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