mainboard/google/reef: add pyro variant.

Create the initial Pyro variant which refers to the Reef.
Pyro is APL Chrome board that deviate from reference board Reef.

BRANCH=master
BUG=None
TEST=Build
Signed-off-by: Kevin Chiu <Kevin.Chiu@quantatw.com>
Change-Id: I9beed1f6895e8891d3d51b563edfe172f566718b
Reviewed-on: https://review.coreboot.org/16855
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)

1 files changed, 114 insertions, 0 deletions

diff --git a/src/mainboard/google/reef/variants/pyro/memory.c b/src/mainboard/google/reef/variants/pyro/memory.c
new file mode 100644
index 0000000000..71ee060610
--- /dev/null
+++ b/src/mainboard/google/reef/variants/pyro/memory.c
@@ -0,0 +1,114 @@
+/*
+ * 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.
+ */
+
+#include <baseboard/variants.h>
+#include <gpio.h>
+#include <soc/meminit.h>
+#include <variant/gpio.h>
+
+
+static const struct lpddr4_sku skus[] = {
+	/*
+	 * K4F6E304HB-MGCJ - both logical channels While the parts
+	 * are listed at 16Gb there are 2 ranks per channel so indicate
+	 * the deneisty as 8Gb per rank.
+	 */
+	[0] = {
+		.speed = LP4_SPEED_2400,
+		.ch0_rank_density = LP4_8Gb_DENSITY,
+		.ch1_rank_density = LP4_8Gb_DENSITY,
+		.ch0_dual_rank = 1,
+		.ch1_dual_rank = 1,
+		.part_num = "K4F6E304HB-MGCJ",
+	},
+	/* K4F8E304HB-MGCJ - both logical channels  */
+	[1] = {
+		.speed = LP4_SPEED_2400,
+		.ch0_rank_density = LP4_8Gb_DENSITY,
+		.ch1_rank_density = LP4_8Gb_DENSITY,
+		.part_num = "K4F8E304HB-MGCJ",
+	},
+	/*
+	 * MT53B512M32D2NP-062WT:C - both logical channels. While the parts
+	 * are listed at 16Gb there are 2 ranks per channel so indicate
+	 * the deneisty as 8Gb per rank.
+	 */
+	[2] = {
+		.speed = LP4_SPEED_2400,
+		.ch0_rank_density = LP4_8Gb_DENSITY,
+		.ch1_rank_density = LP4_8Gb_DENSITY,
+		.ch0_dual_rank = 1,
+		.ch1_dual_rank = 1,
+		.part_num = "MT53B512M32D2NP",
+		.disable_periodic_retraining = 1,
+	},
+	/* MT53B256M32D1NP-062 WT:C - both logical channels */
+	[3] = {
+		.speed = LP4_SPEED_2400,
+		.ch0_rank_density = LP4_8Gb_DENSITY,
+		.ch1_rank_density = LP4_8Gb_DENSITY,
+		.part_num = "MT53B256M32D1NP",
+		.disable_periodic_retraining = 1,
+	},
+	/*
+	 * H9HCNNNBPUMLHR-NLE - both logical channels. While the parts
+	 * are listed at 16Gb there are 2 ranks per channel so indicate the
+	 * density as 8Gb per rank.
+	 */
+	[4] = {
+		.speed = LP4_SPEED_2400,
+		.ch0_rank_density = LP4_8Gb_DENSITY,
+		.ch1_rank_density = LP4_8Gb_DENSITY,
+		.ch0_dual_rank = 1,
+		.ch1_dual_rank = 1,
+		.part_num = "H9HCNNNBPUMLHR",
+	},
+	/* H9HCNNN8KUMLHR-NLE - both logical channels */
+	[5] = {
+		.speed = LP4_SPEED_2400,
+		.ch0_rank_density = LP4_8Gb_DENSITY,
+		.ch1_rank_density = LP4_8Gb_DENSITY,
+		.part_num = "H9HCNNN8KUMLHR",
+	},
+	/* Samsung 290 K4F6E304HB-MGCH 16Gb dual-ch */
+	[0xe] = {
+		.speed = LP4_SPEED_2400,
+		.ch0_rank_density = LP4_8Gb_DENSITY,
+		.ch1_rank_density = LP4_8Gb_DENSITY,
+		.ch0_dual_rank = 1,
+		.ch1_dual_rank = 1,
+		.part_num = "K4F6E304HB-MGCH",
+	},
+	/* Samsung 280 K4F8E304HB-MGCH 8Gb dual-ch */
+	[0xf] = {
+		.speed = LP4_SPEED_2400,
+		.ch0_rank_density = LP4_8Gb_DENSITY,
+		.ch1_rank_density = LP4_8Gb_DENSITY,
+		.ch0_dual_rank = 0,
+		.ch1_dual_rank = 0,
+		.part_num = "K4F8E304HB-MGCH",
+	},
+};
+
+static const struct lpddr4_cfg lp4cfg = {
+	.skus = skus,
+	.num_skus = ARRAY_SIZE(skus),
+	.swizzle_config = &baseboard_lpddr4_swizzle,
+};
+
+const struct lpddr4_cfg *variant_lpddr4_config(void)
+{
+	return &lp4cfg;
+}