diff options
| author | David Daney <ddaney@caviumnetworks.com> | 2010-10-07 16:03:44 -0700 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2010-10-29 19:08:36 +0100 |
| commit | f8bf7e688c226ba83b35a1547146e296e14b33c7 (patch) | |
| tree | c46c98c7cb29e3c93d4b54c5e8e991e19485b79d /arch/mips/mm/c-octeon.c | |
| parent | 1584d7f2d58999c00066a4afc4ad95e07b2a04e8 (diff) | |
| download | op-kernel-dev-f8bf7e688c226ba83b35a1547146e296e14b33c7.zip op-kernel-dev-f8bf7e688c226ba83b35a1547146e296e14b33c7.tar.gz | |
MIPS: Octeon: Handle Octeon II caches.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Patchwork: http://patchwork.linux-mips.org/patch/1664/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm/c-octeon.c')
| -rw-r--r-- | arch/mips/mm/c-octeon.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c index 0f9c488..16c4d25 100644 --- a/arch/mips/mm/c-octeon.c +++ b/arch/mips/mm/c-octeon.c @@ -181,10 +181,10 @@ static void __cpuinit probe_octeon(void) unsigned int config1; struct cpuinfo_mips *c = ¤t_cpu_data; + config1 = read_c0_config1(); switch (c->cputype) { case CPU_CAVIUM_OCTEON: case CPU_CAVIUM_OCTEON_PLUS: - config1 = read_c0_config1(); c->icache.linesz = 2 << ((config1 >> 19) & 7); c->icache.sets = 64 << ((config1 >> 22) & 7); c->icache.ways = 1 + ((config1 >> 16) & 7); @@ -204,6 +204,20 @@ static void __cpuinit probe_octeon(void) c->options |= MIPS_CPU_PREFETCH; break; + case CPU_CAVIUM_OCTEON2: + c->icache.linesz = 2 << ((config1 >> 19) & 7); + c->icache.sets = 8; + c->icache.ways = 37; + c->icache.flags |= MIPS_CACHE_VTAG; + icache_size = c->icache.sets * c->icache.ways * c->icache.linesz; + + c->dcache.linesz = 128; + c->dcache.ways = 32; + c->dcache.sets = 8; + dcache_size = c->dcache.sets * c->dcache.ways * c->dcache.linesz; + c->options |= MIPS_CPU_PREFETCH; + break; + default: panic("Unsupported Cavium Networks CPU type\n"); break; |
