Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 1 | /* |
Soby Mathew | 7c6df5b | 2018-01-15 14:43:42 +0000 | [diff] [blame] | 2 | * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 3 | * |
dp-arm | fa3cf0b | 2017-05-03 09:38:09 +0100 | [diff] [blame] | 4 | * SPDX-License-Identifier: BSD-3-Clause |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 5 | */ |
| 6 | #include <assert.h> |
| 7 | #include <debug.h> |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 8 | #include <firmware_image_package.h> |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 9 | #include <io_driver.h> |
| 10 | #include <io_fip.h> |
| 11 | #include <io_memmap.h> |
| 12 | #include <io_storage.h> |
| 13 | #include <platform_def.h> |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 14 | #include <string.h> |
Sandrine Bailleux | 7659a26 | 2016-07-05 09:55:03 +0100 | [diff] [blame] | 15 | #include <utils.h> |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 16 | |
| 17 | /* IO devices */ |
| 18 | static const io_dev_connector_t *fip_dev_con; |
| 19 | static uintptr_t fip_dev_handle; |
| 20 | static const io_dev_connector_t *memmap_dev_con; |
| 21 | static uintptr_t memmap_dev_handle; |
| 22 | |
| 23 | static const io_block_spec_t fip_block_spec = { |
| 24 | .offset = PLAT_ARM_FIP_BASE, |
| 25 | .length = PLAT_ARM_FIP_MAX_SIZE |
| 26 | }; |
| 27 | |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 28 | static const io_uuid_spec_t bl2_uuid_spec = { |
| 29 | .uuid = UUID_TRUSTED_BOOT_FIRMWARE_BL2, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 30 | }; |
| 31 | |
Juan Castillo | a72b647 | 2015-12-10 15:49:17 +0000 | [diff] [blame] | 32 | static const io_uuid_spec_t scp_bl2_uuid_spec = { |
| 33 | .uuid = UUID_SCP_FIRMWARE_SCP_BL2, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 34 | }; |
| 35 | |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 36 | static const io_uuid_spec_t bl31_uuid_spec = { |
| 37 | .uuid = UUID_EL3_RUNTIME_FIRMWARE_BL31, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 38 | }; |
| 39 | |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 40 | static const io_uuid_spec_t bl32_uuid_spec = { |
| 41 | .uuid = UUID_SECURE_PAYLOAD_BL32, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 42 | }; |
| 43 | |
Summer Qin | 8072678 | 2017-04-20 16:28:39 +0100 | [diff] [blame] | 44 | static const io_uuid_spec_t bl32_extra1_uuid_spec = { |
| 45 | .uuid = UUID_SECURE_PAYLOAD_BL32_EXTRA1, |
| 46 | }; |
| 47 | |
| 48 | static const io_uuid_spec_t bl32_extra2_uuid_spec = { |
| 49 | .uuid = UUID_SECURE_PAYLOAD_BL32_EXTRA2, |
| 50 | }; |
| 51 | |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 52 | static const io_uuid_spec_t bl33_uuid_spec = { |
| 53 | .uuid = UUID_NON_TRUSTED_FIRMWARE_BL33, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 54 | }; |
| 55 | |
Soby Mathew | 7c6df5b | 2018-01-15 14:43:42 +0000 | [diff] [blame] | 56 | static const io_uuid_spec_t tb_fw_config_uuid_spec = { |
| 57 | .uuid = UUID_TB_FW_CONFIG, |
| 58 | }; |
| 59 | |
Soby Mathew | 96a1c6b | 2018-01-15 14:45:33 +0000 | [diff] [blame^] | 60 | static const io_uuid_spec_t hw_config_uuid_spec = { |
| 61 | .uuid = UUID_HW_CONFIG, |
| 62 | }; |
| 63 | |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 64 | #if TRUSTED_BOARD_BOOT |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 65 | static const io_uuid_spec_t tb_fw_cert_uuid_spec = { |
| 66 | .uuid = UUID_TRUSTED_BOOT_FW_CERT, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 67 | }; |
| 68 | |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 69 | static const io_uuid_spec_t trusted_key_cert_uuid_spec = { |
| 70 | .uuid = UUID_TRUSTED_KEY_CERT, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 71 | }; |
| 72 | |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 73 | static const io_uuid_spec_t scp_fw_key_cert_uuid_spec = { |
| 74 | .uuid = UUID_SCP_FW_KEY_CERT, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 75 | }; |
| 76 | |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 77 | static const io_uuid_spec_t soc_fw_key_cert_uuid_spec = { |
| 78 | .uuid = UUID_SOC_FW_KEY_CERT, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 79 | }; |
| 80 | |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 81 | static const io_uuid_spec_t tos_fw_key_cert_uuid_spec = { |
| 82 | .uuid = UUID_TRUSTED_OS_FW_KEY_CERT, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 83 | }; |
| 84 | |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 85 | static const io_uuid_spec_t nt_fw_key_cert_uuid_spec = { |
| 86 | .uuid = UUID_NON_TRUSTED_FW_KEY_CERT, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 87 | }; |
| 88 | |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 89 | static const io_uuid_spec_t scp_fw_cert_uuid_spec = { |
| 90 | .uuid = UUID_SCP_FW_CONTENT_CERT, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 91 | }; |
| 92 | |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 93 | static const io_uuid_spec_t soc_fw_cert_uuid_spec = { |
| 94 | .uuid = UUID_SOC_FW_CONTENT_CERT, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 95 | }; |
| 96 | |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 97 | static const io_uuid_spec_t tos_fw_cert_uuid_spec = { |
| 98 | .uuid = UUID_TRUSTED_OS_FW_CONTENT_CERT, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 99 | }; |
| 100 | |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 101 | static const io_uuid_spec_t nt_fw_cert_uuid_spec = { |
| 102 | .uuid = UUID_NON_TRUSTED_FW_CONTENT_CERT, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 103 | }; |
| 104 | #endif /* TRUSTED_BOARD_BOOT */ |
| 105 | |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 106 | |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 107 | static int open_fip(const uintptr_t spec); |
| 108 | static int open_memmap(const uintptr_t spec); |
| 109 | |
| 110 | struct plat_io_policy { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 111 | uintptr_t *dev_handle; |
| 112 | uintptr_t image_spec; |
| 113 | int (*check)(const uintptr_t spec); |
| 114 | }; |
| 115 | |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 116 | /* By default, ARM platforms load images from the FIP */ |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 117 | static const struct plat_io_policy policies[] = { |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 118 | [FIP_IMAGE_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 119 | &memmap_dev_handle, |
| 120 | (uintptr_t)&fip_block_spec, |
| 121 | open_memmap |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 122 | }, |
| 123 | [BL2_IMAGE_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 124 | &fip_dev_handle, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 125 | (uintptr_t)&bl2_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 126 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 127 | }, |
Juan Castillo | a72b647 | 2015-12-10 15:49:17 +0000 | [diff] [blame] | 128 | [SCP_BL2_IMAGE_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 129 | &fip_dev_handle, |
Juan Castillo | a72b647 | 2015-12-10 15:49:17 +0000 | [diff] [blame] | 130 | (uintptr_t)&scp_bl2_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 131 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 132 | }, |
| 133 | [BL31_IMAGE_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 134 | &fip_dev_handle, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 135 | (uintptr_t)&bl31_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 136 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 137 | }, |
| 138 | [BL32_IMAGE_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 139 | &fip_dev_handle, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 140 | (uintptr_t)&bl32_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 141 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 142 | }, |
Summer Qin | 8072678 | 2017-04-20 16:28:39 +0100 | [diff] [blame] | 143 | [BL32_EXTRA1_IMAGE_ID] = { |
| 144 | &fip_dev_handle, |
| 145 | (uintptr_t)&bl32_extra1_uuid_spec, |
| 146 | open_fip |
| 147 | }, |
| 148 | [BL32_EXTRA2_IMAGE_ID] = { |
| 149 | &fip_dev_handle, |
| 150 | (uintptr_t)&bl32_extra2_uuid_spec, |
| 151 | open_fip |
| 152 | }, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 153 | [BL33_IMAGE_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 154 | &fip_dev_handle, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 155 | (uintptr_t)&bl33_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 156 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 157 | }, |
Soby Mathew | 7c6df5b | 2018-01-15 14:43:42 +0000 | [diff] [blame] | 158 | [TB_FW_CONFIG_ID] = { |
| 159 | &fip_dev_handle, |
| 160 | (uintptr_t)&tb_fw_config_uuid_spec, |
| 161 | open_fip |
| 162 | }, |
Soby Mathew | 96a1c6b | 2018-01-15 14:45:33 +0000 | [diff] [blame^] | 163 | [HW_CONFIG_ID] = { |
| 164 | &fip_dev_handle, |
| 165 | (uintptr_t)&hw_config_uuid_spec, |
| 166 | open_fip |
| 167 | }, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 168 | #if TRUSTED_BOARD_BOOT |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 169 | [TRUSTED_BOOT_FW_CERT_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 170 | &fip_dev_handle, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 171 | (uintptr_t)&tb_fw_cert_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 172 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 173 | }, |
| 174 | [TRUSTED_KEY_CERT_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 175 | &fip_dev_handle, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 176 | (uintptr_t)&trusted_key_cert_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 177 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 178 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 179 | [SCP_FW_KEY_CERT_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 180 | &fip_dev_handle, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 181 | (uintptr_t)&scp_fw_key_cert_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 182 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 183 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 184 | [SOC_FW_KEY_CERT_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 185 | &fip_dev_handle, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 186 | (uintptr_t)&soc_fw_key_cert_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 187 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 188 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 189 | [TRUSTED_OS_FW_KEY_CERT_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 190 | &fip_dev_handle, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 191 | (uintptr_t)&tos_fw_key_cert_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 192 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 193 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 194 | [NON_TRUSTED_FW_KEY_CERT_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 195 | &fip_dev_handle, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 196 | (uintptr_t)&nt_fw_key_cert_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 197 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 198 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 199 | [SCP_FW_CONTENT_CERT_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 200 | &fip_dev_handle, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 201 | (uintptr_t)&scp_fw_cert_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 202 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 203 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 204 | [SOC_FW_CONTENT_CERT_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 205 | &fip_dev_handle, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 206 | (uintptr_t)&soc_fw_cert_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 207 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 208 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 209 | [TRUSTED_OS_FW_CONTENT_CERT_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 210 | &fip_dev_handle, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 211 | (uintptr_t)&tos_fw_cert_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 212 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 213 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 214 | [NON_TRUSTED_FW_CONTENT_CERT_ID] = { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 215 | &fip_dev_handle, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 216 | (uintptr_t)&nt_fw_cert_uuid_spec, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 217 | open_fip |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 218 | }, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 219 | #endif /* TRUSTED_BOARD_BOOT */ |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 220 | }; |
| 221 | |
| 222 | |
| 223 | /* Weak definitions may be overridden in specific ARM standard platform */ |
| 224 | #pragma weak plat_arm_io_setup |
| 225 | #pragma weak plat_arm_get_alt_image_source |
| 226 | |
| 227 | |
| 228 | static int open_fip(const uintptr_t spec) |
| 229 | { |
| 230 | int result; |
| 231 | uintptr_t local_image_handle; |
| 232 | |
| 233 | /* See if a Firmware Image Package is available */ |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 234 | result = io_dev_init(fip_dev_handle, (uintptr_t)FIP_IMAGE_ID); |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 235 | if (result == 0) { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 236 | result = io_open(fip_dev_handle, spec, &local_image_handle); |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 237 | if (result == 0) { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 238 | VERBOSE("Using FIP\n"); |
| 239 | io_close(local_image_handle); |
| 240 | } |
| 241 | } |
| 242 | return result; |
| 243 | } |
| 244 | |
| 245 | |
| 246 | static int open_memmap(const uintptr_t spec) |
| 247 | { |
| 248 | int result; |
| 249 | uintptr_t local_image_handle; |
| 250 | |
| 251 | result = io_dev_init(memmap_dev_handle, (uintptr_t)NULL); |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 252 | if (result == 0) { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 253 | result = io_open(memmap_dev_handle, spec, &local_image_handle); |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 254 | if (result == 0) { |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 255 | VERBOSE("Using Memmap\n"); |
| 256 | io_close(local_image_handle); |
| 257 | } |
| 258 | } |
| 259 | return result; |
| 260 | } |
| 261 | |
| 262 | |
| 263 | void arm_io_setup(void) |
| 264 | { |
| 265 | int io_result; |
| 266 | |
| 267 | io_result = register_io_dev_fip(&fip_dev_con); |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 268 | assert(io_result == 0); |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 269 | |
| 270 | io_result = register_io_dev_memmap(&memmap_dev_con); |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 271 | assert(io_result == 0); |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 272 | |
| 273 | /* Open connections to devices and cache the handles */ |
| 274 | io_result = io_dev_open(fip_dev_con, (uintptr_t)NULL, |
| 275 | &fip_dev_handle); |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 276 | assert(io_result == 0); |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 277 | |
| 278 | io_result = io_dev_open(memmap_dev_con, (uintptr_t)NULL, |
| 279 | &memmap_dev_handle); |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 280 | assert(io_result == 0); |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 281 | |
| 282 | /* Ignore improbable errors in release builds */ |
| 283 | (void)io_result; |
| 284 | } |
| 285 | |
| 286 | void plat_arm_io_setup(void) |
| 287 | { |
| 288 | arm_io_setup(); |
| 289 | } |
| 290 | |
| 291 | int plat_arm_get_alt_image_source( |
Soren Brinkmann | 46dd170 | 2016-01-14 10:11:05 -0800 | [diff] [blame] | 292 | unsigned int image_id __unused, |
| 293 | uintptr_t *dev_handle __unused, |
| 294 | uintptr_t *image_spec __unused) |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 295 | { |
| 296 | /* By default do not try an alternative */ |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 297 | return -ENOENT; |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 298 | } |
| 299 | |
| 300 | /* Return an IO device handle and specification which can be used to access |
| 301 | * an image. Use this to enforce platform load policy */ |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 302 | int plat_get_image_source(unsigned int image_id, uintptr_t *dev_handle, |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 303 | uintptr_t *image_spec) |
| 304 | { |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 305 | int result; |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 306 | const struct plat_io_policy *policy; |
| 307 | |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 308 | assert(image_id < ARRAY_SIZE(policies)); |
| 309 | |
| 310 | policy = &policies[image_id]; |
| 311 | result = policy->check(policy->image_spec); |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 312 | if (result == 0) { |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 313 | *image_spec = policy->image_spec; |
| 314 | *dev_handle = *(policy->dev_handle); |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 315 | } else { |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 316 | VERBOSE("Trying alternative IO\n"); |
| 317 | result = plat_arm_get_alt_image_source(image_id, dev_handle, |
| 318 | image_spec); |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 319 | } |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 320 | |
Dan Handley | 9df4804 | 2015-03-19 18:58:55 +0000 | [diff] [blame] | 321 | return result; |
| 322 | } |
Yatharth Kochar | 736a3bf | 2015-10-11 14:14:55 +0100 | [diff] [blame] | 323 | |
| 324 | /* |
| 325 | * See if a Firmware Image Package is available, |
| 326 | * by checking if TOC is valid or not. |
| 327 | */ |
| 328 | int arm_io_is_toc_valid(void) |
| 329 | { |
| 330 | int result; |
| 331 | |
| 332 | result = io_dev_init(fip_dev_handle, (uintptr_t)FIP_IMAGE_ID); |
| 333 | |
| 334 | return (result == 0); |
| 335 | } |
| 336 | |