1 /*
2 * Arm SCP/MCP Software
3 * Copyright (c) 2018-2022, Arm Limited and Contributors. All rights reserved.
4 *
5 * SPDX-License-Identifier: BSD-3-Clause
6 */
7
8 #include "config_clock.h"
9 #include "n1sdp_pik_scp.h"
10 #include "n1sdp_scp_pik.h"
11 #include "n1sdp_scp_software_mmap.h"
12 #include "n1sdp_sds.h"
13
14 #include <mod_sds.h>
15
16 #include <fwk_assert.h>
17 #include <fwk_element.h>
18 #include <fwk_id.h>
19 #include <fwk_macros.h>
20 #include <fwk_module.h>
21 #include <fwk_module_idx.h>
22
23 #include <stdbool.h>
24 #include <stdint.h>
25
26 static const uint32_t version_packed = FWK_BUILD_VERSION;
27 static const uint32_t feature_flags = 0x00000000;
28
29 static const struct mod_sds_region_desc sds_module_regions[] = {
30 [N1SDP_SDS_REGION_SECURE] = {
31 .base = (void*)SCP_SDS_SECURE_BASE,
32 .size = SCP_SDS_SECURE_SIZE,
33 },
34 #ifdef BUILD_MODE_DEBUG
35 [N1SDP_SDS_REGION_NONSECURE] = {
36 .base = (void *)SCP_SDS_NONSECURE_BASE,
37 .size = SCP_SDS_NONSECURE_SIZE,
38 },
39 #endif
40 };
41
42 static_assert(FWK_ARRAY_SIZE(sds_module_regions) == N1SDP_SDS_REGION_COUNT,
43 "Mismatch between number of SDS regions and number of regions "
44 "provided by the SDS configuration.");
45
46 static const struct mod_sds_config sds_module_config = {
47 .regions = sds_module_regions,
48 .region_count = N1SDP_SDS_REGION_COUNT,
49 .clock_id = FWK_ID_ELEMENT_INIT(FWK_MODULE_IDX_CLOCK,
50 CLOCK_IDX_INTERCONNECT)
51 };
52
53 static struct fwk_element sds_element_table[] = {
54 {
55 .name = "CPU Info",
56 .data = &((struct mod_sds_structure_desc) {
57 .id = N1SDP_SDS_CPU_INFO,
58 .size = N1SDP_SDS_CPU_INFO_SIZE,
59 .region_id = N1SDP_SDS_REGION_SECURE,
60 .finalize = true,
61 }),
62 },
63 {
64 .name = "Firmware version",
65 .data = &((struct mod_sds_structure_desc) {
66 .id = N1SDP_SDS_FIRMWARE_VERSION,
67 .size = N1SDP_SDS_FIRMWARE_VERSION_SIZE,
68 .region_id = N1SDP_SDS_REGION_SECURE,
69 .payload = &version_packed,
70 .finalize = true,
71 }),
72 },
73 {
74 .name = "Reset Syndrome",
75 .data = &((struct mod_sds_structure_desc) {
76 .id = N1SDP_SDS_RESET_SYNDROME,
77 .size = N1SDP_SDS_RESET_SYNDROME_SIZE,
78 .region_id = N1SDP_SDS_REGION_SECURE,
79 .payload = (void *)(&PIK_SCP->RESET_SYNDROME),
80 .finalize = true,
81 }),
82 },
83 {
84 .name = "Feature Availability",
85 .data = &((struct mod_sds_structure_desc) {
86 .id = N1SDP_SDS_FEATURE_AVAILABILITY,
87 .size = N1SDP_SDS_FEATURE_AVAILABILITY_SIZE,
88 .region_id = N1SDP_SDS_REGION_SECURE,
89 .payload = &feature_flags,
90 .finalize = true,
91 }),
92 },
93 {
94 .name = "Platform Info",
95 .data = &((struct mod_sds_structure_desc) {
96 .id = N1SDP_SDS_PLATFORM_INFO,
97 .size = N1SDP_SDS_PLATFORM_INFO_SIZE,
98 .region_id = N1SDP_SDS_REGION_SECURE,
99 .finalize = true,
100 }),
101 },
102 #ifdef BUILD_MODE_DEBUG
103 {
104 .name = "Boot Counters",
105 .data = &((struct mod_sds_structure_desc) {
106 .id = N1SDP_SDS_CPU_BOOTCTR,
107 .size = N1SDP_SDS_CPU_BOOTCTR_SIZE,
108 .region_id = N1SDP_SDS_REGION_NONSECURE,
109 .finalize = true,
110 }),
111 },
112 {
113 .name = "CPU Flags",
114 .data = &((struct mod_sds_structure_desc) {
115 .id = N1SDP_SDS_CPU_FLAGS,
116 .size = N1SDP_SDS_CPU_FLAGS_SIZE,
117 .region_id = N1SDP_SDS_REGION_NONSECURE,
118 .finalize = true,
119 }),
120 },
121 #endif
122 { 0 }, /* Termination description. */
123 };
124
125 static_assert(SCP_SDS_SECURE_SIZE >
126 N1SDP_SDS_CPU_INFO_SIZE +
127 N1SDP_SDS_FIRMWARE_VERSION_SIZE +
128 N1SDP_SDS_RESET_SYNDROME_SIZE +
129 N1SDP_SDS_FEATURE_AVAILABILITY_SIZE,
130 "SDS structures too large for SDS S-RAM.\n");
131
132 #ifdef BUILD_MODE_DEBUG
133 static_assert(SCP_SDS_NONSECURE_SIZE >
134 N1SDP_SDS_CPU_BOOTCTR_SIZE +
135 N1SDP_SDS_CPU_FLAGS_SIZE,
136 "SDS structures too large for SDS NS-RAM.\n");
137 #endif
138
sds_get_element_table(fwk_id_t module_id)139 static const struct fwk_element *sds_get_element_table(fwk_id_t module_id)
140 {
141 static_assert(BUILD_VERSION_MAJOR < UINT8_MAX, "Invalid version size");
142 static_assert(BUILD_VERSION_MINOR < UINT8_MAX, "Invalid version size");
143 static_assert(BUILD_VERSION_PATCH < UINT16_MAX, "Invalid version size");
144
145 return sds_element_table;
146 }
147
148 struct fwk_module_config config_sds = {
149 .data = &sds_module_config,
150 .elements = FWK_MODULE_DYNAMIC_ELEMENTS(sds_get_element_table),
151 };
152