diff --git a/src/mainboard/google/hatch/smihandler.c b/src/mainboard/google/hatch/smihandler.c
index f8f43eb8fb..68ef155423 100644
--- a/src/mainboard/google/hatch/smihandler.c
+++ b/src/mainboard/google/hatch/smihandler.c
@@ -12,3 +12,26 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  */
+
+#include <cpu/x86/smm.h>
+#include <ec/google/chromeec/smm.h>
+#include <soc/smm.h>
+#include <variant/ec.h>
+
+void mainboard_smi_espi_handler(void)
+{
+	chromeec_smi_process_events();
+}
+
+void mainboard_smi_sleep(u8 slp_typ)
+{
+	chromeec_smi_sleep(slp_typ, MAINBOARD_EC_S3_WAKE_EVENTS,
+			MAINBOARD_EC_S5_WAKE_EVENTS);
+}
+
+int mainboard_smi_apmc(u8 apmc)
+{
+	chromeec_smi_apmc(apmc, MAINBOARD_EC_SCI_EVENTS,
+			MAINBOARD_EC_SMI_EVENTS);
+	return 0;
+}