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(CONFIG_SYS_SDRAM_BASE)
 120         return CONFIG_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(CONFIG_SYS_BOOTMAPSZ)
 165         return CONFIG_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             !android_image_check_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;
 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                         void *ptr = map_sysmem(images->os.start, 0);
 430                         int ret;
 431
 432                         ret = android_image_get_ramdisk(ptr, rd_datap, 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[], struct bootm_headers *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 /**
 556  * boot_ramdisk_high - relocate init ramdisk
 557  * @lmb: pointer to lmb handle, will be used for memory mgmt
 558  * @rd_data: ramdisk data start address
 559  * @rd_len: ramdisk data length
 560  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
 561  *      start address (after possible relocation)
 562  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
 563  *      end address (after possible relocation)
 564  *
 565  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
 566  * variable and if requested ramdisk data is moved to a specified location.
 567  *
 568  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
 569  * start/end addresses if ramdisk image start and len were provided,
 570  * otherwise set initrd_start and initrd_end set to zeros.
 571  *
 572  * returns:
 573  *      0 - success
 574  *     -1 - failure
 575  */
 576 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
 577                       ulong *initrd_start, ulong *initrd_end)
 578 {
 579         char    *s;
 580         ulong   initrd_high;
 581         int     initrd_copy_to_ram = 1;
 582
 583         s = env_get("initrd_high");
 584         if (s) {
 585                 /* a value of "no" or a similar string will act like 0,
 586                  * turning the "load high" feature off. This is intentional.
 587                  */
 588                 initrd_high = hextoul(s, NULL);
 589                 if (initrd_high == ~0)
 590                         initrd_copy_to_ram = 0;
 591         } else {
 592                 initrd_high = env_get_bootm_mapsize() + env_get_bootm_low();
 593         }
 594
 595         debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
 596               initrd_high, initrd_copy_to_ram);
 597
 598         if (rd_data) {
 599                 if (!initrd_copy_to_ram) {      /* zero-copy ramdisk support */
 600                         debug("   in-place initrd\n");
 601                         *initrd_start = rd_data;
 602                         *initrd_end = rd_data + rd_len;
 603                         lmb_reserve(lmb, rd_data, rd_len);
 604                 } else {
 605                         if (initrd_high)
 606                                 *initrd_start = (ulong)lmb_alloc_base(lmb,
 607                                                 rd_len, 0x1000, initrd_high);
 608                         else
 609                                 *initrd_start = (ulong)lmb_alloc(lmb, rd_len,
 610                                                                  0x1000);
 611
 612                         if (*initrd_start == 0) {
 613                                 puts("ramdisk - allocation error\n");
 614                                 goto error;
 615                         }
 616                         bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
 617
 618                         *initrd_end = *initrd_start + rd_len;
 619                         printf("   Loading Ramdisk to %08lx, end %08lx ... ",
 620                                *initrd_start, *initrd_end);
 621
 622                         memmove_wd((void *)*initrd_start,
 623                                    (void *)rd_data, rd_len, CHUNKSZ);
 624
 625                         /*
 626                          * Ensure the image is flushed to memory to handle
 627                          * AMP boot scenarios in which we might not be
 628                          * HW cache coherent
 629                          */
 630                         if (IS_ENABLED(CONFIG_MP)) {
 631                                 flush_cache((unsigned long)*initrd_start,
 632                                             ALIGN(rd_len, ARCH_DMA_MINALIGN));
 633                         }
 634                         puts("OK\n");
 635                 }
 636         } else {
 637                 *initrd_start = 0;
 638                 *initrd_end = 0;
 639         }
 640         debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
 641               *initrd_start, *initrd_end);
 642
 643         return 0;
 644
 645 error:
 646         return -1;
 647 }
 648
 649 int boot_get_setup(struct bootm_headers *images, u8 arch,
 650                    ulong *setup_start, ulong *setup_len)
 651 {
 652         if (!CONFIG_IS_ENABLED(FIT))
 653                 return -ENOENT;
 654
 655         return boot_get_setup_fit(images, arch, setup_start, setup_len);
 656 }
 657
 658 int boot_get_fpga(int argc, char *const argv[], struct bootm_headers *images,
 659                   u8 arch, const ulong *ld_start, ulong * const ld_len)
 660 {
 661         ulong tmp_img_addr, img_data, img_len;
 662         void *buf;
 663         int conf_noffset;
 664         int fit_img_result;
 665         const char *uname, *name;
 666         int err;
 667         int devnum = 0; /* TODO support multi fpga platforms */
 668
 669         if (!IS_ENABLED(CONFIG_FPGA))
 670                 return -ENOSYS;
 671
 672         /* Check to see if the images struct has a FIT configuration */
 673         if (!genimg_has_config(images)) {
 674                 debug("## FIT configuration was not specified\n");
 675                 return 0;
 676         }
 677
 678         /*
 679          * Obtain the os FIT header from the images struct
 680          */
 681         tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
 682         buf = map_sysmem(tmp_img_addr, 0);
 683         /*
 684          * Check image type. For FIT images get FIT node
 685          * and attempt to locate a generic binary.
 686          */
 687         switch (genimg_get_format(buf)) {
 688         case IMAGE_FORMAT_FIT:
 689                 conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
 690
 691                 uname = fdt_stringlist_get(buf, conf_noffset, FIT_FPGA_PROP, 0,
 692                                            NULL);
 693                 if (!uname) {
 694                         debug("## FPGA image is not specified\n");
 695                         return 0;
 696                 }
 697                 fit_img_result = fit_image_load(images,
 698                                                 tmp_img_addr,
 699                                                 (const char **)&uname,
 700                                                 &images->fit_uname_cfg,
 701                                                 arch,
 702                                                 IH_TYPE_FPGA,
 703                                                 BOOTSTAGE_ID_FPGA_INIT,
 704                                                 FIT_LOAD_OPTIONAL_NON_ZERO,
 705                                                 &img_data, &img_len);
 706
 707                 debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
 708                       uname, img_data, img_len);
 709
 710                 if (fit_img_result < 0) {
 711                         /* Something went wrong! */
 712                         return fit_img_result;
 713                 }
 714
 715                 if (!fpga_is_partial_data(devnum, img_len)) {
 716                         name = "full";
 717                         err = fpga_loadbitstream(devnum, (char *)img_data,
 718                                                  img_len, BIT_FULL);
 719                         if (err)
 720                                 err = fpga_load(devnum, (const void *)img_data,
 721                                                 img_len, BIT_FULL, 0);
 722                 } else {
 723                         name = "partial";
 724                         err = fpga_loadbitstream(devnum, (char *)img_data,
 725                                                  img_len, BIT_PARTIAL);
 726                         if (err)
 727                                 err = fpga_load(devnum, (const void *)img_data,
 728                                                 img_len, BIT_PARTIAL, 0);
 729                 }
 730
 731                 if (err)
 732                         return err;
 733
 734                 printf("   Programming %s bitstream... OK\n", name);
 735                 break;
 736         default:
 737                 printf("The given image format is not supported (corrupt?)\n");
 738                 return 1;
 739         }
 740
 741         return 0;
 742 }
 743
 744 static void fit_loadable_process(u8 img_type,
 745                                  ulong img_data,
 746                                  ulong img_len)
 747 {
 748         int i;
 749         const unsigned int count =
 750                         ll_entry_count(struct fit_loadable_tbl, fit_loadable);
 751         struct fit_loadable_tbl *fit_loadable_handler =
 752                         ll_entry_start(struct fit_loadable_tbl, fit_loadable);
 753         /* For each loadable handler */
 754         for (i = 0; i < count; i++, fit_loadable_handler++)
 755                 /* matching this type */
 756                 if (fit_loadable_handler->type == img_type)
 757                         /* call that handler with this image data */
 758                         fit_loadable_handler->handler(img_data, img_len);
 759 }
 760
 761 int boot_get_loadable(int argc, char *const argv[], struct bootm_headers *images,
 762                       u8 arch, const ulong *ld_start, ulong * const ld_len)
 763 {
 764         /*
 765          * These variables are used to hold the current image location
 766          * in system memory.
 767          */
 768         ulong tmp_img_addr;
 769         /*
 770          * These two variables are requirements for fit_image_load, but
 771          * their values are not used
 772          */
 773         ulong img_data, img_len;
 774         void *buf;
 775         int loadables_index;
 776         int conf_noffset;
 777         int fit_img_result;
 778         const char *uname;
 779         u8 img_type;
 780
 781         /* Check to see if the images struct has a FIT configuration */
 782         if (!genimg_has_config(images)) {
 783                 debug("## FIT configuration was not specified\n");
 784                 return 0;
 785         }
 786
 787         /*
 788          * Obtain the os FIT header from the images struct
 789          */
 790         tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
 791         buf = map_sysmem(tmp_img_addr, 0);
 792         /*
 793          * Check image type. For FIT images get FIT node
 794          * and attempt to locate a generic binary.
 795          */
 796         switch (genimg_get_format(buf)) {
 797         case IMAGE_FORMAT_FIT:
 798                 conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
 799
 800                 for (loadables_index = 0;
 801                      uname = fdt_stringlist_get(buf, conf_noffset,
 802                                                 FIT_LOADABLE_PROP,
 803                                                 loadables_index, NULL), uname;
 804                      loadables_index++) {
 805                         fit_img_result = fit_image_load(images, tmp_img_addr,
 806                                                         &uname,
 807                                                         &images->fit_uname_cfg,
 808                                                         arch, IH_TYPE_LOADABLE,
 809                                                         BOOTSTAGE_ID_FIT_LOADABLE_START,
 810                                                         FIT_LOAD_OPTIONAL_NON_ZERO,
 811                                                         &img_data, &img_len);
 812                         if (fit_img_result < 0) {
 813                                 /* Something went wrong! */
 814                                 return fit_img_result;
 815                         }
 816
 817                         fit_img_result = fit_image_get_node(buf, uname);
 818                         if (fit_img_result < 0) {
 819                                 /* Something went wrong! */
 820                                 return fit_img_result;
 821                         }
 822                         fit_img_result = fit_image_get_type(buf,
 823                                                             fit_img_result,
 824                                                             &img_type);
 825                         if (fit_img_result < 0) {
 826                                 /* Something went wrong! */
 827                                 return fit_img_result;
 828                         }
 829
 830                         fit_loadable_process(img_type, img_data, img_len);
 831                 }
 832                 break;
 833         default:
 834                 printf("The given image format is not supported (corrupt?)\n");
 835                 return 1;
 836         }
 837
 838         return 0;
 839 }
 840
 841 /**
 842  * boot_get_cmdline - allocate and initialize kernel cmdline
 843  * @lmb: pointer to lmb handle, will be used for memory mgmt
 844  * @cmd_start: pointer to a ulong variable, will hold cmdline start
 845  * @cmd_end: pointer to a ulong variable, will hold cmdline end
 846  *
 847  * This allocates space for kernel command line below
 848  * BOOTMAPSZ + env_get_bootm_low() address. If "bootargs" U-Boot environment
 849  * variable is present its contents is copied to allocated kernel
 850  * command line.
 851  *
 852  * returns:
 853  *      0 - success
 854  *     -1 - failure
 855  */
 856 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
 857 {
 858         int barg;
 859         char *cmdline;
 860         char *s;
 861
 862         /*
 863          * Help the compiler detect that this function is only called when
 864          * CONFIG_SYS_BOOT_GET_CMDLINE is enabled
 865          */
 866         if (!IS_ENABLED(CONFIG_SYS_BOOT_GET_CMDLINE))
 867                 return 0;
 868
 869         barg = IF_ENABLED_INT(CONFIG_SYS_BOOT_GET_CMDLINE, CONFIG_SYS_BARGSIZE);
 870         cmdline = (char *)(ulong)lmb_alloc_base(lmb, barg, 0xf,
 871                                 env_get_bootm_mapsize() + env_get_bootm_low());
 872         if (!cmdline)
 873                 return -1;
 874
 875         s = env_get("bootargs");
 876         if (!s)
 877                 s = "";
 878
 879         strcpy(cmdline, s);
 880
 881         *cmd_start = (ulong)cmdline;
 882         *cmd_end = *cmd_start + strlen(cmdline);
 883
 884         debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
 885
 886         return 0;
 887 }
 888
 889 /**
 890  * boot_get_kbd - allocate and initialize kernel copy of board info
 891  * @lmb: pointer to lmb handle, will be used for memory mgmt
 892  * @kbd: double pointer to board info data
 893  *
 894  * boot_get_kbd() allocates space for kernel copy of board info data below
 895  * BOOTMAPSZ + env_get_bootm_low() address and kernel board info is initialized
 896  * with the current u-boot board info data.
 897  *
 898  * returns:
 899  *      0 - success
 900  *     -1 - failure
 901  */
 902 int boot_get_kbd(struct lmb *lmb, struct bd_info **kbd)
 903 {
 904         *kbd = (struct bd_info *)(ulong)lmb_alloc_base(lmb,
 905                                                        sizeof(struct bd_info),
 906                                                        0xf,
 907                                                        env_get_bootm_mapsize() +
 908                                                        env_get_bootm_low());
 909         if (!*kbd)
 910                 return -1;
 911
 912         **kbd = *gd->bd;
 913
 914         debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
 915
 916         if (_DEBUG && IS_ENABLED(CONFIG_CMD_BDI))
 917                 do_bdinfo(NULL, 0, 0, NULL);
 918
 919         return 0;
 920 }
 921
 922 int image_setup_linux(struct bootm_headers *images)
 923 {
 924         ulong of_size = images->ft_len;
 925         char **of_flat_tree = &images->ft_addr;
 926         struct lmb *lmb = images_lmb(images);
 927         int ret;
 928
 929         /* This function cannot be called without lmb support */
 930         if (!CONFIG_IS_ENABLED(LMB))
 931                 return -EFAULT;
 932         if (CONFIG_IS_ENABLED(OF_LIBFDT))
 933                 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
 934
 935         if (IS_ENABLED(CONFIG_SYS_BOOT_GET_CMDLINE)) {
 936                 ret = boot_get_cmdline(lmb, &images->cmdline_start,
 937                                        &images->cmdline_end);
 938                 if (ret) {
 939                         puts("ERROR with allocation of cmdline\n");
 940                         return ret;
 941                 }
 942         }
 943
 944         if (CONFIG_IS_ENABLED(OF_LIBFDT)) {
 945                 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
 946                 if (ret)
 947                         return ret;
 948         }
 949
 950         if (CONFIG_IS_ENABLED(OF_LIBFDT) && of_size) {
 951                 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
 952                 if (ret)
 953                         return ret;
 954         }
 955
 956         return 0;
 957 }
 958
 959 void genimg_print_size(uint32_t size)
 960 {
 961         printf("%d Bytes = ", size);
 962         print_size(size, "\n");
 963 }
 964
 965 void genimg_print_time(time_t timestamp)
 966 {
 967         struct rtc_time tm;
 968
 969         rtc_to_tm(timestamp, &tm);
 970         printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
 971                tm.tm_year, tm.tm_mon, tm.tm_mday,
 972                tm.tm_hour, tm.tm_min, tm.tm_sec);
 973 }