1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (c) 2011 The Chromium OS Authors.
4 * (C) Copyright 2002-2006
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 *
7 * (C) Copyright 2002
8 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
9 * Marius Groeger <mgroeger@sysgo.de>
10 */
11
12 #include <common.h>
13 #include <api.h>
14 #include <bootstage.h>
15 #include <cpu_func.h>
16 #include <cyclic.h>
17 #include <display_options.h>
18 #include <exports.h>
19 #ifdef CONFIG_MTD_NOR_FLASH
20 #include <flash.h>
21 #endif
22 #include <hang.h>
23 #include <image.h>
24 #include <irq_func.h>
25 #include <log.h>
26 #include <net.h>
27 #include <asm/cache.h>
28 #include <asm/global_data.h>
29 #include <u-boot/crc.h>
30 #include <binman.h>
31 #include <command.h>
32 #include <console.h>
33 #include <dm.h>
34 #include <env.h>
35 #include <env_internal.h>
36 #include <fdtdec.h>
37 #include <ide.h>
38 #include <init.h>
39 #include <initcall.h>
40 #include <kgdb.h>
41 #include <irq_func.h>
42 #include <malloc.h>
43 #include <mapmem.h>
44 #include <miiphy.h>
45 #include <mmc.h>
46 #include <mux.h>
47 #include <nand.h>
48 #include <of_live.h>
49 #include <onenand_uboot.h>
50 #include <pvblock.h>
51 #include <scsi.h>
52 #include <serial.h>
53 #include <status_led.h>
54 #include <stdio_dev.h>
55 #include <timer.h>
56 #include <trace.h>
57 #include <watchdog.h>
58 #include <xen.h>
59 #include <asm/sections.h>
60 #include <dm/root.h>
61 #include <dm/ofnode.h>
62 #include <linux/compiler.h>
63 #include <linux/err.h>
64 #include <efi_loader.h>
65 #include <wdt.h>
66 #include <asm-generic/gpio.h>
67 #include <efi_loader.h>
68 #include <relocate.h>
69
70 DECLARE_GLOBAL_DATA_PTR;
71
72 ulong monitor_flash_len;
73
board_flash_wp_on(void)74 __weak int board_flash_wp_on(void)
75 {
76 /*
77 * Most flashes can't be detected when write protection is enabled,
78 * so provide a way to let U-Boot gracefully ignore write protected
79 * devices.
80 */
81 return 0;
82 }
83
cpu_secondary_init_r(void)84 __weak int cpu_secondary_init_r(void)
85 {
86 return 0;
87 }
88
initr_trace(void)89 static int initr_trace(void)
90 {
91 #ifdef CONFIG_TRACE
92 trace_init(gd->trace_buff, CONFIG_TRACE_BUFFER_SIZE);
93 #endif
94
95 return 0;
96 }
97
initr_reloc(void)98 static int initr_reloc(void)
99 {
100 /* tell others: relocation done */
101 gd->flags |= GD_FLG_RELOC | GD_FLG_FULL_MALLOC_INIT;
102
103 return 0;
104 }
105
106 #if defined(CONFIG_ARM) || defined(CONFIG_RISCV)
107 /*
108 * Some of these functions are needed purely because the functions they
109 * call return void. If we change them to return 0, these stubs can go away.
110 */
initr_caches(void)111 static int initr_caches(void)
112 {
113 /* Enable caches */
114 enable_caches();
115 return 0;
116 }
117 #endif
118
fixup_cpu(void)119 __weak int fixup_cpu(void)
120 {
121 return 0;
122 }
123
initr_reloc_global_data(void)124 static int initr_reloc_global_data(void)
125 {
126 #ifdef __ARM__
127 monitor_flash_len = _end - __image_copy_start;
128 #elif defined(CONFIG_RISCV)
129 monitor_flash_len = (ulong)&_end - (ulong)&_start;
130 #elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2)
131 monitor_flash_len = (ulong)&__init_end - gd->relocaddr;
132 #endif
133 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
134 /*
135 * The gd->cpu pointer is set to an address in flash before relocation.
136 * We need to update it to point to the same CPU entry in RAM.
137 * TODO: why not just add gd->reloc_ofs?
138 */
139 gd->arch.cpu += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
140
141 /*
142 * If we didn't know the cpu mask & # cores, we can save them of
143 * now rather than 'computing' them constantly
144 */
145 fixup_cpu();
146 #endif
147 #ifdef CONFIG_SYS_RELOC_GD_ENV_ADDR
148 /*
149 * Relocate the early env_addr pointer unless we know it is not inside
150 * the binary. Some systems need this and for the rest, it doesn't hurt.
151 */
152 gd->env_addr += gd->reloc_off;
153 #endif
154 /*
155 * The fdt_blob needs to be moved to new relocation address
156 * incase of FDT blob is embedded with in image
157 */
158 if (IS_ENABLED(CONFIG_OF_EMBED) && IS_ENABLED(CONFIG_NEEDS_MANUAL_RELOC))
159 gd->fdt_blob += gd->reloc_off;
160
161 #ifdef CONFIG_EFI_LOADER
162 /*
163 * On the ARM architecture gd is mapped to a fixed register (r9 or x18).
164 * As this register may be overwritten by an EFI payload we save it here
165 * and restore it on every callback entered.
166 */
167 efi_save_gd();
168
169 efi_runtime_relocate(gd->relocaddr, NULL);
170 #endif
171
172 return 0;
173 }
174
arch_initr_trap(void)175 __weak int arch_initr_trap(void)
176 {
177 return 0;
178 }
179
180 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
initr_unlock_ram_in_cache(void)181 static int initr_unlock_ram_in_cache(void)
182 {
183 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
184 return 0;
185 }
186 #endif
187
initr_barrier(void)188 static int initr_barrier(void)
189 {
190 #ifdef CONFIG_PPC
191 /* TODO: Can we not use dmb() macros for this? */
192 asm("sync ; isync");
193 #endif
194 return 0;
195 }
196
initr_malloc(void)197 static int initr_malloc(void)
198 {
199 ulong malloc_start;
200
201 #if CONFIG_VAL(SYS_MALLOC_F_LEN)
202 debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
203 gd->malloc_ptr / 1024);
204 #endif
205 /* The malloc area is immediately below the monitor copy in DRAM */
206 /*
207 * This value MUST match the value of gd->start_addr_sp in board_f.c:
208 * reserve_noncached().
209 */
210 malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN;
211 mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN),
212 TOTAL_MALLOC_LEN);
213 return 0;
214 }
215
initr_of_live(void)216 static int initr_of_live(void)
217 {
218 if (CONFIG_IS_ENABLED(OF_LIVE)) {
219 int ret;
220
221 bootstage_start(BOOTSTAGE_ID_ACCUM_OF_LIVE, "of_live");
222 ret = of_live_build(gd->fdt_blob,
223 (struct device_node **)gd_of_root_ptr());
224 bootstage_accum(BOOTSTAGE_ID_ACCUM_OF_LIVE);
225 if (ret)
226 return ret;
227 }
228
229 return 0;
230 }
231
232 #ifdef CONFIG_DM
initr_dm(void)233 static int initr_dm(void)
234 {
235 int ret;
236
237 oftree_reset();
238
239 /* Save the pre-reloc driver model and start a new one */
240 gd->dm_root_f = gd->dm_root;
241 gd->dm_root = NULL;
242 #ifdef CONFIG_TIMER
243 gd->timer = NULL;
244 #endif
245 bootstage_start(BOOTSTAGE_ID_ACCUM_DM_R, "dm_r");
246 ret = dm_init_and_scan(false);
247 bootstage_accum(BOOTSTAGE_ID_ACCUM_DM_R);
248 if (ret)
249 return ret;
250
251 return 0;
252 }
253 #endif
254
initr_dm_devices(void)255 static int initr_dm_devices(void)
256 {
257 int ret;
258
259 if (IS_ENABLED(CONFIG_TIMER_EARLY)) {
260 ret = dm_timer_init();
261 if (ret)
262 return ret;
263 }
264
265 if (IS_ENABLED(CONFIG_MULTIPLEXER)) {
266 /*
267 * Initialize the multiplexer controls to their default state.
268 * This must be done early as other drivers may unknowingly
269 * rely on it.
270 */
271 ret = dm_mux_init();
272 if (ret)
273 return ret;
274 }
275
276 return 0;
277 }
278
initr_bootstage(void)279 static int initr_bootstage(void)
280 {
281 bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
282
283 return 0;
284 }
285
power_init_board(void)286 __weak int power_init_board(void)
287 {
288 return 0;
289 }
290
initr_announce(void)291 static int initr_announce(void)
292 {
293 debug("Now running in RAM - U-Boot at: %08lx\n", gd->relocaddr);
294 return 0;
295 }
296
297 #ifdef CONFIG_NEEDS_MANUAL_RELOC
initr_manual_reloc_cmdtable(void)298 static int initr_manual_reloc_cmdtable(void)
299 {
300 fixup_cmdtable(ll_entry_start(struct cmd_tbl, cmd),
301 ll_entry_count(struct cmd_tbl, cmd));
302 return 0;
303 }
304 #endif
305
initr_binman(void)306 static int initr_binman(void)
307 {
308 int ret;
309
310 if (!CONFIG_IS_ENABLED(BINMAN_FDT))
311 return 0;
312
313 ret = binman_init();
314 if (ret)
315 printf("binman_init failed:%d\n", ret);
316
317 return ret;
318 }
319
320 #if defined(CONFIG_MTD_NOR_FLASH)
is_flash_available(void)321 __weak int is_flash_available(void)
322 {
323 return 1;
324 }
325
initr_flash(void)326 static int initr_flash(void)
327 {
328 ulong flash_size = 0;
329 struct bd_info *bd = gd->bd;
330
331 if (!is_flash_available())
332 return 0;
333
334 puts("Flash: ");
335
336 if (board_flash_wp_on())
337 printf("Uninitialized - Write Protect On\n");
338 else
339 flash_size = flash_init();
340
341 print_size(flash_size, "");
342 #ifdef CONFIG_SYS_FLASH_CHECKSUM
343 /*
344 * Compute and print flash CRC if flashchecksum is set to 'y'
345 *
346 * NOTE: Maybe we should add some schedule()? XXX
347 */
348 if (env_get_yesno("flashchecksum") == 1) {
349 const uchar *flash_base = (const uchar *)CFG_SYS_FLASH_BASE;
350
351 printf(" CRC: %08X", crc32(0,
352 flash_base,
353 flash_size));
354 }
355 #endif /* CONFIG_SYS_FLASH_CHECKSUM */
356 putc('\n');
357
358 /* update start of FLASH memory */
359 #ifdef CFG_SYS_FLASH_BASE
360 bd->bi_flashstart = CFG_SYS_FLASH_BASE;
361 #endif
362 /* size of FLASH memory (final value) */
363 bd->bi_flashsize = flash_size;
364
365 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
366 /* Make a update of the Memctrl. */
367 update_flash_size(flash_size);
368 #endif
369
370 #if defined(CONFIG_OXC) || defined(CONFIG_RMU)
371 /* flash mapped at end of memory map */
372 bd->bi_flashoffset = CONFIG_TEXT_BASE + flash_size;
373 #elif CONFIG_SYS_MONITOR_BASE == CFG_SYS_FLASH_BASE
374 bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */
375 #endif
376 return 0;
377 }
378 #endif
379
380 #ifdef CONFIG_CMD_NAND
381 /* go init the NAND */
initr_nand(void)382 static int initr_nand(void)
383 {
384 puts("NAND: ");
385 nand_init();
386 printf("%lu MiB\n", nand_size() / 1024);
387 return 0;
388 }
389 #endif
390
391 #if defined(CONFIG_CMD_ONENAND)
392 /* go init the NAND */
initr_onenand(void)393 static int initr_onenand(void)
394 {
395 puts("NAND: ");
396 onenand_init();
397 return 0;
398 }
399 #endif
400
401 #ifdef CONFIG_MMC
initr_mmc(void)402 static int initr_mmc(void)
403 {
404 puts("MMC: ");
405 mmc_initialize(gd->bd);
406 return 0;
407 }
408 #endif
409
410 #ifdef CONFIG_PVBLOCK
initr_pvblock(void)411 static int initr_pvblock(void)
412 {
413 puts("PVBLOCK: ");
414 pvblock_init();
415 return 0;
416 }
417 #endif
418
419 /*
420 * Tell if it's OK to load the environment early in boot.
421 *
422 * If CONFIG_OF_CONTROL is defined, we'll check with the FDT to see
423 * if this is OK (defaulting to saying it's OK).
424 *
425 * NOTE: Loading the environment early can be a bad idea if security is
426 * important, since no verification is done on the environment.
427 *
428 * Return: 0 if environment should not be loaded, !=0 if it is ok to load
429 */
should_load_env(void)430 static int should_load_env(void)
431 {
432 if (IS_ENABLED(CONFIG_OF_CONTROL))
433 return ofnode_conf_read_int("load-environment", 1);
434
435 if (IS_ENABLED(CONFIG_DELAY_ENVIRONMENT))
436 return 0;
437
438 return 1;
439 }
440
initr_env(void)441 static int initr_env(void)
442 {
443 /* initialize environment */
444 if (should_load_env())
445 env_relocate();
446 else
447 env_set_default(NULL, 0);
448
449 env_import_fdt();
450
451 if (IS_ENABLED(CONFIG_OF_CONTROL))
452 env_set_hex("fdtcontroladdr",
453 (unsigned long)map_to_sysmem(gd->fdt_blob));
454
455 #if (IS_ENABLED(CONFIG_SAVE_PREV_BL_INITRAMFS_START_ADDR) || \
456 IS_ENABLED(CONFIG_SAVE_PREV_BL_FDT_ADDR))
457 save_prev_bl_data();
458 #endif
459
460 /* Initialize from environment */
461 image_load_addr = env_get_ulong("loadaddr", 16, image_load_addr);
462
463 return 0;
464 }
465
466 #ifdef CONFIG_SYS_MALLOC_BOOTPARAMS
initr_malloc_bootparams(void)467 static int initr_malloc_bootparams(void)
468 {
469 gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN);
470 if (!gd->bd->bi_boot_params) {
471 puts("WARNING: Cannot allocate space for boot parameters\n");
472 return -ENOMEM;
473 }
474 return 0;
475 }
476 #endif
477
478 #if defined(CONFIG_LED_STATUS)
initr_status_led(void)479 static int initr_status_led(void)
480 {
481 #if defined(CONFIG_LED_STATUS_BOOT)
482 status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_BLINKING);
483 #else
484 status_led_init();
485 #endif
486 return 0;
487 }
488 #endif
489
490 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI)
initr_scsi(void)491 static int initr_scsi(void)
492 {
493 puts("SCSI: ");
494 scsi_init();
495 puts("\n");
496
497 return 0;
498 }
499 #endif
500
501 #ifdef CONFIG_CMD_NET
initr_net(void)502 static int initr_net(void)
503 {
504 puts("Net: ");
505 eth_initialize();
506 #if defined(CONFIG_RESET_PHY_R)
507 debug("Reset Ethernet PHY\n");
508 reset_phy();
509 #endif
510 return 0;
511 }
512 #endif
513
514 #ifdef CONFIG_POST
initr_post(void)515 static int initr_post(void)
516 {
517 post_run(NULL, POST_RAM | post_bootmode_get(0));
518 return 0;
519 }
520 #endif
521
522 #if defined(CFG_PRAM)
523 /*
524 * Export available size of memory for Linux, taking into account the
525 * protected RAM at top of memory
526 */
initr_mem(void)527 int initr_mem(void)
528 {
529 ulong pram = 0;
530 char memsz[32];
531
532 pram = env_get_ulong("pram", 10, CFG_PRAM);
533 sprintf(memsz, "%ldk", (long int)((gd->ram_size / 1024) - pram));
534 env_set("mem", memsz);
535
536 return 0;
537 }
538 #endif
539
dm_announce(void)540 static int dm_announce(void)
541 {
542 int device_count;
543 int uclass_count;
544
545 if (IS_ENABLED(CONFIG_DM)) {
546 dm_get_stats(&device_count, &uclass_count);
547 printf("Core: %d devices, %d uclasses", device_count,
548 uclass_count);
549 if (CONFIG_IS_ENABLED(OF_REAL))
550 printf(", devicetree: %s", fdtdec_get_srcname());
551 printf("\n");
552 if (IS_ENABLED(CONFIG_OF_HAS_PRIOR_STAGE) &&
553 (gd->fdt_src == FDTSRC_SEPARATE ||
554 gd->fdt_src == FDTSRC_EMBED)) {
555 printf("Warning: Unexpected devicetree source (not from a prior stage)");
556 printf("Warning: U-Boot may not function properly\n");
557 }
558 if (IS_ENABLED(CONFIG_OF_TAG_MIGRATE) &&
559 (gd->flags & GD_FLG_OF_TAG_MIGRATE))
560 /*
561 * U-Boot will silently fail to work after 2023.07 if
562 * there are old tags present
563 */
564 printf("Warning: Device tree includes old 'u-boot,dm-' tags: please fix by 2023.07!\n");
565 }
566
567 return 0;
568 }
569
run_main_loop(void)570 static int run_main_loop(void)
571 {
572 #ifdef CONFIG_SANDBOX
573 sandbox_main_loop_init();
574 #endif
575
576 event_notify_null(EVT_MAIN_LOOP);
577
578 /* main_loop() can return to retry autoboot, if so just run it again */
579 for (;;)
580 main_loop();
581 return 0;
582 }
583
584 /*
585 * We hope to remove most of the driver-related init and do it if/when
586 * the driver is later used.
587 *
588 * TODO: perhaps reset the watchdog in the initcall function after each call?
589 */
590 static init_fnc_t init_sequence_r[] = {
591 initr_trace,
592 initr_reloc,
593 event_init,
594 /* TODO: could x86/PPC have this also perhaps? */
595 #if defined(CONFIG_ARM) || defined(CONFIG_RISCV)
596 initr_caches,
597 /* Note: For Freescale LS2 SoCs, new MMU table is created in DDR.
598 * A temporary mapping of IFC high region is since removed,
599 * so environmental variables in NOR flash is not available
600 * until board_init() is called below to remap IFC to high
601 * region.
602 */
603 #endif
604 initr_reloc_global_data,
605 #if IS_ENABLED(CONFIG_NEEDS_MANUAL_RELOC) && CONFIG_IS_ENABLED(EVENT)
606 event_manual_reloc,
607 #endif
608 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
609 initr_unlock_ram_in_cache,
610 #endif
611 initr_barrier,
612 initr_malloc,
613 log_init,
614 initr_bootstage, /* Needs malloc() but has its own timer */
615 #if defined(CONFIG_CONSOLE_RECORD)
616 console_record_init,
617 #endif
618 #ifdef CONFIG_SYS_NONCACHED_MEMORY
619 noncached_init,
620 #endif
621 initr_of_live,
622 #ifdef CONFIG_DM
623 initr_dm,
624 #endif
625 #ifdef CONFIG_ADDR_MAP
626 init_addr_map,
627 #endif
628 #if defined(CONFIG_ARM) || defined(CONFIG_RISCV) || defined(CONFIG_SANDBOX)
629 board_init, /* Setup chipselects */
630 #endif
631 /*
632 * TODO: printing of the clock inforamtion of the board is now
633 * implemented as part of bdinfo command. Currently only support for
634 * davinci SOC's is added. Remove this check once all the board
635 * implement this.
636 */
637 #ifdef CONFIG_CLOCKS
638 set_cpu_clk_info, /* Setup clock information */
639 #endif
640 #ifdef CONFIG_EFI_LOADER
641 efi_memory_init,
642 #endif
643 initr_binman,
644 #ifdef CONFIG_FSP_VERSION2
645 arch_fsp_init_r,
646 #endif
647 initr_dm_devices,
648 stdio_init_tables,
649 serial_initialize,
650 initr_announce,
651 dm_announce,
652 #if CONFIG_IS_ENABLED(WDT)
653 initr_watchdog,
654 #endif
655 INIT_FUNC_WATCHDOG_RESET
656 #if defined(CONFIG_NEEDS_MANUAL_RELOC) && defined(CONFIG_BLOCK_CACHE)
657 blkcache_init,
658 #endif
659 #ifdef CONFIG_NEEDS_MANUAL_RELOC
660 initr_manual_reloc_cmdtable,
661 #endif
662 arch_initr_trap,
663 #if defined(CONFIG_BOARD_EARLY_INIT_R)
664 board_early_init_r,
665 #endif
666 INIT_FUNC_WATCHDOG_RESET
667 #ifdef CONFIG_POST
668 post_output_backlog,
669 #endif
670 INIT_FUNC_WATCHDOG_RESET
671 #if defined(CONFIG_PCI_INIT_R) && defined(CONFIG_SYS_EARLY_PCI_INIT)
672 /*
673 * Do early PCI configuration _before_ the flash gets initialised,
674 * because PCU resources are crucial for flash access on some boards.
675 */
676 pci_init,
677 #endif
678 #ifdef CONFIG_ARCH_EARLY_INIT_R
679 arch_early_init_r,
680 #endif
681 power_init_board,
682 #ifdef CONFIG_MTD_NOR_FLASH
683 initr_flash,
684 #endif
685 INIT_FUNC_WATCHDOG_RESET
686 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86)
687 /* initialize higher level parts of CPU like time base and timers */
688 cpu_init_r,
689 #endif
690 #ifdef CONFIG_EFI_LOADER
691 efi_init_early,
692 #endif
693 #ifdef CONFIG_CMD_NAND
694 initr_nand,
695 #endif
696 #ifdef CONFIG_CMD_ONENAND
697 initr_onenand,
698 #endif
699 #ifdef CONFIG_MMC
700 initr_mmc,
701 #endif
702 #ifdef CONFIG_XEN
703 xen_init,
704 #endif
705 #ifdef CONFIG_PVBLOCK
706 initr_pvblock,
707 #endif
708 initr_env,
709 #ifdef CONFIG_SYS_MALLOC_BOOTPARAMS
710 initr_malloc_bootparams,
711 #endif
712 INIT_FUNC_WATCHDOG_RESET
713 cpu_secondary_init_r,
714 #if defined(CONFIG_ID_EEPROM)
715 mac_read_from_eeprom,
716 #endif
717 INIT_FUNC_WATCHDOG_RESET
718 #if defined(CONFIG_PCI_INIT_R) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
719 /*
720 * Do pci configuration
721 */
722 pci_init,
723 #endif
724 stdio_add_devices,
725 jumptable_init,
726 #ifdef CONFIG_API
727 api_init,
728 #endif
729 console_init_r, /* fully init console as a device */
730 #ifdef CONFIG_DISPLAY_BOARDINFO_LATE
731 console_announce_r,
732 show_board_info,
733 #endif
734 #ifdef CONFIG_ARCH_MISC_INIT
735 arch_misc_init, /* miscellaneous arch-dependent init */
736 #endif
737 #ifdef CONFIG_MISC_INIT_R
738 misc_init_r, /* miscellaneous platform-dependent init */
739 #endif
740 INIT_FUNC_WATCHDOG_RESET
741 #ifdef CONFIG_CMD_KGDB
742 kgdb_init,
743 #endif
744 interrupt_init,
745 #if defined(CONFIG_MICROBLAZE) || defined(CONFIG_M68K)
746 timer_init, /* initialize timer */
747 #endif
748 #if defined(CONFIG_LED_STATUS)
749 initr_status_led,
750 #endif
751 /* PPC has a udelay(20) here dating from 2002. Why? */
752 #ifdef CONFIG_BOARD_LATE_INIT
753 board_late_init,
754 #endif
755 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI)
756 INIT_FUNC_WATCHDOG_RESET
757 initr_scsi,
758 #endif
759 #ifdef CONFIG_BITBANGMII
760 bb_miiphy_init,
761 #endif
762 #ifdef CONFIG_PCI_ENDPOINT
763 pci_ep_init,
764 #endif
765 #ifdef CONFIG_CMD_NET
766 INIT_FUNC_WATCHDOG_RESET
767 initr_net,
768 #endif
769 #ifdef CONFIG_POST
770 initr_post,
771 #endif
772 #ifdef CONFIG_LAST_STAGE_INIT
773 INIT_FUNC_WATCHDOG_RESET
774 /*
775 * Some parts can be only initialized if all others (like
776 * Interrupts) are up and running (i.e. the PC-style ISA
777 * keyboard).
778 */
779 last_stage_init,
780 #endif
781 #if defined(CFG_PRAM)
782 initr_mem,
783 #endif
784 run_main_loop,
785 };
786
board_init_r(gd_t * new_gd,ulong dest_addr)787 void board_init_r(gd_t *new_gd, ulong dest_addr)
788 {
789 /*
790 * The pre-relocation drivers may be using memory that has now gone
791 * away. Mark serial as unavailable - this will fall back to the debug
792 * UART if available.
793 *
794 * Do the same with log drivers since the memory may not be available.
795 */
796 gd->flags &= ~(GD_FLG_SERIAL_READY | GD_FLG_LOG_READY);
797
798 /*
799 * Set up the new global data pointer. So far only x86 does this
800 * here.
801 * TODO(sjg@chromium.org): Consider doing this for all archs, or
802 * dropping the new_gd parameter.
803 */
804 if (CONFIG_IS_ENABLED(X86_64) && !IS_ENABLED(CONFIG_EFI_APP))
805 arch_setup_gd(new_gd);
806
807 #if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
808 gd = new_gd;
809 #endif
810 gd->flags &= ~GD_FLG_LOG_READY;
811
812 if (IS_ENABLED(CONFIG_NEEDS_MANUAL_RELOC)) {
813 for (int i = 0; i < ARRAY_SIZE(init_sequence_r); i++)
814 MANUAL_RELOC(init_sequence_r[i]);
815 }
816
817 if (initcall_run_list(init_sequence_r))
818 hang();
819
820 /* NOTREACHED - run_main_loop() does not return */
821 hang();
822 }
823