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 #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_WRITE_SET_BIT,     "SET_BIT",              "Reg set bit",  },
  27         {CMD_CHECK_BITS_SET,    "CHECK_BITS_SET",   "Reg Check bits set", },
  28         {CMD_CHECK_BITS_CLR,    "CHECK_BITS_CLR",   "Reg Check bits clr", },
  29         {CMD_CSF,               "CSF",           "Command Sequence File", },
  30         {CMD_IMAGE_VERSION,     "IMAGE_VERSION",        "image version",  },
  31         {CMD_PLUGIN,            "PLUGIN",               "file plugin_addr",  },
  32         {-1,                    "",                     "",               },
  33 };
  34
  35 /*
  36  * Supported Boot options for configuration file
  37  * this is needed to set the correct flash offset
  38  */
  39 static table_entry_t imximage_boot_offset[] = {
  40         {FLASH_OFFSET_ONENAND,  "onenand",      "OneNAND Flash",},
  41         {FLASH_OFFSET_NAND,     "nand",         "NAND Flash",   },
  42         {FLASH_OFFSET_NOR,      "nor",          "NOR Flash",    },
  43         {FLASH_OFFSET_SATA,     "sata",         "SATA Disk",    },
  44         {FLASH_OFFSET_SD,       "sd",           "SD Card",      },
  45         {FLASH_OFFSET_SPI,      "spi",          "SPI Flash",    },
  46         {FLASH_OFFSET_QSPI,     "qspi",         "QSPI NOR Flash",},
  47         {-1,                    "",             "Invalid",      },
  48 };
  49
  50 /*
  51  * Supported Boot options for configuration file
  52  * this is needed to determine the initial load size
  53  */
  54 static table_entry_t imximage_boot_loadsize[] = {
  55         {FLASH_LOADSIZE_ONENAND,        "onenand",      "OneNAND Flash",},
  56         {FLASH_LOADSIZE_NAND,           "nand",         "NAND Flash",   },
  57         {FLASH_LOADSIZE_NOR,            "nor",          "NOR Flash",    },
  58         {FLASH_LOADSIZE_SATA,           "sata",         "SATA Disk",    },
  59         {FLASH_LOADSIZE_SD,             "sd",           "SD Card",      },
  60         {FLASH_LOADSIZE_SPI,            "spi",          "SPI Flash",    },
  61         {FLASH_LOADSIZE_QSPI,           "qspi",         "QSPI NOR Flash",},
  62         {-1,                            "",             "Invalid",      },
  63 };
  64
  65 /*
  66  * IMXIMAGE version definition for i.MX chips
  67  */
  68 static table_entry_t imximage_versions[] = {
  69         {IMXIMAGE_V1,   "",     " (i.MX25/35/51 compatible)", },
  70         {IMXIMAGE_V2,   "",     " (i.MX53/6/7 compatible)",   },
  71         {-1,            "",     " (Invalid)",                 },
  72 };
  73
  74 static struct imx_header imximage_header;
  75 static uint32_t imximage_version;
  76 /*
  77  * Image Vector Table Offset
  78  * Initialized to a wrong not 4-bytes aligned address to
  79  * check if it is was set by the cfg file.
  80  */
  81 static uint32_t imximage_ivt_offset = UNDEFINED;
  82 static uint32_t imximage_csf_size = UNDEFINED;
  83 /* Initial Load Region Size */
  84 static uint32_t imximage_init_loadsize;
  85 static uint32_t imximage_iram_free_start;
  86 static uint32_t imximage_plugin_size;
  87 static uint32_t plugin_image;
  88
  89 static set_dcd_val_t set_dcd_val;
  90 static set_dcd_param_t set_dcd_param;
  91 static set_dcd_rst_t set_dcd_rst;
  92 static set_imx_hdr_t set_imx_hdr;
  93 static uint32_t max_dcd_entries;
  94 static uint32_t *header_size_ptr;
  95 static uint32_t *csf_ptr;
  96
  97 static uint32_t get_cfg_value(char *token, char *name,  int linenr)
  98 {
  99         char *endptr;
 100         uint32_t value;
 101
 102         errno = 0;
 103         value = strtoul(token, &endptr, 16);
 104         if (errno || (token == endptr)) {
 105                 fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n",
 106                         name,  linenr, token);
 107                 exit(EXIT_FAILURE);
 108         }
 109         return value;
 110 }
 111
 112 static uint32_t detect_imximage_version(struct imx_header *imx_hdr)
 113 {
 114         imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
 115         imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
 116         flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
 117         flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
 118
 119         /* Try to detect V1 */
 120         if ((fhdr_v1->app_code_barker == APP_CODE_BARKER) &&
 121                 (hdr_v1->dcd_table.preamble.barker == DCD_BARKER))
 122                 return IMXIMAGE_V1;
 123
 124         /* Try to detect V2 */
 125         if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
 126                 (hdr_v2->data.dcd_table.header.tag == DCD_HEADER_TAG))
 127                 return IMXIMAGE_V2;
 128
 129         if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
 130             hdr_v2->boot_data.plugin)
 131                 return IMXIMAGE_V2;
 132
 133         return IMXIMAGE_VER_INVALID;
 134 }
 135
 136 static void err_imximage_version(int version)
 137 {
 138         fprintf(stderr,
 139                 "Error: Unsupported imximage version:%d\n", version);
 140
 141         exit(EXIT_FAILURE);
 142 }
 143
 144 static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno,
 145                                         int fld, uint32_t value, uint32_t off)
 146 {
 147         dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
 148
 149         switch (fld) {
 150         case CFG_REG_SIZE:
 151                 /* Byte, halfword, word */
 152                 if ((value != 1) && (value != 2) && (value != 4)) {
 153                         fprintf(stderr, "Error: %s[%d] - "
 154                                 "Invalid register size " "(%d)\n",
 155                                 name, lineno, value);
 156                         exit(EXIT_FAILURE);
 157                 }
 158                 dcd_v1->addr_data[off].type = value;
 159                 break;
 160         case CFG_REG_ADDRESS:
 161                 dcd_v1->addr_data[off].addr = value;
 162                 break;
 163         case CFG_REG_VALUE:
 164                 dcd_v1->addr_data[off].value = value;
 165                 break;
 166         default:
 167                 break;
 168
 169         }
 170 }
 171
 172 static struct dcd_v2_cmd *gd_last_cmd;
 173
 174 static void set_dcd_param_v2(struct imx_header *imxhdr, uint32_t dcd_len,
 175                 int32_t cmd)
 176 {
 177         dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.data.dcd_table;
 178         struct dcd_v2_cmd *d = gd_last_cmd;
 179         struct dcd_v2_cmd *d2;
 180         int len;
 181
 182         if (!d)
 183                 d = &dcd_v2->dcd_cmd;
 184         d2 = d;
 185         len = be16_to_cpu(d->write_dcd_command.length);
 186         if (len > 4)
 187                 d2 = (struct dcd_v2_cmd *)(((char *)d) + len);
 188
 189         switch (cmd) {
 190         case CMD_WRITE_DATA:
 191                 if ((d->write_dcd_command.tag == DCD_WRITE_DATA_COMMAND_TAG) &&
 192                     (d->write_dcd_command.param == DCD_WRITE_DATA_PARAM))
 193                         break;
 194                 d = d2;
 195                 d->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG;
 196                 d->write_dcd_command.length = cpu_to_be16(4);
 197                 d->write_dcd_command.param = DCD_WRITE_DATA_PARAM;
 198                 break;
 199         case CMD_WRITE_CLR_BIT:
 200                 if ((d->write_dcd_command.tag == DCD_WRITE_DATA_COMMAND_TAG) &&
 201                     (d->write_dcd_command.param == DCD_WRITE_CLR_BIT_PARAM))
 202                         break;
 203                 d = d2;
 204                 d->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG;
 205                 d->write_dcd_command.length = cpu_to_be16(4);
 206                 d->write_dcd_command.param = DCD_WRITE_CLR_BIT_PARAM;
 207                 break;
 208         case CMD_WRITE_SET_BIT:
 209                 if ((d->write_dcd_command.tag == DCD_WRITE_DATA_COMMAND_TAG) &&
 210                     (d->write_dcd_command.param == DCD_WRITE_SET_BIT_PARAM))
 211                         break;
 212                 d = d2;
 213                 d->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG;
 214                 d->write_dcd_command.length = cpu_to_be16(4);
 215                 d->write_dcd_command.param = DCD_WRITE_SET_BIT_PARAM;
 216                 break;
 217         /*
 218          * Check data command only supports one entry,
 219          */
 220         case CMD_CHECK_BITS_SET:
 221                 d = d2;
 222                 d->write_dcd_command.tag = DCD_CHECK_DATA_COMMAND_TAG;
 223                 d->write_dcd_command.length = cpu_to_be16(4);
 224                 d->write_dcd_command.param = DCD_CHECK_BITS_SET_PARAM;
 225                 break;
 226         case CMD_CHECK_BITS_CLR:
 227                 d = d2;
 228                 d->write_dcd_command.tag = DCD_CHECK_DATA_COMMAND_TAG;
 229                 d->write_dcd_command.length = cpu_to_be16(4);
 230                 d->write_dcd_command.param = DCD_CHECK_BITS_CLR_PARAM;
 231                 break;
 232         default:
 233                 break;
 234         }
 235         gd_last_cmd = d;
 236 }
 237
 238 static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno,
 239                                         int fld, uint32_t value, uint32_t off)
 240 {
 241         struct dcd_v2_cmd *d = gd_last_cmd;
 242         int len;
 243
 244         len = be16_to_cpu(d->write_dcd_command.length);
 245         off = (len - 4) >> 3;
 246
 247         switch (fld) {
 248         case CFG_REG_ADDRESS:
 249                 d->addr_data[off].addr = cpu_to_be32(value);
 250                 break;
 251         case CFG_REG_VALUE:
 252                 d->addr_data[off].value = cpu_to_be32(value);
 253                 off++;
 254                 d->write_dcd_command.length = cpu_to_be16((off << 3) + 4);
 255                 break;
 256         default:
 257                 break;
 258
 259         }
 260 }
 261
 262 /*
 263  * Complete setting up the rest field of DCD of V1
 264  * such as barker code and DCD data length.
 265  */
 266 static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len,
 267                                                 char *name, int lineno)
 268 {
 269         dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
 270
 271         dcd_v1->preamble.barker = DCD_BARKER;
 272         dcd_v1->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t);
 273 }
 274
 275 /*
 276  * Complete setting up the reset field of DCD of V2
 277  * such as DCD tag, version, length, etc.
 278  */
 279 static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len,
 280                                                 char *name, int lineno)
 281 {
 282         if (!imxhdr->header.hdr_v2.boot_data.plugin) {
 283                 dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.data.dcd_table;
 284                 struct dcd_v2_cmd *d = gd_last_cmd;
 285                 int len;
 286
 287                 if (!d)
 288                         d = &dcd_v2->dcd_cmd;
 289                 len = be16_to_cpu(d->write_dcd_command.length);
 290                 if (len > 4)
 291                         d = (struct dcd_v2_cmd *)(((char *)d) + len);
 292
 293                 len = (char *)d - (char *)&dcd_v2->header;
 294                 dcd_v2->header.tag = DCD_HEADER_TAG;
 295                 dcd_v2->header.length = cpu_to_be16(len);
 296                 dcd_v2->header.version = DCD_VERSION;
 297         }
 298 }
 299
 300 static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len,
 301                 uint32_t entry_point, uint32_t flash_offset)
 302 {
 303         imx_header_v1_t *hdr_v1 = &imxhdr->header.hdr_v1;
 304         flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
 305         dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
 306         uint32_t hdr_base;
 307         uint32_t header_length = (((char *)&dcd_v1->addr_data[dcd_len].addr)
 308                         - ((char *)imxhdr));
 309
 310         /* Set magic number */
 311         fhdr_v1->app_code_barker = APP_CODE_BARKER;
 312
 313         hdr_base = entry_point - imximage_init_loadsize + flash_offset;
 314         fhdr_v1->app_dest_ptr = hdr_base - flash_offset;
 315         fhdr_v1->app_code_jump_vector = entry_point;
 316
 317         fhdr_v1->dcd_ptr_ptr = hdr_base + offsetof(flash_header_v1_t, dcd_ptr);
 318         fhdr_v1->dcd_ptr = hdr_base + offsetof(imx_header_v1_t, dcd_table);
 319
 320         /* Security feature are not supported */
 321         fhdr_v1->app_code_csf = 0;
 322         fhdr_v1->super_root_key = 0;
 323         header_size_ptr = (uint32_t *)(((char *)imxhdr) + header_length - 4);
 324 }
 325
 326 static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len,
 327                 uint32_t entry_point, uint32_t flash_offset)
 328 {
 329         imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2;
 330         flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
 331         uint32_t hdr_base;
 332
 333         /* Set magic number */
 334         fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */
 335         fhdr_v2->header.length = cpu_to_be16(sizeof(flash_header_v2_t));
 336         fhdr_v2->header.version = IVT_VERSION; /* 0x40 */
 337
 338         if (!hdr_v2->boot_data.plugin) {
 339                 fhdr_v2->entry = entry_point;
 340                 fhdr_v2->reserved1 = 0;
 341                 fhdr_v2->reserved1 = 0;
 342                 hdr_base = entry_point - imximage_init_loadsize +
 343                         flash_offset;
 344                 fhdr_v2->self = hdr_base;
 345                 if (dcd_len > 0)
 346                         fhdr_v2->dcd_ptr = hdr_base +
 347                                 offsetof(imx_header_v2_t, data);
 348                 else
 349                         fhdr_v2->dcd_ptr = 0;
 350                 fhdr_v2->boot_data_ptr = hdr_base
 351                                 + offsetof(imx_header_v2_t, boot_data);
 352                 hdr_v2->boot_data.start = entry_point - imximage_init_loadsize;
 353
 354                 fhdr_v2->csf = 0;
 355
 356                 header_size_ptr = &hdr_v2->boot_data.size;
 357                 csf_ptr = &fhdr_v2->csf;
 358         } else {
 359                 imx_header_v2_t *next_hdr_v2;
 360                 flash_header_v2_t *next_fhdr_v2;
 361
 362                 if (imximage_csf_size != 0) {
 363                         fprintf(stderr, "Error: Header v2: SECURE_BOOT is only supported in DCD mode!");
 364                         exit(EXIT_FAILURE);
 365                 }
 366
 367                 fhdr_v2->entry = imximage_iram_free_start +
 368                         flash_offset + sizeof(flash_header_v2_t) +
 369                         sizeof(boot_data_t);
 370
 371                 fhdr_v2->reserved1 = 0;
 372                 fhdr_v2->reserved2 = 0;
 373                 fhdr_v2->self = imximage_iram_free_start + flash_offset;
 374
 375                 fhdr_v2->dcd_ptr = 0;
 376
 377                 fhdr_v2->boot_data_ptr = fhdr_v2->self +
 378                                 offsetof(imx_header_v2_t, boot_data);
 379
 380                 hdr_v2->boot_data.start = imximage_iram_free_start;
 381                 /*
 382                  * The actural size of plugin image is "imximage_plugin_size +
 383                  * sizeof(flash_header_v2_t) + sizeof(boot_data_t)", plus the
 384                  * flash_offset space.The ROM code only need to copy this size
 385                  * to run the plugin code. However, later when copy the whole
 386                  * U-Boot image to DDR, the ROM code use memcpy to copy the
 387                  * first part of the image, and use the storage read function
 388                  * to get the remaining part. This requires the dividing point
 389                  * must be multiple of storage sector size. Here we set the
 390                  * first section to be MAX_PLUGIN_CODE_SIZE(64KB) for this
 391                  * purpose.
 392                  */
 393                 hdr_v2->boot_data.size = MAX_PLUGIN_CODE_SIZE;
 394
 395                 /* Security feature are not supported */
 396                 fhdr_v2->csf = 0;
 397
 398                 next_hdr_v2 = (imx_header_v2_t *)((char *)hdr_v2 +
 399                                imximage_plugin_size);
 400
 401                 next_fhdr_v2 = &next_hdr_v2->fhdr;
 402
 403                 next_fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */
 404                 next_fhdr_v2->header.length =
 405                         cpu_to_be16(sizeof(flash_header_v2_t));
 406                 next_fhdr_v2->header.version = IVT_VERSION; /* 0x40 */
 407
 408                 next_fhdr_v2->entry = entry_point;
 409                 hdr_base = entry_point - sizeof(struct imx_header);
 410                 next_fhdr_v2->reserved1 = 0;
 411                 next_fhdr_v2->reserved2 = 0;
 412                 next_fhdr_v2->self = hdr_base + imximage_plugin_size;
 413
 414                 next_fhdr_v2->dcd_ptr = 0;
 415                 next_fhdr_v2->boot_data_ptr = next_fhdr_v2->self +
 416                                 offsetof(imx_header_v2_t, boot_data);
 417
 418                 next_hdr_v2->boot_data.start = hdr_base - flash_offset;
 419
 420                 header_size_ptr = &next_hdr_v2->boot_data.size;
 421
 422                 next_hdr_v2->boot_data.plugin = 0;
 423
 424                 next_fhdr_v2->csf = 0;
 425         }
 426 }
 427
 428 static void set_hdr_func(void)
 429 {
 430         switch (imximage_version) {
 431         case IMXIMAGE_V1:
 432                 set_dcd_val = set_dcd_val_v1;
 433                 set_dcd_param = NULL;
 434                 set_dcd_rst = set_dcd_rst_v1;
 435                 set_imx_hdr = set_imx_hdr_v1;
 436                 max_dcd_entries = MAX_HW_CFG_SIZE_V1;
 437                 break;
 438         case IMXIMAGE_V2:
 439                 gd_last_cmd = NULL;
 440                 set_dcd_val = set_dcd_val_v2;
 441                 set_dcd_param = set_dcd_param_v2;
 442                 set_dcd_rst = set_dcd_rst_v2;
 443                 set_imx_hdr = set_imx_hdr_v2;
 444                 max_dcd_entries = MAX_HW_CFG_SIZE_V2;
 445                 break;
 446         default:
 447                 err_imximage_version(imximage_version);
 448                 break;
 449         }
 450 }
 451
 452 static void print_hdr_v1(struct imx_header *imx_hdr)
 453 {
 454         imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
 455         flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
 456         dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
 457         uint32_t size, length, ver;
 458
 459         size = dcd_v1->preamble.length;
 460         if (size > (MAX_HW_CFG_SIZE_V1 * sizeof(dcd_type_addr_data_t))) {
 461                 fprintf(stderr,
 462                         "Error: Image corrupt DCD size %d exceed maximum %d\n",
 463                         (uint32_t)(size / sizeof(dcd_type_addr_data_t)),
 464                         MAX_HW_CFG_SIZE_V1);
 465                 exit(EXIT_FAILURE);
 466         }
 467
 468         length = dcd_v1->preamble.length / sizeof(dcd_type_addr_data_t);
 469         ver = detect_imximage_version(imx_hdr);
 470
 471         printf("Image Type:   Freescale IMX Boot Image\n");
 472         printf("Image Ver:    %x", ver);
 473         printf("%s\n", get_table_entry_name(imximage_versions, NULL, ver));
 474         printf("Data Size:    ");
 475         genimg_print_size(dcd_v1->addr_data[length].type);
 476         printf("Load Address: %08x\n", (uint32_t)fhdr_v1->app_dest_ptr);
 477         printf("Entry Point:  %08x\n", (uint32_t)fhdr_v1->app_code_jump_vector);
 478 }
 479
 480 static void print_hdr_v2(struct imx_header *imx_hdr)
 481 {
 482         imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
 483         flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
 484         dcd_v2_t *dcd_v2 = &hdr_v2->data.dcd_table;
 485         uint32_t size, version, plugin;
 486
 487         plugin = hdr_v2->boot_data.plugin;
 488         if (!plugin) {
 489                 size = be16_to_cpu(dcd_v2->header.length);
 490                 if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) {
 491                         fprintf(stderr,
 492                                 "Error: Image corrupt DCD size %d exceed maximum %d\n",
 493                                 (uint32_t)(size / sizeof(dcd_addr_data_t)),
 494                                 MAX_HW_CFG_SIZE_V2);
 495                         exit(EXIT_FAILURE);
 496                 }
 497         }
 498
 499         version = detect_imximage_version(imx_hdr);
 500
 501         printf("Image Type:   Freescale IMX Boot Image\n");
 502         printf("Image Ver:    %x", version);
 503         printf("%s\n", get_table_entry_name(imximage_versions, NULL, version));
 504         printf("Mode:         %s\n", plugin ? "PLUGIN" : "DCD");
 505         if (!plugin) {
 506                 printf("Data Size:    ");
 507                 genimg_print_size(hdr_v2->boot_data.size);
 508                 printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr);
 509                 printf("Entry Point:  %08x\n", (uint32_t)fhdr_v2->entry);
 510                 if (fhdr_v2->csf && (imximage_ivt_offset != UNDEFINED) &&
 511                     (imximage_csf_size != UNDEFINED)) {
 512                         uint16_t dcdlen;
 513                         int offs;
 514
 515                         dcdlen = hdr_v2->data.dcd_table.header.length;
 516                         offs = (char *)&hdr_v2->data.dcd_table
 517                                 - (char *)hdr_v2;
 518
 519                         printf("HAB Blocks:   0x%08x 0x%08x 0x%08x\n",
 520                                (uint32_t)fhdr_v2->self, 0,
 521                                hdr_v2->boot_data.size - imximage_ivt_offset -
 522                                imximage_csf_size);
 523                         printf("DCD Blocks:   00910000 %08x %08x\n",
 524                                offs, be16_to_cpu(dcdlen));
 525                 }
 526         } else {
 527                 imx_header_v2_t *next_hdr_v2;
 528                 flash_header_v2_t *next_fhdr_v2;
 529
 530                 /*First Header*/
 531                 printf("Plugin Data Size:     ");
 532                 genimg_print_size(hdr_v2->boot_data.size);
 533                 printf("Plugin Code Size:     ");
 534                 genimg_print_size(imximage_plugin_size);
 535                 printf("Plugin Load Address:  %08x\n", hdr_v2->boot_data.start);
 536                 printf("Plugin Entry Point:   %08x\n", (uint32_t)fhdr_v2->entry);
 537
 538                 /*Second Header*/
 539                 next_hdr_v2 = (imx_header_v2_t *)((char *)hdr_v2 +
 540                                 imximage_plugin_size);
 541                 next_fhdr_v2 = &next_hdr_v2->fhdr;
 542                 printf("U-Boot Data Size:     ");
 543                 genimg_print_size(next_hdr_v2->boot_data.size);
 544                 printf("U-Boot Load Address:  %08x\n",
 545                        next_hdr_v2->boot_data.start);
 546                 printf("U-Boot Entry Point:   %08x\n",
 547                        (uint32_t)next_fhdr_v2->entry);
 548         }
 549 }
 550
 551 static void copy_plugin_code(struct imx_header *imxhdr, char *plugin_file)
 552 {
 553         int ifd;
 554         struct stat sbuf;
 555         char *plugin_buf = imxhdr->header.hdr_v2.data.plugin_code;
 556         char *ptr;
 557
 558         ifd = open(plugin_file, O_RDONLY|O_BINARY);
 559         if (ifd < 0) {
 560                 fprintf(stderr, "Can't open %s: %s\n",
 561                         plugin_file,
 562                         strerror(errno));
 563                 exit(EXIT_FAILURE);
 564         }
 565
 566         if (fstat(ifd, &sbuf) < 0) {
 567                 fprintf(stderr, "Can't stat %s: %s\n",
 568                         plugin_file,
 569                         strerror(errno));
 570                 exit(EXIT_FAILURE);
 571         }
 572
 573         ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, ifd, 0);
 574         if (ptr == MAP_FAILED) {
 575                 fprintf(stderr, "Can't read %s: %s\n",
 576                         plugin_file,
 577                         strerror(errno));
 578                 exit(EXIT_FAILURE);
 579         }
 580
 581         if (sbuf.st_size > MAX_PLUGIN_CODE_SIZE) {
 582                 printf("plugin binary size too large\n");
 583                 exit(EXIT_FAILURE);
 584         }
 585
 586         memcpy(plugin_buf, ptr, sbuf.st_size);
 587         imximage_plugin_size = sbuf.st_size;
 588
 589         (void) munmap((void *)ptr, sbuf.st_size);
 590         (void) close(ifd);
 591
 592         imxhdr->header.hdr_v2.boot_data.plugin = 1;
 593 }
 594
 595 static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token,
 596                                 char *name, int lineno, int fld, int dcd_len)
 597 {
 598         int value;
 599         static int cmd_ver_first = ~0;
 600
 601         switch (cmd) {
 602         case CMD_IMAGE_VERSION:
 603                 imximage_version = get_cfg_value(token, name, lineno);
 604                 if (cmd_ver_first == 0) {
 605                         fprintf(stderr, "Error: %s[%d] - IMAGE_VERSION "
 606                                 "command need be the first before other "
 607                                 "valid command in the file\n", name, lineno);
 608                         exit(EXIT_FAILURE);
 609                 }
 610                 cmd_ver_first = 1;
 611                 set_hdr_func();
 612                 break;
 613         case CMD_BOOT_FROM:
 614                 imximage_ivt_offset = get_table_entry_id(imximage_boot_offset,
 615                                         "imximage boot option", token);
 616                 if (imximage_ivt_offset == -1) {
 617                         fprintf(stderr, "Error: %s[%d] -Invalid boot device"
 618                                 "(%s)\n", name, lineno, token);
 619                         exit(EXIT_FAILURE);
 620                 }
 621
 622                 imximage_init_loadsize =
 623                         get_table_entry_id(imximage_boot_loadsize,
 624                                            "imximage boot option", token);
 625
 626                 if (imximage_init_loadsize == -1) {
 627                         fprintf(stderr,
 628                                 "Error: %s[%d] -Invalid boot device(%s)\n",
 629                                 name, lineno, token);
 630                         exit(EXIT_FAILURE);
 631                 }
 632
 633                 /*
 634                  * The SOC loads from the storage starting at address 0
 635                  * then ensures that the load size contains the offset
 636                  */
 637                 if (imximage_init_loadsize < imximage_ivt_offset)
 638                         imximage_init_loadsize = imximage_ivt_offset;
 639                 if (unlikely(cmd_ver_first != 1))
 640                         cmd_ver_first = 0;
 641                 break;
 642         case CMD_BOOT_OFFSET:
 643                 imximage_ivt_offset = get_cfg_value(token, name, lineno);
 644                 if (unlikely(cmd_ver_first != 1))
 645                         cmd_ver_first = 0;
 646                 break;
 647         case CMD_WRITE_DATA:
 648         case CMD_WRITE_CLR_BIT:
 649         case CMD_WRITE_SET_BIT:
 650         case CMD_CHECK_BITS_SET:
 651         case CMD_CHECK_BITS_CLR:
 652                 value = get_cfg_value(token, name, lineno);
 653                 if (set_dcd_param)
 654                         (*set_dcd_param)(imxhdr, dcd_len, cmd);
 655                 (*set_dcd_val)(imxhdr, name, lineno, fld, value, dcd_len);
 656                 if (unlikely(cmd_ver_first != 1))
 657                         cmd_ver_first = 0;
 658                 break;
 659         case CMD_CSF:
 660                 if (imximage_version != 2) {
 661                         fprintf(stderr,
 662                                 "Error: %s[%d] - CSF only supported for VERSION 2(%s)\n",
 663                                 name, lineno, token);
 664                         exit(EXIT_FAILURE);
 665                 }
 666                 imximage_csf_size = get_cfg_value(token, name, lineno);
 667                 if (unlikely(cmd_ver_first != 1))
 668                         cmd_ver_first = 0;
 669                 break;
 670         case CMD_PLUGIN:
 671                 plugin_image = 1;
 672                 copy_plugin_code(imxhdr, token);
 673                 break;
 674         }
 675 }
 676
 677 static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd,
 678                 char *token, char *name, int lineno, int fld, int *dcd_len)
 679 {
 680         int value;
 681
 682         switch (fld) {
 683         case CFG_COMMAND:
 684                 *cmd = get_table_entry_id(imximage_cmds,
 685                         "imximage commands", token);
 686                 if (*cmd < 0) {
 687                         fprintf(stderr, "Error: %s[%d] - Invalid command"
 688                         "(%s)\n", name, lineno, token);
 689                         exit(EXIT_FAILURE);
 690                 }
 691                 break;
 692         case CFG_REG_SIZE:
 693                 parse_cfg_cmd(imxhdr, *cmd, token, name, lineno, fld, *dcd_len);
 694                 break;
 695         case CFG_REG_ADDRESS:
 696         case CFG_REG_VALUE:
 697                 switch(*cmd) {
 698                 case CMD_WRITE_DATA:
 699                 case CMD_WRITE_CLR_BIT:
 700                 case CMD_WRITE_SET_BIT:
 701                 case CMD_CHECK_BITS_SET:
 702                 case CMD_CHECK_BITS_CLR:
 703
 704                         value = get_cfg_value(token, name, lineno);
 705                         if (set_dcd_param)
 706                                 (*set_dcd_param)(imxhdr, *dcd_len, *cmd);
 707                         (*set_dcd_val)(imxhdr, name, lineno, fld, value,
 708                                         *dcd_len);
 709
 710                         if (fld == CFG_REG_VALUE) {
 711                                 (*dcd_len)++;
 712                                 if (*dcd_len > max_dcd_entries) {
 713                                         fprintf(stderr, "Error: %s[%d] -"
 714                                                 "DCD table exceeds maximum size(%d)\n",
 715                                                 name, lineno, max_dcd_entries);
 716                                         exit(EXIT_FAILURE);
 717                                 }
 718                         }
 719                         break;
 720                 case CMD_PLUGIN:
 721                         value = get_cfg_value(token, name, lineno);
 722                         imximage_iram_free_start = value;
 723                         break;
 724                 default:
 725                         break;
 726                 }
 727                 break;
 728         default:
 729                 break;
 730         }
 731 }
 732 static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name)
 733 {
 734         FILE *fd = NULL;
 735         char *line = NULL;
 736         char *token, *saveptr1, *saveptr2;
 737         int lineno = 0;
 738         int fld;
 739         size_t len;
 740         int dcd_len = 0;
 741         int32_t cmd;
 742
 743         fd = fopen(name, "r");
 744         if (fd == 0) {
 745                 fprintf(stderr, "Error: %s - Can't open DCD file\n", name);
 746                 exit(EXIT_FAILURE);
 747         }
 748
 749         /*
 750          * Very simple parsing, line starting with # are comments
 751          * and are dropped
 752          */
 753         while ((getline(&line, &len, fd)) > 0) {
 754                 lineno++;
 755
 756                 token = strtok_r(line, "\r\n", &saveptr1);
 757                 if (token == NULL)
 758                         continue;
 759
 760                 /* Check inside the single line */
 761                 for (fld = CFG_COMMAND, cmd = CMD_INVALID,
 762                                 line = token; ; line = NULL, fld++) {
 763                         token = strtok_r(line, " \t", &saveptr2);
 764                         if (token == NULL)
 765                                 break;
 766
 767                         /* Drop all text starting with '#' as comments */
 768                         if (token[0] == '#')
 769                                 break;
 770
 771                         parse_cfg_fld(imxhdr, &cmd, token, name,
 772                                         lineno, fld, &dcd_len);
 773                 }
 774
 775         }
 776
 777         (*set_dcd_rst)(imxhdr, dcd_len, name, lineno);
 778         fclose(fd);
 779
 780         return dcd_len;
 781 }
 782
 783
 784 static int imximage_check_image_types(uint8_t type)
 785 {
 786         if (type == IH_TYPE_IMXIMAGE)
 787                 return EXIT_SUCCESS;
 788         else
 789                 return EXIT_FAILURE;
 790 }
 791
 792 static int imximage_verify_header(unsigned char *ptr, int image_size,
 793                         struct image_tool_params *params)
 794 {
 795         struct imx_header *imx_hdr = (struct imx_header *) ptr;
 796
 797         if (detect_imximage_version(imx_hdr) == IMXIMAGE_VER_INVALID)
 798                 return -FDT_ERR_BADSTRUCTURE;
 799
 800         return 0;
 801 }
 802
 803 static void imximage_print_header(const void *ptr)
 804 {
 805         struct imx_header *imx_hdr = (struct imx_header *) ptr;
 806         uint32_t version = detect_imximage_version(imx_hdr);
 807
 808         switch (version) {
 809         case IMXIMAGE_V1:
 810                 print_hdr_v1(imx_hdr);
 811                 break;
 812         case IMXIMAGE_V2:
 813                 print_hdr_v2(imx_hdr);
 814                 break;
 815         default:
 816                 err_imximage_version(version);
 817                 break;
 818         }
 819 }
 820
 821 static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd,
 822                                 struct image_tool_params *params)
 823 {
 824         struct imx_header *imxhdr = (struct imx_header *)ptr;
 825         uint32_t dcd_len;
 826         uint32_t header_size;
 827
 828         /*
 829          * In order to not change the old imx cfg file
 830          * by adding VERSION command into it, here need
 831          * set up function ptr group to V1 by default.
 832          */
 833         imximage_version = IMXIMAGE_V1;
 834         /* Be able to detect if the cfg file has no BOOT_FROM tag */
 835         imximage_ivt_offset = FLASH_OFFSET_UNDEFINED;
 836         imximage_csf_size = 0;
 837         set_hdr_func();
 838
 839         /* Parse dcd configuration file */
 840         dcd_len = parse_cfg_file(imxhdr, params->imagename);
 841
 842         if (imximage_version == IMXIMAGE_V1)
 843                 header_size = sizeof(flash_header_v1_t);
 844         else {
 845                 header_size = sizeof(flash_header_v2_t) + sizeof(boot_data_t);
 846                 if (!plugin_image)
 847                         header_size += sizeof(dcd_v2_t);
 848                 else
 849                         header_size += MAX_PLUGIN_CODE_SIZE;
 850         }
 851
 852         if (imximage_init_loadsize < imximage_ivt_offset + header_size)
 853                         imximage_init_loadsize = imximage_ivt_offset + header_size;
 854
 855         /* Set the imx header */
 856         (*set_imx_hdr)(imxhdr, dcd_len, params->ep, imximage_ivt_offset);
 857
 858         /*
 859          * ROM bug alert
 860          *
 861          * MX53 only loads 512 byte multiples in case of SD boot.
 862          * MX53 only loads NAND page multiples in case of NAND boot and
 863          * supports up to 4096 byte large pages, thus align to 4096.
 864          *
 865          * The remaining fraction of a block bytes would not be loaded!
 866          */
 867         *header_size_ptr = ROUND((sbuf->st_size + imximage_ivt_offset), 4096);
 868
 869         if (csf_ptr && imximage_csf_size) {
 870                 *csf_ptr = params->ep - imximage_init_loadsize +
 871                         *header_size_ptr;
 872                 *header_size_ptr += imximage_csf_size;
 873         }
 874 }
 875
 876 int imximage_check_params(struct image_tool_params *params)
 877 {
 878         if (!params)
 879                 return CFG_INVALID;
 880         if (!strlen(params->imagename)) {
 881                 fprintf(stderr, "Error: %s - Configuration file not specified, "
 882                         "it is needed for imximage generation\n",
 883                         params->cmdname);
 884                 return CFG_INVALID;
 885         }
 886         /*
 887          * Check parameters:
 888          * XIP is not allowed and verify that incompatible
 889          * parameters are not sent at the same time
 890          * For example, if list is required a data image must not be provided
 891          */
 892         return  (params->dflag && (params->fflag || params->lflag)) ||
 893                 (params->fflag && (params->dflag || params->lflag)) ||
 894                 (params->lflag && (params->dflag || params->fflag)) ||
 895                 (params->xflag) || !(strlen(params->imagename));
 896 }
 897
 898 static int imximage_generate(struct image_tool_params *params,
 899         struct image_type_params *tparams)
 900 {
 901         struct imx_header *imxhdr;
 902         size_t alloc_len;
 903         struct stat sbuf;
 904         char *datafile = params->datafile;
 905         uint32_t pad_len, header_size;
 906
 907         memset(&imximage_header, 0, sizeof(imximage_header));
 908
 909         /*
 910          * In order to not change the old imx cfg file
 911          * by adding VERSION command into it, here need
 912          * set up function ptr group to V1 by default.
 913          */
 914         imximage_version = IMXIMAGE_V1;
 915         /* Be able to detect if the cfg file has no BOOT_FROM tag */
 916         imximage_ivt_offset = FLASH_OFFSET_UNDEFINED;
 917         imximage_csf_size = 0;
 918         set_hdr_func();
 919
 920         /* Parse dcd configuration file */
 921         parse_cfg_file(&imximage_header, params->imagename);
 922
 923         if (imximage_version == IMXIMAGE_V1)
 924                 header_size = sizeof(imx_header_v1_t);
 925         else {
 926                 header_size = sizeof(flash_header_v2_t) + sizeof(boot_data_t);
 927                 if (!plugin_image)
 928                         header_size += sizeof(dcd_v2_t);
 929                 else
 930                         header_size += MAX_PLUGIN_CODE_SIZE;
 931         }
 932
 933         if (imximage_init_loadsize < imximage_ivt_offset + header_size)
 934                         imximage_init_loadsize = imximage_ivt_offset + header_size;
 935
 936         alloc_len = imximage_init_loadsize - imximage_ivt_offset;
 937
 938         if (alloc_len < header_size) {
 939                 fprintf(stderr, "%s: header error\n",
 940                         params->cmdname);
 941                 exit(EXIT_FAILURE);
 942         }
 943
 944         imxhdr = malloc(alloc_len);
 945
 946         if (!imxhdr) {
 947                 fprintf(stderr, "%s: malloc return failure: %s\n",
 948                         params->cmdname, strerror(errno));
 949                 exit(EXIT_FAILURE);
 950         }
 951
 952         memset(imxhdr, 0, alloc_len);
 953
 954         tparams->header_size = alloc_len;
 955         tparams->hdr         = imxhdr;
 956
 957         /* determine data image file length */
 958
 959         if (stat(datafile, &sbuf) < 0) {
 960                 fprintf(stderr, "%s: Can't stat %s: %s\n",
 961                         params->cmdname, datafile, strerror(errno));
 962                 exit(EXIT_FAILURE);
 963         }
 964
 965         pad_len = ROUND(sbuf.st_size, 4096) - sbuf.st_size;
 966
 967         return pad_len;
 968 }
 969
 970
 971 /*
 972  * imximage parameters
 973  */
 974 U_BOOT_IMAGE_TYPE(
 975         imximage,
 976         "Freescale i.MX Boot Image support",
 977         0,
 978         NULL,
 979         imximage_check_params,
 980         imximage_verify_header,
 981         imximage_print_header,
 982         imximage_set_header,
 983         NULL,
 984         imximage_check_image_types,
 985         NULL,
 986         imximage_generate
 987 );