diff options
| author | David Daney <ddaney@caviumnetworks.com> | 2010-02-10 15:12:45 -0800 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2010-02-27 12:53:25 +0100 |
| commit | 9fe2e9d6f5390d7151a0b9d8c100f0da26eaa2b7 (patch) | |
| tree | 1585654ec66e83e2d56c833404ac4bc7fa3ded42 /arch | |
| parent | 9b8c38917b8e083a6343bb5a0c6bbaea78ebff7a (diff) | |
MIPS: Add accessor functions and bit definitions for c0_PageGrain
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/950/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/include/asm/mipsregs.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index edda1daf742..49382d5e891 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -251,6 +251,14 @@ #define PL_256M 28 /* + * PageGrain bits + */ +#define PG_RIE (_ULCAST_(1) << 31) +#define PG_XIE (_ULCAST_(1) << 30) +#define PG_ELPA (_ULCAST_(1) << 29) +#define PG_ESP (_ULCAST_(1) << 28) + +/* * R4x00 interrupt enable / cause bits */ #define IE_SW0 (_ULCAST_(1) << 8) @@ -830,6 +838,9 @@ do { \ #define read_c0_pagemask() __read_32bit_c0_register($5, 0) #define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val) +#define read_c0_pagegrain() __read_32bit_c0_register($5, 1) +#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val) + #define read_c0_wired() __read_32bit_c0_register($6, 0) #define write_c0_wired(val) __write_32bit_c0_register($6, 0, val) |