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| author | Ralf Baechle <ralf@linux-mips.org> | 2006-06-19 21:56:25 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2006-06-29 21:10:54 +0100 |
| commit | beab375a48f0cd90eb08f04e2c1dad67b9e6d3f8 (patch) | |
| tree | a95bf7f73a177a2590547a54759319fad758ecec /arch | |
| parent | 92c7b62fd1a6898fbfaf1db790ba4e70e90f39d2 (diff) | |
| download | kernel_samsung_smdk4412-beab375a48f0cd90eb08f04e2c1dad67b9e6d3f8.zip kernel_samsung_smdk4412-beab375a48f0cd90eb08f04e2c1dad67b9e6d3f8.tar.gz kernel_samsung_smdk4412-beab375a48f0cd90eb08f04e2c1dad67b9e6d3f8.tar.bz2 | |
[MIPS] Treat CPUs with AR bit as physically indexed.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/mm/c-r4k.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index a78355a..33b1451 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1009,10 +1009,15 @@ static void __init probe_pcache(void) break; case CPU_24K: case CPU_34K: - if (!(read_c0_config7() & (1 << 16))) + if ((read_c0_config7() & (1 << 16))) { + /* effectively physically indexed dcache, + thus no virtual aliases. */ + c->dcache.flags |= MIPS_CACHE_PINDEX; + break; + } default: - if (c->dcache.waysize > PAGE_SIZE) - c->dcache.flags |= MIPS_CACHE_ALIASES; + if (c->dcache.waysize > PAGE_SIZE) + c->dcache.flags |= MIPS_CACHE_ALIASES; } switch (c->cputype) { |