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MIPS: Add accessor functions and bit definitions for c0_PageGrain

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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>
This commit is contained in:
David Daney 2010-02-10 15:12:45 -08:00 committed by Ralf Baechle
parent 9b8c38917b
commit 9fe2e9d6f5
1 changed files with 11 additions and 0 deletions
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11
arch/mips/include/asm/mipsregs.h
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@ -250,6 +250,14 @@
#define PL_64M 26
#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
*/
@ -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)