huayang duan has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/32243
Change subject: mediatek/mt8183: add support for SAMSUNG EMCP DDR ......................................................................
mediatek/mt8183: add support for SAMSUNG EMCP DDR
BUG=b:80501386 BRANCH=none TEST=Boots correctly on EMCP DRAM
Change-Id: I5fcc8673a2fbd7ec3a8776ab61c57f8903ddda20 --- M src/mainboard/google/kukui/sdram_configs.c M src/mainboard/google/kukui/sdram_params/Makefile.inc A src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDP6001DA-B425-4GB.c M src/soc/mediatek/mt8183/dramc_pi_calibration_api.c 4 files changed, 44 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/43/32243/1
diff --git a/src/mainboard/google/kukui/sdram_configs.c b/src/mainboard/google/kukui/sdram_configs.c old mode 100644 new mode 100755 index cbfb08d..ca74fa7 --- a/src/mainboard/google/kukui/sdram_configs.c +++ b/src/mainboard/google/kukui/sdram_configs.c @@ -21,6 +21,7 @@ static const char *const sdram_configs[] = { [1] = "sdram-lpddr4x-H9HCNNNCPMALHR-4GB", [2] = "sdram-lpddr4x-MT53E1G32D4NQ-4GB", + [3] = "sdram-lpddr4x-KMDP6001DA-B425-4GB", };
static struct sdram_params params; diff --git a/src/mainboard/google/kukui/sdram_params/Makefile.inc b/src/mainboard/google/kukui/sdram_params/Makefile.inc old mode 100644 new mode 100755 index 1e11140..d685b1a --- a/src/mainboard/google/kukui/sdram_params/Makefile.inc +++ b/src/mainboard/google/kukui/sdram_params/Makefile.inc @@ -1,6 +1,7 @@ sdram-params := sdram-params += sdram-lpddr4x-H9HCNNNCPMALHR-4GB sdram-params += sdram-lpddr4x-MT53E1G32D4NQ-4GB +sdram-params += sdram-lpddr4x-KMDP6001DA-B425-4GB
$(foreach params,$(sdram-params), \ $(eval cbfs-files-y += $(params)) \ diff --git a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDP6001DA-B425-4GB.c b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDP6001DA-B425-4GB.c new file mode 100755 index 0000000..1e0c362 --- /dev/null +++ b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDP6001DA-B425-4GB.c @@ -0,0 +1,41 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 MediaTek 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 <soc/emi.h> + +struct sdram_params params = { + .impedance = { + [ODT_OFF] = {0x9, 0x7, 0x0, 0xF}, + [ODT_ON] = {0xA, 0x9, 0x0, 0xE} + }, + .wr_level = { + [CHANNEL_A] = { {0x21, 0x21}, {0x20, 0x20} }, + [CHANNEL_B] = { {0x1E, 0x1F}, {0x1D, 0x1E} } + }, + .cbt_cs = { + [CHANNEL_A] = {0x1, 0x1}, + [CHANNEL_B] = {0x2, 0x2} + }, + .cbt_mr12 = { + [CHANNEL_A] = {0x56, 0x56}, + [CHANNEL_B] = {0x58, 0x5C} + }, + .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, +}; diff --git a/src/soc/mediatek/mt8183/dramc_pi_calibration_api.c b/src/soc/mediatek/mt8183/dramc_pi_calibration_api.c old mode 100644 new mode 100755 index 11a46bb..1fefd34 --- a/src/soc/mediatek/mt8183/dramc_pi_calibration_api.c +++ b/src/soc/mediatek/mt8183/dramc_pi_calibration_api.c @@ -32,7 +32,7 @@
enum { FIRST_DQ_DELAY = 0, - FIRST_DQS_DELAY = -10, + FIRST_DQS_DELAY = -16, MAX_DQDLY_TAPS = 16, MAX_RX_DQDLY_TAPS = 63, };