| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2016 Google Inc. |
| * Copyright (C) 2017 Intel Corp. |
| * |
| * 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 <arch/byteorder.h> |
| #include <cbfs.h> |
| #include <console/console.h> |
| #include <fsp/api.h> |
| #include <soc/romstage.h> |
| #include "spd/spd.h" |
| #include <string.h> |
| #include <spd_bin.h> |
| |
| void mainboard_memory_init_params(FSPM_UPD *mupd) |
| { |
| FSP_M_CONFIG *mem_cfg; |
| mem_cfg = &mupd->FspmConfig; |
| u8 spd_index; |
| |
| mainboard_fill_dq_map_ch0(&mem_cfg->DqByteMapCh0); |
| mainboard_fill_dq_map_ch1(&mem_cfg->DqByteMapCh1); |
| mainboard_fill_dqs_map_ch0(&mem_cfg->DqsMapCpu2DramCh0); |
| mainboard_fill_dqs_map_ch1(&mem_cfg->DqsMapCpu2DramCh1); |
| mainboard_fill_rcomp_res_data(&mem_cfg->RcompResistor); |
| mainboard_fill_rcomp_strength_data(&mem_cfg->RcompTarget); |
| |
| if (IS_ENABLED(CONFIG_BOARD_INTEL_CANNONLAKE_RVPU)) { |
| mem_cfg->DqPinsInterleaved = 1; |
| mem_cfg->CaVrefConfig = 2; /* VREF_CA->CHA VREF_DQ_B->CHB */ |
| spd_index = 1; |
| } else { /* For CONFIG_BOARD_INTEL_CANNONLAKE_RVPY */ |
| mem_cfg->DqPinsInterleaved = 0; |
| mem_cfg->CaVrefConfig = 0; /* VREF_CA->CHA/CHB */ |
| mem_cfg->ECT = 1; /* Early Command Training Enabled */ |
| spd_index = 2; |
| } |
| |
| printk(BIOS_DEBUG,"SPD INDEX =0x%u\n", spd_index); |
| |
| struct region_device spd_rdev; |
| |
| if (get_spd_cbfs_rdev(&spd_rdev, spd_index) < 0) |
| die("spd.bin not found\n"); |
| |
| mem_cfg->MemorySpdDataLen = region_device_sz(&spd_rdev); |
| /* Memory leak is ok since we have memory mapped boot media */ |
| mem_cfg->MemorySpdPtr00 = (uintptr_t)rdev_mmap_full(&spd_rdev); |
| mem_cfg->RefClk = 0; /* Auto Select CLK freq */ |
| mem_cfg->MemorySpdPtr10 = mem_cfg->MemorySpdPtr00; |
| } |