/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include void mainboard_memory_init_params(FSPM_UPD *mupd) { const u16 rcomp_resistors[3] = { 121, 75, 100 }; const u16 rcomp_targets[5] = { 50, 26, 20, 20, 26 }; FSP_M_CONFIG *const mem_cfg = &mupd->FspmConfig; struct spd_block blk = { .addr_map = { 0x50, 0x52 }, }; assert(sizeof(mem_cfg->RcompResistor) == sizeof(rcomp_resistors)); assert(sizeof(mem_cfg->RcompTarget) == sizeof(rcomp_targets)); mem_cfg->DqPinsInterleaved = 1; mem_cfg->CaVrefConfig = 2; get_spd_smbus(&blk); mem_cfg->MemorySpdDataLen = blk.len; mem_cfg->MemorySpdPtr00 = (uintptr_t)blk.spd_array[0]; mem_cfg->MemorySpdPtr10 = (uintptr_t)blk.spd_array[1]; dump_spd_info(&blk); memcpy(mem_cfg->RcompResistor, rcomp_resistors, sizeof(mem_cfg->RcompResistor)); memcpy(mem_cfg->RcompTarget, rcomp_targets, sizeof(mem_cfg->RcompTarget)); /* use virtual channel 1 for the dmi interface of the PCH */ mupd->FspmTestConfig.DmiVc1 = 1; }