/* * This file is part of the coreboot project. * * Copyright (C) 2014 Google Inc. * Copyright (C) 2015 Intel Corporation. * * 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc. */ #include #include #include #include #include "boardid.h" /* PCH_MEM_CFG[3:0] */ #define MAX_MEMORY_CONFIG 0x10 #define RCOMP_TARGET_PARAMS 0x5 void mainboard_fill_pei_data(struct pei_data *pei_data) { /* DQ byte map */ const u8 dq_map[2][12] = { { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0 , 0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 }, { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0 , 0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 } }; /* DQS CPU<>DRAM map */ const u8 dqs_map[2][8] = { { 0, 1, 3, 2, 6, 5, 4, 7 }, { 2, 3, 0, 1, 6, 7, 4, 5 } }; /* Rcomp resistor */ const u16 RcompResistor[3] = { 200, 81, 162 }; /* Rcomp target */ static const u16 RcompTarget[MAX_MEMORY_CONFIG][RCOMP_TARGET_PARAMS] = { { 100, 40, 40, 23, 40 }, { 100, 40, 40, 23, 40 }, { 100, 40, 40, 23, 40 }, /*Strengthen the Rcomp Target Ctrl for 8GB K4E6E304EE -EGCF*/ { 100, 40, 40, 21, 40 }, }; memcpy(pei_data->dq_map, dq_map, sizeof(dq_map)); memcpy(pei_data->dqs_map, dqs_map, sizeof(dqs_map)); memcpy(pei_data->RcompResistor, RcompResistor, sizeof(RcompResistor)); memcpy(pei_data->RcompTarget, &RcompTarget[pei_data->mem_cfg_id][0], sizeof(RcompTarget[pei_data->mem_cfg_id])); }