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Diffstat (limited to 'src/mainboard/google/hatch/variants/baseboard/memory.c')
-rw-r--r--src/mainboard/google/hatch/variants/baseboard/memory.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/baseboard/memory.c b/src/mainboard/google/hatch/variants/baseboard/memory.c
new file mode 100644
index 0000000000..80f3ba4260
--- /dev/null
+++ b/src/mainboard/google/hatch/variants/baseboard/memory.c
@@ -0,0 +1,60 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 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 <gpio.h>
+#include <soc/cnl_memcfg_init.h>
+
+static const struct cnl_mb_cfg baseboard_memcfg = {
+ /*
+ * The dqs_map arrays map the ddr4 pins to the SoC pins
+ * for both channels.
+ *
+ * the index = pin number on ddr4 part
+ * the value = pin number on SoC
+ */
+ .dqs_map[DDR_CH0] = { 0, 1, 4, 5, 2, 3, 6, 7 },
+ .dqs_map[DDR_CH1] = { 0, 1, 4, 5, 2, 3, 6, 7 },
+
+ /* Baseboard uses 120, 81 and 100 rcomp resistors */
+ .rcomp_resistor = { 120, 81, 100 },
+
+ /* Baseboard Rcomp target values */
+ .rcomp_targets = { 100, 40, 20, 20, 26 },
+
+ /* Set CaVref config to 2 */
+ .vref_ca_config = 2,
+
+ /* Enable Early Command Training */
+ .ect = 1,
+};
+
+const struct cnl_mb_cfg *__weak variant_memory_params(void)
+{
+ return &baseboard_memcfg;
+}
+
+int __weak variant_memory_sku(void)
+{
+ const gpio_t spd_gpios[] = {
+ GPIO_MEM_CONFIG_0,
+ GPIO_MEM_CONFIG_1,
+ GPIO_MEM_CONFIG_2,
+ GPIO_MEM_CONFIG_3,
+ };
+
+ return gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios));
+}