boot/image-board.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Image code used by boards (and not host tools)
   4  *
   5  * (C) Copyright 2008 Semihalf
   6  *
   7  * (C) Copyright 2000-2006
   8  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   9  */
  10
  11 #include <common.h>
  12 #include <bootstage.h>
  13 #include <cpu_func.h>
  14 #include <display_options.h>
  15 #include <env.h>
  16 #include <fpga.h>
  17 #include <image.h>
  18 #include <init.h>
  19 #include <mapmem.h>
  20 #include <rtc.h>
  21 #include <watchdog.h>
  22 #include <asm/cache.h>
  23 #include <asm/global_data.h>
  24
  25 DECLARE_GLOBAL_DATA_PTR;
  26
  27 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
  28 /**
  29  * image_get_ramdisk - get and verify ramdisk image
  30  * @rd_addr: ramdisk image start address
  31  * @arch: expected ramdisk architecture
  32  * @verify: checksum verification flag
  33  *
  34  * image_get_ramdisk() returns a pointer to the verified ramdisk image
  35  * header. Routine receives image start address and expected architecture
  36  * flag. Verification done covers data and header integrity and os/type/arch
  37  * fields checking.
  38  *
  39  * returns:
  40  *     pointer to a ramdisk image header, if image was found and valid
  41  *     otherwise, return NULL
  42  */
  43 static const image_header_t *image_get_ramdisk(ulong rd_addr, u8 arch,
  44                                                int verify)
  45 {
  46         const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
  47
  48         if (!image_check_magic(rd_hdr)) {
  49                 puts("Bad Magic Number\n");
  50                 bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
  51                 return NULL;
  52         }
  53
  54         if (!image_check_hcrc(rd_hdr)) {
  55                 puts("Bad Header Checksum\n");
  56                 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
  57                 return NULL;
  58         }
  59
  60         bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
  61         image_print_contents(rd_hdr);
  62
  63         if (verify) {
  64                 puts("   Verifying Checksum ... ");
  65                 if (!image_check_dcrc(rd_hdr)) {
  66                         puts("Bad Data CRC\n");
  67                         bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
  68                         return NULL;
  69                 }
  70                 puts("OK\n");
  71         }
  72
  73         bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
  74
  75         if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
  76             !image_check_arch(rd_hdr, arch) ||
  77             !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
  78                 printf("No Linux %s Ramdisk Image\n",
  79                        genimg_get_arch_name(arch));
  80                 bootstage_error(BOOTSTAGE_ID_RAMDISK);
  81                 return NULL;
  82         }
  83
  84         return rd_hdr;
  85 }
  86 #endif
  87
  88 /*****************************************************************************/
  89 /* Shared dual-format routines */
  90 /*****************************************************************************/
  91 ulong image_load_addr = CONFIG_SYS_LOAD_ADDR;   /* Default Load Address */
  92 ulong image_save_addr;                  /* Default Save Address */
  93 ulong image_save_size;                  /* Default Save Size (in bytes) */
  94
  95 static int on_loadaddr(const char *name, const char *value, enum env_op op,
  96                        int flags)
  97 {
  98         switch (op) {
  99         case env_op_create:
 100         case env_op_overwrite:
 101                 image_load_addr = hextoul(value, NULL);
 102                 break;
 103         default:
 104                 break;
 105         }
 106
 107         return 0;
 108 }
 109 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
 110
 111 ulong env_get_bootm_low(void)
 112 {
 113         char *s = env_get("bootm_low");
 114
 115         if (s) {
 116                 ulong tmp = hextoul(s, NULL);
 117                 return tmp;
 118         }
 119
 120 #if defined(CONFIG_SYS_SDRAM_BASE)
 121         return CONFIG_SYS_SDRAM_BASE;
 122 #elif defined(CONFIG_ARM) || defined(CONFIG_MICROBLAZE) || defined(CONFIG_RISCV)
 123         return gd->bd->bi_dram[0].start;
 124 #else
 125         return 0;
 126 #endif
 127 }
 128
 129 phys_size_t env_get_bootm_size(void)
 130 {
 131         phys_size_t tmp, size;
 132         phys_addr_t start;
 133         char *s = env_get("bootm_size");
 134
 135         if (s) {
 136                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 137                 return tmp;
 138         }
 139
 140         start = gd->ram_base;
 141         size = gd->ram_size;
 142
 143         if (start + size > gd->ram_top)
 144                 size = gd->ram_top - start;
 145
 146         s = env_get("bootm_low");
 147         if (s)
 148                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 149         else
 150                 tmp = start;
 151
 152         return size - (tmp - start);
 153 }
 154
 155 phys_size_t env_get_bootm_mapsize(void)
 156 {
 157         phys_size_t tmp;
 158         char *s = env_get("bootm_mapsize");
 159
 160         if (s) {
 161                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 162                 return tmp;
 163         }
 164
 165 #if defined(CONFIG_SYS_BOOTMAPSZ)
 166         return CONFIG_SYS_BOOTMAPSZ;
 167 #else
 168         return env_get_bootm_size();
 169 #endif
 170 }
 171
 172 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
 173 {
 174         if (to == from)
 175                 return;
 176
 177 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
 178         if (to > from) {
 179                 from += len;
 180                 to += len;
 181         }
 182         while (len > 0) {
 183                 size_t tail = (len > chunksz) ? chunksz : len;
 184
 185                 WATCHDOG_RESET();
 186                 if (to > from) {
 187                         to -= tail;
 188                         from -= tail;
 189                 }
 190                 memmove(to, from, tail);
 191                 if (to < from) {
 192                         to += tail;
 193                         from += tail;
 194                 }
 195                 len -= tail;
 196         }
 197 #else   /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
 198         memmove(to, from, len);
 199 #endif  /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
 200 }
 201
 202 /**
 203  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
 204  *                              FIT strings
 205  * @img_addr: a string might contain real image address
 206  * @fit_uname_config: double pointer to a char, will hold pointer to a
 207  *                    configuration unit name
 208  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
 209  *                    name
 210  *
 211  * genimg_get_kernel_addr_fit get the real kernel start address from a string
 212  * which is normally the first argv of bootm/bootz
 213  *
 214  * returns:
 215  *     kernel start address
 216  */
 217 ulong genimg_get_kernel_addr_fit(char * const img_addr,
 218                                  const char **fit_uname_config,
 219                                  const char **fit_uname_kernel)
 220 {
 221         ulong kernel_addr;
 222
 223         /* find out kernel image address */
 224         if (!img_addr) {
 225                 kernel_addr = image_load_addr;
 226                 debug("*  kernel: default image load address = 0x%08lx\n",
 227                       image_load_addr);
 228         } else if (CONFIG_IS_ENABLED(FIT) &&
 229                    fit_parse_conf(img_addr, image_load_addr, &kernel_addr,
 230                                   fit_uname_config)) {
 231                 debug("*  kernel: config '%s' from image at 0x%08lx\n",
 232                       *fit_uname_config, kernel_addr);
 233         } else if (CONFIG_IS_ENABLED(FIT) &&
 234                    fit_parse_subimage(img_addr, image_load_addr, &kernel_addr,
 235                                       fit_uname_kernel)) {
 236                 debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
 237                       *fit_uname_kernel, kernel_addr);
 238         } else {
 239                 kernel_addr = hextoul(img_addr, NULL);
 240                 debug("*  kernel: cmdline image address = 0x%08lx\n",
 241                       kernel_addr);
 242         }
 243
 244         return kernel_addr;
 245 }
 246
 247 /**
 248  * genimg_get_kernel_addr() is the simple version of
 249  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
 250  */
 251 ulong genimg_get_kernel_addr(char * const img_addr)
 252 {
 253         const char *fit_uname_config = NULL;
 254         const char *fit_uname_kernel = NULL;
 255
 256         return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
 257                                           &fit_uname_kernel);
 258 }
 259
 260 /**
 261  * genimg_get_format - get image format type
 262  * @img_addr: image start address
 263  *
 264  * genimg_get_format() checks whether provided address points to a valid
 265  * legacy or FIT image.
 266  *
 267  * New uImage format and FDT blob are based on a libfdt. FDT blob
 268  * may be passed directly or embedded in a FIT image. In both situations
 269  * genimg_get_format() must be able to dectect libfdt header.
 270  *
 271  * returns:
 272  *     image format type or IMAGE_FORMAT_INVALID if no image is present
 273  */
 274 int genimg_get_format(const void *img_addr)
 275 {
 276         if (CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)) {
 277                 const image_header_t *hdr;
 278
 279                 hdr = (const image_header_t *)img_addr;
 280                 if (image_check_magic(hdr))
 281                         return IMAGE_FORMAT_LEGACY;
 282         }
 283         if (CONFIG_IS_ENABLED(FIT) || CONFIG_IS_ENABLED(OF_LIBFDT)) {
 284                 if (!fdt_check_header(img_addr))
 285                         return IMAGE_FORMAT_FIT;
 286         }
 287         if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE) &&
 288             !android_image_check_header(img_addr))
 289                 return IMAGE_FORMAT_ANDROID;
 290
 291         return IMAGE_FORMAT_INVALID;
 292 }
 293
 294 /**
 295  * fit_has_config - check if there is a valid FIT configuration
 296  * @images: pointer to the bootm command headers structure
 297  *
 298  * fit_has_config() checks if there is a FIT configuration in use
 299  * (if FTI support is present).
 300  *
 301  * returns:
 302  *     0, no FIT support or no configuration found
 303  *     1, configuration found
 304  */
 305 int genimg_has_config(bootm_headers_t *images)
 306 {
 307         if (CONFIG_IS_ENABLED(FIT) && images->fit_uname_cfg)
 308                 return 1;
 309
 310         return 0;
 311 }
 312
 313 /**
 314  * select_ramdisk() - Select and locate the ramdisk to use
 315  *
 316  * @images: pointer to the bootm images structure
 317  * @select: name of ramdisk to select, or hex address, NULL for any
 318  * @arch: expected ramdisk architecture
 319  * @rd_datap: pointer to a ulong variable, will hold ramdisk pointer
 320  * @rd_lenp: pointer to a ulong variable, will hold ramdisk length
 321  * Return: 0 if OK, -ENOPKG if no ramdisk (but an error should not be reported),
 322  *      other -ve value on other error
 323  */
 324 static int select_ramdisk(bootm_headers_t *images, const char *select, u8 arch,
 325                           ulong *rd_datap, ulong *rd_lenp)
 326 {
 327         bool done = false;
 328         ulong rd_addr;
 329         char *buf;
 330
 331 #if CONFIG_IS_ENABLED(FIT)
 332                 const char *fit_uname_config = images->fit_uname_cfg;
 333                 const char *fit_uname_ramdisk = NULL;
 334                 int rd_noffset;
 335
 336                 if (select) {
 337                         ulong default_addr;
 338                         /*
 339                          * If the init ramdisk comes from the FIT image and
 340                          * the FIT image address is omitted in the command
 341                          * line argument, try to use os FIT image address or
 342                          * default load address.
 343                          */
 344                         if (images->fit_uname_os)
 345                                 default_addr = (ulong)images->fit_hdr_os;
 346                         else
 347                                 default_addr = image_load_addr;
 348
 349                         if (fit_parse_conf(select, default_addr,
 350                                            &rd_addr, &fit_uname_config)) {
 351                                 debug("*  ramdisk: config '%s' from image at 0x%08lx\n",
 352                                       fit_uname_config, rd_addr);
 353                         } else if (fit_parse_subimage(select, default_addr,
 354                                                       &rd_addr,
 355                                                       &fit_uname_ramdisk)) {
 356                                 debug("*  ramdisk: subimage '%s' from image at 0x%08lx\n",
 357                                       fit_uname_ramdisk, rd_addr);
 358                         } else
 359 #endif
 360                         {
 361                                 rd_addr = hextoul(select, NULL);
 362                                 debug("*  ramdisk: cmdline image address = 0x%08lx\n",
 363                                       rd_addr);
 364                         }
 365 #if CONFIG_IS_ENABLED(FIT)
 366                 } else {
 367                         /* use FIT configuration provided in first bootm
 368                          * command argument. If the property is not defined,
 369                          * quit silently (with -ENOPKG)
 370                          */
 371                         rd_addr = map_to_sysmem(images->fit_hdr_os);
 372                         rd_noffset = fit_get_node_from_config(images,
 373                                                               FIT_RAMDISK_PROP,
 374                                                               rd_addr);
 375                         if (rd_noffset == -ENOENT)
 376                                 return -ENOPKG;
 377                         else if (rd_noffset < 0)
 378                                 return rd_noffset;
 379                 }
 380 #endif
 381
 382                 /*
 383                  * Check if there is an initrd image at the
 384                  * address provided in the second bootm argument
 385                  * check image type, for FIT images get FIT node.
 386                  */
 387                 buf = map_sysmem(rd_addr, 0);
 388                 switch (genimg_get_format(buf)) {
 389 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
 390                 case IMAGE_FORMAT_LEGACY: {
 391                         const image_header_t *rd_hdr;
 392
 393                         printf("## Loading init Ramdisk from Legacy Image at %08lx ...\n",
 394                                rd_addr);
 395
 396                         bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
 397                         rd_hdr = image_get_ramdisk(rd_addr, arch,
 398                                                    images->verify);
 399
 400                         if (!rd_hdr)
 401                                 return -ENOENT;
 402
 403                         *rd_datap = image_get_data(rd_hdr);
 404                         *rd_lenp = image_get_data_size(rd_hdr);
 405                         done = true;
 406                         break;
 407                 }
 408 #endif
 409 #if CONFIG_IS_ENABLED(FIT)
 410                 case IMAGE_FORMAT_FIT:
 411                         rd_noffset = fit_image_load(images,
 412                                                     rd_addr, &fit_uname_ramdisk,
 413                                                     &fit_uname_config, arch,
 414                                                     IH_TYPE_RAMDISK,
 415                                                     BOOTSTAGE_ID_FIT_RD_START,
 416                                                     FIT_LOAD_OPTIONAL_NON_ZERO,
 417                                                     rd_datap, rd_lenp);
 418                         if (rd_noffset < 0)
 419                                 return rd_noffset;
 420
 421                         images->fit_hdr_rd = map_sysmem(rd_addr, 0);
 422                         images->fit_uname_rd = fit_uname_ramdisk;
 423                         images->fit_noffset_rd = rd_noffset;
 424                         done = true;
 425                         break;
 426 #endif
 427                 case IMAGE_FORMAT_ANDROID:
 428                         if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) {
 429                                 void *ptr = map_sysmem(images->os.start, 0);
 430                                 int ret;
 431
 432                                 ret = android_image_get_ramdisk(ptr, rd_datap,
 433                                                                 rd_lenp);
 434                                 unmap_sysmem(ptr);
 435                                 if (ret)
 436                                         return ret;
 437                                 done = true;
 438                         }
 439                         break;
 440                 }
 441
 442         if (!done) {
 443                 if (IS_ENABLED(CONFIG_SUPPORT_RAW_INITRD)) {
 444                         char *end = NULL;
 445
 446                         if (select)
 447                                 end = strchr(select, ':');
 448                         if (end) {
 449                                 *rd_lenp = hextoul(++end, NULL);
 450                                 *rd_datap = rd_addr;
 451                                 done = true;
 452                         }
 453                 }
 454
 455                 if (!done) {
 456                         puts("Wrong Ramdisk Image Format\n");
 457                         return -EINVAL;
 458                 }
 459         }
 460
 461         return 0;
 462 }
 463
 464 /**
 465  * boot_get_ramdisk - main ramdisk handling routine
 466  * @argc: command argument count
 467  * @argv: command argument list
 468  * @images: pointer to the bootm images structure
 469  * @arch: expected ramdisk architecture
 470  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
 471  * @rd_end: pointer to a ulong variable, will hold ramdisk end
 472  *
 473  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
 474  * Currently supported are the following ramdisk sources:
 475  *      - multicomponent kernel/ramdisk image,
 476  *      - commandline provided address of decicated ramdisk image.
 477  *
 478  * returns:
 479  *     0, if ramdisk image was found and valid, or skiped
 480  *     rd_start and rd_end are set to ramdisk start/end addresses if
 481  *     ramdisk image is found and valid
 482  *
 483  *     1, if ramdisk image is found but corrupted, or invalid
 484  *     rd_start and rd_end are set to 0 if no ramdisk exists
 485  */
 486 int boot_get_ramdisk(int argc, char *const argv[], bootm_headers_t *images,
 487                      u8 arch, ulong *rd_start, ulong *rd_end)
 488 {
 489         ulong rd_data, rd_len;
 490         const char *select = NULL;
 491
 492         *rd_start = 0;
 493         *rd_end = 0;
 494
 495         if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) {
 496                 char *buf;
 497
 498                 /* Look for an Android boot image */
 499                 buf = map_sysmem(images->os.start, 0);
 500                 if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
 501                         select = (argc == 0) ? env_get("loadaddr") : argv[0];
 502         }
 503
 504         if (argc >= 2)
 505                 select = argv[1];
 506
 507         /*
 508          * Look for a '-' which indicates to ignore the
 509          * ramdisk argument
 510          */
 511         if (select && strcmp(select, "-") ==  0) {
 512                 debug("## Skipping init Ramdisk\n");
 513                 rd_len = 0;
 514                 rd_data = 0;
 515         } else if (select || genimg_has_config(images)) {
 516                 int ret;
 517
 518                 ret = select_ramdisk(images, select, arch, &rd_data, &rd_len);
 519                 if (ret == -ENOPKG)
 520                         return 0;
 521                 else if (ret)
 522                         return ret;
 523         } else if (images->legacy_hdr_valid &&
 524                         image_check_type(&images->legacy_hdr_os_copy,
 525                                          IH_TYPE_MULTI)) {
 526                 /*
 527                  * Now check if we have a legacy mult-component image,
 528                  * get second entry data start address and len.
 529                  */
 530                 bootstage_mark(BOOTSTAGE_ID_RAMDISK);
 531                 printf("## Loading init Ramdisk from multi component Legacy Image at %08lx ...\n",
 532                        (ulong)images->legacy_hdr_os);
 533
 534                 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
 535         } else {
 536                 /*
 537                  * no initrd image
 538                  */
 539                 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
 540                 rd_len = 0;
 541                 rd_data = 0;
 542         }
 543
 544         if (!rd_data) {
 545                 debug("## No init Ramdisk\n");
 546         } else {
 547                 *rd_start = rd_data;
 548                 *rd_end = rd_data + rd_len;
 549         }
 550         debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
 551               *rd_start, *rd_end);
 552
 553         return 0;
 554 }
 555
 556 #if defined(CONFIG_LMB)
 557 /**
 558  * boot_ramdisk_high - relocate init ramdisk
 559  * @lmb: pointer to lmb handle, will be used for memory mgmt
 560  * @rd_data: ramdisk data start address
 561  * @rd_len: ramdisk data length
 562  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
 563  *      start address (after possible relocation)
 564  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
 565  *      end address (after possible relocation)
 566  *
 567  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
 568  * variable and if requested ramdisk data is moved to a specified location.
 569  *
 570  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
 571  * start/end addresses if ramdisk image start and len were provided,
 572  * otherwise set initrd_start and initrd_end set to zeros.
 573  *
 574  * returns:
 575  *      0 - success
 576  *     -1 - failure
 577  */
 578 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
 579                       ulong *initrd_start, ulong *initrd_end)
 580 {
 581         char    *s;
 582         ulong   initrd_high;
 583         int     initrd_copy_to_ram = 1;
 584
 585         s = env_get("initrd_high");
 586         if (s) {
 587                 /* a value of "no" or a similar string will act like 0,
 588                  * turning the "load high" feature off. This is intentional.
 589                  */
 590                 initrd_high = hextoul(s, NULL);
 591                 if (initrd_high == ~0)
 592                         initrd_copy_to_ram = 0;
 593         } else {
 594                 initrd_high = env_get_bootm_mapsize() + env_get_bootm_low();
 595         }
 596
 597         debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
 598               initrd_high, initrd_copy_to_ram);
 599
 600         if (rd_data) {
 601                 if (!initrd_copy_to_ram) {      /* zero-copy ramdisk support */
 602                         debug("   in-place initrd\n");
 603                         *initrd_start = rd_data;
 604                         *initrd_end = rd_data + rd_len;
 605                         lmb_reserve(lmb, rd_data, rd_len);
 606                 } else {
 607                         if (initrd_high)
 608                                 *initrd_start = (ulong)lmb_alloc_base(lmb,
 609                                                 rd_len, 0x1000, initrd_high);
 610                         else
 611                                 *initrd_start = (ulong)lmb_alloc(lmb, rd_len,
 612                                                                  0x1000);
 613
 614                         if (*initrd_start == 0) {
 615                                 puts("ramdisk - allocation error\n");
 616                                 goto error;
 617                         }
 618                         bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
 619
 620                         *initrd_end = *initrd_start + rd_len;
 621                         printf("   Loading Ramdisk to %08lx, end %08lx ... ",
 622                                *initrd_start, *initrd_end);
 623
 624                         memmove_wd((void *)*initrd_start,
 625                                    (void *)rd_data, rd_len, CHUNKSZ);
 626
 627                         /*
 628                          * Ensure the image is flushed to memory to handle
 629                          * AMP boot scenarios in which we might not be
 630                          * HW cache coherent
 631                          */
 632                         if (IS_ENABLED(CONFIG_MP)) {
 633                                 flush_cache((unsigned long)*initrd_start,
 634                                             ALIGN(rd_len, ARCH_DMA_MINALIGN));
 635                         }
 636                         puts("OK\n");
 637                 }
 638         } else {
 639                 *initrd_start = 0;
 640                 *initrd_end = 0;
 641         }
 642         debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
 643               *initrd_start, *initrd_end);
 644
 645         return 0;
 646
 647 error:
 648         return -1;
 649 }
 650 #endif
 651
 652 int boot_get_setup(bootm_headers_t *images, u8 arch,
 653                    ulong *setup_start, ulong *setup_len)
 654 {
 655         if (!CONFIG_IS_ENABLED(FIT))
 656                 return -ENOENT;
 657
 658         return boot_get_setup_fit(images, arch, setup_start, setup_len);
 659 }
 660
 661 int boot_get_fpga(int argc, char *const argv[], bootm_headers_t *images,
 662                   u8 arch, const ulong *ld_start, ulong * const ld_len)
 663 {
 664         ulong tmp_img_addr, img_data, img_len;
 665         void *buf;
 666         int conf_noffset;
 667         int fit_img_result;
 668         const char *uname, *name;
 669         int err;
 670         int devnum = 0; /* TODO support multi fpga platforms */
 671
 672         if (!IS_ENABLED(CONFIG_FPGA))
 673                 return -ENOSYS;
 674
 675         /* Check to see if the images struct has a FIT configuration */
 676         if (!genimg_has_config(images)) {
 677                 debug("## FIT configuration was not specified\n");
 678                 return 0;
 679         }
 680
 681         /*
 682          * Obtain the os FIT header from the images struct
 683          */
 684         tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
 685         buf = map_sysmem(tmp_img_addr, 0);
 686         /*
 687          * Check image type. For FIT images get FIT node
 688          * and attempt to locate a generic binary.
 689          */
 690         switch (genimg_get_format(buf)) {
 691         case IMAGE_FORMAT_FIT:
 692                 conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
 693
 694                 uname = fdt_stringlist_get(buf, conf_noffset, FIT_FPGA_PROP, 0,
 695                                            NULL);
 696                 if (!uname) {
 697                         debug("## FPGA image is not specified\n");
 698                         return 0;
 699                 }
 700                 fit_img_result = fit_image_load(images,
 701                                                 tmp_img_addr,
 702                                                 (const char **)&uname,
 703                                                 &images->fit_uname_cfg,
 704                                                 arch,
 705                                                 IH_TYPE_FPGA,
 706                                                 BOOTSTAGE_ID_FPGA_INIT,
 707                                                 FIT_LOAD_OPTIONAL_NON_ZERO,
 708                                                 &img_data, &img_len);
 709
 710                 debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
 711                       uname, img_data, img_len);
 712
 713                 if (fit_img_result < 0) {
 714                         /* Something went wrong! */
 715                         return fit_img_result;
 716                 }
 717
 718                 if (!fpga_is_partial_data(devnum, img_len)) {
 719                         name = "full";
 720                         err = fpga_loadbitstream(devnum, (char *)img_data,
 721                                                  img_len, BIT_FULL);
 722                         if (err)
 723                                 err = fpga_load(devnum, (const void *)img_data,
 724                                                 img_len, BIT_FULL, 0);
 725                 } else {
 726                         name = "partial";
 727                         err = fpga_loadbitstream(devnum, (char *)img_data,
 728                                                  img_len, BIT_PARTIAL);
 729                         if (err)
 730                                 err = fpga_load(devnum, (const void *)img_data,
 731                                                 img_len, BIT_PARTIAL, 0);
 732                 }
 733
 734                 if (err)
 735                         return err;
 736
 737                 printf("   Programming %s bitstream... OK\n", name);
 738                 break;
 739         default:
 740                 printf("The given image format is not supported (corrupt?)\n");
 741                 return 1;
 742         }
 743
 744         return 0;
 745 }
 746
 747 static void fit_loadable_process(u8 img_type,
 748                                  ulong img_data,
 749                                  ulong img_len)
 750 {
 751         int i;
 752         const unsigned int count =
 753                         ll_entry_count(struct fit_loadable_tbl, fit_loadable);
 754         struct fit_loadable_tbl *fit_loadable_handler =
 755                         ll_entry_start(struct fit_loadable_tbl, fit_loadable);
 756         /* For each loadable handler */
 757         for (i = 0; i < count; i++, fit_loadable_handler++)
 758                 /* matching this type */
 759                 if (fit_loadable_handler->type == img_type)
 760                         /* call that handler with this image data */
 761                         fit_loadable_handler->handler(img_data, img_len);
 762 }
 763
 764 int boot_get_loadable(int argc, char *const argv[], bootm_headers_t *images,
 765                       u8 arch, const ulong *ld_start, ulong * const ld_len)
 766 {
 767         /*
 768          * These variables are used to hold the current image location
 769          * in system memory.
 770          */
 771         ulong tmp_img_addr;
 772         /*
 773          * These two variables are requirements for fit_image_load, but
 774          * their values are not used
 775          */
 776         ulong img_data, img_len;
 777         void *buf;
 778         int loadables_index;
 779         int conf_noffset;
 780         int fit_img_result;
 781         const char *uname;
 782         u8 img_type;
 783
 784         /* Check to see if the images struct has a FIT configuration */
 785         if (!genimg_has_config(images)) {
 786                 debug("## FIT configuration was not specified\n");
 787                 return 0;
 788         }
 789
 790         /*
 791          * Obtain the os FIT header from the images struct
 792          */
 793         tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
 794         buf = map_sysmem(tmp_img_addr, 0);
 795         /*
 796          * Check image type. For FIT images get FIT node
 797          * and attempt to locate a generic binary.
 798          */
 799         switch (genimg_get_format(buf)) {
 800         case IMAGE_FORMAT_FIT:
 801                 conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
 802
 803                 for (loadables_index = 0;
 804                      uname = fdt_stringlist_get(buf, conf_noffset,
 805                                                 FIT_LOADABLE_PROP,
 806                                                 loadables_index, NULL), uname;
 807                      loadables_index++) {
 808                         fit_img_result = fit_image_load(images, tmp_img_addr,
 809                                                         &uname,
 810                                                         &images->fit_uname_cfg,
 811                                                         arch, IH_TYPE_LOADABLE,
 812                                                         BOOTSTAGE_ID_FIT_LOADABLE_START,
 813                                                         FIT_LOAD_OPTIONAL_NON_ZERO,
 814                                                         &img_data, &img_len);
 815                         if (fit_img_result < 0) {
 816                                 /* Something went wrong! */
 817                                 return fit_img_result;
 818                         }
 819
 820                         fit_img_result = fit_image_get_node(buf, uname);
 821                         if (fit_img_result < 0) {
 822                                 /* Something went wrong! */
 823                                 return fit_img_result;
 824                         }
 825                         fit_img_result = fit_image_get_type(buf,
 826                                                             fit_img_result,
 827                                                             &img_type);
 828                         if (fit_img_result < 0) {
 829                                 /* Something went wrong! */
 830                                 return fit_img_result;
 831                         }
 832
 833                         fit_loadable_process(img_type, img_data, img_len);
 834                 }
 835                 break;
 836         default:
 837                 printf("The given image format is not supported (corrupt?)\n");
 838                 return 1;
 839         }
 840
 841         return 0;
 842 }
 843
 844 #if defined(CONFIG_LMB)
 845 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
 846 /**
 847  * boot_get_cmdline - allocate and initialize kernel cmdline
 848  * @lmb: pointer to lmb handle, will be used for memory mgmt
 849  * @cmd_start: pointer to a ulong variable, will hold cmdline start
 850  * @cmd_end: pointer to a ulong variable, will hold cmdline end
 851  *
 852  * boot_get_cmdline() allocates space for kernel command line below
 853  * BOOTMAPSZ + env_get_bootm_low() address. If "bootargs" U-Boot environment
 854  * variable is present its contents is copied to allocated kernel
 855  * command line.
 856  *
 857  * returns:
 858  *      0 - success
 859  *     -1 - failure
 860  */
 861 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
 862 {
 863         char *cmdline;
 864         char *s;
 865
 866         cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
 867                                 env_get_bootm_mapsize() + env_get_bootm_low());
 868         if (!cmdline)
 869                 return -1;
 870
 871         s = env_get("bootargs");
 872         if (!s)
 873                 s = "";
 874
 875         strcpy(cmdline, s);
 876
 877         *cmd_start = (ulong)cmdline;
 878         *cmd_end = *cmd_start + strlen(cmdline);
 879
 880         debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
 881
 882         return 0;
 883 }
 884
 885 /**
 886  * boot_get_kbd - allocate and initialize kernel copy of board info
 887  * @lmb: pointer to lmb handle, will be used for memory mgmt
 888  * @kbd: double pointer to board info data
 889  *
 890  * boot_get_kbd() allocates space for kernel copy of board info data below
 891  * BOOTMAPSZ + env_get_bootm_low() address and kernel board info is initialized
 892  * with the current u-boot board info data.
 893  *
 894  * returns:
 895  *      0 - success
 896  *     -1 - failure
 897  */
 898 int boot_get_kbd(struct lmb *lmb, struct bd_info **kbd)
 899 {
 900         *kbd = (struct bd_info *)(ulong)lmb_alloc_base(lmb,
 901                                                        sizeof(struct bd_info),
 902                                                        0xf,
 903                                                        env_get_bootm_mapsize() +
 904                                                        env_get_bootm_low());
 905         if (!*kbd)
 906                 return -1;
 907
 908         **kbd = *gd->bd;
 909
 910         debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
 911
 912 #if defined(DEBUG)
 913         if (IS_ENABLED(CONFIG_CMD_BDI))
 914                 do_bdinfo(NULL, 0, 0, NULL);
 915 #endif
 916
 917         return 0;
 918 }
 919 #endif
 920
 921 int image_setup_linux(bootm_headers_t *images)
 922 {
 923         ulong of_size = images->ft_len;
 924         char **of_flat_tree = &images->ft_addr;
 925         struct lmb *lmb = &images->lmb;
 926         int ret;
 927
 928         if (CONFIG_IS_ENABLED(OF_LIBFDT))
 929                 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
 930
 931         if (IS_ENABLED(CONFIG_SYS_BOOT_GET_CMDLINE)) {
 932                 ret = boot_get_cmdline(lmb, &images->cmdline_start,
 933                                        &images->cmdline_end);
 934                 if (ret) {
 935                         puts("ERROR with allocation of cmdline\n");
 936                         return ret;
 937                 }
 938         }
 939
 940         if (CONFIG_IS_ENABLED(OF_LIBFDT)) {
 941                 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
 942                 if (ret)
 943                         return ret;
 944         }
 945
 946         if (CONFIG_IS_ENABLED(OF_LIBFDT) && of_size) {
 947                 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
 948                 if (ret)
 949                         return ret;
 950         }
 951
 952         return 0;
 953 }
 954 #endif
 955
 956 void genimg_print_size(uint32_t size)
 957 {
 958         printf("%d Bytes = ", size);
 959         print_size(size, "\n");
 960 }
 961
 962 void genimg_print_time(time_t timestamp)
 963 {
 964         struct rtc_time tm;
 965
 966         rtc_to_tm(timestamp, &tm);
 967         printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
 968                tm.tm_year, tm.tm_mon, tm.tm_mday,
 969                tm.tm_hour, tm.tm_min, tm.tm_sec);
 970 }