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78 lines
2.2 KiB
78 lines
2.2 KiB
/*
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* Copyright (c) 2019-2020, ARM Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <assert.h>
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#include <common/debug.h>
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#include <common/fdt_wrappers.h>
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#include <lib/fconf/fconf.h>
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#include <lib/fconf/fconf_dyn_cfg_getter.h>
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#include <libfdt.h>
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#include <plat/common/platform.h>
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#include <platform_def.h>
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int fconf_load_config(unsigned int image_id)
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{
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int err;
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const struct dyn_cfg_dtb_info_t *config_info;
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assert((image_id == FW_CONFIG_ID) || (image_id == TB_FW_CONFIG_ID));
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image_info_t config_image_info = {
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.h.type = (uint8_t)PARAM_IMAGE_BINARY,
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.h.version = (uint8_t)VERSION_2,
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.h.size = (uint16_t)sizeof(image_info_t),
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.h.attr = 0
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};
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config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, image_id);
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assert(config_info != NULL);
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config_image_info.image_base = config_info->config_addr;
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config_image_info.image_max_size = config_info->config_max_size;
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VERBOSE("FCONF: Loading config with image ID: %d\n", image_id);
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err = load_auth_image(image_id, &config_image_info);
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if (err != 0) {
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VERBOSE("Failed to load config %d\n", image_id);
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return err;
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}
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INFO("FCONF: Config file with image ID:%d loaded at address = 0x%lx\n",
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image_id, config_image_info.image_base);
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return 0;
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}
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void fconf_populate(const char *config_type, uintptr_t config)
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{
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assert(config != 0UL);
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/* Check if the pointer to DTB is correct */
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if (fdt_check_header((void *)config) != 0) {
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ERROR("FCONF: Invalid DTB file passed for %s\n", config_type);
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panic();
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}
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INFO("FCONF: Reading %s firmware configuration file from: 0x%lx\n", config_type, config);
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/* Go through all registered populate functions */
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IMPORT_SYM(struct fconf_populator *, __FCONF_POPULATOR_START__, start);
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IMPORT_SYM(struct fconf_populator *, __FCONF_POPULATOR_END__, end);
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const struct fconf_populator *populator;
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for (populator = start; populator != end; populator++) {
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assert((populator->info != NULL) && (populator->populate != NULL));
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if (strcmp(populator->config_type, config_type) == 0) {
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INFO("FCONF: Reading firmware configuration information for: %s\n", populator->info);
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if (populator->populate(config) != 0) {
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/* TODO: handle property miss */
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panic();
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}
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}
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}
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}
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