OSDN Git Service

MIPS: OCTEON: Set L1 cache parameters for OCTEON3 CPUs.
authorDavid Daney <david.daney@cavium.com>
Mon, 29 Jul 2013 22:07:04 +0000 (15:07 -0700)
committerRalf Baechle <ralf@linux-mips.org>
Mon, 26 Aug 2013 13:31:53 +0000 (15:31 +0200)
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5638/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/mm/c-octeon.c

index a0bcdbb..729e770 100644 (file)
@@ -224,6 +224,20 @@ static void probe_octeon(void)
                c->options |= MIPS_CPU_PREFETCH;
                break;
 
+       case CPU_CAVIUM_OCTEON3:
+               c->icache.linesz = 128;
+               c->icache.sets = 16;
+               c->icache.ways = 39;
+               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");
                break;