xref: /arm-trusted-firmware/plat/intel/soc/common/socfpga_image_load.c (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  */
6*91f16700Schasinglulu 
7*91f16700Schasinglulu #include <common/desc_image_load.h>
8*91f16700Schasinglulu 
9*91f16700Schasinglulu /*******************************************************************************
10*91f16700Schasinglulu  * This function flushes the data structures so that they are visible
11*91f16700Schasinglulu  * in memory for the next BL image.
12*91f16700Schasinglulu  ******************************************************************************/
13*91f16700Schasinglulu void plat_flush_next_bl_params(void)
14*91f16700Schasinglulu {
15*91f16700Schasinglulu 	flush_bl_params_desc();
16*91f16700Schasinglulu }
17*91f16700Schasinglulu 
18*91f16700Schasinglulu /*******************************************************************************
19*91f16700Schasinglulu  * This function returns the list of loadable images.
20*91f16700Schasinglulu  ******************************************************************************/
21*91f16700Schasinglulu bl_load_info_t *plat_get_bl_image_load_info(void)
22*91f16700Schasinglulu {
23*91f16700Schasinglulu 	return get_bl_load_info_from_mem_params_desc();
24*91f16700Schasinglulu }
25*91f16700Schasinglulu 
26*91f16700Schasinglulu /*******************************************************************************
27*91f16700Schasinglulu  * This function returns the list of executable images.
28*91f16700Schasinglulu  ******************************************************************************/
29*91f16700Schasinglulu bl_params_t *plat_get_next_bl_params(void)
30*91f16700Schasinglulu {
31*91f16700Schasinglulu 	unsigned int count;
32*91f16700Schasinglulu 	unsigned int img_id = 0U;
33*91f16700Schasinglulu 	unsigned int link_index = 0U;
34*91f16700Schasinglulu 	bl_params_node_t *bl_exec_node = NULL;
35*91f16700Schasinglulu 	bl_mem_params_node_t *desc_ptr;
36*91f16700Schasinglulu 
37*91f16700Schasinglulu 	/* If there is no image to start with, return NULL */
38*91f16700Schasinglulu 	if (bl_mem_params_desc_num == 0U)
39*91f16700Schasinglulu 		return NULL;
40*91f16700Schasinglulu 
41*91f16700Schasinglulu 	/* Clean next_params_info in BL image node */
42*91f16700Schasinglulu 	for (count = 0U; count < bl_mem_params_desc_num; count++) {
43*91f16700Schasinglulu 
44*91f16700Schasinglulu 		desc_ptr = &bl_mem_params_desc_ptr[link_index];
45*91f16700Schasinglulu 		bl_exec_node = &desc_ptr->params_node_mem;
46*91f16700Schasinglulu 		bl_exec_node->next_params_info = NULL;
47*91f16700Schasinglulu 
48*91f16700Schasinglulu 		/* If no next hand-off image then break out */
49*91f16700Schasinglulu 		img_id = desc_ptr->next_handoff_image_id;
50*91f16700Schasinglulu 		if (img_id == INVALID_IMAGE_ID)
51*91f16700Schasinglulu 			break;
52*91f16700Schasinglulu 
53*91f16700Schasinglulu 		/* Get the index for the next hand-off image */
54*91f16700Schasinglulu 		link_index = get_bl_params_node_index(img_id);
55*91f16700Schasinglulu 	}
56*91f16700Schasinglulu 
57*91f16700Schasinglulu 	return get_next_bl_params_from_mem_params_desc();
58*91f16700Schasinglulu }
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