mb/google/hatch: Create nightfury variant

Create new variant and build for nightfury.

BUG=b:149226871
TEST=FW_NAME="nightfury" emerge-hatch coreboot chromeos-bootimage

Change-Id: If08692f4a2d216c57499098cc0e35abd708d99d4
Signed-off-by: Raymond Chung <raymondchung@ami.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38826
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Shelley Chen <shchen@google.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/src/mainboard/google/hatch/variants/nightfury/memory.c b/src/mainboard/google/hatch/variants/nightfury/memory.c
new file mode 100644
index 0000000000..7e1594c47e
--- /dev/null
+++ b/src/mainboard/google/hatch/variants/nightfury/memory.c
@@ -0,0 +1,68 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2020 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 <baseboard/variants.h>
+#include <baseboard/gpio.h>
+#include <soc/cnl_memcfg_init.h>
+#include <string.h>
+
+static const struct cnl_mb_cfg baseboard_memcfg = {
+	/*
+	 * The dqs_map arrays map the SoC pins to the lpddr3 pins
+	 * for both channels.
+	 *
+	 * "The index of the array is CPU byte number, the values are DRAM byte
+	 * numbers." - doc #573387
+	 *
+	 * the index = pin number on SoC
+	 * the value = pin number on lpddr3 part
+	 */
+	.dqs_map[DDR_CH0] = {0, 1, 3, 2, 5, 7, 6, 4},
+	.dqs_map[DDR_CH1] = {1, 3, 2, 0, 5, 7, 6, 4},
+
+	.dq_map[DDR_CH0] = {
+		{0xf, 0xf0},
+		{0x0, 0xf0},
+		{0xf, 0xf0},
+		{0xf, 0x0},
+		{0xff, 0x0},
+		{0xff, 0x0}
+	},
+	.dq_map[DDR_CH1] = {
+		{0xf, 0xf0},
+		{0x0, 0xf0},
+		{0xf, 0xf0},
+		{0xf, 0x0},
+		{0xff, 0x0},
+		{0xff, 0x0}
+	},
+
+	/* Nightfury uses 200, 80.6 and 162 rcomp resistors */
+	.rcomp_resistor = {200, 81, 162},
+
+	/* Nightfury Rcomp target values */
+	.rcomp_targets = {100, 40, 40, 23, 40},
+
+	/* Set CaVref config to 0 for LPDDR3 */
+	.vref_ca_config = 0,
+
+	/* Disable Early Command Training */
+	.ect = 0,
+};
+
+void variant_memory_params(struct cnl_mb_cfg *bcfg)
+{
+	memcpy(bcfg, &baseboard_memcfg, sizeof(baseboard_memcfg));
+}