tools/imximage.c

   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 /* Required to obtain the getline prototype from stdio.h */
  13 #define _GNU_SOURCE
  14
  15 #include "mkimage.h"
  16 #include <image.h>
  17 #include "imximage.h"
  18
  19 /*
  20  * Supported commands for configuration file
  21  */
  22 static table_entry_t imximage_cmds[] = {
  23         {CMD_BOOT_FROM,         "BOOT_FROM",            "boot command",   },
  24         {CMD_BOOT_OFFSET,       "BOOT_OFFSET",          "Boot offset",    },
  25         {CMD_DATA,              "DATA",                 "Reg Write Data", },
  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 /* Image Vector Table Offset */
  70 static uint32_t imximage_ivt_offset;
  71 /* Initial Load Region Size */
  72 static uint32_t imximage_init_loadsize;
  73
  74 static set_dcd_val_t set_dcd_val;
  75 static set_dcd_rst_t set_dcd_rst;
  76 static set_imx_hdr_t set_imx_hdr;
  77 static uint32_t max_dcd_entries;
  78 static uint32_t *header_size_ptr;
  79
  80 static uint32_t get_cfg_value(char *token, char *name,  int linenr)
  81 {
  82         char *endptr;
  83         uint32_t value;
  84
  85         errno = 0;
  86         value = strtoul(token, &endptr, 16);
  87         if (errno || (token == endptr)) {
  88                 fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n",
  89                         name,  linenr, token);
  90                 exit(EXIT_FAILURE);
  91         }
  92         return value;
  93 }
  94
  95 static uint32_t detect_imximage_version(struct imx_header *imx_hdr)
  96 {
  97         imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
  98         imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
  99         flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
 100         flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
 101
 102         /* Try to detect V1 */
 103         if ((fhdr_v1->app_code_barker == APP_CODE_BARKER) &&
 104                 (hdr_v1->dcd_table.preamble.barker == DCD_BARKER))
 105                 return IMXIMAGE_V1;
 106
 107         /* Try to detect V2 */
 108         if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
 109                 (hdr_v2->dcd_table.header.tag == DCD_HEADER_TAG))
 110                 return IMXIMAGE_V2;
 111
 112         return IMXIMAGE_VER_INVALID;
 113 }
 114
 115 static void err_imximage_version(int version)
 116 {
 117         fprintf(stderr,
 118                 "Error: Unsupported imximage version:%d\n", version);
 119
 120         exit(EXIT_FAILURE);
 121 }
 122
 123 static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno,
 124                                         int fld, uint32_t value, uint32_t off)
 125 {
 126         dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
 127
 128         switch (fld) {
 129         case CFG_REG_SIZE:
 130                 /* Byte, halfword, word */
 131                 if ((value != 1) && (value != 2) && (value != 4)) {
 132                         fprintf(stderr, "Error: %s[%d] - "
 133                                 "Invalid register size " "(%d)\n",
 134                                 name, lineno, value);
 135                         exit(EXIT_FAILURE);
 136                 }
 137                 dcd_v1->addr_data[off].type = value;
 138                 break;
 139         case CFG_REG_ADDRESS:
 140                 dcd_v1->addr_data[off].addr = value;
 141                 break;
 142         case CFG_REG_VALUE:
 143                 dcd_v1->addr_data[off].value = value;
 144                 break;
 145         default:
 146                 break;
 147
 148         }
 149 }
 150
 151 static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno,
 152                                         int fld, uint32_t value, uint32_t off)
 153 {
 154         dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
 155
 156         switch (fld) {
 157         case CFG_REG_ADDRESS:
 158                 dcd_v2->addr_data[off].addr = cpu_to_be32(value);
 159                 break;
 160         case CFG_REG_VALUE:
 161                 dcd_v2->addr_data[off].value = cpu_to_be32(value);
 162                 break;
 163         default:
 164                 break;
 165
 166         }
 167 }
 168
 169 /*
 170  * Complete setting up the rest field of DCD of V1
 171  * such as barker code and DCD data length.
 172  */
 173 static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len,
 174                                                 char *name, int lineno)
 175 {
 176         dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
 177
 178         dcd_v1->preamble.barker = DCD_BARKER;
 179         dcd_v1->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t);
 180 }
 181
 182 /*
 183  * Complete setting up the reset field of DCD of V2
 184  * such as DCD tag, version, length, etc.
 185  */
 186 static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len,
 187                                                 char *name, int lineno)
 188 {
 189         dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
 190
 191         dcd_v2->header.tag = DCD_HEADER_TAG;
 192         dcd_v2->header.length = cpu_to_be16(
 193                         dcd_len * sizeof(dcd_addr_data_t) + 8);
 194         dcd_v2->header.version = DCD_VERSION;
 195         dcd_v2->write_dcd_command.tag = DCD_COMMAND_TAG;
 196         dcd_v2->write_dcd_command.length = cpu_to_be16(
 197                         dcd_len * sizeof(dcd_addr_data_t) + 4);
 198         dcd_v2->write_dcd_command.param = DCD_COMMAND_PARAM;
 199 }
 200
 201 static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len,
 202                 uint32_t entry_point, uint32_t flash_offset)
 203 {
 204         imx_header_v1_t *hdr_v1 = &imxhdr->header.hdr_v1;
 205         flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
 206         dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
 207         uint32_t hdr_base;
 208         uint32_t header_length = (((char *)&dcd_v1->addr_data[dcd_len].addr)
 209                         - ((char *)imxhdr));
 210
 211         /* Set magic number */
 212         fhdr_v1->app_code_barker = APP_CODE_BARKER;
 213
 214         /* TODO: check i.MX image V1 handling, for now use 'old' style */
 215         hdr_base = entry_point - 4096;
 216         fhdr_v1->app_dest_ptr = hdr_base - flash_offset;
 217         fhdr_v1->app_code_jump_vector = entry_point;
 218
 219         fhdr_v1->dcd_ptr_ptr = hdr_base + offsetof(flash_header_v1_t, dcd_ptr);
 220         fhdr_v1->dcd_ptr = hdr_base + offsetof(imx_header_v1_t, dcd_table);
 221
 222         /* Security feature are not supported */
 223         fhdr_v1->app_code_csf = 0;
 224         fhdr_v1->super_root_key = 0;
 225         header_size_ptr = (uint32_t *)(((char *)imxhdr) + header_length - 4);
 226 }
 227
 228 static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len,
 229                 uint32_t entry_point, uint32_t flash_offset)
 230 {
 231         imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2;
 232         flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
 233         uint32_t hdr_base;
 234
 235         /* Set magic number */
 236         fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */
 237         fhdr_v2->header.length = cpu_to_be16(sizeof(flash_header_v2_t));
 238         fhdr_v2->header.version = IVT_VERSION; /* 0x40 */
 239
 240         fhdr_v2->entry = entry_point;
 241         fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0;
 242         hdr_base = entry_point - imximage_init_loadsize +
 243                 flash_offset;
 244         fhdr_v2->self = hdr_base;
 245         fhdr_v2->dcd_ptr = hdr_base + offsetof(imx_header_v2_t, dcd_table);
 246         fhdr_v2->boot_data_ptr = hdr_base
 247                         + offsetof(imx_header_v2_t, boot_data);
 248         hdr_v2->boot_data.start = entry_point - imximage_init_loadsize;
 249
 250         /* Security feature are not supported */
 251         fhdr_v2->csf = 0;
 252         header_size_ptr = &hdr_v2->boot_data.size;
 253 }
 254
 255 static void set_hdr_func(struct imx_header *imxhdr)
 256 {
 257         switch (imximage_version) {
 258         case IMXIMAGE_V1:
 259                 set_dcd_val = set_dcd_val_v1;
 260                 set_dcd_rst = set_dcd_rst_v1;
 261                 set_imx_hdr = set_imx_hdr_v1;
 262                 max_dcd_entries = MAX_HW_CFG_SIZE_V1;
 263                 break;
 264         case IMXIMAGE_V2:
 265                 set_dcd_val = set_dcd_val_v2;
 266                 set_dcd_rst = set_dcd_rst_v2;
 267                 set_imx_hdr = set_imx_hdr_v2;
 268                 max_dcd_entries = MAX_HW_CFG_SIZE_V2;
 269                 break;
 270         default:
 271                 err_imximage_version(imximage_version);
 272                 break;
 273         }
 274 }
 275
 276 static void print_hdr_v1(struct imx_header *imx_hdr)
 277 {
 278         imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
 279         flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
 280         dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
 281         uint32_t size, length, ver;
 282
 283         size = dcd_v1->preamble.length;
 284         if (size > (MAX_HW_CFG_SIZE_V1 * sizeof(dcd_type_addr_data_t))) {
 285                 fprintf(stderr,
 286                         "Error: Image corrupt DCD size %d exceed maximum %d\n",
 287                         (uint32_t)(size / sizeof(dcd_type_addr_data_t)),
 288                         MAX_HW_CFG_SIZE_V1);
 289                 exit(EXIT_FAILURE);
 290         }
 291
 292         length = dcd_v1->preamble.length / sizeof(dcd_type_addr_data_t);
 293         ver = detect_imximage_version(imx_hdr);
 294
 295         printf("Image Type:   Freescale IMX Boot Image\n");
 296         printf("Image Ver:    %x", ver);
 297         printf("%s\n", get_table_entry_name(imximage_versions, NULL, ver));
 298         printf("Data Size:    ");
 299         genimg_print_size(dcd_v1->addr_data[length].type);
 300         printf("Load Address: %08x\n", (uint32_t)fhdr_v1->app_dest_ptr);
 301         printf("Entry Point:  %08x\n", (uint32_t)fhdr_v1->app_code_jump_vector);
 302 }
 303
 304 static void print_hdr_v2(struct imx_header *imx_hdr)
 305 {
 306         imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
 307         flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
 308         dcd_v2_t *dcd_v2 = &hdr_v2->dcd_table;
 309         uint32_t size, version;
 310
 311         size = be16_to_cpu(dcd_v2->header.length) - 8;
 312         if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) {
 313                 fprintf(stderr,
 314                         "Error: Image corrupt DCD size %d exceed maximum %d\n",
 315                         (uint32_t)(size / sizeof(dcd_addr_data_t)),
 316                         MAX_HW_CFG_SIZE_V2);
 317                 exit(EXIT_FAILURE);
 318         }
 319
 320         version = detect_imximage_version(imx_hdr);
 321
 322         printf("Image Type:   Freescale IMX Boot Image\n");
 323         printf("Image Ver:    %x", version);
 324         printf("%s\n", get_table_entry_name(imximage_versions, NULL, version));
 325         printf("Data Size:    ");
 326         genimg_print_size(hdr_v2->boot_data.size);
 327         printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr);
 328         printf("Entry Point:  %08x\n", (uint32_t)fhdr_v2->entry);
 329 }
 330
 331 static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token,
 332                                 char *name, int lineno, int fld, int dcd_len)
 333 {
 334         int value;
 335         static int cmd_ver_first = ~0;
 336
 337         switch (cmd) {
 338         case CMD_IMAGE_VERSION:
 339                 imximage_version = get_cfg_value(token, name, lineno);
 340                 if (cmd_ver_first == 0) {
 341                         fprintf(stderr, "Error: %s[%d] - IMAGE_VERSION "
 342                                 "command need be the first before other "
 343                                 "valid command in the file\n", name, lineno);
 344                         exit(EXIT_FAILURE);
 345                 }
 346                 cmd_ver_first = 1;
 347                 set_hdr_func(imxhdr);
 348                 break;
 349         case CMD_BOOT_FROM:
 350                 imximage_ivt_offset = get_table_entry_id(imximage_boot_offset,
 351                                         "imximage boot option", token);
 352                 if (imximage_ivt_offset == -1) {
 353                         fprintf(stderr, "Error: %s[%d] -Invalid boot device"
 354                                 "(%s)\n", name, lineno, token);
 355                         exit(EXIT_FAILURE);
 356                 }
 357
 358                 imximage_init_loadsize =
 359                         get_table_entry_id(imximage_boot_loadsize,
 360                                            "imximage boot option", token);
 361
 362                 if (imximage_init_loadsize == -1) {
 363                         fprintf(stderr,
 364                                 "Error: %s[%d] -Invalid boot device(%s)\n",
 365                                 name, lineno, token);
 366                         exit(EXIT_FAILURE);
 367                 }
 368
 369                 /*
 370                  * The SOC loads from the storage starting at address 0
 371                  * then ensures that the load size contains the offset
 372                  */
 373                 if (imximage_init_loadsize < imximage_ivt_offset)
 374                         imximage_init_loadsize = imximage_ivt_offset;
 375                 if (unlikely(cmd_ver_first != 1))
 376                         cmd_ver_first = 0;
 377                 break;
 378         case CMD_BOOT_OFFSET:
 379                 imximage_ivt_offset = get_cfg_value(token, name, lineno);
 380                 if (unlikely(cmd_ver_first != 1))
 381                         cmd_ver_first = 0;
 382                 break;
 383         case CMD_DATA:
 384                 value = get_cfg_value(token, name, lineno);
 385                 (*set_dcd_val)(imxhdr, name, lineno, fld, value, dcd_len);
 386                 if (unlikely(cmd_ver_first != 1))
 387                         cmd_ver_first = 0;
 388                 break;
 389         }
 390 }
 391
 392 static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd,
 393                 char *token, char *name, int lineno, int fld, int *dcd_len)
 394 {
 395         int value;
 396
 397         switch (fld) {
 398         case CFG_COMMAND:
 399                 *cmd = get_table_entry_id(imximage_cmds,
 400                         "imximage commands", token);
 401                 if (*cmd < 0) {
 402                         fprintf(stderr, "Error: %s[%d] - Invalid command"
 403                         "(%s)\n", name, lineno, token);
 404                         exit(EXIT_FAILURE);
 405                 }
 406                 break;
 407         case CFG_REG_SIZE:
 408                 parse_cfg_cmd(imxhdr, *cmd, token, name, lineno, fld, *dcd_len);
 409                 break;
 410         case CFG_REG_ADDRESS:
 411         case CFG_REG_VALUE:
 412                 if (*cmd != CMD_DATA)
 413                         return;
 414
 415                 value = get_cfg_value(token, name, lineno);
 416                 (*set_dcd_val)(imxhdr, name, lineno, fld, value, *dcd_len);
 417
 418                 if (fld == CFG_REG_VALUE) {
 419                         (*dcd_len)++;
 420                         if (*dcd_len > max_dcd_entries) {
 421                                 fprintf(stderr, "Error: %s[%d] -"
 422                                         "DCD table exceeds maximum size(%d)\n",
 423                                         name, lineno, max_dcd_entries);
 424                                 exit(EXIT_FAILURE);
 425                         }
 426                 }
 427                 break;
 428         default:
 429                 break;
 430         }
 431 }
 432 static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name)
 433 {
 434         FILE *fd = NULL;
 435         char *line = NULL;
 436         char *token, *saveptr1, *saveptr2;
 437         int lineno = 0;
 438         int fld;
 439         size_t len;
 440         int dcd_len = 0;
 441         int32_t cmd;
 442
 443         fd = fopen(name, "r");
 444         if (fd == 0) {
 445                 fprintf(stderr, "Error: %s - Can't open DCD file\n", name);
 446                 exit(EXIT_FAILURE);
 447         }
 448
 449         /*
 450          * Very simple parsing, line starting with # are comments
 451          * and are dropped
 452          */
 453         while ((getline(&line, &len, fd)) > 0) {
 454                 lineno++;
 455
 456                 token = strtok_r(line, "\r\n", &saveptr1);
 457                 if (token == NULL)
 458                         continue;
 459
 460                 /* Check inside the single line */
 461                 for (fld = CFG_COMMAND, cmd = CMD_INVALID,
 462                                 line = token; ; line = NULL, fld++) {
 463                         token = strtok_r(line, " \t", &saveptr2);
 464                         if (token == NULL)
 465                                 break;
 466
 467                         /* Drop all text starting with '#' as comments */
 468                         if (token[0] == '#')
 469                                 break;
 470
 471                         parse_cfg_fld(imxhdr, &cmd, token, name,
 472                                         lineno, fld, &dcd_len);
 473                 }
 474
 475         }
 476
 477         (*set_dcd_rst)(imxhdr, dcd_len, name, lineno);
 478         fclose(fd);
 479
 480         /* Exit if there is no BOOT_FROM field specifying the flash_offset */
 481         if (imximage_ivt_offset == FLASH_OFFSET_UNDEFINED) {
 482                 fprintf(stderr, "Error: No BOOT_FROM tag in %s\n", name);
 483                 exit(EXIT_FAILURE);
 484         }
 485         return dcd_len;
 486 }
 487
 488
 489 static int imximage_check_image_types(uint8_t type)
 490 {
 491         if (type == IH_TYPE_IMXIMAGE)
 492                 return EXIT_SUCCESS;
 493         else
 494                 return EXIT_FAILURE;
 495 }
 496
 497 static int imximage_verify_header(unsigned char *ptr, int image_size,
 498                         struct mkimage_params *params)
 499 {
 500         struct imx_header *imx_hdr = (struct imx_header *) ptr;
 501
 502         if (detect_imximage_version(imx_hdr) == IMXIMAGE_VER_INVALID)
 503                 return -FDT_ERR_BADSTRUCTURE;
 504
 505         return 0;
 506 }
 507
 508 static void imximage_print_header(const void *ptr)
 509 {
 510         struct imx_header *imx_hdr = (struct imx_header *) ptr;
 511         uint32_t version = detect_imximage_version(imx_hdr);
 512
 513         switch (version) {
 514         case IMXIMAGE_V1:
 515                 print_hdr_v1(imx_hdr);
 516                 break;
 517         case IMXIMAGE_V2:
 518                 print_hdr_v2(imx_hdr);
 519                 break;
 520         default:
 521                 err_imximage_version(version);
 522                 break;
 523         }
 524 }
 525
 526 static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd,
 527                                 struct mkimage_params *params)
 528 {
 529         struct imx_header *imxhdr = (struct imx_header *)ptr;
 530         uint32_t dcd_len;
 531
 532         /*
 533          * In order to not change the old imx cfg file
 534          * by adding VERSION command into it, here need
 535          * set up function ptr group to V1 by default.
 536          */
 537         imximage_version = IMXIMAGE_V1;
 538         /* Be able to detect if the cfg file has no BOOT_FROM tag */
 539         imximage_ivt_offset = FLASH_OFFSET_UNDEFINED;
 540         set_hdr_func(imxhdr);
 541
 542         /* Parse dcd configuration file */
 543         dcd_len = parse_cfg_file(imxhdr, params->imagename);
 544
 545         /* Set the imx header */
 546         (*set_imx_hdr)(imxhdr, dcd_len, params->ep, imximage_ivt_offset);
 547
 548         /*
 549          * ROM bug alert
 550          *
 551          * MX53 only loads 512 byte multiples in case of SD boot.
 552          * MX53 only loads NAND page multiples in case of NAND boot and
 553          * supports up to 4096 byte large pages, thus align to 4096.
 554          *
 555          * The remaining fraction of a block bytes would not be loaded!
 556          */
 557         *header_size_ptr = ROUND(sbuf->st_size, 4096);
 558 }
 559
 560 int imximage_check_params(struct mkimage_params *params)
 561 {
 562         if (!params)
 563                 return CFG_INVALID;
 564         if (!strlen(params->imagename)) {
 565                 fprintf(stderr, "Error: %s - Configuration file not specified, "
 566                         "it is needed for imximage generation\n",
 567                         params->cmdname);
 568                 return CFG_INVALID;
 569         }
 570         /*
 571          * Check parameters:
 572          * XIP is not allowed and verify that incompatible
 573          * parameters are not sent at the same time
 574          * For example, if list is required a data image must not be provided
 575          */
 576         return  (params->dflag && (params->fflag || params->lflag)) ||
 577                 (params->fflag && (params->dflag || params->lflag)) ||
 578                 (params->lflag && (params->dflag || params->fflag)) ||
 579                 (params->xflag) || !(strlen(params->imagename));
 580 }
 581
 582 static int imximage_generate(struct mkimage_params *params,
 583         struct image_type_params *tparams)
 584 {
 585         struct imx_header *imxhdr;
 586         size_t alloc_len;
 587         struct stat sbuf;
 588         char *datafile = params->datafile;
 589         uint32_t pad_len;
 590
 591         memset(&imximage_header, 0, sizeof(imximage_header));
 592
 593         /*
 594          * In order to not change the old imx cfg file
 595          * by adding VERSION command into it, here need
 596          * set up function ptr group to V1 by default.
 597          */
 598         imximage_version = IMXIMAGE_V1;
 599         /* Be able to detect if the cfg file has no BOOT_FROM tag */
 600         imximage_ivt_offset = FLASH_OFFSET_UNDEFINED;
 601         imximage_csf_size = 0;
 602         set_hdr_func(imxhdr);
 603
 604         /* Parse dcd configuration file */
 605         parse_cfg_file(&imximage_header, params->imagename);
 606
 607         /* TODO: check i.MX image V1 handling, for now use 'old' style */
 608         if (imximage_version == IMXIMAGE_V1) {
 609                 alloc_len = 4096;
 610         } else {
 611                 if (imximage_init_loadsize < imximage_ivt_offset +
 612                         sizeof(imx_header_v2_t))
 613                                 imximage_init_loadsize = imximage_ivt_offset +
 614                                         sizeof(imx_header_v2_t);
 615                 alloc_len = imximage_init_loadsize - imximage_ivt_offset;
 616         }
 617
 618         if (alloc_len < sizeof(struct imx_header)) {
 619                 fprintf(stderr, "%s: header error\n",
 620                         params->cmdname);
 621                 exit(EXIT_FAILURE);
 622         }
 623
 624         imxhdr = malloc(alloc_len);
 625
 626         if (!imxhdr) {
 627                 fprintf(stderr, "%s: malloc return failure: %s\n",
 628                         params->cmdname, strerror(errno));
 629                 exit(EXIT_FAILURE);
 630         }
 631
 632         memset(imxhdr, 0, alloc_len);
 633
 634         tparams->header_size = alloc_len;
 635         tparams->hdr         = imxhdr;
 636
 637         /* determine data image file length */
 638
 639         if (stat(datafile, &sbuf) < 0) {
 640                 fprintf(stderr, "%s: Can't stat %s: %s\n",
 641                         params->cmdname, datafile, strerror(errno));
 642                 exit(EXIT_FAILURE);
 643         }
 644
 645         pad_len = ROUND(sbuf.st_size, 4096) - sbuf.st_size;
 646
 647         /* TODO: check i.MX image V1 handling, for now use 'old' style */
 648         if (imximage_version == IMXIMAGE_V1)
 649                 return 0;
 650         else
 651                 return pad_len;
 652 }
 653
 654
 655 /*
 656  * imximage parameters
 657  */
 658 static struct image_type_params imximage_params = {
 659         .name           = "Freescale i.MX Boot Image support",
 660         .header_size    = 0,
 661         .hdr            = NULL,
 662         .check_image_type = imximage_check_image_types,
 663         .verify_header  = imximage_verify_header,
 664         .print_header   = imximage_print_header,
 665         .set_header     = imximage_set_header,
 666         .check_params   = imximage_check_params,
 667         .vrec_header    = imximage_generate,
 668 };
 669
 670 void init_imx_image_type(void)
 671 {
 672         mkimage_register(&imximage_params);
 673 }