/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include #include #include #include bool __weak half_populated(void) { return false; } void mainboard_memory_init_params(FSPM_UPD *memupd) { static struct spd_info spd_info; const struct mb_cfg *board_cfg = variant_memcfg_config(); static uint8_t spd_data[CONFIG_DIMM_SPD_SIZE]; const char *cbfs_hwi_name = "hwinfo.hex"; /* Initialize SPD information for LPDDR4x from HW-Info. */ memset(spd_data, 0, sizeof(spd_data)); if ((hwilib_find_blocks(cbfs_hwi_name) == CB_SUCCESS) && (hwilib_get_field(SPD, spd_data, 0x80) == 0x80) && (ddr_crc16(spd_data, 126) == read16((void *)&spd_data[126]))) { spd_info.spd_spec.spd_data_ptr_info.spd_data_ptr = (uintptr_t)spd_data; spd_info.spd_spec.spd_data_ptr_info.spd_data_len = CONFIG_DIMM_SPD_SIZE; spd_info.read_type = READ_SPD_MEMPTR; } else { die("SPD in HW-Info not valid!\n"); } /* Initialize variant specific configurations */ memcfg_init(&memupd->FspmConfig, board_cfg, &spd_info, half_populated()); /* Enable Row-Hammer prevention */ memupd->FspmConfig.RhPrevention = 1; }