diff options
Diffstat (limited to 'src/cpu/intel')
| -rw-r--r-- | src/cpu/intel/model_206ax/model_206ax.h | 3 | ||||
| -rw-r--r-- | src/cpu/intel/model_206ax/model_206ax_init.c | 5 |
2 files changed, 6 insertions, 2 deletions
diff --git a/src/cpu/intel/model_206ax/model_206ax.h b/src/cpu/intel/model_206ax/model_206ax.h index d482ff0108..fbd57a5c19 100644 --- a/src/cpu/intel/model_206ax/model_206ax.h +++ b/src/cpu/intel/model_206ax/model_206ax.h @@ -75,7 +75,8 @@ #define MSR_PP0_CURRENT_CONFIG 0x601 #define PP0_CURRENT_LIMIT (112 << 3) /* 112 A */ #define MSR_PP1_CURRENT_CONFIG 0x602 -#define PP1_CURRENT_LIMIT (35 << 3) /* 35 A */ +#define PP1_CURRENT_LIMIT_SNB (35 << 3) /* 35 A */ +#define PP1_CURRENT_LIMIT_IVB (50 << 3) /* 50 A */ #define MSR_PKG_POWER_SKU_UNIT 0x606 #define MSR_PKG_POWER_SKU 0x614 #define MSR_PP0_POWER_LIMIT 0x638 diff --git a/src/cpu/intel/model_206ax/model_206ax_init.c b/src/cpu/intel/model_206ax/model_206ax_init.c index 0958fe366e..08757d138a 100644 --- a/src/cpu/intel/model_206ax/model_206ax_init.c +++ b/src/cpu/intel/model_206ax/model_206ax_init.c @@ -311,7 +311,10 @@ static void configure_c_states(void) /* Secondary Plane Current Limit */ msr = rdmsr(MSR_PP1_CURRENT_CONFIG); msr.lo &= ~0x1fff; - msr.lo |= PP1_CURRENT_LIMIT; + if (cpuid_eax(1) >= 0x30600) + msr.lo |= PP1_CURRENT_LIMIT_IVB; + else + msr.lo |= PP1_CURRENT_LIMIT_SNB; wrmsr(MSR_PP1_CURRENT_CONFIG, msr); } |