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 <asm/system.h> 55 #include <dm/root.h> 56 #include <linux/compiler.h> 57 #include <linux/err.h> 58 #include <efi_loader.h> 59 #include <sysmem.h> 60 #include <bidram.h> 61 #include <boot_rkimg.h> 62 #include <mtd_blk.h> 63 64 DECLARE_GLOBAL_DATA_PTR; 65 66 ulong monitor_flash_len; 67 68 __weak int board_flash_wp_on(void) 69 { 70 /* 71 * Most flashes can't be detected when write protection is enabled, 72 * so provide a way to let U-Boot gracefully ignore write protected 73 * devices. 74 */ 75 return 0; 76 } 77 78 __weak void cpu_secondary_init_r(void) 79 { 80 } 81 82 static int initr_secondary_cpu(void) 83 { 84 /* 85 * after non-volatile devices & environment is setup and cpu code have 86 * another round to deal with any initialization that might require 87 * full access to the environment or loading of some image (firmware) 88 * from a non-volatile device 89 */ 90 /* TODO: maybe define this for all archs? */ 91 cpu_secondary_init_r(); 92 93 return 0; 94 } 95 96 static int initr_trace(void) 97 { 98 #ifdef CONFIG_TRACE 99 trace_init(gd->trace_buff, CONFIG_TRACE_BUFFER_SIZE); 100 #endif 101 102 return 0; 103 } 104 105 static int initr_reloc(void) 106 { 107 /* tell others: relocation done */ 108 gd->flags |= GD_FLG_RELOC | GD_FLG_FULL_MALLOC_INIT; 109 110 return 0; 111 } 112 113 #ifdef CONFIG_ARM 114 /* 115 * Some of these functions are needed purely because the functions they 116 * call return void. If we change them to return 0, these stubs can go away. 117 */ 118 119 static void print_cr(void) 120 { 121 u32 reg; 122 123 #ifdef CONFIG_ARM64 124 reg = get_sctlr(); /* get control reg. */ 125 #else 126 reg = get_cr(); 127 #endif 128 puts("CR: "); 129 if (reg & CR_M) 130 puts("M/"); 131 if (reg & CR_C) 132 puts("C/"); 133 if (reg & CR_I) 134 puts("I"); 135 putc('\n'); 136 } 137 138 static int initr_caches(void) 139 { 140 /* Enable caches */ 141 enable_caches(); 142 print_cr(); 143 144 return 0; 145 } 146 #endif 147 148 __weak int fixup_cpu(void) 149 { 150 return 0; 151 } 152 153 static int initr_reloc_global_data(void) 154 { 155 #ifdef __ARM__ 156 monitor_flash_len = _end - __image_copy_start; 157 #elif defined(CONFIG_NDS32) || defined(CONFIG_RISCV) 158 monitor_flash_len = (ulong)&_end - (ulong)&_start; 159 #elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2) 160 monitor_flash_len = (ulong)&__init_end - gd->relocaddr; 161 #endif 162 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) 163 /* 164 * The gd->cpu pointer is set to an address in flash before relocation. 165 * We need to update it to point to the same CPU entry in RAM. 166 * TODO: why not just add gd->reloc_ofs? 167 */ 168 gd->arch.cpu += gd->relocaddr - CONFIG_SYS_MONITOR_BASE; 169 170 /* 171 * If we didn't know the cpu mask & # cores, we can save them of 172 * now rather than 'computing' them constantly 173 */ 174 fixup_cpu(); 175 #endif 176 #ifdef CONFIG_SYS_EXTRA_ENV_RELOC 177 /* 178 * Some systems need to relocate the env_addr pointer early because the 179 * location it points to will get invalidated before env_relocate is 180 * called. One example is on systems that might use a L2 or L3 cache 181 * in SRAM mode and initialize that cache from SRAM mode back to being 182 * a cache in cpu_init_r. 183 */ 184 gd->env_addr += gd->relocaddr - CONFIG_SYS_MONITOR_BASE; 185 #endif 186 #ifdef CONFIG_OF_EMBED 187 /* 188 * The fdt_blob needs to be moved to new relocation address 189 * incase of FDT blob is embedded with in image 190 */ 191 gd->fdt_blob += gd->reloc_off; 192 #endif 193 #ifdef CONFIG_EFI_LOADER 194 efi_runtime_relocate(gd->relocaddr, NULL); 195 #endif 196 197 return 0; 198 } 199 200 static int initr_serial(void) 201 { 202 serial_initialize(); 203 return 0; 204 } 205 206 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS) 207 static int initr_trap(void) 208 { 209 /* 210 * Setup trap handlers 211 */ 212 #if defined(CONFIG_PPC) 213 trap_init(gd->relocaddr); 214 #else 215 trap_init(CONFIG_SYS_SDRAM_BASE); 216 #endif 217 return 0; 218 } 219 #endif 220 221 #ifdef CONFIG_ADDR_MAP 222 static int initr_addr_map(void) 223 { 224 init_addr_map(); 225 226 return 0; 227 } 228 #endif 229 230 #ifdef CONFIG_POST 231 static int initr_post_backlog(void) 232 { 233 post_output_backlog(); 234 return 0; 235 } 236 #endif 237 238 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) 239 static int initr_unlock_ram_in_cache(void) 240 { 241 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */ 242 return 0; 243 } 244 #endif 245 246 #ifdef CONFIG_PCI 247 static int initr_pci(void) 248 { 249 #ifndef CONFIG_DM_PCI 250 pci_init(); 251 #endif 252 253 return 0; 254 } 255 #endif 256 257 static int initr_barrier(void) 258 { 259 #ifdef CONFIG_PPC 260 /* TODO: Can we not use dmb() macros for this? */ 261 asm("sync ; isync"); 262 #endif 263 return 0; 264 } 265 266 static int initr_malloc(void) 267 { 268 ulong malloc_start; 269 270 #if CONFIG_VAL(SYS_MALLOC_F_LEN) 271 debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr, 272 gd->malloc_ptr / 1024); 273 #endif 274 /* The malloc area is immediately below the monitor copy in DRAM */ 275 malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN; 276 mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN), 277 TOTAL_MALLOC_LEN); 278 return 0; 279 } 280 281 static int initr_console_record(void) 282 { 283 #if defined(CONFIG_CONSOLE_RECORD) 284 int ret; 285 286 ret = console_record_init(); 287 if (!ret) 288 console_record_reset_enable(); 289 return ret; 290 #else 291 return 0; 292 #endif 293 } 294 295 #ifdef CONFIG_SYS_NONCACHED_MEMORY 296 static int initr_noncached(void) 297 { 298 noncached_init(); 299 return 0; 300 } 301 #endif 302 303 #ifdef CONFIG_OF_LIVE 304 static int initr_of_live(void) 305 { 306 int ret; 307 308 bootstage_start(BOOTSTAGE_ID_ACCUM_OF_LIVE, "of_live"); 309 ret = of_live_build(gd->fdt_blob, (struct device_node **)&gd->of_root); 310 bootstage_accum(BOOTSTAGE_ID_ACCUM_OF_LIVE); 311 if (ret) 312 return ret; 313 314 return 0; 315 } 316 #endif 317 318 #ifdef CONFIG_DM 319 static int initr_dm(void) 320 { 321 int ret; 322 323 /* Save the pre-reloc driver model and start a new one */ 324 gd->dm_root_f = gd->dm_root; 325 gd->dm_root = NULL; 326 #ifdef CONFIG_TIMER 327 gd->timer = NULL; 328 #endif 329 bootstage_start(BOOTSTATE_ID_ACCUM_DM_R, "dm_r"); 330 ret = dm_init_and_scan(false); 331 bootstage_accum(BOOTSTATE_ID_ACCUM_DM_R); 332 if (ret) 333 return ret; 334 #ifdef CONFIG_TIMER_EARLY 335 ret = dm_timer_init(); 336 if (ret) 337 return ret; 338 #endif 339 340 return 0; 341 } 342 #endif 343 344 static int initr_bootstage(void) 345 { 346 bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r"); 347 348 return 0; 349 } 350 351 __weak int power_init_board(void) 352 { 353 return 0; 354 } 355 356 static int initr_announce(void) 357 { 358 ulong addr; 359 360 #ifndef CONFIG_SKIP_RELOCATE_UBOOT 361 addr = gd->relocaddr; 362 #else 363 addr = CONFIG_SYS_TEXT_BASE; 364 #endif 365 debug("Now running in RAM - U-Boot at: %08lx\n", addr); 366 367 return 0; 368 } 369 370 #ifdef CONFIG_NEEDS_MANUAL_RELOC 371 static int initr_manual_reloc_cmdtable(void) 372 { 373 fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd), 374 ll_entry_count(cmd_tbl_t, cmd)); 375 return 0; 376 } 377 #endif 378 379 #if defined(CONFIG_MTD_NOR_FLASH) 380 static int initr_flash(void) 381 { 382 ulong flash_size = 0; 383 bd_t *bd = gd->bd; 384 385 puts("Flash: "); 386 387 if (board_flash_wp_on()) 388 printf("Uninitialized - Write Protect On\n"); 389 else 390 flash_size = flash_init(); 391 392 print_size(flash_size, ""); 393 #ifdef CONFIG_SYS_FLASH_CHECKSUM 394 /* 395 * Compute and print flash CRC if flashchecksum is set to 'y' 396 * 397 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX 398 */ 399 if (env_get_yesno("flashchecksum") == 1) { 400 printf(" CRC: %08X", crc32(0, 401 (const unsigned char *) CONFIG_SYS_FLASH_BASE, 402 flash_size)); 403 } 404 #endif /* CONFIG_SYS_FLASH_CHECKSUM */ 405 putc('\n'); 406 407 /* update start of FLASH memory */ 408 #ifdef CONFIG_SYS_FLASH_BASE 409 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; 410 #endif 411 /* size of FLASH memory (final value) */ 412 bd->bi_flashsize = flash_size; 413 414 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) 415 /* Make a update of the Memctrl. */ 416 update_flash_size(flash_size); 417 #endif 418 419 420 #if defined(CONFIG_OXC) || defined(CONFIG_RMU) 421 /* flash mapped at end of memory map */ 422 bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size; 423 #elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE 424 bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */ 425 #endif 426 return 0; 427 } 428 #endif 429 430 #if defined(CONFIG_PPC) && !defined(CONFIG_DM_SPI) 431 static int initr_spi(void) 432 { 433 /* MPC8xx does this here */ 434 #ifdef CONFIG_MPC8XX_SPI 435 #if !defined(CONFIG_ENV_IS_IN_EEPROM) 436 spi_init_f(); 437 #endif 438 spi_init_r(); 439 #endif 440 return 0; 441 } 442 #endif 443 444 #ifdef CONFIG_CMD_NAND 445 /* go init the NAND */ 446 static int initr_nand(void) 447 { 448 #ifndef CONFIG_USING_KERNEL_DTB 449 puts("NAND: "); 450 nand_init(); 451 printf("%lu MiB\n", nand_size() / 1024); 452 #endif 453 return 0; 454 } 455 #endif 456 457 #if defined(CONFIG_CMD_ONENAND) 458 /* go init the NAND */ 459 static int initr_onenand(void) 460 { 461 puts("NAND: "); 462 onenand_init(); 463 return 0; 464 } 465 #endif 466 467 #ifdef CONFIG_MMC 468 static int initr_mmc(void) 469 { 470 /* 471 * When CONFIG_USING_KERNEL_DTB is enabled, mmc has been initialized earlier. 472 */ 473 #ifndef CONFIG_USING_KERNEL_DTB 474 puts("MMC: "); 475 mmc_initialize(gd->bd); 476 #endif 477 return 0; 478 } 479 #endif 480 481 #ifdef CONFIG_MTD_BLK 482 static int initr_mtd_blk(void) 483 { 484 #ifndef CONFIG_USING_KERNEL_DTB 485 struct blk_desc *dev_desc; 486 487 puts("mtd_blk: "); 488 dev_desc = rockchip_get_bootdev(); 489 if (dev_desc) 490 mtd_blk_map_partitions(dev_desc); 491 #endif 492 return 0; 493 } 494 #endif 495 496 #if !defined(CONFIG_USING_KERNEL_DTB) || !defined(CONFIG_ENV_IS_NOWHERE) 497 /* 498 * Tell if it's OK to load the environment early in boot. 499 * 500 * If CONFIG_OF_CONTROL is defined, we'll check with the FDT to see 501 * if this is OK (defaulting to saying it's OK). 502 * 503 * NOTE: Loading the environment early can be a bad idea if security is 504 * important, since no verification is done on the environment. 505 * 506 * @return 0 if environment should not be loaded, !=0 if it is ok to load 507 */ 508 static int should_load_env(void) 509 { 510 #ifdef CONFIG_OF_CONTROL 511 return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1); 512 #elif defined CONFIG_DELAY_ENVIRONMENT 513 return 0; 514 #else 515 return 1; 516 #endif 517 } 518 519 static int initr_env(void) 520 { 521 /* initialize environment */ 522 if (should_load_env()) 523 env_relocate(); 524 else 525 set_default_env(NULL); 526 #ifdef CONFIG_OF_CONTROL 527 env_set_addr("fdtcontroladdr", gd->fdt_blob); 528 #endif 529 530 /* Initialize from environment */ 531 load_addr = env_get_ulong("loadaddr", 16, load_addr); 532 533 return 0; 534 } 535 #endif 536 537 #ifdef CONFIG_USING_KERNEL_DTB 538 /* 539 * If !defined(CONFIG_ENV_IS_NOWHERE): 540 * 541 * Storage env or kernel dtb load depends on bootdev, while bootdev 542 * depends on env varname: devtype, devnum and rkimg_bootdev, etc. 543 * So we have to use nowhere env firstly and cover the storage env 544 * after it is loaded. 545 * 546 * Providing a minimum and necessary nowhere env for board init to 547 * avoid covering the other varnames in storage env. 548 */ 549 static int initr_env_nowhere(void) 550 { 551 #ifdef CONFIG_ENV_IS_NOWHERE 552 set_default_env(NULL); 553 #if defined(CONFIG_ENVF) 554 /* init envf and partitiont from envf before any partition query action */ 555 env_load(); 556 #endif 557 return 0; 558 #else 559 const char env_minimum[] = { 560 ENV_MEM_LAYOUT_SETTINGS 561 #ifdef ENV_MEM_LAYOUT_SETTINGS1 562 ENV_MEM_LAYOUT_SETTINGS1 563 #endif 564 #ifdef RKIMG_DET_BOOTDEV 565 RKIMG_DET_BOOTDEV 566 #endif 567 }; 568 569 return set_board_env((char *)env_minimum, ENV_SIZE, 0, true); 570 #endif 571 } 572 573 #if !defined(CONFIG_ENV_IS_NOWHERE) 574 /* 575 * storage has been initialized in board_init(), we could switch env 576 * from nowhere to storage, i.e. CONFIG_ENV_IS_IN_xxx=y. 577 */ 578 static int initr_env_switch(void) 579 { 580 ALLOC_CACHE_ALIGN_BUFFER(env_t, env_nowhere, 1); 581 char *data; 582 int ret; 583 584 data = env_get("bootargs"); 585 if (data) { 586 env_set("bootargs_tmp", data); 587 env_set("bootargs", NULL); 588 } 589 590 /* Export nowhere env for late use */ 591 ret = env_export(env_nowhere); 592 if (ret) { 593 printf("%s: export nowhere env fail, ret=%d\n", __func__, ret); 594 return -EINVAL; 595 } 596 597 /* Destroy nowhere env and import storage env */ 598 initr_env(); 599 600 /* Append/override nowhere env to storage env */ 601 set_board_env((char *)env_nowhere->data, ENV_SIZE, H_NOCLEAR, false); 602 603 /* 604 * Restore nowhere bootargs to append/override the one in env storage. 605 * 606 * Without this, the entire "bootargs" in storage env is replaces by 607 * the one in env_nowhere->data. 608 */ 609 data = env_get("bootargs_tmp"); 610 if (data) { 611 env_update("bootargs", data); 612 env_set("bootargs_tmp", NULL); 613 } 614 615 return 0; 616 } 617 #endif /* CONFIG_ENV_IS_NOWHERE */ 618 #endif /* CONFIG_USING_KERNEL_DTB */ 619 620 #ifdef CONFIG_SYS_BOOTPARAMS_LEN 621 static int initr_malloc_bootparams(void) 622 { 623 gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN); 624 if (!gd->bd->bi_boot_params) { 625 puts("WARNING: Cannot allocate space for boot parameters\n"); 626 return -ENOMEM; 627 } 628 return 0; 629 } 630 #endif 631 632 static int initr_jumptable(void) 633 { 634 jumptable_init(); 635 return 0; 636 } 637 638 #if defined(CONFIG_API) 639 static int initr_api(void) 640 { 641 /* Initialize API */ 642 api_init(); 643 return 0; 644 } 645 #endif 646 647 /* enable exceptions */ 648 #ifdef CONFIG_ARM 649 static int initr_enable_interrupts(void) 650 { 651 enable_interrupts(); 652 return 0; 653 } 654 #endif 655 656 #ifdef CONFIG_CMD_NET 657 static int initr_ethaddr(void) 658 { 659 bd_t *bd = gd->bd; 660 661 /* kept around for legacy kernels only ... ignore the next section */ 662 eth_env_get_enetaddr("ethaddr", bd->bi_enetaddr); 663 #ifdef CONFIG_HAS_ETH1 664 eth_env_get_enetaddr("eth1addr", bd->bi_enet1addr); 665 #endif 666 #ifdef CONFIG_HAS_ETH2 667 eth_env_get_enetaddr("eth2addr", bd->bi_enet2addr); 668 #endif 669 #ifdef CONFIG_HAS_ETH3 670 eth_env_get_enetaddr("eth3addr", bd->bi_enet3addr); 671 #endif 672 #ifdef CONFIG_HAS_ETH4 673 eth_env_get_enetaddr("eth4addr", bd->bi_enet4addr); 674 #endif 675 #ifdef CONFIG_HAS_ETH5 676 eth_env_get_enetaddr("eth5addr", bd->bi_enet5addr); 677 #endif 678 return 0; 679 } 680 #endif /* CONFIG_CMD_NET */ 681 682 #ifdef CONFIG_CMD_KGDB 683 static int initr_kgdb(void) 684 { 685 puts("KGDB: "); 686 kgdb_init(); 687 return 0; 688 } 689 #endif 690 691 #if defined(CONFIG_LED_STATUS) 692 static int initr_status_led(void) 693 { 694 #if defined(CONFIG_LED_STATUS_BOOT) 695 status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_BLINKING); 696 #else 697 status_led_init(); 698 #endif 699 return 0; 700 } 701 #endif 702 703 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI) 704 static int initr_scsi(void) 705 { 706 puts("SCSI: "); 707 scsi_init(); 708 709 return 0; 710 } 711 #endif 712 713 #ifdef CONFIG_BITBANGMII 714 static int initr_bbmii(void) 715 { 716 bb_miiphy_init(); 717 return 0; 718 } 719 #endif 720 721 #ifdef CONFIG_CMD_NET 722 static int initr_net(void) 723 { 724 puts("Net: "); 725 eth_initialize(); 726 #if defined(CONFIG_RESET_PHY_R) 727 debug("Reset Ethernet PHY\n"); 728 reset_phy(); 729 #endif 730 return 0; 731 } 732 #endif 733 734 #ifdef CONFIG_POST 735 static int initr_post(void) 736 { 737 post_run(NULL, POST_RAM | post_bootmode_get(0)); 738 return 0; 739 } 740 #endif 741 742 #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE) 743 static int initr_pcmcia(void) 744 { 745 puts("PCMCIA:"); 746 pcmcia_init(); 747 return 0; 748 } 749 #endif 750 751 #if defined(CONFIG_IDE) 752 static int initr_ide(void) 753 { 754 puts("IDE: "); 755 #if defined(CONFIG_START_IDE) 756 if (board_start_ide()) 757 ide_init(); 758 #else 759 ide_init(); 760 #endif 761 return 0; 762 } 763 #endif 764 765 #if defined(CONFIG_PRAM) 766 /* 767 * Export available size of memory for Linux, taking into account the 768 * protected RAM at top of memory 769 */ 770 int initr_mem(void) 771 { 772 ulong pram = 0; 773 char memsz[32]; 774 775 # ifdef CONFIG_PRAM 776 pram = env_get_ulong("pram", 10, CONFIG_PRAM); 777 # endif 778 sprintf(memsz, "%ldk", (long int) ((gd->ram_size / 1024) - pram)); 779 env_set("mem", memsz); 780 781 return 0; 782 } 783 #endif 784 785 #ifdef CONFIG_CMD_BEDBUG 786 static int initr_bedbug(void) 787 { 788 bedbug_init(); 789 790 return 0; 791 } 792 #endif 793 794 #ifdef CONFIG_PS2KBD 795 static int initr_kbd(void) 796 { 797 puts("PS/2: "); 798 kbd_init(); 799 return 0; 800 } 801 #endif 802 803 __weak int interrupt_debugger_init(void) 804 { 805 return 0; 806 } 807 808 __weak int board_initr_caches_fixup(void) 809 { 810 return 0; 811 } 812 813 static int run_main_loop(void) 814 { 815 #ifdef CONFIG_SANDBOX 816 sandbox_main_loop_init(); 817 #endif 818 /* main_loop() can return to retry autoboot, if so just run it again */ 819 for (;;) 820 main_loop(); 821 return 0; 822 } 823 824 /* 825 * Over time we hope to remove these functions with code fragments and 826 * stub funtcions, and instead call the relevant function directly. 827 * 828 * We also hope to remove most of the driver-related init and do it if/when 829 * the driver is later used. 830 * 831 * TODO: perhaps reset the watchdog in the initcall function after each call? 832 */ 833 static init_fnc_t init_sequence_r[] = { 834 initr_trace, 835 initr_reloc, 836 /* TODO: could x86/PPC have this also perhaps? */ 837 #ifdef CONFIG_ARM 838 initr_caches, 839 /* Note: For Freescale LS2 SoCs, new MMU table is created in DDR. 840 * A temporary mapping of IFC high region is since removed, 841 * so environmental variables in NOR flash is not availble 842 * until board_init() is called below to remap IFC to high 843 * region. 844 */ 845 #endif 846 initr_reloc_global_data, 847 848 /* 849 * Some platform requires to reserve memory regions for some firmware 850 * to avoid kernel touches it, but U-Boot may have communication with 851 * firmware by share memory. So that we had better reserve firmware 852 * region after the initr_caches() which enables MMU and init 853 * translation table, we need firmware region to be mapped as cacheable 854 * like other regions, otherwise there would be dcache coherence issue 855 * between firmware and U-Boot. 856 */ 857 board_initr_caches_fixup, 858 859 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) 860 initr_unlock_ram_in_cache, 861 #endif 862 initr_barrier, 863 initr_malloc, 864 #ifdef CONFIG_BIDRAM 865 bidram_initr, 866 #endif 867 #ifdef CONFIG_SYSMEM 868 sysmem_initr, 869 #endif 870 log_init, 871 initr_bootstage, /* Needs malloc() but has its own timer */ 872 initr_console_record, 873 #ifdef CONFIG_SYS_NONCACHED_MEMORY 874 initr_noncached, 875 #endif 876 bootstage_relocate, 877 878 interrupt_init, 879 #ifdef CONFIG_ARM 880 initr_enable_interrupts, 881 #endif 882 interrupt_debugger_init, 883 884 #ifdef CONFIG_OF_LIVE 885 initr_of_live, 886 #endif 887 #ifdef CONFIG_DM 888 initr_dm, 889 #endif 890 891 #ifdef CONFIG_USING_KERNEL_DTB 892 initr_env_nowhere, 893 #endif 894 #if defined(CONFIG_BOARD_EARLY_INIT_R) 895 board_early_init_r, 896 #endif 897 898 #if defined(CONFIG_ARM) || defined(CONFIG_NDS32) || defined(CONFIG_RISCV) 899 board_init, /* Setup chipselects */ 900 #endif 901 #if defined(CONFIG_USING_KERNEL_DTB) && !defined(CONFIG_ENV_IS_NOWHERE) 902 initr_env_switch, 903 #endif 904 /* 905 * TODO: printing of the clock inforamtion of the board is now 906 * implemented as part of bdinfo command. Currently only support for 907 * davinci SOC's is added. Remove this check once all the board 908 * implement this. 909 */ 910 #ifdef CONFIG_CLOCKS 911 set_cpu_clk_info, /* Setup clock information */ 912 #endif 913 #ifdef CONFIG_EFI_LOADER 914 efi_memory_init, 915 #endif 916 stdio_init_tables, 917 initr_serial, 918 initr_announce, 919 INIT_FUNC_WATCHDOG_RESET 920 #ifdef CONFIG_NEEDS_MANUAL_RELOC 921 initr_manual_reloc_cmdtable, 922 #endif 923 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS) 924 initr_trap, 925 #endif 926 #ifdef CONFIG_ADDR_MAP 927 initr_addr_map, 928 #endif 929 INIT_FUNC_WATCHDOG_RESET 930 #ifdef CONFIG_POST 931 initr_post_backlog, 932 #endif 933 INIT_FUNC_WATCHDOG_RESET 934 935 #ifndef CONFIG_USING_KERNEL_DTB 936 /* init before storage(for: devtype, devnum, ...) */ 937 initr_env, 938 #endif 939 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT) 940 /* 941 * Do early PCI configuration _before_ the flash gets initialised, 942 * because PCU ressources are crucial for flash access on some boards. 943 */ 944 initr_pci, 945 #endif 946 #ifdef CONFIG_ARCH_EARLY_INIT_R 947 arch_early_init_r, 948 #endif 949 power_init_board, 950 #ifdef CONFIG_MTD_NOR_FLASH 951 initr_flash, 952 #endif 953 INIT_FUNC_WATCHDOG_RESET 954 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86) 955 /* initialize higher level parts of CPU like time base and timers */ 956 cpu_init_r, 957 #endif 958 #ifdef CONFIG_PPC 959 initr_spi, 960 #endif 961 #ifdef CONFIG_CMD_NAND 962 initr_nand, 963 #endif 964 #ifdef CONFIG_CMD_ONENAND 965 initr_onenand, 966 #endif 967 #ifdef CONFIG_MTD_BLK 968 initr_mtd_blk, 969 #endif 970 #ifdef CONFIG_MMC 971 initr_mmc, 972 #endif 973 974 #ifdef CONFIG_SYS_BOOTPARAMS_LEN 975 initr_malloc_bootparams, 976 #endif 977 INIT_FUNC_WATCHDOG_RESET 978 initr_secondary_cpu, 979 #if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET) 980 mac_read_from_eeprom, 981 #endif 982 INIT_FUNC_WATCHDOG_RESET 983 #if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT) 984 /* 985 * Do pci configuration 986 */ 987 initr_pci, 988 #endif 989 stdio_add_devices, 990 initr_jumptable, 991 #ifdef CONFIG_API 992 initr_api, 993 #endif 994 console_init_r, /* fully init console as a device */ 995 #ifdef CONFIG_DISPLAY_BOARDINFO_LATE 996 console_announce_r, 997 show_board_info, 998 #endif 999 #ifdef CONFIG_ARCH_MISC_INIT 1000 arch_misc_init, /* miscellaneous arch-dependent init */ 1001 #endif 1002 #ifdef CONFIG_MISC_INIT_R 1003 misc_init_r, /* miscellaneous platform-dependent init */ 1004 #endif 1005 INIT_FUNC_WATCHDOG_RESET 1006 #ifdef CONFIG_CMD_KGDB 1007 initr_kgdb, 1008 #endif 1009 1010 #if defined(CONFIG_MICROBLAZE) || defined(CONFIG_M68K) 1011 timer_init, /* initialize timer */ 1012 #endif 1013 #if defined(CONFIG_LED_STATUS) 1014 initr_status_led, 1015 #endif 1016 /* PPC has a udelay(20) here dating from 2002. Why? */ 1017 #ifdef CONFIG_CMD_NET 1018 initr_ethaddr, 1019 #endif 1020 #ifdef CONFIG_BOARD_LATE_INIT 1021 board_late_init, 1022 #endif 1023 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI) 1024 INIT_FUNC_WATCHDOG_RESET 1025 initr_scsi, 1026 #endif 1027 #ifdef CONFIG_BITBANGMII 1028 initr_bbmii, 1029 #endif 1030 #ifdef CONFIG_CMD_NET 1031 INIT_FUNC_WATCHDOG_RESET 1032 initr_net, 1033 #endif 1034 #ifdef CONFIG_POST 1035 initr_post, 1036 #endif 1037 #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE) 1038 initr_pcmcia, 1039 #endif 1040 #if defined(CONFIG_IDE) 1041 initr_ide, 1042 #endif 1043 #ifdef CONFIG_LAST_STAGE_INIT 1044 INIT_FUNC_WATCHDOG_RESET 1045 /* 1046 * Some parts can be only initialized if all others (like 1047 * Interrupts) are up and running (i.e. the PC-style ISA 1048 * keyboard). 1049 */ 1050 last_stage_init, 1051 #endif 1052 #ifdef CONFIG_CMD_BEDBUG 1053 INIT_FUNC_WATCHDOG_RESET 1054 initr_bedbug, 1055 #endif 1056 #if defined(CONFIG_PRAM) 1057 initr_mem, 1058 #endif 1059 #ifdef CONFIG_PS2KBD 1060 initr_kbd, 1061 #endif 1062 run_main_loop, 1063 }; 1064 1065 void board_init_r(gd_t *new_gd, ulong dest_addr) 1066 { 1067 /* 1068 * Set up the new global data pointer. So far only x86 does this 1069 * here. 1070 * TODO(sjg@chromium.org): Consider doing this for all archs, or 1071 * dropping the new_gd parameter. 1072 */ 1073 #if CONFIG_IS_ENABLED(X86_64) 1074 arch_setup_gd(new_gd); 1075 #endif 1076 1077 #ifdef CONFIG_NEEDS_MANUAL_RELOC 1078 int i; 1079 #endif 1080 1081 #if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64) 1082 gd = new_gd; 1083 #endif 1084 gd->flags &= ~GD_FLG_LOG_READY; 1085 1086 #ifdef CONFIG_NEEDS_MANUAL_RELOC 1087 for (i = 0; i < ARRAY_SIZE(init_sequence_r); i++) 1088 init_sequence_r[i] += gd->reloc_off; 1089 #endif 1090 1091 if (initcall_run_list(init_sequence_r)) 1092 hang(); 1093 1094 /* NOTREACHED - run_main_loop() does not return */ 1095 hang(); 1096 } 1097