1 files changed, 61 insertions, 0 deletions
diff --git a/src/mainboard/google/glados/variants/sentry/variant.c b/src/mainboard/google/glados/variants/sentry/variant.c
new file mode 100644
index 0000000000..00f49fecf7
--- /dev/null
+++ b/src/mainboard/google/glados/variants/sentry/variant.c
@@ -0,0 +1,61 @@
+/*
+ * 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.
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <baseboard/variant.h>
+#include <soc/pei_data.h>
+#include <soc/pei_wrapper.h>
+
+#define K4E6E304EE_MEM_ID	0x3
+
+void mainboard_fill_pei_data(struct pei_data *pei_data)
+{
+	/* DQ byte map */
+	const u8 dq_map[2][12] = {
+		  { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0,
+		    0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 },
+		  { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0,
+		    0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 } };
+	/* DQS CPU<>DRAM map */
+	const u8 dqs_map[2][8] = {
+		{ 0, 1, 3, 2, 6, 5, 4, 7 },
+		{ 2, 3, 0, 1, 6, 7, 4, 5 } };
+
+	/* Rcomp resistor */
+	const u16 RcompResistor[3] = { 200, 81, 162 };
+
+	/* Rcomp target */
+	const u16 RcompTarget[5] = { 100, 40, 40, 23, 40 };
+
+	/* Strengthen the Rcomp Target Ctrl for K4E6E304EE_MEM_ID */
+	const u16 StrengthendRcompTarget[5] = { 100, 40, 40, 21, 40 };
+
+	/* Default Rcomp Target assignment */
+	const u16 *targeted_rcomp = RcompTarget;
+
+	memcpy(pei_data->dq_map, dq_map, sizeof(dq_map));
+	memcpy(pei_data->dqs_map, dqs_map, sizeof(dqs_map));
+	memcpy(pei_data->RcompResistor, RcompResistor,
+		sizeof(RcompResistor));
+
+	/* Override Rcomp Target assignment for specific SKU(s) */
+	if (pei_data->mem_cfg_id == K4E6E304EE_MEM_ID)
+		targeted_rcomp = StrengthendRcompTarget;
+
+	memcpy(pei_data->RcompTarget, targeted_rcomp,
+		sizeof(pei_data->RcompTarget));
+}