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-rw-r--r--src/soc/intel/skylake/cpu.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/cpu.c b/src/soc/intel/skylake/cpu.c
index a5c60b81f2..368738057f 100644
--- a/src/soc/intel/skylake/cpu.c
+++ b/src/soc/intel/skylake/cpu.c
@@ -152,6 +152,10 @@ void set_power_limits(u8 power_limit_1_time)
/* Set long term power limit to TDP */
limit.lo = 0;
limit.lo |= tdp & PKG_POWER_LIMIT_MASK;
+
+ /* Set PL1 Pkg Power clamp bit */
+ limit.lo |= PKG_POWER_LIMIT_CLAMP;
+
limit.lo |= PKG_POWER_LIMIT_EN;
limit.lo |= (power_limit_1_val & PKG_POWER_LIMIT_TIME_MASK) <<
PKG_POWER_LIMIT_TIME_SHIFT;
@@ -159,6 +163,7 @@ void set_power_limits(u8 power_limit_1_time)
/* Set short term power limit to 1.25 * TDP */
limit.hi = 0;
limit.hi |= ((tdp * 125) / 100) & PKG_POWER_LIMIT_MASK;
+ limit.hi |= PKG_POWER_LIMIT_CLAMP;
limit.hi |= PKG_POWER_LIMIT_EN;
/* Power limit 2 time is only programmable on server SKU */