Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6-omap-h63xx.git] / include / asm-mips / page.h

diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h
index d3fbd83ff545e49e2a0a5ca0f00dda4eedaf8be7..d2ea983bec06f913645a26383b2793feb64d1d64 100644 (file)
--- a/include/asm-mips/page.h
+++ b/include/asm-mips/page.h
@@ -34,12 +34,8 @@
 
 #ifndef __ASSEMBLY__
 
-/*
- * This gives the physical RAM offset.
- */
-#ifndef PHYS_OFFSET
-#define PHYS_OFFSET            0UL
-#endif
+#include <linux/pfn.h>
+#include <asm/io.h>
 
 /*
  * It's normally defined only for FLATMEM config but it's
@@ -48,9 +44,6 @@
  */
 #define ARCH_PFN_OFFSET                PFN_UP(PHYS_OFFSET)
 
-#include <linux/pfn.h>
-#include <asm/io.h>
-
 extern void clear_page(void * page);
 extern void copy_page(void * to, void * from);
 
@@ -149,14 +142,18 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 /*
  * __pa()/__va() should be used only during mem init.
  */
-#if defined(CONFIG_64BIT) && !defined(CONFIG_BUILD_ELF64)
-#define __pa_page_offset(x)    ((unsigned long)(x) < CKSEG0 ? PAGE_OFFSET : CKSEG0)
+#ifdef CONFIG_64BIT
+#define __pa(x)                                                                \
+({                                                                     \
+    unsigned long __x = (unsigned long)(x);                            \
+    __x < CKSEG0 ? XPHYSADDR(__x) : CPHYSADDR(__x);                    \
+})
 #else
-#define __pa_page_offset(x)    PAGE_OFFSET
+#define __pa(x)                                                                \
+    ((unsigned long)(x) - PAGE_OFFSET + PHYS_OFFSET)
 #endif
-#define __pa(x)                ((unsigned long)(x) - __pa_page_offset(x) + PHYS_OFFSET)
 #define __va(x)                ((void *)((unsigned long)(x) + PAGE_OFFSET - PHYS_OFFSET))
-#define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x),0))
+#define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x), 0))
 
 #define pfn_to_kaddr(pfn)      __va((pfn) << PAGE_SHIFT)
 
@@ -190,10 +187,6 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 #define UNCAC_ADDR(addr)       ((addr) - PAGE_OFFSET + UNCAC_BASE)
 #define CAC_ADDR(addr)         ((addr) - UNCAC_BASE + PAGE_OFFSET)
 
-#ifdef CONFIG_LIMITED_DMA
-#define WANT_PAGE_VIRTUAL
-#endif
-
 #include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>