diff options
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/intel/model_206ax/finalize.c | 3 | ||||
| -rw-r--r-- | src/cpu/intel/model_206ax/model_206ax_init.c | 2 |
2 files changed, 2 insertions, 3 deletions
diff --git a/src/cpu/intel/model_206ax/finalize.c b/src/cpu/intel/model_206ax/finalize.c index d51fb21847..a7754ae969 100644 --- a/src/cpu/intel/model_206ax/finalize.c +++ b/src/cpu/intel/model_206ax/finalize.c @@ -25,9 +25,6 @@ void intel_model_206ax_finalize_smm(void) { - /* Lock C-State MSR */ - msr_set_bit(MSR_PKG_CST_CONFIG_CONTROL, 15); - /* Lock AES-NI only if supported */ if (cpuid_ecx(1) & (1 << 25)) msr_set_bit(MSR_FEATURE_CONFIG, 0); 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); |