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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 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.
*/
#include <arch/byteorder.h>
#include <cbfs.h>
#include <console/console.h>
#include <stdint.h>
#include <string.h>
#include <soc/pei_data.h>
#include <soc/pei_wrapper.h>
#include "boardid.h"
#include "spd.h"
void mainboard_fill_dq_map_data(void *dq_map_ptr)
{
/* DQ byte map */
const u8 dq_map[2][12] = {
{ 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0,
0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 },
{ 0x33, 0xCC, 0x00, 0xCC, 0x33, 0xCC,
0x33, 0x00, 0xFF, 0x00, 0xFF, 0x00 } };
memcpy(dq_map_ptr, dq_map, sizeof(dq_map));
}
void mainboard_fill_dqs_map_data(void *dqs_map_ptr)
{
/* DQS CPU<>DRAM map */
const u8 dqs_map[2][8] = {
{ 0, 1, 3, 2, 4, 5, 6, 7 },
{ 1, 0, 4, 5, 2, 3, 6, 7 } };
memcpy(dqs_map_ptr, dqs_map, sizeof(dqs_map));
}
void mainboard_fill_rcomp_res_data(void *rcomp_ptr)
{
/* Rcomp resistor */
const u16 RcompResistor[3] = { 200, 81, 162 };
memcpy(rcomp_ptr, RcompResistor,
sizeof(RcompResistor));
}
void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr)
{
/* Rcomp target */
static const u16 RcompTarget[RCOMP_TARGET_PARAMS] = {
100, 40, 40, 23, 40 };
memcpy(rcomp_strength_ptr, RcompTarget, sizeof(RcompTarget));
}
uintptr_t mainboard_get_spd_data(void)
{
char *spd_file;
int spd_index, spd_span;
size_t spd_file_len;
spd_index = 0;
printk(BIOS_INFO, "SPD index %d\n", spd_index);
/* Load SPD data from CBFS */
spd_file = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD,
&spd_file_len);
if (!spd_file)
die("SPD data not found.");
/* make sure we have at least one SPD in the file. */
if (spd_file_len < SPD_LEN)
die("Missing SPD data.");
/* Make sure we did not overrun the buffer */
if (spd_file_len < ((spd_index + 1) * SPD_LEN)) {
printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
spd_index = 0;
}
spd_span = spd_index * SPD_LEN;
return (uintptr_t)(spd_file + spd_span);
}
int mainboard_has_dual_channel_mem(void)
{
return 1;
}
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