common/spl/spl.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2010
   4  * Texas Instruments, <www.ti.com>
   5  *
   6  * Aneesh V <[email protected]>
   7  */
   8
   9 #include <config.h>
  10 #include <bloblist.h>
  11 #include <binman_sym.h>
  12 #include <bootstage.h>
  13 #include <dm.h>
  14 #include <handoff.h>
  15 #include <hang.h>
  16 #include <init.h>
  17 #include <irq_func.h>
  18 #include <log.h>
  19 #include <mapmem.h>
  20 #include <serial.h>
  21 #include <spl.h>
  22 #include <spl_load.h>
  23 #include <system-constants.h>
  24 #include <asm/global_data.h>
  25 #include <asm-generic/gpio.h>
  26 #include <nand.h>
  27 #include <fat.h>
  28 #include <u-boot/crc.h>
  29 #if CONFIG_IS_ENABLED(BANNER_PRINT)
  30 #include <timestamp.h>
  31 #endif
  32 #include <version.h>
  33 #include <image.h>
  34 #include <malloc.h>
  35 #include <mapmem.h>
  36 #include <dm/root.h>
  37 #include <dm/util.h>
  38 #include <dm/device-internal.h>
  39 #include <dm/uclass-internal.h>
  40 #include <linux/compiler.h>
  41 #include <fdt_support.h>
  42 #include <bootcount.h>
  43 #include <wdt.h>
  44 #include <video.h>
  45
  46 DECLARE_GLOBAL_DATA_PTR;
  47 DECLARE_BINMAN_MAGIC_SYM;
  48
  49 u32 *boot_params_ptr = NULL;
  50
  51 #if CONFIG_IS_ENABLED(BINMAN_UBOOT_SYMBOLS)
  52 /* See spl.h for information about this */
  53 binman_sym_declare(ulong, u_boot_any, image_pos);
  54 binman_sym_declare(ulong, u_boot_any, size);
  55
  56 #ifdef CONFIG_TPL
  57 binman_sym_declare(ulong, u_boot_spl_any, image_pos);
  58 binman_sym_declare(ulong, u_boot_spl_any, size);
  59 #endif
  60
  61 #ifdef CONFIG_VPL
  62 binman_sym_declare(ulong, u_boot_vpl_any, image_pos);
  63 binman_sym_declare(ulong, u_boot_vpl_any, size);
  64 #endif
  65
  66 #endif /* BINMAN_UBOOT_SYMBOLS */
  67
  68 /* Define board data structure */
  69 static struct bd_info bdata __attribute__ ((section(".data")));
  70
  71 #if CONFIG_IS_ENABLED(SHOW_BOOT_PROGRESS)
  72 /*
  73  * Board-specific Platform code can reimplement show_boot_progress () if needed
  74  */
  75 __weak void show_boot_progress(int val) {}
  76 #endif
  77
  78 #if defined(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF) || \
  79         defined(CONFIG_SPL_ATF)
  80 /* weak, default platform-specific function to initialize dram banks */
  81 __weak int dram_init_banksize(void)
  82 {
  83         return 0;
  84 }
  85 #endif
  86
  87 /*
  88  * Default function to determine if u-boot or the OS should
  89  * be started. This implementation always returns 1.
  90  *
  91  * Please implement your own board specific funcion to do this.
  92  *
  93  * RETURN
  94  * 0 to not start u-boot
  95  * positive if u-boot should start
  96  */
  97 #if CONFIG_IS_ENABLED(OS_BOOT)
  98 __weak int spl_start_uboot(void)
  99 {
 100         puts(SPL_TPL_PROMPT
 101              "Please implement spl_start_uboot() for your board\n");
 102         puts(SPL_TPL_PROMPT "Direct Linux boot not active!\n");
 103         return 1;
 104 }
 105
 106 /*
 107  * Weak default function for arch specific zImage check. Return zero
 108  * and fill start and end address if image is recognized.
 109  */
 110 int __weak bootz_setup(ulong image, ulong *start, ulong *end)
 111 {
 112          return 1;
 113 }
 114
 115 int __weak booti_setup(ulong image, ulong *relocated_addr, ulong *size, bool force_reloc)
 116 {
 117          return 1;
 118 }
 119 #endif
 120
 121 /* Weak default function for arch/board-specific fixups to the spl_image_info */
 122 void __weak spl_perform_fixups(struct spl_image_info *spl_image)
 123 {
 124 }
 125
 126 void spl_fixup_fdt(void *fdt_blob)
 127 {
 128 #if defined(CONFIG_SPL_OF_LIBFDT)
 129         int err;
 130
 131         if (!fdt_blob)
 132                 return;
 133
 134         err = fdt_check_header(fdt_blob);
 135         if (err < 0) {
 136                 printf("fdt_root: %s\n", fdt_strerror(err));
 137                 return;
 138         }
 139
 140         /* fixup the memory dt node */
 141         err = fdt_shrink_to_minimum(fdt_blob, 0);
 142         if (err == 0) {
 143                 printf(SPL_TPL_PROMPT "fdt_shrink_to_minimum err - %d\n", err);
 144                 return;
 145         }
 146
 147         err = arch_fixup_fdt(fdt_blob);
 148         if (err) {
 149                 printf(SPL_TPL_PROMPT "arch_fixup_fdt err - %d\n", err);
 150                 return;
 151         }
 152 #endif
 153 }
 154
 155 int spl_reserve_video_from_ram_top(void)
 156 {
 157         if (CONFIG_IS_ENABLED(VIDEO)) {
 158                 ulong addr;
 159                 int ret;
 160
 161                 addr = gd->ram_top;
 162                 ret = video_reserve(&addr);
 163                 if (ret)
 164                         return ret;
 165                 debug("Reserving %luk for video at: %08lx\n",
 166                       ((unsigned long)gd->relocaddr - addr) >> 10, addr);
 167                 gd->relocaddr = addr;
 168         }
 169
 170         return 0;
 171 }
 172
 173 ulong spl_get_image_pos(void)
 174 {
 175         if (!CONFIG_IS_ENABLED(BINMAN_UBOOT_SYMBOLS))
 176                 return BINMAN_SYM_MISSING;
 177
 178 #ifdef CONFIG_VPL
 179         if (spl_next_phase() == PHASE_VPL)
 180                 return binman_sym(ulong, u_boot_vpl_any, image_pos);
 181 #endif
 182         return spl_next_phase() == PHASE_SPL ?
 183                 binman_sym(ulong, u_boot_spl_any, image_pos) :
 184                 binman_sym(ulong, u_boot_any, image_pos);
 185 }
 186
 187 ulong spl_get_image_size(void)
 188 {
 189         if (!CONFIG_IS_ENABLED(BINMAN_UBOOT_SYMBOLS))
 190                 return BINMAN_SYM_MISSING;
 191
 192 #ifdef CONFIG_VPL
 193         if (spl_next_phase() == PHASE_VPL)
 194                 return binman_sym(ulong, u_boot_vpl_any, size);
 195 #endif
 196         return spl_next_phase() == PHASE_SPL ?
 197                 binman_sym(ulong, u_boot_spl_any, size) :
 198                 binman_sym(ulong, u_boot_any, size);
 199 }
 200
 201 ulong spl_get_image_text_base(void)
 202 {
 203 #ifdef CONFIG_VPL
 204         if (spl_next_phase() == PHASE_VPL)
 205                 return CONFIG_VPL_TEXT_BASE;
 206 #endif
 207         return spl_next_phase() == PHASE_SPL ? CONFIG_SPL_TEXT_BASE :
 208                 CONFIG_TEXT_BASE;
 209 }
 210
 211 /*
 212  * Weak default function for board specific cleanup/preparation before
 213  * Linux boot. Some boards/platforms might not need it, so just provide
 214  * an empty stub here.
 215  */
 216 __weak void spl_board_prepare_for_linux(void)
 217 {
 218         /* Nothing to do! */
 219 }
 220
 221 __weak void spl_board_prepare_for_optee(void *fdt)
 222 {
 223 }
 224
 225 __weak const char *spl_board_loader_name(u32 boot_device)
 226 {
 227         return NULL;
 228 }
 229
 230 #if CONFIG_IS_ENABLED(OPTEE_IMAGE)
 231 __weak void __noreturn jump_to_image_optee(struct spl_image_info *spl_image)
 232 {
 233         spl_optee_entry(NULL, NULL, spl_image->fdt_addr,
 234                         (void *)spl_image->entry_point);
 235 }
 236 #endif
 237
 238 __weak void spl_board_prepare_for_boot(void)
 239 {
 240         /* Nothing to do! */
 241 }
 242
 243 __weak struct legacy_img_hdr *spl_get_load_buffer(ssize_t offset, size_t size)
 244 {
 245         return map_sysmem(CONFIG_TEXT_BASE + offset, 0);
 246 }
 247
 248 void spl_set_header_raw_uboot(struct spl_image_info *spl_image)
 249 {
 250         ulong u_boot_pos = spl_get_image_pos();
 251
 252 #if CONFIG_SYS_MONITOR_LEN != 0
 253         spl_image->size = CONFIG_SYS_MONITOR_LEN;
 254 #else
 255         /* Unknown U-Boot size, let's assume it will not be more than 200 KB */
 256         spl_image->size = 200 * 1024;
 257 #endif
 258
 259         /*
 260          * Binman error cases: address of the end of the previous region or the
 261          * start of the image's entry area (usually 0) if there is no previous
 262          * region.
 263          */
 264         if (u_boot_pos && u_boot_pos != BINMAN_SYM_MISSING) {
 265                 /* Binman does not support separated entry addresses */
 266                 spl_image->entry_point = u_boot_pos;
 267                 spl_image->load_addr = u_boot_pos;
 268         } else {
 269                 spl_image->entry_point = CONFIG_SYS_UBOOT_START;
 270                 spl_image->load_addr = CONFIG_TEXT_BASE;
 271         }
 272         spl_image->os = IH_OS_U_BOOT;
 273         spl_image->name = "U-Boot";
 274 }
 275
 276 __weak int spl_parse_board_header(struct spl_image_info *spl_image,
 277                                   const struct spl_boot_device *bootdev,
 278                                   const void *image_header, size_t size)
 279 {
 280         return -EINVAL;
 281 }
 282
 283 __weak int spl_parse_legacy_header(struct spl_image_info *spl_image,
 284                                    const struct legacy_img_hdr *header)
 285 {
 286         /* LEGACY image not supported */
 287         debug("Legacy boot image support not enabled, proceeding to other boot methods\n");
 288         return -EINVAL;
 289 }
 290
 291 int spl_parse_image_header(struct spl_image_info *spl_image,
 292                            const struct spl_boot_device *bootdev,
 293                            const struct legacy_img_hdr *header)
 294 {
 295         int ret;
 296
 297         if (CONFIG_IS_ENABLED(LOAD_FIT_FULL)) {
 298                 ret = spl_load_fit_image(spl_image, header);
 299
 300                 if (!ret)
 301                         return ret;
 302         }
 303         if (image_get_magic(header) == IH_MAGIC) {
 304                 int ret;
 305
 306                 ret = spl_parse_legacy_header(spl_image, header);
 307                 if (ret)
 308                         return ret;
 309                 return 0;
 310         }
 311
 312         if (IS_ENABLED(CONFIG_SPL_PANIC_ON_RAW_IMAGE)) {
 313                 /*
 314                  * CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the
 315                  * code which loads images in SPL cannot guarantee that
 316                  * absolutely all read errors will be reported.
 317                  * An example is the LPC32XX MLC NAND driver, which
 318                  * will consider that a completely unreadable NAND block
 319                  * is bad, and thus should be skipped silently.
 320                  */
 321                 panic("** no mkimage signature but raw image not supported");
 322         }
 323
 324         if (CONFIG_IS_ENABLED(OS_BOOT) && IS_ENABLED(CONFIG_CMD_BOOTI)) {
 325                 ulong start, size;
 326
 327                 if (!booti_setup((ulong)header, &start, &size, 0)) {
 328                         spl_image->name = "Linux";
 329                         spl_image->os = IH_OS_LINUX;
 330                         spl_image->load_addr = start;
 331                         spl_image->entry_point = start;
 332                         spl_image->size = size;
 333                         debug(SPL_TPL_PROMPT
 334                               "payload Image, load addr: 0x%lx size: %d\n",
 335                               spl_image->load_addr, spl_image->size);
 336                         return 0;
 337                 }
 338         } else if (CONFIG_IS_ENABLED(OS_BOOT) && IS_ENABLED(CONFIG_CMD_BOOTZ)) {
 339                 ulong start, end;
 340
 341                 if (!bootz_setup((ulong)header, &start, &end)) {
 342                         spl_image->name = "Linux";
 343                         spl_image->os = IH_OS_LINUX;
 344                         spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
 345                         spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
 346                         spl_image->size = end - start;
 347                         debug(SPL_TPL_PROMPT
 348                               "payload zImage, load addr: 0x%lx size: %d\n",
 349                               spl_image->load_addr, spl_image->size);
 350                         return 0;
 351                 }
 352         }
 353
 354         if (!spl_parse_board_header(spl_image, bootdev, (const void *)header,
 355                                     sizeof(*header)))
 356                 return 0;
 357
 358         if (IS_ENABLED(CONFIG_SPL_RAW_IMAGE_SUPPORT)) {
 359                 /* Signature not found - assume u-boot.bin */
 360                 debug("mkimage signature not found - ih_magic = %x\n",
 361                       header->ih_magic);
 362                 spl_set_header_raw_uboot(spl_image);
 363         } else {
 364                 /* RAW image not supported, proceed to other boot methods. */
 365                 debug("Raw boot image support not enabled, proceeding to other boot methods\n");
 366                 return -EINVAL;
 367         }
 368
 369         return 0;
 370 }
 371
 372 #if SPL_LOAD_USERS > 1
 373 int spl_load(struct spl_image_info *spl_image,
 374              const struct spl_boot_device *bootdev, struct spl_load_info *info,
 375              size_t size, size_t offset)
 376 {
 377         return _spl_load(spl_image, bootdev, info, size, offset);
 378 }
 379 #endif
 380
 381 __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
 382 {
 383         typedef void __noreturn (*image_entry_noargs_t)(void);
 384
 385         image_entry_noargs_t image_entry =
 386                 (image_entry_noargs_t)spl_image->entry_point;
 387
 388         debug("image entry point: 0x%lx\n", spl_image->entry_point);
 389         image_entry();
 390 }
 391
 392 #if CONFIG_IS_ENABLED(HANDOFF)
 393 /**
 394  * Set up the SPL hand-off information
 395  *
 396  * This is initially empty (zero) but can be written by
 397  */
 398 static int setup_spl_handoff(void)
 399 {
 400         struct spl_handoff *ho;
 401
 402         ho = bloblist_ensure(BLOBLISTT_U_BOOT_SPL_HANDOFF, sizeof(struct spl_handoff));
 403         if (!ho)
 404                 return -ENOENT;
 405
 406         return 0;
 407 }
 408
 409 __weak int handoff_arch_save(struct spl_handoff *ho)
 410 {
 411         return 0;
 412 }
 413
 414 static int write_spl_handoff(void)
 415 {
 416         struct spl_handoff *ho;
 417         int ret;
 418
 419         ho = bloblist_find(BLOBLISTT_U_BOOT_SPL_HANDOFF, sizeof(struct spl_handoff));
 420         if (!ho)
 421                 return -ENOENT;
 422         handoff_save_dram(ho);
 423         ret = handoff_arch_save(ho);
 424         if (ret)
 425                 return ret;
 426         debug(SPL_TPL_PROMPT "Wrote SPL handoff\n");
 427
 428         return 0;
 429 }
 430 #else
 431 static inline int setup_spl_handoff(void) { return 0; }
 432 static inline int write_spl_handoff(void) { return 0; }
 433
 434 #endif /* HANDOFF */
 435
 436 /**
 437  * get_bootstage_id() - Get the bootstage ID to emit
 438  *
 439  * @start: true if this is for starting SPL, false for ending it
 440  * Return: bootstage ID to use
 441  */
 442 static enum bootstage_id get_bootstage_id(bool start)
 443 {
 444         enum u_boot_phase phase = spl_phase();
 445
 446         if (IS_ENABLED(CONFIG_TPL_BUILD) && phase == PHASE_TPL)
 447                 return start ? BOOTSTAGE_ID_START_TPL : BOOTSTAGE_ID_END_TPL;
 448         else if (IS_ENABLED(CONFIG_VPL_BUILD) && phase == PHASE_VPL)
 449                 return start ? BOOTSTAGE_ID_START_VPL : BOOTSTAGE_ID_END_VPL;
 450         else
 451                 return start ? BOOTSTAGE_ID_START_SPL : BOOTSTAGE_ID_END_SPL;
 452 }
 453
 454 static int spl_common_init(bool setup_malloc)
 455 {
 456         int ret;
 457
 458 #if CONFIG_IS_ENABLED(SYS_MALLOC_F)
 459         if (setup_malloc) {
 460 #ifdef CFG_MALLOC_F_ADDR
 461                 gd->malloc_base = CFG_MALLOC_F_ADDR;
 462 #endif
 463                 gd->malloc_limit = CONFIG_VAL(SYS_MALLOC_F_LEN);
 464                 gd->malloc_ptr = 0;
 465         }
 466 #endif
 467         ret = bootstage_init(u_boot_first_phase());
 468         if (ret) {
 469                 debug("%s: Failed to set up bootstage: ret=%d\n", __func__,
 470                       ret);
 471                 return ret;
 472         }
 473         if (!u_boot_first_phase()) {
 474                 ret = bootstage_unstash_default();
 475                 if (ret)
 476                         log_debug("Failed to unstash bootstage: ret=%d\n", ret);
 477         }
 478         bootstage_mark_name(get_bootstage_id(true),
 479                             spl_phase_name(spl_phase()));
 480 #if CONFIG_IS_ENABLED(LOG)
 481         ret = log_init();
 482         if (ret) {
 483                 debug("%s: Failed to set up logging\n", __func__);
 484                 return ret;
 485         }
 486 #endif
 487         if (CONFIG_IS_ENABLED(OF_REAL)) {
 488                 ret = fdtdec_setup();
 489                 if (ret) {
 490                         debug("fdtdec_setup() returned error %d\n", ret);
 491                         return ret;
 492                 }
 493         }
 494         if (CONFIG_IS_ENABLED(DM)) {
 495                 bootstage_start(BOOTSTAGE_ID_ACCUM_DM_SPL,
 496                                 spl_phase() == PHASE_TPL ? "dm tpl" : "dm_spl");
 497                 /* With CONFIG_SPL_OF_PLATDATA, bring in all devices */
 498                 ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
 499                 bootstage_accum(BOOTSTAGE_ID_ACCUM_DM_SPL);
 500                 if (ret) {
 501                         debug("dm_init_and_scan() returned error %d\n", ret);
 502                         return ret;
 503                 }
 504         }
 505
 506         return 0;
 507 }
 508
 509 void spl_set_bd(void)
 510 {
 511         /*
 512          * NOTE: On some platforms (e.g. x86) bdata may be in flash and not
 513          * writeable.
 514          */
 515         if (!gd->bd)
 516                 gd->bd = &bdata;
 517 }
 518
 519 int spl_early_init(void)
 520 {
 521         int ret;
 522
 523         debug("%s\n", __func__);
 524
 525         ret = spl_common_init(true);
 526         if (ret)
 527                 return ret;
 528         gd->flags |= GD_FLG_SPL_EARLY_INIT;
 529
 530         return 0;
 531 }
 532
 533 int spl_init(void)
 534 {
 535         int ret;
 536         bool setup_malloc = !(IS_ENABLED(CONFIG_SPL_STACK_R) &&
 537                         IS_ENABLED(CONFIG_SPL_SYS_MALLOC_SIMPLE));
 538
 539         debug("%s\n", __func__);
 540
 541         if (!(gd->flags & GD_FLG_SPL_EARLY_INIT)) {
 542                 ret = spl_common_init(setup_malloc);
 543                 if (ret)
 544                         return ret;
 545         }
 546         gd->flags |= GD_FLG_SPL_INIT;
 547
 548         return 0;
 549 }
 550
 551 #ifndef BOOT_DEVICE_NONE
 552 #define BOOT_DEVICE_NONE 0xdeadbeef
 553 #endif
 554
 555 __weak void board_boot_order(u32 *spl_boot_list)
 556 {
 557         spl_boot_list[0] = spl_boot_device();
 558 }
 559
 560 __weak int spl_check_board_image(struct spl_image_info *spl_image,
 561                                  const struct spl_boot_device *bootdev)
 562 {
 563         return 0;
 564 }
 565
 566 static int spl_load_image(struct spl_image_info *spl_image,
 567                           struct spl_image_loader *loader)
 568 {
 569         int ret;
 570         struct spl_boot_device bootdev;
 571
 572         bootdev.boot_device = loader->boot_device;
 573         bootdev.boot_device_name = NULL;
 574
 575         ret = loader->load_image(spl_image, &bootdev);
 576 #ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK
 577         if (!ret && spl_image->dcrc_length) {
 578                 /* check data crc */
 579                 ulong dcrc = crc32_wd(0, (unsigned char *)spl_image->dcrc_data,
 580                                       spl_image->dcrc_length, CHUNKSZ_CRC32);
 581                 if (dcrc != spl_image->dcrc) {
 582                         puts("SPL: Image data CRC check failed!\n");
 583                         ret = -EINVAL;
 584                 }
 585         }
 586 #endif
 587         if (!ret)
 588                 ret = spl_check_board_image(spl_image, &bootdev);
 589
 590         return ret;
 591 }
 592
 593 /**
 594  * boot_from_devices() - Try loading a booting U-Boot from a list of devices
 595  *
 596  * @spl_image: Place to put the image details if successful
 597  * @spl_boot_list: List of boot devices to try
 598  * @count: Number of elements in spl_boot_list
 599  * Return: 0 if OK, -ENODEV if there were no boot devices
 600  *      if CONFIG_SHOW_ERRORS is enabled, returns -ENXIO if there were
 601  *      devices but none worked
 602  */
 603 static int boot_from_devices(struct spl_image_info *spl_image,
 604                              u32 spl_boot_list[], int count)
 605 {
 606         struct spl_image_loader *drv =
 607                 ll_entry_start(struct spl_image_loader, spl_image_loader);
 608         const int n_ents =
 609                 ll_entry_count(struct spl_image_loader, spl_image_loader);
 610         int ret = -ENODEV;
 611         int i;
 612
 613         for (i = 0; i < count && spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
 614                 struct spl_image_loader *loader;
 615                 int bootdev = spl_boot_list[i];
 616
 617                 if (CONFIG_IS_ENABLED(SHOW_ERRORS))
 618                         ret = -ENXIO;
 619                 for (loader = drv; loader != drv + n_ents; loader++) {
 620                         if (bootdev != loader->boot_device)
 621                                 continue;
 622                         if (!CONFIG_IS_ENABLED(SILENT_CONSOLE)) {
 623                                 if (loader)
 624                                         printf("Trying to boot from %s\n",
 625                                                spl_loader_name(loader));
 626                                 else if (CONFIG_IS_ENABLED(SHOW_ERRORS)) {
 627                                         printf(SPL_TPL_PROMPT
 628                                                "Unsupported Boot Device %d\n",
 629                                                bootdev);
 630                                 } else {
 631                                         puts(SPL_TPL_PROMPT
 632                                              "Unsupported Boot Device!\n");
 633                                 }
 634                         }
 635                         if (loader &&
 636                                 !spl_load_image(spl_image, loader)) {
 637                                 spl_image->boot_device = bootdev;
 638                                 return 0;
 639                         }
 640                 }
 641         }
 642
 643         return ret;
 644 }
 645
 646 #if defined(CONFIG_SPL_FRAMEWORK_BOARD_INIT_F)
 647 void board_init_f(ulong dummy)
 648 {
 649         if (CONFIG_IS_ENABLED(OF_CONTROL)) {
 650                 int ret;
 651
 652                 ret = spl_early_init();
 653                 if (ret) {
 654                         debug("spl_early_init() failed: %d\n", ret);
 655                         hang();
 656                 }
 657         }
 658
 659         preloader_console_init();
 660 }
 661 #endif
 662
 663 void board_init_r(gd_t *dummy1, ulong dummy2)
 664 {
 665         u32 spl_boot_list[] = {
 666                 BOOT_DEVICE_NONE,
 667                 BOOT_DEVICE_NONE,
 668                 BOOT_DEVICE_NONE,
 669                 BOOT_DEVICE_NONE,
 670                 BOOT_DEVICE_NONE,
 671         };
 672         typedef void __noreturn (*jump_to_image_t)(struct spl_image_info *);
 673         jump_to_image_t jump_to_image = &jump_to_image_no_args;
 674         struct spl_image_info spl_image;
 675         int ret, os;
 676
 677         debug(">>" SPL_TPL_PROMPT "board_init_r()\n");
 678
 679         spl_set_bd();
 680
 681         if (IS_ENABLED(CONFIG_SPL_SYS_MALLOC)) {
 682                 mem_malloc_init((ulong)map_sysmem(SPL_SYS_MALLOC_START,
 683                                                   SPL_SYS_MALLOC_SIZE),
 684                                 SPL_SYS_MALLOC_SIZE);
 685                 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
 686         }
 687         if (!(gd->flags & GD_FLG_SPL_INIT)) {
 688                 if (spl_init())
 689                         hang();
 690         }
 691         timer_init();
 692         if (CONFIG_IS_ENABLED(BLOBLIST)) {
 693                 ret = bloblist_init();
 694                 if (ret) {
 695                         debug("%s: Failed to set up bloblist: ret=%d\n",
 696                               __func__, ret);
 697                         puts(SPL_TPL_PROMPT "Cannot set up bloblist\n");
 698                         hang();
 699                 }
 700         }
 701         if (CONFIG_IS_ENABLED(HANDOFF)) {
 702                 int ret;
 703
 704                 ret = setup_spl_handoff();
 705                 if (ret) {
 706                         puts(SPL_TPL_PROMPT "Cannot set up SPL handoff\n");
 707                         hang();
 708                 }
 709         }
 710
 711         if (CONFIG_IS_ENABLED(SOC_INIT))
 712                 spl_soc_init();
 713
 714         if (CONFIG_IS_ENABLED(BOARD_INIT))
 715                 spl_board_init();
 716
 717         if (IS_ENABLED(CONFIG_SPL_WATCHDOG) && CONFIG_IS_ENABLED(WDT))
 718                 initr_watchdog();
 719
 720         if (IS_ENABLED(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF) ||
 721             IS_ENABLED(CONFIG_SPL_ATF) || IS_ENABLED(CONFIG_SPL_NET))
 722                 dram_init_banksize();
 723
 724         if (CONFIG_IS_ENABLED(PCI) && !(gd->flags & GD_FLG_DM_DEAD)) {
 725                 ret = pci_init();
 726                 if (ret)
 727                         puts(SPL_TPL_PROMPT "Cannot initialize PCI\n");
 728                 /* Don't fail. We still can try other boot methods. */
 729         }
 730
 731         bootcount_inc();
 732
 733         /* Dump driver model states to aid analysis */
 734         if (CONFIG_IS_ENABLED(DM_STATS)) {
 735                 struct dm_stats mem;
 736
 737                 dm_get_mem(&mem);
 738                 dm_dump_mem(&mem);
 739         }
 740
 741         memset(&spl_image, '\0', sizeof(spl_image));
 742         if (IS_ENABLED(CONFIG_SPL_OS_BOOT))
 743                 spl_image.arg = (void *)SPL_PAYLOAD_ARGS_ADDR;
 744         spl_image.boot_device = BOOT_DEVICE_NONE;
 745         board_boot_order(spl_boot_list);
 746
 747         ret = boot_from_devices(&spl_image, spl_boot_list,
 748                                 ARRAY_SIZE(spl_boot_list));
 749         if (ret) {
 750                 if (CONFIG_IS_ENABLED(SHOW_ERRORS))
 751                         printf(SPL_TPL_PROMPT "failed to boot from all boot devices (err=%d)\n",
 752                                ret);
 753                 else
 754                         puts(SPL_TPL_PROMPT "failed to boot from all boot devices\n");
 755                 hang();
 756         }
 757
 758         spl_perform_fixups(&spl_image);
 759
 760         os = spl_image.os;
 761         if (os == IH_OS_U_BOOT) {
 762                 debug("Jumping to %s...\n", spl_phase_name(spl_next_phase()));
 763         } else if (CONFIG_IS_ENABLED(ATF) && os == IH_OS_ARM_TRUSTED_FIRMWARE) {
 764                 debug("Jumping to U-Boot via ARM Trusted Firmware\n");
 765                 spl_fixup_fdt(spl_image_fdt_addr(&spl_image));
 766                 jump_to_image = &spl_invoke_atf;
 767         } else if (CONFIG_IS_ENABLED(OPTEE_IMAGE) && os == IH_OS_TEE) {
 768                 debug("Jumping to U-Boot via OP-TEE\n");
 769                 spl_board_prepare_for_optee(spl_image_fdt_addr(&spl_image));
 770                 jump_to_image = &jump_to_image_optee;
 771         } else if (CONFIG_IS_ENABLED(OPENSBI) && os == IH_OS_OPENSBI) {
 772                 debug("Jumping to U-Boot via RISC-V OpenSBI\n");
 773                 jump_to_image = &spl_invoke_opensbi;
 774         } else if (CONFIG_IS_ENABLED(OS_BOOT) && os == IH_OS_LINUX) {
 775                 debug("Jumping to Linux\n");
 776                 if (IS_ENABLED(CONFIG_SPL_OS_BOOT))
 777                         spl_fixup_fdt((void *)SPL_PAYLOAD_ARGS_ADDR);
 778                 spl_board_prepare_for_linux();
 779                 jump_to_image = &jump_to_image_linux;
 780         } else {
 781                 debug("Unsupported OS image.. Jumping nevertheless..\n");
 782         }
 783         if (CONFIG_IS_ENABLED(SYS_MALLOC_F) &&
 784             !IS_ENABLED(CONFIG_SPL_SYS_MALLOC_SIZE))
 785                 debug("SPL malloc() used 0x%x bytes (%d KB)\n",
 786                       gd_malloc_ptr(), gd_malloc_ptr() / 1024);
 787
 788         bootstage_mark_name(get_bootstage_id(false), "end phase");
 789         ret = bootstage_stash_default();
 790         if (ret)
 791                 debug("Failed to stash bootstage: err=%d\n", ret);
 792
 793         if (IS_ENABLED(CONFIG_SPL_VIDEO_REMOVE)) {
 794                 struct udevice *dev;
 795                 int rc;
 796
 797                 rc = uclass_find_device(UCLASS_VIDEO, 0, &dev);
 798                 if (!rc && dev) {
 799                         rc = device_remove(dev, DM_REMOVE_NORMAL);
 800                         if (rc)
 801                                 printf("Cannot remove video device '%s' (err=%d)\n",
 802                                        dev->name, rc);
 803                 }
 804         }
 805         if (CONFIG_IS_ENABLED(HANDOFF)) {
 806                 ret = write_spl_handoff();
 807                 if (ret)
 808                         printf(SPL_TPL_PROMPT
 809                                "SPL hand-off write failed (err=%d)\n", ret);
 810         }
 811         if (CONFIG_IS_ENABLED(UPL_OUT) && (gd->flags & GD_FLG_UPL)) {
 812                 ret = spl_write_upl_handoff(&spl_image);
 813                 if (ret) {
 814                         printf(SPL_TPL_PROMPT
 815                                "UPL hand-off write failed (err=%d)\n", ret);
 816                         hang();
 817                 }
 818         }
 819         if (CONFIG_IS_ENABLED(BLOBLIST)) {
 820                 ret = bloblist_finish();
 821                 if (ret)
 822                         printf("Warning: Failed to finish bloblist (ret=%d)\n",
 823                                ret);
 824         }
 825
 826         spl_board_prepare_for_boot();
 827         jump_to_image(&spl_image);
 828 }
 829
 830 /*
 831  * This requires UART clocks to be enabled.  In order for this to work the
 832  * caller must ensure that the gd pointer is valid.
 833  */
 834 void preloader_console_init(void)
 835 {
 836 #ifdef CONFIG_SPL_SERIAL
 837         gd->baudrate = CONFIG_BAUDRATE;
 838
 839         serial_init();          /* serial communications setup */
 840
 841         gd->flags |= GD_FLG_HAVE_CONSOLE;
 842
 843 #if CONFIG_IS_ENABLED(BANNER_PRINT)
 844         puts("\nU-Boot " SPL_TPL_NAME " " PLAIN_VERSION " (" U_BOOT_DATE " - "
 845              U_BOOT_TIME " " U_BOOT_TZ ")\n");
 846 #endif
 847 #ifdef CONFIG_SPL_DISPLAY_PRINT
 848         spl_display_print();
 849 #endif
 850 #endif
 851 }
 852
 853 /**
 854  * This function is called before the stack is changed from initial stack to
 855  * relocated stack. It tries to dump the stack size used
 856  */
 857 __weak void spl_relocate_stack_check(void)
 858 {
 859 #if CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE)
 860         ulong init_sp = gd->start_addr_sp;
 861         ulong stack_bottom = init_sp - CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK);
 862         u8 *ptr = (u8 *)stack_bottom;
 863         ulong i;
 864
 865         for (i = 0; i < CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK); i++) {
 866                 if (*ptr != CONFIG_VAL(SYS_STACK_F_CHECK_BYTE))
 867                         break;
 868                 ptr++;
 869         }
 870         printf("SPL initial stack usage: %lu bytes\n",
 871                CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK) - i);
 872 #endif
 873 }
 874
 875 /**
 876  * spl_relocate_stack_gd() - Relocate stack ready for board_init_r() execution
 877  *
 878  * Sometimes board_init_f() runs with a stack in SRAM but we want to use SDRAM
 879  * for the main board_init_r() execution. This is typically because we need
 880  * more stack space for things like the MMC sub-system.
 881  *
 882  * This function calculates the stack position, copies the global_data into
 883  * place, sets the new gd (except for ARM, for which setting GD within a C
 884  * function may not always work) and returns the new stack position. The
 885  * caller is responsible for setting up the sp register and, in the case
 886  * of ARM, setting up gd.
 887  *
 888  * All of this is done using the same layout and alignments as done in
 889  * board_init_f_init_reserve() / board_init_f_alloc_reserve().
 890  *
 891  * Return: new stack location, or 0 to use the same stack
 892  */
 893 ulong spl_relocate_stack_gd(void)
 894 {
 895 #ifdef CONFIG_SPL_STACK_R
 896         gd_t *new_gd;
 897         ulong ptr = CONFIG_SPL_STACK_R_ADDR;
 898
 899         if (CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE))
 900                 spl_relocate_stack_check();
 901
 902 #if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_IS_ENABLED(SYS_MALLOC_F)
 903         if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
 904                 debug("SPL malloc() before relocation used 0x%x bytes (%d KB)\n",
 905                       gd->malloc_ptr, gd->malloc_ptr / 1024);
 906                 ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
 907                 gd->malloc_base = ptr;
 908                 gd->malloc_limit = CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
 909                 gd->malloc_ptr = 0;
 910         }
 911 #endif
 912         /* Get stack position: use 8-byte alignment for ABI compliance */
 913         ptr = CONFIG_SPL_STACK_R_ADDR - roundup(sizeof(gd_t),16);
 914         gd->start_addr_sp = ptr;
 915         new_gd = (gd_t *)ptr;
 916         memcpy(new_gd, (void *)gd, sizeof(gd_t));
 917 #if CONFIG_IS_ENABLED(DM)
 918         dm_fixup_for_gd_move(new_gd);
 919 #endif
 920 #if CONFIG_IS_ENABLED(LOG)
 921         log_fixup_for_gd_move(new_gd);
 922 #endif
 923 #if !defined(CONFIG_ARM) && !defined(CONFIG_RISCV)
 924         gd = new_gd;
 925 #endif
 926         return ptr;
 927 #else
 928         return 0;
 929 #endif
 930 }
 931
 932 #if defined(CONFIG_BOOTCOUNT_LIMIT) && \
 933         ((!defined(CONFIG_TPL_BUILD) && !defined(CONFIG_SPL_BOOTCOUNT_LIMIT)) || \
 934          (defined(CONFIG_TPL_BUILD) && !defined(CONFIG_TPL_BOOTCOUNT_LIMIT)))
 935 void bootcount_store(ulong a)
 936 {
 937 }
 938
 939 ulong bootcount_load(void)
 940 {
 941         return 0;
 942 }
 943 #endif