mainboard/google: add reef reference board

This adds the initial scaffolding for the reef reference board.
One big thing missing is the GPIO configuration.

Change-Id: I8e2d275df296bb397bb33dbd0c66fc87c82ff10f
Signed-off-by: Aaron Durbni <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/14798
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@google.com>
Reviewed-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/src/mainboard/google/reef/gpio.h b/src/mainboard/google/reef/gpio.h
new file mode 100644
index 0000000000..fb1724256d
--- /dev/null
+++ b/src/mainboard/google/reef/gpio.h
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Google Inc.
+ *
+ * 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.
+ */
+
+#ifndef MAINBOARD_GPIO_H
+#define MAINBOARD_GPIO_H
+
+#include <soc/gpio.h>
+
+/* Pad configuration in ramstage. */
+static const struct pad_config gpio_table[] = {
+};
+
+/* GPIOs needed prior to ramstage. */
+static const struct pad_config early_gpio_table[] = {
+};
+
+#endif /* MAINBOARD_GPIO_H */