1 /* 2 * (C) Copyright 2009 3 * Stefano Babic, DENX Software Engineering, sbabic@denx.de. 4 * 5 * (C) Copyright 2008 6 * Marvell Semiconductor <www.marvell.com> 7 * Written-by: Prafulla Wadaskar <prafulla@marvell.com> 8 * 9 * SPDX-License-Identifier: GPL-2.0+ 10 */ 11 12 #include "imagetool.h" 13 #include <image.h> 14 #include "imximage.h" 15 16 #define UNDEFINED 0xFFFFFFFF 17 18 /* 19 * Supported commands for configuration file 20 */ 21 static table_entry_t imximage_cmds[] = { 22 {CMD_BOOT_FROM, "BOOT_FROM", "boot command", }, 23 {CMD_BOOT_OFFSET, "BOOT_OFFSET", "Boot offset", }, 24 {CMD_WRITE_DATA, "DATA", "Reg Write Data", }, 25 {CMD_WRITE_CLR_BIT, "CLR_BIT", "Reg clear bit", }, 26 {CMD_CHECK_BITS_SET, "CHECK_BITS_SET", "Reg Check bits set", }, 27 {CMD_CHECK_BITS_CLR, "CHECK_BITS_CLR", "Reg Check bits clr", }, 28 {CMD_CSF, "CSF", "Command Sequence File", }, 29 {CMD_IMAGE_VERSION, "IMAGE_VERSION", "image version", }, 30 {-1, "", "", }, 31 }; 32 33 /* 34 * Supported Boot options for configuration file 35 * this is needed to set the correct flash offset 36 */ 37 static table_entry_t imximage_boot_offset[] = { 38 {FLASH_OFFSET_ONENAND, "onenand", "OneNAND Flash",}, 39 {FLASH_OFFSET_NAND, "nand", "NAND Flash", }, 40 {FLASH_OFFSET_NOR, "nor", "NOR Flash", }, 41 {FLASH_OFFSET_SATA, "sata", "SATA Disk", }, 42 {FLASH_OFFSET_SD, "sd", "SD Card", }, 43 {FLASH_OFFSET_SPI, "spi", "SPI Flash", }, 44 {FLASH_OFFSET_QSPI, "qspi", "QSPI NOR Flash",}, 45 {-1, "", "Invalid", }, 46 }; 47 48 /* 49 * Supported Boot options for configuration file 50 * this is needed to determine the initial load size 51 */ 52 static table_entry_t imximage_boot_loadsize[] = { 53 {FLASH_LOADSIZE_ONENAND, "onenand", "OneNAND Flash",}, 54 {FLASH_LOADSIZE_NAND, "nand", "NAND Flash", }, 55 {FLASH_LOADSIZE_NOR, "nor", "NOR Flash", }, 56 {FLASH_LOADSIZE_SATA, "sata", "SATA Disk", }, 57 {FLASH_LOADSIZE_SD, "sd", "SD Card", }, 58 {FLASH_LOADSIZE_SPI, "spi", "SPI Flash", }, 59 {FLASH_LOADSIZE_QSPI, "qspi", "QSPI NOR Flash",}, 60 {-1, "", "Invalid", }, 61 }; 62 63 /* 64 * IMXIMAGE version definition for i.MX chips 65 */ 66 static table_entry_t imximage_versions[] = { 67 {IMXIMAGE_V1, "", " (i.MX25/35/51 compatible)", }, 68 {IMXIMAGE_V2, "", " (i.MX53/6/7 compatible)", }, 69 {-1, "", " (Invalid)", }, 70 }; 71 72 static struct imx_header imximage_header; 73 static uint32_t imximage_version; 74 /* 75 * Image Vector Table Offset 76 * Initialized to a wrong not 4-bytes aligned address to 77 * check if it is was set by the cfg file. 78 */ 79 static uint32_t imximage_ivt_offset = UNDEFINED; 80 static uint32_t imximage_csf_size = UNDEFINED; 81 /* Initial Load Region Size */ 82 static uint32_t imximage_init_loadsize; 83 84 static set_dcd_val_t set_dcd_val; 85 static set_dcd_param_t set_dcd_param; 86 static set_dcd_rst_t set_dcd_rst; 87 static set_imx_hdr_t set_imx_hdr; 88 static uint32_t max_dcd_entries; 89 static uint32_t *header_size_ptr; 90 static uint32_t *csf_ptr; 91 92 static uint32_t get_cfg_value(char *token, char *name, int linenr) 93 { 94 char *endptr; 95 uint32_t value; 96 97 errno = 0; 98 value = strtoul(token, &endptr, 16); 99 if (errno || (token == endptr)) { 100 fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n", 101 name, linenr, token); 102 exit(EXIT_FAILURE); 103 } 104 return value; 105 } 106 107 static uint32_t detect_imximage_version(struct imx_header *imx_hdr) 108 { 109 imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1; 110 imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2; 111 flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; 112 flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; 113 114 /* Try to detect V1 */ 115 if ((fhdr_v1->app_code_barker == APP_CODE_BARKER) && 116 (hdr_v1->dcd_table.preamble.barker == DCD_BARKER)) 117 return IMXIMAGE_V1; 118 119 /* Try to detect V2 */ 120 if ((fhdr_v2->header.tag == IVT_HEADER_TAG) && 121 (hdr_v2->dcd_table.header.tag == DCD_HEADER_TAG)) 122 return IMXIMAGE_V2; 123 124 return IMXIMAGE_VER_INVALID; 125 } 126 127 static void err_imximage_version(int version) 128 { 129 fprintf(stderr, 130 "Error: Unsupported imximage version:%d\n", version); 131 132 exit(EXIT_FAILURE); 133 } 134 135 static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno, 136 int fld, uint32_t value, uint32_t off) 137 { 138 dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table; 139 140 switch (fld) { 141 case CFG_REG_SIZE: 142 /* Byte, halfword, word */ 143 if ((value != 1) && (value != 2) && (value != 4)) { 144 fprintf(stderr, "Error: %s[%d] - " 145 "Invalid register size " "(%d)\n", 146 name, lineno, value); 147 exit(EXIT_FAILURE); 148 } 149 dcd_v1->addr_data[off].type = value; 150 break; 151 case CFG_REG_ADDRESS: 152 dcd_v1->addr_data[off].addr = value; 153 break; 154 case CFG_REG_VALUE: 155 dcd_v1->addr_data[off].value = value; 156 break; 157 default: 158 break; 159 160 } 161 } 162 163 static void set_dcd_param_v2(struct imx_header *imxhdr, uint32_t dcd_len, 164 int32_t cmd) 165 { 166 dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table; 167 168 switch (cmd) { 169 case CMD_WRITE_DATA: 170 dcd_v2->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG; 171 dcd_v2->write_dcd_command.length = cpu_to_be16( 172 dcd_len * sizeof(dcd_addr_data_t) + 4); 173 dcd_v2->write_dcd_command.param = DCD_WRITE_DATA_PARAM; 174 break; 175 case CMD_WRITE_CLR_BIT: 176 dcd_v2->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG; 177 dcd_v2->write_dcd_command.length = cpu_to_be16( 178 dcd_len * sizeof(dcd_addr_data_t) + 4); 179 dcd_v2->write_dcd_command.param = DCD_WRITE_CLR_BIT_PARAM; 180 break; 181 /* 182 * Check data command only supports one entry, 183 * so use 0xC = size(address + value + command). 184 */ 185 case CMD_CHECK_BITS_SET: 186 dcd_v2->write_dcd_command.tag = DCD_CHECK_DATA_COMMAND_TAG; 187 dcd_v2->write_dcd_command.length = cpu_to_be16(0xC); 188 dcd_v2->write_dcd_command.param = DCD_CHECK_BITS_SET_PARAM; 189 break; 190 case CMD_CHECK_BITS_CLR: 191 dcd_v2->write_dcd_command.tag = DCD_CHECK_DATA_COMMAND_TAG; 192 dcd_v2->write_dcd_command.length = cpu_to_be16(0xC); 193 dcd_v2->write_dcd_command.param = DCD_CHECK_BITS_SET_PARAM; 194 break; 195 default: 196 break; 197 } 198 } 199 200 static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno, 201 int fld, uint32_t value, uint32_t off) 202 { 203 dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table; 204 205 switch (fld) { 206 case CFG_REG_ADDRESS: 207 dcd_v2->addr_data[off].addr = cpu_to_be32(value); 208 break; 209 case CFG_REG_VALUE: 210 dcd_v2->addr_data[off].value = cpu_to_be32(value); 211 break; 212 default: 213 break; 214 215 } 216 } 217 218 /* 219 * Complete setting up the rest field of DCD of V1 220 * such as barker code and DCD data length. 221 */ 222 static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len, 223 char *name, int lineno) 224 { 225 dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table; 226 227 dcd_v1->preamble.barker = DCD_BARKER; 228 dcd_v1->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t); 229 } 230 231 /* 232 * Complete setting up the reset field of DCD of V2 233 * such as DCD tag, version, length, etc. 234 */ 235 static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len, 236 char *name, int lineno) 237 { 238 dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table; 239 240 dcd_v2->header.tag = DCD_HEADER_TAG; 241 dcd_v2->header.length = cpu_to_be16( 242 dcd_len * sizeof(dcd_addr_data_t) + 8); 243 dcd_v2->header.version = DCD_VERSION; 244 set_dcd_param_v2(imxhdr, dcd_len, CMD_WRITE_DATA); 245 } 246 247 static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len, 248 uint32_t entry_point, uint32_t flash_offset) 249 { 250 imx_header_v1_t *hdr_v1 = &imxhdr->header.hdr_v1; 251 flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; 252 dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table; 253 uint32_t hdr_base; 254 uint32_t header_length = (((char *)&dcd_v1->addr_data[dcd_len].addr) 255 - ((char *)imxhdr)); 256 257 /* Set magic number */ 258 fhdr_v1->app_code_barker = APP_CODE_BARKER; 259 260 /* TODO: check i.MX image V1 handling, for now use 'old' style */ 261 hdr_base = entry_point - 4096; 262 fhdr_v1->app_dest_ptr = hdr_base - flash_offset; 263 fhdr_v1->app_code_jump_vector = entry_point; 264 265 fhdr_v1->dcd_ptr_ptr = hdr_base + offsetof(flash_header_v1_t, dcd_ptr); 266 fhdr_v1->dcd_ptr = hdr_base + offsetof(imx_header_v1_t, dcd_table); 267 268 /* Security feature are not supported */ 269 fhdr_v1->app_code_csf = 0; 270 fhdr_v1->super_root_key = 0; 271 header_size_ptr = (uint32_t *)(((char *)imxhdr) + header_length - 4); 272 } 273 274 static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len, 275 uint32_t entry_point, uint32_t flash_offset) 276 { 277 imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2; 278 flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; 279 uint32_t hdr_base; 280 281 /* Set magic number */ 282 fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */ 283 fhdr_v2->header.length = cpu_to_be16(sizeof(flash_header_v2_t)); 284 fhdr_v2->header.version = IVT_VERSION; /* 0x40 */ 285 286 fhdr_v2->entry = entry_point; 287 fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0; 288 hdr_base = entry_point - imximage_init_loadsize + 289 flash_offset; 290 fhdr_v2->self = hdr_base; 291 if (dcd_len > 0) 292 fhdr_v2->dcd_ptr = hdr_base 293 + offsetof(imx_header_v2_t, dcd_table); 294 else 295 fhdr_v2->dcd_ptr = 0; 296 fhdr_v2->boot_data_ptr = hdr_base 297 + offsetof(imx_header_v2_t, boot_data); 298 hdr_v2->boot_data.start = entry_point - imximage_init_loadsize; 299 300 fhdr_v2->csf = 0; 301 302 header_size_ptr = &hdr_v2->boot_data.size; 303 csf_ptr = &fhdr_v2->csf; 304 } 305 306 static void set_hdr_func(void) 307 { 308 switch (imximage_version) { 309 case IMXIMAGE_V1: 310 set_dcd_val = set_dcd_val_v1; 311 set_dcd_param = NULL; 312 set_dcd_rst = set_dcd_rst_v1; 313 set_imx_hdr = set_imx_hdr_v1; 314 max_dcd_entries = MAX_HW_CFG_SIZE_V1; 315 break; 316 case IMXIMAGE_V2: 317 set_dcd_val = set_dcd_val_v2; 318 set_dcd_param = set_dcd_param_v2; 319 set_dcd_rst = set_dcd_rst_v2; 320 set_imx_hdr = set_imx_hdr_v2; 321 max_dcd_entries = MAX_HW_CFG_SIZE_V2; 322 break; 323 default: 324 err_imximage_version(imximage_version); 325 break; 326 } 327 } 328 329 static void print_hdr_v1(struct imx_header *imx_hdr) 330 { 331 imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1; 332 flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; 333 dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table; 334 uint32_t size, length, ver; 335 336 size = dcd_v1->preamble.length; 337 if (size > (MAX_HW_CFG_SIZE_V1 * sizeof(dcd_type_addr_data_t))) { 338 fprintf(stderr, 339 "Error: Image corrupt DCD size %d exceed maximum %d\n", 340 (uint32_t)(size / sizeof(dcd_type_addr_data_t)), 341 MAX_HW_CFG_SIZE_V1); 342 exit(EXIT_FAILURE); 343 } 344 345 length = dcd_v1->preamble.length / sizeof(dcd_type_addr_data_t); 346 ver = detect_imximage_version(imx_hdr); 347 348 printf("Image Type: Freescale IMX Boot Image\n"); 349 printf("Image Ver: %x", ver); 350 printf("%s\n", get_table_entry_name(imximage_versions, NULL, ver)); 351 printf("Data Size: "); 352 genimg_print_size(dcd_v1->addr_data[length].type); 353 printf("Load Address: %08x\n", (uint32_t)fhdr_v1->app_dest_ptr); 354 printf("Entry Point: %08x\n", (uint32_t)fhdr_v1->app_code_jump_vector); 355 } 356 357 static void print_hdr_v2(struct imx_header *imx_hdr) 358 { 359 imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2; 360 flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; 361 dcd_v2_t *dcd_v2 = &hdr_v2->dcd_table; 362 uint32_t size, version; 363 364 size = be16_to_cpu(dcd_v2->header.length) - 8; 365 if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) { 366 fprintf(stderr, 367 "Error: Image corrupt DCD size %d exceed maximum %d\n", 368 (uint32_t)(size / sizeof(dcd_addr_data_t)), 369 MAX_HW_CFG_SIZE_V2); 370 exit(EXIT_FAILURE); 371 } 372 373 version = detect_imximage_version(imx_hdr); 374 375 printf("Image Type: Freescale IMX Boot Image\n"); 376 printf("Image Ver: %x", version); 377 printf("%s\n", get_table_entry_name(imximage_versions, NULL, version)); 378 printf("Data Size: "); 379 genimg_print_size(hdr_v2->boot_data.size); 380 printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr); 381 printf("Entry Point: %08x\n", (uint32_t)fhdr_v2->entry); 382 if (fhdr_v2->csf && (imximage_ivt_offset != UNDEFINED) && 383 (imximage_csf_size != UNDEFINED)) { 384 printf("HAB Blocks: %08x %08x %08x\n", 385 (uint32_t)fhdr_v2->self, 0, 386 hdr_v2->boot_data.size - imximage_ivt_offset - 387 imximage_csf_size); 388 } 389 } 390 391 static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token, 392 char *name, int lineno, int fld, int dcd_len) 393 { 394 int value; 395 static int cmd_ver_first = ~0; 396 397 switch (cmd) { 398 case CMD_IMAGE_VERSION: 399 imximage_version = get_cfg_value(token, name, lineno); 400 if (cmd_ver_first == 0) { 401 fprintf(stderr, "Error: %s[%d] - IMAGE_VERSION " 402 "command need be the first before other " 403 "valid command in the file\n", name, lineno); 404 exit(EXIT_FAILURE); 405 } 406 cmd_ver_first = 1; 407 set_hdr_func(); 408 break; 409 case CMD_BOOT_FROM: 410 imximage_ivt_offset = get_table_entry_id(imximage_boot_offset, 411 "imximage boot option", token); 412 if (imximage_ivt_offset == -1) { 413 fprintf(stderr, "Error: %s[%d] -Invalid boot device" 414 "(%s)\n", name, lineno, token); 415 exit(EXIT_FAILURE); 416 } 417 418 imximage_init_loadsize = 419 get_table_entry_id(imximage_boot_loadsize, 420 "imximage boot option", token); 421 422 if (imximage_init_loadsize == -1) { 423 fprintf(stderr, 424 "Error: %s[%d] -Invalid boot device(%s)\n", 425 name, lineno, token); 426 exit(EXIT_FAILURE); 427 } 428 429 /* 430 * The SOC loads from the storage starting at address 0 431 * then ensures that the load size contains the offset 432 */ 433 if (imximage_init_loadsize < imximage_ivt_offset) 434 imximage_init_loadsize = imximage_ivt_offset; 435 if (unlikely(cmd_ver_first != 1)) 436 cmd_ver_first = 0; 437 break; 438 case CMD_BOOT_OFFSET: 439 imximage_ivt_offset = get_cfg_value(token, name, lineno); 440 if (unlikely(cmd_ver_first != 1)) 441 cmd_ver_first = 0; 442 break; 443 case CMD_WRITE_DATA: 444 case CMD_WRITE_CLR_BIT: 445 case CMD_CHECK_BITS_SET: 446 case CMD_CHECK_BITS_CLR: 447 value = get_cfg_value(token, name, lineno); 448 if (set_dcd_param) 449 (*set_dcd_param)(imxhdr, dcd_len, cmd); 450 (*set_dcd_val)(imxhdr, name, lineno, fld, value, dcd_len); 451 if (unlikely(cmd_ver_first != 1)) 452 cmd_ver_first = 0; 453 break; 454 case CMD_CSF: 455 if (imximage_version != 2) { 456 fprintf(stderr, 457 "Error: %s[%d] - CSF only supported for VERSION 2(%s)\n", 458 name, lineno, token); 459 exit(EXIT_FAILURE); 460 } 461 imximage_csf_size = get_cfg_value(token, name, lineno); 462 if (unlikely(cmd_ver_first != 1)) 463 cmd_ver_first = 0; 464 break; 465 } 466 } 467 468 static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd, 469 char *token, char *name, int lineno, int fld, int *dcd_len) 470 { 471 int value; 472 473 switch (fld) { 474 case CFG_COMMAND: 475 *cmd = get_table_entry_id(imximage_cmds, 476 "imximage commands", token); 477 if (*cmd < 0) { 478 fprintf(stderr, "Error: %s[%d] - Invalid command" 479 "(%s)\n", name, lineno, token); 480 exit(EXIT_FAILURE); 481 } 482 break; 483 case CFG_REG_SIZE: 484 parse_cfg_cmd(imxhdr, *cmd, token, name, lineno, fld, *dcd_len); 485 break; 486 case CFG_REG_ADDRESS: 487 case CFG_REG_VALUE: 488 switch(*cmd) { 489 case CMD_WRITE_DATA: 490 case CMD_WRITE_CLR_BIT: 491 case CMD_CHECK_BITS_SET: 492 case CMD_CHECK_BITS_CLR: 493 494 value = get_cfg_value(token, name, lineno); 495 if (set_dcd_param) 496 (*set_dcd_param)(imxhdr, *dcd_len, *cmd); 497 (*set_dcd_val)(imxhdr, name, lineno, fld, value, 498 *dcd_len); 499 500 if (fld == CFG_REG_VALUE) { 501 (*dcd_len)++; 502 if (*dcd_len > max_dcd_entries) { 503 fprintf(stderr, "Error: %s[%d] -" 504 "DCD table exceeds maximum size(%d)\n", 505 name, lineno, max_dcd_entries); 506 exit(EXIT_FAILURE); 507 } 508 } 509 break; 510 default: 511 break; 512 } 513 break; 514 default: 515 break; 516 } 517 } 518 static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name) 519 { 520 FILE *fd = NULL; 521 char *line = NULL; 522 char *token, *saveptr1, *saveptr2; 523 int lineno = 0; 524 int fld; 525 size_t len; 526 int dcd_len = 0; 527 int32_t cmd; 528 529 fd = fopen(name, "r"); 530 if (fd == 0) { 531 fprintf(stderr, "Error: %s - Can't open DCD file\n", name); 532 exit(EXIT_FAILURE); 533 } 534 535 /* 536 * Very simple parsing, line starting with # are comments 537 * and are dropped 538 */ 539 while ((getline(&line, &len, fd)) > 0) { 540 lineno++; 541 542 token = strtok_r(line, "\r\n", &saveptr1); 543 if (token == NULL) 544 continue; 545 546 /* Check inside the single line */ 547 for (fld = CFG_COMMAND, cmd = CMD_INVALID, 548 line = token; ; line = NULL, fld++) { 549 token = strtok_r(line, " \t", &saveptr2); 550 if (token == NULL) 551 break; 552 553 /* Drop all text starting with '#' as comments */ 554 if (token[0] == '#') 555 break; 556 557 parse_cfg_fld(imxhdr, &cmd, token, name, 558 lineno, fld, &dcd_len); 559 } 560 561 } 562 563 (*set_dcd_rst)(imxhdr, dcd_len, name, lineno); 564 fclose(fd); 565 566 /* Exit if there is no BOOT_FROM field specifying the flash_offset */ 567 if (imximage_ivt_offset == FLASH_OFFSET_UNDEFINED) { 568 fprintf(stderr, "Error: No BOOT_FROM tag in %s\n", name); 569 exit(EXIT_FAILURE); 570 } 571 return dcd_len; 572 } 573 574 575 static int imximage_check_image_types(uint8_t type) 576 { 577 if (type == IH_TYPE_IMXIMAGE) 578 return EXIT_SUCCESS; 579 else 580 return EXIT_FAILURE; 581 } 582 583 static int imximage_verify_header(unsigned char *ptr, int image_size, 584 struct image_tool_params *params) 585 { 586 struct imx_header *imx_hdr = (struct imx_header *) ptr; 587 588 if (detect_imximage_version(imx_hdr) == IMXIMAGE_VER_INVALID) 589 return -FDT_ERR_BADSTRUCTURE; 590 591 return 0; 592 } 593 594 static void imximage_print_header(const void *ptr) 595 { 596 struct imx_header *imx_hdr = (struct imx_header *) ptr; 597 uint32_t version = detect_imximage_version(imx_hdr); 598 599 switch (version) { 600 case IMXIMAGE_V1: 601 print_hdr_v1(imx_hdr); 602 break; 603 case IMXIMAGE_V2: 604 print_hdr_v2(imx_hdr); 605 break; 606 default: 607 err_imximage_version(version); 608 break; 609 } 610 } 611 612 static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd, 613 struct image_tool_params *params) 614 { 615 struct imx_header *imxhdr = (struct imx_header *)ptr; 616 uint32_t dcd_len; 617 618 /* 619 * In order to not change the old imx cfg file 620 * by adding VERSION command into it, here need 621 * set up function ptr group to V1 by default. 622 */ 623 imximage_version = IMXIMAGE_V1; 624 /* Be able to detect if the cfg file has no BOOT_FROM tag */ 625 imximage_ivt_offset = FLASH_OFFSET_UNDEFINED; 626 imximage_csf_size = 0; 627 set_hdr_func(); 628 629 /* Parse dcd configuration file */ 630 dcd_len = parse_cfg_file(imxhdr, params->imagename); 631 632 if (imximage_version == IMXIMAGE_V2) { 633 if (imximage_init_loadsize < imximage_ivt_offset + 634 sizeof(imx_header_v2_t)) 635 imximage_init_loadsize = imximage_ivt_offset + 636 sizeof(imx_header_v2_t); 637 } 638 639 /* Set the imx header */ 640 (*set_imx_hdr)(imxhdr, dcd_len, params->ep, imximage_ivt_offset); 641 642 /* 643 * ROM bug alert 644 * 645 * MX53 only loads 512 byte multiples in case of SD boot. 646 * MX53 only loads NAND page multiples in case of NAND boot and 647 * supports up to 4096 byte large pages, thus align to 4096. 648 * 649 * The remaining fraction of a block bytes would not be loaded! 650 */ 651 *header_size_ptr = ROUND((sbuf->st_size + imximage_ivt_offset), 4096); 652 653 if (csf_ptr && imximage_csf_size) { 654 *csf_ptr = params->ep - imximage_init_loadsize + 655 *header_size_ptr; 656 *header_size_ptr += imximage_csf_size; 657 } 658 } 659 660 int imximage_check_params(struct image_tool_params *params) 661 { 662 if (!params) 663 return CFG_INVALID; 664 if (!strlen(params->imagename)) { 665 fprintf(stderr, "Error: %s - Configuration file not specified, " 666 "it is needed for imximage generation\n", 667 params->cmdname); 668 return CFG_INVALID; 669 } 670 /* 671 * Check parameters: 672 * XIP is not allowed and verify that incompatible 673 * parameters are not sent at the same time 674 * For example, if list is required a data image must not be provided 675 */ 676 return (params->dflag && (params->fflag || params->lflag)) || 677 (params->fflag && (params->dflag || params->lflag)) || 678 (params->lflag && (params->dflag || params->fflag)) || 679 (params->xflag) || !(strlen(params->imagename)); 680 } 681 682 static int imximage_generate(struct image_tool_params *params, 683 struct image_type_params *tparams) 684 { 685 struct imx_header *imxhdr; 686 size_t alloc_len; 687 struct stat sbuf; 688 char *datafile = params->datafile; 689 uint32_t pad_len; 690 691 memset(&imximage_header, 0, sizeof(imximage_header)); 692 693 /* 694 * In order to not change the old imx cfg file 695 * by adding VERSION command into it, here need 696 * set up function ptr group to V1 by default. 697 */ 698 imximage_version = IMXIMAGE_V1; 699 /* Be able to detect if the cfg file has no BOOT_FROM tag */ 700 imximage_ivt_offset = FLASH_OFFSET_UNDEFINED; 701 imximage_csf_size = 0; 702 set_hdr_func(); 703 704 /* Parse dcd configuration file */ 705 parse_cfg_file(&imximage_header, params->imagename); 706 707 /* TODO: check i.MX image V1 handling, for now use 'old' style */ 708 if (imximage_version == IMXIMAGE_V1) { 709 alloc_len = 4096; 710 } else { 711 if (imximage_init_loadsize < imximage_ivt_offset + 712 sizeof(imx_header_v2_t)) 713 imximage_init_loadsize = imximage_ivt_offset + 714 sizeof(imx_header_v2_t); 715 alloc_len = imximage_init_loadsize - imximage_ivt_offset; 716 } 717 718 if (alloc_len < sizeof(struct imx_header)) { 719 fprintf(stderr, "%s: header error\n", 720 params->cmdname); 721 exit(EXIT_FAILURE); 722 } 723 724 imxhdr = malloc(alloc_len); 725 726 if (!imxhdr) { 727 fprintf(stderr, "%s: malloc return failure: %s\n", 728 params->cmdname, strerror(errno)); 729 exit(EXIT_FAILURE); 730 } 731 732 memset(imxhdr, 0, alloc_len); 733 734 tparams->header_size = alloc_len; 735 tparams->hdr = imxhdr; 736 737 /* determine data image file length */ 738 739 if (stat(datafile, &sbuf) < 0) { 740 fprintf(stderr, "%s: Can't stat %s: %s\n", 741 params->cmdname, datafile, strerror(errno)); 742 exit(EXIT_FAILURE); 743 } 744 745 pad_len = ROUND(sbuf.st_size, 4096) - sbuf.st_size; 746 747 /* TODO: check i.MX image V1 handling, for now use 'old' style */ 748 if (imximage_version == IMXIMAGE_V1) 749 return 0; 750 else 751 return pad_len; 752 } 753 754 755 /* 756 * imximage parameters 757 */ 758 U_BOOT_IMAGE_TYPE( 759 imximage, 760 "Freescale i.MX Boot Image support", 761 0, 762 NULL, 763 imximage_check_params, 764 imximage_verify_header, 765 imximage_print_header, 766 imximage_set_header, 767 NULL, 768 imximage_check_image_types, 769 NULL, 770 imximage_generate 771 ); 772