2 files changed, 17 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/include/intelblocks/power_limit.h b/src/soc/intel/common/block/include/intelblocks/power_limit.h
index 2fa25de5be..934eaa4be7 100644
--- a/src/soc/intel/common/block/include/intelblocks/power_limit.h
+++ b/src/soc/intel/common/block/include/intelblocks/power_limit.h
@@ -38,4 +38,6 @@ struct soc_power_limits_config {
 void set_power_limits(u8 power_limit_1_time,
 		struct soc_power_limits_config *config);
 
+u8 get_cpu_tdp(void);
+
 #endif /* _SOC_INTEL_COMMON_BLOCK_POWER_LIMIT_H_ */
diff --git a/src/soc/intel/common/block/power_limit/power_limit.c b/src/soc/intel/common/block/power_limit/power_limit.c
index e6c65c3a82..417dd04672 100644
--- a/src/soc/intel/common/block/power_limit/power_limit.c
+++ b/src/soc/intel/common/block/power_limit/power_limit.c
@@ -195,3 +195,18 @@ void set_power_limits(u8 power_limit_1_time,
 		wrmsr(MSR_TURBO_ACTIVATION_RATIO, limit);
 	}
 }
+
+u8 get_cpu_tdp(void)
+{
+	unsigned int power_unit, cpu_tdp;
+
+	/* Get units */
+	msr_t msr = rdmsr(MSR_PKG_POWER_SKU_UNIT);
+	power_unit = 1 << (msr.lo & 0xf);
+
+	/* Get power defaults for this SKU */
+	msr = rdmsr(MSR_PKG_POWER_SKU);
+	cpu_tdp = msr.lo & 0x7fff;
+
+	return cpu_tdp / power_unit;
+}