1 /*
2  * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <platform_def.h>
8 
9 #include <common/bl_common.h>
10 #include <common/desc_image_load.h>
11 
12 /*******************************************************************************
13  * Following descriptor provides BL image/ep information that gets used
14  * by BL2 to load the images and also subset of this information is
15  * passed to next BL image. The image loading sequence is managed by
16  * populating the images in required loading order. The image execution
17  * sequence is managed by populating the `next_handoff_image_id` with
18  * the next executable image id.
19  ******************************************************************************/
20 static bl_mem_params_node_t bl2_mem_params_descs[] = {
21 #ifdef SCP_BL2_BASE
22 	/* Fill SCP_BL2 related information if it exists */
23 	{
24 		.image_id = SCP_BL2_IMAGE_ID,
25 
26 		SET_STATIC_PARAM_HEAD(ep_info, PARAM_IMAGE_BINARY,
27 			VERSION_2, entry_point_info_t, SECURE | NON_EXECUTABLE),
28 
29 		SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY,
30 			VERSION_2, image_info_t, 0),
31 		.image_info.image_base = SCP_BL2_BASE,
32 		.image_info.image_max_size = PLAT_CSS_MAX_SCP_BL2_SIZE,
33 
34 		.next_handoff_image_id = INVALID_IMAGE_ID,
35 	},
36 #endif /* SCP_BL2_BASE */
37 
38 	/* Fill BL32 related information */
39 	{
40 		.image_id = BL32_IMAGE_ID,
41 
42 		SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
43 			VERSION_2, entry_point_info_t,
44 			SECURE | EXECUTABLE | EP_FIRST_EXE),
45 		.ep_info.pc = BL32_BASE,
46 		.ep_info.spsr = SPSR_MODE32(MODE32_mon, SPSR_T_ARM,
47 			SPSR_E_LITTLE, DISABLE_ALL_EXCEPTIONS),
48 
49 		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
50 			VERSION_2, image_info_t, IMAGE_ATTRIB_PLAT_SETUP),
51 		.image_info.image_base = BL32_BASE,
52 		.image_info.image_max_size = BL32_LIMIT - BL32_BASE,
53 
54 		.next_handoff_image_id = BL33_IMAGE_ID,
55 	},
56 	/* Fill HW_CONFIG related information if it exists */
57 	{
58 		.image_id = HW_CONFIG_ID,
59 		SET_STATIC_PARAM_HEAD(ep_info, PARAM_IMAGE_BINARY,
60 			VERSION_2, entry_point_info_t,
61 			NON_SECURE | NON_EXECUTABLE),
62 		SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY,
63 			VERSION_2, image_info_t, IMAGE_ATTRIB_SKIP_LOADING),
64 		.next_handoff_image_id = INVALID_IMAGE_ID,
65 	},
66 	/* Fill BL33 related information */
67 	{
68 		.image_id = BL33_IMAGE_ID,
69 
70 		SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
71 			VERSION_2, entry_point_info_t, NON_SECURE | EXECUTABLE),
72 #ifdef PRELOADED_BL33_BASE
73 		.ep_info.pc = PRELOADED_BL33_BASE,
74 
75 		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
76 			VERSION_2, image_info_t, IMAGE_ATTRIB_SKIP_LOADING),
77 #else
78 		.ep_info.pc = PLAT_ARM_NS_IMAGE_BASE,
79 
80 		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
81 			VERSION_2, image_info_t, 0),
82 		.image_info.image_base = PLAT_ARM_NS_IMAGE_BASE,
83 		.image_info.image_max_size = ARM_DRAM1_BASE + ARM_DRAM1_SIZE
84 			- PLAT_ARM_NS_IMAGE_BASE,
85 #endif /* PRELOADED_BL33_BASE */
86 
87 		.next_handoff_image_id = INVALID_IMAGE_ID,
88 	}
89 };
90 
91 REGISTER_BL_IMAGE_DESCS(bl2_mem_params_descs)
92