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