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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 Google Inc.
* Copyright (C) 2015 - 2017 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 <string.h>
#include "spd.h"
/* Get SPD data for on-board memory */
uint8_t *mainboard_find_spd_data()
{
uint8_t *spd_data;
int spd_index;
size_t spd_file_len;
char *spd_file;
spd_index = 0;
spd_file = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD,
&spd_file_len);
if (!spd_file)
die("SPD data not found.");
if (spd_file_len < ((spd_index + 1) * SPD_LEN)) {
printk(BIOS_ERR,
"SPD index override to 0 due to incorrect SPD index.\n");
spd_index = 0;
}
if (spd_file_len < SPD_LEN)
die("Missing SPD data.");
/* Assume same memory in both channels */
spd_index *= SPD_LEN;
spd_data = (uint8_t *)(spd_file + spd_index);
/* Make sure a valid SPD was found */
if (spd_data[0] == 0)
die("Invalid SPD data.");
return spd_data;
}
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