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| author | Douglas Leung <douglas@mips.com> | 2012-07-19 09:11:13 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-07-19 11:23:43 +0200 |
| commit | dc34b05fea0cc9a869863b929f37f1e8ce30edf4 (patch) | |
| tree | ad064e7dcf5235d8c51060ed0c8db167c5490bd3 /arch/mips/mm | |
| parent | c022630633624a75b3b58f43dd3c6cc896a56cff (diff) | |
| download | lwn-dc34b05fea0cc9a869863b929f37f1e8ce30edf4.tar.gz lwn-dc34b05fea0cc9a869863b929f37f1e8ce30edf4.zip | |
MIPS: Fix decoding of c0_config1 for MIPSxx caches with 32 ways per set.
This affects certain 4Kc cores.
Signed-off-by: Douglas Leung <douglas@mips.com>
Signed-off-by: Steven J. Hill <sjhill@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3855/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm')
| -rw-r--r-- | arch/mips/mm/c-r4k.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index e56efd059189..f092c265dc63 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -977,7 +977,7 @@ static void __cpuinit probe_pcache(void) c->icache.linesz = 2 << lsize; else c->icache.linesz = lsize; - c->icache.sets = 64 << ((config1 >> 22) & 7); + c->icache.sets = 32 << (((config1 >> 22) + 1) & 7); c->icache.ways = 1 + ((config1 >> 16) & 7); icache_size = c->icache.sets * @@ -997,7 +997,7 @@ static void __cpuinit probe_pcache(void) c->dcache.linesz = 2 << lsize; else c->dcache.linesz= lsize; - c->dcache.sets = 64 << ((config1 >> 13) & 7); + c->dcache.sets = 32 << (((config1 >> 13) + 1) & 7); c->dcache.ways = 1 + ((config1 >> 7) & 7); dcache_size = c->dcache.sets * |