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 #ifdef CONFIG_MTD_BLK 457 static int initr_mtd_blk(void) 458 { 459 #ifndef CONFIG_USING_KERNEL_DTB 460 struct blk_desc *dev_desc; 461 462 puts("mtd_blk: "); 463 dev_desc = rockchip_get_bootdev(); 464 if (dev_desc) 465 mtd_blk_map_partitions(dev_desc); 466 #endif 467 return 0; 468 } 469 #endif 470 471 #if !defined(CONFIG_USING_KERNEL_DTB) || !defined(CONFIG_ENV_IS_NOWHERE) 472 /* 473 * Tell if it's OK to load the environment early in boot. 474 * 475 * If CONFIG_OF_CONTROL is defined, we'll check with the FDT to see 476 * if this is OK (defaulting to saying it's OK). 477 * 478 * NOTE: Loading the environment early can be a bad idea if security is 479 * important, since no verification is done on the environment. 480 * 481 * @return 0 if environment should not be loaded, !=0 if it is ok to load 482 */ 483 static int should_load_env(void) 484 { 485 #ifdef CONFIG_OF_CONTROL 486 return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1); 487 #elif defined CONFIG_DELAY_ENVIRONMENT 488 return 0; 489 #else 490 return 1; 491 #endif 492 } 493 494 static int initr_env(void) 495 { 496 /* initialize environment */ 497 if (should_load_env()) 498 env_relocate(); 499 else 500 set_default_env(NULL); 501 #ifdef CONFIG_OF_CONTROL 502 env_set_addr("fdtcontroladdr", gd->fdt_blob); 503 #endif 504 505 /* Initialize from environment */ 506 load_addr = env_get_ulong("loadaddr", 16, load_addr); 507 508 return 0; 509 } 510 #endif 511 512 #ifdef CONFIG_USING_KERNEL_DTB 513 /* 514 * If !defined(CONFIG_ENV_IS_NOWHERE): 515 * 516 * Storage env or kernel dtb load depends on bootdev, while bootdev 517 * depends on env varname: devtype, devnum and rkimg_bootdev, etc. 518 * So we have to use nowhere env firstly and cover the storage env 519 * after it is loaded. 520 * 521 * Providing a minimum and necessary nowhere env for board init to 522 * avoid covering the other varnames in storage env. 523 */ 524 static int initr_env_nowhere(void) 525 { 526 #ifdef CONFIG_ENV_IS_NOWHERE 527 set_default_env(NULL); 528 return 0; 529 #else 530 const char env_minimum[] = { 531 ENV_MEM_LAYOUT_SETTINGS 532 #ifdef ENV_MEM_LAYOUT_SETTINGS1 533 ENV_MEM_LAYOUT_SETTINGS1 534 #endif 535 #ifdef RKIMG_DET_BOOTDEV 536 RKIMG_DET_BOOTDEV 537 #endif 538 }; 539 540 return set_board_env((char *)env_minimum, ENV_SIZE, 0, true); 541 #endif 542 } 543 544 #if !defined(CONFIG_ENV_IS_NOWHERE) 545 /* 546 * storage has been initialized in board_init(), we could switch env 547 * from nowhere to storage, i.e. CONFIG_ENV_IS_IN_xxx=y. 548 */ 549 static int initr_env_switch(void) 550 { 551 ALLOC_CACHE_ALIGN_BUFFER(env_t, env_nowhere, 1); 552 char *data; 553 int ret; 554 555 data = env_get("bootargs"); 556 if (data) { 557 env_set("bootargs_tmp", data); 558 env_set("bootargs", NULL); 559 } 560 561 /* Export nowhere env for late use */ 562 ret = env_export(env_nowhere); 563 if (ret) { 564 printf("%s: export nowhere env fail, ret=%d\n", __func__, ret); 565 return -EINVAL; 566 } 567 568 /* Destroy nowhere env and import storage env */ 569 initr_env(); 570 571 /* Append/override nowhere env to storage env */ 572 set_board_env((char *)env_nowhere->data, ENV_SIZE, H_NOCLEAR, false); 573 574 /* 575 * Restore nowhere bootargs to append/override the one in env storage. 576 * 577 * Without this, the entire "bootargs" in storage env is replaces by 578 * the one in env_nowhere->data. 579 */ 580 data = env_get("bootargs_tmp"); 581 if (data) { 582 env_update("bootargs", data); 583 env_set("bootargs_tmp", NULL); 584 } 585 586 return 0; 587 } 588 #endif /* CONFIG_ENV_IS_NOWHERE */ 589 #endif /* CONFIG_USING_KERNEL_DTB */ 590 591 #ifdef CONFIG_SYS_BOOTPARAMS_LEN 592 static int initr_malloc_bootparams(void) 593 { 594 gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN); 595 if (!gd->bd->bi_boot_params) { 596 puts("WARNING: Cannot allocate space for boot parameters\n"); 597 return -ENOMEM; 598 } 599 return 0; 600 } 601 #endif 602 603 static int initr_jumptable(void) 604 { 605 jumptable_init(); 606 return 0; 607 } 608 609 #if defined(CONFIG_API) 610 static int initr_api(void) 611 { 612 /* Initialize API */ 613 api_init(); 614 return 0; 615 } 616 #endif 617 618 /* enable exceptions */ 619 #ifdef CONFIG_ARM 620 static int initr_enable_interrupts(void) 621 { 622 enable_interrupts(); 623 return 0; 624 } 625 #endif 626 627 #ifdef CONFIG_CMD_NET 628 static int initr_ethaddr(void) 629 { 630 bd_t *bd = gd->bd; 631 632 /* kept around for legacy kernels only ... ignore the next section */ 633 eth_env_get_enetaddr("ethaddr", bd->bi_enetaddr); 634 #ifdef CONFIG_HAS_ETH1 635 eth_env_get_enetaddr("eth1addr", bd->bi_enet1addr); 636 #endif 637 #ifdef CONFIG_HAS_ETH2 638 eth_env_get_enetaddr("eth2addr", bd->bi_enet2addr); 639 #endif 640 #ifdef CONFIG_HAS_ETH3 641 eth_env_get_enetaddr("eth3addr", bd->bi_enet3addr); 642 #endif 643 #ifdef CONFIG_HAS_ETH4 644 eth_env_get_enetaddr("eth4addr", bd->bi_enet4addr); 645 #endif 646 #ifdef CONFIG_HAS_ETH5 647 eth_env_get_enetaddr("eth5addr", bd->bi_enet5addr); 648 #endif 649 return 0; 650 } 651 #endif /* CONFIG_CMD_NET */ 652 653 #ifdef CONFIG_CMD_KGDB 654 static int initr_kgdb(void) 655 { 656 puts("KGDB: "); 657 kgdb_init(); 658 return 0; 659 } 660 #endif 661 662 #if defined(CONFIG_LED_STATUS) 663 static int initr_status_led(void) 664 { 665 #if defined(CONFIG_LED_STATUS_BOOT) 666 status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_BLINKING); 667 #else 668 status_led_init(); 669 #endif 670 return 0; 671 } 672 #endif 673 674 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI) 675 static int initr_scsi(void) 676 { 677 puts("SCSI: "); 678 scsi_init(); 679 680 return 0; 681 } 682 #endif 683 684 #ifdef CONFIG_BITBANGMII 685 static int initr_bbmii(void) 686 { 687 bb_miiphy_init(); 688 return 0; 689 } 690 #endif 691 692 #ifdef CONFIG_CMD_NET 693 static int initr_net(void) 694 { 695 puts("Net: "); 696 eth_initialize(); 697 #if defined(CONFIG_RESET_PHY_R) 698 debug("Reset Ethernet PHY\n"); 699 reset_phy(); 700 #endif 701 return 0; 702 } 703 #endif 704 705 #ifdef CONFIG_POST 706 static int initr_post(void) 707 { 708 post_run(NULL, POST_RAM | post_bootmode_get(0)); 709 return 0; 710 } 711 #endif 712 713 #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE) 714 static int initr_pcmcia(void) 715 { 716 puts("PCMCIA:"); 717 pcmcia_init(); 718 return 0; 719 } 720 #endif 721 722 #if defined(CONFIG_IDE) 723 static int initr_ide(void) 724 { 725 puts("IDE: "); 726 #if defined(CONFIG_START_IDE) 727 if (board_start_ide()) 728 ide_init(); 729 #else 730 ide_init(); 731 #endif 732 return 0; 733 } 734 #endif 735 736 #if defined(CONFIG_PRAM) 737 /* 738 * Export available size of memory for Linux, taking into account the 739 * protected RAM at top of memory 740 */ 741 int initr_mem(void) 742 { 743 ulong pram = 0; 744 char memsz[32]; 745 746 # ifdef CONFIG_PRAM 747 pram = env_get_ulong("pram", 10, CONFIG_PRAM); 748 # endif 749 sprintf(memsz, "%ldk", (long int) ((gd->ram_size / 1024) - pram)); 750 env_set("mem", memsz); 751 752 return 0; 753 } 754 #endif 755 756 #ifdef CONFIG_CMD_BEDBUG 757 static int initr_bedbug(void) 758 { 759 bedbug_init(); 760 761 return 0; 762 } 763 #endif 764 765 #ifdef CONFIG_PS2KBD 766 static int initr_kbd(void) 767 { 768 puts("PS/2: "); 769 kbd_init(); 770 return 0; 771 } 772 #endif 773 774 __weak int interrupt_debugger_init(void) 775 { 776 return 0; 777 } 778 779 __weak int board_initr_caches_fixup(void) 780 { 781 return 0; 782 } 783 784 static int run_main_loop(void) 785 { 786 #ifdef CONFIG_SANDBOX 787 sandbox_main_loop_init(); 788 #endif 789 /* main_loop() can return to retry autoboot, if so just run it again */ 790 for (;;) 791 main_loop(); 792 return 0; 793 } 794 795 /* 796 * Over time we hope to remove these functions with code fragments and 797 * stub funtcions, and instead call the relevant function directly. 798 * 799 * We also hope to remove most of the driver-related init and do it if/when 800 * the driver is later used. 801 * 802 * TODO: perhaps reset the watchdog in the initcall function after each call? 803 */ 804 static init_fnc_t init_sequence_r[] = { 805 initr_trace, 806 initr_reloc, 807 /* TODO: could x86/PPC have this also perhaps? */ 808 #ifdef CONFIG_ARM 809 initr_caches, 810 /* Note: For Freescale LS2 SoCs, new MMU table is created in DDR. 811 * A temporary mapping of IFC high region is since removed, 812 * so environmental variables in NOR flash is not availble 813 * until board_init() is called below to remap IFC to high 814 * region. 815 */ 816 #endif 817 initr_reloc_global_data, 818 819 /* 820 * Some platform requires to reserve memory regions for some firmware 821 * to avoid kernel touches it, but U-Boot may have communication with 822 * firmware by share memory. So that we had better reserve firmware 823 * region after the initr_caches() which enables MMU and init 824 * translation table, we need firmware region to be mapped as cacheable 825 * like other regions, otherwise there would be dcache coherence issue 826 * between firmware and U-Boot. 827 */ 828 board_initr_caches_fixup, 829 830 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) 831 initr_unlock_ram_in_cache, 832 #endif 833 initr_barrier, 834 initr_malloc, 835 #ifdef CONFIG_BIDRAM 836 bidram_initr, 837 #endif 838 #ifdef CONFIG_SYSMEM 839 sysmem_initr, 840 #endif 841 log_init, 842 initr_bootstage, /* Needs malloc() but has its own timer */ 843 initr_console_record, 844 #ifdef CONFIG_SYS_NONCACHED_MEMORY 845 initr_noncached, 846 #endif 847 bootstage_relocate, 848 849 interrupt_init, 850 #ifdef CONFIG_ARM 851 initr_enable_interrupts, 852 #endif 853 interrupt_debugger_init, 854 855 #ifdef CONFIG_OF_LIVE 856 initr_of_live, 857 #endif 858 #ifdef CONFIG_DM 859 initr_dm, 860 #endif 861 862 #ifdef CONFIG_USING_KERNEL_DTB 863 initr_env_nowhere, 864 #endif 865 #if defined(CONFIG_BOARD_EARLY_INIT_R) 866 board_early_init_r, 867 #endif 868 869 #if defined(CONFIG_ARM) || defined(CONFIG_NDS32) || defined(CONFIG_RISCV) 870 board_init, /* Setup chipselects */ 871 #endif 872 873 #if defined(CONFIG_USING_KERNEL_DTB) && !defined(CONFIG_ENV_IS_NOWHERE) 874 initr_env_switch, 875 #endif 876 877 /* 878 * TODO: printing of the clock inforamtion of the board is now 879 * implemented as part of bdinfo command. Currently only support for 880 * davinci SOC's is added. Remove this check once all the board 881 * implement this. 882 */ 883 #ifdef CONFIG_CLOCKS 884 set_cpu_clk_info, /* Setup clock information */ 885 #endif 886 #ifdef CONFIG_EFI_LOADER 887 efi_memory_init, 888 #endif 889 stdio_init_tables, 890 initr_serial, 891 initr_announce, 892 INIT_FUNC_WATCHDOG_RESET 893 #ifdef CONFIG_NEEDS_MANUAL_RELOC 894 initr_manual_reloc_cmdtable, 895 #endif 896 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS) 897 initr_trap, 898 #endif 899 #ifdef CONFIG_ADDR_MAP 900 initr_addr_map, 901 #endif 902 INIT_FUNC_WATCHDOG_RESET 903 #ifdef CONFIG_POST 904 initr_post_backlog, 905 #endif 906 INIT_FUNC_WATCHDOG_RESET 907 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT) 908 /* 909 * Do early PCI configuration _before_ the flash gets initialised, 910 * because PCU ressources are crucial for flash access on some boards. 911 */ 912 initr_pci, 913 #endif 914 #ifdef CONFIG_ARCH_EARLY_INIT_R 915 arch_early_init_r, 916 #endif 917 power_init_board, 918 #ifdef CONFIG_MTD_NOR_FLASH 919 initr_flash, 920 #endif 921 INIT_FUNC_WATCHDOG_RESET 922 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86) 923 /* initialize higher level parts of CPU like time base and timers */ 924 cpu_init_r, 925 #endif 926 #ifdef CONFIG_PPC 927 initr_spi, 928 #endif 929 #ifdef CONFIG_CMD_NAND 930 initr_nand, 931 #endif 932 #ifdef CONFIG_CMD_ONENAND 933 initr_onenand, 934 #endif 935 #ifdef CONFIG_MTD_BLK 936 initr_mtd_blk, 937 #endif 938 #ifdef CONFIG_MMC 939 initr_mmc, 940 #endif 941 #ifndef CONFIG_USING_KERNEL_DTB 942 initr_env, 943 #endif 944 #ifdef CONFIG_SYS_BOOTPARAMS_LEN 945 initr_malloc_bootparams, 946 #endif 947 INIT_FUNC_WATCHDOG_RESET 948 initr_secondary_cpu, 949 #if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET) 950 mac_read_from_eeprom, 951 #endif 952 INIT_FUNC_WATCHDOG_RESET 953 #if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT) 954 /* 955 * Do pci configuration 956 */ 957 initr_pci, 958 #endif 959 stdio_add_devices, 960 initr_jumptable, 961 #ifdef CONFIG_API 962 initr_api, 963 #endif 964 console_init_r, /* fully init console as a device */ 965 #ifdef CONFIG_DISPLAY_BOARDINFO_LATE 966 console_announce_r, 967 show_board_info, 968 #endif 969 #ifdef CONFIG_ARCH_MISC_INIT 970 arch_misc_init, /* miscellaneous arch-dependent init */ 971 #endif 972 #ifdef CONFIG_MISC_INIT_R 973 misc_init_r, /* miscellaneous platform-dependent init */ 974 #endif 975 INIT_FUNC_WATCHDOG_RESET 976 #ifdef CONFIG_CMD_KGDB 977 initr_kgdb, 978 #endif 979 980 #if defined(CONFIG_MICROBLAZE) || defined(CONFIG_M68K) 981 timer_init, /* initialize timer */ 982 #endif 983 #if defined(CONFIG_LED_STATUS) 984 initr_status_led, 985 #endif 986 /* PPC has a udelay(20) here dating from 2002. Why? */ 987 #ifdef CONFIG_CMD_NET 988 initr_ethaddr, 989 #endif 990 #ifdef CONFIG_BOARD_LATE_INIT 991 board_late_init, 992 #endif 993 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI) 994 INIT_FUNC_WATCHDOG_RESET 995 initr_scsi, 996 #endif 997 #ifdef CONFIG_BITBANGMII 998 initr_bbmii, 999 #endif 1000 #ifdef CONFIG_CMD_NET 1001 INIT_FUNC_WATCHDOG_RESET 1002 initr_net, 1003 #endif 1004 #ifdef CONFIG_POST 1005 initr_post, 1006 #endif 1007 #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE) 1008 initr_pcmcia, 1009 #endif 1010 #if defined(CONFIG_IDE) 1011 initr_ide, 1012 #endif 1013 #ifdef CONFIG_LAST_STAGE_INIT 1014 INIT_FUNC_WATCHDOG_RESET 1015 /* 1016 * Some parts can be only initialized if all others (like 1017 * Interrupts) are up and running (i.e. the PC-style ISA 1018 * keyboard). 1019 */ 1020 last_stage_init, 1021 #endif 1022 #ifdef CONFIG_CMD_BEDBUG 1023 INIT_FUNC_WATCHDOG_RESET 1024 initr_bedbug, 1025 #endif 1026 #if defined(CONFIG_PRAM) 1027 initr_mem, 1028 #endif 1029 #ifdef CONFIG_PS2KBD 1030 initr_kbd, 1031 #endif 1032 run_main_loop, 1033 }; 1034 1035 void board_init_r(gd_t *new_gd, ulong dest_addr) 1036 { 1037 /* 1038 * Set up the new global data pointer. So far only x86 does this 1039 * here. 1040 * TODO(sjg@chromium.org): Consider doing this for all archs, or 1041 * dropping the new_gd parameter. 1042 */ 1043 #if CONFIG_IS_ENABLED(X86_64) 1044 arch_setup_gd(new_gd); 1045 #endif 1046 1047 #ifdef CONFIG_NEEDS_MANUAL_RELOC 1048 int i; 1049 #endif 1050 1051 #if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64) 1052 gd = new_gd; 1053 #endif 1054 gd->flags &= ~GD_FLG_LOG_READY; 1055 1056 #ifdef CONFIG_NEEDS_MANUAL_RELOC 1057 for (i = 0; i < ARRAY_SIZE(init_sequence_r); i++) 1058 init_sequence_r[i] += gd->reloc_off; 1059 #endif 1060 1061 if (initcall_run_list(init_sequence_r)) 1062 hang(); 1063 1064 /* NOTREACHED - run_main_loop() does not return */ 1065 hang(); 1066 } 1067