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         bool done = false;
 326         ulong rd_addr;
 327         char *buf;
 328
 329 #if CONFIG_IS_ENABLED(FIT)
 330                 const char *fit_uname_config = images->fit_uname_cfg;
 331                 const char *fit_uname_ramdisk = NULL;
 332                 int rd_noffset;
 333
 334                 if (select) {
 335                         ulong default_addr;
 336                         /*
 337                          * If the init ramdisk comes from the FIT image and
 338                          * the FIT image address is omitted in the command
 339                          * line argument, try to use os FIT image address or
 340                          * default load address.
 341                          */
 342                         if (images->fit_uname_os)
 343                                 default_addr = (ulong)images->fit_hdr_os;
 344                         else
 345                                 default_addr = image_load_addr;
 346
 347                         if (fit_parse_conf(select, default_addr,
 348                                            &rd_addr, &fit_uname_config)) {
 349                                 debug("*  ramdisk: config '%s' from image at 0x%08lx\n",
 350                                       fit_uname_config, rd_addr);
 351                         } else if (fit_parse_subimage(select, default_addr,
 352                                                       &rd_addr,
 353                                                       &fit_uname_ramdisk)) {
 354                                 debug("*  ramdisk: subimage '%s' from image at 0x%08lx\n",
 355                                       fit_uname_ramdisk, rd_addr);
 356                         } else
 357 #endif
 358                         {
 359                                 rd_addr = hextoul(select, NULL);
 360                                 debug("*  ramdisk: cmdline image address = 0x%08lx\n",
 361                                       rd_addr);
 362                         }
 363 #if CONFIG_IS_ENABLED(FIT)
 364                 } else {
 365                         /* use FIT configuration provided in first bootm
 366                          * command argument. If the property is not defined,
 367                          * quit silently (with -ENOPKG)
 368                          */
 369                         rd_addr = map_to_sysmem(images->fit_hdr_os);
 370                         rd_noffset = fit_get_node_from_config(images,
 371                                                               FIT_RAMDISK_PROP,
 372                                                               rd_addr);
 373                         if (rd_noffset == -ENOENT)
 374                                 return -ENOPKG;
 375                         else if (rd_noffset < 0)
 376                                 return rd_noffset;
 377                 }
 378 #endif
 379
 380                 /*
 381                  * Check if there is an initrd image at the
 382                  * address provided in the second bootm argument
 383                  * check image type, for FIT images get FIT node.
 384                  */
 385                 buf = map_sysmem(rd_addr, 0);
 386                 switch (genimg_get_format(buf)) {
 387                 case IMAGE_FORMAT_LEGACY:
 388                         if (CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)) {
 389                                 const image_header_t *rd_hdr;
 390
 391                                 printf("## Loading init Ramdisk from Legacy Image at %08lx ...\n",
 392                                        rd_addr);
 393
 394                                 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
 395                                 rd_hdr = image_get_ramdisk(rd_addr, arch,
 396                                                            images->verify);
 397
 398                                 if (!rd_hdr)
 399                                         return -ENOENT;
 400
 401                                 *rd_datap = image_get_data(rd_hdr);
 402                                 *rd_lenp = image_get_data_size(rd_hdr);
 403                                 done = true;
 404                         }
 405                         break;
 406 #if CONFIG_IS_ENABLED(FIT)
 407                 case IMAGE_FORMAT_FIT:
 408                         rd_noffset = fit_image_load(images,
 409                                                     rd_addr, &fit_uname_ramdisk,
 410                                                     &fit_uname_config, arch,
 411                                                     IH_TYPE_RAMDISK,
 412                                                     BOOTSTAGE_ID_FIT_RD_START,
 413                                                     FIT_LOAD_OPTIONAL_NON_ZERO,
 414                                                     rd_datap, rd_lenp);
 415                         if (rd_noffset < 0)
 416                                 return rd_noffset;
 417
 418                         images->fit_hdr_rd = map_sysmem(rd_addr, 0);
 419                         images->fit_uname_rd = fit_uname_ramdisk;
 420                         images->fit_noffset_rd = rd_noffset;
 421                         done = true;
 422                         break;
 423 #endif
 424                 case IMAGE_FORMAT_ANDROID:
 425                         if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) {
 426                                 void *ptr = map_sysmem(images->os.start, 0);
 427                                 int ret;
 428
 429                                 ret = android_image_get_ramdisk(ptr, rd_datap,
 430                                                                 rd_lenp);
 431                                 unmap_sysmem(ptr);
 432                                 if (ret)
 433                                         return ret;
 434                                 done = true;
 435                         }
 436                         break;
 437                 }
 438
 439         if (!done) {
 440                 if (IS_ENABLED(CONFIG_SUPPORT_RAW_INITRD)) {
 441                         char *end = NULL;
 442
 443                         if (select)
 444                                 end = strchr(select, ':');
 445                         if (end) {
 446                                 *rd_lenp = hextoul(++end, NULL);
 447                                 *rd_datap = rd_addr;
 448                                 done = true;
 449                         }
 450                 }
 451
 452                 if (!done) {
 453                         puts("Wrong Ramdisk Image Format\n");
 454                         return -EINVAL;
 455                 }
 456         }
 457
 458         return 0;
 459 }
 460
 461 /**
 462  * boot_get_ramdisk - main ramdisk handling routine
 463  * @argc: command argument count
 464  * @argv: command argument list
 465  * @images: pointer to the bootm images structure
 466  * @arch: expected ramdisk architecture
 467  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
 468  * @rd_end: pointer to a ulong variable, will hold ramdisk end
 469  *
 470  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
 471  * Currently supported are the following ramdisk sources:
 472  *      - multicomponent kernel/ramdisk image,
 473  *      - commandline provided address of decicated ramdisk image.
 474  *
 475  * returns:
 476  *     0, if ramdisk image was found and valid, or skiped
 477  *     rd_start and rd_end are set to ramdisk start/end addresses if
 478  *     ramdisk image is found and valid
 479  *
 480  *     1, if ramdisk image is found but corrupted, or invalid
 481  *     rd_start and rd_end are set to 0 if no ramdisk exists
 482  */
 483 int boot_get_ramdisk(int argc, char *const argv[], bootm_headers_t *images,
 484                      u8 arch, ulong *rd_start, ulong *rd_end)
 485 {
 486         ulong rd_data, rd_len;
 487         const char *select = NULL;
 488
 489         *rd_start = 0;
 490         *rd_end = 0;
 491
 492         if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) {
 493                 char *buf;
 494
 495                 /* Look for an Android boot image */
 496                 buf = map_sysmem(images->os.start, 0);
 497                 if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
 498                         select = (argc == 0) ? env_get("loadaddr") : argv[0];
 499         }
 500
 501         if (argc >= 2)
 502                 select = argv[1];
 503
 504         /*
 505          * Look for a '-' which indicates to ignore the
 506          * ramdisk argument
 507          */
 508         if (select && strcmp(select, "-") ==  0) {
 509                 debug("## Skipping init Ramdisk\n");
 510                 rd_len = 0;
 511                 rd_data = 0;
 512         } else if (select || genimg_has_config(images)) {
 513                 int ret;
 514
 515                 ret = select_ramdisk(images, select, arch, &rd_data, &rd_len);
 516                 if (ret == -ENOPKG)
 517                         return 0;
 518                 else if (ret)
 519                         return ret;
 520         } else if (images->legacy_hdr_valid &&
 521                         image_check_type(&images->legacy_hdr_os_copy,
 522                                          IH_TYPE_MULTI)) {
 523                 /*
 524                  * Now check if we have a legacy mult-component image,
 525                  * get second entry data start address and len.
 526                  */
 527                 bootstage_mark(BOOTSTAGE_ID_RAMDISK);
 528                 printf("## Loading init Ramdisk from multi component Legacy Image at %08lx ...\n",
 529                        (ulong)images->legacy_hdr_os);
 530
 531                 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
 532         } else {
 533                 /*
 534                  * no initrd image
 535                  */
 536                 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
 537                 rd_len = 0;
 538                 rd_data = 0;
 539         }
 540
 541         if (!rd_data) {
 542                 debug("## No init Ramdisk\n");
 543         } else {
 544                 *rd_start = rd_data;
 545                 *rd_end = rd_data + rd_len;
 546         }
 547         debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
 548               *rd_start, *rd_end);
 549
 550         return 0;
 551 }
 552
 553 #if defined(CONFIG_LMB)
 554 /**
 555  * boot_ramdisk_high - relocate init ramdisk
 556  * @lmb: pointer to lmb handle, will be used for memory mgmt
 557  * @rd_data: ramdisk data start address
 558  * @rd_len: ramdisk data length
 559  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
 560  *      start address (after possible relocation)
 561  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
 562  *      end address (after possible relocation)
 563  *
 564  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
 565  * variable and if requested ramdisk data is moved to a specified location.
 566  *
 567  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
 568  * start/end addresses if ramdisk image start and len were provided,
 569  * otherwise set initrd_start and initrd_end set to zeros.
 570  *
 571  * returns:
 572  *      0 - success
 573  *     -1 - failure
 574  */
 575 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
 576                       ulong *initrd_start, ulong *initrd_end)
 577 {
 578         char    *s;
 579         ulong   initrd_high;
 580         int     initrd_copy_to_ram = 1;
 581
 582         s = env_get("initrd_high");
 583         if (s) {
 584                 /* a value of "no" or a similar string will act like 0,
 585                  * turning the "load high" feature off. This is intentional.
 586                  */
 587                 initrd_high = hextoul(s, NULL);
 588                 if (initrd_high == ~0)
 589                         initrd_copy_to_ram = 0;
 590         } else {
 591                 initrd_high = env_get_bootm_mapsize() + env_get_bootm_low();
 592         }
 593
 594         debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
 595               initrd_high, initrd_copy_to_ram);
 596
 597         if (rd_data) {
 598                 if (!initrd_copy_to_ram) {      /* zero-copy ramdisk support */
 599                         debug("   in-place initrd\n");
 600                         *initrd_start = rd_data;
 601                         *initrd_end = rd_data + rd_len;
 602                         lmb_reserve(lmb, rd_data, rd_len);
 603                 } else {
 604                         if (initrd_high)
 605                                 *initrd_start = (ulong)lmb_alloc_base(lmb,
 606                                                 rd_len, 0x1000, initrd_high);
 607                         else
 608                                 *initrd_start = (ulong)lmb_alloc(lmb, rd_len,
 609                                                                  0x1000);
 610
 611                         if (*initrd_start == 0) {
 612                                 puts("ramdisk - allocation error\n");
 613                                 goto error;
 614                         }
 615                         bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
 616
 617                         *initrd_end = *initrd_start + rd_len;
 618                         printf("   Loading Ramdisk to %08lx, end %08lx ... ",
 619                                *initrd_start, *initrd_end);
 620
 621                         memmove_wd((void *)*initrd_start,
 622                                    (void *)rd_data, rd_len, CHUNKSZ);
 623
 624                         /*
 625                          * Ensure the image is flushed to memory to handle
 626                          * AMP boot scenarios in which we might not be
 627                          * HW cache coherent
 628                          */
 629                         if (IS_ENABLED(CONFIG_MP)) {
 630                                 flush_cache((unsigned long)*initrd_start,
 631                                             ALIGN(rd_len, ARCH_DMA_MINALIGN));
 632                         }
 633                         puts("OK\n");
 634                 }
 635         } else {
 636                 *initrd_start = 0;
 637                 *initrd_end = 0;
 638         }
 639         debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
 640               *initrd_start, *initrd_end);
 641
 642         return 0;
 643
 644 error:
 645         return -1;
 646 }
 647 #endif
 648
 649 int boot_get_setup(bootm_headers_t *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[], bootm_headers_t *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[], bootm_headers_t *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 #if defined(CONFIG_LMB)
 842 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
 843 /**
 844  * boot_get_cmdline - allocate and initialize kernel cmdline
 845  * @lmb: pointer to lmb handle, will be used for memory mgmt
 846  * @cmd_start: pointer to a ulong variable, will hold cmdline start
 847  * @cmd_end: pointer to a ulong variable, will hold cmdline end
 848  *
 849  * boot_get_cmdline() allocates space for kernel command line below
 850  * BOOTMAPSZ + env_get_bootm_low() address. If "bootargs" U-Boot environment
 851  * variable is present its contents is copied to allocated kernel
 852  * command line.
 853  *
 854  * returns:
 855  *      0 - success
 856  *     -1 - failure
 857  */
 858 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
 859 {
 860         char *cmdline;
 861         char *s;
 862
 863         cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
 864                                 env_get_bootm_mapsize() + env_get_bootm_low());
 865         if (!cmdline)
 866                 return -1;
 867
 868         s = env_get("bootargs");
 869         if (!s)
 870                 s = "";
 871
 872         strcpy(cmdline, s);
 873
 874         *cmd_start = (ulong)cmdline;
 875         *cmd_end = *cmd_start + strlen(cmdline);
 876
 877         debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
 878
 879         return 0;
 880 }
 881
 882 /**
 883  * boot_get_kbd - allocate and initialize kernel copy of board info
 884  * @lmb: pointer to lmb handle, will be used for memory mgmt
 885  * @kbd: double pointer to board info data
 886  *
 887  * boot_get_kbd() allocates space for kernel copy of board info data below
 888  * BOOTMAPSZ + env_get_bootm_low() address and kernel board info is initialized
 889  * with the current u-boot board info data.
 890  *
 891  * returns:
 892  *      0 - success
 893  *     -1 - failure
 894  */
 895 int boot_get_kbd(struct lmb *lmb, struct bd_info **kbd)
 896 {
 897         *kbd = (struct bd_info *)(ulong)lmb_alloc_base(lmb,
 898                                                        sizeof(struct bd_info),
 899                                                        0xf,
 900                                                        env_get_bootm_mapsize() +
 901                                                        env_get_bootm_low());
 902         if (!*kbd)
 903                 return -1;
 904
 905         **kbd = *gd->bd;
 906
 907         debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
 908
 909 #if defined(DEBUG)
 910         if (IS_ENABLED(CONFIG_CMD_BDI))
 911                 do_bdinfo(NULL, 0, 0, NULL);
 912 #endif
 913
 914         return 0;
 915 }
 916 #endif
 917
 918 int image_setup_linux(bootm_headers_t *images)
 919 {
 920         ulong of_size = images->ft_len;
 921         char **of_flat_tree = &images->ft_addr;
 922         struct lmb *lmb = &images->lmb;
 923         int ret;
 924
 925         if (CONFIG_IS_ENABLED(OF_LIBFDT))
 926                 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
 927
 928         if (IS_ENABLED(CONFIG_SYS_BOOT_GET_CMDLINE)) {
 929                 ret = boot_get_cmdline(lmb, &images->cmdline_start,
 930                                        &images->cmdline_end);
 931                 if (ret) {
 932                         puts("ERROR with allocation of cmdline\n");
 933                         return ret;
 934                 }
 935         }
 936
 937         if (CONFIG_IS_ENABLED(OF_LIBFDT)) {
 938                 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
 939                 if (ret)
 940                         return ret;
 941         }
 942
 943         if (CONFIG_IS_ENABLED(OF_LIBFDT) && of_size) {
 944                 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
 945                 if (ret)
 946                         return ret;
 947         }
 948
 949         return 0;
 950 }
 951 #endif
 952
 953 void genimg_print_size(uint32_t size)
 954 {
 955         printf("%d Bytes = ", size);
 956         print_size(size, "\n");
 957 }
 958
 959 void genimg_print_time(time_t timestamp)
 960 {
 961         struct rtc_time tm;
 962
 963         rtc_to_tm(timestamp, &tm);
 964         printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
 965                tm.tm_year, tm.tm_mon, tm.tm_mday,
 966                tm.tm_hour, tm.tm_min, tm.tm_sec);
 967 }