diff options
Diffstat (limited to 'src/cpu/amd/model_10xxx/init_cpus.c')
| -rw-r--r-- | src/cpu/amd/model_10xxx/init_cpus.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/cpu/amd/model_10xxx/init_cpus.c b/src/cpu/amd/model_10xxx/init_cpus.c index 16b5a3d928..2de1ad6bdb 100644 --- a/src/cpu/amd/model_10xxx/init_cpus.c +++ b/src/cpu/amd/model_10xxx/init_cpus.c @@ -295,6 +295,13 @@ static void enable_apic_ext_id(u32 node) static void STOP_CAR_AND_CPU() { + msr_t msr; + + /* Disable L2 IC to L3 connection (Only for CAR) */ + msr = rdmsr(BU_CFG2); + msr.lo &= ~(1 << ClLinesToNbDis); + wrmsr(BU_CFG2, msr); + disable_cache_as_ram(); // inline stop_this_cpu(); } |