mainboard/google: add initial rambi mainboard support

BUG=chrome-os-partner:23121
BRANCH=None
TEST=None

Change-Id: I283415be326e2d92e1e1bf7866954f17a7266edb
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/171940
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
Reviewed-on: http://review.coreboot.org/4865
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/src/mainboard/google/rambi/romstage.c b/src/mainboard/google/rambi/romstage.c
new file mode 100644
index 0000000000..f8451731b8
--- /dev/null
+++ b/src/mainboard/google/rambi/romstage.c
@@ -0,0 +1,37 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <console/console.h>
+#include <baytrail/mrc_wrapper.h>
+#include <baytrail/romstage.h>
+
+void mainboard_romstage_entry(struct romstage_params *rp)
+{
+	struct mrc_params mp = {
+		.mainboard = {
+			.dram_type = DRAM_DDR3L,
+			.dram_info_location = DRAM_INFO_SPD_SMBUS,
+			.spd_addrs = { 0xa0, 0xa2 },
+		},
+	};
+	rp->mrc_params = &mp;
+	romstage_common(rp);
+}