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-rw-r--r--src/mainboard/google/drallion/variants/drallion/Makefile.inc2
-rw-r--r--src/mainboard/google/drallion/variants/drallion/include/variant/gpio.h7
-rw-r--r--src/mainboard/google/drallion/variants/drallion/include/variant/variant.h3
-rw-r--r--src/mainboard/google/drallion/variants/drallion/memory.c31
4 files changed, 43 insertions, 0 deletions
diff --git a/src/mainboard/google/drallion/variants/drallion/Makefile.inc b/src/mainboard/google/drallion/variants/drallion/Makefile.inc
index 0400d33189..8e070d26fb 100644
--- a/src/mainboard/google/drallion/variants/drallion/Makefile.inc
+++ b/src/mainboard/google/drallion/variants/drallion/Makefile.inc
@@ -20,3 +20,5 @@ bootblock-y += gpio.c
ramstage-y += gpio.c
romstage-y += gpio.c
verstage-y += gpio.c
+
+romstage-y += memory.c
diff --git a/src/mainboard/google/drallion/variants/drallion/include/variant/gpio.h b/src/mainboard/google/drallion/variants/drallion/include/variant/gpio.h
index f7e0403e59..20cfbb8279 100644
--- a/src/mainboard/google/drallion/variants/drallion/include/variant/gpio.h
+++ b/src/mainboard/google/drallion/variants/drallion/include/variant/gpio.h
@@ -25,6 +25,13 @@
/* Recovery mode */
#define GPIO_REC_MODE GPP_E8
+/* Memory configuration board straps */
+#define GPIO_MEM_CONFIG_0 GPP_F12
+#define GPIO_MEM_CONFIG_1 GPP_F13
+#define GPIO_MEM_CONFIG_2 GPP_F14
+#define GPIO_MEM_CONFIG_3 GPP_F15
+#define GPIO_MEM_CONFIG_4 GPP_F16
+
const struct pad_config *variant_gpio_table(size_t *num);
const struct pad_config *variant_early_gpio_table(size_t *num);
diff --git a/src/mainboard/google/drallion/variants/drallion/include/variant/variant.h b/src/mainboard/google/drallion/variants/drallion/include/variant/variant.h
index d878623d59..ca54580133 100644
--- a/src/mainboard/google/drallion/variants/drallion/include/variant/variant.h
+++ b/src/mainboard/google/drallion/variants/drallion/include/variant/variant.h
@@ -22,4 +22,7 @@
#define VARIANT_SKU_ID_SIGNED_EC 4
#define VARIANT_SKU_NAME_SIGNED_EC "sku4"
+/* Return memory SKU for the variant */
+int variant_memory_sku(void);
+
#endif
diff --git a/src/mainboard/google/drallion/variants/drallion/memory.c b/src/mainboard/google/drallion/variants/drallion/memory.c
new file mode 100644
index 0000000000..e1755b4a85
--- /dev/null
+++ b/src/mainboard/google/drallion/variants/drallion/memory.c
@@ -0,0 +1,31 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2019 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 <variant/variant.h>
+#include <gpio.h>
+#include <variant/gpio.h>
+
+int variant_memory_sku(void)
+{
+ gpio_t spd_gpios[] = {
+ GPIO_MEM_CONFIG_0,
+ GPIO_MEM_CONFIG_1,
+ GPIO_MEM_CONFIG_2,
+ GPIO_MEM_CONFIG_3,
+ GPIO_MEM_CONFIG_4,
+ };
+
+ return gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios));
+}