diff --git a/src/ec/intel/board_id.c b/src/ec/intel/board_id.c
index 2d50b4a614..15acad6617 100644
--- a/src/ec/intel/board_id.c
+++ b/src/ec/intel/board_id.c
@@ -2,9 +2,32 @@
 
 #include <boardid.h>
 #include "board_id.h"
+#include <ec/acpi/ec.h>
+#include <ec/google/chromeec/ec.h>
+#include <types.h>
 
-/* Get RVP Board ID */
+static uint32_t get_board_id_via_ext_ec(void)
+{
+	uint32_t id = BOARD_ID_INIT;
+
+	if (google_chromeec_get_board_version(&id))
+		id = BOARD_ID_UNKNOWN;
+
+	return id;
+}
+
+/* Get Board ID via EC I/O port write/read */
 int get_rvp_board_id(void)
 {
-	return BOARD_ID_INIT;
+	MAYBE_STATIC_NONZERO int id = BOARD_ID_UNKNOWN;
+
+	if (CONFIG(EC_GOOGLE_CHROMEEC)) { /* CHROME_EC */
+		id = get_board_id_via_ext_ec();
+	} else { /* WINDOWS_EC */
+		if (send_ec_command(EC_FAB_ID_CMD) == 0) {
+			id = recv_ec_data() << 8;
+			id |= recv_ec_data();
+		}
+	}
+	return (id & BOARD_ID_MASK);
 }
diff --git a/src/ec/intel/board_id.h b/src/ec/intel/board_id.h
index e4f24d172a..821bb30b65 100644
--- a/src/ec/intel/board_id.h
+++ b/src/ec/intel/board_id.h
@@ -3,7 +3,15 @@
 #ifndef _MAINBOARD_COMMON_BOARD_ID_H_
 #define _MAINBOARD_COMMON_BOARD_ID_H_
 
-/* Returns RVP board_id */
+/* Board/FAB ID Command */
+#define EC_FAB_ID_CMD	0x0d
+/* Bit 5:0 for Board ID */
+#define BOARD_ID_MASK	0x3f
+
+/*
+ * Returns board information (board id[15:8] and
+ * Fab info[7:0]) on success and < 0 on error
+ */
 int get_rvp_board_id(void);
 
 #endif /* _MAINBOARD_COMMON_BOARD_ID_H_ */
diff --git a/src/mainboard/intel/mtlrvp/Makefile.inc b/src/mainboard/intel/mtlrvp/Makefile.inc
index 71ca021fd0..3ec354afe3 100644
--- a/src/mainboard/intel/mtlrvp/Makefile.inc
+++ b/src/mainboard/intel/mtlrvp/Makefile.inc
@@ -6,4 +6,5 @@ BASEBOARD_DIR:=$(call strip_quotes,$(CONFIG_BASEBOARD_DIR))
 subdirs-y += variants/baseboard/$(BASEBOARD_DIR)
 subdirs-y += variants/$(VARIANT_DIR)
 
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/baseboard/include
 CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/baseboard/$(BASEBOARD_DIR)/include
diff --git a/src/mainboard/intel/mtlrvp/variants/baseboard/include/baseboard/variants.h b/src/mainboard/intel/mtlrvp/variants/baseboard/include/baseboard/variants.h
new file mode 100644
index 0000000000..9ce216c8b0
--- /dev/null
+++ b/src/mainboard/intel/mtlrvp/variants/baseboard/include/baseboard/variants.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __BASEBOARD_VARIANTS_H__
+#define __BASEBOARD_VARIANTS_H__
+
+#include <stdint.h>
+
+enum mtl_boardid {
+	MTLP_DDR5_RVP = 0x01,
+	MTLP_LP5_T3_RVP = 0x02,
+	MTLP_LP5_T4_RVP = 0x04,
+	MTLM_LP5_RVP = 0x06,
+};
+
+#endif /*__BASEBOARD_VARIANTS_H__ */