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Diffstat (limited to 'include/asm-mips/page.h')
-rw-r--r--include/asm-mips/page.h21
1 files changed, 9 insertions, 12 deletions
diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h
index 5c3239dad0f..b92dd8c760d 100644
--- 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);
@@ -150,11 +143,15 @@ 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)
+#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))