MIPS: Octeon: Probe for Octeon II CPUs.

The OCTEON II ISA extends the original OCTEON ISA, so give it its own
__elf_platform string so optimized libraries can be selected in
userspace.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Patchwork: http://patchwork.linux-mips.org/patch/1665/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index b1b304ea2128..b9378cd0ce0d 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -187,6 +187,7 @@ void __init check_wait(void)
         case CPU_BCM6358:
         case CPU_CAVIUM_OCTEON:
         case CPU_CAVIUM_OCTEON_PLUS:
+        case CPU_CAVIUM_OCTEON2:
         case CPU_JZRISC:
                 cpu_wait = r4k_wait;
                 break;
@@ -953,6 +954,12 @@ platform:
                 if (cpu == 0)
                         __elf_platform = "octeon";
                 break;
+        case PRID_IMP_CAVIUM_CN63XX:
+                c->cputype = CPU_CAVIUM_OCTEON2;
+                __cpu_name[cpu] = "Cavium Octeon II";
+                if (cpu == 0)
+                        __elf_platform = "octeon2";
+                break;
         default:
                 printk(KERN_INFO "Unknown Octeon chip!\n");
                 c->cputype = CPU_UNKNOWN;