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[MIPS] Allow setting of the cache attribute at run time.

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Slightly tacky, but there is a precedent in the sparc archirecture code.

Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Chris Dearman
2007-09-19 00:58:24 +01:00
committed by Ralf Baechle
parent bec5052743
commit 351336929c
11 changed files with 74 additions and 60 deletions
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12
include/asm-mips/pgtable-bits.h
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@@ -134,18 +134,6 @@
#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED | _CACHE_MASK)
#ifdef CONFIG_MIPS_UNCACHED
#define PAGE_CACHABLE_DEFAULT _CACHE_UNCACHED
#elif defined(CONFIG_DMA_NONCOHERENT)
#define PAGE_CACHABLE_DEFAULT _CACHE_CACHABLE_NONCOHERENT
#elif defined(CONFIG_CPU_RM9000)
#define PAGE_CACHABLE_DEFAULT _CACHE_CWB
#elif defined(CONFIG_SOC_AU1X00)
#define PAGE_CACHABLE_DEFAULT _CACHE_CACHABLE_NONCOHERENT
#else
#define PAGE_CACHABLE_DEFAULT _CACHE_CACHABLE_COW
#endif
#define CONF_CM_DEFAULT (PAGE_CACHABLE_DEFAULT>>_CACHE_SHIFT)
#endif /* _ASM_PGTABLE_BITS_H */