soc/intel/tgl and tgl mb/google,intel: Use the newly added meminit block driver

This change uses the newly added meminit block driver and updates TGL
SoC and mainboard code accordingly.

TEST=Verified that UPDs are configured correctly with and without this
change.

Change-Id: I6d58cd6568b7bbe03c4e3011b2301209893e85a9
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49042
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>

18 files changed, 537 insertions, 566 deletions

diff --git a/src/mainboard/google/deltaur/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/deltaur/variants/baseboard/include/baseboard/variants.h
index f5e5fb6b6d..7a4ed08f59 100644
--- a/src/mainboard/google/deltaur/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/deltaur/variants/baseboard/include/baseboard/variants.h
@@ -18,7 +18,7 @@ const struct pad_config *variant_override_gpio_table(size_t *num);
 
 const struct cros_gpio *variant_cros_gpios(size_t *num);
 
-const struct lpddr4x_cfg *variant_memory_params(void);
+const struct mb_cfg *variant_memory_params(void);
 void variant_memory_init(FSP_M_CONFIG *mem_cfg);
 
 /* SKU ID structure */
diff --git a/src/mainboard/google/deltaur/variants/deltan/memory.c b/src/mainboard/google/deltaur/variants/deltan/memory.c
index 2184f9b16f..09e0987ed9 100644
--- a/src/mainboard/google/deltaur/variants/deltan/memory.c
+++ b/src/mainboard/google/deltaur/variants/deltan/memory.c
@@ -5,56 +5,76 @@
 #include <gpio.h>
 #include <soc/romstage.h>
 
-static const struct mb_ddr4_cfg baseboard_memcfg = {
+static const struct mb_cfg baseboard_memcfg = {
+	.type = MEM_TYPE_DDR4,
+
 	/* DQ byte map */
-	.dq_map = {
-		[0] = {
-			{ 10, 15, 11, 14, 13,  8, 12,  9, },	/* Byte 0 */
-			{  3,  5,  1,  0,  4,  7,  2,  6, },	/* Byte 1 */
-			{ 15,  8, 11, 13, 10, 12, 14,  9, },	/* Byte 2 */
-			{  1,  6,  2,  4,  7,  5,  3,  0, },	/* Byte 3 */
-			{  7,  2,  6,  3,  4,  0,  5,  1, },	/* Byte 4 */
-			{ 14, 10, 15, 11,  9, 13,  8, 12, },	/* Byte 5 */
-			{  8, 10, 14, 12,  9, 13, 11, 15, },	/* Byte 6 */
-			{  2,  7,  4,  5,  1,  3,  0,  6  },    /* Byte 7 */
+	.ddr4_dq_map = {
+		.ddr0 = {
+			.dq0 = { 10, 15, 11, 14, 13,  8, 12,  9, },	/* Byte 0 */
+			.dq1 = {  3,  5,  1,  0,  4,  7,  2,  6, },	/* Byte 1 */
+			.dq2 = { 15,  8, 11, 13, 10, 12, 14,  9, },	/* Byte 2 */
+			.dq3 = {  1,  6,  2,  4,  7,  5,  3,  0, },	/* Byte 3 */
+			.dq4 = {  7,  2,  6,  3,  4,  0,  5,  1, },	/* Byte 4 */
+			.dq5 = { 14, 10, 15, 11,  9, 13,  8, 12, },	/* Byte 5 */
+			.dq6 = {  8, 10, 14, 12,  9, 13, 11, 15, },	/* Byte 6 */
+			.dq7 = {  2,  7,  4,  5,  1,  3,  0,  6  },	/* Byte 7 */
 		},
 
-		[1] = {
-			{ 12, 14, 10, 11, 15, 13,  9,  8, },	/* Byte 0 */
-			{  0,  6,  2,  7,  3,  5,  1,  4, },	/* Byte 1 */
-			{ 10,  9, 14, 12, 11,  8, 15, 13, },	/* Byte 2 */
-			{  7,  3,  1,  4,  6,  2,  0,  5, },	/* Byte 3 */
-			{ 10,  9, 13, 12,  8, 14, 11, 15, },	/* Byte 4 */
-			{  5,  4,  0,  2,  7,  3,  6,  1, },	/* Byte 5 */
-			{ 15,  9, 11, 13, 10, 14,  8, 12, },	/* Byte 6 */
-			{  7,  3,  0,  4,  2,  5,  1,  6  },	/* Byte 7 */
+		.ddr1 = {
+			.dq0 = { 12, 14, 10, 11, 15, 13,  9,  8, },	/* Byte 0 */
+			.dq1 = {  0,  6,  2,  7,  3,  5,  1,  4, },	/* Byte 1 */
+			.dq2 = { 10,  9, 14, 12, 11,  8, 15, 13, },	/* Byte 2 */
+			.dq3 = {  7,  3,  1,  4,  6,  2,  0,  5, },	/* Byte 3 */
+			.dq4 = { 10,  9, 13, 12,  8, 14, 11, 15, },	/* Byte 4 */
+			.dq5 = {  5,  4,  0,  2,  7,  3,  6,  1, },	/* Byte 5 */
+			.dq6 = { 15,  9, 11, 13, 10, 14,  8, 12, },	/* Byte 6 */
+			.dq7 = {  7,  3,  0,  4,  2,  5,  1,  6  },	/* Byte 7 */
 		},
 	},
 
 	/* DQS CPU<>DRAM map */
-	.dqs_map = {
-		{ 1, 0, 1, 0, 0, 1, 1, 0 },
-		{ 1, 0, 1, 0, 1, 0, 1, 0 }
+	.ddr4_dqs_map = {
+		.ddr0 = {
+			.dqs0 = 1,
+			.dqs1 = 0,
+			.dqs2 = 1,
+			.dqs3 = 0,
+			.dqs4 = 0,
+			.dqs5 = 1,
+			.dqs6 = 1,
+			.dqs7 = 0,
+		},
+		.ddr1 = {
+			.dqs0 = 1,
+			.dqs1 = 0,
+			.dqs2 = 1,
+			.dqs3 = 0,
+			.dqs4 = 1,
+			.dqs5 = 0,
+			.dqs6 = 1,
+			.dqs7 = 0,
+		}
 	},
 
-	.ect = 0, /* Disable Early Command Training */
+	.ect = false, /* Disable Early Command Training */
 };
 
 void variant_memory_init(FSP_M_CONFIG *mem_cfg)
 {
-	const struct spd_info spd_info = {
-		.topology = SODIMM,
-		.smbus_info[0] = {.addr_dimm0 = 0x50,
-				  .addr_dimm1 = 0 },
-		.smbus_info[1] = {.addr_dimm0 = 0x52,
-				  .addr_dimm1 = 0 },
+	const struct mem_spd spd_info = {
+		.topo = MEM_TOPO_DIMM_MODULE,
+		.smbus = {
+			[0] = { .addr_dimm[0] = 0x50, },
+			[1] = { .addr_dimm[0] = 0x52, },
+		},
 	};
 	const bool half_populated = false;
-	struct mb_ddr4_cfg new_board_cfg_ddr4;
+	struct mb_cfg new_board_cfg_ddr4;
 
 	memcpy(&new_board_cfg_ddr4, &baseboard_memcfg, sizeof(baseboard_memcfg));
 
-	new_board_cfg_ddr4.dq_pins_interleaved = gpio_get(MEMORY_INTERLEAVED);
+	new_board_cfg_ddr4.ddr4_config.dq_pins_interleaved = gpio_get(MEMORY_INTERLEAVED);
 
-	meminit_ddr4(mem_cfg, &new_board_cfg_ddr4, &spd_info, half_populated);
+	memcfg_init(mem_cfg, &new_board_cfg_ddr4, &spd_info, half_populated);
 }
diff --git a/src/mainboard/google/deltaur/variants/deltaur/memory.c b/src/mainboard/google/deltaur/variants/deltaur/memory.c
index 68c8d0e991..f8506df54b 100644
--- a/src/mainboard/google/deltaur/variants/deltaur/memory.c
+++ b/src/mainboard/google/deltaur/variants/deltaur/memory.c
@@ -5,59 +5,61 @@
 #include <gpio.h>
 #include <variant/gpio.h>
 
-static const struct lpddr4x_cfg baseboard_memcfg = {
+static const struct mb_cfg baseboard_memcfg = {
+	.type = MEM_TYPE_LP4X,
+
 	/* DQ byte map */
-	.dq_map = {
-		[0] = {
-			{ 8,  9, 12,  11, 13, 15,  10, 14, }, /* DDR0_DQ0[7:0] */
-			{ 4,  6,  0,   2,  5,  7,   1,  3, }, /* DDR0_DQ1[7:0] */
+	.lp4x_dq_map = {
+		.ddr0 = {
+			.dq0 = { 8,  9, 12,  11, 13, 15,  10, 14, }, /* DDR0_DQ0[7:0] */
+			.dq1 = { 4,  6,  0,   2,  5,  7,   1,  3, }, /* DDR0_DQ1[7:0] */
 		},
-		[1] = {
-			{  2,  3,  0,   6,  1,  7,   5,  4, },  /* DDR1_DQ0[7:0] */
-			{ 15, 14, 13,   8, 12, 11,   9, 10, },  /* DDR1_DQ1[7:0] */
+		.ddr1 = {
+			.dq0 = {  2,  3,  0,   6,  1,  7,   5,  4, },  /* DDR1_DQ0[7:0] */
+			.dq1 = { 15, 14, 13,   8, 12, 11,   9, 10, },  /* DDR1_DQ1[7:0] */
 		},
-		[2] = {
-			{  1,  0,  3,   2,  5,  4,   7,  6, }, /* DDR2_DQ0[7:0] */
-			{ 14, 15, 12,  13,  8, 10,   9, 11, }, /* DDR2_DQ1[7:0] */
+		.ddr2 = {
+			.dq0 = {  1,  0,  3,   2,  5,  4,   7,  6, }, /* DDR2_DQ0[7:0] */
+			.dq1 = { 14, 15, 12,  13,  8, 10,   9, 11, }, /* DDR2_DQ1[7:0] */
 		},
-		[3] = {
-			{  8, 10, 11,   9, 15, 12,  14, 13, }, /* DDR3_DQ0[7:0] */
-			{  4,  7,  6,   5,  2,  0,  1,  3, },  /* DDR3_DQ1[7:0] */
+		.ddr3 = {
+			.dq0 = {  8, 10, 11,   9, 15, 12,  14, 13, }, /* DDR3_DQ0[7:0] */
+			.dq1 = {  4,  7,  6,   5,  2,  0,  1,  3, },  /* DDR3_DQ1[7:0] */
 		},
-		[4] = {
-			{  8,  9, 10,  11, 13, 12,  15, 14, }, /* DDR4_DQ0[7:0] */
-			{  7,  6,  4,   5,  0,  2,   1,  3, }, /* DDR4_DQ1[7:0] */
+		.ddr4 = {
+			.dq0 = {  8,  9, 10,  11, 13, 12,  15, 14, }, /* DDR4_DQ0[7:0] */
+			.dq1 = {  7,  6,  4,   5,  0,  2,   1,  3, }, /* DDR4_DQ1[7:0] */
 		},
-		[5] = {
-			{  1,  3,  0,   2,  6,  4,   5,  7, }, /* DDR5_DQ0[7:0] */
-			{ 14, 15, 10,  12,  8, 13,  11,  9, }, /* DDR5_DQ1[7:0] */
+		.ddr5 = {
+			.dq0 = {  1,  3,  0,   2,  6,  4,   5,  7, }, /* DDR5_DQ0[7:0] */
+			.dq1 = { 14, 15, 10,  12,  8, 13,  11,  9, }, /* DDR5_DQ1[7:0] */
 		},
-		[6] = {
-			{  1,  0,  2,   4,  5,  3,   7,  6, }, /* DDR6_DQ0[7:0] */
-			{ 12, 14, 15,  13,  9,  10,  8, 11, }, /* DDR6_DQ1[7:0] */
+		.ddr6 = {
+			.dq0 = {  1,  0,  2,   4,  5,  3,   7,  6, }, /* DDR6_DQ0[7:0] */
+			.dq1 = { 12, 14, 15,  13,  9,  10,  8, 11, }, /* DDR6_DQ1[7:0] */
 		},
-		[7] = {
-			{ 11,  9,  8,  13, 12,  14, 15, 10, }, /* DDR7_DQ0[7:0] */
-			{  4,  7,  5,   1,  2,   6,  3,  0, }, /* DDR7_DQ1[7:0] */
+		.ddr7 = {
+			.dq0 = { 11,  9,  8,  13, 12,  14, 15, 10, }, /* DDR7_DQ0[7:0] */
+			.dq1 = {  4,  7,  5,   1,  2,   6,  3,  0, }, /* DDR7_DQ1[7:0] */
 		},
 	},
 
 	/* DQS CPU<>DRAM map */
-	.dqs_map = {
-		[0] = { 1, 0 }, /* DDR0_DQS[1:0] */
-		[1] = { 0, 1 }, /* DDR1_DQS[1:0] */
-		[2] = { 0, 1 }, /* DDR2_DQS[1:0] */
-		[3] = { 1, 0 }, /* DDR3_DQS[1:0] */
-		[4] = { 1, 0 }, /* DDR4_DQS[1:0] */
-		[5] = { 0, 1 }, /* DDR5_DQS[1:0] */
-		[6] = { 0, 1 }, /* DDR6_DQS[1:0] */
-		[7] = { 1, 0 }, /* DDR7_DQS[1:0] */
+	.lp4x_dqs_map = {
+		.ddr0 = { .dqs0 = 1, .dqs1 = 0 }, /* DDR0_DQS[1:0] */
+		.ddr1 = { .dqs0 = 0, .dqs1 = 1 }, /* DDR1_DQS[1:0] */
+		.ddr2 = { .dqs0 = 0, .dqs1 = 1 }, /* DDR2_DQS[1:0] */
+		.ddr3 = { .dqs0 = 1, .dqs1 = 0 }, /* DDR3_DQS[1:0] */
+		.ddr4 = { .dqs0 = 1, .dqs1 = 0 }, /* DDR4_DQS[1:0] */
+		.ddr5 = { .dqs0 = 0, .dqs1 = 1 }, /* DDR5_DQS[1:0] */
+		.ddr6 = { .dqs0 = 0, .dqs1 = 1 }, /* DDR6_DQS[1:0] */
+		.ddr7 = { .dqs0 = 1, .dqs1 = 0 }, /* DDR7_DQS[1:0] */
 	},
 
-	.ect = 0, /* Early Command Training */
+	.ect = false, /* Early Command Training */
 };
 
-const struct lpddr4x_cfg *variant_memory_params(void)
+const struct mb_cfg *variant_memory_params(void)
 {
 	return &baseboard_memcfg;
 }
@@ -77,12 +79,11 @@ static int variant_memory_sku(void)
 
 void variant_memory_init(FSP_M_CONFIG *mem_cfg)
 {
-	const struct lpddr4x_cfg *board_cfg = variant_memory_params();
-	const struct spd_info spd_info = {
-		.topology = MEMORY_DOWN,
-		.md_spd_loc = SPD_CBFS,
+	const struct mb_cfg *board_cfg = variant_memory_params();
+	const struct mem_spd spd_info = {
+		.topo = MEM_TOPO_MEMORY_DOWN,
 		.cbfs_index = variant_memory_sku(),
 	};
 	const bool half_populated = false;
-	meminit_lpddr4x(mem_cfg, board_cfg, &spd_info, half_populated);
+	memcfg_init(mem_cfg, board_cfg, &spd_info, half_populated);
 }
diff --git a/src/mainboard/google/volteer/romstage.c b/src/mainboard/google/volteer/romstage.c
index 67d3489b03..f3fb454eb3 100644
--- a/src/mainboard/google/volteer/romstage.c
+++ b/src/mainboard/google/volteer/romstage.c
@@ -14,13 +14,12 @@
 void mainboard_memory_init_params(FSPM_UPD *mupd)
 {
 	FSP_M_CONFIG *mem_cfg = &mupd->FspmConfig;
-	const struct ddr_memory_cfg *board_cfg = variant_memory_params();
-	const struct spd_info spd_info = {
-		.topology = MEMORY_DOWN,
-		.md_spd_loc = SPD_CBFS,
+	const struct mb_cfg *board_cfg = variant_memory_params();
+	const struct mem_spd spd_info = {
+		.topo = MEM_TOPO_MEMORY_DOWN,
 		.cbfs_index = variant_memory_sku(),
 	};
 	bool half_populated = gpio_get(GPIO_MEM_CH_SEL);
 
-	meminit_ddr(mem_cfg, board_cfg, &spd_info, half_populated);
+	memcfg_init(mem_cfg, board_cfg, &spd_info, half_populated);
 }
diff --git a/src/mainboard/google/volteer/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/volteer/variants/baseboard/include/baseboard/variants.h
index 4d5dc87cb9..2431c59cdc 100644
--- a/src/mainboard/google/volteer/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/volteer/variants/baseboard/include/baseboard/variants.h
@@ -18,7 +18,7 @@ const struct pad_config *variant_override_gpio_table(size_t *num);
 
 const struct cros_gpio *variant_cros_gpios(size_t *num);
 
-const struct ddr_memory_cfg *variant_memory_params(void);
+const struct mb_cfg *variant_memory_params(void);
 int variant_memory_sku(void);
 
 /* Modify devictree settings during ramstage. */
diff --git a/src/mainboard/google/volteer/variants/baseboard/memory.c b/src/mainboard/google/volteer/variants/baseboard/memory.c
index dafeb3b3a6..1998a1fb27 100644
--- a/src/mainboard/google/volteer/variants/baseboard/memory.c
+++ b/src/mainboard/google/volteer/variants/baseboard/memory.c
@@ -4,64 +4,59 @@
 #include <baseboard/variants.h>
 #include <gpio.h>
 
-static const struct lpddr4x_cfg baseboard_lpddr4x_memcfg = {
-	/* DQ CPU<>DRAM map */
-	.dq_map = {
-		[0] = {
-			{ 0,  1,  2,  3,  4,  5,  6,  7, },  /* DDR0_DQ0[7:0] */
-			{ 12, 13, 14, 15, 11, 10,  9,  8, }, /* DDR0_DQ1[7:0] */
+static const struct mb_cfg baseboard_memcfg = {
+	.type = MEM_TYPE_LP4X,
+
+	.lp4x_dq_map = {
+		.ddr0 = {
+			.dq0 = { 0,  1,  2,  3,  4,  5,  6,  7, },  /* DDR0_DQ0[7:0] */
+			.dq1 = { 12, 13, 14, 15, 11, 10,  9,  8, }, /* DDR0_DQ1[7:0] */
 		},
-		[1] = {
-			{ 7,  2,  6,  3,  5,  1,  4,  0, },  /* DDR1_DQ0[7:0] */
-			{ 10,  8,  9, 11, 15, 12, 14, 13, }, /* DDR1_DQ1[7:0] */
+		.ddr1 = {
+			.dq0 = { 7,  2,  6,  3,  5,  1,  4,  0, },  /* DDR1_DQ0[7:0] */
+			.dq1 = { 10,  8,  9, 11, 15, 12, 14, 13, }, /* DDR1_DQ1[7:0] */
 		},
-		[2] = {
-			{ 3,  2,  1,  0,  4,  5,  6,  7, },  /* DDR2_DQ0[7:0] */
-			{ 12, 13, 14, 15, 11, 10,  9,  8, }, /* DDR2_DQ1[7:0] */
+		.ddr2 = {
+			.dq0 = { 3,  2,  1,  0,  4,  5,  6,  7, },  /* DDR2_DQ0[7:0] */
+			.dq1 = { 12, 13, 14, 15, 11, 10,  9,  8, }, /* DDR2_DQ1[7:0] */
 		},
-		[3] = {
-			{ 7,  0,  1,  6,  5,  4,  2,  3, },  /* DDR3_DQ0[7:0] */
-			{ 15, 14,  8,  9, 10, 12, 11, 13, }, /* DDR3_DQ1[7:0] */
+		.ddr3 = {
+			.dq0 = { 7,  0,  1,  6,  5,  4,  2,  3, },  /* DDR3_DQ0[7:0] */
+			.dq1 = { 15, 14,  8,  9, 10, 12, 11, 13, }, /* DDR3_DQ1[7:0] */
 		},
-		[4] = {
-			{ 3,  2,  1,  0,  4,  5,  6,  7, },  /* DDR4_DQ0[7:0] */
-			{ 12, 13, 14, 15, 11, 10,  9,  8, }, /* DDR4_DQ1[7:0] */
+		.ddr4 = {
+			.dq0 = { 3,  2,  1,  0,  4,  5,  6,  7, },  /* DDR4_DQ0[7:0] */
+			.dq1 = { 12, 13, 14, 15, 11, 10,  9,  8, }, /* DDR4_DQ1[7:0] */
 		},
-		[5] = {
-			{ 3,  4,  2,  5,  0,  6,  1,  7, },  /* DDR5_DQ0[7:0] */
-			{ 13, 12, 11, 10, 14, 15,  9,  8, }, /* DDR5_DQ1[7:0] */
+		.ddr5 = {
+			.dq0 = { 3,  4,  2,  5,  0,  6,  1,  7, },  /* DDR5_DQ0[7:0] */
+			.dq1 = { 13, 12, 11, 10, 14, 15,  9,  8, }, /* DDR5_DQ1[7:0] */
 		},
-		[6] = {
-			{ 3,  2,  1,  0,  7,  4,  5,  6, },  /* DDR6_DQ0[7:0] */
-			{ 15, 14, 13, 12,  8,  9, 10, 11, }, /* DDR6_DQ1[7:0] */
+		.ddr6 = {
+			.dq0 = { 3,  2,  1,  0,  7,  4,  5,  6, },  /* DDR6_DQ0[7:0] */
+			.dq1 = { 15, 14, 13, 12,  8,  9, 10, 11, }, /* DDR6_DQ1[7:0] */
 		},
-		[7] = {
-			{ 3,  4,  2,  5,  1,  0,  7,  6, },  /* DDR7_DQ0[7:0] */
-			{ 15, 14,  9,  8, 12, 10, 11, 13, }, /* DDR7_DQ1[7:0] */
+		.ddr7  = {
+			.dq0 = { 3,  4,  2,  5,  1,  0,  7,  6, },  /* DDR7_DQ0[7:0] */
+			.dq1 = { 15, 14,  9,  8, 12, 10, 11, 13, }, /* DDR7_DQ1[7:0] */
 		},
 	},
 
-	/* DQS CPU<>DRAM map */
-	.dqs_map = {
-		[0] = { 0, 1 },  /* DDR0_DQS[1:0] */
-		[1] = { 0, 1 },  /* DDR1_DQS[1:0] */
-		[2] = { 0, 1 },  /* DDR2_DQS[1:0] */
-		[3] = { 0, 1 },  /* DDR3_DQS[1:0] */
-		[4] = { 0, 1 },  /* DDR4_DQS[1:0] */
-		[5] = { 0, 1 },  /* DDR5_DQS[1:0] */
-		[6] = { 0, 1 },  /* DDR6_DQS[1:0] */
-		[7] = { 0, 1 },  /* DDR7_DQS[1:0] */
+	.lp4x_dqs_map = {
+		.ddr0 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR0_DQS[1:0] */
+		.ddr1 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR1_DQS[1:0] */
+		.ddr2 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR2_DQS[1:0] */
+		.ddr3 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR3_DQS[1:0] */
+		.ddr4 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR4_DQS[1:0] */
+		.ddr5 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR5_DQS[1:0] */
+		.ddr6 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR6_DQS[1:0] */
+		.ddr7 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR7_DQS[1:0] */
 	},
 
-	.ect = 1, /* Enable Early Command Training */
-};
-
-static const struct ddr_memory_cfg baseboard_memcfg = {
-	.mem_type = MEMTYPE_LPDDR4X,
-	.lpddr4_cfg = &baseboard_lpddr4x_memcfg
+	.ect = true, /* Enable Early Command Training */
 };
 
-const struct ddr_memory_cfg *__weak variant_memory_params(void)
+const struct mb_cfg *__weak variant_memory_params(void)
 {
 	return &baseboard_memcfg;
 }
diff --git a/src/mainboard/google/volteer/variants/copano/memory.c b/src/mainboard/google/volteer/variants/copano/memory.c
index 7821157a58..b4414d4019 100644
--- a/src/mainboard/google/volteer/variants/copano/memory.c
+++ b/src/mainboard/google/volteer/variants/copano/memory.c
@@ -2,64 +2,61 @@
 
 #include <baseboard/variants.h>
 
-static const struct lpddr4x_cfg copano_memcfg = {
+static const struct mb_cfg board_memcfg = {
+	.type = MEM_TYPE_LP4X,
+
 	/* DQ byte map */
-	.dq_map = {
-		[0] = {
-			{ 7,  3,  1,  4,  0,  5,  2,  6, }, /* DDR0_DQ0[7:0] */
-			{ 13, 14, 8,  10, 9,  15, 11, 12 }, /* DDR0_DQ1[7:0] */
+	.lp4x_dq_map = {
+		.ddr0 = {
+			.dq0 = { 7,  3,  1,  4,  0,  5,  2,  6, }, /* DDR0_DQ0[7:0] */
+			.dq1 = { 13, 14, 8,  10, 9,  15, 11, 12 }, /* DDR0_DQ1[7:0] */
 		},
-		[1] = {
-			{ 1,  2,  7,  6,  3,  5,  4,  0, }, /* DDR1_DQ0[7:0] */
-			{ 14, 15, 13, 10,  8, 11, 12, 9  }, /* DDR1_DQ1[7:0] */
+		.ddr1 = {
+			.dq0 = { 1,  2,  7,  6,  3,  5,  4,  0, }, /* DDR1_DQ0[7:0] */
+			.dq1 = { 14, 15, 13, 10,  8, 11, 12, 9  }, /* DDR1_DQ1[7:0] */
 		},
-		[2] = {
-			{ 11, 15, 10, 9,  8, 12, 13, 14, }, /* DDR2_DQ0[7:0] */
-			{ 5,  6,  4,  0,  7,  2,  3,  1  }, /* DDR2_DQ1[7:0] */
+		.ddr2 = {
+			.dq0 = { 11, 15, 10, 9,  8, 12, 13, 14, }, /* DDR2_DQ0[7:0] */
+			.dq1 = { 5,  6,  4,  0,  7,  2,  3,  1  }, /* DDR2_DQ1[7:0] */
 		},
-		[3] = {
-			{ 11, 15, 10, 9, 13, 12, 14,  8, }, /* DDR3_DQ0[7:0] */
-			{ 0,  5,  6,  4,  1,  2,  7,  3  }, /* DDR3_DQ1[7:0] */
+		.ddr3 = {
+			.dq0 = { 11, 15, 10, 9, 13, 12, 14,  8, }, /* DDR3_DQ0[7:0] */
+			.dq1 = { 0,  5,  6,  4,  1,  2,  7,  3  }, /* DDR3_DQ1[7:0] */
 		},
-		[4] = {
-			{ 7,  2,  3,  1,  4,  0,  5,  6, }, /* DDR4_DQ0[7:0] */
-			{ 13, 14,  8, 12, 10,  9, 15, 11 }, /* DDR4_DQ1[7:0] */
+		.ddr4 = {
+			.dq0 = { 7,  2,  3,  1,  4,  0,  5,  6, }, /* DDR4_DQ0[7:0] */
+			.dq1 = { 13, 14,  8, 12, 10,  9, 15, 11 }, /* DDR4_DQ1[7:0] */
 		},
-		[5] = {
-			{ 7,  3,  2,  1,  6,  4,  0,  5, }, /* DDR5_DQ0[7:0] */
-			{ 15, 14, 12, 8, 11, 13,  9,  10 }, /* DDR5_DQ1[7:0] */
+		.ddr5 = {
+			.dq0 = { 7,  3,  2,  1,  6,  4,  0,  5, }, /* DDR5_DQ0[7:0] */
+			.dq1 = { 15, 14, 12, 8, 11, 13,  9,  10 }, /* DDR5_DQ1[7:0] */
 		},
-		[6] = {
-			{ 11, 10, 15, 12, 8,  9, 14, 13, }, /* DDR6_DQ0[7:0] */
-			{ 6,  0,  5,  4,  3,  2,  7,  1  }, /* DDR6_DQ1[7:0] */
+		.ddr6 = {
+			.dq0 = { 11, 10, 15, 12, 8,  9, 14, 13, }, /* DDR6_DQ0[7:0] */
+			.dq1 = { 6,  0,  5,  4,  3,  2,  7,  1  }, /* DDR6_DQ1[7:0] */
 		},
-		[7] = {
-			{ 9, 10, 11,  8, 12, 14, 13, 15, }, /* DDR7_DQ0[7:0] */
-			{ 0,  5,  4,  7,  1,  6,  3,  2  }, /* DDR7_DQ1[7:0] */
+		.ddr7 = {
+			.dq0 = { 9, 10, 11,  8, 12, 14, 13, 15, }, /* DDR7_DQ0[7:0] */
+			.dq1 = { 0,  5,  4,  7,  1,  6,  3,  2  }, /* DDR7_DQ1[7:0] */
 		},
 	},
 
 	/* DQS CPU<>DRAM map */
-	.dqs_map = {
-		[0] = { 0, 1 },  /* DDR0_DQS[1:0] */
-		[1] = { 0, 1 },  /* DDR1_DQS[1:0] */
-		[2] = { 1, 0 },  /* DDR2_DQS[1:0] */
-		[3] = { 1, 0 },  /* DDR3_DQS[1:0] */
-		[4] = { 0, 1 },  /* DDR4_DQS[1:0] */
-		[5] = { 0, 1 },  /* DDR5_DQS[1:0] */
-		[6] = { 1, 0 },  /* DDR6_DQS[1:0] */
-		[7] = { 1, 0 },  /* DDR7_DQS[1:0] */
+	.lp4x_dqs_map = {
+		.ddr0 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR0_DQS[1:0] */
+		.ddr1 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR1_DQS[1:0] */
+		.ddr2 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR2_DQS[1:0] */
+		.ddr3 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR3_DQS[1:0] */
+		.ddr4 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR4_DQS[1:0] */
+		.ddr5 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR5_DQS[1:0] */
+		.ddr6 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR6_DQS[1:0] */
+		.ddr7 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR7_DQS[1:0] */
 	},
 
-	.ect = 1, /* Enable Early Command Training */
-};
-
-static const struct ddr_memory_cfg board_memcfg = {
-	.mem_type = MEMTYPE_LPDDR4X,
-	.lpddr4_cfg = &copano_memcfg
+	.ect = true, /* Enable Early Command Training */
 };
 
-const struct ddr_memory_cfg *variant_memory_params(void)
+const struct mb_cfg *variant_memory_params(void)
 {
 	return &board_memcfg;
 }
diff --git a/src/mainboard/google/volteer/variants/delbin/memory.c b/src/mainboard/google/volteer/variants/delbin/memory.c
index 9d8ad405ce..6ccb5034d6 100644
--- a/src/mainboard/google/volteer/variants/delbin/memory.c
+++ b/src/mainboard/google/volteer/variants/delbin/memory.c
@@ -2,64 +2,59 @@
 
 #include <baseboard/variants.h>
 
-static const struct lpddr4x_cfg delbin_memcfg = {
-	/* DQ byte map */
-	.dq_map = {
-		[0] = {
-			{ 3,  2,  1,  0,  4,  5,  7,  6, }, /* DDR0_DQ0[7:0] */
-			{ 12, 13, 14, 15, 11, 10, 9,  8  }, /* DDR0_DQ1[7:0] */
+static const struct mb_cfg board_memcfg = {
+	.type = MEM_TYPE_LP4X,
+
+	.lp4x_dq_map = {
+		.ddr0 = {
+			.dq0 = { 3,  2,  1,  0,  4,  5,  7,  6, }, /* DDR0_DQ0[7:0] */
+			.dq1 = { 12, 13, 14, 15, 11, 10, 9,  8  }, /* DDR0_DQ1[7:0] */
 		},
-		[1] = {
-			{ 0,  7,  1,  6,  2,  5,  3,  4, }, /* DDR1_DQ0[7:0] */
-			{ 8,  15, 14,  9, 12, 10, 13, 11 }, /* DDR1_DQ1[7:0] */
+		.ddr1 = {
+			.dq0 = { 0,  7,  1,  6,  2,  5,  3,  4, }, /* DDR1_DQ0[7:0] */
+			.dq1 = { 8,  15, 14,  9, 12, 10, 13, 11 }, /* DDR1_DQ1[7:0] */
 		},
-		[2] = {
-			{ 2,  3,  0,  1,  4,  5,  6,  7, }, /* DDR2_DQ0[7:0] */
-			{ 12, 13, 15, 14, 11, 10, 9,  8  }, /* DDR2_DQ1[7:0] */
+		.ddr2 = {
+			.dq0 = { 2,  3,  0,  1,  4,  5,  6,  7, }, /* DDR2_DQ0[7:0] */
+			.dq1 = { 12, 13, 15, 14, 11, 10, 9,  8  }, /* DDR2_DQ1[7:0] */
 		},
-		[3] = {
-			{ 7,  0,  1,  6,  5,  4,  2,  3, }, /* DDR3_DQ0[7:0] */
-			{ 15, 14,  8,  9, 10, 13, 11, 12 }, /* DDR3_DQ1[7:0] */
+		.ddr3 = {
+			.dq0 = { 7,  0,  1,  6,  5,  4,  2,  3, }, /* DDR3_DQ0[7:0] */
+			.dq1 = { 15, 14,  8,  9, 10, 13, 11, 12 }, /* DDR3_DQ1[7:0] */
 		},
-		[4] = {
-			{ 4,  5,  2,  3,  7,  6,  0,  1, }, /* DDR4_DQ0[7:0] */
-			{ 12, 13, 15, 14, 11, 10, 8,  9  }, /* DDR4_DQ1[7:0] */
+		.ddr4 = {
+			.dq0 = { 4,  5,  2,  3,  7,  6,  0,  1, }, /* DDR4_DQ0[7:0] */
+			.dq1 = { 12, 13, 15, 14, 11, 10, 8,  9  }, /* DDR4_DQ1[7:0] */
 		},
-		[5] = {
-			{  3,  4,  2,  5,  0,  6,  1,  7, }, /* DDR5_DQ0[7:0] */
-			{  12, 13, 11, 10, 14, 15,  9,  8 }, /* DDR5_DQ1[7:0] */
+		.ddr5 = {
+			.dq0 = {  3,  4,  2,  5,  0,  6,  1,  7, }, /* DDR5_DQ0[7:0] */
+			.dq1 = {  12, 13, 11, 10, 14, 15,  9,  8 }, /* DDR5_DQ1[7:0] */
 		},
-		[6] = {
-			{  3,  2,  1,  0,  7,  4,  5,  6, }, /* DDR6_DQ0[7:0] */
-			{  15, 14, 13, 12,  8,  9, 10, 11 }, /* DDR6_DQ1[7:0] */
+		.ddr6 = {
+			.dq0 = {  3,  2,  1,  0,  7,  4,  5,  6, }, /* DDR6_DQ0[7:0] */
+			.dq1 = {  15, 14, 13, 12,  8,  9, 10, 11 }, /* DDR6_DQ1[7:0] */
 		},
-		[7] = {
-			{  2,  4,  3,  5,  1,  0,  7,  6, }, /* DDR7_DQ0[7:0] */
-			{  14, 15,  9,  8, 12, 10, 11, 13 }, /* DDR7_DQ1[7:0] */
+		.ddr7 = {
+			.dq0 = {  2,  4,  3,  5,  1,  0,  7,  6, }, /* DDR7_DQ0[7:0] */
+			.dq1 = {  14, 15,  9,  8, 12, 10, 11, 13 }, /* DDR7_DQ1[7:0] */
 		},
 	},
 
-	/* DQS CPU<>DRAM map */
-	.dqs_map = {
-		[0] = { 0, 1 },  /* DDR0_DQS[1:0] */
-		[1] = { 0, 1 },  /* DDR1_DQS[1:0] */
-		[2] = { 0, 1 },  /* DDR2_DQS[1:0] */
-		[3] = { 0, 1 },  /* DDR3_DQS[1:0] */
-		[4] = { 0, 1 },  /* DDR4_DQS[1:0] */
-		[5] = { 0, 1 },  /* DDR5_DQS[1:0] */
-		[6] = { 0, 1 },  /* DDR6_DQS[1:0] */
-		[7] = { 0, 1 },  /* DDR7_DQS[1:0] */
+	.lp4x_dqs_map = {
+		.ddr0 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR0_DQS[1:0] */
+		.ddr1 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR1_DQS[1:0] */
+		.ddr2 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR2_DQS[1:0] */
+		.ddr3 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR3_DQS[1:0] */
+		.ddr4 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR4_DQS[1:0] */
+		.ddr5 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR5_DQS[1:0] */
+		.ddr6 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR6_DQS[1:0] */
+		.ddr7 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR7_DQS[1:0] */
 	},
 
-	.ect = 1, /* Enable Early Command Training */
-};
-
-static const struct ddr_memory_cfg board_memcfg = {
-	.mem_type = MEMTYPE_LPDDR4X,
-	.lpddr4_cfg = &delbin_memcfg
+	.ect = true,
 };
 
-const struct ddr_memory_cfg *variant_memory_params(void)
+const struct mb_cfg *variant_memory_params(void)
 {
 	return &board_memcfg;
 }
diff --git a/src/mainboard/google/volteer/variants/drobit/memory.c b/src/mainboard/google/volteer/variants/drobit/memory.c
index 9d8ad405ce..2b4ec29092 100644
--- a/src/mainboard/google/volteer/variants/drobit/memory.c
+++ b/src/mainboard/google/volteer/variants/drobit/memory.c
@@ -2,64 +2,61 @@
 
 #include <baseboard/variants.h>
 
-static const struct lpddr4x_cfg delbin_memcfg = {
+static const struct mb_cfg board_memcfg = {
+	.type = MEM_TYPE_LP4X,
+
 	/* DQ byte map */
-	.dq_map = {
-		[0] = {
-			{ 3,  2,  1,  0,  4,  5,  7,  6, }, /* DDR0_DQ0[7:0] */
-			{ 12, 13, 14, 15, 11, 10, 9,  8  }, /* DDR0_DQ1[7:0] */
+	.lp4x_dq_map = {
+		.ddr0 = {
+			.dq0 = { 3,  2,  1,  0,  4,  5,  7,  6, }, /* DDR0_DQ0[7:0] */
+			.dq1 = { 12, 13, 14, 15, 11, 10, 9,  8  }, /* DDR0_DQ1[7:0] */
 		},
-		[1] = {
-			{ 0,  7,  1,  6,  2,  5,  3,  4, }, /* DDR1_DQ0[7:0] */
-			{ 8,  15, 14,  9, 12, 10, 13, 11 }, /* DDR1_DQ1[7:0] */
+		.ddr1 = {
+			.dq0 = { 0,  7,  1,  6,  2,  5,  3,  4, }, /* DDR1_DQ0[7:0] */
+			.dq1 = { 8,  15, 14,  9, 12, 10, 13, 11 }, /* DDR1_DQ1[7:0] */
 		},
-		[2] = {
-			{ 2,  3,  0,  1,  4,  5,  6,  7, }, /* DDR2_DQ0[7:0] */
-			{ 12, 13, 15, 14, 11, 10, 9,  8  }, /* DDR2_DQ1[7:0] */
+		.ddr2 = {
+			.dq0 = { 2,  3,  0,  1,  4,  5,  6,  7, }, /* DDR2_DQ0[7:0] */
+			.dq1 = { 12, 13, 15, 14, 11, 10, 9,  8  }, /* DDR2_DQ1[7:0] */
 		},
-		[3] = {
-			{ 7,  0,  1,  6,  5,  4,  2,  3, }, /* DDR3_DQ0[7:0] */
-			{ 15, 14,  8,  9, 10, 13, 11, 12 }, /* DDR3_DQ1[7:0] */
+		.ddr3 = {
+			.dq0 = { 7,  0,  1,  6,  5,  4,  2,  3, }, /* DDR3_DQ0[7:0] */
+			.dq1 = { 15, 14,  8,  9, 10, 13, 11, 12 }, /* DDR3_DQ1[7:0] */
 		},
-		[4] = {
-			{ 4,  5,  2,  3,  7,  6,  0,  1, }, /* DDR4_DQ0[7:0] */
-			{ 12, 13, 15, 14, 11, 10, 8,  9  }, /* DDR4_DQ1[7:0] */
+		.ddr4 = {
+			.dq0 = { 4,  5,  2,  3,  7,  6,  0,  1, }, /* DDR4_DQ0[7:0] */
+			.dq1 = { 12, 13, 15, 14, 11, 10, 8,  9  }, /* DDR4_DQ1[7:0] */
 		},
-		[5] = {
-			{  3,  4,  2,  5,  0,  6,  1,  7, }, /* DDR5_DQ0[7:0] */
-			{  12, 13, 11, 10, 14, 15,  9,  8 }, /* DDR5_DQ1[7:0] */
+		.ddr5 = {
+			.dq0 = {  3,  4,  2,  5,  0,  6,  1,  7, }, /* DDR5_DQ0[7:0] */
+			.dq1 = {  12, 13, 11, 10, 14, 15,  9,  8 }, /* DDR5_DQ1[7:0] */
 		},
-		[6] = {
-			{  3,  2,  1,  0,  7,  4,  5,  6, }, /* DDR6_DQ0[7:0] */
-			{  15, 14, 13, 12,  8,  9, 10, 11 }, /* DDR6_DQ1[7:0] */
+		.ddr6 = {
+			.dq0 = {  3,  2,  1,  0,  7,  4,  5,  6, }, /* DDR6_DQ0[7:0] */
+			.dq1 = {  15, 14, 13, 12,  8,  9, 10, 11 }, /* DDR6_DQ1[7:0] */
 		},
-		[7] = {
-			{  2,  4,  3,  5,  1,  0,  7,  6, }, /* DDR7_DQ0[7:0] */
-			{  14, 15,  9,  8, 12, 10, 11, 13 }, /* DDR7_DQ1[7:0] */
+		.ddr7 = {
+			.dq0 = {  2,  4,  3,  5,  1,  0,  7,  6, }, /* DDR7_DQ0[7:0] */
+			.dq1 = {  14, 15,  9,  8, 12, 10, 11, 13 }, /* DDR7_DQ1[7:0] */
 		},
 	},
 
 	/* DQS CPU<>DRAM map */
-	.dqs_map = {
-		[0] = { 0, 1 },  /* DDR0_DQS[1:0] */
-		[1] = { 0, 1 },  /* DDR1_DQS[1:0] */
-		[2] = { 0, 1 },  /* DDR2_DQS[1:0] */
-		[3] = { 0, 1 },  /* DDR3_DQS[1:0] */
-		[4] = { 0, 1 },  /* DDR4_DQS[1:0] */
-		[5] = { 0, 1 },  /* DDR5_DQS[1:0] */
-		[6] = { 0, 1 },  /* DDR6_DQS[1:0] */
-		[7] = { 0, 1 },  /* DDR7_DQS[1:0] */
+	.lp4x_dqs_map = {
+		.ddr0 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR0_DQS[1:0] */
+		.ddr1 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR1_DQS[1:0] */
+		.ddr2 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR2_DQS[1:0] */
+		.ddr3 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR3_DQS[1:0] */
+		.ddr4 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR4_DQS[1:0] */
+		.ddr5 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR5_DQS[1:0] */
+		.ddr6 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR6_DQS[1:0] */
+		.ddr7 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR7_DQS[1:0] */
 	},
 
-	.ect = 1, /* Enable Early Command Training */
-};
-
-static const struct ddr_memory_cfg board_memcfg = {
-	.mem_type = MEMTYPE_LPDDR4X,
-	.lpddr4_cfg = &delbin_memcfg
+	.ect = true, /* Enable Early Command Training */
 };
 
-const struct ddr_memory_cfg *variant_memory_params(void)
+const struct mb_cfg *variant_memory_params(void)
 {
 	return &board_memcfg;
 }
diff --git a/src/mainboard/google/volteer/variants/eldrid/memory.c b/src/mainboard/google/volteer/variants/eldrid/memory.c
index 577734dbcf..04dbe4492e 100644
--- a/src/mainboard/google/volteer/variants/eldrid/memory.c
+++ b/src/mainboard/google/volteer/variants/eldrid/memory.c
@@ -4,16 +4,11 @@
 #include <baseboard/variants.h>
 #include <gpio.h>
 
-/*This mb_ddr4_cfg structure is intentionally left empty so that fields are left nil. */
-static const struct mb_ddr4_cfg eldrid_memcfg = {
+static const struct mb_cfg baseboard_memcfg = {
+	.type = MEM_TYPE_DDR4,
 };
 
-static const struct ddr_memory_cfg baseboard_memcfg = {
-	.mem_type = MEMTYPE_DDR4,
-	.ddr4_cfg = &eldrid_memcfg
-};
-
-const struct ddr_memory_cfg *variant_memory_params(void)
+const struct mb_cfg *variant_memory_params(void)
 {
 	return &baseboard_memcfg;
 }
diff --git a/src/mainboard/google/volteer/variants/elemi/memory.c b/src/mainboard/google/volteer/variants/elemi/memory.c
index 32b7abca17..8ec6996d11 100644
--- a/src/mainboard/google/volteer/variants/elemi/memory.c
+++ b/src/mainboard/google/volteer/variants/elemi/memory.c
@@ -4,16 +4,11 @@
 #include <baseboard/variants.h>
 #include <gpio.h>
 
-/*This mb_ddr4_cfg structure is intentionally left empty so that fields are left nil. */
-static const struct mb_ddr4_cfg elemi_memcfg = {
+static const struct mb_cfg baseboard_memcfg = {
+	.type = MEM_TYPE_DDR4,
 };
 
-static const struct ddr_memory_cfg baseboard_memcfg = {
-	.mem_type = MEMTYPE_DDR4,
-	.ddr4_cfg = &elemi_memcfg
-};
-
-const struct ddr_memory_cfg *variant_memory_params(void)
+const struct mb_cfg *variant_memory_params(void)
 {
 	return &baseboard_memcfg;
 }
diff --git a/src/mainboard/google/volteer/variants/halvor/memory.c b/src/mainboard/google/volteer/variants/halvor/memory.c
index edbb681a4e..ef039a4526 100644
--- a/src/mainboard/google/volteer/variants/halvor/memory.c
+++ b/src/mainboard/google/volteer/variants/halvor/memory.c
@@ -2,64 +2,61 @@
 
 #include <baseboard/variants.h>
 
-static const struct lpddr4x_cfg halvor_memcfg = {
+static const struct mb_cfg board_memcfg = {
+	.type = MEM_TYPE_LP4X,
+
 	/* DQ byte map */
-	.dq_map = {
-		[0] = {
-			{ 10, 12, 13,  9, 11,  8, 15, 14,}, /* DDR0_DQ0[7:0] */
-			{ 3,  0,  1,  5,  4,  7,  6,  2  }, /* DDR0_DQ1[7:0] */
+	.lp4x_dq_map = {
+		.ddr0 = {
+			.dq0 = { 10, 12, 13,  9, 11,  8, 15, 14,}, /* DDR0_DQ0[7:0] */
+			.dq1 = { 3,  0,  1,  5,  4,  7,  6,  2  }, /* DDR0_DQ1[7:0] */
 		},
-		[1] = {
-			{ 8, 10, 13,  9, 12, 15, 11, 14, }, /* DDR1_DQ0[7:0] */
-			{ 3,  5,  7,  2,  1,  0,  4,  6  }, /* DDR1_DQ1[7:0] */
+		.ddr1 = {
+			.dq0 = { 8, 10, 13,  9, 12, 15, 11, 14, }, /* DDR1_DQ0[7:0] */
+			.dq1 = { 3,  5,  7,  2,  1,  0,  4,  6  }, /* DDR1_DQ1[7:0] */
 		},
-		[2] = {
-			{ 1,  3,  0,  2,  5,  4,  7,  6, }, /* DDR2_DQ0[7:0] */
-			{ 15, 14, 12, 13, 8,  9, 10, 11  }, /* DDR2_DQ1[7:0] */
+		.ddr2 = {
+			.dq0 = { 1,  3,  0,  2,  5,  4,  7,  6, }, /* DDR2_DQ0[7:0] */
+			.dq1 = { 15, 14, 12, 13, 8,  9, 10, 11  }, /* DDR2_DQ1[7:0] */
 		},
-		[3] = {
-			{ 8,  9, 10, 11, 14, 12, 15, 13, }, /* DDR3_DQ0[7:0] */
-			{ 5,  6,  7,  4,  2,  3,  1,  0  }, /* DDR3_DQ1[7:0] */
+		.ddr3 = {
+			.dq0 = { 8,  9, 10, 11, 14, 12, 15, 13, }, /* DDR3_DQ0[7:0] */
+			.dq1 = { 5,  6,  7,  4,  2,  3,  1,  0  }, /* DDR3_DQ1[7:0] */
 		},
-		[4] = {
-			{ 9,  8, 10, 11, 12, 13, 14, 15, }, /* DDR4_DQ0[7:0] */
-			{ 6,  7,  4,  5,  0,  2,  1,  3  }, /* DDR4_DQ1[7:0] */
+		.ddr4 = {
+			.dq0 = { 9,  8, 10, 11, 12, 13, 14, 15, }, /* DDR4_DQ0[7:0] */
+			.dq1 = { 6,  7,  4,  5,  0,  2,  1,  3  }, /* DDR4_DQ1[7:0] */
 		},
-		[5] = {
-			{ 0,  1,  3,  2,  7,  4,  5,  6, }, /* DDR5_DQ0[7:0] */
-			{ 15, 14,  9, 12,  8, 13, 11, 10 }, /* DDR5_DQ1[7:0] */
+		.ddr5 = {
+			.dq0 = { 0,  1,  3,  2,  7,  4,  5,  6, }, /* DDR5_DQ0[7:0] */
+			.dq1 = { 15, 14,  9, 12,  8, 13, 11, 10 }, /* DDR5_DQ1[7:0] */
 		},
-		[6] = {
-			{ 7,  5,  3,  6,  1,  0,  4,  2, }, /* DDR6_DQ0[7:0] */
-			{ 12, 14, 15, 13,  8, 11,  9, 10 }, /* DDR6_DQ1[7:0] */
+		.ddr6 = {
+			.dq0 = { 7,  5,  3,  6,  1,  0,  4,  2, }, /* DDR6_DQ0[7:0] */
+			.dq1 = { 12, 14, 15, 13,  8, 11,  9, 10 }, /* DDR6_DQ1[7:0] */
 		},
-		[7] = {
-			{ 3,  7,  1,  6,  5,  4,  2,  0, }, /* DDR7_DQ0[7:0] */
-			{ 12, 11,  8, 14, 10,  9, 15, 13 }, /* DDR7_DQ1[7:0] */
+		.ddr7 = {
+			.dq0 = { 3,  7,  1,  6,  5,  4,  2,  0, }, /* DDR7_DQ0[7:0] */
+			.dq1 = { 12, 11,  8, 14, 10,  9, 15, 13 }, /* DDR7_DQ1[7:0] */
 		},
 	},
 
 	/* DQS CPU<>DRAM map */
-	.dqs_map = {
-		[0] = { 1, 0 },  /* DDR0_DQS[1:0] */
-		[1] = { 1, 0 },  /* DDR1_DQS[1:0] */
-		[2] = { 0, 1 },  /* DDR2_DQS[1:0] */
-		[3] = { 1, 0 },  /* DDR3_DQS[1:0] */
-		[4] = { 1, 0 },  /* DDR4_DQS[1:0] */
-		[5] = { 0, 1 },  /* DDR5_DQS[1:0] */
-		[6] = { 0, 1 },  /* DDR6_DQS[1:0] */
-		[7] = { 0, 1 },  /* DDR7_DQS[1:0] */
+	.lp4x_dqs_map = {
+		.ddr0 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR0_DQS[1:0] */
+		.ddr1 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR1_DQS[1:0] */
+		.ddr2 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR2_DQS[1:0] */
+		.ddr3 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR3_DQS[1:0] */
+		.ddr4 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR4_DQS[1:0] */
+		.ddr5 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR5_DQS[1:0] */
+		.ddr6 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR6_DQS[1:0] */
+		.ddr7 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR7_DQS[1:0] */
 	},
 
-	.ect = 1, /* Enable Early Command Training */
-};
-
-static const struct ddr_memory_cfg board_memcfg = {
-	.mem_type = MEMTYPE_LPDDR4X,
-	.lpddr4_cfg = &halvor_memcfg
+	.ect = true, /* Enable Early Command Training */
 };
 
-const struct ddr_memory_cfg *variant_memory_params(void)
+const struct mb_cfg *variant_memory_params(void)
 {
 	return &board_memcfg;
 }
diff --git a/src/mainboard/google/volteer/variants/lindar/memory.c b/src/mainboard/google/volteer/variants/lindar/memory.c
index 11bcf4ca89..f9350d1471 100644
--- a/src/mainboard/google/volteer/variants/lindar/memory.c
+++ b/src/mainboard/google/volteer/variants/lindar/memory.c
@@ -2,64 +2,60 @@
 
 #include <baseboard/variants.h>
 
-static const struct lpddr4x_cfg lindar_memcfg = {
-	/* DQ byte map */
-	.dq_map = {
-		[0] = {
-			{ 3,  1,  0,  2,  4,  6,  7,  5, }, /* DDR0_DQ0[7:0] */
-			{ 12, 13, 14, 15,  8,  9, 10, 11 }, /* DDR0_DQ1[7:0] */
+static const struct mb_cfg board_memcfg = {
+	.type = MEM_TYPE_LP4X,
+
+	.lp4x_dq_map = {
+		.ddr0 = {
+			.dq0 = { 3,  1,  0,  2,  4,  6,  7,  5, }, /* DDR0_DQ0[7:0] */
+			.dq1 = { 12, 13, 14, 15,  8,  9, 10, 11 }, /* DDR0_DQ1[7:0] */
 		},
-		[1] = {
-			{ 0,  7,  1,  6,  2,  4,  3,  5, }, /* DDR1_DQ0[7:0] */
-			{ 8,  15, 14,  9, 13, 10, 12, 11 }, /* DDR1_DQ1[7:0] */
+		.ddr1 = {
+			.dq0 = { 0,  7,  1,  6,  2,  4,  3,  5, }, /* DDR1_DQ0[7:0] */
+			.dq1 = { 8,  15, 14,  9, 13, 10, 12, 11 }, /* DDR1_DQ1[7:0] */
 		},
-		[2] = {
-			{ 3,  2,  0,  1,  4,  5,  6,  7, }, /* DDR2_DQ0[7:0] */
-			{ 12, 13, 15, 14,  8,  9, 10, 11 }, /* DDR2_DQ1[7:0] */
+		.ddr2 = {
+			.dq0 = { 3,  2,  0,  1,  4,  5,  6,  7, }, /* DDR2_DQ0[7:0] */
+			.dq1 = { 12, 13, 15, 14,  8,  9, 10, 11 }, /* DDR2_DQ1[7:0] */
 		},
-		[3] = {
-			{ 6,  0,  1,  7,  5,  4,  2,  3, }, /* DDR3_DQ0[7:0] */
-			{ 15, 14,  8,  9, 10, 12, 11, 13 }, /* DDR3_DQ1[7:0] */
+		.ddr3 = {
+			.dq0 = { 6,  0,  1,  7,  5,  4,  2,  3, }, /* DDR3_DQ0[7:0] */
+			.dq1 = { 15, 14,  8,  9, 10, 12, 11, 13 }, /* DDR3_DQ1[7:0] */
 		},
-		[4] = {
-			{ 5,  0,  1,  3,  4,  2,  7,  6, }, /* DDR4_DQ0[7:0] */
-			{ 11, 14, 13, 12,  8,  9, 15, 10 }, /* DDR4_DQ1[7:0] */
+		.ddr4 = {
+			.dq0 = { 5,  0,  1,  3,  4,  2,  7,  6, }, /* DDR4_DQ0[7:0] */
+			.dq1 = { 11, 14, 13, 12,  8,  9, 15, 10 }, /* DDR4_DQ1[7:0] */
 		},
-		[5] = {
-			{  3,  4,  2,  5,  0,  6,  1,  7, }, /* DDR5_DQ0[7:0] */
-			{  13, 12, 11, 10, 14, 15,  9,  8 }, /* DDR5_DQ1[7:0] */
+		.ddr5 = {
+			.dq0 = {  3,  4,  2,  5,  0,  6,  1,  7, }, /* DDR5_DQ0[7:0] */
+			.dq1 = {  13, 12, 11, 10, 14, 15,  9,  8 }, /* DDR5_DQ1[7:0] */
 		},
-		[6] = {
-			{  3,  2,  1,  0,  5,  4,  7,  6, }, /* DDR6_DQ0[7:0] */
-			{  12, 13, 15, 14,  8, 11,  9, 10 }, /* DDR6_DQ1[7:0] */
+		.ddr6 = {
+			.dq0 = {  3,  2,  1,  0,  5,  4,  7,  6, }, /* DDR6_DQ0[7:0] */
+			.dq1 = {  12, 13, 15, 14,  8, 11,  9, 10 }, /* DDR6_DQ1[7:0] */
 		},
-		[7] = {
-			{  3,  4,  2,  5,  1,  0,  7,  6, }, /* DDR7_DQ0[7:0] */
-			{  15, 14,  9,  8, 12, 10, 11, 13 }, /* DDR7_DQ1[7:0] */
+		.ddr7 = {
+			.dq0 = {  3,  4,  2,  5,  1,  0,  7,  6, }, /* DDR7_DQ0[7:0] */
+			.dq1 = {  15, 14,  9,  8, 12, 10, 11, 13 }, /* DDR7_DQ1[7:0] */
 		},
 	},
 
 	/* DQS CPU<>DRAM map */
-	.dqs_map = {
-		[0] = { 0, 1 },  /* DDR0_DQS[1:0] */
-		[1] = { 0, 1 },  /* DDR1_DQS[1:0] */
-		[2] = { 0, 1 },  /* DDR2_DQS[1:0] */
-		[3] = { 0, 1 },  /* DDR3_DQS[1:0] */
-		[4] = { 0, 1 },  /* DDR4_DQS[1:0] */
-		[5] = { 0, 1 },  /* DDR5_DQS[1:0] */
-		[6] = { 0, 1 },  /* DDR6_DQS[1:0] */
-		[7] = { 0, 1 },  /* DDR7_DQS[1:0] */
+	.lp4x_dqs_map = {
+		.ddr0 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR0_DQS[1:0] */
+		.ddr1 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR1_DQS[1:0] */
+		.ddr2 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR2_DQS[1:0] */
+		.ddr3 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR3_DQS[1:0] */
+		.ddr4 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR4_DQS[1:0] */
+		.ddr5 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR5_DQS[1:0] */
+		.ddr6 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR6_DQS[1:0] */
+		.ddr7 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR7_DQS[1:0] */
 	},
 
-	.ect = 1, /* Enable Early Command Training */
-};
-
-static const struct ddr_memory_cfg board_memcfg = {
-	.mem_type = MEMTYPE_LPDDR4X,
-	.lpddr4_cfg = &lindar_memcfg
+	.ect = true, /* Enable Early Command Training */
 };
 
-const struct ddr_memory_cfg *variant_memory_params(void)
+const struct mb_cfg *variant_memory_params(void)
 {
 	return &board_memcfg;
 }
diff --git a/src/mainboard/google/volteer/variants/malefor/memory.c b/src/mainboard/google/volteer/variants/malefor/memory.c
index 2c879e09b4..f9350d1471 100644
--- a/src/mainboard/google/volteer/variants/malefor/memory.c
+++ b/src/mainboard/google/volteer/variants/malefor/memory.c
@@ -2,64 +2,60 @@
 
 #include <baseboard/variants.h>
 
-static const struct lpddr4x_cfg malefor_memcfg = {
-	/* DQ byte map */
-	.dq_map = {
-		[0] = {
-			{ 3,  1,  0,  2,  4,  6,  7,  5, }, /* DDR0_DQ0[7:0] */
-			{ 12, 13, 14, 15,  8,  9, 10, 11 }, /* DDR0_DQ1[7:0] */
+static const struct mb_cfg board_memcfg = {
+	.type = MEM_TYPE_LP4X,
+
+	.lp4x_dq_map = {
+		.ddr0 = {
+			.dq0 = { 3,  1,  0,  2,  4,  6,  7,  5, }, /* DDR0_DQ0[7:0] */
+			.dq1 = { 12, 13, 14, 15,  8,  9, 10, 11 }, /* DDR0_DQ1[7:0] */
 		},
-		[1] = {
-			{ 0,  7,  1,  6,  2,  4,  3,  5, }, /* DDR1_DQ0[7:0] */
-			{ 8,  15, 14,  9, 13, 10, 12, 11 }, /* DDR1_DQ1[7:0] */
+		.ddr1 = {
+			.dq0 = { 0,  7,  1,  6,  2,  4,  3,  5, }, /* DDR1_DQ0[7:0] */
+			.dq1 = { 8,  15, 14,  9, 13, 10, 12, 11 }, /* DDR1_DQ1[7:0] */
 		},
-		[2] = {
-			{ 3,  2,  0,  1,  4,  5,  6,  7, }, /* DDR2_DQ0[7:0] */
-			{ 12, 13, 15, 14,  8,  9, 10, 11 }, /* DDR2_DQ1[7:0] */
+		.ddr2 = {
+			.dq0 = { 3,  2,  0,  1,  4,  5,  6,  7, }, /* DDR2_DQ0[7:0] */
+			.dq1 = { 12, 13, 15, 14,  8,  9, 10, 11 }, /* DDR2_DQ1[7:0] */
 		},
-		[3] = {
-			{ 6,  0,  1,  7,  5,  4,  2,  3, }, /* DDR3_DQ0[7:0] */
-			{ 15, 14,  8,  9, 10, 12, 11, 13 }, /* DDR3_DQ1[7:0] */
+		.ddr3 = {
+			.dq0 = { 6,  0,  1,  7,  5,  4,  2,  3, }, /* DDR3_DQ0[7:0] */
+			.dq1 = { 15, 14,  8,  9, 10, 12, 11, 13 }, /* DDR3_DQ1[7:0] */
 		},
-		[4] = {
-			{ 5,  0,  1,  3,  4,  2,  7,  6, }, /* DDR4_DQ0[7:0] */
-			{ 11, 14, 13, 12,  8,  9, 15, 10 }, /* DDR4_DQ1[7:0] */
+		.ddr4 = {
+			.dq0 = { 5,  0,  1,  3,  4,  2,  7,  6, }, /* DDR4_DQ0[7:0] */
+			.dq1 = { 11, 14, 13, 12,  8,  9, 15, 10 }, /* DDR4_DQ1[7:0] */
 		},
-		[5] = {
-			{  3,  4,  2,  5,  0,  6,  1,  7, }, /* DDR5_DQ0[7:0] */
-			{  13, 12, 11, 10, 14, 15,  9,  8 }, /* DDR5_DQ1[7:0] */
+		.ddr5 = {
+			.dq0 = {  3,  4,  2,  5,  0,  6,  1,  7, }, /* DDR5_DQ0[7:0] */
+			.dq1 = {  13, 12, 11, 10, 14, 15,  9,  8 }, /* DDR5_DQ1[7:0] */
 		},
-		[6] = {
-			{  3,  2,  1,  0,  5,  4,  7,  6, }, /* DDR6_DQ0[7:0] */
-			{  12, 13, 15, 14,  8, 11,  9, 10 }, /* DDR6_DQ1[7:0] */
+		.ddr6 = {
+			.dq0 = {  3,  2,  1,  0,  5,  4,  7,  6, }, /* DDR6_DQ0[7:0] */
+			.dq1 = {  12, 13, 15, 14,  8, 11,  9, 10 }, /* DDR6_DQ1[7:0] */
 		},
-		[7] = {
-			{  3,  4,  2,  5,  1,  0,  7,  6, }, /* DDR7_DQ0[7:0] */
-			{  15, 14,  9,  8, 12, 10, 11, 13 }, /* DDR7_DQ1[7:0] */
+		.ddr7 = {
+			.dq0 = {  3,  4,  2,  5,  1,  0,  7,  6, }, /* DDR7_DQ0[7:0] */
+			.dq1 = {  15, 14,  9,  8, 12, 10, 11, 13 }, /* DDR7_DQ1[7:0] */
 		},
 	},
 
 	/* DQS CPU<>DRAM map */
-	.dqs_map = {
-		[0] = { 0, 1 },  /* DDR0_DQS[1:0] */
-		[1] = { 0, 1 },  /* DDR1_DQS[1:0] */
-		[2] = { 0, 1 },  /* DDR2_DQS[1:0] */
-		[3] = { 0, 1 },  /* DDR3_DQS[1:0] */
-		[4] = { 0, 1 },  /* DDR4_DQS[1:0] */
-		[5] = { 0, 1 },  /* DDR5_DQS[1:0] */
-		[6] = { 0, 1 },  /* DDR6_DQS[1:0] */
-		[7] = { 0, 1 },  /* DDR7_DQS[1:0] */
+	.lp4x_dqs_map = {
+		.ddr0 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR0_DQS[1:0] */
+		.ddr1 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR1_DQS[1:0] */
+		.ddr2 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR2_DQS[1:0] */
+		.ddr3 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR3_DQS[1:0] */
+		.ddr4 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR4_DQS[1:0] */
+		.ddr5 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR5_DQS[1:0] */
+		.ddr6 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR6_DQS[1:0] */
+		.ddr7 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR7_DQS[1:0] */
 	},
 
-	.ect = 1, /* Enable Early Command Training */
-};
-
-static const struct ddr_memory_cfg board_memcfg = {
-	.mem_type = MEMTYPE_LPDDR4X,
-	.lpddr4_cfg = &malefor_memcfg
+	.ect = true, /* Enable Early Command Training */
 };
 
-const struct ddr_memory_cfg *variant_memory_params(void)
+const struct mb_cfg *variant_memory_params(void)
 {
 	return &board_memcfg;
 }
diff --git a/src/mainboard/google/volteer/variants/terrador/memory.c b/src/mainboard/google/volteer/variants/terrador/memory.c
index 7d95658891..b4414d4019 100644
--- a/src/mainboard/google/volteer/variants/terrador/memory.c
+++ b/src/mainboard/google/volteer/variants/terrador/memory.c
@@ -2,64 +2,61 @@
 
 #include <baseboard/variants.h>
 
-static const struct lpddr4x_cfg terrador_memcfg = {
+static const struct mb_cfg board_memcfg = {
+	.type = MEM_TYPE_LP4X,
+
 	/* DQ byte map */
-	.dq_map = {
-		[0] = {
-			{ 7,  3,  1,  4,  0,  5,  2,  6, }, /* DDR0_DQ0[7:0] */
-			{ 13, 14, 8,  10, 9,  15, 11, 12 }, /* DDR0_DQ1[7:0] */
+	.lp4x_dq_map = {
+		.ddr0 = {
+			.dq0 = { 7,  3,  1,  4,  0,  5,  2,  6, }, /* DDR0_DQ0[7:0] */
+			.dq1 = { 13, 14, 8,  10, 9,  15, 11, 12 }, /* DDR0_DQ1[7:0] */
 		},
-		[1] = {
-			{ 1,  2,  7,  6,  3,  5,  4,  0, }, /* DDR1_DQ0[7:0] */
-			{ 14, 15, 13, 10,  8, 11, 12, 9  }, /* DDR1_DQ1[7:0] */
+		.ddr1 = {
+			.dq0 = { 1,  2,  7,  6,  3,  5,  4,  0, }, /* DDR1_DQ0[7:0] */
+			.dq1 = { 14, 15, 13, 10,  8, 11, 12, 9  }, /* DDR1_DQ1[7:0] */
 		},
-		[2] = {
-			{ 11, 15, 10, 9,  8, 12, 13, 14, }, /* DDR2_DQ0[7:0] */
-			{ 5,  6,  4,  0,  7,  2,  3,  1  }, /* DDR2_DQ1[7:0] */
+		.ddr2 = {
+			.dq0 = { 11, 15, 10, 9,  8, 12, 13, 14, }, /* DDR2_DQ0[7:0] */
+			.dq1 = { 5,  6,  4,  0,  7,  2,  3,  1  }, /* DDR2_DQ1[7:0] */
 		},
-		[3] = {
-			{ 11, 15, 10, 9, 13, 12, 14,  8, }, /* DDR3_DQ0[7:0] */
-			{ 0,  5,  6,  4,  1,  2,  7,  3  }, /* DDR3_DQ1[7:0] */
+		.ddr3 = {
+			.dq0 = { 11, 15, 10, 9, 13, 12, 14,  8, }, /* DDR3_DQ0[7:0] */
+			.dq1 = { 0,  5,  6,  4,  1,  2,  7,  3  }, /* DDR3_DQ1[7:0] */
 		},
-		[4] = {
-			{ 7,  2,  3,  1,  4,  0,  5,  6, }, /* DDR4_DQ0[7:0] */
-			{ 13, 14,  8, 12, 10,  9, 15, 11 }, /* DDR4_DQ1[7:0] */
+		.ddr4 = {
+			.dq0 = { 7,  2,  3,  1,  4,  0,  5,  6, }, /* DDR4_DQ0[7:0] */
+			.dq1 = { 13, 14,  8, 12, 10,  9, 15, 11 }, /* DDR4_DQ1[7:0] */
 		},
-		[5] = {
-			{ 7,  3,  2,  1,  6,  4,  0,  5, }, /* DDR5_DQ0[7:0] */
-			{ 15, 14, 12, 8, 11, 13,  9,  10 }, /* DDR5_DQ1[7:0] */
+		.ddr5 = {
+			.dq0 = { 7,  3,  2,  1,  6,  4,  0,  5, }, /* DDR5_DQ0[7:0] */
+			.dq1 = { 15, 14, 12, 8, 11, 13,  9,  10 }, /* DDR5_DQ1[7:0] */
 		},
-		[6] = {
-			{ 11, 10, 15, 12, 8,  9, 14, 13, }, /* DDR6_DQ0[7:0] */
-			{ 6,  0,  5,  4,  3,  2,  7,  1  }, /* DDR6_DQ1[7:0] */
+		.ddr6 = {
+			.dq0 = { 11, 10, 15, 12, 8,  9, 14, 13, }, /* DDR6_DQ0[7:0] */
+			.dq1 = { 6,  0,  5,  4,  3,  2,  7,  1  }, /* DDR6_DQ1[7:0] */
 		},
-		[7] = {
-			{ 9, 10, 11,  8, 12, 14, 13, 15, }, /* DDR7_DQ0[7:0] */
-			{ 0,  5,  4,  7,  1,  6,  3,  2  }, /* DDR7_DQ1[7:0] */
+		.ddr7 = {
+			.dq0 = { 9, 10, 11,  8, 12, 14, 13, 15, }, /* DDR7_DQ0[7:0] */
+			.dq1 = { 0,  5,  4,  7,  1,  6,  3,  2  }, /* DDR7_DQ1[7:0] */
 		},
 	},
 
 	/* DQS CPU<>DRAM map */
-	.dqs_map = {
-		[0] = { 0, 1 },  /* DDR0_DQS[1:0] */
-		[1] = { 0, 1 },  /* DDR1_DQS[1:0] */
-		[2] = { 1, 0 },  /* DDR2_DQS[1:0] */
-		[3] = { 1, 0 },  /* DDR3_DQS[1:0] */
-		[4] = { 0, 1 },  /* DDR4_DQS[1:0] */
-		[5] = { 0, 1 },  /* DDR5_DQS[1:0] */
-		[6] = { 1, 0 },  /* DDR6_DQS[1:0] */
-		[7] = { 1, 0 },  /* DDR7_DQS[1:0] */
+	.lp4x_dqs_map = {
+		.ddr0 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR0_DQS[1:0] */
+		.ddr1 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR1_DQS[1:0] */
+		.ddr2 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR2_DQS[1:0] */
+		.ddr3 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR3_DQS[1:0] */
+		.ddr4 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR4_DQS[1:0] */
+		.ddr5 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR5_DQS[1:0] */
+		.ddr6 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR6_DQS[1:0] */
+		.ddr7 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR7_DQS[1:0] */
 	},
 
-	.ect = 1, /* Enable Early Command Training */
-};
-
-static const struct ddr_memory_cfg board_memcfg = {
-	.mem_type = MEMTYPE_LPDDR4X,
-	.lpddr4_cfg = &terrador_memcfg
+	.ect = true, /* Enable Early Command Training */
 };
 
-const struct ddr_memory_cfg *variant_memory_params(void)
+const struct mb_cfg *variant_memory_params(void)
 {
 	return &board_memcfg;
 }
diff --git a/src/mainboard/google/volteer/variants/todor/memory.c b/src/mainboard/google/volteer/variants/todor/memory.c
index c8b4ab4e3c..b4414d4019 100644
--- a/src/mainboard/google/volteer/variants/todor/memory.c
+++ b/src/mainboard/google/volteer/variants/todor/memory.c
@@ -2,64 +2,61 @@
 
 #include <baseboard/variants.h>
 
-static const struct lpddr4x_cfg todor_memcfg = {
+static const struct mb_cfg board_memcfg = {
+	.type = MEM_TYPE_LP4X,
+
 	/* DQ byte map */
-	.dq_map = {
-		[0] = {
-			{ 7,  3,  1,  4,  0,  5,  2,  6, }, /* DDR0_DQ0[7:0] */
-			{ 13, 14, 8,  10, 9,  15, 11, 12 }, /* DDR0_DQ1[7:0] */
+	.lp4x_dq_map = {
+		.ddr0 = {
+			.dq0 = { 7,  3,  1,  4,  0,  5,  2,  6, }, /* DDR0_DQ0[7:0] */
+			.dq1 = { 13, 14, 8,  10, 9,  15, 11, 12 }, /* DDR0_DQ1[7:0] */
 		},
-		[1] = {
-			{ 1,  2,  7,  6,  3,  5,  4,  0, }, /* DDR1_DQ0[7:0] */
-			{ 14, 15, 13, 10,  8, 11, 12, 9  }, /* DDR1_DQ1[7:0] */
+		.ddr1 = {
+			.dq0 = { 1,  2,  7,  6,  3,  5,  4,  0, }, /* DDR1_DQ0[7:0] */
+			.dq1 = { 14, 15, 13, 10,  8, 11, 12, 9  }, /* DDR1_DQ1[7:0] */
 		},
-		[2] = {
-			{ 11, 15, 10, 9,  8, 12, 13, 14, }, /* DDR2_DQ0[7:0] */
-			{ 5,  6,  4,  0,  7,  2,  3,  1  }, /* DDR2_DQ1[7:0] */
+		.ddr2 = {
+			.dq0 = { 11, 15, 10, 9,  8, 12, 13, 14, }, /* DDR2_DQ0[7:0] */
+			.dq1 = { 5,  6,  4,  0,  7,  2,  3,  1  }, /* DDR2_DQ1[7:0] */
 		},
-		[3] = {
-			{ 11, 15, 10, 9, 13, 12, 14,  8, }, /* DDR3_DQ0[7:0] */
-			{ 0,  5,  6,  4,  1,  2,  7,  3  }, /* DDR3_DQ1[7:0] */
+		.ddr3 = {
+			.dq0 = { 11, 15, 10, 9, 13, 12, 14,  8, }, /* DDR3_DQ0[7:0] */
+			.dq1 = { 0,  5,  6,  4,  1,  2,  7,  3  }, /* DDR3_DQ1[7:0] */
 		},
-		[4] = {
-			{ 7,  2,  3,  1,  4,  0,  5,  6, }, /* DDR4_DQ0[7:0] */
-			{ 13, 14,  8, 12, 10,  9, 15, 11 }, /* DDR4_DQ1[7:0] */
+		.ddr4 = {
+			.dq0 = { 7,  2,  3,  1,  4,  0,  5,  6, }, /* DDR4_DQ0[7:0] */
+			.dq1 = { 13, 14,  8, 12, 10,  9, 15, 11 }, /* DDR4_DQ1[7:0] */
 		},
-		[5] = {
-			{ 7,  3,  2,  1,  6,  4,  0,  5, }, /* DDR5_DQ0[7:0] */
-			{ 15, 14, 12, 8, 11, 13,  9,  10 }, /* DDR5_DQ1[7:0] */
+		.ddr5 = {
+			.dq0 = { 7,  3,  2,  1,  6,  4,  0,  5, }, /* DDR5_DQ0[7:0] */
+			.dq1 = { 15, 14, 12, 8, 11, 13,  9,  10 }, /* DDR5_DQ1[7:0] */
 		},
-		[6] = {
-			{ 11, 10, 15, 12, 8,  9, 14, 13, }, /* DDR6_DQ0[7:0] */
-			{ 6,  0,  5,  4,  3,  2,  7,  1  }, /* DDR6_DQ1[7:0] */
+		.ddr6 = {
+			.dq0 = { 11, 10, 15, 12, 8,  9, 14, 13, }, /* DDR6_DQ0[7:0] */
+			.dq1 = { 6,  0,  5,  4,  3,  2,  7,  1  }, /* DDR6_DQ1[7:0] */
 		},
-		[7] = {
-			{ 9, 10, 11,  8, 12, 14, 13, 15, }, /* DDR7_DQ0[7:0] */
-			{ 0,  5,  4,  7,  1,  6,  3,  2  }, /* DDR7_DQ1[7:0] */
+		.ddr7 = {
+			.dq0 = { 9, 10, 11,  8, 12, 14, 13, 15, }, /* DDR7_DQ0[7:0] */
+			.dq1 = { 0,  5,  4,  7,  1,  6,  3,  2  }, /* DDR7_DQ1[7:0] */
 		},
 	},
 
 	/* DQS CPU<>DRAM map */
-	.dqs_map = {
-		[0] = { 0, 1 },  /* DDR0_DQS[1:0] */
-		[1] = { 0, 1 },  /* DDR1_DQS[1:0] */
-		[2] = { 1, 0 },  /* DDR2_DQS[1:0] */
-		[3] = { 1, 0 },  /* DDR3_DQS[1:0] */
-		[4] = { 0, 1 },  /* DDR4_DQS[1:0] */
-		[5] = { 0, 1 },  /* DDR5_DQS[1:0] */
-		[6] = { 1, 0 },  /* DDR6_DQS[1:0] */
-		[7] = { 1, 0 },  /* DDR7_DQS[1:0] */
+	.lp4x_dqs_map = {
+		.ddr0 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR0_DQS[1:0] */
+		.ddr1 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR1_DQS[1:0] */
+		.ddr2 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR2_DQS[1:0] */
+		.ddr3 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR3_DQS[1:0] */
+		.ddr4 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR4_DQS[1:0] */
+		.ddr5 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR5_DQS[1:0] */
+		.ddr6 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR6_DQS[1:0] */
+		.ddr7 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR7_DQS[1:0] */
 	},
 
-	.ect = 1, /* Enable Early Command Training */
-};
-
-static const struct ddr_memory_cfg board_memcfg = {
-	.mem_type = MEMTYPE_LPDDR4X,
-	.lpddr4_cfg = &todor_memcfg
+	.ect = true, /* Enable Early Command Training */
 };
 
-const struct ddr_memory_cfg *variant_memory_params(void)
+const struct mb_cfg *variant_memory_params(void)
 {
 	return &board_memcfg;
 }
diff --git a/src/mainboard/google/volteer/variants/voema/memory.c b/src/mainboard/google/volteer/variants/voema/memory.c
index b611af5161..b4414d4019 100644
--- a/src/mainboard/google/volteer/variants/voema/memory.c
+++ b/src/mainboard/google/volteer/variants/voema/memory.c
@@ -2,64 +2,61 @@
 
 #include <baseboard/variants.h>
 
-static const struct lpddr4x_cfg voema_memcfg = {
+static const struct mb_cfg board_memcfg = {
+	.type = MEM_TYPE_LP4X,
+
 	/* DQ byte map */
-	.dq_map = {
-		[0] = {
-			{ 7,  3,  1,  4,  0,  5,  2,  6, }, /* DDR0_DQ0[7:0] */
-			{ 13, 14, 8,  10, 9,  15, 11, 12 }, /* DDR0_DQ1[7:0] */
+	.lp4x_dq_map = {
+		.ddr0 = {
+			.dq0 = { 7,  3,  1,  4,  0,  5,  2,  6, }, /* DDR0_DQ0[7:0] */
+			.dq1 = { 13, 14, 8,  10, 9,  15, 11, 12 }, /* DDR0_DQ1[7:0] */
 		},
-		[1] = {
-			{ 1,  2,  7,  6,  3,  5,  4,  0, }, /* DDR1_DQ0[7:0] */
-			{ 14, 15, 13, 10,  8, 11, 12, 9  }, /* DDR1_DQ1[7:0] */
+		.ddr1 = {
+			.dq0 = { 1,  2,  7,  6,  3,  5,  4,  0, }, /* DDR1_DQ0[7:0] */
+			.dq1 = { 14, 15, 13, 10,  8, 11, 12, 9  }, /* DDR1_DQ1[7:0] */
 		},
-		[2] = {
-			{ 11, 15, 10, 9,  8, 12, 13, 14, }, /* DDR2_DQ0[7:0] */
-			{ 5,  6,  4,  0,  7,  2,  3,  1  }, /* DDR2_DQ1[7:0] */
+		.ddr2 = {
+			.dq0 = { 11, 15, 10, 9,  8, 12, 13, 14, }, /* DDR2_DQ0[7:0] */
+			.dq1 = { 5,  6,  4,  0,  7,  2,  3,  1  }, /* DDR2_DQ1[7:0] */
 		},
-		[3] = {
-			{ 11, 15, 10, 9, 13, 12, 14,  8, }, /* DDR3_DQ0[7:0] */
-			{ 0,  5,  6,  4,  1,  2,  7,  3  }, /* DDR3_DQ1[7:0] */
+		.ddr3 = {
+			.dq0 = { 11, 15, 10, 9, 13, 12, 14,  8, }, /* DDR3_DQ0[7:0] */
+			.dq1 = { 0,  5,  6,  4,  1,  2,  7,  3  }, /* DDR3_DQ1[7:0] */
 		},
-		[4] = {
-			{ 7,  2,  3,  1,  4,  0,  5,  6, }, /* DDR4_DQ0[7:0] */
-			{ 13, 14,  8, 12, 10,  9, 15, 11 }, /* DDR4_DQ1[7:0] */
+		.ddr4 = {
+			.dq0 = { 7,  2,  3,  1,  4,  0,  5,  6, }, /* DDR4_DQ0[7:0] */
+			.dq1 = { 13, 14,  8, 12, 10,  9, 15, 11 }, /* DDR4_DQ1[7:0] */
 		},
-		[5] = {
-			{ 7,  3,  2,  1,  6,  4,  0,  5, }, /* DDR5_DQ0[7:0] */
-			{ 15, 14, 12, 8, 11, 13,  9,  10 }, /* DDR5_DQ1[7:0] */
+		.ddr5 = {
+			.dq0 = { 7,  3,  2,  1,  6,  4,  0,  5, }, /* DDR5_DQ0[7:0] */
+			.dq1 = { 15, 14, 12, 8, 11, 13,  9,  10 }, /* DDR5_DQ1[7:0] */
 		},
-		[6] = {
-			{ 11, 10, 15, 12, 8,  9, 14, 13, }, /* DDR6_DQ0[7:0] */
-			{ 6,  0,  5,  4,  3,  2,  7,  1  }, /* DDR6_DQ1[7:0] */
+		.ddr6 = {
+			.dq0 = { 11, 10, 15, 12, 8,  9, 14, 13, }, /* DDR6_DQ0[7:0] */
+			.dq1 = { 6,  0,  5,  4,  3,  2,  7,  1  }, /* DDR6_DQ1[7:0] */
 		},
-		[7] = {
-			{ 9, 10, 11,  8, 12, 14, 13, 15, }, /* DDR7_DQ0[7:0] */
-			{ 0,  5,  4,  7,  1,  6,  3,  2  }, /* DDR7_DQ1[7:0] */
+		.ddr7 = {
+			.dq0 = { 9, 10, 11,  8, 12, 14, 13, 15, }, /* DDR7_DQ0[7:0] */
+			.dq1 = { 0,  5,  4,  7,  1,  6,  3,  2  }, /* DDR7_DQ1[7:0] */
 		},
 	},
 
 	/* DQS CPU<>DRAM map */
-	.dqs_map = {
-		[0] = { 0, 1 },  /* DDR0_DQS[1:0] */
-		[1] = { 0, 1 },  /* DDR1_DQS[1:0] */
-		[2] = { 1, 0 },  /* DDR2_DQS[1:0] */
-		[3] = { 1, 0 },  /* DDR3_DQS[1:0] */
-		[4] = { 0, 1 },  /* DDR4_DQS[1:0] */
-		[5] = { 0, 1 },  /* DDR5_DQS[1:0] */
-		[6] = { 1, 0 },  /* DDR6_DQS[1:0] */
-		[7] = { 1, 0 },  /* DDR7_DQS[1:0] */
+	.lp4x_dqs_map = {
+		.ddr0 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR0_DQS[1:0] */
+		.ddr1 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR1_DQS[1:0] */
+		.ddr2 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR2_DQS[1:0] */
+		.ddr3 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR3_DQS[1:0] */
+		.ddr4 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR4_DQS[1:0] */
+		.ddr5 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR5_DQS[1:0] */
+		.ddr6 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR6_DQS[1:0] */
+		.ddr7 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR7_DQS[1:0] */
 	},
 
-	.ect = 1, /* Enable Early Command Training */
-};
-
-static const struct ddr_memory_cfg board_memcfg = {
-	.mem_type = MEMTYPE_LPDDR4X,
-	.lpddr4_cfg = &voema_memcfg
+	.ect = true, /* Enable Early Command Training */
 };
 
-const struct ddr_memory_cfg *variant_memory_params(void)
+const struct mb_cfg *variant_memory_params(void)
 {
 	return &board_memcfg;
 }
diff --git a/src/mainboard/google/volteer/variants/voxel/memory.c b/src/mainboard/google/volteer/variants/voxel/memory.c
index 40b108660d..fe2b2b1999 100644
--- a/src/mainboard/google/volteer/variants/voxel/memory.c
+++ b/src/mainboard/google/volteer/variants/voxel/memory.c
@@ -2,64 +2,61 @@
 
 #include <baseboard/variants.h>
 
-static const struct lpddr4x_cfg voxel_memcfg = {
+static const struct mb_cfg board_memcfg = {
+	.type = MEM_TYPE_LP4X,
+
 	/* DQ byte map */
-	.dq_map = {
-		[0] = {
-			{ 3,  0,  1,  2,  6,  7,  5,  4, }, /* DDR0_DQ0[7:0] */
-			{ 12, 15, 14,  13, 8,  9, 10, 11 }, /* DDR0_DQ1[7:0] */
+	.lp4x_dq_map = {
+		.ddr0 = {
+			.dq0 = { 3,  0,  1,  2,  6,  7,  5,  4, }, /* DDR0_DQ0[7:0] */
+			.dq1 = { 12, 15, 14,  13, 8,  9, 10, 11 }, /* DDR0_DQ1[7:0] */
 		},
-		[1] = {
-			{ 12,  15,  13,  14,  10,  8,  11,  9, }, /* DDR1_DQ0[7:0] */
-			{ 5, 6, 7, 4,  0, 3, 1, 2  }, /* DDR1_DQ1[7:0] */
+		.ddr1 = {
+			.dq0 = { 12,  15,  13,  14,  10,  8,  11,  9, }, /* DDR1_DQ0[7:0] */
+			.dq1 = { 5, 6, 7, 4,  0, 3, 1, 2  }, /* DDR1_DQ1[7:0] */
 		},
-		[2] = {
-			{ 2, 3, 0, 1,  7, 6, 5, 4, }, /* DDR2_DQ0[7:0] */
-			{ 12,  14,  15,  13,  10,  9,  8,  11  }, /* DDR2_DQ1[7:0] */
+		.ddr2 = {
+			.dq0 = { 2, 3, 0, 1,  7, 6, 5, 4, }, /* DDR2_DQ0[7:0] */
+			.dq1 = { 12,  14,  15,  13,  10,  9,  8,  11  }, /* DDR2_DQ1[7:0] */
 		},
-		[3] = {
-			{ 15, 12, 13, 14, 8, 9, 10,  11, }, /* DDR3_DQ0[7:0] */
-			{ 7,  6,  4,  5,  2,  0,  3,  1  }, /* DDR3_DQ1[7:0] */
+		.ddr3 = {
+			.dq0 = { 15, 12, 13, 14, 8, 9, 10,  11, }, /* DDR3_DQ0[7:0] */
+			.dq1 = { 7,  6,  4,  5,  2,  0,  3,  1  }, /* DDR3_DQ1[7:0] */
 		},
-		[4] = {
-			{ 6,  5,  4,  7,  0,  3,  2,  1, }, /* DDR4_DQ0[7:0] */
-			{ 15, 14,  13, 12, 11,  8, 9, 10 }, /* DDR4_DQ1[7:0] */
+		.ddr4 = {
+			.dq0 = { 6,  5,  4,  7,  0,  3,  2,  1, }, /* DDR4_DQ0[7:0] */
+			.dq1 = { 15, 14,  13, 12, 11,  8, 9, 10 }, /* DDR4_DQ1[7:0] */
 		},
-		[5] = {
-			{ 11,  9,  10,  8,  12,  14,  13,  15, }, /* DDR5_DQ0[7:0] */
-			{ 1, 0, 2, 3, 6, 7,  5,  4 }, /* DDR5_DQ1[7:0] */
+		.ddr5 = {
+			.dq0 = { 11,  9,  10,  8,  12,  14,  13,  15, }, /* DDR5_DQ0[7:0] */
+			.dq1 = { 1, 0, 2, 3, 6, 7,  5,  4 }, /* DDR5_DQ1[7:0] */
 		},
-		[6] = {
-			{ 2, 3, 0, 1, 5,  4, 6, 7, }, /* DDR6_DQ0[7:0] */
-			{ 13,  14,  15,  12,  11,  10,  8,  9  }, /* DDR6_DQ1[7:0] */
+		.ddr6 = {
+			.dq0 = { 2, 3, 0, 1, 5,  4, 6, 7, }, /* DDR6_DQ0[7:0] */
+			.dq1 = { 13,  14,  15,  12,  11,  10,  8,  9  }, /* DDR6_DQ1[7:0] */
 		},
-		[7] = {
-			{ 14, 13, 15,  12, 9, 8, 10, 11, }, /* DDR7_DQ0[7:0] */
-			{ 4,  5,  1,  2,  6,  0,  3,  7  }, /* DDR7_DQ1[7:0] */
+		.ddr7 = {
+			.dq0 = { 14, 13, 15,  12, 9, 8, 10, 11, }, /* DDR7_DQ0[7:0] */
+			.dq1 = { 4,  5,  1,  2,  6,  0,  3,  7  }, /* DDR7_DQ1[7:0] */
 		},
 	},
 
 	/* DQS CPU<>DRAM map */
-	.dqs_map = {
-		[0] = { 0, 1 },  /* DDR0_DQS[1:0] */
-		[1] = { 1, 0 },  /* DDR1_DQS[1:0] */
-		[2] = { 0, 1 },  /* DDR2_DQS[1:0] */
-		[3] = { 1, 0 },  /* DDR3_DQS[1:0] */
-		[4] = { 0, 1 },  /* DDR4_DQS[1:0] */
-		[5] = { 1, 0 },  /* DDR5_DQS[1:0] */
-		[6] = { 0, 1 },  /* DDR6_DQS[1:0] */
-		[7] = { 1, 0 },  /* DDR7_DQS[1:0] */
+	.lp4x_dqs_map = {
+		.ddr0 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR0_DQS[1:0] */
+		.ddr1 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR1_DQS[1:0] */
+		.ddr2 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR2_DQS[1:0] */
+		.ddr3 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR3_DQS[1:0] */
+		.ddr4 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR4_DQS[1:0] */
+		.ddr5 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR5_DQS[1:0] */
+		.ddr6 = { .dqs0 = 0, .dqs1 = 1 },  /* DDR6_DQS[1:0] */
+		.ddr7 = { .dqs0 = 1, .dqs1 = 0 },  /* DDR7_DQS[1:0] */
 	},
 
-	.ect = 1, /* Enable Early Command Training */
-};
-
-static const struct ddr_memory_cfg board_memcfg = {
-	.mem_type = MEMTYPE_LPDDR4X,
-	.lpddr4_cfg = &voxel_memcfg
+	.ect = true, /* Enable Early Command Training */
 };
 
-const struct ddr_memory_cfg *variant_memory_params(void)
+const struct mb_cfg *variant_memory_params(void)
 {
 	return &board_memcfg;
 }