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Diffstat (limited to 'include/asm-mips/page.h')
-rw-r--r--include/asm-mips/page.h16
1 files changed, 12 insertions, 4 deletions
diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h
index 85b258ee709..0dc1a45c27e 100644
--- a/include/asm-mips/page.h
+++ b/include/asm-mips/page.h
@@ -34,7 +34,9 @@
#ifndef __ASSEMBLY__
+#include <linux/pfn.h>
#include <asm/cpu-features.h>
+#include <asm/io.h>
extern void clear_page(void * page);
extern void copy_page(void * to, void * from);
@@ -134,8 +136,14 @@ typedef struct { unsigned long pgprot; } pgprot_t;
/* to align the pointer to the (next) page boundary */
#define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK)
-#define __pa(x) ((unsigned long) (x) - PAGE_OFFSET)
-#define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET))
+#if defined(CONFIG_64BIT) && !defined(CONFIG_BUILD_ELF64)
+#define __pa_page_offset(x) ((unsigned long)(x) < CKSEG0 ? PAGE_OFFSET : CKSEG0)
+#else
+#define __pa_page_offset(x) PAGE_OFFSET
+#endif
+#define __pa(x) ((unsigned long)(x) - __pa_page_offset(x))
+#define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x),0))
+#define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
@@ -160,8 +168,8 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#endif
-#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
-#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
+#define virt_to_page(kaddr) pfn_to_page(PFN_DOWN(virt_to_phys(kaddr)))
+#define virt_addr_valid(kaddr) pfn_valid(PFN_DOWN(virt_to_phys(kaddr)))
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)