1 /* 2 * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <assert.h> 8 9 #include <common/desc_image_load.h> 10 #include <drivers/arm/sp804_delay_timer.h> 11 #include <lib/fconf/fconf.h> 12 #include <lib/fconf/fconf_dyn_cfg_getter.h> 13 14 #include <plat/arm/common/plat_arm.h> 15 #include <plat/common/platform.h> 16 #include <platform_def.h> 17 18 #include "fvp_private.h" 19 20 void bl2_early_platform_setup2(u_register_t arg0, u_register_t arg1, u_register_t arg2, u_register_t arg3) 21 { 22 arm_bl2_early_platform_setup((uintptr_t)arg0, (meminfo_t *)arg1); 23 24 /* Initialize the platform config for future decision making */ 25 fvp_config_setup(); 26 } 27 28 void bl2_platform_setup(void) 29 { 30 arm_bl2_platform_setup(); 31 32 /* Initialize System level generic or SP804 timer */ 33 fvp_timer_init(); 34 } 35 36 /******************************************************************************* 37 * This function returns the list of executable images 38 ******************************************************************************/ 39 struct bl_params *plat_get_next_bl_params(void) 40 { 41 struct bl_params *arm_bl_params; 42 43 arm_bl_params = arm_get_next_bl_params(); 44 45 #if __aarch64__ && !BL2_AT_EL3 46 const struct dyn_cfg_dtb_info_t *fw_config_info; 47 bl_mem_params_node_t *param_node; 48 uintptr_t fw_config_base = 0U; 49 entry_point_info_t *ep_info; 50 51 /* Get BL31 image node */ 52 param_node = get_bl_mem_params_node(BL31_IMAGE_ID); 53 assert(param_node != NULL); 54 55 /* get fw_config load address */ 56 fw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, FW_CONFIG_ID); 57 assert(fw_config_info != NULL); 58 59 fw_config_base = fw_config_info->config_addr; 60 assert(fw_config_base != 0U); 61 62 /* 63 * Get the entry point info of BL31 image and override 64 * arg1 of entry point info with fw_config base address 65 */ 66 ep_info = ¶m_node->ep_info; 67 ep_info->args.arg1 = (uint32_t)fw_config_base; 68 #endif /* __aarch64__ && !BL2_AT_EL3 */ 69 70 return arm_bl_params; 71 } 72