diff options
Diffstat (limited to 'src/cpu/intel/model_206ax/model_206ax_init.c')
| -rw-r--r-- | src/cpu/intel/model_206ax/model_206ax_init.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/cpu/intel/model_206ax/model_206ax_init.c b/src/cpu/intel/model_206ax/model_206ax_init.c index 2571f8cb40..773940850d 100644 --- a/src/cpu/intel/model_206ax/model_206ax_init.c +++ b/src/cpu/intel/model_206ax/model_206ax_init.c @@ -256,6 +256,8 @@ static void configure_c_states(void) msr.lo |= (1 << 25); // C3 Auto Demotion Enable msr.lo &= ~(1 << 10); // Disable IO MWAIT redirection msr.lo |= 7; // No package C-state limit + + msr.lo |= (1 << 15); // Lock C-State MSR wrmsr(MSR_PKG_CST_CONFIG_CONTROL, msr); msr = rdmsr(MSR_PMG_IO_CAPTURE_ADDR); |