diff --git a/src/cpu/x86/smm/smihandler.c b/src/cpu/x86/smm/smihandler.c
index 0d9131e429..0b262afaa9 100644
--- a/src/cpu/x86/smm/smihandler.c
+++ b/src/cpu/x86/smm/smihandler.c
@@ -208,3 +208,4 @@ void __weak southbridge_smi_handler(void) {}
 void __weak mainboard_smi_gpi(u32 gpi_sts) {}
 int __weak mainboard_smi_apmc(u8 data) { return 0; }
 void __weak mainboard_smi_sleep(u8 slp_typ) {}
+void __weak mainboard_smi_finalize(void) {}
diff --git a/src/cpu/x86/smm/smm_module_handler.c b/src/cpu/x86/smm/smm_module_handler.c
index 0c0de78b21..f9ebba4e32 100644
--- a/src/cpu/x86/smm/smm_module_handler.c
+++ b/src/cpu/x86/smm/smm_module_handler.c
@@ -198,3 +198,4 @@ void __weak southbridge_smi_handler() {}
 void __weak mainboard_smi_gpi(u32 gpi_sts) {}
 int __weak mainboard_smi_apmc(u8 data) { return 0; }
 void __weak mainboard_smi_sleep(u8 slp_typ) {}
+void __weak mainboard_smi_finalize(void) {}
diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h
index 1b4de2571a..08404d0320 100644
--- a/src/include/cpu/x86/smm.h
+++ b/src/include/cpu/x86/smm.h
@@ -49,6 +49,7 @@ void southbridge_smi_handler(void);
 void mainboard_smi_gpi(u32 gpi_sts);
 int  mainboard_smi_apmc(u8 data);
 void mainboard_smi_sleep(u8 slp_typ);
+void mainboard_smi_finalize(void);
 
 /* This is the SMM handler. */
 extern unsigned char _binary_smm_start[];
diff --git a/src/soc/intel/common/block/smm/smihandler.c b/src/soc/intel/common/block/smm/smihandler.c
index ff87d71e4f..91142a51ce 100644
--- a/src/soc/intel/common/block/smm/smihandler.c
+++ b/src/soc/intel/common/block/smm/smihandler.c
@@ -320,6 +320,13 @@ static void finalize(void)
 		/* Re-init SPI driver to handle locked BAR */
 		fast_spi_init();
 
+	/*
+	 * HECI is disabled in smihandler_soc_at_finalize() which also locks down the side band
+	 * interface.  Some boards may require this interface in mainboard_smi_finalize(),
+	 * therefore, this call must precede smihandler_soc_at_finalize().
+	 */
+	mainboard_smi_finalize();
+
 	/* Specific SOC SMI handler during ramstage finalize phase */
 	smihandler_soc_at_finalize();
 }