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/*
* Copyright (c) 2019-2022, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <common/debug.h>
#include <common/fdt_wrappers.h>
#include <lib/fconf/fconf.h>
#include <lib/fconf/fconf_dyn_cfg_getter.h>
#include <libfdt.h>
#include <plat/common/platform.h>
#include <platform_def.h>
int fconf_load_config(unsigned int image_id)
{
int err;
const struct dyn_cfg_dtb_info_t *config_info;
assert((image_id == FW_CONFIG_ID) || (image_id == TB_FW_CONFIG_ID));
image_info_t config_image_info = {
.h.type = (uint8_t)PARAM_IMAGE_BINARY,
.h.version = (uint8_t)VERSION_2,
.h.size = (uint16_t)sizeof(image_info_t),
.h.attr = 0
};
config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, image_id);
assert(config_info != NULL);
config_image_info.image_base = config_info->config_addr;
config_image_info.image_max_size = config_info->config_max_size;
VERBOSE("FCONF: Loading config with image ID: %u\n", image_id);
err = load_auth_image(image_id, &config_image_info);
if (err != 0) {
VERBOSE("Failed to load config %u\n", image_id);
return err;
}
INFO("FCONF: Config file with image ID:%u loaded at address = 0x%lx\n",
image_id, config_image_info.image_base);
return 0;
}
void fconf_populate(const char *config_type, uintptr_t config)
{
assert(config != 0UL);
/* Check if the pointer to DTB is correct */
if (fdt_check_header((void *)config) != 0) {
ERROR("FCONF: Invalid DTB file passed for %s\n", config_type);
panic();
}
INFO("FCONF: Reading %s firmware configuration file from: 0x%lx\n", config_type, config);
/* Go through all registered populate functions */
IMPORT_SYM(struct fconf_populator *, __FCONF_POPULATOR_START__, start);
IMPORT_SYM(struct fconf_populator *, __FCONF_POPULATOR_END__, end);
const struct fconf_populator *populator;
for (populator = start; populator != end; populator++) {
assert((populator->info != NULL) && (populator->populate != NULL));
if (strcmp(populator->config_type, config_type) == 0) {
INFO("FCONF: Reading firmware configuration information for: %s\n", populator->info);
if (populator->populate(config) != 0) {
/* TODO: handle property miss */
panic();
}
}
}
}
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