecbe6..a647dd624afa 100644
--- a/arch/arm/mach-lpc32xx/include/mach/memory.h
+++ b/arch/arm/mach-lpc32xx/include/mach/memory.h
@@ -22,6 +22,6 @@
 /*
  * Physical DRAM offset of bank 0
  */
-#define PHYS_OFFSET     UL(0x80000000)
+#define PLAT_PHYS_OFFSET        UL(0x80000000)
 
 #endif
diff --git a/arch/arm/mach-mmp/include/mach/memory.h b/arch/arm/mach-mmp/include/mach/memory.h
index bdb21d70714c..d68b50a2d6a0 100644
--- a/arch/arm/mach-mmp/include/mach/memory.h
+++ b/arch/arm/mach-mmp/include/mach/memory.h
@@ -9,6 +9,6 @@
 #ifndef __ASM_MACH_MEMORY_H
 #define __ASM_MACH_MEMORY_H
 
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
 #endif /* __ASM_MACH_MEMORY_H */
diff --git a/arch/arm/mach-msm/board-msm7x27.c b/arch/arm/mach-msm/board-msm7x27.c
index e7a76eff57d9..08fcd40a8cbd 100644
--- a/arch/arm/mach-msm/board-msm7x27.c
+++ b/arch/arm/mach-msm/board-msm7x27.c
@@ -132,7 +132,7 @@ static void __init msm7x2x_map_io(void)
 MACHINE_START(MSM7X27_SURF, "QCT MSM7x27 SURF")
 #ifdef CONFIG_MSM_DEBUG_UART
 #endif
-        .boot_params    = PHYS_OFFSET + 0x100,
+        .boot_params    = PLAT_PHYS_OFFSET + 0x100,
         .map_io         = msm7x2x_map_io,
         .init_irq       = msm7x2x_init_irq,
         .init_machine   = msm7x2x_init,
@@ -142,7 +142,7 @@ MACHINE_END
 MACHINE_START(MSM7X27_FFA, "QCT MSM7x27 FFA")
 #ifdef CONFIG_MSM_DEBUG_UART
 #endif
-        .boot_params    = PHYS_OFFSET + 0x100,
+        .boot_params    = PLAT_PHYS_OFFSET + 0x100,
         .map_io         = msm7x2x_map_io,
         .init_irq       = msm7x2x_init_irq,
         .init_machine   = msm7x2x_init,
@@ -152,7 +152,7 @@ MACHINE_END
 MACHINE_START(MSM7X25_SURF, "QCT MSM7x25 SURF")
 #ifdef CONFIG_MSM_DEBUG_UART
 #endif
-        .boot_params    = PHYS_OFFSET + 0x100,
+        .boot_params    = PLAT_PHYS_OFFSET + 0x100,
         .map_io         = msm7x2x_map_io,
         .init_irq       = msm7x2x_init_irq,
         .init_machine   = msm7x2x_init,
@@ -162,7 +162,7 @@ MACHINE_END
 MACHINE_START(MSM7X25_FFA, "QCT MSM7x25 FFA")
 #ifdef CONFIG_MSM_DEBUG_UART
 #endif
-        .boot_params    = PHYS_OFFSET + 0x100,
+        .boot_params    = PLAT_PHYS_OFFSET + 0x100,
         .map_io         = msm7x2x_map_io,
         .init_irq       = msm7x2x_init_irq,
         .init_machine   = msm7x2x_init,
diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c
index 6f3b9735e970..25db8fd71a70 100644
--- a/arch/arm/mach-msm/board-msm7x30.c
+++ b/arch/arm/mach-msm/board-msm7x30.c
@@ -26,11 +26,11 @@
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
+#include <asm/memory.h>
 #include <asm/setup.h>
 
 #include <mach/gpio.h>
 #include <mach/board.h>
-#include <mach/memory.h>
 #include <mach/msm_iomap.h>
 #include <mach/dma.h>
 
@@ -85,7 +85,7 @@ static void __init msm7x30_map_io(void)
 MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
 #ifdef CONFIG_MSM_DEBUG_UART
 #endif
-        .boot_params = PHYS_OFFSET + 0x100,
+        .boot_params = PLAT_PHYS_OFFSET + 0x100,
         .map_io = msm7x30_map_io,
         .init_irq = msm7x30_init_irq,
         .init_machine = msm7x30_init,
@@ -95,7 +95,7 @@ MACHINE_END
 MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
 #ifdef CONFIG_MSM_DEBUG_UART
 #endif
-        .boot_params = PHYS_OFFSET + 0x100,
+        .boot_params = PLAT_PHYS_OFFSET + 0x100,
         .map_io = msm7x30_map_io,
         .init_irq = msm7x30_init_irq,
         .init_machine = msm7x30_init,
@@ -105,7 +105,7 @@ MACHINE_END
 MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
 #ifdef CONFIG_MSM_DEBUG_UART
 #endif
-        .boot_params = PHYS_OFFSET + 0x100,
+        .boot_params = PLAT_PHYS_OFFSET + 0x100,
         .map_io = msm7x30_map_io,
         .init_irq = msm7x30_init_irq,
         .init_machine = msm7x30_init,
diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c
index 6dde8185205f..15c2bbd2ef81 100644
--- a/arch/arm/mach-msm/board-qsd8x50.c
+++ b/arch/arm/mach-msm/board-qsd8x50.c
@@ -118,7 +118,7 @@ static void __init qsd8x50_init(void)
 MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF")
 #ifdef CONFIG_MSM_DEBUG_UART
 #endif
-        .boot_params = PHYS_OFFSET + 0x100,
+        .boot_params = PLAT_PHYS_OFFSET + 0x100,
         .map_io = qsd8x50_map_io,
         .init_irq = qsd8x50_init_irq,
         .init_machine = qsd8x50_init,
@@ -128,7 +128,7 @@ MACHINE_END
 MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5")
 #ifdef CONFIG_MSM_DEBUG_UART
 #endif
-        .boot_params = PHYS_OFFSET + 0x100,
+        .boot_params = PLAT_PHYS_OFFSET + 0x100,
         .map_io = qsd8x50_map_io,
         .init_irq = qsd8x50_init_irq,
         .init_machine = qsd8x50_init,
diff --git a/arch/arm/mach-msm/board-sapphire.c b/arch/arm/mach-msm/board-sapphire.c
index 8919ffb17196..83604f526f0f 100644
--- a/arch/arm/mach-msm/board-sapphire.c
+++ b/arch/arm/mach-msm/board-sapphire.c
@@ -107,7 +107,7 @@ MACHINE_START(SAPPHIRE, "sapphire")
 /* Maintainer: Brian Swetland <swetland@google.com> */
 #ifdef CONFIG_MSM_DEBUG_UART
 #endif
-        .boot_params    = PHYS_OFFSET + 0x100,
+        .boot_params    = PLAT_PHYS_OFFSET + 0x100,
         .fixup          = sapphire_fixup,
         .map_io         = sapphire_map_io,
         .init_irq       = sapphire_init_irq,
diff --git a/arch/arm/mach-msm/include/mach/memory.h b/arch/arm/mach-msm/include/mach/memory.h
index 070e17d237f1..176875df241f 100644
--- a/arch/arm/mach-msm/include/mach/memory.h
+++ b/arch/arm/mach-msm/include/mach/memory.h
@@ -18,15 +18,15 @@
 
 /* physical offset of RAM */
 #if defined(CONFIG_ARCH_QSD8X50) && defined(CONFIG_MSM_SOC_REV_A)
-#define PHYS_OFFSET             UL(0x00000000)
+#define PLAT_PHYS_OFFSET                UL(0x00000000)
 #elif defined(CONFIG_ARCH_QSD8X50)
-#define PHYS_OFFSET             UL(0x20000000)
+#define PLAT_PHYS_OFFSET                UL(0x20000000)
 #elif defined(CONFIG_ARCH_MSM7X30)
-#define PHYS_OFFSET             UL(0x00200000)
+#define PLAT_PHYS_OFFSET                UL(0x00200000)
 #elif defined(CONFIG_ARCH_MSM8X60)
-#define PHYS_OFFSET             UL(0x40200000)
+#define PLAT_PHYS_OFFSET                UL(0x40200000)
 #else
-#define PHYS_OFFSET             UL(0x10000000)
+#define PLAT_PHYS_OFFSET                UL(0x10000000)
 #endif
 
 #endif
diff --git a/arch/arm/mach-mv78xx0/include/mach/memory.h b/arch/arm/mach-mv78xx0/include/mach/memory.h
index e663042d307f..a648c51f2e42 100644
--- a/arch/arm/mach-mv78xx0/include/mach/memory.h
+++ b/arch/arm/mach-mv78xx0/include/mach/memory.h
@@ -5,6 +5,6 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET             UL(0x00000000)
+#define PLAT_PHYS_OFFSET                UL(0x00000000)
 
 #endif
diff --git a/arch/arm/mach-mx3/mach-kzm_arm11_01.c b/arch/arm/mach-mx3/mach-kzm_arm11_01.c
index a5f3eb24e4d5..df1a6ce8e3e1 100644
--- a/arch/arm/mach-mx3/mach-kzm_arm11_01.c
+++ b/arch/arm/mach-mx3/mach-kzm_arm11_01.c
@@ -27,6 +27,7 @@
 
 #include <asm/irq.h>
 #include <asm/mach-types.h>
+#include <asm/memory.h>
 #include <asm/setup.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/irq.h>
@@ -36,7 +37,6 @@
 #include <mach/clock.h>
 #include <mach/common.h>
 #include <mach/iomux-mx3.h>
-#include <mach/memory.h>
 
 #include "devices-imx31.h"
 #include "devices.h"
diff --git a/arch/arm/mach-netx/include/mach/memory.h b/arch/arm/mach-netx/include/mach/memory.h
index 9a363f297f90..59561496c36e 100644
--- a/arch/arm/mach-netx/include/mach/memory.h
+++ b/arch/arm/mach-netx/include/mach/memory.h
@@ -20,7 +20,7 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET UL(0x80000000)
+#define PLAT_PHYS_OFFSET UL(0x80000000)
 
 #endif
 
diff --git a/arch/arm/mach-nomadik/include/mach/memory.h b/arch/arm/mach-nomadik/include/mach/memory.h
index 1e5689d98ecd..d3325211ba6a 100644
--- a/arch/arm/mach-nomadik/include/mach/memory.h
+++ b/arch/arm/mach-nomadik/include/mach/memory.h
@@ -23,6 +23,6 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
 #endif
diff --git a/arch/arm/mach-ns9xxx/include/mach/memory.h b/arch/arm/mach-ns9xxx/include/mach/memory.h
index 6107193adbfe..5c65aee6e7a9 100644
--- a/arch/arm/mach-ns9xxx/include/mach/memory.h
+++ b/arch/arm/mach-ns9xxx/include/mach/memory.h
@@ -19,6 +19,6 @@
 #define NS9XXX_CS2STAT_LENGTH   UL(0x1000)
 #define NS9XXX_CS3STAT_LENGTH   UL(0x1000)
 
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
 #endif
diff --git a/arch/arm/mach-nuc93x/include/mach/memory.h b/arch/arm/mach-nuc93x/include/mach/memory.h
index 323ab0db3f7d..ef9864b002a6 100644
--- a/arch/arm/mach-nuc93x/include/mach/memory.h
+++ b/arch/arm/mach-nuc93x/include/mach/memory.h
@@ -16,6 +16,6 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
 #endif
diff --git a/arch/arm/mach-omap1/include/mach/debug-macro.S b/arch/arm/mach-omap1/include/mach/debug-macro.S
index 6a0fa0462365..62856044eb63 100644
--- a/arch/arm/mach-omap1/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap1/include/mach/debug-macro.S
@@ -17,6 +17,9 @@
 
 #include <plat/serial.h>
 
+#define omap_uart_v2p(x)        ((x) - PAGE_OFFSET + PLAT_PHYS_OFFSET)
+#define omap_uart_p2v(x)        ((x) - PLAT_PHYS_OFFSET + PAGE_OFFSET)
+
                 .pushsection .data
 omap_uart_phys: .word   0x0
 omap_uart_virt: .word   0x0
@@ -33,7 +36,7 @@ omap_uart_virt:	.word	0x0
                 /* Use omap_uart_phys/virt if already configured */
 9:              mrc     p15, 0, \rp, c1, c0
                 tst     \rp, #1                 @ MMU enabled?
-                ldreq   \rp, =__virt_to_phys(omap_uart_phys)    @ MMU not enabled
+                ldreq   \rp, =omap_uart_v2p(omap_uart_phys)     @ MMU disabled
                 ldrne   \rp, =omap_uart_phys    @ MMU enabled
                 add     \rv, \rp, #4            @ omap_uart_virt
                 ldr     \rp, [\rp, #0]
@@ -46,7 +49,7 @@ omap_uart_virt:	.word	0x0
                 mrc     p15, 0, \rp, c1, c0
                 tst     \rp, #1                 @ MMU enabled?
                 ldreq   \rp, =OMAP_UART_INFO    @ MMU not enabled
-                ldrne   \rp, =__phys_to_virt(OMAP_UART_INFO)    @ MMU enabled
+                ldrne   \rp, =omap_uart_p2v(OMAP_UART_INFO)     @ MMU enabled
                 ldr     \rp, [\rp, #0]
 
                 /* Select the UART to use based on the UART1 scratchpad value */
@@ -73,7 +76,7 @@ omap_uart_virt:	.word	0x0
 98:             add     \rp, \rp, #0xff000000   @ phys base
                 mrc     p15, 0, \rv, c1, c0
                 tst     \rv, #1                 @ MMU enabled?
-                ldreq   \rv, =__virt_to_phys(omap_uart_phys)    @ MMU not enabled
+                ldreq   \rv, =omap_uart_v2p(omap_uart_phys)     @ MMU disabled
                 ldrne   \rv, =omap_uart_phys    @ MMU enabled
                 str     \rp, [\rv, #0]
                 sub     \rp, \rp, #0xff000000   @ phys base
diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S
index 6a4d4136002e..6049f465ec84 100644
--- a/arch/arm/mach-omap2/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap2/include/mach/debug-macro.S
@@ -19,6 +19,9 @@
 
 #define UART_OFFSET(addr)       ((addr) & 0x00ffffff)
 
+#define omap_uart_v2p(x)        ((x) - PAGE_OFFSET + PLAT_PHYS_OFFSET)
+#define omap_uart_p2v(x)        ((x) - PLAT_PHYS_OFFSET + PAGE_OFFSET)
+
                 .pushsection .data
 omap_uart_phys: .word   0
 omap_uart_virt: .word   0
@@ -36,7 +39,7 @@ omap_uart_lsr:	.word	0
                 /* Use omap_uart_phys/virt if already configured */
 10:             mrc     p15, 0, \rp, c1, c0
                 tst     \rp, #1                 @ MMU enabled?
-                ldreq   \rp, =__virt_to_phys(omap_uart_phys)    @ MMU not enabled
+                ldreq   \rp, =omap_uart_v2p(omap_uart_phys)     @ MMU disabled
                 ldrne   \rp, =omap_uart_phys    @ MMU enabled
                 add     \rv, \rp, #4            @ omap_uart_virt
                 ldr     \rp, [\rp, #0]
@@ -49,7 +52,7 @@ omap_uart_lsr:	.word	0
                 mrc     p15, 0, \rp, c1, c0
                 tst     \rp, #1                 @ MMU enabled?
                 ldreq   \rp, =OMAP_UART_INFO    @ MMU not enabled
-                ldrne   \rp, =__phys_to_virt(OMAP_UART_INFO)    @ MMU enabled
+                ldrne   \rp, =omap_uart_p2v(OMAP_UART_INFO)     @ MMU enabled
                 ldr     \rp, [\rp, #0]
 
                 /* Select the UART to use based on the UART1 scratchpad value */
@@ -94,7 +97,7 @@ omap_uart_lsr:	.word	0
 95:             ldr     \rp, =ZOOM_UART_BASE
                 mrc     p15, 0, \rv, c1, c0
                 tst     \rv, #1                 @ MMU enabled?
-                ldreq   \rv, =__virt_to_phys(omap_uart_phys)    @ MMU not enabled
+                ldreq   \rv, =omap_uart_v2p(omap_uart_phys)     @ MMU disabled
                 ldrne   \rv, =omap_uart_phys    @ MMU enabled
                 str     \rp, [\rv, #0]
                 ldr     \rp, =ZOOM_UART_VIRT
@@ -109,7 +112,7 @@ omap_uart_lsr:	.word	0
 98:             add     \rp, \rp, #0x48000000   @ phys base
                 mrc     p15, 0, \rv, c1, c0
                 tst     \rv, #1                 @ MMU enabled?
-                ldreq   \rv, =__virt_to_phys(omap_uart_phys)    @ MMU not enabled
+                ldreq   \rv, =omap_uart_v2p(omap_uart_phys)     @ MMU disabled
                 ldrne   \rv, =omap_uart_phys    @ MMU enabled
                 str     \rp, [\rv, #0]
                 sub     \rp, \rp, #0x48000000   @ phys base
@@ -131,7 +134,7 @@ omap_uart_lsr:	.word	0
                 .macro  busyuart,rd,rx
 1001:           mrc     p15, 0, \rd, c1, c0
                 tst     \rd, #1                 @ MMU enabled?
-                ldreq   \rd, =__virt_to_phys(omap_uart_lsr)     @ MMU not enabled
+                ldreq   \rd, =omap_uart_v2p(omap_uart_lsr)      @ MMU disabled
                 ldrne   \rd, =omap_uart_lsr     @ MMU enabled
                 ldr     \rd, [\rd, #0]
                 ldrb    \rd, [\rx, \rd]
diff --git a/arch/arm/mach-orion5x/include/mach/memory.h b/arch/arm/mach-orion5x/include/mach/memory.h
index 52a2955d0f87..6769917882fe 100644
--- a/arch/arm/mach-orion5x/include/mach/memory.h
+++ b/arch/arm/mach-orion5x/include/mach/memory.h
@@ -7,6 +7,6 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
 #endif
diff --git a/arch/arm/mach-pnx4008/include/mach/memory.h b/arch/arm/mach-pnx4008/include/mach/memory.h
index 0e8770081058..1275db61cee5 100644
--- a/arch/arm/mach-pnx4008/include/mach/memory.h
+++ b/arch/arm/mach-pnx4008/include/mach/memory.h
@@ -16,6 +16,6 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0x80000000)
+#define PLAT_PHYS_OFFSET        UL(0x80000000)
 
 #endif
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index a134a1413e01..e194d928cdaa 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -829,5 +829,5 @@ MACHINE_START(BALLOON3, "Balloon3")
         .init_irq       = balloon3_init_irq,
         .timer          = &pxa_timer,
         .init_machine   = balloon3_init,
-        .boot_params    = PHYS_OFFSET + 0x100,
+        .boot_params    = PLAT_PHYS_OFFSET + 0x100,
 MACHINE_END
diff --git a/arch/arm/mach-pxa/include/mach/memory.h b/arch/arm/mach-pxa/include/mach/memory.h
index 92361a66b223..7f68724dcc27 100644
--- a/arch/arm/mach-pxa/include/mach/memory.h
+++ b/arch/arm/mach-pxa/include/mach/memory.h
@@ -15,7 +15,7 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0xa0000000)
+#define PLAT_PHYS_OFFSET        UL(0xa0000000)
 
 #if !defined(__ASSEMBLY__) && defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI)
 void cmx2xx_pci_adjust_zones(unsigned long *size, unsigned long *holes);
diff --git a/arch/arm/mach-realview/include/mach/memory.h b/arch/arm/mach-realview/include/mach/memory.h
index 5dafc157b276..e05fc2c4c080 100644
--- a/arch/arm/mach-realview/include/mach/memory.h
+++ b/arch/arm/mach-realview/include/mach/memory.h
@@ -24,9 +24,9 @@
  * Physical DRAM offset.
  */
 #ifdef CONFIG_REALVIEW_HIGH_PHYS_OFFSET
-#define PHYS_OFFSET             UL(0x70000000)
+#define PLAT_PHYS_OFFSET                UL(0x70000000)
 #else
-#define PHYS_OFFSET             UL(0x00000000)
+#define PLAT_PHYS_OFFSET                UL(0x00000000)
 #endif
 
 #if !defined(__ASSEMBLY__) && defined(CONFIG_ZONE_DMA)
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 6ef5c5e528b2..8ede983b861c 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -484,7 +484,7 @@ static void __init realview_eb_init(void)
 
 MACHINE_START(REALVIEW_EB, "ARM-RealView EB")
         /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-        .boot_params    = PHYS_OFFSET + 0x00000100,
+        .boot_params    = PLAT_PHYS_OFFSET + 0x00000100,
         .fixup          = realview_fixup,
         .map_io         = realview_eb_map_io,
         .init_irq       = gic_init_irq,
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index cbdc97a5685f..9f26369555c7 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -379,7 +379,7 @@ static void __init realview_pb1176_init(void)
 
 MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176")
         /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-        .boot_params    = PHYS_OFFSET + 0x00000100,
+        .boot_params    = PLAT_PHYS_OFFSET + 0x00000100,
         .fixup          = realview_pb1176_fixup,
         .map_io         = realview_pb1176_map_io,
         .init_irq       = gic_init_irq,
diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index 8e8ab7d29a6a..dea06b2da3a2 100644
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -381,7 +381,7 @@ static void __init realview_pb11mp_init(void)
 
 MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore")
         /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-        .boot_params    = PHYS_OFFSET + 0x00000100,
+        .boot_params    = PLAT_PHYS_OFFSET + 0x00000100,
         .fixup          = realview_fixup,
         .map_io         = realview_pb11mp_map_io,
         .init_irq       = gic_init_irq,
diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c
index 841118e3e118..7d0f1734a217 100644
--- a/arch/arm/mach-realview/realview_pba8.c
+++ b/arch/arm/mach-realview/realview_pba8.c
@@ -331,7 +331,7 @@ static void __init realview_pba8_init(void)
 
 MACHINE_START(REALVIEW_PBA8, "ARM-RealView PB-A8")
         /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-        .boot_params    = PHYS_OFFSET + 0x00000100,
+        .boot_params    = PLAT_PHYS_OFFSET + 0x00000100,
         .fixup          = realview_fixup,
         .map_io         = realview_pba8_map_io,
         .init_irq       = gic_init_irq,
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
index 02b755b009db..b89e28f8853e 100644
--- a/arch/arm/mach-realview/realview_pbx.c
+++ b/arch/arm/mach-realview/realview_pbx.c
@@ -414,7 +414,7 @@ static void __init realview_pbx_init(void)
 
 MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
         /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-        .boot_params    = PHYS_OFFSET + 0x00000100,
+        .boot_params    = PLAT_PHYS_OFFSET + 0x00000100,
         .fixup          = realview_pbx_fixup,
         .map_io         = realview_pbx_map_io,
         .init_irq       = gic_init_irq,
diff --git a/arch/arm/mach-rpc/include/mach/memory.h b/arch/arm/mach-rpc/include/mach/memory.h
index 78191bf25192..18a221093bf5 100644
--- a/arch/arm/mach-rpc/include/mach/memory.h
+++ b/arch/arm/mach-rpc/include/mach/memory.h
@@ -21,7 +21,7 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0x10000000)
+#define PLAT_PHYS_OFFSET        UL(0x10000000)
 
 /*
  * Cache flushing area - ROM
diff --git a/arch/arm/mach-s3c2400/include/mach/memory.h b/arch/arm/mach-s3c2400/include/mach/memory.h
index cf5901ffd385..3f33670dd012 100644
--- a/arch/arm/mach-s3c2400/include/mach/memory.h
+++ b/arch/arm/mach-s3c2400/include/mach/memory.h
@@ -15,6 +15,6 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET     UL(0x0C000000)
+#define PLAT_PHYS_OFFSET        UL(0x0C000000)
 
 #endif
diff --git a/arch/arm/mach-s3c2410/include/mach/memory.h b/arch/arm/mach-s3c2410/include/mach/memory.h
index 6f1e5871ae4b..f92b97b89c0c 100644
--- a/arch/arm/mach-s3c2410/include/mach/memory.h
+++ b/arch/arm/mach-s3c2410/include/mach/memory.h
@@ -11,6 +11,6 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET     UL(0x30000000)
+#define PLAT_PHYS_OFFSET        UL(0x30000000)
 
 #endif
diff --git a/arch/arm/mach-s3c24a0/include/mach/memory.h b/arch/arm/mach-s3c24a0/include/mach/memory.h
index 7d74fd5c8d66..7d208a71b172 100644
--- a/arch/arm/mach-s3c24a0/include/mach/memory.h
+++ b/arch/arm/mach-s3c24a0/include/mach/memory.h
@@ -11,7 +11,7 @@
 #ifndef __ASM_ARCH_24A0_MEMORY_H
 #define __ASM_ARCH_24A0_MEMORY_H __FILE__
 
-#define PHYS_OFFSET UL(0x10000000)
+#define PLAT_PHYS_OFFSET UL(0x10000000)
 
 #define __virt_to_bus(x) __virt_to_phys(x)
 #define __bus_to_virt(x) __phys_to_virt(x)
diff --git a/arch/arm/mach-s3c64xx/include/mach/memory.h b/arch/arm/mach-s3c64xx/include/mach/memory.h
index 42cc54e2ee30..4760cdae1eb6 100644
--- a/arch/arm/mach-s3c64xx/include/mach/memory.h
+++ b/arch/arm/mach-s3c64xx/include/mach/memory.h
@@ -13,7 +13,7 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET     UL(0x50000000)
+#define PLAT_PHYS_OFFSET     UL(0x50000000)
 
 #define CONSISTENT_DMA_SIZE     SZ_8M
 
diff --git a/arch/arm/mach-s5p6442/include/mach/memory.h b/arch/arm/mach-s5p6442/include/mach/memory.h
index 9ddd877ba2ea..cfe259dded33 100644
--- a/arch/arm/mach-s5p6442/include/mach/memory.h
+++ b/arch/arm/mach-s5p6442/include/mach/memory.h
@@ -13,7 +13,7 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET             UL(0x20000000)
+#define PLAT_PHYS_OFFSET                UL(0x20000000)
 #define CONSISTENT_DMA_SIZE     SZ_8M
 
 #endif /* __ASM_ARCH_MEMORY_H */
diff --git a/arch/arm/mach-s5p64x0/include/mach/memory.h b/arch/arm/mach-s5p64x0/include/mach/memory.h
index 1b036b0a24ce..365a6eb4b88f 100644
--- a/arch/arm/mach-s5p64x0/include/mach/memory.h
+++ b/arch/arm/mach-s5p64x0/include/mach/memory.h
@@ -13,7 +13,7 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H __FILE__
 
-#define PHYS_OFFSET             UL(0x20000000)
+#define PLAT_PHYS_OFFSET                UL(0x20000000)
 #define CONSISTENT_DMA_SIZE     SZ_8M
 
 #endif /* __ASM_ARCH_MEMORY_H */
diff --git a/arch/arm/mach-s5pc100/include/mach/memory.h b/arch/arm/mach-s5pc100/include/mach/memory.h
index 4b60d18179f7..bda4e79fd5fc 100644
--- a/arch/arm/mach-s5pc100/include/mach/memory.h
+++ b/arch/arm/mach-s5pc100/include/mach/memory.h
@@ -13,6 +13,6 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET             UL(0x20000000)
+#define PLAT_PHYS_OFFSET        UL(0x20000000)
 
 #endif
diff --git a/arch/arm/mach-s5pv210/include/mach/memory.h b/arch/arm/mach-s5pv210/include/mach/memory.h
index d503e0c4ce4f..7b5fcf0da0c4 100644
--- a/arch/arm/mach-s5pv210/include/mach/memory.h
+++ b/arch/arm/mach-s5pv210/include/mach/memory.h
@@ -13,7 +13,7 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET             UL(0x20000000)
+#define PLAT_PHYS_OFFSET                UL(0x20000000)
 #define CONSISTENT_DMA_SIZE     (SZ_8M + SZ_4M + SZ_2M)
 
 /*
diff --git a/arch/arm/mach-s5pv310/include/mach/memory.h b/arch/arm/mach-s5pv310/include/mach/memory.h
index 1dffb4823245..470b01bf8614 100644
--- a/arch/arm/mach-s5pv310/include/mach/memory.h
+++ b/arch/arm/mach-s5pv310/include/mach/memory.h
@@ -13,7 +13,7 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H __FILE__
 
-#define PHYS_OFFSET             UL(0x40000000)
+#define PLAT_PHYS_OFFSET                UL(0x40000000)
 
 /* Maximum of 256MiB in one bank */
 #define MAX_PHYSMEM_BITS        32
diff --git a/arch/arm/mach-sa1100/include/mach/memory.h b/arch/arm/mach-sa1100/include/mach/memory.h
index 128a1dfa96b9..a44da6a2916c 100644
--- a/arch/arm/mach-sa1100/include/mach/memory.h
+++ b/arch/arm/mach-sa1100/include/mach/memory.h
@@ -12,7 +12,7 @@
 /*
  * Physical DRAM offset is 0xc0000000 on the SA1100
  */
-#define PHYS_OFFSET     UL(0xc0000000)
+#define PLAT_PHYS_OFFSET        UL(0xc0000000)
 
 #ifndef __ASSEMBLY__
 
diff --git a/arch/arm/mach-shark/include/mach/memory.h b/arch/arm/mach-shark/include/mach/memory.h
index d9c4812f1c31..9afb17000008 100644
--- a/arch/arm/mach-shark/include/mach/memory.h
+++ b/arch/arm/mach-shark/include/mach/memory.h
@@ -15,7 +15,7 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0x08000000)
+#define PLAT_PHYS_OFFSET     UL(0x08000000)
 
 #ifndef __ASSEMBLY__
 
diff --git a/arch/arm/mach-shmobile/include/mach/memory.h b/arch/arm/mach-shmobile/include/mach/memory.h
index 377584e57e03..ad00c3c258f4 100644
--- a/arch/arm/mach-shmobile/include/mach/memory.h
+++ b/arch/arm/mach-shmobile/include/mach/memory.h
@@ -1,7 +1,7 @@
 #ifndef __ASM_MACH_MEMORY_H
 #define __ASM_MACH_MEMORY_H
 
-#define PHYS_OFFSET     UL(CONFIG_MEMORY_START)
+#define PLAT_PHYS_OFFSET        UL(CONFIG_MEMORY_START)
 #define MEM_SIZE        UL(CONFIG_MEMORY_SIZE)
 
 /* DMA memory at 0xf6000000 - 0xffdfffff */
diff --git a/arch/arm/mach-tcc8k/board-tcc8000-sdk.c b/arch/arm/mach-tcc8k/board-tcc8000-sdk.c
index 7991415e666b..fb6426ddeb77 100644
--- a/arch/arm/mach-tcc8k/board-tcc8000-sdk.c
+++ b/arch/arm/mach-tcc8k/board-tcc8000-sdk.c
@@ -54,7 +54,7 @@ static void __init tcc8k_map_io(void)
 }
 
 MACHINE_START(TCC8000_SDK, "Telechips TCC8000-SDK Demo Board")
-        .boot_params    = PHYS_OFFSET + 0x00000100,
+        .boot_params    = PLAT_PHYS_OFFSET + 0x00000100,
         .map_io         = tcc8k_map_io,
         .init_irq       = tcc8k_init_irq,
         .init_machine   = tcc8k_init,
diff --git a/arch/arm/mach-tegra/include/mach/memory.h b/arch/arm/mach-tegra/include/mach/memory.h
index 6151bab62af2..537db3aa81a7 100644
--- a/arch/arm/mach-tegra/include/mach/memory.h
+++ b/arch/arm/mach-tegra/include/mach/memory.h
@@ -22,7 +22,7 @@
 #define __MACH_TEGRA_MEMORY_H
 
 /* physical offset of RAM */
-#define PHYS_OFFSET             UL(0)
+#define PLAT_PHYS_OFFSET                UL(0)
 
 #endif
 
diff --git a/arch/arm/mach-u300/include/mach/memory.h b/arch/arm/mach-u300/include/mach/memory.h
index bf134bcc129d..888e2e351ee1 100644
--- a/arch/arm/mach-u300/include/mach/memory.h
+++ b/arch/arm/mach-u300/include/mach/memory.h
@@ -15,17 +15,17 @@
 
 #ifdef CONFIG_MACH_U300_DUAL_RAM
 
-#define PHYS_OFFSET             UL(0x48000000)
+#define PLAT_PHYS_OFFSET                UL(0x48000000)
 #define BOOT_PARAMS_OFFSET      (PHYS_OFFSET + 0x100)
 
 #else
 
 #ifdef CONFIG_MACH_U300_2MB_ALIGNMENT_FIX
-#define PHYS_OFFSET (0x28000000 + \
+#define PLAT_PHYS_OFFSET (0x28000000 + \
              (CONFIG_MACH_U300_ACCESS_MEM_SIZE - \
              (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
 #else
-#define PHYS_OFFSET (0x28000000 + \
+#define PLAT_PHYS_OFFSET (0x28000000 + \
              (CONFIG_MACH_U300_ACCESS_MEM_SIZE +        \
              (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
 #endif
diff --git a/arch/arm/mach-u300/u300.c b/arch/arm/mach-u300/u300.c
index 07c35a846424..48b3b7f39966 100644
--- a/arch/arm/mach-u300/u300.c
+++ b/arch/arm/mach-u300/u300.c
@@ -19,9 +19,9 @@
 #include <linux/io.h>
 #include <mach/hardware.h>
 #include <mach/platform.h>
-#include <mach/memory.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
+#include <asm/memory.h>
 
 static void __init u300_reserve(void)
 {
diff --git a/arch/arm/mach-ux500/include/mach/memory.h b/arch/arm/mach-ux500/include/mach/memory.h
index 510571a59e25..2ef697a67006 100644
--- a/arch/arm/mach-ux500/include/mach/memory.h
+++ b/arch/arm/mach-ux500/include/mach/memory.h
@@ -12,7 +12,7 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 #define BUS_OFFSET      UL(0x00000000)
 
 #endif
diff --git a/arch/arm/mach-versatile/include/mach/memory.h b/arch/arm/mach-versatile/include/mach/memory.h
index 79aeab86b903..dacc9d8e4e6a 100644
--- a/arch/arm/mach-versatile/include/mach/memory.h
+++ b/arch/arm/mach-versatile/include/mach/memory.h
@@ -23,6 +23,6 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
 #endif
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index e628402b754c..e9bccc5230c9 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -243,7 +243,7 @@ static void __init ct_ca9x4_init(void)
 }
 
 MACHINE_START(VEXPRESS, "ARM-Versatile Express CA9x4")
-        .boot_params    = PHYS_OFFSET + 0x00000100,
+        .boot_params    = PLAT_PHYS_OFFSET + 0x00000100,
         .map_io         = ct_ca9x4_map_io,
         .init_irq       = ct_ca9x4_init_irq,
 #if 0
diff --git a/arch/arm/mach-vexpress/include/mach/memory.h b/arch/arm/mach-vexpress/include/mach/memory.h
index be28232ae639..5b7fcd439d87 100644
--- a/arch/arm/mach-vexpress/include/mach/memory.h
+++ b/arch/arm/mach-vexpress/include/mach/memory.h
@@ -20,6 +20,6 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET             UL(0x60000000)
+#define PLAT_PHYS_OFFSET                UL(0x60000000)
 
 #endif
diff --git a/arch/arm/mach-w90x900/include/mach/memory.h b/arch/arm/mach-w90x900/include/mach/memory.h
index 971b80702c27..f02905ba7746 100644
--- a/arch/arm/mach-w90x900/include/mach/memory.h
+++ b/arch/arm/mach-w90x900/include/mach/memory.h
@@ -18,6 +18,6 @@
 #ifndef __ASM_ARCH_MEMORY_H
 #define __ASM_ARCH_MEMORY_H
 
-#define PHYS_OFFSET     UL(0x00000000)
+#define PLAT_PHYS_OFFSET        UL(0x00000000)
 
 #endif
diff --git a/arch/arm/plat-mxc/include/mach/memory.h b/arch/arm/plat-mxc/include/mach/memory.h
index 83861408133f..5d51cbb98893 100644
--- a/arch/arm/plat-mxc/include/mach/memory.h
+++ b/arch/arm/plat-mxc/include/mach/memory.h
@@ -23,23 +23,23 @@
 
 #if !defined(CONFIG_RUNTIME_PHYS_OFFSET)
 # if defined CONFIG_ARCH_MX1
-#  define PHYS_OFFSET           MX1_PHYS_OFFSET
+#  define PLAT_PHYS_OFFSET              MX1_PHYS_OFFSET
 # elif defined CONFIG_MACH_MX21
-#  define PHYS_OFFSET           MX21_PHYS_OFFSET
+#  define PLAT_PHYS_OFFSET              MX21_PHYS_OFFSET
 # elif defined CONFIG_ARCH_MX25
-#  define PHYS_OFFSET           MX25_PHYS_OFFSET
+#  define PLAT_PHYS_OFFSET              MX25_PHYS_OFFSET
 # elif defined CONFIG_MACH_MX27
-#  define PHYS_OFFSET           MX27_PHYS_OFFSET
+#  define PLAT_PHYS_OFFSET              MX27_PHYS_OFFSET
 # elif defined CONFIG_ARCH_MX3
-#  define PHYS_OFFSET           MX3x_PHYS_OFFSET
+#  define PLAT_PHYS_OFFSET              MX3x_PHYS_OFFSET
 # elif defined CONFIG_ARCH_MXC91231
-#  define PHYS_OFFSET           MXC91231_PHYS_OFFSET
+#  define PLAT_PHYS_OFFSET              MXC91231_PHYS_OFFSET
 # elif defined CONFIG_ARCH_MX50
-#  define PHYS_OFFSET           MX50_PHYS_OFFSET
+#  define PLAT_PHYS_OFFSET              MX50_PHYS_OFFSET
 # elif defined CONFIG_ARCH_MX51
-#  define PHYS_OFFSET           MX51_PHYS_OFFSET
+#  define PLAT_PHYS_OFFSET              MX51_PHYS_OFFSET
 # elif defined CONFIG_ARCH_MX53
-#  define PHYS_OFFSET           MX53_PHYS_OFFSET
+#  define PLAT_PHYS_OFFSET              MX53_PHYS_OFFSET
 # endif
 #endif
 
diff --git a/arch/arm/plat-omap/include/plat/memory.h b/arch/arm/plat-omap/include/plat/memory.h
index f8d922fb5584..e6720aa2d553 100644
--- a/arch/arm/plat-omap/include/plat/memory.h
+++ b/arch/arm/plat-omap/include/plat/memory.h
@@ -37,9 +37,9 @@
  * Physical DRAM offset.
  */
 #if defined(CONFIG_ARCH_OMAP1)
-#define PHYS_OFFSET             UL(0x10000000)
+#define PLAT_PHYS_OFFSET                UL(0x10000000)
 #else
-#define PHYS_OFFSET             UL(0x80000000)
+#define PLAT_PHYS_OFFSET                UL(0x80000000)
 #endif
 
 /*
diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h
index cec5d56db2eb..8ff605c83aca 100644
--- a/arch/arm/plat-omap/include/plat/serial.h
+++ b/arch/arm/plat-omap/include/plat/serial.h
@@ -27,7 +27,7 @@
  * 2. We assume printascii is called at least once before paging_init,
  *    and addruart has a chance to read OMAP_UART_INFO
  */
-#define OMAP_UART_INFO          (PHYS_OFFSET + 0x3ffc)
+#define OMAP_UART_INFO          (PLAT_PHYS_OFFSET + 0x3ffc)
 
 /* OMAP1 serial ports */
 #define OMAP1_UART1_BASE        0xfffb0000
diff --git a/arch/arm/plat-spear/include/plat/memory.h b/arch/arm/plat-spear/include/plat/memory.h
index 27a4aba77343..7e3599e1104e 100644
--- a/arch/arm/plat-spear/include/plat/memory.h
+++ b/arch/arm/plat-spear/include/plat/memory.h
@@ -15,6 +15,6 @@
 #define __PLAT_MEMORY_H
 
 /* Physical DRAM offset */
-#define PHYS_OFFSET             UL(0x00000000)
+#define PLAT_PHYS_OFFSET                UL(0x00000000)
 
 #endif /* __PLAT_MEMORY_H */
diff --git a/arch/arm/plat-stmp3xxx/include/mach/memory.h b/arch/arm/plat-stmp3xxx/include/mach/memory.h
index 7b875a07a1a7..61fa54882e12 100644
--- a/arch/arm/plat-stmp3xxx/include/mach/memory.h
+++ b/arch/arm/plat-stmp3xxx/include/mach/memory.h
@@ -17,6 +17,6 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET     UL(0x40000000)
+#define PLAT_PHYS_OFFSET        UL(0x40000000)
 
 #endif
diff --git a/arch/arm/plat-tcc/include/mach/memory.h b/arch/arm/plat-tcc/include/mach/memory.h
index cd91ba8a670b..28a6e0cd13b3 100644
--- a/arch/arm/plat-tcc/include/mach/memory.h
+++ b/arch/arm/plat-tcc/include/mach/memory.h
@@ -13,6 +13,6 @@
 /*
  * Physical DRAM offset.
  */
-#define PHYS_OFFSET             UL(0x20000000)
+#define PLAT_PHYS_OFFSET                UL(0x20000000)
 
 #endif