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 #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         if (imximage_version == IMXIMAGE_V2) {
 572                 if (imximage_init_loadsize < imximage_ivt_offset +
 573                         sizeof(imx_header_v2_t))
 574                                 imximage_init_loadsize = imximage_ivt_offset +
 575                                         sizeof(imx_header_v2_t);
 576         }
 577
 578         /* Set the imx header */
 579         (*set_imx_hdr)(imxhdr, dcd_len, params->ep, imximage_ivt_offset);
 580
 581         /*
 582          * ROM bug alert
 583          *
 584          * MX53 only loads 512 byte multiples in case of SD boot.
 585          * MX53 only loads NAND page multiples in case of NAND boot and
 586          * supports up to 4096 byte large pages, thus align to 4096.
 587          *
 588          * The remaining fraction of a block bytes would not be loaded!
 589          */
 590         *header_size_ptr = ROUND(sbuf->st_size, 4096);
 591
 592         if (csf_ptr && imximage_csf_size) {
 593                 *csf_ptr = params->ep - imximage_init_loadsize +
 594                         *header_size_ptr;
 595                 *header_size_ptr += imximage_csf_size;
 596         }
 597 }
 598
 599 int imximage_check_params(struct image_tool_params *params)
 600 {
 601         if (!params)
 602                 return CFG_INVALID;
 603         if (!strlen(params->imagename)) {
 604                 fprintf(stderr, "Error: %s - Configuration file not specified, "
 605                         "it is needed for imximage generation\n",
 606                         params->cmdname);
 607                 return CFG_INVALID;
 608         }
 609         /*
 610          * Check parameters:
 611          * XIP is not allowed and verify that incompatible
 612          * parameters are not sent at the same time
 613          * For example, if list is required a data image must not be provided
 614          */
 615         return  (params->dflag && (params->fflag || params->lflag)) ||
 616                 (params->fflag && (params->dflag || params->lflag)) ||
 617                 (params->lflag && (params->dflag || params->fflag)) ||
 618                 (params->xflag) || !(strlen(params->imagename));
 619 }
 620
 621 static int imximage_generate(struct image_tool_params *params,
 622         struct image_type_params *tparams)
 623 {
 624         struct imx_header *imxhdr;
 625         size_t alloc_len;
 626         struct stat sbuf;
 627         char *datafile = params->datafile;
 628         uint32_t pad_len;
 629
 630         memset(&imximage_header, 0, sizeof(imximage_header));
 631
 632         /*
 633          * In order to not change the old imx cfg file
 634          * by adding VERSION command into it, here need
 635          * set up function ptr group to V1 by default.
 636          */
 637         imximage_version = IMXIMAGE_V1;
 638         /* Be able to detect if the cfg file has no BOOT_FROM tag */
 639         imximage_ivt_offset = FLASH_OFFSET_UNDEFINED;
 640         imximage_csf_size = 0;
 641         set_hdr_func();
 642
 643         /* Parse dcd configuration file */
 644         parse_cfg_file(&imximage_header, params->imagename);
 645
 646         /* TODO: check i.MX image V1 handling, for now use 'old' style */
 647         if (imximage_version == IMXIMAGE_V1) {
 648                 alloc_len = 4096;
 649         } else {
 650                 if (imximage_init_loadsize < imximage_ivt_offset +
 651                         sizeof(imx_header_v2_t))
 652                                 imximage_init_loadsize = imximage_ivt_offset +
 653                                         sizeof(imx_header_v2_t);
 654                 alloc_len = imximage_init_loadsize - imximage_ivt_offset;
 655         }
 656
 657         if (alloc_len < sizeof(struct imx_header)) {
 658                 fprintf(stderr, "%s: header error\n",
 659                         params->cmdname);
 660                 exit(EXIT_FAILURE);
 661         }
 662
 663         imxhdr = malloc(alloc_len);
 664
 665         if (!imxhdr) {
 666                 fprintf(stderr, "%s: malloc return failure: %s\n",
 667                         params->cmdname, strerror(errno));
 668                 exit(EXIT_FAILURE);
 669         }
 670
 671         memset(imxhdr, 0, alloc_len);
 672
 673         tparams->header_size = alloc_len;
 674         tparams->hdr         = imxhdr;
 675
 676         /* determine data image file length */
 677
 678         if (stat(datafile, &sbuf) < 0) {
 679                 fprintf(stderr, "%s: Can't stat %s: %s\n",
 680                         params->cmdname, datafile, strerror(errno));
 681                 exit(EXIT_FAILURE);
 682         }
 683
 684         pad_len = ROUND(sbuf.st_size, 4096) - sbuf.st_size;
 685
 686         /* TODO: check i.MX image V1 handling, for now use 'old' style */
 687         if (imximage_version == IMXIMAGE_V1)
 688                 return 0;
 689         else
 690                 return pad_len;
 691 }
 692
 693
 694 /*
 695  * imximage parameters
 696  */
 697 static struct image_type_params imximage_params = {
 698         .name           = "Freescale i.MX Boot Image support",
 699         .header_size    = 0,
 700         .hdr            = NULL,
 701         .check_image_type = imximage_check_image_types,
 702         .verify_header  = imximage_verify_header,
 703         .print_header   = imximage_print_header,
 704         .set_header     = imximage_set_header,
 705         .check_params   = imximage_check_params,
 706         .vrec_header    = imximage_generate,
 707 };
 708
 709 void init_imx_image_type(void)
 710 {
 711         register_image_type(&imximage_params);
 712 }