Merge remote-tracking branches 'asoc/fix/adsp', 'asoc/fix/arizona', 'asoc/fix/atmel...

[linux-drm-fsl-dcu.git] / arch / arm / include / asm / memory.h

diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 9ecccc865046a2c257277cd03a8f607ed5e0217d..6976b03e521369bddedfe6968cfa221c6705c552 100644 (file)
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -100,23 +100,19 @@
 #define TASK_UNMAPPED_BASE     UL(0x00000000)
 #endif
 
-#ifndef PHYS_OFFSET
-#define PHYS_OFFSET            UL(CONFIG_DRAM_BASE)
-#endif
-
 #ifndef END_MEM
 #define END_MEM                (UL(CONFIG_DRAM_BASE) + CONFIG_DRAM_SIZE)
 #endif
 
 #ifndef PAGE_OFFSET
-#define PAGE_OFFSET            (PHYS_OFFSET)
+#define PAGE_OFFSET            PLAT_PHYS_OFFSET
 #endif
 
 /*
  * The module can be at any place in ram in nommu mode.
  */
 #define MODULES_END            (END_MEM)
-#define MODULES_VADDR          (PHYS_OFFSET)
+#define MODULES_VADDR          PAGE_OFFSET
 
 #define XIP_VIRT_ADDR(physaddr)  (physaddr)
 
@@ -157,6 +153,16 @@
 #endif
 #define ARCH_PGD_MASK          ((1 << ARCH_PGD_SHIFT) - 1)
 
+/*
+ * PLAT_PHYS_OFFSET is the offset (from zero) of the start of physical
+ * memory.  This is used for XIP and NoMMU kernels, or by kernels which
+ * have their own mach/memory.h.  Assembly code must always use
+ * PLAT_PHYS_OFFSET and not PHYS_OFFSET.
+ */
+#ifndef PLAT_PHYS_OFFSET
+#define PLAT_PHYS_OFFSET       UL(CONFIG_PHYS_OFFSET)
+#endif
+
 #ifndef __ASSEMBLY__
 
 /*
@@ -239,6 +245,8 @@ static inline unsigned long __phys_to_virt(phys_addr_t x)
 
 #else
 
+#define PHYS_OFFSET    PLAT_PHYS_OFFSET
+
 static inline phys_addr_t __virt_to_phys(unsigned long x)
 {
        return (phys_addr_t)x - PAGE_OFFSET + PHYS_OFFSET;
@@ -251,17 +259,6 @@ static inline unsigned long __phys_to_virt(phys_addr_t x)
 
 #endif
 #endif
-#endif /* __ASSEMBLY__ */
-
-#ifndef PHYS_OFFSET
-#ifdef PLAT_PHYS_OFFSET
-#define PHYS_OFFSET    PLAT_PHYS_OFFSET
-#else
-#define PHYS_OFFSET    UL(CONFIG_PHYS_OFFSET)
-#endif
-#endif
-
-#ifndef __ASSEMBLY__
 
 /*
  * PFNs are used to describe any physical page; this means