git.sur5r.net Git - u-boot/blob - 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 #define UNDEFINED 0xFFFFFFFF
  20
  21 /*
  22  * Supported commands for configuration file
  23  */
  24 static table_entry_t imximage_cmds[] = {
  25         {CMD_BOOT_FROM,         "BOOT_FROM",            "boot command",   },
  26         {CMD_BOOT_OFFSET,       "BOOT_OFFSET",          "Boot offset",    },
  27         {CMD_DATA,              "DATA",                 "Reg Write Data", },
  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         {-1,                    "",             "Invalid",      },
  45 };
  46
  47 /*
  48  * Supported Boot options for configuration file
  49  * this is needed to determine the initial load size
  50  */
  51 static table_entry_t imximage_boot_loadsize[] = {
  52         {FLASH_LOADSIZE_ONENAND,        "onenand",      "OneNAND Flash",},
  53         {FLASH_LOADSIZE_NAND,           "nand",         "NAND Flash",   },
  54         {FLASH_LOADSIZE_NOR,            "nor",          "NOR Flash",    },
  55         {FLASH_LOADSIZE_SATA,           "sata",         "SATA Disk",    },
  56         {FLASH_LOADSIZE_SD,             "sd",           "SD Card",      },
  57         {FLASH_LOADSIZE_SPI,            "spi",          "SPI Flash",    },
  58         {-1,                            "",             "Invalid",      },
  59 };
  60
  61 /*
  62  * IMXIMAGE version definition for i.MX chips
  63  */
  64 static table_entry_t imximage_versions[] = {
  65         {IMXIMAGE_V1,   "",     " (i.MX25/35/51 compatible)", },
  66         {IMXIMAGE_V2,   "",     " (i.MX53/6 compatible)",     },
  67         {-1,            "",     " (Invalid)",                 },
  68 };
  69
  70 static struct imx_header imximage_header;
  71 static uint32_t imximage_version;
  72 /*
  73  * Image Vector Table Offset
  74  * Initialized to a wrong not 4-bytes aligned address to
  75  * check if it is was set by the cfg file.
  76  */
  77 static uint32_t imximage_ivt_offset = UNDEFINED;
  78 static uint32_t imximage_csf_size = UNDEFINED;
  79 /* Initial Load Region Size */
  80 static uint32_t imximage_init_loadsize;
  81
  82 static set_dcd_val_t set_dcd_val;
  83 static set_dcd_rst_t set_dcd_rst;
  84 static set_imx_hdr_t set_imx_hdr;
  85 static uint32_t max_dcd_entries;
  86 static uint32_t *header_size_ptr;
  87 static uint32_t *csf_ptr;
  88
  89 static uint32_t get_cfg_value(char *token, char *name,  int linenr)
  90 {
  91         char *endptr;
  92         uint32_t value;
  93
  94         errno = 0;
  95         value = strtoul(token, &endptr, 16);
  96         if (errno || (token == endptr)) {
  97                 fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n",
  98                         name,  linenr, token);
  99                 exit(EXIT_FAILURE);
 100         }
 101         return value;
 102 }
 103
 104 static uint32_t detect_imximage_version(struct imx_header *imx_hdr)
 105 {
 106         imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
 107         imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
 108         flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
 109         flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
 110
 111         /* Try to detect V1 */
 112         if ((fhdr_v1->app_code_barker == APP_CODE_BARKER) &&
 113                 (hdr_v1->dcd_table.preamble.barker == DCD_BARKER))
 114                 return IMXIMAGE_V1;
 115
 116         /* Try to detect V2 */
 117         if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
 118                 (hdr_v2->dcd_table.header.tag == DCD_HEADER_TAG))
 119                 return IMXIMAGE_V2;
 120
 121         return IMXIMAGE_VER_INVALID;
 122 }
 123
 124 static void err_imximage_version(int version)
 125 {
 126         fprintf(stderr,
 127                 "Error: Unsupported imximage version:%d\n", version);
 128
 129         exit(EXIT_FAILURE);
 130 }
 131
 132 static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno,
 133                                         int fld, uint32_t value, uint32_t off)
 134 {
 135         dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
 136
 137         switch (fld) {
 138         case CFG_REG_SIZE:
 139                 /* Byte, halfword, word */
 140                 if ((value != 1) && (value != 2) && (value != 4)) {
 141                         fprintf(stderr, "Error: %s[%d] - "
 142                                 "Invalid register size " "(%d)\n",
 143                                 name, lineno, value);
 144                         exit(EXIT_FAILURE);
 145                 }
 146                 dcd_v1->addr_data[off].type = value;
 147                 break;
 148         case CFG_REG_ADDRESS:
 149                 dcd_v1->addr_data[off].addr = value;
 150                 break;
 151         case CFG_REG_VALUE:
 152                 dcd_v1->addr_data[off].value = value;
 153                 break;
 154         default:
 155                 break;
 156
 157         }
 158 }
 159
 160 static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno,
 161                                         int fld, uint32_t value, uint32_t off)
 162 {
 163         dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
 164
 165         switch (fld) {
 166         case CFG_REG_ADDRESS:
 167                 dcd_v2->addr_data[off].addr = cpu_to_be32(value);
 168                 break;
 169         case CFG_REG_VALUE:
 170                 dcd_v2->addr_data[off].value = cpu_to_be32(value);
 171                 break;
 172         default:
 173                 break;
 174
 175         }
 176 }
 177
 178 /*
 179  * Complete setting up the rest field of DCD of V1
 180  * such as barker code and DCD data length.
 181  */
 182 static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len,
 183                                                 char *name, int lineno)
 184 {
 185         dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
 186
 187         dcd_v1->preamble.barker = DCD_BARKER;
 188         dcd_v1->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t);
 189 }
 190
 191 /*
 192  * Complete setting up the reset field of DCD of V2
 193  * such as DCD tag, version, length, etc.
 194  */
 195 static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len,
 196                                                 char *name, int lineno)
 197 {
 198         dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
 199
 200         dcd_v2->header.tag = DCD_HEADER_TAG;
 201         dcd_v2->header.length = cpu_to_be16(
 202                         dcd_len * sizeof(dcd_addr_data_t) + 8);
 203         dcd_v2->header.version = DCD_VERSION;
 204         dcd_v2->write_dcd_command.tag = DCD_COMMAND_TAG;
 205         dcd_v2->write_dcd_command.length = cpu_to_be16(
 206                         dcd_len * sizeof(dcd_addr_data_t) + 4);
 207         dcd_v2->write_dcd_command.param = DCD_COMMAND_PARAM;
 208 }
 209
 210 static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len,
 211                 uint32_t entry_point, uint32_t flash_offset)
 212 {
 213         imx_header_v1_t *hdr_v1 = &imxhdr->header.hdr_v1;
 214         flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
 215         dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
 216         uint32_t hdr_base;
 217         uint32_t header_length = (((char *)&dcd_v1->addr_data[dcd_len].addr)
 218                         - ((char *)imxhdr));
 219
 220         /* Set magic number */
 221         fhdr_v1->app_code_barker = APP_CODE_BARKER;
 222
 223         /* TODO: check i.MX image V1 handling, for now use 'old' style */
 224         hdr_base = entry_point - 4096;
 225         fhdr_v1->app_dest_ptr = hdr_base - flash_offset;
 226         fhdr_v1->app_code_jump_vector = entry_point;
 227
 228         fhdr_v1->dcd_ptr_ptr = hdr_base + offsetof(flash_header_v1_t, dcd_ptr);
 229         fhdr_v1->dcd_ptr = hdr_base + offsetof(imx_header_v1_t, dcd_table);
 230
 231         /* Security feature are not supported */
 232         fhdr_v1->app_code_csf = 0;
 233         fhdr_v1->super_root_key = 0;
 234         header_size_ptr = (uint32_t *)(((char *)imxhdr) + header_length - 4);
 235 }
 236
 237 static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len,
 238                 uint32_t entry_point, uint32_t flash_offset)
 239 {
 240         imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2;
 241         flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
 242         uint32_t hdr_base;
 243
 244         /* Set magic number */
 245         fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */
 246         fhdr_v2->header.length = cpu_to_be16(sizeof(flash_header_v2_t));
 247         fhdr_v2->header.version = IVT_VERSION; /* 0x40 */
 248
 249         fhdr_v2->entry = entry_point;
 250         fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0;
 251         hdr_base = entry_point - imximage_init_loadsize +
 252                 flash_offset;
 253         fhdr_v2->self = hdr_base;
 254         fhdr_v2->dcd_ptr = hdr_base + offsetof(imx_header_v2_t, dcd_table);
 255         fhdr_v2->boot_data_ptr = hdr_base
 256                         + offsetof(imx_header_v2_t, boot_data);
 257         hdr_v2->boot_data.start = entry_point - imximage_init_loadsize;
 258
 259         fhdr_v2->csf = 0;
 260
 261         header_size_ptr = &hdr_v2->boot_data.size;
 262         csf_ptr = &fhdr_v2->csf;
 263 }
 264
 265 static void set_hdr_func(struct imx_header *imxhdr)
 266 {
 267         switch (imximage_version) {
 268         case IMXIMAGE_V1:
 269                 set_dcd_val = set_dcd_val_v1;
 270                 set_dcd_rst = set_dcd_rst_v1;
 271                 set_imx_hdr = set_imx_hdr_v1;
 272                 max_dcd_entries = MAX_HW_CFG_SIZE_V1;
 273                 break;
 274         case IMXIMAGE_V2:
 275                 set_dcd_val = set_dcd_val_v2;
 276                 set_dcd_rst = set_dcd_rst_v2;
 277                 set_imx_hdr = set_imx_hdr_v2;
 278                 max_dcd_entries = MAX_HW_CFG_SIZE_V2;
 279                 break;
 280         default:
 281                 err_imximage_version(imximage_version);
 282                 break;
 283         }
 284 }
 285
 286 static void print_hdr_v1(struct imx_header *imx_hdr)
 287 {
 288         imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
 289         flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
 290         dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
 291         uint32_t size, length, ver;
 292
 293         size = dcd_v1->preamble.length;
 294         if (size > (MAX_HW_CFG_SIZE_V1 * sizeof(dcd_type_addr_data_t))) {
 295                 fprintf(stderr,
 296                         "Error: Image corrupt DCD size %d exceed maximum %d\n",
 297                         (uint32_t)(size / sizeof(dcd_type_addr_data_t)),
 298                         MAX_HW_CFG_SIZE_V1);
 299                 exit(EXIT_FAILURE);
 300         }
 301
 302         length = dcd_v1->preamble.length / sizeof(dcd_type_addr_data_t);
 303         ver = detect_imximage_version(imx_hdr);
 304
 305         printf("Image Type:   Freescale IMX Boot Image\n");
 306         printf("Image Ver:    %x", ver);
 307         printf("%s\n", get_table_entry_name(imximage_versions, NULL, ver));
 308         printf("Data Size:    ");
 309         genimg_print_size(dcd_v1->addr_data[length].type);
 310         printf("Load Address: %08x\n", (uint32_t)fhdr_v1->app_dest_ptr);
 311         printf("Entry Point:  %08x\n", (uint32_t)fhdr_v1->app_code_jump_vector);
 312 }
 313
 314 static void print_hdr_v2(struct imx_header *imx_hdr)
 315 {
 316         imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
 317         flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
 318         dcd_v2_t *dcd_v2 = &hdr_v2->dcd_table;
 319         uint32_t size, version;
 320
 321         size = be16_to_cpu(dcd_v2->header.length) - 8;
 322         if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) {
 323                 fprintf(stderr,
 324                         "Error: Image corrupt DCD size %d exceed maximum %d\n",
 325                         (uint32_t)(size / sizeof(dcd_addr_data_t)),
 326                         MAX_HW_CFG_SIZE_V2);
 327                 exit(EXIT_FAILURE);
 328         }
 329
 330         version = detect_imximage_version(imx_hdr);
 331
 332         printf("Image Type:   Freescale IMX Boot Image\n");
 333         printf("Image Ver:    %x", version);
 334         printf("%s\n", get_table_entry_name(imximage_versions, NULL, version));
 335         printf("Data Size:    ");
 336         genimg_print_size(hdr_v2->boot_data.size);
 337         printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr);
 338         printf("Entry Point:  %08x\n", (uint32_t)fhdr_v2->entry);
 339         if (fhdr_v2->csf && (imximage_ivt_offset != UNDEFINED) &&
 340             (imximage_csf_size != UNDEFINED)) {
 341                 printf("HAB Blocks:   %08x %08x %08x\n",
 342                        (uint32_t)fhdr_v2->self, 0,
 343                        hdr_v2->boot_data.size - imximage_ivt_offset -
 344                        imximage_csf_size);
 345         }
 346 }
 347
 348 static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token,
 349                                 char *name, int lineno, int fld, int dcd_len)
 350 {
 351         int value;
 352         static int cmd_ver_first = ~0;
 353
 354         switch (cmd) {
 355         case CMD_IMAGE_VERSION:
 356                 imximage_version = get_cfg_value(token, name, lineno);
 357                 if (cmd_ver_first == 0) {
 358                         fprintf(stderr, "Error: %s[%d] - IMAGE_VERSION "
 359                                 "command need be the first before other "
 360                                 "valid command in the file\n", name, lineno);
 361                         exit(EXIT_FAILURE);
 362                 }
 363                 cmd_ver_first = 1;
 364                 set_hdr_func(imxhdr);
 365                 break;
 366         case CMD_BOOT_FROM:
 367                 imximage_ivt_offset = get_table_entry_id(imximage_boot_offset,
 368                                         "imximage boot option", token);
 369                 if (imximage_ivt_offset == -1) {
 370                         fprintf(stderr, "Error: %s[%d] -Invalid boot device"
 371                                 "(%s)\n", name, lineno, token);
 372                         exit(EXIT_FAILURE);
 373                 }
 374
 375                 imximage_init_loadsize =
 376                         get_table_entry_id(imximage_boot_loadsize,
 377                                            "imximage boot option", token);
 378
 379                 if (imximage_init_loadsize == -1) {
 380                         fprintf(stderr,
 381                                 "Error: %s[%d] -Invalid boot device(%s)\n",
 382                                 name, lineno, token);
 383                         exit(EXIT_FAILURE);
 384                 }
 385
 386                 /*
 387                  * The SOC loads from the storage starting at address 0
 388                  * then ensures that the load size contains the offset
 389                  */
 390                 if (imximage_init_loadsize < imximage_ivt_offset)
 391                         imximage_init_loadsize = imximage_ivt_offset;
 392                 if (unlikely(cmd_ver_first != 1))
 393                         cmd_ver_first = 0;
 394                 break;
 395         case CMD_BOOT_OFFSET:
 396                 imximage_ivt_offset = get_cfg_value(token, name, lineno);
 397                 if (unlikely(cmd_ver_first != 1))
 398                         cmd_ver_first = 0;
 399                 break;
 400         case CMD_DATA:
 401                 value = get_cfg_value(token, name, lineno);
 402                 (*set_dcd_val)(imxhdr, name, lineno, fld, value, dcd_len);
 403                 if (unlikely(cmd_ver_first != 1))
 404                         cmd_ver_first = 0;
 405                 break;
 406         case CMD_CSF:
 407                 if (imximage_version != 2) {
 408                         fprintf(stderr,
 409                                 "Error: %s[%d] - CSF only supported for VERSION 2(%s)\n",
 410                                 name, lineno, token);
 411                         exit(EXIT_FAILURE);
 412                 }
 413                 imximage_csf_size = get_cfg_value(token, name, lineno);
 414                 if (unlikely(cmd_ver_first != 1))
 415                         cmd_ver_first = 0;
 416                 break;
 417         }
 418 }
 419
 420 static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd,
 421                 char *token, char *name, int lineno, int fld, int *dcd_len)
 422 {
 423         int value;
 424
 425         switch (fld) {
 426         case CFG_COMMAND:
 427                 *cmd = get_table_entry_id(imximage_cmds,
 428                         "imximage commands", token);
 429                 if (*cmd < 0) {
 430                         fprintf(stderr, "Error: %s[%d] - Invalid command"
 431                         "(%s)\n", name, lineno, token);
 432                         exit(EXIT_FAILURE);
 433                 }
 434                 break;
 435         case CFG_REG_SIZE:
 436                 parse_cfg_cmd(imxhdr, *cmd, token, name, lineno, fld, *dcd_len);
 437                 break;
 438         case CFG_REG_ADDRESS:
 439         case CFG_REG_VALUE:
 440                 if (*cmd != CMD_DATA)
 441                         return;
 442
 443                 value = get_cfg_value(token, name, lineno);
 444                 (*set_dcd_val)(imxhdr, name, lineno, fld, value, *dcd_len);
 445
 446                 if (fld == CFG_REG_VALUE) {
 447                         (*dcd_len)++;
 448                         if (*dcd_len > max_dcd_entries) {
 449                                 fprintf(stderr, "Error: %s[%d] -"
 450                                         "DCD table exceeds maximum size(%d)\n",
 451                                         name, lineno, max_dcd_entries);
 452                                 exit(EXIT_FAILURE);
 453                         }
 454                 }
 455                 break;
 456         default:
 457                 break;
 458         }
 459 }
 460 static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name)
 461 {
 462         FILE *fd = NULL;
 463         char *line = NULL;
 464         char *token, *saveptr1, *saveptr2;
 465         int lineno = 0;
 466         int fld;
 467         size_t len;
 468         int dcd_len = 0;
 469         int32_t cmd;
 470
 471         fd = fopen(name, "r");
 472         if (fd == 0) {
 473                 fprintf(stderr, "Error: %s - Can't open DCD file\n", name);
 474                 exit(EXIT_FAILURE);
 475         }
 476
 477         /*
 478          * Very simple parsing, line starting with # are comments
 479          * and are dropped
 480          */
 481         while ((getline(&line, &len, fd)) > 0) {
 482                 lineno++;
 483
 484                 token = strtok_r(line, "\r\n", &saveptr1);
 485                 if (token == NULL)
 486                         continue;
 487
 488                 /* Check inside the single line */
 489                 for (fld = CFG_COMMAND, cmd = CMD_INVALID,
 490                                 line = token; ; line = NULL, fld++) {
 491                         token = strtok_r(line, " \t", &saveptr2);
 492                         if (token == NULL)
 493                                 break;
 494
 495                         /* Drop all text starting with '#' as comments */
 496                         if (token[0] == '#')
 497                                 break;
 498
 499                         parse_cfg_fld(imxhdr, &cmd, token, name,
 500                                         lineno, fld, &dcd_len);
 501                 }
 502
 503         }
 504
 505         (*set_dcd_rst)(imxhdr, dcd_len, name, lineno);
 506         fclose(fd);
 507
 508         /* Exit if there is no BOOT_FROM field specifying the flash_offset */
 509         if (imximage_ivt_offset == FLASH_OFFSET_UNDEFINED) {
 510                 fprintf(stderr, "Error: No BOOT_FROM tag in %s\n", name);
 511                 exit(EXIT_FAILURE);
 512         }
 513         return dcd_len;
 514 }
 515
 516
 517 static int imximage_check_image_types(uint8_t type)
 518 {
 519         if (type == IH_TYPE_IMXIMAGE)
 520                 return EXIT_SUCCESS;
 521         else
 522                 return EXIT_FAILURE;
 523 }
 524
 525 static int imximage_verify_header(unsigned char *ptr, int image_size,
 526                         struct mkimage_params *params)
 527 {
 528         struct imx_header *imx_hdr = (struct imx_header *) ptr;
 529
 530         if (detect_imximage_version(imx_hdr) == IMXIMAGE_VER_INVALID)
 531                 return -FDT_ERR_BADSTRUCTURE;
 532
 533         return 0;
 534 }
 535
 536 static void imximage_print_header(const void *ptr)
 537 {
 538         struct imx_header *imx_hdr = (struct imx_header *) ptr;
 539         uint32_t version = detect_imximage_version(imx_hdr);
 540
 541         switch (version) {
 542         case IMXIMAGE_V1:
 543                 print_hdr_v1(imx_hdr);
 544                 break;
 545         case IMXIMAGE_V2:
 546                 print_hdr_v2(imx_hdr);
 547                 break;
 548         default:
 549                 err_imximage_version(version);
 550                 break;
 551         }
 552 }
 553
 554 static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd,
 555                                 struct mkimage_params *params)
 556 {
 557         struct imx_header *imxhdr = (struct imx_header *)ptr;
 558         uint32_t dcd_len;
 559
 560         /*
 561          * In order to not change the old imx cfg file
 562          * by adding VERSION command into it, here need
 563          * set up function ptr group to V1 by default.
 564          */
 565         imximage_version = IMXIMAGE_V1;
 566         /* Be able to detect if the cfg file has no BOOT_FROM tag */
 567         imximage_ivt_offset = FLASH_OFFSET_UNDEFINED;
 568         imximage_csf_size = 0;
 569         set_hdr_func(imxhdr);
 570
 571         /* Parse dcd configuration file */
 572         dcd_len = parse_cfg_file(imxhdr, params->imagename);
 573
 574         /* Set the imx header */
 575         (*set_imx_hdr)(imxhdr, dcd_len, params->ep, imximage_ivt_offset);
 576
 577         /*
 578          * ROM bug alert
 579          *
 580          * MX53 only loads 512 byte multiples in case of SD boot.
 581          * MX53 only loads NAND page multiples in case of NAND boot and
 582          * supports up to 4096 byte large pages, thus align to 4096.
 583          *
 584          * The remaining fraction of a block bytes would not be loaded!
 585          */
 586         *header_size_ptr = ROUND(sbuf->st_size, 4096);
 587
 588         if (csf_ptr && imximage_csf_size) {
 589                 *csf_ptr = params->ep - imximage_init_loadsize +
 590                         *header_size_ptr;
 591                 *header_size_ptr += imximage_csf_size;
 592         }
 593 }
 594
 595 int imximage_check_params(struct mkimage_params *params)
 596 {
 597         if (!params)
 598                 return CFG_INVALID;
 599         if (!strlen(params->imagename)) {
 600                 fprintf(stderr, "Error: %s - Configuration file not specified, "
 601                         "it is needed for imximage generation\n",
 602                         params->cmdname);
 603                 return CFG_INVALID;
 604         }
 605         /*
 606          * Check parameters:
 607          * XIP is not allowed and verify that incompatible
 608          * parameters are not sent at the same time
 609          * For example, if list is required a data image must not be provided
 610          */
 611         return  (params->dflag && (params->fflag || params->lflag)) ||
 612                 (params->fflag && (params->dflag || params->lflag)) ||
 613                 (params->lflag && (params->dflag || params->fflag)) ||
 614                 (params->xflag) || !(strlen(params->imagename));
 615 }
 616
 617 static int imximage_generate(struct mkimage_params *params,
 618         struct image_type_params *tparams)
 619 {
 620         struct imx_header *imxhdr;
 621         size_t alloc_len;
 622         struct stat sbuf;
 623         char *datafile = params->datafile;
 624         uint32_t pad_len;
 625
 626         memset(&imximage_header, 0, sizeof(imximage_header));
 627
 628         /*
 629          * In order to not change the old imx cfg file
 630          * by adding VERSION command into it, here need
 631          * set up function ptr group to V1 by default.
 632          */
 633         imximage_version = IMXIMAGE_V1;
 634         /* Be able to detect if the cfg file has no BOOT_FROM tag */
 635         imximage_ivt_offset = FLASH_OFFSET_UNDEFINED;
 636         imximage_csf_size = 0;
 637         set_hdr_func(imxhdr);
 638
 639         /* Parse dcd configuration file */
 640         parse_cfg_file(&imximage_header, params->imagename);
 641
 642         /* TODO: check i.MX image V1 handling, for now use 'old' style */
 643         if (imximage_version == IMXIMAGE_V1) {
 644                 alloc_len = 4096;
 645         } else {
 646                 if (imximage_init_loadsize < imximage_ivt_offset +
 647                         sizeof(imx_header_v2_t))
 648                                 imximage_init_loadsize = imximage_ivt_offset +
 649                                         sizeof(imx_header_v2_t);
 650                 alloc_len = imximage_init_loadsize - imximage_ivt_offset;
 651         }
 652
 653         if (alloc_len < sizeof(struct imx_header)) {
 654                 fprintf(stderr, "%s: header error\n",
 655                         params->cmdname);
 656                 exit(EXIT_FAILURE);
 657         }
 658
 659         imxhdr = malloc(alloc_len);
 660
 661         if (!imxhdr) {
 662                 fprintf(stderr, "%s: malloc return failure: %s\n",
 663                         params->cmdname, strerror(errno));
 664                 exit(EXIT_FAILURE);
 665         }
 666
 667         memset(imxhdr, 0, alloc_len);
 668
 669         tparams->header_size = alloc_len;
 670         tparams->hdr         = imxhdr;
 671
 672         /* determine data image file length */
 673
 674         if (stat(datafile, &sbuf) < 0) {
 675                 fprintf(stderr, "%s: Can't stat %s: %s\n",
 676                         params->cmdname, datafile, strerror(errno));
 677                 exit(EXIT_FAILURE);
 678         }
 679
 680         pad_len = ROUND(sbuf.st_size, 4096) - sbuf.st_size;
 681
 682         /* TODO: check i.MX image V1 handling, for now use 'old' style */
 683         if (imximage_version == IMXIMAGE_V1)
 684                 return 0;
 685         else
 686                 return pad_len;
 687 }
 688
 689
 690 /*
 691  * imximage parameters
 692  */
 693 static struct image_type_params imximage_params = {
 694         .name           = "Freescale i.MX Boot Image support",
 695         .header_size    = 0,
 696         .hdr            = NULL,
 697         .check_image_type = imximage_check_image_types,
 698         .verify_header  = imximage_verify_header,
 699         .print_header   = imximage_print_header,
 700         .set_header     = imximage_set_header,
 701         .check_params   = imximage_check_params,
 702         .vrec_header    = imximage_generate,
 703 };
 704
 705 void init_imx_image_type(void)
 706 {
 707         mkimage_register(&imximage_params);
 708 }