diff --git a/src/soc/intel/alderlake/fsp_params.c b/src/soc/intel/alderlake/fsp_params.c
index 7fe996e..783d2a9 100644
--- a/src/soc/intel/alderlake/fsp_params.c
+++ b/src/soc/intel/alderlake/fsp_params.c
@@ -517,6 +517,8 @@
 	s_cfg->Hwp = 1;
 	s_cfg->Cx = 1;
 	s_cfg->PsOnEnable = 1;
+	/* Enable the energy efficient turbo mode */
+	s_cfg->EnergyEfficientTurbo = 1;
 }
 
 static void fill_fsps_irq_params(FSP_S_CONFIG *s_cfg,