| /* |
| * |
| * |
| * SPDX-License-Identifier: GPL-2.0-or-later |
| */ |
| |
| #include <baseboard/variants.h> |
| #include <ec/google/chromeec/ec.h> |
| #include <fsp/soc_binding.h> |
| #include <fw_config.h> |
| #include <gpio.h> |
| #include <memory_info.h> |
| #include <soc/gpio.h> |
| #include <soc/meminit.h> |
| #include <soc/romstage.h> |
| #include <variant/gpio.h> |
| |
| |
| void mainboard_memory_init_params(FSPM_UPD *mupd) |
| { |
| FSP_M_CONFIG *mem_cfg = &mupd->FspmConfig; |
| const struct lpddr4x_cfg *board_cfg = variant_memory_params(); |
| const struct spd_info spd_info = { |
| .topology = MEMORY_DOWN, |
| .md_spd_loc = SPD_CBFS, |
| .cbfs_index = variant_memory_sku(), |
| }; |
| bool half_populated = gpio_get(GPIO_MEM_CH_SEL); |
| |
| /* Disable HDA device if no audio board is present. */ |
| if (fw_config_probe(FW_CONFIG(AUDIO, NONE))) |
| mem_cfg->PchHdaEnable = 0; |
| |
| meminit_lpddr4x(mem_cfg, board_cfg, &spd_info, half_populated); |
| } |
| |
| bool mainboard_get_dram_part_num(const char **part_num, size_t *len) |
| { |
| static char part_num_store[DIMM_INFO_PART_NUMBER_SIZE]; |
| |
| if (google_chromeec_cbi_get_dram_part_num(part_num_store, |
| sizeof(part_num_store)) < 0) { |
| printk(BIOS_ERR, "ERROR: Couldn't obtain DRAM part number from CBI\n"); |
| return false; |
| } |
| *part_num = part_num_store; |
| *len = strlen(part_num_store); |
| return true; |
| } |