diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h
index d01dc73dea..c4de08f75c 100644
--- a/src/soc/intel/alderlake/chip.h
+++ b/src/soc/intel/alderlake/chip.h
@@ -614,6 +614,13 @@ struct soc_intel_alderlake_config {
 	 * Workaround for Intel TA# 723158 to prevent possible display flicker.
 	 */
 	bool usb2_phy_sus_pg_disable;
+
+	/*
+	 * Enable or Disable Package C-state Demotion.
+	 * Default is set to 0.
+	 * Set this to 1 in order to disable Package C-state demotion.
+	 */
+	bool disable_package_c_state_demotion;
 };
 
 typedef struct soc_intel_alderlake_config config_t;
diff --git a/src/soc/intel/alderlake/fsp_params.c b/src/soc/intel/alderlake/fsp_params.c
index 17d0c763fd..cbc7471115 100644
--- a/src/soc/intel/alderlake/fsp_params.c
+++ b/src/soc/intel/alderlake/fsp_params.c
@@ -965,6 +965,8 @@ static void fill_fsps_misc_power_params(FSP_S_CONFIG *s_cfg,
 	s_cfg->C1StateAutoDemotion = !config->disable_c1_state_auto_demotion;
 
 	s_cfg->VrPowerDeliveryDesign = config->vr_power_delivery_design;
+
+	s_cfg->PkgCStateDemotion = !config->disable_package_c_state_demotion;
 }
 
 static void fill_fsps_irq_params(FSP_S_CONFIG *s_cfg,