mb/google/fatcat/var/francka: Add memory DQ map

Follow latest schematics MB_SCH_1102A to add the DQ map.

BUG=b:372395010
TEST=emerge-fatcat coreboot

Change-Id: I2ea0c5a07d83df108e41fc838e702b793c878096
Signed-off-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85205
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Pranava Y N <pranavayn@google.com>

2 files changed, 94 insertions, 0 deletions

diff --git a/src/mainboard/google/fatcat/variants/francka/Makefile.mk b/src/mainboard/google/fatcat/variants/francka/Makefile.mk
index bb2853693d..f4b5d45f77 100644
--- a/src/mainboard/google/fatcat/variants/francka/Makefile.mk
+++ b/src/mainboard/google/fatcat/variants/francka/Makefile.mk
@@ -3,6 +3,7 @@
 bootblock-y += gpio.c
 
 romstage-y += gpio.c
+romstage-y += memory.c
 romstage-$(CONFIG_FW_CONFIG) += fw_config.c
 
 ramstage-y += gpio.c
diff --git a/src/mainboard/google/fatcat/variants/francka/memory.c b/src/mainboard/google/fatcat/variants/francka/memory.c
new file mode 100644
index 0000000000..74d74cdea3
--- /dev/null
+++ b/src/mainboard/google/fatcat/variants/francka/memory.c
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/variants.h>
+#include <soc/romstage.h>
+#include <soc/meminit.h>
+
+static const struct mb_cfg lp5_mem_config = {
+	.type = MEM_TYPE_LP5X,
+
+	.lpx_dq_map = {
+		.ddr0 = {
+			.dq0 = { 13, 14, 12, 15, 11, 10,  8,  9 },
+			.dq1 = {  7,  5,  4,  6,  0,  3,  1,  2 },
+		},
+		.ddr1 = {
+			.dq0 = {  1,  3,  0,  2,  7,  4,  6,  5 },
+			.dq1 = { 12, 13, 14, 15, 11, 10,  9,  8 },
+		},
+		.ddr2 = {
+			.dq0 = {  0,  2,  1,  3,  6,  4,  7,  5 },
+			.dq1 = { 14, 13, 15, 12,  8, 11, 10,  9 },
+		},
+		.ddr3 = {
+			.dq0 = {  6,  5,  7,  4,  2,  3,  1,  0 },
+			.dq1 = { 10,  8, 11,  9, 12, 15, 13, 14 },
+		},
+		.ddr4 = {
+			.dq0 = {  2,  1,  3,  0,  4,  7,  5,  6 },
+			.dq1 = { 15, 14, 12, 13,  9, 11, 10,  8 },
+		},
+		.ddr5 = {
+			.dq0 = {  6,  5,  7,  4,  3,  1,  0,  2 },
+			.dq1 = { 10,  9, 11,  8, 13, 14, 12, 15 },
+		},
+		.ddr6 = {
+			.dq0 = {  9, 10, 11,  8, 14, 12, 13, 15 },
+			.dq1 = {  0,  1,  2,  3,  5,  7,  4,  6 },
+		},
+		.ddr7 = {
+			.dq0 = {  0,  1,  2,  3,  7,  5,  6,  4 },
+			.dq1 = { 14, 13, 15, 12, 10,  8, 11,  9 },
+		},
+	},
+
+	.lpx_dqs_map = {
+		.ddr0 = { .dqs0 = 1, .dqs1 = 0 },
+		.ddr1 = { .dqs0 = 0, .dqs1 = 1 },
+		.ddr2 = { .dqs0 = 0, .dqs1 = 1 },
+		.ddr3 = { .dqs0 = 0, .dqs1 = 1 },
+		.ddr4 = { .dqs0 = 0, .dqs1 = 1 },
+		.ddr5 = { .dqs0 = 0, .dqs1 = 1 },
+		.ddr6 = { .dqs0 = 1, .dqs1 = 0 },
+		.ddr7 = { .dqs0 = 0, .dqs1 = 1 }
+	},
+
+	.ect = true, /* Early Command Training */
+
+	.lp_ddr_dq_dqs_re_training = 1,
+
+	.user_bd = BOARD_TYPE_ULT_ULX,
+
+	.lp5x_config = {
+		.ccc_config = 0xFF,
+	},
+};
+
+const struct mb_cfg *variant_memory_params(void)
+{
+	return &lp5_mem_config;
+}
+
+int variant_memory_sku(void)
+{
+	/*
+	 * Memory configuration board straps
+	 * GPIO_MEM_CONFIG_0	GPP_D08
+	 * GPIO_MEM_CONFIG_1	GPP_D07
+	 * GPIO_MEM_CONFIG_2	NC
+	 * GPIO_MEM_CONFIG_3    NC
+	 */
+	gpio_t spd_gpios[] = {
+		GPP_D08,
+		GPP_D07,
+	};
+
+	return gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios));
+}
+
+void variant_get_spd_info(struct mem_spd *spd_info)
+{
+	spd_info->topo = MEM_TOPO_MEMORY_DOWN;
+	spd_info->cbfs_index = 0;
+}