1 files changed, 29 insertions, 0 deletions
diff --git a/src/mainboard/facebook/monolith/com_init.c b/src/mainboard/facebook/monolith/com_init.c
new file mode 100644
index 000000000000..f19aba311c7d
--- /dev/null
+++ b/src/mainboard/facebook/monolith/com_init.c
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2015 Intel Corp.
+ * Copyright (C) 2018-2019 Eltan B.V.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <bootblock_common.h>
+#include <device/pnp_ops.h>
+#include "onboard.h"
+
+#define SERIAL_DEV PNP_DEV(ITE8528_CMD_PORT, 1) /* ITE8528 UART1 */
+
+void bootblock_mainboard_early_init(void)
+{
+	/* Enable the serial port inside the EC */
+	pnp_set_logical_device(SERIAL_DEV);
+	pnp_set_enable(SERIAL_DEV, 1);
+}