1 /* 2 * Copyright (c) 2011 The Chromium OS Authors. 3 * (C) Copyright 2002-2006 4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 5 * 6 * (C) Copyright 2002 7 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> 8 * Marius Groeger <mgroeger@sysgo.de> 9 * 10 * SPDX-License-Identifier: GPL-2.0+ 11 */ 12 13 #include <common.h> 14 #include <api.h> 15 /* TODO: can we just include all these headers whether needed or not? */ 16 #if defined(CONFIG_CMD_BEDBUG) 17 #include <bedbug/type.h> 18 #endif 19 #include <command.h> 20 #include <console.h> 21 #include <dm.h> 22 #include <environment.h> 23 #include <fdtdec.h> 24 #include <ide.h> 25 #include <initcall.h> 26 #include <init_helpers.h> 27 #ifdef CONFIG_PS2KBD 28 #include <keyboard.h> 29 #endif 30 #if defined(CONFIG_CMD_KGDB) 31 #include <kgdb.h> 32 #endif 33 #include <malloc.h> 34 #include <mapmem.h> 35 #include <memalign.h> 36 #ifdef CONFIG_BITBANGMII 37 #include <miiphy.h> 38 #endif 39 #include <mmc.h> 40 #include <nand.h> 41 #include <of_live.h> 42 #include <onenand_uboot.h> 43 #include <scsi.h> 44 #include <serial.h> 45 #include <spi.h> 46 #include <stdio_dev.h> 47 #include <timer.h> 48 #include <trace.h> 49 #include <watchdog.h> 50 #ifdef CONFIG_ADDR_MAP 51 #include <asm/mmu.h> 52 #endif 53 #include <asm/sections.h> 54 #include <dm/root.h> 55 #include <linux/compiler.h> 56 #include <linux/err.h> 57 #include <efi_loader.h> 58 #include <sysmem.h> 59 #include <bidram.h> 60 61 DECLARE_GLOBAL_DATA_PTR; 62 63 ulong monitor_flash_len; 64 65 __weak int board_flash_wp_on(void) 66 { 67 /* 68 * Most flashes can't be detected when write protection is enabled, 69 * so provide a way to let U-Boot gracefully ignore write protected 70 * devices. 71 */ 72 return 0; 73 } 74 75 __weak void cpu_secondary_init_r(void) 76 { 77 } 78 79 static int initr_secondary_cpu(void) 80 { 81 /* 82 * after non-volatile devices & environment is setup and cpu code have 83 * another round to deal with any initialization that might require 84 * full access to the environment or loading of some image (firmware) 85 * from a non-volatile device 86 */ 87 /* TODO: maybe define this for all archs? */ 88 cpu_secondary_init_r(); 89 90 return 0; 91 } 92 93 static int initr_trace(void) 94 { 95 #ifdef CONFIG_TRACE 96 trace_init(gd->trace_buff, CONFIG_TRACE_BUFFER_SIZE); 97 #endif 98 99 return 0; 100 } 101 102 static int initr_reloc(void) 103 { 104 /* tell others: relocation done */ 105 gd->flags |= GD_FLG_RELOC | GD_FLG_FULL_MALLOC_INIT; 106 107 return 0; 108 } 109 110 #ifdef CONFIG_ARM 111 /* 112 * Some of these functions are needed purely because the functions they 113 * call return void. If we change them to return 0, these stubs can go away. 114 */ 115 static int initr_caches(void) 116 { 117 /* Enable caches */ 118 enable_caches(); 119 return 0; 120 } 121 #endif 122 123 __weak int fixup_cpu(void) 124 { 125 return 0; 126 } 127 128 static int initr_reloc_global_data(void) 129 { 130 #ifdef __ARM__ 131 monitor_flash_len = _end - __image_copy_start; 132 #elif defined(CONFIG_NDS32) || defined(CONFIG_RISCV) 133 monitor_flash_len = (ulong)&_end - (ulong)&_start; 134 #elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2) 135 monitor_flash_len = (ulong)&__init_end - gd->relocaddr; 136 #endif 137 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) 138 /* 139 * The gd->cpu pointer is set to an address in flash before relocation. 140 * We need to update it to point to the same CPU entry in RAM. 141 * TODO: why not just add gd->reloc_ofs? 142 */ 143 gd->arch.cpu += gd->relocaddr - CONFIG_SYS_MONITOR_BASE; 144 145 /* 146 * If we didn't know the cpu mask & # cores, we can save them of 147 * now rather than 'computing' them constantly 148 */ 149 fixup_cpu(); 150 #endif 151 #ifdef CONFIG_SYS_EXTRA_ENV_RELOC 152 /* 153 * Some systems need to relocate the env_addr pointer early because the 154 * location it points to will get invalidated before env_relocate is 155 * called. One example is on systems that might use a L2 or L3 cache 156 * in SRAM mode and initialize that cache from SRAM mode back to being 157 * a cache in cpu_init_r. 158 */ 159 gd->env_addr += gd->relocaddr - CONFIG_SYS_MONITOR_BASE; 160 #endif 161 #ifdef CONFIG_OF_EMBED 162 /* 163 * The fdt_blob needs to be moved to new relocation address 164 * incase of FDT blob is embedded with in image 165 */ 166 gd->fdt_blob += gd->reloc_off; 167 #endif 168 #ifdef CONFIG_EFI_LOADER 169 efi_runtime_relocate(gd->relocaddr, NULL); 170 #endif 171 172 return 0; 173 } 174 175 static int initr_serial(void) 176 { 177 serial_initialize(); 178 return 0; 179 } 180 181 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS) 182 static int initr_trap(void) 183 { 184 /* 185 * Setup trap handlers 186 */ 187 #if defined(CONFIG_PPC) 188 trap_init(gd->relocaddr); 189 #else 190 trap_init(CONFIG_SYS_SDRAM_BASE); 191 #endif 192 return 0; 193 } 194 #endif 195 196 #ifdef CONFIG_ADDR_MAP 197 static int initr_addr_map(void) 198 { 199 init_addr_map(); 200 201 return 0; 202 } 203 #endif 204 205 #ifdef CONFIG_POST 206 static int initr_post_backlog(void) 207 { 208 post_output_backlog(); 209 return 0; 210 } 211 #endif 212 213 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) 214 static int initr_unlock_ram_in_cache(void) 215 { 216 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */ 217 return 0; 218 } 219 #endif 220 221 #ifdef CONFIG_PCI 222 static int initr_pci(void) 223 { 224 #ifndef CONFIG_DM_PCI 225 pci_init(); 226 #endif 227 228 return 0; 229 } 230 #endif 231 232 static int initr_barrier(void) 233 { 234 #ifdef CONFIG_PPC 235 /* TODO: Can we not use dmb() macros for this? */ 236 asm("sync ; isync"); 237 #endif 238 return 0; 239 } 240 241 static int initr_malloc(void) 242 { 243 ulong malloc_start; 244 245 #if CONFIG_VAL(SYS_MALLOC_F_LEN) 246 debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr, 247 gd->malloc_ptr / 1024); 248 #endif 249 /* The malloc area is immediately below the monitor copy in DRAM */ 250 malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN; 251 mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN), 252 TOTAL_MALLOC_LEN); 253 return 0; 254 } 255 256 static int initr_console_record(void) 257 { 258 #if defined(CONFIG_CONSOLE_RECORD) 259 int ret; 260 261 ret = console_record_init(); 262 if (!ret) 263 console_record_reset_enable(); 264 return ret; 265 #else 266 return 0; 267 #endif 268 } 269 270 #ifdef CONFIG_SYS_NONCACHED_MEMORY 271 static int initr_noncached(void) 272 { 273 noncached_init(); 274 return 0; 275 } 276 #endif 277 278 #ifdef CONFIG_OF_LIVE 279 static int initr_of_live(void) 280 { 281 int ret; 282 283 bootstage_start(BOOTSTAGE_ID_ACCUM_OF_LIVE, "of_live"); 284 ret = of_live_build(gd->fdt_blob, (struct device_node **)&gd->of_root); 285 bootstage_accum(BOOTSTAGE_ID_ACCUM_OF_LIVE); 286 if (ret) 287 return ret; 288 289 return 0; 290 } 291 #endif 292 293 #ifdef CONFIG_DM 294 static int initr_dm(void) 295 { 296 int ret; 297 298 /* Save the pre-reloc driver model and start a new one */ 299 gd->dm_root_f = gd->dm_root; 300 gd->dm_root = NULL; 301 #ifdef CONFIG_TIMER 302 gd->timer = NULL; 303 #endif 304 bootstage_start(BOOTSTATE_ID_ACCUM_DM_R, "dm_r"); 305 ret = dm_init_and_scan(false); 306 bootstage_accum(BOOTSTATE_ID_ACCUM_DM_R); 307 if (ret) 308 return ret; 309 #ifdef CONFIG_TIMER_EARLY 310 ret = dm_timer_init(); 311 if (ret) 312 return ret; 313 #endif 314 315 return 0; 316 } 317 #endif 318 319 static int initr_bootstage(void) 320 { 321 bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r"); 322 323 return 0; 324 } 325 326 __weak int power_init_board(void) 327 { 328 return 0; 329 } 330 331 static int initr_announce(void) 332 { 333 ulong addr; 334 335 #ifndef CONFIG_SKIP_RELOCATE_UBOOT 336 addr = gd->relocaddr; 337 #else 338 addr = CONFIG_SYS_TEXT_BASE; 339 #endif 340 debug("Now running in RAM - U-Boot at: %08lx\n", addr); 341 342 return 0; 343 } 344 345 #ifdef CONFIG_NEEDS_MANUAL_RELOC 346 static int initr_manual_reloc_cmdtable(void) 347 { 348 fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd), 349 ll_entry_count(cmd_tbl_t, cmd)); 350 return 0; 351 } 352 #endif 353 354 #if defined(CONFIG_MTD_NOR_FLASH) 355 static int initr_flash(void) 356 { 357 ulong flash_size = 0; 358 bd_t *bd = gd->bd; 359 360 puts("Flash: "); 361 362 if (board_flash_wp_on()) 363 printf("Uninitialized - Write Protect On\n"); 364 else 365 flash_size = flash_init(); 366 367 print_size(flash_size, ""); 368 #ifdef CONFIG_SYS_FLASH_CHECKSUM 369 /* 370 * Compute and print flash CRC if flashchecksum is set to 'y' 371 * 372 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX 373 */ 374 if (env_get_yesno("flashchecksum") == 1) { 375 printf(" CRC: %08X", crc32(0, 376 (const unsigned char *) CONFIG_SYS_FLASH_BASE, 377 flash_size)); 378 } 379 #endif /* CONFIG_SYS_FLASH_CHECKSUM */ 380 putc('\n'); 381 382 /* update start of FLASH memory */ 383 #ifdef CONFIG_SYS_FLASH_BASE 384 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; 385 #endif 386 /* size of FLASH memory (final value) */ 387 bd->bi_flashsize = flash_size; 388 389 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) 390 /* Make a update of the Memctrl. */ 391 update_flash_size(flash_size); 392 #endif 393 394 395 #if defined(CONFIG_OXC) || defined(CONFIG_RMU) 396 /* flash mapped at end of memory map */ 397 bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size; 398 #elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE 399 bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */ 400 #endif 401 return 0; 402 } 403 #endif 404 405 #if defined(CONFIG_PPC) && !defined(CONFIG_DM_SPI) 406 static int initr_spi(void) 407 { 408 /* MPC8xx does this here */ 409 #ifdef CONFIG_MPC8XX_SPI 410 #if !defined(CONFIG_ENV_IS_IN_EEPROM) 411 spi_init_f(); 412 #endif 413 spi_init_r(); 414 #endif 415 return 0; 416 } 417 #endif 418 419 #ifdef CONFIG_CMD_NAND 420 /* go init the NAND */ 421 static int initr_nand(void) 422 { 423 #ifndef CONFIG_USING_KERNEL_DTB 424 puts("NAND: "); 425 nand_init(); 426 printf("%lu MiB\n", nand_size() / 1024); 427 #endif 428 return 0; 429 } 430 #endif 431 432 #if defined(CONFIG_CMD_ONENAND) 433 /* go init the NAND */ 434 static int initr_onenand(void) 435 { 436 puts("NAND: "); 437 onenand_init(); 438 return 0; 439 } 440 #endif 441 442 #ifdef CONFIG_MMC 443 static int initr_mmc(void) 444 { 445 /* 446 * When CONFIG_USING_KERNEL_DTB is enabled, mmc has been initialized earlier. 447 */ 448 #ifndef CONFIG_USING_KERNEL_DTB 449 puts("MMC: "); 450 mmc_initialize(gd->bd); 451 #endif 452 return 0; 453 } 454 #endif 455 456 #if !defined(CONFIG_USING_KERNEL_DTB) || !defined(CONFIG_ENV_IS_NOWHERE) 457 /* 458 * Tell if it's OK to load the environment early in boot. 459 * 460 * If CONFIG_OF_CONTROL is defined, we'll check with the FDT to see 461 * if this is OK (defaulting to saying it's OK). 462 * 463 * NOTE: Loading the environment early can be a bad idea if security is 464 * important, since no verification is done on the environment. 465 * 466 * @return 0 if environment should not be loaded, !=0 if it is ok to load 467 */ 468 static int should_load_env(void) 469 { 470 #ifdef CONFIG_OF_CONTROL 471 return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1); 472 #elif defined CONFIG_DELAY_ENVIRONMENT 473 return 0; 474 #else 475 return 1; 476 #endif 477 } 478 479 static int initr_env(void) 480 { 481 /* initialize environment */ 482 if (should_load_env()) 483 env_relocate(); 484 else 485 set_default_env(NULL); 486 #ifdef CONFIG_OF_CONTROL 487 env_set_addr("fdtcontroladdr", gd->fdt_blob); 488 #endif 489 490 /* Initialize from environment */ 491 load_addr = env_get_ulong("loadaddr", 16, load_addr); 492 493 return 0; 494 } 495 #endif 496 497 #ifdef CONFIG_USING_KERNEL_DTB 498 /* 499 * If !defined(CONFIG_ENV_IS_NOWHERE): 500 * 501 * Storage env or kernel dtb load depends on bootdev, while bootdev 502 * depends on env varname: devtype, devnum and rkimg_bootdev, etc. 503 * So we have to use nowhere env firstly and cover the storage env 504 * after it is loaded. 505 * 506 * Providing a minimum and necessary nowhere env for board init to 507 * avoid covering the other varnames in storage env. 508 */ 509 static int initr_env_nowhere(void) 510 { 511 #ifdef CONFIG_ENV_IS_NOWHERE 512 set_default_env(NULL); 513 return 0; 514 #else 515 const char env_minimum[] = { 516 ENV_MEM_LAYOUT_SETTINGS 517 #ifdef ENV_MEM_LAYOUT_SETTINGS1 518 ENV_MEM_LAYOUT_SETTINGS1 519 #endif 520 #ifdef RKIMG_DET_BOOTDEV 521 RKIMG_DET_BOOTDEV 522 #endif 523 }; 524 525 return set_board_env((char *)env_minimum, ENV_SIZE, 0, true); 526 #endif 527 } 528 529 #if !defined(CONFIG_ENV_IS_NOWHERE) 530 /* 531 * storage has been initialized in board_init(), we could switch env 532 * from nowhere to storage, i.e. CONFIG_ENV_IS_IN_xxx=y. 533 */ 534 static int initr_env_switch(void) 535 { 536 ALLOC_CACHE_ALIGN_BUFFER(env_t, env_nowhere, 1); 537 char *data; 538 int ret; 539 540 data = env_get("bootargs"); 541 if (data) { 542 env_set("bootargs_tmp", data); 543 env_set("bootargs", NULL); 544 } 545 546 /* Export nowhere env for late use */ 547 ret = env_export(env_nowhere); 548 if (ret) { 549 printf("%s: export nowhere env fail, ret=%d\n", __func__, ret); 550 return -EINVAL; 551 } 552 553 /* Destroy nowhere env and import storage env */ 554 initr_env(); 555 556 /* Append/override nowhere env to storage env */ 557 set_board_env((char *)env_nowhere->data, ENV_SIZE, H_NOCLEAR, false); 558 559 /* 560 * Restore nowhere bootargs to append/override the one in env storage. 561 * 562 * Without this, the entire "bootargs" in storage env is replaces by 563 * the one in env_nowhere->data. 564 */ 565 data = env_get("bootargs_tmp"); 566 if (data) { 567 env_update("bootargs", data); 568 env_set("bootargs_tmp", NULL); 569 } 570 571 return 0; 572 } 573 #endif /* CONFIG_ENV_IS_NOWHERE */ 574 #endif /* CONFIG_USING_KERNEL_DTB */ 575 576 #ifdef CONFIG_SYS_BOOTPARAMS_LEN 577 static int initr_malloc_bootparams(void) 578 { 579 gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN); 580 if (!gd->bd->bi_boot_params) { 581 puts("WARNING: Cannot allocate space for boot parameters\n"); 582 return -ENOMEM; 583 } 584 return 0; 585 } 586 #endif 587 588 static int initr_jumptable(void) 589 { 590 jumptable_init(); 591 return 0; 592 } 593 594 #if defined(CONFIG_API) 595 static int initr_api(void) 596 { 597 /* Initialize API */ 598 api_init(); 599 return 0; 600 } 601 #endif 602 603 /* enable exceptions */ 604 #ifdef CONFIG_ARM 605 static int initr_enable_interrupts(void) 606 { 607 enable_interrupts(); 608 return 0; 609 } 610 #endif 611 612 #ifdef CONFIG_CMD_NET 613 static int initr_ethaddr(void) 614 { 615 bd_t *bd = gd->bd; 616 617 /* kept around for legacy kernels only ... ignore the next section */ 618 eth_env_get_enetaddr("ethaddr", bd->bi_enetaddr); 619 #ifdef CONFIG_HAS_ETH1 620 eth_env_get_enetaddr("eth1addr", bd->bi_enet1addr); 621 #endif 622 #ifdef CONFIG_HAS_ETH2 623 eth_env_get_enetaddr("eth2addr", bd->bi_enet2addr); 624 #endif 625 #ifdef CONFIG_HAS_ETH3 626 eth_env_get_enetaddr("eth3addr", bd->bi_enet3addr); 627 #endif 628 #ifdef CONFIG_HAS_ETH4 629 eth_env_get_enetaddr("eth4addr", bd->bi_enet4addr); 630 #endif 631 #ifdef CONFIG_HAS_ETH5 632 eth_env_get_enetaddr("eth5addr", bd->bi_enet5addr); 633 #endif 634 return 0; 635 } 636 #endif /* CONFIG_CMD_NET */ 637 638 #ifdef CONFIG_CMD_KGDB 639 static int initr_kgdb(void) 640 { 641 puts("KGDB: "); 642 kgdb_init(); 643 return 0; 644 } 645 #endif 646 647 #if defined(CONFIG_LED_STATUS) 648 static int initr_status_led(void) 649 { 650 #if defined(CONFIG_LED_STATUS_BOOT) 651 status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_BLINKING); 652 #else 653 status_led_init(); 654 #endif 655 return 0; 656 } 657 #endif 658 659 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI) 660 static int initr_scsi(void) 661 { 662 puts("SCSI: "); 663 scsi_init(); 664 665 return 0; 666 } 667 #endif 668 669 #ifdef CONFIG_BITBANGMII 670 static int initr_bbmii(void) 671 { 672 bb_miiphy_init(); 673 return 0; 674 } 675 #endif 676 677 #ifdef CONFIG_CMD_NET 678 static int initr_net(void) 679 { 680 puts("Net: "); 681 eth_initialize(); 682 #if defined(CONFIG_RESET_PHY_R) 683 debug("Reset Ethernet PHY\n"); 684 reset_phy(); 685 #endif 686 return 0; 687 } 688 #endif 689 690 #ifdef CONFIG_POST 691 static int initr_post(void) 692 { 693 post_run(NULL, POST_RAM | post_bootmode_get(0)); 694 return 0; 695 } 696 #endif 697 698 #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE) 699 static int initr_pcmcia(void) 700 { 701 puts("PCMCIA:"); 702 pcmcia_init(); 703 return 0; 704 } 705 #endif 706 707 #if defined(CONFIG_IDE) 708 static int initr_ide(void) 709 { 710 puts("IDE: "); 711 #if defined(CONFIG_START_IDE) 712 if (board_start_ide()) 713 ide_init(); 714 #else 715 ide_init(); 716 #endif 717 return 0; 718 } 719 #endif 720 721 #if defined(CONFIG_PRAM) 722 /* 723 * Export available size of memory for Linux, taking into account the 724 * protected RAM at top of memory 725 */ 726 int initr_mem(void) 727 { 728 ulong pram = 0; 729 char memsz[32]; 730 731 # ifdef CONFIG_PRAM 732 pram = env_get_ulong("pram", 10, CONFIG_PRAM); 733 # endif 734 sprintf(memsz, "%ldk", (long int) ((gd->ram_size / 1024) - pram)); 735 env_set("mem", memsz); 736 737 return 0; 738 } 739 #endif 740 741 #ifdef CONFIG_CMD_BEDBUG 742 static int initr_bedbug(void) 743 { 744 bedbug_init(); 745 746 return 0; 747 } 748 #endif 749 750 #ifdef CONFIG_PS2KBD 751 static int initr_kbd(void) 752 { 753 puts("PS/2: "); 754 kbd_init(); 755 return 0; 756 } 757 #endif 758 759 __weak int interrupt_debugger_init(void) 760 { 761 return 0; 762 } 763 764 __weak int board_initr_caches_fixup(void) 765 { 766 return 0; 767 } 768 769 static int run_main_loop(void) 770 { 771 #ifdef CONFIG_SANDBOX 772 sandbox_main_loop_init(); 773 #endif 774 /* main_loop() can return to retry autoboot, if so just run it again */ 775 for (;;) 776 main_loop(); 777 return 0; 778 } 779 780 /* 781 * Over time we hope to remove these functions with code fragments and 782 * stub funtcions, and instead call the relevant function directly. 783 * 784 * We also hope to remove most of the driver-related init and do it if/when 785 * the driver is later used. 786 * 787 * TODO: perhaps reset the watchdog in the initcall function after each call? 788 */ 789 static init_fnc_t init_sequence_r[] = { 790 initr_trace, 791 initr_reloc, 792 /* TODO: could x86/PPC have this also perhaps? */ 793 #ifdef CONFIG_ARM 794 initr_caches, 795 /* Note: For Freescale LS2 SoCs, new MMU table is created in DDR. 796 * A temporary mapping of IFC high region is since removed, 797 * so environmental variables in NOR flash is not availble 798 * until board_init() is called below to remap IFC to high 799 * region. 800 */ 801 #endif 802 initr_reloc_global_data, 803 804 /* 805 * Some platform requires to reserve memory regions for some firmware 806 * to avoid kernel touches it, but U-Boot may have communication with 807 * firmware by share memory. So that we had better reserve firmware 808 * region after the initr_caches() which enables MMU and init 809 * translation table, we need firmware region to be mapped as cacheable 810 * like other regions, otherwise there would be dcache coherence issue 811 * between firmware and U-Boot. 812 */ 813 board_initr_caches_fixup, 814 815 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) 816 initr_unlock_ram_in_cache, 817 #endif 818 initr_barrier, 819 initr_malloc, 820 #ifdef CONFIG_BIDRAM 821 bidram_initr, 822 #endif 823 #ifdef CONFIG_SYSMEM 824 sysmem_initr, 825 #endif 826 log_init, 827 initr_bootstage, /* Needs malloc() but has its own timer */ 828 initr_console_record, 829 #ifdef CONFIG_SYS_NONCACHED_MEMORY 830 initr_noncached, 831 #endif 832 bootstage_relocate, 833 834 interrupt_init, 835 #ifdef CONFIG_ARM 836 initr_enable_interrupts, 837 #endif 838 interrupt_debugger_init, 839 840 #ifdef CONFIG_OF_LIVE 841 initr_of_live, 842 #endif 843 #ifdef CONFIG_DM 844 initr_dm, 845 #endif 846 847 #ifdef CONFIG_USING_KERNEL_DTB 848 initr_env_nowhere, 849 #endif 850 #if defined(CONFIG_BOARD_EARLY_INIT_R) 851 board_early_init_r, 852 #endif 853 854 #if defined(CONFIG_ARM) || defined(CONFIG_NDS32) || defined(CONFIG_RISCV) 855 board_init, /* Setup chipselects */ 856 #endif 857 858 #if defined(CONFIG_USING_KERNEL_DTB) && !defined(CONFIG_ENV_IS_NOWHERE) 859 initr_env_switch, 860 #endif 861 862 /* 863 * TODO: printing of the clock inforamtion of the board is now 864 * implemented as part of bdinfo command. Currently only support for 865 * davinci SOC's is added. Remove this check once all the board 866 * implement this. 867 */ 868 #ifdef CONFIG_CLOCKS 869 set_cpu_clk_info, /* Setup clock information */ 870 #endif 871 #ifdef CONFIG_EFI_LOADER 872 efi_memory_init, 873 #endif 874 stdio_init_tables, 875 initr_serial, 876 initr_announce, 877 INIT_FUNC_WATCHDOG_RESET 878 #ifdef CONFIG_NEEDS_MANUAL_RELOC 879 initr_manual_reloc_cmdtable, 880 #endif 881 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS) 882 initr_trap, 883 #endif 884 #ifdef CONFIG_ADDR_MAP 885 initr_addr_map, 886 #endif 887 INIT_FUNC_WATCHDOG_RESET 888 #ifdef CONFIG_POST 889 initr_post_backlog, 890 #endif 891 INIT_FUNC_WATCHDOG_RESET 892 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT) 893 /* 894 * Do early PCI configuration _before_ the flash gets initialised, 895 * because PCU ressources are crucial for flash access on some boards. 896 */ 897 initr_pci, 898 #endif 899 #ifdef CONFIG_ARCH_EARLY_INIT_R 900 arch_early_init_r, 901 #endif 902 power_init_board, 903 #ifdef CONFIG_MTD_NOR_FLASH 904 initr_flash, 905 #endif 906 INIT_FUNC_WATCHDOG_RESET 907 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86) 908 /* initialize higher level parts of CPU like time base and timers */ 909 cpu_init_r, 910 #endif 911 #ifdef CONFIG_PPC 912 initr_spi, 913 #endif 914 #ifdef CONFIG_CMD_NAND 915 initr_nand, 916 #endif 917 #ifdef CONFIG_CMD_ONENAND 918 initr_onenand, 919 #endif 920 #ifdef CONFIG_MMC 921 initr_mmc, 922 #endif 923 #ifndef CONFIG_USING_KERNEL_DTB 924 initr_env, 925 #endif 926 #ifdef CONFIG_SYS_BOOTPARAMS_LEN 927 initr_malloc_bootparams, 928 #endif 929 INIT_FUNC_WATCHDOG_RESET 930 initr_secondary_cpu, 931 #if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET) 932 mac_read_from_eeprom, 933 #endif 934 INIT_FUNC_WATCHDOG_RESET 935 #if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT) 936 /* 937 * Do pci configuration 938 */ 939 initr_pci, 940 #endif 941 stdio_add_devices, 942 initr_jumptable, 943 #ifdef CONFIG_API 944 initr_api, 945 #endif 946 console_init_r, /* fully init console as a device */ 947 #ifdef CONFIG_DISPLAY_BOARDINFO_LATE 948 console_announce_r, 949 show_board_info, 950 #endif 951 #ifdef CONFIG_ARCH_MISC_INIT 952 arch_misc_init, /* miscellaneous arch-dependent init */ 953 #endif 954 #ifdef CONFIG_MISC_INIT_R 955 misc_init_r, /* miscellaneous platform-dependent init */ 956 #endif 957 INIT_FUNC_WATCHDOG_RESET 958 #ifdef CONFIG_CMD_KGDB 959 initr_kgdb, 960 #endif 961 962 #if defined(CONFIG_MICROBLAZE) || defined(CONFIG_M68K) 963 timer_init, /* initialize timer */ 964 #endif 965 #if defined(CONFIG_LED_STATUS) 966 initr_status_led, 967 #endif 968 /* PPC has a udelay(20) here dating from 2002. Why? */ 969 #ifdef CONFIG_CMD_NET 970 initr_ethaddr, 971 #endif 972 #ifdef CONFIG_BOARD_LATE_INIT 973 board_late_init, 974 #endif 975 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI) 976 INIT_FUNC_WATCHDOG_RESET 977 initr_scsi, 978 #endif 979 #ifdef CONFIG_BITBANGMII 980 initr_bbmii, 981 #endif 982 #ifdef CONFIG_CMD_NET 983 INIT_FUNC_WATCHDOG_RESET 984 initr_net, 985 #endif 986 #ifdef CONFIG_POST 987 initr_post, 988 #endif 989 #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE) 990 initr_pcmcia, 991 #endif 992 #if defined(CONFIG_IDE) 993 initr_ide, 994 #endif 995 #ifdef CONFIG_LAST_STAGE_INIT 996 INIT_FUNC_WATCHDOG_RESET 997 /* 998 * Some parts can be only initialized if all others (like 999 * Interrupts) are up and running (i.e. the PC-style ISA 1000 * keyboard). 1001 */ 1002 last_stage_init, 1003 #endif 1004 #ifdef CONFIG_CMD_BEDBUG 1005 INIT_FUNC_WATCHDOG_RESET 1006 initr_bedbug, 1007 #endif 1008 #if defined(CONFIG_PRAM) 1009 initr_mem, 1010 #endif 1011 #ifdef CONFIG_PS2KBD 1012 initr_kbd, 1013 #endif 1014 run_main_loop, 1015 }; 1016 1017 void board_init_r(gd_t *new_gd, ulong dest_addr) 1018 { 1019 /* 1020 * Set up the new global data pointer. So far only x86 does this 1021 * here. 1022 * TODO(sjg@chromium.org): Consider doing this for all archs, or 1023 * dropping the new_gd parameter. 1024 */ 1025 #if CONFIG_IS_ENABLED(X86_64) 1026 arch_setup_gd(new_gd); 1027 #endif 1028 1029 #ifdef CONFIG_NEEDS_MANUAL_RELOC 1030 int i; 1031 #endif 1032 1033 #if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64) 1034 gd = new_gd; 1035 #endif 1036 gd->flags &= ~GD_FLG_LOG_READY; 1037 1038 #ifdef CONFIG_NEEDS_MANUAL_RELOC 1039 for (i = 0; i < ARRAY_SIZE(init_sequence_r); i++) 1040 init_sequence_r[i] += gd->reloc_off; 1041 #endif 1042 1043 if (initcall_run_list(init_sequence_r)) 1044 hang(); 1045 1046 /* NOTREACHED - run_main_loop() does not return */ 1047 hang(); 1048 } 1049