diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2006-06-19 22:56:25 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2006-06-29 22:10:54 +0200 |
| commit | beab375a48f0cd90eb08f04e2c1dad67b9e6d3f8 (patch) | |
| tree | a95bf7f73a177a2590547a54759319fad758ecec /arch | |
| parent | [MIPS] Oprofile: Support VSMP on 34K. (diff) | |
| download | linux-beab375a48f0cd90eb08f04e2c1dad67b9e6d3f8.tar.xz linux-beab375a48f0cd90eb08f04e2c1dad67b9e6d3f8.zip | |
[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 a78355a44c41..33b1451a365d 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) { |