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-rw-r--r--src/soc/intel/apollolake/Kconfig8
-rw-r--r--src/soc/intel/apollolake/chip.c5
2 files changed, 13 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/Kconfig b/src/soc/intel/apollolake/Kconfig
index a9774dc191..2d8838a497 100644
--- a/src/soc/intel/apollolake/Kconfig
+++ b/src/soc/intel/apollolake/Kconfig
@@ -342,4 +342,12 @@ config CPU_BCLK_MHZ
int
default 100
+config APL_SKIP_SET_POWER_LIMITS
+ bool
+ default n
+ help
+ Some Apollo Lake mainboards do not need the Running Average Power
+ Limits (RAPL) algorithm for a constant power management.
+ Set this config option to skip the RAPL configuration.
+
endif
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c
index f72173da8c..ec4662c7a8 100644
--- a/src/soc/intel/apollolake/chip.c
+++ b/src/soc/intel/apollolake/chip.c
@@ -223,6 +223,11 @@ static void set_power_limits(void)
uint32_t tdp, min_power, max_power;
uint32_t pl2_val;
+ if (IS_ENABLED(CONFIG_APL_SKIP_SET_POWER_LIMITS)) {
+ printk(BIOS_INFO, "Skip the RAPL settings.\n");
+ return;
+ }
+
if (!dev || !dev->chip_info) {
printk(BIOS_ERR, "BUG! Could not find SOC devicetree config\n");
return;