mb/google/kukui: Add LPDDR4X Samsung K4UBE3D4AA-MGCR 4GB support for burnet/esche

Add LPDDR4x DRAM index#0 Samsung K4UBE3D4AA-MGCR 4GB

BUG=b:165956924
BRANCH=kukui
TEST=emerge-jacuzzi coreboot

Signed-off-by: Kevin Chiu <kevin.chiu@quantatw.com>
Change-Id: I644b65d77b79891ed65215d810b970fe43b29e3f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44821
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/kukui/sdram_configs.c

@@ -24,6 +24,7 @@ static const char *const sdram_configs[] = {
 	[0x0a] = "sdram-lpddr4x-H9HCNNNCPMMLXR-NEE-4GB",
 
 	/* Table shared by Burnet and its variants, offset = 0x10 */
+	[0x10] = "sdram-lpddr4x-K4UBE3D4AA-MGCR-4GB",
 	[0x11] = "sdram-lpddr4x-H9HCNNNCPMALHR-4GB",
 	[0x12] = "sdram-lpddr4x-MT53E1G32D4NQ-4GB",
 	[0x13] = "sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB",

src/mainboard/google/kukui/sdram_params/Makefile.inc

@@ -1,4 +1,5 @@
 sdram-params :=
+sdram-params += sdram-lpddr4x-K4UBE3D4AA-MGCR-4GB
 sdram-params += sdram-lpddr4x-H9HCNNNCPMALHR-4GB
 sdram-params += sdram-lpddr4x-H9HCNNNCPMMLXR-NEE-4GB
 sdram-params += sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB

src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-K4UBE3D4AA-MGCR-4GB.c

@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/dramc_param.h>
+
+struct sdram_params params = {
+	.source = DRAMC_PARAM_SOURCE_SDRAM_CONFIG,
+	.frequency = 1600,
+	.ddr_geometry = DDR_TYPE_2CH_2RK_4GB_2_2,
+	.wr_level = {
+		[CHANNEL_A] = { {0x22, 0x1C}, {0x23, 0x1D} },
+		[CHANNEL_B] = { {0x26, 0x23}, {0x26, 0x23} }
+	},
+	.cbt_cs_dly = {
+		[CHANNEL_A] = {0x6, 0x5},
+		[CHANNEL_B] = {0x6, 0x6}
+	},
+	.cbt_final_vref = {
+		[CHANNEL_A] = {0x56, 0x58},
+		[CHANNEL_B] = {0x58, 0x56}
+	},
+	.emi_cona_val = 0xF053F154,
+	.emi_conh_val = 0x44440003,
+	.emi_conf_val = 0x00421000,
+	.chn_emi_cona_val = {0x0444F051, 0x0444F051},
+	.cbt_mode_extern = CBT_NORMAL_MODE,
+	.delay_cell_unit = 868,
+};