dramc_param.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#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;
}