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