diff options
Diffstat (limited to 'include/asm-mips/mach-generic/spaces.h')
| -rw-r--r-- | include/asm-mips/mach-generic/spaces.h | 64 |
1 files changed, 39 insertions, 25 deletions
diff --git a/include/asm-mips/mach-generic/spaces.h b/include/asm-mips/mach-generic/spaces.h index 0ae9997bc9a8..c9fa4b14968d 100644 --- a/include/asm-mips/mach-generic/spaces.h +++ b/include/asm-mips/mach-generic/spaces.h @@ -10,38 +10,54 @@ #ifndef _ASM_MACH_GENERIC_SPACES_H #define _ASM_MACH_GENERIC_SPACES_H +#include <linux/const.h> + +/* + * This gives the physical RAM offset. + */ +#ifndef PHYS_OFFSET +#define PHYS_OFFSET _AC(0, UL) +#endif #ifdef CONFIG_32BIT -#define CAC_BASE 0x80000000 -#define IO_BASE 0xa0000000 -#define UNCAC_BASE 0xa0000000 -#define MAP_BASE 0xc0000000 +#define CAC_BASE _AC(0x80000000, UL) +#define IO_BASE _AC(0xa0000000, UL) +#define UNCAC_BASE _AC(0xa0000000, UL) -/* - * This handles the memory map. - * We handle pages at KSEG0 for kernels with 32 bit address space. - */ -#define PAGE_OFFSET 0x80000000UL +#ifndef MAP_BASE +#define MAP_BASE _AC(0xc0000000, UL) +#endif /* * Memory above this physical address will be considered highmem. */ #ifndef HIGHMEM_START -#define HIGHMEM_START 0x20000000UL +#define HIGHMEM_START _AC(0x20000000, UL) #endif #endif /* CONFIG_32BIT */ #ifdef CONFIG_64BIT -/* - * This handles the memory map. - */ +#ifndef CAC_BASE #ifdef CONFIG_DMA_NONCOHERENT -#define PAGE_OFFSET 0x9800000000000000UL +#define CAC_BASE _AC(0x9800000000000000, UL) #else -#define PAGE_OFFSET 0xa800000000000000UL +#define CAC_BASE _AC(0xa800000000000000, UL) +#endif +#endif + +#ifndef IO_BASE +#define IO_BASE _AC(0x9000000000000000, UL) +#endif + +#ifndef UNCAC_BASE +#define UNCAC_BASE _AC(0x9000000000000000, UL) +#endif + +#ifndef MAP_BASE +#define MAP_BASE _AC(0xc000000000000000, UL) #endif /* @@ -50,22 +66,20 @@ * in the distant future. Nobody will care for a few years :-) */ #ifndef HIGHMEM_START -#define HIGHMEM_START (1UL << 59UL) +#define HIGHMEM_START (_AC(1, UL) << _AC(59, UL)) #endif -#ifdef CONFIG_DMA_NONCOHERENT -#define CAC_BASE 0x9800000000000000UL -#else -#define CAC_BASE 0xa800000000000000UL -#endif -#define IO_BASE 0x9000000000000000UL -#define UNCAC_BASE 0x9000000000000000UL -#define MAP_BASE 0xc000000000000000UL - #define TO_PHYS(x) ( ((x) & TO_PHYS_MASK)) #define TO_CAC(x) (CAC_BASE | ((x) & TO_PHYS_MASK)) #define TO_UNCAC(x) (UNCAC_BASE | ((x) & TO_PHYS_MASK)) #endif /* CONFIG_64BIT */ +/* + * This handles the memory map. + */ +#ifndef PAGE_OFFSET +#define PAGE_OFFSET (CAC_BASE + PHYS_OFFSET) +#endif + #endif /* __ASM_MACH_GENERIC_SPACES_H */ |