diff options
Diffstat (limited to 'src/mainboard/intel/harcuvar/spd/spd.c')
-rw-r--r-- | src/mainboard/intel/harcuvar/spd/spd.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/mainboard/intel/harcuvar/spd/spd.c b/src/mainboard/intel/harcuvar/spd/spd.c new file mode 100644 index 0000000000..37f4424684 --- /dev/null +++ b/src/mainboard/intel/harcuvar/spd/spd.c @@ -0,0 +1,58 @@ +/* + * 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; +} |