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-rw-r--r--src/mainboard/google/dedede/variants/beadrix/Makefile.inc3
-rw-r--r--src/mainboard/google/dedede/variants/beadrix/memory.c48
2 files changed, 51 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/beadrix/Makefile.inc b/src/mainboard/google/dedede/variants/beadrix/Makefile.inc
new file mode 100644
index 0000000000..566f5cc767
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/beadrix/Makefile.inc
@@ -0,0 +1,3 @@
+## SPDX-License-Identifier: GPL-2.0-or-later
+
+romstage-y += memory.c
diff --git a/src/mainboard/google/dedede/variants/beadrix/memory.c b/src/mainboard/google/dedede/variants/beadrix/memory.c
new file mode 100644
index 0000000000..bfef45bf36
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/beadrix/memory.c
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/variants.h>
+#include <baseboard/gpio.h>
+#include <gpio.h>
+#include <soc/meminit.h>
+#include <soc/romstage.h>
+
+static const struct mb_cfg board_memcfg_cfg = {
+
+ .dq_map[DDR_CH0] = {
+ {0xf, 0xf0},
+ {0xf, 0xf0},
+ {0xff, 0x0},
+ {0x0, 0x0},
+ {0x0, 0x0},
+ {0x0, 0x0}
+ },
+ .dq_map[DDR_CH1] = {
+ {0xf, 0xf0},
+ {0xf, 0xf0},
+ {0xff, 0x0},
+ {0x0, 0x0},
+ {0x00, 0x0},
+ {0x00, 0x0}
+ },
+
+ /*
+ * The dqs_map arrays map the ddr4 pins to the SoC pins
+ * for both channels.
+ *
+ * the index = pin number on SoC
+ * the value = pin number on LPDDR4 part
+ */
+ .dqs_map[DDR_CH0] = {0, 3, 2, 1, 7, 5, 4, 6},
+ .dqs_map[DDR_CH1] = {3, 1, 2, 0, 4, 7, 6, 5},
+
+ /* Disable Early Command Training */
+ .ect = 1,
+
+ /* User Board Type */
+ .UserBd = BOARD_TYPE_MOBILE,
+};
+
+const struct mb_cfg *variant_memcfg_config(void)
+{
+ return &board_memcfg_cfg;
+}