diff options
Diffstat (limited to 'arch/sh/include/asm/page.h')
| -rw-r--r-- | arch/sh/include/asm/page.h | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h index 81bffc0d6860..fb703d120d09 100644 --- a/arch/sh/include/asm/page.h +++ b/arch/sh/include/asm/page.h @@ -45,10 +45,11 @@ #endif #ifndef __ASSEMBLY__ +#include <asm/uncached.h> extern unsigned long shm_align_mask; extern unsigned long max_low_pfn, min_low_pfn; -extern unsigned long memory_start, memory_end; +extern unsigned long memory_start, memory_end, memory_limit; static inline unsigned long pages_do_alias(unsigned long addr1, unsigned long addr2) @@ -56,7 +57,6 @@ pages_do_alias(unsigned long addr1, unsigned long addr2) return (addr1 ^ addr2) & shm_align_mask; } - #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) extern void copy_page(void *to, void *from); @@ -88,7 +88,7 @@ typedef struct { unsigned long pgd; } pgd_t; #define __pte(x) ((pte_t) { (x) } ) #else typedef struct { unsigned long long pte_low; } pte_t; -typedef struct { unsigned long pgprot; } pgprot_t; +typedef struct { unsigned long long pgprot; } pgprot_t; typedef struct { unsigned long pgd; } pgd_t; #define pte_val(x) ((x).pte_low) #define __pte(x) ((pte_t) { (x) } ) @@ -127,17 +127,25 @@ typedef struct page *pgtable_t; * is not visible (it is part of the PMB mapping) and so needs to be * added or subtracted as required. */ -#if defined(CONFIG_PMB_FIXED) -/* phys = virt - PAGE_OFFSET - (__MEMORY_START & 0xe0000000) */ -#define PMB_OFFSET (PAGE_OFFSET - PXSEG(__MEMORY_START)) -#define __pa(x) ((unsigned long)(x) - PMB_OFFSET) -#define __va(x) ((void *)((unsigned long)(x) + PMB_OFFSET)) -#elif defined(CONFIG_32BIT) -#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET+__MEMORY_START) -#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET-__MEMORY_START)) +#ifdef CONFIG_PMB +#define ___pa(x) ((x)-PAGE_OFFSET+__MEMORY_START) +#define ___va(x) ((x)+PAGE_OFFSET-__MEMORY_START) +#else +#define ___pa(x) ((x)-PAGE_OFFSET) +#define ___va(x) ((x)+PAGE_OFFSET) +#endif + +#ifndef __ASSEMBLY__ +#define __pa(x) ___pa((unsigned long)x) +#define __va(x) (void *)___va((unsigned long)x) +#endif /* !__ASSEMBLY__ */ + +#ifdef CONFIG_UNCACHED_MAPPING +#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + uncached_start) +#define CAC_ADDR(addr) ((addr) - uncached_start + PAGE_OFFSET) #else -#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET) -#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) +#define UNCAC_ADDR(addr) ((addr)) +#define CAC_ADDR(addr) ((addr)) #endif #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) |