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path: root/src/cpu/amd/model_10xxx/init_cpus.c
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Diffstat (limited to 'src/cpu/amd/model_10xxx/init_cpus.c')
-rw-r--r--src/cpu/amd/model_10xxx/init_cpus.c7
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();
}