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authormerge <null@invalid>2009-01-22 13:55:32 +0000
committerAndy Green <agreen@octopus.localdomain>2009-01-22 13:55:32 +0000
commitaa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch)
treefbb786d0ac6f8a774fd834e9ce951197e60fbffa /arch/mips/kernel/cpu-probe.c
parentf2d78193eae5dccd3d588d2c8ea0866efc368332 (diff)
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage: From: merge <null@invalid> MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage: From: merge <null@invalid> MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage: From: Andy Green <andy@openmoko.com> fix-stray-endmenu.patch Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
-rw-r--r--arch/mips/kernel/cpu-probe.c31
1 files changed, 29 insertions, 2 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index c9207b5fd92..a7162a4484c 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -96,6 +96,9 @@ int allow_au1k_wait;
static void au1k_wait(void)
{
+ if (!allow_au1k_wait)
+ return;
+
/* using the wait instruction makes CP0 counter unusable */
__asm__(" .set mips3 \n"
" cache 0x14, 0(%0) \n"
@@ -154,6 +157,7 @@ void __init check_wait(void)
case CPU_25KF:
case CPU_PR4450:
case CPU_BCM3302:
+ case CPU_CAVIUM_OCTEON:
cpu_wait = r4k_wait;
break;
@@ -185,8 +189,7 @@ void __init check_wait(void)
case CPU_AU1200:
case CPU_AU1210:
case CPU_AU1250:
- if (allow_au1k_wait)
- cpu_wait = au1k_wait;
+ cpu_wait = au1k_wait;
break;
case CPU_20KC:
/*
@@ -875,6 +878,27 @@ static inline void cpu_probe_broadcom(struct cpuinfo_mips *c, unsigned int cpu)
}
}
+static inline void cpu_probe_cavium(struct cpuinfo_mips *c, unsigned int cpu)
+{
+ decode_configs(c);
+ switch (c->processor_id & 0xff00) {
+ case PRID_IMP_CAVIUM_CN38XX:
+ case PRID_IMP_CAVIUM_CN31XX:
+ case PRID_IMP_CAVIUM_CN30XX:
+ case PRID_IMP_CAVIUM_CN58XX:
+ case PRID_IMP_CAVIUM_CN56XX:
+ case PRID_IMP_CAVIUM_CN50XX:
+ case PRID_IMP_CAVIUM_CN52XX:
+ c->cputype = CPU_CAVIUM_OCTEON;
+ __cpu_name[cpu] = "Cavium Octeon";
+ break;
+ default:
+ printk(KERN_INFO "Unknown Octeon chip!\n");
+ c->cputype = CPU_UNKNOWN;
+ break;
+ }
+}
+
const char *__cpu_name[NR_CPUS];
__cpuinit void cpu_probe(void)
@@ -909,6 +933,9 @@ __cpuinit void cpu_probe(void)
case PRID_COMP_NXP:
cpu_probe_nxp(c, cpu);
break;
+ case PRID_COMP_CAVIUM:
+ cpu_probe_cavium(c, cpu);
+ break;
}
BUG_ON(!__cpu_name[cpu]);