diff --git a/src/soc/intel/skylake/Makefile.inc b/src/soc/intel/skylake/Makefile.inc
index 9a8372b8f1..bc53922670 100644
--- a/src/soc/intel/skylake/Makefile.inc
+++ b/src/soc/intel/skylake/Makefile.inc
@@ -72,6 +72,7 @@ ramstage-y += uart.c
 ramstage-$(CONFIG_UART_DEBUG) += uart_debug.c
 ramstage-y += vr_config.c
 
+smm-y += elog.c
 smm-y += gpio.c
 smm-y += pch.c
 smm-y += pmutil.c
diff --git a/src/soc/intel/skylake/elog.c b/src/soc/intel/skylake/elog.c
index c015a7849a..8240457856 100644
--- a/src/soc/intel/skylake/elog.c
+++ b/src/soc/intel/skylake/elog.c
@@ -20,6 +20,7 @@
 #include <device/pci_ops.h>
 #include <stdint.h>
 #include <elog.h>
+#include <intelblocks/pmclib.h>
 #include <soc/pci_devs.h>
 #include <soc/pm.h>
 #include <soc/smbus.h>
@@ -382,3 +383,10 @@ static void pch_log_state(void *unused)
 }
 
 BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_EXIT, pch_log_state, NULL);
+
+void elog_gsmi_cb_platform_log_wake_source(void)
+{
+	struct chipset_power_state ps;
+	pmc_fill_pm_reg_info(&ps);
+	pch_log_wake_source(&ps);
+}