mainboard/facebook/fbg1701: Do initial mainboard commit

Initial support for Facebook FBG-1701 system.
coreboot implementation based on Intel Strago mainboard.

Configure 'Onboard memory manufacturer' which must match HW.

BUG=N/A
TEST=booting SeaBIOS and Linux 4.15+ kernel on Facebook FBG-1701

Change-Id: I28ac78a630ee705b1e546031f024bfe7f952ab39
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/30414
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/src/mainboard/facebook/fbg1701/com_init.c b/src/mainboard/facebook/fbg1701/com_init.c
new file mode 100644
index 0000000000..f19aba311c
--- /dev/null
+++ b/src/mainboard/facebook/fbg1701/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);
+}