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