3 files changed, 3 insertions, 12 deletions
diff --git a/src/soc/intel/elkhartlake/Kconfig b/src/soc/intel/elkhartlake/Kconfig
index 6d44cd649c..07af2faf66 100644
--- a/src/soc/intel/elkhartlake/Kconfig
+++ b/src/soc/intel/elkhartlake/Kconfig
@@ -31,6 +31,7 @@ config CPU_SPECIFIC_OPTIONS
 	select PARALLEL_MP_AP_WORK
 	select MICROCODE_BLOB_UNDISCLOSED
 	select PLATFORM_USES_FSP2_1
+	select PM_ACPI_TIMER_OPTIONAL
 	select PMC_GLOBAL_RESET_ENABLE_LOCK
 	select PMC_LOW_POWER_MODE_PROGRAM
 	select SOC_INTEL_COMMON
diff --git a/src/soc/intel/elkhartlake/chip.h b/src/soc/intel/elkhartlake/chip.h
index b36d67a55f..e18e52db94 100644
--- a/src/soc/intel/elkhartlake/chip.h
+++ b/src/soc/intel/elkhartlake/chip.h
@@ -236,8 +236,6 @@ struct soc_intel_elkhartlake_config {
 	/* Enable C6 DRAM */
 	uint8_t enable_c6dram;
 
-	uint8_t PmTimerDisabled;
-
 	/*
 	 * SerialIO device mode selection:
 	 * PchSerialIoDisabled,
diff --git a/src/soc/intel/elkhartlake/finalize.c b/src/soc/intel/elkhartlake/finalize.c
index 3d1430fbe3..ad3b4ef867 100644
--- a/src/soc/intel/elkhartlake/finalize.c
+++ b/src/soc/intel/elkhartlake/finalize.c
@@ -24,26 +24,18 @@
 
 static void pch_finalize(void)
 {
-	config_t *config;
-
 	/* TCO Lock down */
 	tco_lockdown();
 
 	/* TODO: Add Thermal Configuration */
 
 	/*
-	 * Disable ACPI PM timer based on dt policy
+	 * Disable ACPI PM timer based on Kconfig
 	 *
 	 * Disabling ACPI PM timer is necessary for XTAL OSC shutdown.
 	 * Disabling ACPI PM timer also switches off TCO
-	 *
-	 * SA_DEV_ROOT device is used here instead of PCH_DEV_PMC since it is
-	 * just required to get to chip config. PCH_DEV_PMC is hidden by this
-	 * point and hence removed from the root bus. pcidev_path_on_root thus
-	 * returns NULL for PCH_DEV_PMC device.
 	 */
-	config = config_of_soc();
-	if (config->PmTimerDisabled)
+	if (!CONFIG(USE_PM_ACPI_TIMER))
 		pmc_disable_acpi_timer();
 
 	pmc_clear_pmcon_sts();