Merge branch 'p2v' into devel

Conflicts:
	arch/arm/kernel/module.c
	arch/arm/mach-s5pv210/sleep.S

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"

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>
 
@@ -132,21 +133,11 @@
 #define DTCM_OFFSET	UL(0xfffe8000)
 #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
@@ -156,6 +147,62 @@
 
 #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
@@ -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)));
 }

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 */

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

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
@@ -88,13 +81,25 @@ 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"

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;
@@ -332,6 +333,11 @@ int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
 					         maps[i].unw_sec->sh_size,
 					         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())

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)
+	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)
 	/*

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;

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

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 */

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

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

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

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)
 

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)

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

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

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

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

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
 

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 */

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)

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)

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__
 

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

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

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>
 

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)
 

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)
 

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

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__
 

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

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

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

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 */

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,

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,

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,

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,

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

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

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"

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
 

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

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

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

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

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]

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

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

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

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);

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)

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,

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,

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,

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,

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,

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

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

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

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)

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
 

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 */

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 */

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

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)
 
 /*

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

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__
 

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__
 

arch/arm/mach-shmobile/include/mach/memory.h

 #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 */

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,

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
 

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

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)
 {

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

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

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

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

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

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
 

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
 
 /*

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

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 */

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

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