/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include #include #include "board_id.h" #define SPD_ID_MASK 0x7 static size_t get_spd_index(void) { uint8_t board_id = get_board_id(); size_t spd_index; printk(BIOS_INFO, "board id is 0x%x\n", board_id); spd_index = board_id & SPD_ID_MASK; printk(BIOS_INFO, "SPD index is 0x%x\n", (unsigned int)spd_index); return spd_index; } void mainboard_memory_init_params(FSPM_UPD *mupd) { const struct mb_cfg *mem_config = variant_memory_params(); int board_id = get_board_id(); const bool half_populated = false; const struct mem_spd lp4_lp5_spd_info = { .topo = MEM_TOPO_MEMORY_DOWN, .cbfs_index = get_spd_index(), }; const struct mem_spd ddr4_ddr5_spd_info = { .topo = MEM_TOPO_DIMM_MODULE, .smbus = { [0] = { .addr_dimm[0] = 0x50, .addr_dimm[1] = 0x51, }, [1] = { .addr_dimm[0] = 0x52, .addr_dimm[1] = 0x53, }, }, }; switch (board_id) { case ADL_P_DDR4_1: case ADL_P_DDR4_2: case ADL_P_DDR5: memcfg_init(&mupd->FspmConfig, mem_config, &ddr4_ddr5_spd_info, half_populated); break; case ADL_P_LP4_1: case ADL_P_LP4_2: case ADL_P_LP5: memcfg_init(&mupd->FspmConfig, mem_config, &lp4_lp5_spd_info, half_populated); break; default: die("Unknown board id = 0x%x\n", board_id); break; } }