diff options
Diffstat (limited to 'arch/xtensa/include/asm/page.h')
| -rw-r--r-- | arch/xtensa/include/asm/page.h | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h index ad38500471fa..976b1d70edbc 100644 --- a/arch/xtensa/include/asm/page.h +++ b/arch/xtensa/include/asm/page.h @@ -15,15 +15,7 @@ #include <asm/types.h> #include <asm/cache.h> #include <platform/hardware.h> - -/* - * Fixed TLB translations in the processor. - */ - -#define XCHAL_KSEG_CACHED_VADDR __XTENSA_UL_CONST(0xd0000000) -#define XCHAL_KSEG_BYPASS_VADDR __XTENSA_UL_CONST(0xd8000000) -#define XCHAL_KSEG_PADDR __XTENSA_UL_CONST(0x00000000) -#define XCHAL_KSEG_SIZE __XTENSA_UL_CONST(0x08000000) +#include <asm/kmem_layout.h> /* * PAGE_SHIFT determines the page size @@ -35,10 +27,13 @@ #ifdef CONFIG_MMU #define PAGE_OFFSET XCHAL_KSEG_CACHED_VADDR -#define MAX_MEM_PFN XCHAL_KSEG_SIZE +#define PHYS_OFFSET XCHAL_KSEG_PADDR +#define MAX_LOW_PFN (PHYS_PFN(XCHAL_KSEG_PADDR) + \ + PHYS_PFN(XCHAL_KSEG_SIZE)) #else -#define PAGE_OFFSET __XTENSA_UL_CONST(0) -#define MAX_MEM_PFN (PLATFORM_DEFAULT_MEM_START + PLATFORM_DEFAULT_MEM_SIZE) +#define PAGE_OFFSET PLATFORM_DEFAULT_MEM_START +#define PHYS_OFFSET PLATFORM_DEFAULT_MEM_START +#define MAX_LOW_PFN PHYS_PFN(0xfffffffful) #endif #define PGTABLE_START 0x80000000 @@ -167,10 +162,12 @@ void copy_user_highpage(struct page *to, struct page *from, * addresses. */ -#define ARCH_PFN_OFFSET (PLATFORM_DEFAULT_MEM_START >> PAGE_SHIFT) +#define ARCH_PFN_OFFSET (PHYS_OFFSET >> PAGE_SHIFT) -#define __pa(x) ((unsigned long) (x) - PAGE_OFFSET) -#define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET)) +#define __pa(x) \ + ((unsigned long) (x) - PAGE_OFFSET + PHYS_OFFSET) +#define __va(x) \ + ((void *)((unsigned long) (x) - PHYS_OFFSET + PAGE_OFFSET)) #define pfn_valid(pfn) \ ((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr) |