Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 1 | /* |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 2 | * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 6 | |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 7 | #include <assert.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 8 | |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 9 | #include <platform_def.h> |
| 10 | |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 11 | #include <common/debug.h> |
| 12 | #include <drivers/io/io_block.h> |
| 13 | #include <drivers/io/io_driver.h> |
| 14 | #include <drivers/io/io_fip.h> |
| 15 | #include <drivers/io/io_memmap.h> |
| 16 | #include <drivers/mmc.h> |
| 17 | #include <tools_share/firmware_image_package.h> |
| 18 | |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 19 | static const io_dev_connector_t *fip_dev_con; |
| 20 | static uintptr_t fip_dev_handle; |
| 21 | |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 22 | #ifndef IMX7_FIP_MMAP |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 23 | static const io_dev_connector_t *mmc_dev_con; |
| 24 | static uintptr_t mmc_dev_handle; |
| 25 | |
| 26 | static const io_block_spec_t mmc_fip_spec = { |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 27 | .offset = IMX7_FIP_MMC_BASE, |
| 28 | .length = IMX7_FIP_SIZE |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 29 | }; |
| 30 | |
| 31 | static const io_block_dev_spec_t mmc_dev_spec = { |
| 32 | /* It's used as temp buffer in block driver. */ |
| 33 | .buffer = { |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 34 | .offset = IMX7_FIP_BASE, |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 35 | /* do we need a new value? */ |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 36 | .length = IMX7_FIP_SIZE |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 37 | }, |
| 38 | .ops = { |
| 39 | .read = mmc_read_blocks, |
| 40 | .write = mmc_write_blocks, |
| 41 | }, |
| 42 | .block_size = MMC_BLOCK_SIZE, |
| 43 | }; |
| 44 | |
| 45 | static int open_mmc(const uintptr_t spec); |
| 46 | |
| 47 | #else |
| 48 | static const io_dev_connector_t *memmap_dev_con; |
| 49 | static uintptr_t memmap_dev_handle; |
| 50 | |
| 51 | static const io_block_spec_t fip_block_spec = { |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 52 | .offset = IMX7_FIP_BASE, |
| 53 | .length = IMX7_FIP_SIZE |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 54 | }; |
| 55 | static int open_memmap(const uintptr_t spec); |
| 56 | #endif |
| 57 | static int open_fip(const uintptr_t spec); |
| 58 | |
| 59 | static const io_uuid_spec_t bl32_uuid_spec = { |
| 60 | .uuid = UUID_SECURE_PAYLOAD_BL32, |
| 61 | }; |
| 62 | |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 63 | static const io_uuid_spec_t bl32_extra1_uuid_spec = { |
| 64 | .uuid = UUID_SECURE_PAYLOAD_BL32_EXTRA1, |
| 65 | }; |
| 66 | |
| 67 | static const io_uuid_spec_t bl32_extra2_uuid_spec = { |
| 68 | .uuid = UUID_SECURE_PAYLOAD_BL32_EXTRA2, |
| 69 | }; |
| 70 | |
| 71 | static const io_uuid_spec_t bl33_uuid_spec = { |
| 72 | .uuid = UUID_NON_TRUSTED_FIRMWARE_BL33, |
| 73 | }; |
| 74 | |
Bryan O'Donoghue | 59ca2f6 | 2018-10-26 14:19:43 +0100 | [diff] [blame] | 75 | #if TRUSTED_BOARD_BOOT |
| 76 | static const io_uuid_spec_t tb_fw_cert_uuid_spec = { |
| 77 | .uuid = UUID_TRUSTED_BOOT_FW_CERT, |
| 78 | }; |
| 79 | |
| 80 | static const io_uuid_spec_t trusted_key_cert_uuid_spec = { |
| 81 | .uuid = UUID_TRUSTED_KEY_CERT, |
| 82 | }; |
| 83 | |
| 84 | static const io_uuid_spec_t tos_fw_key_cert_uuid_spec = { |
| 85 | .uuid = UUID_TRUSTED_OS_FW_KEY_CERT, |
| 86 | }; |
| 87 | |
| 88 | static const io_uuid_spec_t tos_fw_cert_uuid_spec = { |
| 89 | .uuid = UUID_TRUSTED_OS_FW_CONTENT_CERT, |
| 90 | }; |
| 91 | |
| 92 | static const io_uuid_spec_t nt_fw_key_cert_uuid_spec = { |
| 93 | .uuid = UUID_NON_TRUSTED_FW_KEY_CERT, |
| 94 | }; |
| 95 | |
| 96 | static const io_uuid_spec_t nt_fw_cert_uuid_spec = { |
| 97 | .uuid = UUID_NON_TRUSTED_FW_CONTENT_CERT, |
| 98 | }; |
| 99 | #endif /* TRUSTED_BOARD_BOOT */ |
| 100 | |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 101 | /* TODO: this structure is replicated multiple times. rationalize it ! */ |
| 102 | struct plat_io_policy { |
| 103 | uintptr_t *dev_handle; |
| 104 | uintptr_t image_spec; |
| 105 | int (*check)(const uintptr_t spec); |
| 106 | }; |
| 107 | |
| 108 | static const struct plat_io_policy policies[] = { |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 109 | #ifndef IMX7_FIP_MMAP |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 110 | [FIP_IMAGE_ID] = { |
| 111 | &mmc_dev_handle, |
| 112 | (uintptr_t)&mmc_fip_spec, |
| 113 | open_mmc |
| 114 | }, |
| 115 | #else |
| 116 | [FIP_IMAGE_ID] = { |
| 117 | &memmap_dev_handle, |
| 118 | (uintptr_t)&fip_block_spec, |
| 119 | open_memmap |
| 120 | }, |
| 121 | #endif |
| 122 | [BL32_IMAGE_ID] = { |
| 123 | &fip_dev_handle, |
| 124 | (uintptr_t)&bl32_uuid_spec, |
| 125 | open_fip |
| 126 | }, |
| 127 | [BL32_EXTRA1_IMAGE_ID] = { |
| 128 | &fip_dev_handle, |
| 129 | (uintptr_t)&bl32_extra1_uuid_spec, |
| 130 | open_fip |
| 131 | }, |
| 132 | [BL32_EXTRA2_IMAGE_ID] = { |
| 133 | &fip_dev_handle, |
| 134 | (uintptr_t)&bl32_extra2_uuid_spec, |
| 135 | open_fip |
| 136 | }, |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 137 | [BL33_IMAGE_ID] = { |
| 138 | &fip_dev_handle, |
| 139 | (uintptr_t)&bl33_uuid_spec, |
| 140 | open_fip |
Bryan O'Donoghue | 59ca2f6 | 2018-10-26 14:19:43 +0100 | [diff] [blame] | 141 | }, |
| 142 | #if TRUSTED_BOARD_BOOT |
| 143 | [TRUSTED_BOOT_FW_CERT_ID] = { |
| 144 | &fip_dev_handle, |
| 145 | (uintptr_t)&tb_fw_cert_uuid_spec, |
| 146 | open_fip |
| 147 | }, |
| 148 | [TRUSTED_KEY_CERT_ID] = { |
| 149 | &fip_dev_handle, |
| 150 | (uintptr_t)&trusted_key_cert_uuid_spec, |
| 151 | open_fip |
| 152 | }, |
| 153 | [TRUSTED_OS_FW_KEY_CERT_ID] = { |
| 154 | &fip_dev_handle, |
| 155 | (uintptr_t)&tos_fw_key_cert_uuid_spec, |
| 156 | open_fip |
| 157 | }, |
| 158 | [NON_TRUSTED_FW_KEY_CERT_ID] = { |
| 159 | &fip_dev_handle, |
| 160 | (uintptr_t)&nt_fw_key_cert_uuid_spec, |
| 161 | open_fip |
| 162 | }, |
| 163 | [TRUSTED_OS_FW_CONTENT_CERT_ID] = { |
| 164 | &fip_dev_handle, |
| 165 | (uintptr_t)&tos_fw_cert_uuid_spec, |
| 166 | open_fip |
| 167 | }, |
| 168 | [NON_TRUSTED_FW_CONTENT_CERT_ID] = { |
| 169 | &fip_dev_handle, |
| 170 | (uintptr_t)&nt_fw_cert_uuid_spec, |
| 171 | open_fip |
| 172 | }, |
| 173 | #endif /* TRUSTED_BOARD_BOOT */ |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 174 | }; |
| 175 | |
| 176 | static int open_fip(const uintptr_t spec) |
| 177 | { |
| 178 | int result; |
| 179 | uintptr_t local_image_handle; |
| 180 | |
| 181 | /* See if a Firmware Image Package is available */ |
| 182 | result = io_dev_init(fip_dev_handle, (uintptr_t)FIP_IMAGE_ID); |
| 183 | if (result == 0) { |
| 184 | result = io_open(fip_dev_handle, spec, &local_image_handle); |
| 185 | if (result == 0) { |
| 186 | VERBOSE("Using FIP\n"); |
| 187 | io_close(local_image_handle); |
| 188 | } |
| 189 | } |
| 190 | return result; |
| 191 | } |
| 192 | |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 193 | #ifndef IMX7_FIP_MMAP |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 194 | static int open_mmc(const uintptr_t spec) |
| 195 | { |
| 196 | int result; |
| 197 | uintptr_t local_handle; |
| 198 | |
| 199 | result = io_dev_init(mmc_dev_handle, (uintptr_t)NULL); |
| 200 | if (result == 0) { |
| 201 | result = io_open(mmc_dev_handle, spec, &local_handle); |
| 202 | if (result == 0) |
| 203 | io_close(local_handle); |
| 204 | } |
| 205 | return result; |
| 206 | } |
| 207 | #else |
| 208 | static int open_memmap(const uintptr_t spec) |
| 209 | { |
| 210 | int result; |
| 211 | uintptr_t local_image_handle; |
| 212 | |
| 213 | result = io_dev_init(memmap_dev_handle, (uintptr_t)NULL); |
| 214 | if (result == 0) { |
| 215 | result = io_open(memmap_dev_handle, spec, &local_image_handle); |
| 216 | if (result == 0) { |
| 217 | VERBOSE("Using Memmap\n"); |
| 218 | io_close(local_image_handle); |
| 219 | } |
| 220 | } |
| 221 | return result; |
| 222 | } |
| 223 | #endif |
| 224 | |
| 225 | int plat_get_image_source(unsigned int image_id, uintptr_t *dev_handle, |
| 226 | uintptr_t *image_spec) |
| 227 | { |
| 228 | int result; |
| 229 | const struct plat_io_policy *policy; |
| 230 | |
| 231 | assert(image_id < ARRAY_SIZE(policies)); |
| 232 | |
| 233 | policy = &policies[image_id]; |
| 234 | result = policy->check(policy->image_spec); |
| 235 | assert(result == 0); |
| 236 | |
| 237 | *image_spec = policy->image_spec; |
| 238 | *dev_handle = *policy->dev_handle; |
| 239 | |
| 240 | return result; |
| 241 | } |
| 242 | |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 243 | void plat_imx7_io_setup(void) |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 244 | { |
| 245 | int result __unused; |
| 246 | |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 247 | #ifndef IMX7_FIP_MMAP |
Bryan O'Donoghue | 4df2f17 | 2018-05-24 13:00:57 +0100 | [diff] [blame] | 248 | result = register_io_dev_block(&mmc_dev_con); |
| 249 | assert(result == 0); |
| 250 | |
| 251 | result = io_dev_open(mmc_dev_con, (uintptr_t)&mmc_dev_spec, |
| 252 | &mmc_dev_handle); |
| 253 | assert(result == 0); |
| 254 | |
| 255 | #else |
| 256 | result = register_io_dev_memmap(&memmap_dev_con); |
| 257 | assert(result == 0); |
| 258 | |
| 259 | result = io_dev_open(memmap_dev_con, (uintptr_t)NULL, |
| 260 | &memmap_dev_handle); |
| 261 | assert(result == 0); |
| 262 | |
| 263 | #endif |
| 264 | result = register_io_dev_fip(&fip_dev_con); |
| 265 | assert(result == 0); |
| 266 | |
| 267 | result = io_dev_open(fip_dev_con, (uintptr_t)NULL, |
| 268 | &fip_dev_handle); |
| 269 | assert(result == 0); |
| 270 | } |