mb/facebook/monolith: Add Facebook Monolith

The board is booting Linux and has been briefly tested.

SeaBIOS, TianoCore payload and Linux as payload all seem to work fine.

BUG=N/A
TEST=tested on Facebook Monolith

Change-Id: I65a2e03334af65cfb3f825d43fa0daa6e6c75913
Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37516
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>

3 files changed, 100 insertions, 0 deletions

diff --git a/src/mainboard/facebook/monolith/spd/Makefile.inc b/src/mainboard/facebook/monolith/spd/Makefile.inc
new file mode 100644
index 0000000000..b4b42f7856
--- /dev/null
+++ b/src/mainboard/facebook/monolith/spd/Makefile.inc
@@ -0,0 +1,18 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2014 Google Inc.
+## Copyright (C) 2015 Intel Corporation.
+## Copyright (C) 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.
+##
+
+romstage-y += spd_util.c
diff --git a/src/mainboard/facebook/monolith/spd/spd.h b/src/mainboard/facebook/monolith/spd/spd.h
new file mode 100644
index 0000000000..f2b6f2af70
--- /dev/null
+++ b/src/mainboard/facebook/monolith/spd/spd.h
@@ -0,0 +1,26 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ * Copyright (C) 2015 Intel Corporation.
+ *
+ * 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_SPD_H
+#define MAINBOARD_SPD_H
+
+#define RCOMP_TARGET_PARAMS	0x5
+
+void mainboard_fill_dq_map_data(void *dq_map_ptr);
+void mainboard_fill_dqs_map_data(void *dqs_map_ptr);
+void mainboard_fill_rcomp_res_data(void *rcomp_ptr);
+void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr);
+#endif
diff --git a/src/mainboard/facebook/monolith/spd/spd_util.c b/src/mainboard/facebook/monolith/spd/spd_util.c
new file mode 100644
index 0000000000..5ccc8107fb
--- /dev/null
+++ b/src/mainboard/facebook/monolith/spd/spd_util.c
@@ -0,0 +1,56 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Intel Corporation.
+ *
+ * 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 <stdint.h>
+#include <string.h>
+
+#include "spd.h"
+
+void mainboard_fill_dq_map_data(void *dq_map_ptr)
+{
+	/* DQ byte map */
+	const u8 dq_map[2][12] = {
+		  { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0,
+		    0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 },
+		  { 0x33, 0xCC, 0x00, 0xCC, 0x33, 0xCC,
+		    0x33, 0x00, 0xFF, 0x00, 0xFF, 0x00 } };
+	memcpy(dq_map_ptr, dq_map, sizeof(dq_map));
+}
+
+void mainboard_fill_dqs_map_data(void *dqs_map_ptr)
+{
+	/* DQS CPU<>DRAM map */
+	const u8 dqs_map[2][8] = {
+		{ 0, 1, 3, 2, 4, 5, 6, 7 },
+		{ 1, 0, 4, 5, 2, 3, 6, 7 } };
+	memcpy(dqs_map_ptr, dqs_map, sizeof(dqs_map));
+}
+
+void mainboard_fill_rcomp_res_data(void *rcomp_ptr)
+{
+	/* Rcomp resistor */
+	const u16 RcompResistor[3] = { 200, 81, 162 };
+	memcpy(rcomp_ptr, RcompResistor,
+		 sizeof(RcompResistor));
+}
+
+void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr)
+{
+	/* Rcomp target */
+	static const u16 RcompTarget[RCOMP_TARGET_PARAMS] = {
+		100, 40, 40, 23, 40 };
+
+	memcpy(rcomp_strength_ptr, RcompTarget, sizeof(RcompTarget));
+}