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| author | Ralf Baechle <ralf@linux-mips.org> | 2007-07-10 17:32:56 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-07-10 17:32:56 +0100 |
| commit | 8bb809df6919f927bcb910bbc852d5724eaa1eb9 (patch) | |
| tree | 5861d9b96d7b036a0b9cfe3445deaabd15dad3a2 /include/asm-mips/addrspace.h | |
| parent | b3f6df9f21c6efc4641613188204aa0742bc9e22 (diff) | |
| download | blackbird-obmc-linux-8bb809df6919f927bcb910bbc852d5724eaa1eb9.tar.gz blackbird-obmc-linux-8bb809df6919f927bcb910bbc852d5724eaa1eb9.zip | |
[MIPS] Cleanup TO_PHYS_MASK definition
No point in adding yet another #ifdef for Loongson since all this mask is
being used for is converting an XKPHYS address into a physical address
anyway. So replace all definitions by one with the highest architectural
possible value.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/addrspace.h')
| -rw-r--r-- | include/asm-mips/addrspace.h | 29 |
1 files changed, 6 insertions, 23 deletions
diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h index 964c5eddc21b..0b3ff9c48409 100644 --- a/include/asm-mips/addrspace.h +++ b/include/asm-mips/addrspace.h @@ -129,29 +129,12 @@ #define PHYS_TO_XKPHYS(cm,a) (_CONST64_(0x8000000000000000) | \ ((cm)<<59) | (a)) -#if defined (CONFIG_CPU_R4300) \ - || defined (CONFIG_CPU_R4X00) \ - || defined (CONFIG_CPU_R5000) \ - || defined (CONFIG_CPU_RM7000) \ - || defined (CONFIG_CPU_RM9000) \ - || defined (CONFIG_CPU_NEVADA) \ - || defined (CONFIG_CPU_TX49XX) \ - || defined (CONFIG_CPU_MIPS64) -#define TO_PHYS_MASK _CONST64_(0x0000000fffffffff) /* 2^^36 - 1 */ -#endif - -#if defined (CONFIG_CPU_R8000) -/* We keep KUSIZE consistent with R4000 for now (2^^40) instead of (2^^48) */ -#define TO_PHYS_MASK _CONST64_(0x000000ffffffffff) /* 2^^40 - 1 */ -#endif - -#if defined (CONFIG_CPU_R10000) -#define TO_PHYS_MASK _CONST64_(0x000000ffffffffff) /* 2^^40 - 1 */ -#endif - -#if defined(CONFIG_CPU_SB1) || defined(CONFIG_CPU_SB1A) -#define TO_PHYS_MASK _CONST64_(0x00000fffffffffff) /* 2^^44 - 1 */ -#endif +/* + * The ultimate limited of the 64-bit MIPS architecture: 2 bits for selecting + * the region, 3 bits for the CCA mode. This leaves 59 bits of which the + * R8000 implements most with its 48-bit physical address space. + */ +#define TO_PHYS_MASK _CONST64_(0x07ffffffffffffff) /* 2^^59 - 1 */ #ifndef CONFIG_CPU_R8000 |
