diff options
| -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; |