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 <aneesh@ti.com>
   7  */
   8
   9 #include <common.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 <serial.h>
  20 #include <spl.h>
  21 #include <asm/u-boot.h>
  22 #include <nand.h>
  23 #include <fat.h>
  24 #include <u-boot/crc.h>
  25 #include <version.h>
  26 #include <image.h>
  27 #include <malloc.h>
  28 #include <mapmem.h>
  29 #include <dm/root.h>
  30 #include <linux/compiler.h>
  31 #include <fdt_support.h>
  32 #include <bootcount.h>
  33 #include <wdt.h>
  34
  35 DECLARE_GLOBAL_DATA_PTR;
  36
  37 #ifndef CONFIG_SYS_UBOOT_START
  38 #define CONFIG_SYS_UBOOT_START  CONFIG_SYS_TEXT_BASE
  39 #endif
  40 #ifndef CONFIG_SYS_MONITOR_LEN
  41 /* Unknown U-Boot size, let's assume it will not be more than 200 KB */
  42 #define CONFIG_SYS_MONITOR_LEN  (200 * 1024)
  43 #endif
  44
  45 u32 *boot_params_ptr = NULL;
  46
  47 /* See spl.h for information about this */
  48 binman_sym_declare(ulong, u_boot_any, image_pos);
  49 binman_sym_declare(ulong, u_boot_any, size);
  50
  51 #ifdef CONFIG_TPL
  52 binman_sym_declare(ulong, spl, image_pos);
  53 binman_sym_declare(ulong, spl, size);
  54 #endif
  55
  56 /* Define board data structure */
  57 static bd_t bdata __attribute__ ((section(".data")));
  58
  59 /*
  60  * Board-specific Platform code can reimplement show_boot_progress () if needed
  61  */
  62 __weak void show_boot_progress(int val) {}
  63
  64 #if defined(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF) || \
  65         defined(CONFIG_SPL_ATF)
  66 /* weak, default platform-specific function to initialize dram banks */
  67 __weak int dram_init_banksize(void)
  68 {
  69         return 0;
  70 }
  71 #endif
  72
  73 /*
  74  * Default function to determine if u-boot or the OS should
  75  * be started. This implementation always returns 1.
  76  *
  77  * Please implement your own board specific funcion to do this.
  78  *
  79  * RETURN
  80  * 0 to not start u-boot
  81  * positive if u-boot should start
  82  */
  83 #ifdef CONFIG_SPL_OS_BOOT
  84 __weak int spl_start_uboot(void)
  85 {
  86         puts(SPL_TPL_PROMPT
  87              "Please implement spl_start_uboot() for your board\n");
  88         puts(SPL_TPL_PROMPT "Direct Linux boot not active!\n");
  89         return 1;
  90 }
  91
  92 /*
  93  * Weak default function for arch specific zImage check. Return zero
  94  * and fill start and end address if image is recognized.
  95  */
  96 int __weak bootz_setup(ulong image, ulong *start, ulong *end)
  97 {
  98          return 1;
  99 }
 100 #endif
 101
 102 /* Weak default function for arch/board-specific fixups to the spl_image_info */
 103 void __weak spl_perform_fixups(struct spl_image_info *spl_image)
 104 {
 105 }
 106
 107 void spl_fixup_fdt(void *fdt_blob)
 108 {
 109 #if defined(CONFIG_SPL_OF_LIBFDT)
 110         int err;
 111
 112         if (!fdt_blob)
 113                 return;
 114
 115         err = fdt_check_header(fdt_blob);
 116         if (err < 0) {
 117                 printf("fdt_root: %s\n", fdt_strerror(err));
 118                 return;
 119         }
 120
 121         /* fixup the memory dt node */
 122         err = fdt_shrink_to_minimum(fdt_blob, 0);
 123         if (err == 0) {
 124                 printf(SPL_TPL_PROMPT "fdt_shrink_to_minimum err - %d\n", err);
 125                 return;
 126         }
 127
 128         err = arch_fixup_fdt(fdt_blob);
 129         if (err) {
 130                 printf(SPL_TPL_PROMPT "arch_fixup_fdt err - %d\n", err);
 131                 return;
 132         }
 133 #endif
 134 }
 135
 136 ulong spl_get_image_pos(void)
 137 {
 138         return spl_phase() == PHASE_TPL ?
 139                 binman_sym(ulong, spl, image_pos) :
 140                 binman_sym(ulong, u_boot_any, image_pos);
 141 }
 142
 143 ulong spl_get_image_size(void)
 144 {
 145         return spl_phase() == PHASE_TPL ?
 146                 binman_sym(ulong, spl, size) :
 147                 binman_sym(ulong, u_boot_any, size);
 148 }
 149
 150 /*
 151  * Weak default function for board specific cleanup/preparation before
 152  * Linux boot. Some boards/platforms might not need it, so just provide
 153  * an empty stub here.
 154  */
 155 __weak void spl_board_prepare_for_linux(void)
 156 {
 157         /* Nothing to do! */
 158 }
 159
 160 __weak void spl_board_prepare_for_boot(void)
 161 {
 162         /* Nothing to do! */
 163 }
 164
 165 __weak struct image_header *spl_get_load_buffer(ssize_t offset, size_t size)
 166 {
 167         return (struct image_header *)(CONFIG_SYS_TEXT_BASE + offset);
 168 }
 169
 170 void spl_set_header_raw_uboot(struct spl_image_info *spl_image)
 171 {
 172         ulong u_boot_pos = binman_sym(ulong, u_boot_any, image_pos);
 173
 174         spl_image->size = CONFIG_SYS_MONITOR_LEN;
 175
 176         /*
 177          * Binman error cases: address of the end of the previous region or the
 178          * start of the image's entry area (usually 0) if there is no previous
 179          * region.
 180          */
 181         if (u_boot_pos && u_boot_pos != BINMAN_SYM_MISSING) {
 182                 /* Binman does not support separated entry addresses */
 183                 spl_image->entry_point = u_boot_pos;
 184                 spl_image->load_addr = u_boot_pos;
 185         } else {
 186                 spl_image->entry_point = CONFIG_SYS_UBOOT_START;
 187                 spl_image->load_addr = CONFIG_SYS_TEXT_BASE;
 188         }
 189         spl_image->os = IH_OS_U_BOOT;
 190         spl_image->name = "U-Boot";
 191 }
 192
 193 #ifdef CONFIG_SPL_LOAD_FIT_FULL
 194 /* Parse and load full fitImage in SPL */
 195 static int spl_load_fit_image(struct spl_image_info *spl_image,
 196                               const struct image_header *header)
 197 {
 198         bootm_headers_t images;
 199         const char *fit_uname_config = NULL;
 200         const char *fit_uname_fdt = FIT_FDT_PROP;
 201         const char *uname;
 202         ulong fw_data = 0, dt_data = 0, img_data = 0;
 203         ulong fw_len = 0, dt_len = 0, img_len = 0;
 204         int idx, conf_noffset;
 205         int ret;
 206
 207 #ifdef CONFIG_SPL_FIT_SIGNATURE
 208         images.verify = 1;
 209 #endif
 210         ret = fit_image_load(&images, (ulong)header,
 211                              NULL, &fit_uname_config,
 212                              IH_ARCH_DEFAULT, IH_TYPE_STANDALONE, -1,
 213                              FIT_LOAD_REQUIRED, &fw_data, &fw_len);
 214         if (ret < 0)
 215                 return ret;
 216
 217         spl_image->size = fw_len;
 218         spl_image->entry_point = fw_data;
 219         spl_image->load_addr = fw_data;
 220         spl_image->os = IH_OS_U_BOOT;
 221         spl_image->name = "U-Boot";
 222
 223         debug(SPL_TPL_PROMPT "payload image: %32s load addr: 0x%lx size: %d\n",
 224               spl_image->name, spl_image->load_addr, spl_image->size);
 225
 226 #ifdef CONFIG_SPL_FIT_SIGNATURE
 227         images.verify = 1;
 228 #endif
 229         ret = fit_image_load(&images, (ulong)header,
 230                        &fit_uname_fdt, &fit_uname_config,
 231                        IH_ARCH_DEFAULT, IH_TYPE_FLATDT, -1,
 232                        FIT_LOAD_OPTIONAL, &dt_data, &dt_len);
 233         if (ret >= 0)
 234                 spl_image->fdt_addr = (void *)dt_data;
 235
 236         conf_noffset = fit_conf_get_node((const void *)header,
 237                                          fit_uname_config);
 238         if (conf_noffset <= 0)
 239                 return 0;
 240
 241         for (idx = 0;
 242              uname = fdt_stringlist_get((const void *)header, conf_noffset,
 243                                         FIT_LOADABLE_PROP, idx,
 244                                 NULL), uname;
 245              idx++)
 246         {
 247 #ifdef CONFIG_SPL_FIT_SIGNATURE
 248                 images.verify = 1;
 249 #endif
 250                 ret = fit_image_load(&images, (ulong)header,
 251                                      &uname, &fit_uname_config,
 252                                      IH_ARCH_DEFAULT, IH_TYPE_LOADABLE, -1,
 253                                      FIT_LOAD_OPTIONAL_NON_ZERO,
 254                                      &img_data, &img_len);
 255                 if (ret < 0)
 256                         return ret;
 257         }
 258
 259         return 0;
 260 }
 261 #endif
 262
 263 __weak int spl_parse_legacy_header(struct spl_image_info *spl_image,
 264                                    const struct image_header *header)
 265 {
 266         /* LEGACY image not supported */
 267         debug("Legacy boot image support not enabled, proceeding to other boot methods\n");
 268         return -EINVAL;
 269 }
 270
 271 int spl_parse_image_header(struct spl_image_info *spl_image,
 272                            const struct image_header *header)
 273 {
 274 #ifdef CONFIG_SPL_LOAD_FIT_FULL
 275         int ret = spl_load_fit_image(spl_image, header);
 276
 277         if (!ret)
 278                 return ret;
 279 #endif
 280         if (image_get_magic(header) == IH_MAGIC) {
 281                 int ret;
 282
 283                 ret = spl_parse_legacy_header(spl_image, header);
 284                 if (ret)
 285                         return ret;
 286         } else {
 287 #ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
 288                 /*
 289                  * CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the
 290                  * code which loads images in SPL cannot guarantee that
 291                  * absolutely all read errors will be reported.
 292                  * An example is the LPC32XX MLC NAND driver, which
 293                  * will consider that a completely unreadable NAND block
 294                  * is bad, and thus should be skipped silently.
 295                  */
 296                 panic("** no mkimage signature but raw image not supported");
 297 #endif
 298
 299 #ifdef CONFIG_SPL_OS_BOOT
 300                 ulong start, end;
 301
 302                 if (!bootz_setup((ulong)header, &start, &end)) {
 303                         spl_image->name = "Linux";
 304                         spl_image->os = IH_OS_LINUX;
 305                         spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
 306                         spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
 307                         spl_image->size = end - start;
 308                         debug(SPL_TPL_PROMPT
 309                               "payload zImage, load addr: 0x%lx size: %d\n",
 310                               spl_image->load_addr, spl_image->size);
 311                         return 0;
 312                 }
 313 #endif
 314
 315 #ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT
 316                 /* Signature not found - assume u-boot.bin */
 317                 debug("mkimage signature not found - ih_magic = %x\n",
 318                         header->ih_magic);
 319                 spl_set_header_raw_uboot(spl_image);
 320 #else
 321                 /* RAW image not supported, proceed to other boot methods. */
 322                 debug("Raw boot image support not enabled, proceeding to other boot methods\n");
 323                 return -EINVAL;
 324 #endif
 325         }
 326
 327         return 0;
 328 }
 329
 330 __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
 331 {
 332         typedef void __noreturn (*image_entry_noargs_t)(void);
 333
 334         image_entry_noargs_t image_entry =
 335                 (image_entry_noargs_t)spl_image->entry_point;
 336
 337         debug("image entry point: 0x%lx\n", spl_image->entry_point);
 338         image_entry();
 339 }
 340
 341 #if CONFIG_IS_ENABLED(HANDOFF)
 342 /**
 343  * Set up the SPL hand-off information
 344  *
 345  * This is initially empty (zero) but can be written by
 346  */
 347 static int setup_spl_handoff(void)
 348 {
 349         struct spl_handoff *ho;
 350
 351         ho = bloblist_ensure(BLOBLISTT_SPL_HANDOFF, sizeof(struct spl_handoff));
 352         if (!ho)
 353                 return -ENOENT;
 354
 355         return 0;
 356 }
 357
 358 __weak int handoff_arch_save(struct spl_handoff *ho)
 359 {
 360         return 0;
 361 }
 362
 363 static int write_spl_handoff(void)
 364 {
 365         struct spl_handoff *ho;
 366         int ret;
 367
 368         ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(struct spl_handoff));
 369         if (!ho)
 370                 return -ENOENT;
 371         handoff_save_dram(ho);
 372         ret = handoff_arch_save(ho);
 373         if (ret)
 374                 return ret;
 375         debug(SPL_TPL_PROMPT "Wrote SPL handoff\n");
 376
 377         return 0;
 378 }
 379 #else
 380 static inline int setup_spl_handoff(void) { return 0; }
 381 static inline int write_spl_handoff(void) { return 0; }
 382
 383 #endif /* HANDOFF */
 384
 385 static int spl_common_init(bool setup_malloc)
 386 {
 387         int ret;
 388
 389 #if CONFIG_VAL(SYS_MALLOC_F_LEN)
 390         if (setup_malloc) {
 391 #ifdef CONFIG_MALLOC_F_ADDR
 392                 gd->malloc_base = CONFIG_MALLOC_F_ADDR;
 393 #endif
 394                 gd->malloc_limit = CONFIG_VAL(SYS_MALLOC_F_LEN);
 395                 gd->malloc_ptr = 0;
 396         }
 397 #endif
 398         ret = bootstage_init(u_boot_first_phase());
 399         if (ret) {
 400                 debug("%s: Failed to set up bootstage: ret=%d\n", __func__,
 401                       ret);
 402                 return ret;
 403         }
 404 #ifdef CONFIG_BOOTSTAGE_STASH
 405         if (!u_boot_first_phase()) {
 406                 const void *stash = map_sysmem(CONFIG_BOOTSTAGE_STASH_ADDR,
 407                                                CONFIG_BOOTSTAGE_STASH_SIZE);
 408
 409                 ret = bootstage_unstash(stash, CONFIG_BOOTSTAGE_STASH_SIZE);
 410                 if (ret)
 411                         debug("%s: Failed to unstash bootstage: ret=%d\n",
 412                               __func__, ret);
 413         }
 414 #endif /* CONFIG_BOOTSTAGE_STASH */
 415         bootstage_mark_name(spl_phase() == PHASE_TPL ? BOOTSTAGE_ID_START_TPL :
 416                             BOOTSTAGE_ID_START_SPL, SPL_TPL_NAME);
 417 #if CONFIG_IS_ENABLED(LOG)
 418         ret = log_init();
 419         if (ret) {
 420                 debug("%s: Failed to set up logging\n", __func__);
 421                 return ret;
 422         }
 423 #endif
 424         if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) {
 425                 ret = fdtdec_setup();
 426                 if (ret) {
 427                         debug("fdtdec_setup() returned error %d\n", ret);
 428                         return ret;
 429                 }
 430         }
 431         if (CONFIG_IS_ENABLED(DM)) {
 432                 bootstage_start(BOOTSTAGE_ID_ACCUM_DM_SPL,
 433                                 spl_phase() == PHASE_TPL ? "dm tpl" : "dm_spl");
 434                 /* With CONFIG_SPL_OF_PLATDATA, bring in all devices */
 435                 ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
 436                 bootstage_accum(BOOTSTAGE_ID_ACCUM_DM_SPL);
 437                 if (ret) {
 438                         debug("dm_init_and_scan() returned error %d\n", ret);
 439                         return ret;
 440                 }
 441         }
 442
 443         return 0;
 444 }
 445
 446 void spl_set_bd(void)
 447 {
 448         /*
 449          * NOTE: On some platforms (e.g. x86) bdata may be in flash and not
 450          * writeable.
 451          */
 452         if (!gd->bd)
 453                 gd->bd = &bdata;
 454 }
 455
 456 int spl_early_init(void)
 457 {
 458         int ret;
 459
 460         debug("%s\n", __func__);
 461
 462         ret = spl_common_init(true);
 463         if (ret)
 464                 return ret;
 465         gd->flags |= GD_FLG_SPL_EARLY_INIT;
 466
 467         return 0;
 468 }
 469
 470 int spl_init(void)
 471 {
 472         int ret;
 473         bool setup_malloc = !(IS_ENABLED(CONFIG_SPL_STACK_R) &&
 474                         IS_ENABLED(CONFIG_SPL_SYS_MALLOC_SIMPLE));
 475
 476         debug("%s\n", __func__);
 477
 478         if (!(gd->flags & GD_FLG_SPL_EARLY_INIT)) {
 479                 ret = spl_common_init(setup_malloc);
 480                 if (ret)
 481                         return ret;
 482         }
 483         gd->flags |= GD_FLG_SPL_INIT;
 484
 485         return 0;
 486 }
 487
 488 #ifndef BOOT_DEVICE_NONE
 489 #define BOOT_DEVICE_NONE 0xdeadbeef
 490 #endif
 491
 492 __weak void board_boot_order(u32 *spl_boot_list)
 493 {
 494         spl_boot_list[0] = spl_boot_device();
 495 }
 496
 497 static struct spl_image_loader *spl_ll_find_loader(uint boot_device)
 498 {
 499         struct spl_image_loader *drv =
 500                 ll_entry_start(struct spl_image_loader, spl_image_loader);
 501         const int n_ents =
 502                 ll_entry_count(struct spl_image_loader, spl_image_loader);
 503         struct spl_image_loader *entry;
 504
 505         for (entry = drv; entry != drv + n_ents; entry++) {
 506                 if (boot_device == entry->boot_device)
 507                         return entry;
 508         }
 509
 510         /* Not found */
 511         return NULL;
 512 }
 513
 514 static int spl_load_image(struct spl_image_info *spl_image,
 515                           struct spl_image_loader *loader)
 516 {
 517         int ret;
 518         struct spl_boot_device bootdev;
 519
 520         bootdev.boot_device = loader->boot_device;
 521         bootdev.boot_device_name = NULL;
 522
 523         ret = loader->load_image(spl_image, &bootdev);
 524 #ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK
 525         if (!ret && spl_image->dcrc_length) {
 526                 /* check data crc */
 527                 ulong dcrc = crc32_wd(0, (unsigned char *)spl_image->dcrc_data,
 528                                       spl_image->dcrc_length, CHUNKSZ_CRC32);
 529                 if (dcrc != spl_image->dcrc) {
 530                         puts("SPL: Image data CRC check failed!\n");
 531                         ret = -EINVAL;
 532                 }
 533         }
 534 #endif
 535         return ret;
 536 }
 537
 538 /**
 539  * boot_from_devices() - Try loading a booting U-Boot from a list of devices
 540  *
 541  * @spl_image: Place to put the image details if successful
 542  * @spl_boot_list: List of boot devices to try
 543  * @count: Number of elements in spl_boot_list
 544  * @return 0 if OK, -ve on error
 545  */
 546 static int boot_from_devices(struct spl_image_info *spl_image,
 547                              u32 spl_boot_list[], int count)
 548 {
 549         int i;
 550
 551         for (i = 0; i < count && spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
 552                 struct spl_image_loader *loader;
 553
 554                 loader = spl_ll_find_loader(spl_boot_list[i]);
 555 #if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
 556                 if (loader)
 557                         printf("Trying to boot from %s\n", loader->name);
 558                 else
 559                         puts(SPL_TPL_PROMPT "Unsupported Boot Device!\n");
 560 #endif
 561                 if (loader && !spl_load_image(spl_image, loader)) {
 562                         spl_image->boot_device = spl_boot_list[i];
 563                         return 0;
 564                 }
 565         }
 566
 567         return -ENODEV;
 568 }
 569
 570 #if defined(CONFIG_SPL_FRAMEWORK_BOARD_INIT_F)
 571 void board_init_f(ulong dummy)
 572 {
 573         if (CONFIG_IS_ENABLED(OF_CONTROL)) {
 574                 int ret;
 575
 576                 ret = spl_early_init();
 577                 if (ret) {
 578                         debug("spl_early_init() failed: %d\n", ret);
 579                         hang();
 580                 }
 581         }
 582
 583         preloader_console_init();
 584 }
 585 #endif
 586
 587 void board_init_r(gd_t *dummy1, ulong dummy2)
 588 {
 589         u32 spl_boot_list[] = {
 590                 BOOT_DEVICE_NONE,
 591                 BOOT_DEVICE_NONE,
 592                 BOOT_DEVICE_NONE,
 593                 BOOT_DEVICE_NONE,
 594                 BOOT_DEVICE_NONE,
 595         };
 596         struct spl_image_info spl_image;
 597         int ret;
 598
 599         debug(">>" SPL_TPL_PROMPT "board_init_r()\n");
 600
 601         spl_set_bd();
 602
 603 #if defined(CONFIG_SYS_SPL_MALLOC_START)
 604         mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
 605                         CONFIG_SYS_SPL_MALLOC_SIZE);
 606         gd->flags |= GD_FLG_FULL_MALLOC_INIT;
 607 #endif
 608         if (!(gd->flags & GD_FLG_SPL_INIT)) {
 609                 if (spl_init())
 610                         hang();
 611         }
 612 #if !defined(CONFIG_PPC) && !defined(CONFIG_ARCH_MX6)
 613         /*
 614          * timer_init() does not exist on PPC systems. The timer is initialized
 615          * and enabled (decrementer) in interrupt_init() here.
 616          */
 617         timer_init();
 618 #endif
 619         if (CONFIG_IS_ENABLED(BLOBLIST)) {
 620                 ret = bloblist_init();
 621                 if (ret) {
 622                         debug("%s: Failed to set up bloblist: ret=%d\n",
 623                               __func__, ret);
 624                         puts(SPL_TPL_PROMPT "Cannot set up bloblist\n");
 625                         hang();
 626                 }
 627         }
 628         if (CONFIG_IS_ENABLED(HANDOFF)) {
 629                 int ret;
 630
 631                 ret = setup_spl_handoff();
 632                 if (ret) {
 633                         puts(SPL_TPL_PROMPT "Cannot set up SPL handoff\n");
 634                         hang();
 635                 }
 636         }
 637
 638 #if CONFIG_IS_ENABLED(BOARD_INIT)
 639         spl_board_init();
 640 #endif
 641
 642 #if defined(CONFIG_SPL_WATCHDOG_SUPPORT) && CONFIG_IS_ENABLED(WDT)
 643         initr_watchdog();
 644 #endif
 645
 646         if (IS_ENABLED(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF) ||
 647             IS_ENABLED(CONFIG_SPL_ATF))
 648                 dram_init_banksize();
 649
 650         bootcount_inc();
 651
 652         memset(&spl_image, '\0', sizeof(spl_image));
 653 #ifdef CONFIG_SYS_SPL_ARGS_ADDR
 654         spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
 655 #endif
 656         spl_image.boot_device = BOOT_DEVICE_NONE;
 657         board_boot_order(spl_boot_list);
 658
 659         if (boot_from_devices(&spl_image, spl_boot_list,
 660                               ARRAY_SIZE(spl_boot_list))) {
 661                 puts(SPL_TPL_PROMPT "failed to boot from all boot devices\n");
 662                 hang();
 663         }
 664
 665         spl_perform_fixups(&spl_image);
 666         if (CONFIG_IS_ENABLED(HANDOFF)) {
 667                 ret = write_spl_handoff();
 668                 if (ret)
 669                         printf(SPL_TPL_PROMPT
 670                                "SPL hand-off write failed (err=%d)\n", ret);
 671         }
 672         if (CONFIG_IS_ENABLED(BLOBLIST)) {
 673                 ret = bloblist_finish();
 674                 if (ret)
 675                         printf("Warning: Failed to finish bloblist (ret=%d)\n",
 676                                ret);
 677         }
 678
 679 #ifdef CONFIG_CPU_V7M
 680         spl_image.entry_point |= 0x1;
 681 #endif
 682         switch (spl_image.os) {
 683         case IH_OS_U_BOOT:
 684                 debug("Jumping to U-Boot\n");
 685                 break;
 686 #if CONFIG_IS_ENABLED(ATF)
 687         case IH_OS_ARM_TRUSTED_FIRMWARE:
 688                 debug("Jumping to U-Boot via ARM Trusted Firmware\n");
 689                 spl_fixup_fdt(spl_image.fdt_addr);
 690                 spl_invoke_atf(&spl_image);
 691                 break;
 692 #endif
 693 #if CONFIG_IS_ENABLED(OPTEE)
 694         case IH_OS_TEE:
 695                 debug("Jumping to U-Boot via OP-TEE\n");
 696                 spl_optee_entry(NULL, NULL, spl_image.fdt_addr,
 697                                 (void *)spl_image.entry_point);
 698                 break;
 699 #endif
 700 #if CONFIG_IS_ENABLED(OPENSBI)
 701         case IH_OS_OPENSBI:
 702                 debug("Jumping to U-Boot via RISC-V OpenSBI\n");
 703                 spl_invoke_opensbi(&spl_image);
 704                 break;
 705 #endif
 706 #ifdef CONFIG_SPL_OS_BOOT
 707         case IH_OS_LINUX:
 708                 debug("Jumping to Linux\n");
 709 #if defined(CONFIG_SYS_SPL_ARGS_ADDR)
 710                 spl_fixup_fdt((void *)CONFIG_SYS_SPL_ARGS_ADDR);
 711 #endif
 712                 spl_board_prepare_for_linux();
 713                 jump_to_image_linux(&spl_image);
 714 #endif
 715         default:
 716                 debug("Unsupported OS image.. Jumping nevertheless..\n");
 717         }
 718 #if CONFIG_VAL(SYS_MALLOC_F_LEN) && !defined(CONFIG_SYS_SPL_MALLOC_SIZE)
 719         debug("SPL malloc() used 0x%lx bytes (%ld KB)\n", gd->malloc_ptr,
 720               gd->malloc_ptr / 1024);
 721 #endif
 722         bootstage_mark_name(spl_phase() == PHASE_TPL ? BOOTSTAGE_ID_END_TPL :
 723                             BOOTSTAGE_ID_END_SPL, "end " SPL_TPL_NAME);
 724 #ifdef CONFIG_BOOTSTAGE_STASH
 725         ret = bootstage_stash((void *)CONFIG_BOOTSTAGE_STASH_ADDR,
 726                               CONFIG_BOOTSTAGE_STASH_SIZE);
 727         if (ret)
 728                 debug("Failed to stash bootstage: err=%d\n", ret);
 729 #endif
 730
 731         debug("loaded - jumping to U-Boot...\n");
 732         spl_board_prepare_for_boot();
 733         jump_to_image_no_args(&spl_image);
 734 }
 735
 736 /*
 737  * This requires UART clocks to be enabled.  In order for this to work the
 738  * caller must ensure that the gd pointer is valid.
 739  */
 740 void preloader_console_init(void)
 741 {
 742 #ifdef CONFIG_SPL_SERIAL_SUPPORT
 743         gd->baudrate = CONFIG_BAUDRATE;
 744
 745         serial_init();          /* serial communications setup */
 746
 747         gd->have_console = 1;
 748
 749 #if CONFIG_IS_ENABLED(BANNER_PRINT)
 750         puts("\nU-Boot " SPL_TPL_NAME " " PLAIN_VERSION " (" U_BOOT_DATE " - "
 751              U_BOOT_TIME " " U_BOOT_TZ ")\n");
 752 #endif
 753 #ifdef CONFIG_SPL_DISPLAY_PRINT
 754         spl_display_print();
 755 #endif
 756 #endif
 757 }
 758
 759 /**
 760  * This function is called before the stack is changed from initial stack to
 761  * relocated stack. It tries to dump the stack size used
 762  */
 763 __weak void spl_relocate_stack_check(void)
 764 {
 765 #if CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE)
 766         ulong init_sp = gd->start_addr_sp;
 767         ulong stack_bottom = init_sp - CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK);
 768         u8 *ptr = (u8 *)stack_bottom;
 769         ulong i;
 770
 771         for (i = 0; i < CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK); i++) {
 772                 if (*ptr != CONFIG_VAL(SYS_STACK_F_CHECK_BYTE))
 773                         break;
 774                 ptr++;
 775         }
 776         printf("SPL initial stack usage: %lu bytes\n",
 777                CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK) - i);
 778 #endif
 779 }
 780
 781 /**
 782  * spl_relocate_stack_gd() - Relocate stack ready for board_init_r() execution
 783  *
 784  * Sometimes board_init_f() runs with a stack in SRAM but we want to use SDRAM
 785  * for the main board_init_r() execution. This is typically because we need
 786  * more stack space for things like the MMC sub-system.
 787  *
 788  * This function calculates the stack position, copies the global_data into
 789  * place, sets the new gd (except for ARM, for which setting GD within a C
 790  * function may not always work) and returns the new stack position. The
 791  * caller is responsible for setting up the sp register and, in the case
 792  * of ARM, setting up gd.
 793  *
 794  * All of this is done using the same layout and alignments as done in
 795  * board_init_f_init_reserve() / board_init_f_alloc_reserve().
 796  *
 797  * @return new stack location, or 0 to use the same stack
 798  */
 799 ulong spl_relocate_stack_gd(void)
 800 {
 801 #ifdef CONFIG_SPL_STACK_R
 802         gd_t *new_gd;
 803         ulong ptr = CONFIG_SPL_STACK_R_ADDR;
 804
 805         if (CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE))
 806                 spl_relocate_stack_check();
 807
 808 #if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_VAL(SYS_MALLOC_F_LEN)
 809         if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
 810                 debug("SPL malloc() before relocation used 0x%lx bytes (%ld KB)\n",
 811                       gd->malloc_ptr, gd->malloc_ptr / 1024);
 812                 ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
 813                 gd->malloc_base = ptr;
 814                 gd->malloc_limit = CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
 815                 gd->malloc_ptr = 0;
 816         }
 817 #endif
 818         /* Get stack position: use 8-byte alignment for ABI compliance */
 819         ptr = CONFIG_SPL_STACK_R_ADDR - roundup(sizeof(gd_t),16);
 820         new_gd = (gd_t *)ptr;
 821         memcpy(new_gd, (void *)gd, sizeof(gd_t));
 822 #if CONFIG_IS_ENABLED(DM)
 823         dm_fixup_for_gd_move(new_gd);
 824 #endif
 825 #if !defined(CONFIG_ARM) && !defined(CONFIG_RISCV)
 826         gd = new_gd;
 827 #endif
 828         return ptr;
 829 #else
 830         return 0;
 831 #endif
 832 }
 833
 834 #if defined(CONFIG_BOOTCOUNT_LIMIT) && !defined(CONFIG_SPL_BOOTCOUNT_LIMIT)
 835 void bootcount_store(ulong a)
 836 {
 837 }
 838
 839 ulong bootcount_load(void)
 840 {
 841         return 0;
 842 }
 843 #endif