1 /* 2 * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. 3 * Copyright (c) 2024, Altera Corporation. All rights reserved. 4 * 5 * SPDX-License-Identifier: BSD-3-Clause 6 */ 7 8 #include <common/desc_image_load.h> 9 10 /******************************************************************************* 11 * This function flushes the data structures so that they are visible 12 * in memory for the next BL image. 13 ******************************************************************************/ 14 void plat_flush_next_bl_params(void) 15 { 16 /* 17 * We cannot flush these descriptors on the Agilex5 platform, 18 * since the BL2 runs on the OCRAM and this OCRAM is not cache coherent. 19 */ 20 #if PLATFORM_MODEL != PLAT_SOCFPGA_AGILEX5 21 flush_bl_params_desc(); 22 #endif 23 } 24 25 /******************************************************************************* 26 * This function returns the list of loadable images. 27 ******************************************************************************/ 28 bl_load_info_t *plat_get_bl_image_load_info(void) 29 { 30 return get_bl_load_info_from_mem_params_desc(); 31 } 32 33 /******************************************************************************* 34 * This function returns the list of executable images. 35 ******************************************************************************/ 36 bl_params_t *plat_get_next_bl_params(void) 37 { 38 unsigned int count; 39 unsigned int img_id = 0U; 40 unsigned int link_index = 0U; 41 bl_params_node_t *bl_exec_node = NULL; 42 bl_mem_params_node_t *desc_ptr; 43 44 /* If there is no image to start with, return NULL */ 45 if (bl_mem_params_desc_num == 0U) 46 return NULL; 47 48 /* Clean next_params_info in BL image node */ 49 for (count = 0U; count < bl_mem_params_desc_num; count++) { 50 51 desc_ptr = &bl_mem_params_desc_ptr[link_index]; 52 bl_exec_node = &desc_ptr->params_node_mem; 53 bl_exec_node->next_params_info = NULL; 54 55 /* If no next hand-off image then break out */ 56 img_id = desc_ptr->next_handoff_image_id; 57 if (img_id == INVALID_IMAGE_ID) 58 break; 59 60 /* Get the index for the next hand-off image */ 61 link_index = get_bl_params_node_index(img_id); 62 } 63 64 return get_next_bl_params_from_mem_params_desc(); 65 } 66