MIPS: Octeon: Probe for Octeon II CPUs.
David Daney [Thu, 7 Oct 2010 23:03:45 +0000 (16:03 -0700)]
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>

arch/mips/kernel/cpu-probe.c

index b1b304e..b9378cd 100644 (file)
@@ -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;