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 fhdr_v2->dcd_ptr = hdr_base + offsetof(imx_header_v2_t, dcd_table); 292 fhdr_v2->boot_data_ptr = hdr_base 293 + offsetof(imx_header_v2_t, boot_data); 294 hdr_v2->boot_data.start = entry_point - imximage_init_loadsize; 295 296 fhdr_v2->csf = 0; 297 298 header_size_ptr = &hdr_v2->boot_data.size; 299 csf_ptr = &fhdr_v2->csf; 300 } 301 302 static void set_hdr_func(void) 303 { 304 switch (imximage_version) { 305 case IMXIMAGE_V1: 306 set_dcd_val = set_dcd_val_v1; 307 set_dcd_param = NULL; 308 set_dcd_rst = set_dcd_rst_v1; 309 set_imx_hdr = set_imx_hdr_v1; 310 max_dcd_entries = MAX_HW_CFG_SIZE_V1; 311 break; 312 case IMXIMAGE_V2: 313 set_dcd_val = set_dcd_val_v2; 314 set_dcd_param = set_dcd_param_v2; 315 set_dcd_rst = set_dcd_rst_v2; 316 set_imx_hdr = set_imx_hdr_v2; 317 max_dcd_entries = MAX_HW_CFG_SIZE_V2; 318 break; 319 default: 320 err_imximage_version(imximage_version); 321 break; 322 } 323 } 324 325 static void print_hdr_v1(struct imx_header *imx_hdr) 326 { 327 imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1; 328 flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; 329 dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table; 330 uint32_t size, length, ver; 331 332 size = dcd_v1->preamble.length; 333 if (size > (MAX_HW_CFG_SIZE_V1 * sizeof(dcd_type_addr_data_t))) { 334 fprintf(stderr, 335 "Error: Image corrupt DCD size %d exceed maximum %d\n", 336 (uint32_t)(size / sizeof(dcd_type_addr_data_t)), 337 MAX_HW_CFG_SIZE_V1); 338 exit(EXIT_FAILURE); 339 } 340 341 length = dcd_v1->preamble.length / sizeof(dcd_type_addr_data_t); 342 ver = detect_imximage_version(imx_hdr); 343 344 printf("Image Type: Freescale IMX Boot Image\n"); 345 printf("Image Ver: %x", ver); 346 printf("%s\n", get_table_entry_name(imximage_versions, NULL, ver)); 347 printf("Data Size: "); 348 genimg_print_size(dcd_v1->addr_data[length].type); 349 printf("Load Address: %08x\n", (uint32_t)fhdr_v1->app_dest_ptr); 350 printf("Entry Point: %08x\n", (uint32_t)fhdr_v1->app_code_jump_vector); 351 } 352 353 static void print_hdr_v2(struct imx_header *imx_hdr) 354 { 355 imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2; 356 flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; 357 dcd_v2_t *dcd_v2 = &hdr_v2->dcd_table; 358 uint32_t size, version; 359 360 size = be16_to_cpu(dcd_v2->header.length) - 8; 361 if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) { 362 fprintf(stderr, 363 "Error: Image corrupt DCD size %d exceed maximum %d\n", 364 (uint32_t)(size / sizeof(dcd_addr_data_t)), 365 MAX_HW_CFG_SIZE_V2); 366 exit(EXIT_FAILURE); 367 } 368 369 version = detect_imximage_version(imx_hdr); 370 371 printf("Image Type: Freescale IMX Boot Image\n"); 372 printf("Image Ver: %x", version); 373 printf("%s\n", get_table_entry_name(imximage_versions, NULL, version)); 374 printf("Data Size: "); 375 genimg_print_size(hdr_v2->boot_data.size); 376 printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr); 377 printf("Entry Point: %08x\n", (uint32_t)fhdr_v2->entry); 378 if (fhdr_v2->csf && (imximage_ivt_offset != UNDEFINED) && 379 (imximage_csf_size != UNDEFINED)) { 380 printf("HAB Blocks: %08x %08x %08x\n", 381 (uint32_t)fhdr_v2->self, 0, 382 hdr_v2->boot_data.size - imximage_ivt_offset - 383 imximage_csf_size); 384 } 385 } 386 387 static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token, 388 char *name, int lineno, int fld, int dcd_len) 389 { 390 int value; 391 static int cmd_ver_first = ~0; 392 393 switch (cmd) { 394 case CMD_IMAGE_VERSION: 395 imximage_version = get_cfg_value(token, name, lineno); 396 if (cmd_ver_first == 0) { 397 fprintf(stderr, "Error: %s[%d] - IMAGE_VERSION " 398 "command need be the first before other " 399 "valid command in the file\n", name, lineno); 400 exit(EXIT_FAILURE); 401 } 402 cmd_ver_first = 1; 403 set_hdr_func(); 404 break; 405 case CMD_BOOT_FROM: 406 imximage_ivt_offset = get_table_entry_id(imximage_boot_offset, 407 "imximage boot option", token); 408 if (imximage_ivt_offset == -1) { 409 fprintf(stderr, "Error: %s[%d] -Invalid boot device" 410 "(%s)\n", name, lineno, token); 411 exit(EXIT_FAILURE); 412 } 413 414 imximage_init_loadsize = 415 get_table_entry_id(imximage_boot_loadsize, 416 "imximage boot option", token); 417 418 if (imximage_init_loadsize == -1) { 419 fprintf(stderr, 420 "Error: %s[%d] -Invalid boot device(%s)\n", 421 name, lineno, token); 422 exit(EXIT_FAILURE); 423 } 424 425 /* 426 * The SOC loads from the storage starting at address 0 427 * then ensures that the load size contains the offset 428 */ 429 if (imximage_init_loadsize < imximage_ivt_offset) 430 imximage_init_loadsize = imximage_ivt_offset; 431 if (unlikely(cmd_ver_first != 1)) 432 cmd_ver_first = 0; 433 break; 434 case CMD_BOOT_OFFSET: 435 imximage_ivt_offset = get_cfg_value(token, name, lineno); 436 if (unlikely(cmd_ver_first != 1)) 437 cmd_ver_first = 0; 438 break; 439 case CMD_WRITE_DATA: 440 case CMD_WRITE_CLR_BIT: 441 case CMD_CHECK_BITS_SET: 442 case CMD_CHECK_BITS_CLR: 443 value = get_cfg_value(token, name, lineno); 444 if (set_dcd_param) 445 (*set_dcd_param)(imxhdr, dcd_len, cmd); 446 (*set_dcd_val)(imxhdr, name, lineno, fld, value, dcd_len); 447 if (unlikely(cmd_ver_first != 1)) 448 cmd_ver_first = 0; 449 break; 450 case CMD_CSF: 451 if (imximage_version != 2) { 452 fprintf(stderr, 453 "Error: %s[%d] - CSF only supported for VERSION 2(%s)\n", 454 name, lineno, token); 455 exit(EXIT_FAILURE); 456 } 457 imximage_csf_size = get_cfg_value(token, name, lineno); 458 if (unlikely(cmd_ver_first != 1)) 459 cmd_ver_first = 0; 460 break; 461 } 462 } 463 464 static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd, 465 char *token, char *name, int lineno, int fld, int *dcd_len) 466 { 467 int value; 468 469 switch (fld) { 470 case CFG_COMMAND: 471 *cmd = get_table_entry_id(imximage_cmds, 472 "imximage commands", token); 473 if (*cmd < 0) { 474 fprintf(stderr, "Error: %s[%d] - Invalid command" 475 "(%s)\n", name, lineno, token); 476 exit(EXIT_FAILURE); 477 } 478 break; 479 case CFG_REG_SIZE: 480 parse_cfg_cmd(imxhdr, *cmd, token, name, lineno, fld, *dcd_len); 481 break; 482 case CFG_REG_ADDRESS: 483 case CFG_REG_VALUE: 484 switch(*cmd) { 485 case CMD_WRITE_DATA: 486 case CMD_WRITE_CLR_BIT: 487 case CMD_CHECK_BITS_SET: 488 case CMD_CHECK_BITS_CLR: 489 490 value = get_cfg_value(token, name, lineno); 491 if (set_dcd_param) 492 (*set_dcd_param)(imxhdr, *dcd_len, *cmd); 493 (*set_dcd_val)(imxhdr, name, lineno, fld, value, 494 *dcd_len); 495 496 if (fld == CFG_REG_VALUE) { 497 (*dcd_len)++; 498 if (*dcd_len > max_dcd_entries) { 499 fprintf(stderr, "Error: %s[%d] -" 500 "DCD table exceeds maximum size(%d)\n", 501 name, lineno, max_dcd_entries); 502 exit(EXIT_FAILURE); 503 } 504 } 505 break; 506 default: 507 break; 508 } 509 break; 510 default: 511 break; 512 } 513 } 514 static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name) 515 { 516 FILE *fd = NULL; 517 char *line = NULL; 518 char *token, *saveptr1, *saveptr2; 519 int lineno = 0; 520 int fld; 521 size_t len; 522 int dcd_len = 0; 523 int32_t cmd; 524 525 fd = fopen(name, "r"); 526 if (fd == 0) { 527 fprintf(stderr, "Error: %s - Can't open DCD file\n", name); 528 exit(EXIT_FAILURE); 529 } 530 531 /* 532 * Very simple parsing, line starting with # are comments 533 * and are dropped 534 */ 535 while ((getline(&line, &len, fd)) > 0) { 536 lineno++; 537 538 token = strtok_r(line, "\r\n", &saveptr1); 539 if (token == NULL) 540 continue; 541 542 /* Check inside the single line */ 543 for (fld = CFG_COMMAND, cmd = CMD_INVALID, 544 line = token; ; line = NULL, fld++) { 545 token = strtok_r(line, " \t", &saveptr2); 546 if (token == NULL) 547 break; 548 549 /* Drop all text starting with '#' as comments */ 550 if (token[0] == '#') 551 break; 552 553 parse_cfg_fld(imxhdr, &cmd, token, name, 554 lineno, fld, &dcd_len); 555 } 556 557 } 558 559 (*set_dcd_rst)(imxhdr, dcd_len, name, lineno); 560 fclose(fd); 561 562 /* Exit if there is no BOOT_FROM field specifying the flash_offset */ 563 if (imximage_ivt_offset == FLASH_OFFSET_UNDEFINED) { 564 fprintf(stderr, "Error: No BOOT_FROM tag in %s\n", name); 565 exit(EXIT_FAILURE); 566 } 567 return dcd_len; 568 } 569 570 571 static int imximage_check_image_types(uint8_t type) 572 { 573 if (type == IH_TYPE_IMXIMAGE) 574 return EXIT_SUCCESS; 575 else 576 return EXIT_FAILURE; 577 } 578 579 static int imximage_verify_header(unsigned char *ptr, int image_size, 580 struct image_tool_params *params) 581 { 582 struct imx_header *imx_hdr = (struct imx_header *) ptr; 583 584 if (detect_imximage_version(imx_hdr) == IMXIMAGE_VER_INVALID) 585 return -FDT_ERR_BADSTRUCTURE; 586 587 return 0; 588 } 589 590 static void imximage_print_header(const void *ptr) 591 { 592 struct imx_header *imx_hdr = (struct imx_header *) ptr; 593 uint32_t version = detect_imximage_version(imx_hdr); 594 595 switch (version) { 596 case IMXIMAGE_V1: 597 print_hdr_v1(imx_hdr); 598 break; 599 case IMXIMAGE_V2: 600 print_hdr_v2(imx_hdr); 601 break; 602 default: 603 err_imximage_version(version); 604 break; 605 } 606 } 607 608 static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd, 609 struct image_tool_params *params) 610 { 611 struct imx_header *imxhdr = (struct imx_header *)ptr; 612 uint32_t dcd_len; 613 614 /* 615 * In order to not change the old imx cfg file 616 * by adding VERSION command into it, here need 617 * set up function ptr group to V1 by default. 618 */ 619 imximage_version = IMXIMAGE_V1; 620 /* Be able to detect if the cfg file has no BOOT_FROM tag */ 621 imximage_ivt_offset = FLASH_OFFSET_UNDEFINED; 622 imximage_csf_size = 0; 623 set_hdr_func(); 624 625 /* Parse dcd configuration file */ 626 dcd_len = parse_cfg_file(imxhdr, params->imagename); 627 628 if (imximage_version == IMXIMAGE_V2) { 629 if (imximage_init_loadsize < imximage_ivt_offset + 630 sizeof(imx_header_v2_t)) 631 imximage_init_loadsize = imximage_ivt_offset + 632 sizeof(imx_header_v2_t); 633 } 634 635 /* Set the imx header */ 636 (*set_imx_hdr)(imxhdr, dcd_len, params->ep, imximage_ivt_offset); 637 638 /* 639 * ROM bug alert 640 * 641 * MX53 only loads 512 byte multiples in case of SD boot. 642 * MX53 only loads NAND page multiples in case of NAND boot and 643 * supports up to 4096 byte large pages, thus align to 4096. 644 * 645 * The remaining fraction of a block bytes would not be loaded! 646 */ 647 *header_size_ptr = ROUND((sbuf->st_size + imximage_ivt_offset), 4096); 648 649 if (csf_ptr && imximage_csf_size) { 650 *csf_ptr = params->ep - imximage_init_loadsize + 651 *header_size_ptr; 652 *header_size_ptr += imximage_csf_size; 653 } 654 } 655 656 int imximage_check_params(struct image_tool_params *params) 657 { 658 if (!params) 659 return CFG_INVALID; 660 if (!strlen(params->imagename)) { 661 fprintf(stderr, "Error: %s - Configuration file not specified, " 662 "it is needed for imximage generation\n", 663 params->cmdname); 664 return CFG_INVALID; 665 } 666 /* 667 * Check parameters: 668 * XIP is not allowed and verify that incompatible 669 * parameters are not sent at the same time 670 * For example, if list is required a data image must not be provided 671 */ 672 return (params->dflag && (params->fflag || params->lflag)) || 673 (params->fflag && (params->dflag || params->lflag)) || 674 (params->lflag && (params->dflag || params->fflag)) || 675 (params->xflag) || !(strlen(params->imagename)); 676 } 677 678 static int imximage_generate(struct image_tool_params *params, 679 struct image_type_params *tparams) 680 { 681 struct imx_header *imxhdr; 682 size_t alloc_len; 683 struct stat sbuf; 684 char *datafile = params->datafile; 685 uint32_t pad_len; 686 687 memset(&imximage_header, 0, sizeof(imximage_header)); 688 689 /* 690 * In order to not change the old imx cfg file 691 * by adding VERSION command into it, here need 692 * set up function ptr group to V1 by default. 693 */ 694 imximage_version = IMXIMAGE_V1; 695 /* Be able to detect if the cfg file has no BOOT_FROM tag */ 696 imximage_ivt_offset = FLASH_OFFSET_UNDEFINED; 697 imximage_csf_size = 0; 698 set_hdr_func(); 699 700 /* Parse dcd configuration file */ 701 parse_cfg_file(&imximage_header, params->imagename); 702 703 /* TODO: check i.MX image V1 handling, for now use 'old' style */ 704 if (imximage_version == IMXIMAGE_V1) { 705 alloc_len = 4096; 706 } else { 707 if (imximage_init_loadsize < imximage_ivt_offset + 708 sizeof(imx_header_v2_t)) 709 imximage_init_loadsize = imximage_ivt_offset + 710 sizeof(imx_header_v2_t); 711 alloc_len = imximage_init_loadsize - imximage_ivt_offset; 712 } 713 714 if (alloc_len < sizeof(struct imx_header)) { 715 fprintf(stderr, "%s: header error\n", 716 params->cmdname); 717 exit(EXIT_FAILURE); 718 } 719 720 imxhdr = malloc(alloc_len); 721 722 if (!imxhdr) { 723 fprintf(stderr, "%s: malloc return failure: %s\n", 724 params->cmdname, strerror(errno)); 725 exit(EXIT_FAILURE); 726 } 727 728 memset(imxhdr, 0, alloc_len); 729 730 tparams->header_size = alloc_len; 731 tparams->hdr = imxhdr; 732 733 /* determine data image file length */ 734 735 if (stat(datafile, &sbuf) < 0) { 736 fprintf(stderr, "%s: Can't stat %s: %s\n", 737 params->cmdname, datafile, strerror(errno)); 738 exit(EXIT_FAILURE); 739 } 740 741 pad_len = ROUND(sbuf.st_size, 4096) - sbuf.st_size; 742 743 /* TODO: check i.MX image V1 handling, for now use 'old' style */ 744 if (imximage_version == IMXIMAGE_V1) 745 return 0; 746 else 747 return pad_len; 748 } 749 750 751 /* 752 * imximage parameters 753 */ 754 U_BOOT_IMAGE_TYPE( 755 imximage, 756 "Freescale i.MX Boot Image support", 757 0, 758 NULL, 759 imximage_check_params, 760 imximage_verify_header, 761 imximage_print_header, 762 imximage_set_header, 763 NULL, 764 imximage_check_image_types, 765 NULL, 766 imximage_generate 767 ); 768