| /* |
| * This file is part of the coreboot project. |
| * |
| * |
| * 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 <assert.h> |
| #include <console/console.h> |
| #include <fsp/api.h> |
| #include <soc/romstage.h> |
| #include <spd_bin.h> |
| #include <string.h> |
| #include <soc/meminit.h> |
| #include <baseboard/variants.h> |
| #include <cbfs.h> |
| #include "board_id.h" |
| #include "spd/spd.h" |
| |
| static uintptr_t mainboard_get_spd_index(void) |
| { |
| uint8_t board_id = (get_board_id() & 0xFF); |
| int spd_index; |
| |
| printk(BIOS_INFO, "board id is 0x%x\n", board_id); |
| |
| switch (board_id) { |
| case TGL_UP3_LP4_MICRON: |
| case TGL_UP4_LP4_MICRON: |
| spd_index = SPD_ID_MICRON; |
| break; |
| case TGL_UP3_LP4_SAMSUNG: |
| case TGL_UP4_LP4_SAMSUNG: |
| spd_index = SPD_ID_SAMSUNG; |
| break; |
| case TGL_UP3_LP4_HYNIX: |
| case TGL_UP4_LP4_HYNIX: |
| spd_index = SPD_ID_HYNIX; |
| break; |
| default: |
| spd_index = SPD_ID_MICRON; |
| printk(BIOS_WARNING, "Invalid board_id 0x%x\n", board_id); |
| } |
| |
| printk(BIOS_INFO, "SPD index is 0x%x\n", spd_index); |
| return spd_index; |
| } |
| |
| void mainboard_memory_init_params(FSPM_UPD *mupd) |
| { |
| FSP_M_CONFIG *mem_cfg = &mupd->FspmConfig; |
| |
| const struct mb_lpddr4x_cfg *mem_config = variant_memory_params(); |
| const struct spd_info spd_info = { |
| .read_type = READ_SPD_CBFS, |
| .spd_spec.spd_index = mainboard_get_spd_index(), |
| }; |
| bool half_populated = false; |
| |
| meminit_lpddr4x_dimm0(mem_cfg, mem_config, &spd_info, half_populated); |
| |
| } |