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 <log.h>
  20 #include <mapmem.h>
  21 #include <rtc.h>
  22 #include <watchdog.h>
  23 #include <asm/cache.h>
  24 #include <asm/global_data.h>
  25
  26 DECLARE_GLOBAL_DATA_PTR;
  27
  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 struct legacy_img_hdr *image_get_ramdisk(ulong rd_addr, u8 arch,
  44                                                       int verify)
  45 {
  46         const struct legacy_img_hdr *rd_hdr = (const struct legacy_img_hdr *)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
  87 /*****************************************************************************/
  88 /* Shared dual-format routines */
  89 /*****************************************************************************/
  90 ulong image_load_addr = CONFIG_SYS_LOAD_ADDR;   /* Default Load Address */
  91 ulong image_save_addr;                  /* Default Save Address */
  92 ulong image_save_size;                  /* Default Save Size (in bytes) */
  93
  94 static int on_loadaddr(const char *name, const char *value, enum env_op op,
  95                        int flags)
  96 {
  97         switch (op) {
  98         case env_op_create:
  99         case env_op_overwrite:
 100                 image_load_addr = hextoul(value, NULL);
 101                 break;
 102         default:
 103                 break;
 104         }
 105
 106         return 0;
 107 }
 108 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
 109
 110 ulong env_get_bootm_low(void)
 111 {
 112         char *s = env_get("bootm_low");
 113
 114         if (s) {
 115                 ulong tmp = hextoul(s, NULL);
 116                 return tmp;
 117         }
 118
 119 #if defined(CFG_SYS_SDRAM_BASE)
 120         return CFG_SYS_SDRAM_BASE;
 121 #elif defined(CONFIG_ARM) || defined(CONFIG_MICROBLAZE) || defined(CONFIG_RISCV)
 122         return gd->bd->bi_dram[0].start;
 123 #else
 124         return 0;
 125 #endif
 126 }
 127
 128 phys_size_t env_get_bootm_size(void)
 129 {
 130         phys_size_t tmp, size;
 131         phys_addr_t start;
 132         char *s = env_get("bootm_size");
 133
 134         if (s) {
 135                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 136                 return tmp;
 137         }
 138
 139         start = gd->ram_base;
 140         size = gd->ram_size;
 141
 142         if (start + size > gd->ram_top)
 143                 size = gd->ram_top - start;
 144
 145         s = env_get("bootm_low");
 146         if (s)
 147                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 148         else
 149                 tmp = start;
 150
 151         return size - (tmp - start);
 152 }
 153
 154 phys_size_t env_get_bootm_mapsize(void)
 155 {
 156         phys_size_t tmp;
 157         char *s = env_get("bootm_mapsize");
 158
 159         if (s) {
 160                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 161                 return tmp;
 162         }
 163
 164 #if defined(CFG_SYS_BOOTMAPSZ)
 165         return CFG_SYS_BOOTMAPSZ;
 166 #else
 167         return env_get_bootm_size();
 168 #endif
 169 }
 170
 171 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
 172 {
 173         if (to == from)
 174                 return;
 175
 176         if (IS_ENABLED(CONFIG_HW_WATCHDOG) || IS_ENABLED(CONFIG_WATCHDOG)) {
 177                 if (to > from) {
 178                         from += len;
 179                         to += len;
 180                 }
 181                 while (len > 0) {
 182                         size_t tail = (len > chunksz) ? chunksz : len;
 183
 184                         schedule();
 185                         if (to > from) {
 186                                 to -= tail;
 187                                 from -= tail;
 188                         }
 189                         memmove(to, from, tail);
 190                         if (to < from) {
 191                                 to += tail;
 192                                 from += tail;
 193                         }
 194                         len -= tail;
 195                 }
 196         } else {
 197                 memmove(to, from, len);
 198         }
 199 }
 200
 201 /**
 202  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
 203  *                              FIT strings
 204  * @img_addr: a string might contain real image address
 205  * @fit_uname_config: double pointer to a char, will hold pointer to a
 206  *                    configuration unit name
 207  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
 208  *                    name
 209  *
 210  * genimg_get_kernel_addr_fit get the real kernel start address from a string
 211  * which is normally the first argv of bootm/bootz
 212  *
 213  * returns:
 214  *     kernel start address
 215  */
 216 ulong genimg_get_kernel_addr_fit(char * const img_addr,
 217                                  const char **fit_uname_config,
 218                                  const char **fit_uname_kernel)
 219 {
 220         ulong kernel_addr;
 221
 222         /* find out kernel image address */
 223         if (!img_addr) {
 224                 kernel_addr = image_load_addr;
 225                 debug("*  kernel: default image load address = 0x%08lx\n",
 226                       image_load_addr);
 227         } else if (CONFIG_IS_ENABLED(FIT) &&
 228                    fit_parse_conf(img_addr, image_load_addr, &kernel_addr,
 229                                   fit_uname_config)) {
 230                 debug("*  kernel: config '%s' from image at 0x%08lx\n",
 231                       *fit_uname_config, kernel_addr);
 232         } else if (CONFIG_IS_ENABLED(FIT) &&
 233                    fit_parse_subimage(img_addr, image_load_addr, &kernel_addr,
 234                                       fit_uname_kernel)) {
 235                 debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
 236                       *fit_uname_kernel, kernel_addr);
 237         } else {
 238                 kernel_addr = hextoul(img_addr, NULL);
 239                 debug("*  kernel: cmdline image address = 0x%08lx\n",
 240                       kernel_addr);
 241         }
 242
 243         return kernel_addr;
 244 }
 245
 246 /**
 247  * genimg_get_kernel_addr() is the simple version of
 248  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
 249  */
 250 ulong genimg_get_kernel_addr(char * const img_addr)
 251 {
 252         const char *fit_uname_config = NULL;
 253         const char *fit_uname_kernel = NULL;
 254
 255         return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
 256                                           &fit_uname_kernel);
 257 }
 258
 259 /**
 260  * genimg_get_format - get image format type
 261  * @img_addr: image start address
 262  *
 263  * genimg_get_format() checks whether provided address points to a valid
 264  * legacy or FIT image.
 265  *
 266  * New uImage format and FDT blob are based on a libfdt. FDT blob
 267  * may be passed directly or embedded in a FIT image. In both situations
 268  * genimg_get_format() must be able to dectect libfdt header.
 269  *
 270  * returns:
 271  *     image format type or IMAGE_FORMAT_INVALID if no image is present
 272  */
 273 int genimg_get_format(const void *img_addr)
 274 {
 275         if (CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)) {
 276                 const struct legacy_img_hdr *hdr;
 277
 278                 hdr = (const struct legacy_img_hdr *)img_addr;
 279                 if (image_check_magic(hdr))
 280                         return IMAGE_FORMAT_LEGACY;
 281         }
 282         if (CONFIG_IS_ENABLED(FIT) || CONFIG_IS_ENABLED(OF_LIBFDT)) {
 283                 if (!fdt_check_header(img_addr))
 284                         return IMAGE_FORMAT_FIT;
 285         }
 286         if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE) &&
 287             is_android_boot_image_header(img_addr))
 288                 return IMAGE_FORMAT_ANDROID;
 289
 290         return IMAGE_FORMAT_INVALID;
 291 }
 292
 293 /**
 294  * fit_has_config - check if there is a valid FIT configuration
 295  * @images: pointer to the bootm command headers structure
 296  *
 297  * fit_has_config() checks if there is a FIT configuration in use
 298  * (if FTI support is present).
 299  *
 300  * returns:
 301  *     0, no FIT support or no configuration found
 302  *     1, configuration found
 303  */
 304 int genimg_has_config(struct bootm_headers *images)
 305 {
 306         if (CONFIG_IS_ENABLED(FIT) && images->fit_uname_cfg)
 307                 return 1;
 308
 309         return 0;
 310 }
 311
 312 /**
 313  * select_ramdisk() - Select and locate the ramdisk to use
 314  *
 315  * @images: pointer to the bootm images structure
 316  * @select: name of ramdisk to select, or hex address, NULL for any
 317  * @arch: expected ramdisk architecture
 318  * @rd_datap: pointer to a ulong variable, will hold ramdisk pointer
 319  * @rd_lenp: pointer to a ulong variable, will hold ramdisk length
 320  * Return: 0 if OK, -ENOPKG if no ramdisk (but an error should not be reported),
 321  *      other -ve value on other error
 322  */
 323 static int select_ramdisk(struct bootm_headers *images, const char *select, u8 arch,
 324                           ulong *rd_datap, ulong *rd_lenp)
 325 {
 326         const char *fit_uname_config;
 327         const char *fit_uname_ramdisk;
 328         bool done_select = !select;
 329         bool done = false;
 330         int rd_noffset;
 331         ulong rd_addr = 0;
 332         char *buf;
 333
 334         if (CONFIG_IS_ENABLED(FIT)) {
 335                 fit_uname_config = images->fit_uname_cfg;
 336                 fit_uname_ramdisk = NULL;
 337
 338                 if (select) {
 339                         ulong default_addr;
 340                         /*
 341                          * If the init ramdisk comes from the FIT image and
 342                          * the FIT image address is omitted in the command
 343                          * line argument, try to use os FIT image address or
 344                          * default load address.
 345                          */
 346                         if (images->fit_uname_os)
 347                                 default_addr = (ulong)images->fit_hdr_os;
 348                         else
 349                                 default_addr = image_load_addr;
 350
 351                         if (fit_parse_conf(select, default_addr, &rd_addr,
 352                                            &fit_uname_config)) {
 353                                 debug("*  ramdisk: config '%s' from image at 0x%08lx\n",
 354                                       fit_uname_config, rd_addr);
 355                                 done_select = true;
 356                         } else if (fit_parse_subimage(select, default_addr,
 357                                                       &rd_addr,
 358                                                       &fit_uname_ramdisk)) {
 359                                 debug("*  ramdisk: subimage '%s' from image at 0x%08lx\n",
 360                                       fit_uname_ramdisk, rd_addr);
 361                                 done_select = true;
 362                         }
 363                 }
 364         }
 365         if (!done_select) {
 366                 rd_addr = hextoul(select, NULL);
 367                 debug("*  ramdisk: cmdline image address = 0x%08lx\n", rd_addr);
 368         }
 369         if (CONFIG_IS_ENABLED(FIT) && !select) {
 370                 /* use FIT configuration provided in first bootm
 371                  * command argument. If the property is not defined,
 372                  * quit silently (with -ENOPKG)
 373                  */
 374                 rd_addr = map_to_sysmem(images->fit_hdr_os);
 375                 rd_noffset = fit_get_node_from_config(images, FIT_RAMDISK_PROP,
 376                                                       rd_addr);
 377                 if (rd_noffset == -ENOENT)
 378                         return -ENOPKG;
 379                 else if (rd_noffset < 0)
 380                         return rd_noffset;
 381         }
 382
 383         /*
 384          * Check if there is an initrd image at the
 385          * address provided in the second bootm argument
 386          * check image type, for FIT images get FIT node.
 387          */
 388         buf = map_sysmem(rd_addr, 0);
 389         switch (genimg_get_format(buf)) {
 390         case IMAGE_FORMAT_LEGACY:
 391                 if (CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)) {
 392                         const struct legacy_img_hdr *rd_hdr;
 393
 394                         printf("## Loading init Ramdisk from Legacy Image at %08lx ...\n",
 395                                rd_addr);
 396
 397                         bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
 398                         rd_hdr = image_get_ramdisk(rd_addr, arch,
 399                                                    images->verify);
 400
 401                         if (!rd_hdr)
 402                                 return -ENOENT;
 403
 404                         *rd_datap = image_get_data(rd_hdr);
 405                         *rd_lenp = image_get_data_size(rd_hdr);
 406                         done = true;
 407                 }
 408                 break;
 409         case IMAGE_FORMAT_FIT:
 410                 if (CONFIG_IS_ENABLED(FIT)) {
 411                         rd_noffset = fit_image_load(images, rd_addr,
 412                                                     &fit_uname_ramdisk,
 413                                                     &fit_uname_config,
 414                                                     arch, 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                 }
 426                 break;
 427         case IMAGE_FORMAT_ANDROID:
 428                 if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) {
 429                         int ret;
 430                         if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) {
 431                                 void *boot_img = map_sysmem(get_abootimg_addr(), 0);
 432                                 void *vendor_boot_img = map_sysmem(get_avendor_bootimg_addr(), 0);
 433
 434                                 ret = android_image_get_ramdisk(boot_img, vendor_boot_img,
 435                                                                 rd_datap, rd_lenp);
 436                                 unmap_sysmem(vendor_boot_img);
 437                                 unmap_sysmem(boot_img);
 438                         } else {
 439                                 void *ptr = map_sysmem(images->os.start, 0);
 440
 441                                 ret = android_image_get_ramdisk(ptr, NULL, rd_datap, rd_lenp);
 442                                 unmap_sysmem(ptr);
 443                         }
 444
 445                         if (ret)
 446                                 return ret;
 447                         done = true;
 448                 }
 449                 break;
 450         }
 451
 452         if (!done) {
 453                 if (IS_ENABLED(CONFIG_SUPPORT_RAW_INITRD)) {
 454                         char *end = NULL;
 455
 456                         if (select)
 457                                 end = strchr(select, ':');
 458                         if (end) {
 459                                 *rd_lenp = hextoul(++end, NULL);
 460                                 *rd_datap = rd_addr;
 461                                 done = true;
 462                         }
 463                 }
 464
 465                 if (!done) {
 466                         puts("Wrong Ramdisk Image Format\n");
 467                         return -EINVAL;
 468                 }
 469         }
 470
 471         return 0;
 472 }
 473
 474 /**
 475  * boot_get_ramdisk - main ramdisk handling routine
 476  * @argc: command argument count
 477  * @argv: command argument list
 478  * @images: pointer to the bootm images structure
 479  * @arch: expected ramdisk architecture
 480  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
 481  * @rd_end: pointer to a ulong variable, will hold ramdisk end
 482  *
 483  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
 484  * Currently supported are the following ramdisk sources:
 485  *      - multicomponent kernel/ramdisk image,
 486  *      - commandline provided address of decicated ramdisk image.
 487  *
 488  * returns:
 489  *     0, if ramdisk image was found and valid, or skiped
 490  *     rd_start and rd_end are set to ramdisk start/end addresses if
 491  *     ramdisk image is found and valid
 492  *
 493  *     1, if ramdisk image is found but corrupted, or invalid
 494  *     rd_start and rd_end are set to 0 if no ramdisk exists
 495  */
 496 int boot_get_ramdisk(int argc, char *const argv[], struct bootm_headers *images,
 497                      u8 arch, ulong *rd_start, ulong *rd_end)
 498 {
 499         ulong rd_data, rd_len;
 500         const char *select = NULL;
 501
 502         *rd_start = 0;
 503         *rd_end = 0;
 504
 505         if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) {
 506                 char *buf;
 507
 508                 /* Look for an Android boot image */
 509                 buf = map_sysmem(images->os.start, 0);
 510                 if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
 511                         select = (argc == 0) ? env_get("loadaddr") : argv[0];
 512         }
 513
 514         if (argc >= 2)
 515                 select = argv[1];
 516
 517         /*
 518          * Look for a '-' which indicates to ignore the
 519          * ramdisk argument
 520          */
 521         if (select && strcmp(select, "-") ==  0) {
 522                 debug("## Skipping init Ramdisk\n");
 523                 rd_len = 0;
 524                 rd_data = 0;
 525         } else if (select || genimg_has_config(images)) {
 526                 int ret;
 527
 528                 ret = select_ramdisk(images, select, arch, &rd_data, &rd_len);
 529                 if (ret == -ENOPKG)
 530                         return 0;
 531                 else if (ret)
 532                         return ret;
 533         } else if (images->legacy_hdr_valid &&
 534                         image_check_type(&images->legacy_hdr_os_copy,
 535                                          IH_TYPE_MULTI)) {
 536                 /*
 537                  * Now check if we have a legacy mult-component image,
 538                  * get second entry data start address and len.
 539                  */
 540                 bootstage_mark(BOOTSTAGE_ID_RAMDISK);
 541                 printf("## Loading init Ramdisk from multi component Legacy Image at %08lx ...\n",
 542                        (ulong)images->legacy_hdr_os);
 543
 544                 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
 545         } else {
 546                 /*
 547                  * no initrd image
 548                  */
 549                 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
 550                 rd_len = 0;
 551                 rd_data = 0;
 552         }
 553
 554         if (!rd_data) {
 555                 debug("## No init Ramdisk\n");
 556         } else {
 557                 *rd_start = rd_data;
 558                 *rd_end = rd_data + rd_len;
 559         }
 560         debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
 561               *rd_start, *rd_end);
 562
 563         return 0;
 564 }
 565
 566 /**
 567  * boot_ramdisk_high - relocate init ramdisk
 568  * @lmb: pointer to lmb handle, will be used for memory mgmt
 569  * @rd_data: ramdisk data start address
 570  * @rd_len: ramdisk data length
 571  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
 572  *      start address (after possible relocation)
 573  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
 574  *      end address (after possible relocation)
 575  *
 576  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
 577  * variable and if requested ramdisk data is moved to a specified location.
 578  *
 579  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
 580  * start/end addresses if ramdisk image start and len were provided,
 581  * otherwise set initrd_start and initrd_end set to zeros.
 582  *
 583  * returns:
 584  *      0 - success
 585  *     -1 - failure
 586  */
 587 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
 588                       ulong *initrd_start, ulong *initrd_end)
 589 {
 590         char    *s;
 591         ulong   initrd_high;
 592         int     initrd_copy_to_ram = 1;
 593
 594         s = env_get("initrd_high");
 595         if (s) {
 596                 /* a value of "no" or a similar string will act like 0,
 597                  * turning the "load high" feature off. This is intentional.
 598                  */
 599                 initrd_high = hextoul(s, NULL);
 600                 if (initrd_high == ~0)
 601                         initrd_copy_to_ram = 0;
 602         } else {
 603                 initrd_high = env_get_bootm_mapsize() + env_get_bootm_low();
 604         }
 605
 606         debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
 607               initrd_high, initrd_copy_to_ram);
 608
 609         if (rd_data) {
 610                 if (!initrd_copy_to_ram) {      /* zero-copy ramdisk support */
 611                         debug("   in-place initrd\n");
 612                         *initrd_start = rd_data;
 613                         *initrd_end = rd_data + rd_len;
 614                         lmb_reserve(lmb, rd_data, rd_len);
 615                 } else {
 616                         if (initrd_high)
 617                                 *initrd_start = (ulong)lmb_alloc_base(lmb,
 618                                                 rd_len, 0x1000, initrd_high);
 619                         else
 620                                 *initrd_start = (ulong)lmb_alloc(lmb, rd_len,
 621                                                                  0x1000);
 622
 623                         if (*initrd_start == 0) {
 624                                 puts("ramdisk - allocation error\n");
 625                                 goto error;
 626                         }
 627                         bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
 628
 629                         *initrd_end = *initrd_start + rd_len;
 630                         printf("   Loading Ramdisk to %08lx, end %08lx ... ",
 631                                *initrd_start, *initrd_end);
 632
 633                         memmove_wd((void *)*initrd_start,
 634                                    (void *)rd_data, rd_len, CHUNKSZ);
 635
 636                         /*
 637                          * Ensure the image is flushed to memory to handle
 638                          * AMP boot scenarios in which we might not be
 639                          * HW cache coherent
 640                          */
 641                         if (IS_ENABLED(CONFIG_MP)) {
 642                                 flush_cache((unsigned long)*initrd_start,
 643                                             ALIGN(rd_len, ARCH_DMA_MINALIGN));
 644                         }
 645                         puts("OK\n");
 646                 }
 647         } else {
 648                 *initrd_start = 0;
 649                 *initrd_end = 0;
 650         }
 651         debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
 652               *initrd_start, *initrd_end);
 653
 654         return 0;
 655
 656 error:
 657         return -1;
 658 }
 659
 660 int boot_get_setup(struct bootm_headers *images, u8 arch,
 661                    ulong *setup_start, ulong *setup_len)
 662 {
 663         if (!CONFIG_IS_ENABLED(FIT))
 664                 return -ENOENT;
 665
 666         return boot_get_setup_fit(images, arch, setup_start, setup_len);
 667 }
 668
 669 int boot_get_fpga(int argc, char *const argv[], struct bootm_headers *images,
 670                   u8 arch, const ulong *ld_start, ulong * const ld_len)
 671 {
 672         ulong tmp_img_addr, img_data, img_len;
 673         void *buf;
 674         int conf_noffset;
 675         int fit_img_result;
 676         const char *uname, *name;
 677         int err;
 678         int devnum = 0; /* TODO support multi fpga platforms */
 679
 680         if (!IS_ENABLED(CONFIG_FPGA))
 681                 return -ENOSYS;
 682
 683         /* Check to see if the images struct has a FIT configuration */
 684         if (!genimg_has_config(images)) {
 685                 debug("## FIT configuration was not specified\n");
 686                 return 0;
 687         }
 688
 689         /*
 690          * Obtain the os FIT header from the images struct
 691          */
 692         tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
 693         buf = map_sysmem(tmp_img_addr, 0);
 694         /*
 695          * Check image type. For FIT images get FIT node
 696          * and attempt to locate a generic binary.
 697          */
 698         switch (genimg_get_format(buf)) {
 699         case IMAGE_FORMAT_FIT:
 700                 conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
 701
 702                 uname = fdt_stringlist_get(buf, conf_noffset, FIT_FPGA_PROP, 0,
 703                                            NULL);
 704                 if (!uname) {
 705                         debug("## FPGA image is not specified\n");
 706                         return 0;
 707                 }
 708                 fit_img_result = fit_image_load(images,
 709                                                 tmp_img_addr,
 710                                                 (const char **)&uname,
 711                                                 &images->fit_uname_cfg,
 712                                                 arch,
 713                                                 IH_TYPE_FPGA,
 714                                                 BOOTSTAGE_ID_FPGA_INIT,
 715                                                 FIT_LOAD_OPTIONAL_NON_ZERO,
 716                                                 &img_data, &img_len);
 717
 718                 debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
 719                       uname, img_data, img_len);
 720
 721                 if (fit_img_result < 0) {
 722                         /* Something went wrong! */
 723                         return fit_img_result;
 724                 }
 725
 726                 if (!fpga_is_partial_data(devnum, img_len)) {
 727                         name = "full";
 728                         err = fpga_loadbitstream(devnum, (char *)img_data,
 729                                                  img_len, BIT_FULL);
 730                         if (err)
 731                                 err = fpga_load(devnum, (const void *)img_data,
 732                                                 img_len, BIT_FULL, 0);
 733                 } else {
 734                         name = "partial";
 735                         err = fpga_loadbitstream(devnum, (char *)img_data,
 736                                                  img_len, BIT_PARTIAL);
 737                         if (err)
 738                                 err = fpga_load(devnum, (const void *)img_data,
 739                                                 img_len, BIT_PARTIAL, 0);
 740                 }
 741
 742                 if (err)
 743                         return err;
 744
 745                 printf("   Programming %s bitstream... OK\n", name);
 746                 break;
 747         default:
 748                 printf("The given image format is not supported (corrupt?)\n");
 749                 return 1;
 750         }
 751
 752         return 0;
 753 }
 754
 755 static void fit_loadable_process(u8 img_type,
 756                                  ulong img_data,
 757                                  ulong img_len)
 758 {
 759         int i;
 760         const unsigned int count =
 761                         ll_entry_count(struct fit_loadable_tbl, fit_loadable);
 762         struct fit_loadable_tbl *fit_loadable_handler =
 763                         ll_entry_start(struct fit_loadable_tbl, fit_loadable);
 764         /* For each loadable handler */
 765         for (i = 0; i < count; i++, fit_loadable_handler++)
 766                 /* matching this type */
 767                 if (fit_loadable_handler->type == img_type)
 768                         /* call that handler with this image data */
 769                         fit_loadable_handler->handler(img_data, img_len);
 770 }
 771
 772 int boot_get_loadable(int argc, char *const argv[], struct bootm_headers *images,
 773                       u8 arch, const ulong *ld_start, ulong * const ld_len)
 774 {
 775         /*
 776          * These variables are used to hold the current image location
 777          * in system memory.
 778          */
 779         ulong tmp_img_addr;
 780         /*
 781          * These two variables are requirements for fit_image_load, but
 782          * their values are not used
 783          */
 784         ulong img_data, img_len;
 785         void *buf;
 786         int loadables_index;
 787         int conf_noffset;
 788         int fit_img_result;
 789         const char *uname;
 790         u8 img_type;
 791
 792         /* Check to see if the images struct has a FIT configuration */
 793         if (!genimg_has_config(images)) {
 794                 debug("## FIT configuration was not specified\n");
 795                 return 0;
 796         }
 797
 798         /*
 799          * Obtain the os FIT header from the images struct
 800          */
 801         tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
 802         buf = map_sysmem(tmp_img_addr, 0);
 803         /*
 804          * Check image type. For FIT images get FIT node
 805          * and attempt to locate a generic binary.
 806          */
 807         switch (genimg_get_format(buf)) {
 808         case IMAGE_FORMAT_FIT:
 809                 conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
 810
 811                 for (loadables_index = 0;
 812                      uname = fdt_stringlist_get(buf, conf_noffset,
 813                                                 FIT_LOADABLE_PROP,
 814                                                 loadables_index, NULL), uname;
 815                      loadables_index++) {
 816                         fit_img_result = fit_image_load(images, tmp_img_addr,
 817                                                         &uname,
 818                                                         &images->fit_uname_cfg,
 819                                                         arch, IH_TYPE_LOADABLE,
 820                                                         BOOTSTAGE_ID_FIT_LOADABLE_START,
 821                                                         FIT_LOAD_OPTIONAL_NON_ZERO,
 822                                                         &img_data, &img_len);
 823                         if (fit_img_result < 0) {
 824                                 /* Something went wrong! */
 825                                 return fit_img_result;
 826                         }
 827
 828                         fit_img_result = fit_image_get_node(buf, uname);
 829                         if (fit_img_result < 0) {
 830                                 /* Something went wrong! */
 831                                 return fit_img_result;
 832                         }
 833                         fit_img_result = fit_image_get_type(buf,
 834                                                             fit_img_result,
 835                                                             &img_type);
 836                         if (fit_img_result < 0) {
 837                                 /* Something went wrong! */
 838                                 return fit_img_result;
 839                         }
 840
 841                         fit_loadable_process(img_type, img_data, img_len);
 842                 }
 843                 break;
 844         default:
 845                 printf("The given image format is not supported (corrupt?)\n");
 846                 return 1;
 847         }
 848
 849         return 0;
 850 }
 851
 852 /**
 853  * boot_get_cmdline - allocate and initialize kernel cmdline
 854  * @lmb: pointer to lmb handle, will be used for memory mgmt
 855  * @cmd_start: pointer to a ulong variable, will hold cmdline start
 856  * @cmd_end: pointer to a ulong variable, will hold cmdline end
 857  *
 858  * This allocates space for kernel command line below
 859  * BOOTMAPSZ + env_get_bootm_low() address. If "bootargs" U-Boot environment
 860  * variable is present its contents is copied to allocated kernel
 861  * command line.
 862  *
 863  * returns:
 864  *      0 - success
 865  *     -1 - failure
 866  */
 867 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
 868 {
 869         int barg;
 870         char *cmdline;
 871         char *s;
 872
 873         /*
 874          * Help the compiler detect that this function is only called when
 875          * CONFIG_SYS_BOOT_GET_CMDLINE is enabled
 876          */
 877         if (!IS_ENABLED(CONFIG_SYS_BOOT_GET_CMDLINE))
 878                 return 0;
 879
 880         barg = IF_ENABLED_INT(CONFIG_SYS_BOOT_GET_CMDLINE, CONFIG_SYS_BARGSIZE);
 881         cmdline = (char *)(ulong)lmb_alloc_base(lmb, barg, 0xf,
 882                                 env_get_bootm_mapsize() + env_get_bootm_low());
 883         if (!cmdline)
 884                 return -1;
 885
 886         s = env_get("bootargs");
 887         if (!s)
 888                 s = "";
 889
 890         strcpy(cmdline, s);
 891
 892         *cmd_start = (ulong)cmdline;
 893         *cmd_end = *cmd_start + strlen(cmdline);
 894
 895         debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
 896
 897         return 0;
 898 }
 899
 900 /**
 901  * boot_get_kbd - allocate and initialize kernel copy of board info
 902  * @lmb: pointer to lmb handle, will be used for memory mgmt
 903  * @kbd: double pointer to board info data
 904  *
 905  * boot_get_kbd() allocates space for kernel copy of board info data below
 906  * BOOTMAPSZ + env_get_bootm_low() address and kernel board info is initialized
 907  * with the current u-boot board info data.
 908  *
 909  * returns:
 910  *      0 - success
 911  *     -1 - failure
 912  */
 913 int boot_get_kbd(struct lmb *lmb, struct bd_info **kbd)
 914 {
 915         *kbd = (struct bd_info *)(ulong)lmb_alloc_base(lmb,
 916                                                        sizeof(struct bd_info),
 917                                                        0xf,
 918                                                        env_get_bootm_mapsize() +
 919                                                        env_get_bootm_low());
 920         if (!*kbd)
 921                 return -1;
 922
 923         **kbd = *gd->bd;
 924
 925         debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
 926
 927         if (_DEBUG && IS_ENABLED(CONFIG_CMD_BDI))
 928                 do_bdinfo(NULL, 0, 0, NULL);
 929
 930         return 0;
 931 }
 932
 933 int image_setup_linux(struct bootm_headers *images)
 934 {
 935         ulong of_size = images->ft_len;
 936         char **of_flat_tree = &images->ft_addr;
 937         struct lmb *lmb = images_lmb(images);
 938         int ret;
 939
 940         /* This function cannot be called without lmb support */
 941         if (!IS_ENABLED(CONFIG_LMB))
 942                 return -EFAULT;
 943         if (CONFIG_IS_ENABLED(OF_LIBFDT))
 944                 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
 945
 946         if (IS_ENABLED(CONFIG_SYS_BOOT_GET_CMDLINE)) {
 947                 ret = boot_get_cmdline(lmb, &images->cmdline_start,
 948                                        &images->cmdline_end);
 949                 if (ret) {
 950                         puts("ERROR with allocation of cmdline\n");
 951                         return ret;
 952                 }
 953         }
 954
 955         if (CONFIG_IS_ENABLED(OF_LIBFDT)) {
 956                 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
 957                 if (ret)
 958                         return ret;
 959         }
 960
 961         if (CONFIG_IS_ENABLED(OF_LIBFDT) && of_size) {
 962                 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
 963                 if (ret)
 964                         return ret;
 965         }
 966
 967         return 0;
 968 }
 969
 970 void genimg_print_size(uint32_t size)
 971 {
 972         printf("%d Bytes = ", size);
 973         print_size(size, "\n");
 974 }
 975
 976 void genimg_print_time(time_t timestamp)
 977 {
 978         struct rtc_time tm;
 979
 980         rtc_to_tm(timestamp, &tm);
 981         printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
 982                tm.tm_year, tm.tm_mon, tm.tm_mday,
 983                tm.tm_hour, tm.tm_min, tm.tm_sec);
 984 }
 985
 986 /**
 987  * get_default_image() - Return default property from /images
 988  *
 989  * Return: Pointer to value of default property (or NULL)
 990  */
 991 static const char *get_default_image(const void *fit)
 992 {
 993         int images_noffset;
 994
 995         images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
 996         if (images_noffset < 0)
 997                 return NULL;
 998
 999         return fdt_getprop(fit, images_noffset, FIT_DEFAULT_PROP, NULL);
1000 }
1001
1002 int image_locate_script(void *buf, int size, const char *fit_uname,
1003                         const char *confname, char **datap, uint *lenp)
1004 {
1005         const struct legacy_img_hdr *hdr;
1006         const void *fit_data;
1007         const void *fit_hdr;
1008         size_t fit_len;
1009         int noffset;
1010         int verify;
1011         ulong len;
1012         u32 *data;
1013
1014         verify = env_get_yesno("verify");
1015
1016         switch (genimg_get_format(buf)) {
1017         case IMAGE_FORMAT_LEGACY:
1018                 if (!IS_ENABLED(CONFIG_LEGACY_IMAGE_FORMAT)) {
1019                         goto exit_image_format;
1020                 } else {
1021                         hdr = buf;
1022
1023                         if (!image_check_magic(hdr)) {
1024                                 puts("Bad magic number\n");
1025                                 return 1;
1026                         }
1027
1028                         if (!image_check_hcrc(hdr)) {
1029                                 puts("Bad header crc\n");
1030                                 return 1;
1031                         }
1032
1033                         if (verify) {
1034                                 if (!image_check_dcrc(hdr)) {
1035                                         puts("Bad data crc\n");
1036                                         return 1;
1037                                 }
1038                         }
1039
1040                         if (!image_check_type(hdr, IH_TYPE_SCRIPT)) {
1041                                 puts("Bad image type\n");
1042                                 return 1;
1043                         }
1044
1045                         /* get length of script */
1046                         data = (u32 *)image_get_data(hdr);
1047
1048                         len = uimage_to_cpu(*data);
1049                         if (!len) {
1050                                 puts("Empty Script\n");
1051                                 return 1;
1052                         }
1053
1054                         /*
1055                          * scripts are just multi-image files with one
1056                          * component, so seek past the zero-terminated sequence
1057                          * of image lengths to get to the actual image data
1058                          */
1059                         while (*data++);
1060                 }
1061                 break;
1062         case IMAGE_FORMAT_FIT:
1063                 if (!IS_ENABLED(CONFIG_FIT)) {
1064                         goto exit_image_format;
1065                 } else {
1066                         fit_hdr = buf;
1067                         if (fit_check_format(fit_hdr, IMAGE_SIZE_INVAL)) {
1068                                 puts("Bad FIT image format\n");
1069                                 return 1;
1070                         }
1071
1072                         if (!fit_uname) {
1073                                 /* If confname is empty, use the default */
1074                                 if (confname && *confname)
1075                                         noffset = fit_conf_get_node(fit_hdr, confname);
1076                                 else
1077                                         noffset = fit_conf_get_node(fit_hdr, NULL);
1078                                 if (noffset < 0) {
1079                                         if (!confname)
1080                                                 goto fallback;
1081                                         printf("Could not find config %s\n", confname);
1082                                         return 1;
1083                                 }
1084
1085                                 if (verify && fit_config_verify(fit_hdr, noffset))
1086                                         return 1;
1087
1088                                 noffset = fit_conf_get_prop_node(fit_hdr,
1089                                                                  noffset,
1090                                                                  FIT_SCRIPT_PROP,
1091                                                                  IH_PHASE_NONE);
1092                                 if (noffset < 0) {
1093                                         if (!confname)
1094                                                 goto fallback;
1095                                         printf("Could not find script in %s\n", confname);
1096                                         return 1;
1097                                 }
1098                         } else {
1099 fallback:
1100                                 if (!fit_uname || !*fit_uname)
1101                                         fit_uname = get_default_image(fit_hdr);
1102                                 if (!fit_uname) {
1103                                         puts("No FIT subimage unit name\n");
1104                                         return 1;
1105                                 }
1106
1107                                 /* get script component image node offset */
1108                                 noffset = fit_image_get_node(fit_hdr, fit_uname);
1109                                 if (noffset < 0) {
1110                                         printf("Can't find '%s' FIT subimage\n",
1111                                                fit_uname);
1112                                         return 1;
1113                                 }
1114                         }
1115
1116                         if (!fit_image_check_type(fit_hdr, noffset,
1117                                                   IH_TYPE_SCRIPT)) {
1118                                 puts("Not a image image\n");
1119                                 return 1;
1120                         }
1121
1122                         /* verify integrity */
1123                         if (verify && !fit_image_verify(fit_hdr, noffset)) {
1124                                 puts("Bad Data Hash\n");
1125                                 return 1;
1126                         }
1127
1128                         /* get script subimage data address and length */
1129                         if (fit_image_get_data_and_size(fit_hdr, noffset,
1130                                                         &fit_data, &fit_len)) {
1131                                 puts("Could not find script subimage data\n");
1132                                 return 1;
1133                         }
1134
1135                         data = (u32 *)fit_data;
1136                         len = (ulong)fit_len;
1137                 }
1138                 break;
1139         default:
1140                 goto exit_image_format;
1141         }
1142
1143         *datap = (char *)data;
1144         *lenp = len;
1145
1146         return 0;
1147
1148 exit_image_format:
1149         puts("Wrong image format for \"source\" command\n");
1150         return -EPERM;
1151 }