/* * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include #include #include #include #include void __init bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, u_register_t arg2, u_register_t arg3) { const struct dyn_cfg_dtb_info_t *soc_fw_config_info; INFO("BL31 FCONF: FW_CONFIG address = %lx\n", (uintptr_t)arg1); /* Fill the properties struct with the info from the config dtb */ fconf_populate("FW_CONFIG", arg1); soc_fw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, SOC_FW_CONFIG_ID); if (soc_fw_config_info != NULL) { arg1 = soc_fw_config_info->config_addr; } arm_bl31_early_platform_setup((void *)arg0, arg1, arg2, (void *)arg3); /* * Initialize Interconnect for this cluster during cold boot. * No need for locks as no other CPU is active. */ plat_arm_interconnect_init(); /* * Enable Interconnect coherency for the primary CPU's cluster. * Earlier bootloader stages might already do this (e.g. Trusted * Firmware's BL1 does it) but we can't assume so. There is no harm in * executing this code twice anyway. * Platform specific PSCI code will enable coherency for other * clusters. */ plat_arm_interconnect_enter_coherency(); } void __init bl31_plat_arch_setup(void) { arm_bl31_plat_arch_setup(); /* HW_CONFIG was also loaded by BL2 */ const struct dyn_cfg_dtb_info_t *hw_config_info; hw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, HW_CONFIG_ID); assert(hw_config_info != NULL); fconf_populate("HW_CONFIG", hw_config_info->config_addr); }