1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2019-2022, Arm Limited. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu #include <assert.h> 8*91f16700Schasinglulu 9*91f16700Schasinglulu #include <common/debug.h> 10*91f16700Schasinglulu #include <common/fdt_wrappers.h> 11*91f16700Schasinglulu #include <lib/fconf/fconf.h> 12*91f16700Schasinglulu #include <lib/fconf/fconf_dyn_cfg_getter.h> 13*91f16700Schasinglulu #include <libfdt.h> 14*91f16700Schasinglulu #include <plat/common/platform.h> 15*91f16700Schasinglulu #include <platform_def.h> 16*91f16700Schasinglulu 17*91f16700Schasinglulu int fconf_load_config(unsigned int image_id) 18*91f16700Schasinglulu { 19*91f16700Schasinglulu int err; 20*91f16700Schasinglulu const struct dyn_cfg_dtb_info_t *config_info; 21*91f16700Schasinglulu 22*91f16700Schasinglulu assert((image_id == FW_CONFIG_ID) || (image_id == TB_FW_CONFIG_ID)); 23*91f16700Schasinglulu 24*91f16700Schasinglulu image_info_t config_image_info = { 25*91f16700Schasinglulu .h.type = (uint8_t)PARAM_IMAGE_BINARY, 26*91f16700Schasinglulu .h.version = (uint8_t)VERSION_2, 27*91f16700Schasinglulu .h.size = (uint16_t)sizeof(image_info_t), 28*91f16700Schasinglulu .h.attr = 0 29*91f16700Schasinglulu }; 30*91f16700Schasinglulu 31*91f16700Schasinglulu config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, image_id); 32*91f16700Schasinglulu assert(config_info != NULL); 33*91f16700Schasinglulu 34*91f16700Schasinglulu config_image_info.image_base = config_info->config_addr; 35*91f16700Schasinglulu config_image_info.image_max_size = config_info->config_max_size; 36*91f16700Schasinglulu 37*91f16700Schasinglulu VERBOSE("FCONF: Loading config with image ID: %u\n", image_id); 38*91f16700Schasinglulu err = load_auth_image(image_id, &config_image_info); 39*91f16700Schasinglulu if (err != 0) { 40*91f16700Schasinglulu VERBOSE("Failed to load config %u\n", image_id); 41*91f16700Schasinglulu return err; 42*91f16700Schasinglulu } 43*91f16700Schasinglulu 44*91f16700Schasinglulu INFO("FCONF: Config file with image ID:%u loaded at address = 0x%lx\n", 45*91f16700Schasinglulu image_id, config_image_info.image_base); 46*91f16700Schasinglulu 47*91f16700Schasinglulu return 0; 48*91f16700Schasinglulu } 49*91f16700Schasinglulu 50*91f16700Schasinglulu void fconf_populate(const char *config_type, uintptr_t config) 51*91f16700Schasinglulu { 52*91f16700Schasinglulu assert(config != 0UL); 53*91f16700Schasinglulu 54*91f16700Schasinglulu /* Check if the pointer to DTB is correct */ 55*91f16700Schasinglulu if (fdt_check_header((void *)config) != 0) { 56*91f16700Schasinglulu ERROR("FCONF: Invalid DTB file passed for %s\n", config_type); 57*91f16700Schasinglulu panic(); 58*91f16700Schasinglulu } 59*91f16700Schasinglulu 60*91f16700Schasinglulu INFO("FCONF: Reading %s firmware configuration file from: 0x%lx\n", config_type, config); 61*91f16700Schasinglulu 62*91f16700Schasinglulu /* Go through all registered populate functions */ 63*91f16700Schasinglulu IMPORT_SYM(struct fconf_populator *, __FCONF_POPULATOR_START__, start); 64*91f16700Schasinglulu IMPORT_SYM(struct fconf_populator *, __FCONF_POPULATOR_END__, end); 65*91f16700Schasinglulu const struct fconf_populator *populator; 66*91f16700Schasinglulu 67*91f16700Schasinglulu for (populator = start; populator != end; populator++) { 68*91f16700Schasinglulu assert((populator->info != NULL) && (populator->populate != NULL)); 69*91f16700Schasinglulu 70*91f16700Schasinglulu if (strcmp(populator->config_type, config_type) == 0) { 71*91f16700Schasinglulu INFO("FCONF: Reading firmware configuration information for: %s\n", populator->info); 72*91f16700Schasinglulu if (populator->populate(config) != 0) { 73*91f16700Schasinglulu /* TODO: handle property miss */ 74*91f16700Schasinglulu panic(); 75*91f16700Schasinglulu } 76*91f16700Schasinglulu } 77*91f16700Schasinglulu } 78*91f16700Schasinglulu } 79