blob: bf1fee43a2f8b8cf77596deb4f20fbdefa5ae8a5 [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright 2019 MediaTek Inc.
*
* 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 <string.h>
#include "soc/dramc_param.h"
struct dramc_param *get_dramc_param_from_blob(void *blob)
{
return (struct dramc_param *)blob;
}
int validate_dramc_param(const void *blob)
{
const struct dramc_param *param = blob;
const struct dramc_param_header *hdr = &param->header;
if (hdr->magic != DRAMC_PARAM_HEADER_MAGIC)
return DRAMC_ERR_INVALID_MAGIC;
if (hdr->version != DRAMC_PARAM_HEADER_VERSION)
return DRAMC_ERR_INVALID_VERSION;
if (hdr->size != sizeof(*param))
return DRAMC_ERR_INVALID_SIZE;
return DRAMC_SUCCESS;
}
int is_valid_dramc_param(const void *blob)
{
return validate_dramc_param(blob) == DRAMC_SUCCESS;
}
int initialize_dramc_param(void *blob, u16 config)
{
struct dramc_param *param = blob;
struct dramc_param_header *hdr = &param->header;
memset(blob, 0, sizeof(*param));
hdr->magic = DRAMC_PARAM_HEADER_MAGIC;
hdr->size = sizeof(*param);
hdr->version = DRAMC_PARAM_HEADER_VERSION;
hdr->config = config;
return 0;
}