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MIPS: Fix decoding of c0_config1 for MIPSxx caches with 32 ways per set.

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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>
This commit is contained in:
Douglas Leung 2012-07-19 09:11:13 +02:00 committed by Ralf Baechle
parent c022630633
commit dc34b05fea
1 changed files with 2 additions and 2 deletions
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4
arch/mips/mm/c-r4k.c
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@ -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 *