diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cpu/intel/model_6fx/model_6fx_init.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/cpu/intel/model_6fx/model_6fx_init.c b/src/cpu/intel/model_6fx/model_6fx_init.c index 033dfe6639..106719ea7b 100644 --- a/src/cpu/intel/model_6fx/model_6fx_init.c +++ b/src/cpu/intel/model_6fx/model_6fx_init.c @@ -127,6 +127,8 @@ static void configure_c_states(void) } #define IA32_MISC_ENABLE 0x1a0 +#define IA32_PECI_CTL 0x5a0 + static void configure_misc(void) { msr_t msr; @@ -170,6 +172,12 @@ static void configure_misc(void) msr.lo |= vid_max; wrmsr(IA32_PERF_CTL, msr); + + /* Enable PECI */ + msr = rdmsr(IA32_PECI_CTL); + msr.lo |= 1; + wrmsr(IA32_PECI_CTL, msr); + } #define PIC_SENS_CFG 0x1aa |