diff options
| -rw-r--r-- | src/mainboard/google/kukui/Makefile.inc | 3 | ||||
| -rw-r--r-- | src/mainboard/google/kukui/romstage.c | 2 | ||||
| -rw-r--r-- | src/mainboard/google/kukui/sdram_configs.c | 37 | ||||
| -rw-r--r-- | src/mainboard/google/kukui/sdram_params/Makefile.inc | 9 | ||||
| -rw-r--r-- | src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-H9HCNNNCPMALHR-4GB.c | 41 |
5 files changed, 92 insertions, 0 deletions
diff --git a/src/mainboard/google/kukui/Makefile.inc b/src/mainboard/google/kukui/Makefile.inc index 5fe073a590..acd2c45417 100644 --- a/src/mainboard/google/kukui/Makefile.inc +++ b/src/mainboard/google/kukui/Makefile.inc @@ -1,3 +1,5 @@ +subdirs-y += sdram_params/ + bootblock-y += boardid.c bootblock-y += bootblock.c bootblock-y += chromeos.c @@ -12,6 +14,7 @@ romstage-y += boardid.c romstage-y += chromeos.c romstage-y += memlayout.ld romstage-y += romstage.c +romstage-y += sdram_configs.c ramstage-y += boardid.c ramstage-y += chromeos.c diff --git a/src/mainboard/google/kukui/romstage.c b/src/mainboard/google/kukui/romstage.c index 4855334149..629692dd72 100644 --- a/src/mainboard/google/kukui/romstage.c +++ b/src/mainboard/google/kukui/romstage.c @@ -14,11 +14,13 @@ */ #include <arch/stages.h> +#include <soc/emi.h> #include <soc/mmu_operations.h> #include <soc/mt6358.h> void platform_romstage_main(void) { mt6358_init(); + mt_mem_init(get_sdram_config()); mtk_mmu_after_dram(); } diff --git a/src/mainboard/google/kukui/sdram_configs.c b/src/mainboard/google/kukui/sdram_configs.c new file mode 100644 index 0000000000..25bbe8ffe2 --- /dev/null +++ b/src/mainboard/google/kukui/sdram_configs.c @@ -0,0 +1,37 @@ +/* + * 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 <boardid.h> +#include <cbfs.h> +#include <console/console.h> +#include <soc/emi.h> + +static const char *const sdram_configs[] = { + [1] = "sdram-lpddr4x-H9HCNNNCPMALHR-4GB", +}; + +static struct sdram_params params; + +const struct sdram_params *get_sdram_config(void) +{ + uint32_t ramcode = ram_code(); + + if (ramcode >= ARRAY_SIZE(sdram_configs) || + cbfs_boot_load_file(sdram_configs[ramcode], ¶ms, sizeof(params), + CBFS_TYPE_STRUCT) != sizeof(params)) + die("Cannot load SDRAM parameter file!"); + + return ¶ms; +} diff --git a/src/mainboard/google/kukui/sdram_params/Makefile.inc b/src/mainboard/google/kukui/sdram_params/Makefile.inc new file mode 100644 index 0000000000..d15c40dd03 --- /dev/null +++ b/src/mainboard/google/kukui/sdram_params/Makefile.inc @@ -0,0 +1,9 @@ +sdram-params := +sdram-params += sdram-lpddr4x-H9HCNNNCPMALHR-4GB + +$(foreach params,$(sdram-params), \ + $(eval cbfs-files-y += $(params)) \ + $(eval $(params)-file := $(params).c:struct) \ + $(eval $(params)-type := struct) \ + $(eval $(params)-compression := $(CBFS_COMPRESS_FLAG)) \ +) diff --git a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-H9HCNNNCPMALHR-4GB.c b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-H9HCNNNCPMALHR-4GB.c new file mode 100644 index 0000000000..da6c7d255e --- /dev/null +++ b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-H9HCNNNCPMALHR-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] = {0x7, 0x6, 0x0, 0xF}, + [ODT_ON] = {0x9, 0x9, 0x0, 0xF} + }, + .wr_level = { + [CHANNEL_A] = { {0x22, 0x1b}, {0x22, 0x19} }, + [CHANNEL_B] = { {0x24, 0x20}, {0x25, 0x20} } + }, + .cbt_cs = { + [CHANNEL_A] = {0x0, 0x0}, + [CHANNEL_B] = {0x0, 0x0} + }, + .cbt_mr12 = { + [CHANNEL_A] = {0x52, 0x52}, + [CHANNEL_B] = {0x52, 0x52} + }, + .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, +}; |