xref: /openbmc/u-boot/common/board_r.c (revision e8645527)
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 #ifdef CONFIG_HAS_DATAFLASH
22 #include <dataflash.h>
23 #endif
24 #include <dm.h>
25 #include <environment.h>
26 #include <fdtdec.h>
27 #include <ide.h>
28 #include <initcall.h>
29 #include <init_helpers.h>
30 #ifdef CONFIG_PS2KBD
31 #include <keyboard.h>
32 #endif
33 #if defined(CONFIG_CMD_KGDB)
34 #include <kgdb.h>
35 #endif
36 #include <logbuff.h>
37 #include <malloc.h>
38 #include <mapmem.h>
39 #ifdef CONFIG_BITBANGMII
40 #include <miiphy.h>
41 #endif
42 #include <mmc.h>
43 #include <nand.h>
44 #include <of_live.h>
45 #include <onenand_uboot.h>
46 #include <scsi.h>
47 #include <serial.h>
48 #include <spi.h>
49 #include <stdio_dev.h>
50 #include <timer.h>
51 #include <trace.h>
52 #include <watchdog.h>
53 #ifdef CONFIG_ADDR_MAP
54 #include <asm/mmu.h>
55 #endif
56 #include <asm/sections.h>
57 #include <dm/root.h>
58 #include <linux/compiler.h>
59 #include <linux/err.h>
60 #include <efi_loader.h>
61 
62 DECLARE_GLOBAL_DATA_PTR;
63 
64 ulong monitor_flash_len;
65 
66 __weak int board_flash_wp_on(void)
67 {
68 	/*
69 	 * Most flashes can't be detected when write protection is enabled,
70 	 * so provide a way to let U-Boot gracefully ignore write protected
71 	 * devices.
72 	 */
73 	return 0;
74 }
75 
76 __weak void cpu_secondary_init_r(void)
77 {
78 }
79 
80 static int initr_secondary_cpu(void)
81 {
82 	/*
83 	 * after non-volatile devices & environment is setup and cpu code have
84 	 * another round to deal with any initialization that might require
85 	 * full access to the environment or loading of some image (firmware)
86 	 * from a non-volatile device
87 	 */
88 	/* TODO: maybe define this for all archs? */
89 	cpu_secondary_init_r();
90 
91 	return 0;
92 }
93 
94 static int initr_trace(void)
95 {
96 #ifdef CONFIG_TRACE
97 	trace_init(gd->trace_buff, CONFIG_TRACE_BUFFER_SIZE);
98 #endif
99 
100 	return 0;
101 }
102 
103 static int initr_reloc(void)
104 {
105 	/* tell others: relocation done */
106 	gd->flags |= GD_FLG_RELOC | GD_FLG_FULL_MALLOC_INIT;
107 
108 	return 0;
109 }
110 
111 #ifdef CONFIG_ARM
112 /*
113  * Some of these functions are needed purely because the functions they
114  * call return void. If we change them to return 0, these stubs can go away.
115  */
116 static int initr_caches(void)
117 {
118 	/* Enable caches */
119 	enable_caches();
120 	return 0;
121 }
122 #endif
123 
124 __weak int fixup_cpu(void)
125 {
126 	return 0;
127 }
128 
129 static int initr_reloc_global_data(void)
130 {
131 #ifdef __ARM__
132 	monitor_flash_len = _end - __image_copy_start;
133 #elif defined(CONFIG_NDS32)
134 	monitor_flash_len = (ulong)&_end - (ulong)&_start;
135 #elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2)
136 	monitor_flash_len = (ulong)&__init_end - gd->relocaddr;
137 #endif
138 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
139 	/*
140 	 * The gd->cpu pointer is set to an address in flash before relocation.
141 	 * We need to update it to point to the same CPU entry in RAM.
142 	 * TODO: why not just add gd->reloc_ofs?
143 	 */
144 	gd->arch.cpu += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
145 
146 	/*
147 	 * If we didn't know the cpu mask & # cores, we can save them of
148 	 * now rather than 'computing' them constantly
149 	 */
150 	fixup_cpu();
151 #endif
152 #ifdef CONFIG_SYS_EXTRA_ENV_RELOC
153 	/*
154 	 * Some systems need to relocate the env_addr pointer early because the
155 	 * location it points to will get invalidated before env_relocate is
156 	 * called.  One example is on systems that might use a L2 or L3 cache
157 	 * in SRAM mode and initialize that cache from SRAM mode back to being
158 	 * a cache in cpu_init_r.
159 	 */
160 	gd->env_addr += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
161 #endif
162 #ifdef CONFIG_OF_EMBED
163 	/*
164 	* The fdt_blob needs to be moved to new relocation address
165 	* incase of FDT blob is embedded with in image
166 	*/
167 	gd->fdt_blob += gd->reloc_off;
168 #endif
169 #ifdef CONFIG_EFI_LOADER
170 	efi_runtime_relocate(gd->relocaddr, NULL);
171 #endif
172 
173 	return 0;
174 }
175 
176 static int initr_serial(void)
177 {
178 	serial_initialize();
179 	return 0;
180 }
181 
182 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS)
183 static int initr_trap(void)
184 {
185 	/*
186 	 * Setup trap handlers
187 	 */
188 #if defined(CONFIG_PPC)
189 	trap_init(gd->relocaddr);
190 #else
191 	trap_init(CONFIG_SYS_SDRAM_BASE);
192 #endif
193 	return 0;
194 }
195 #endif
196 
197 #ifdef CONFIG_ADDR_MAP
198 static int initr_addr_map(void)
199 {
200 	init_addr_map();
201 
202 	return 0;
203 }
204 #endif
205 
206 #ifdef CONFIG_LOGBUFFER
207 unsigned long logbuffer_base(void)
208 {
209 	return gd->ram_top - LOGBUFF_LEN;
210 }
211 
212 static int initr_logbuffer(void)
213 {
214 	logbuff_init_ptrs();
215 	return 0;
216 }
217 #endif
218 
219 #ifdef CONFIG_POST
220 static int initr_post_backlog(void)
221 {
222 	post_output_backlog();
223 	return 0;
224 }
225 #endif
226 
227 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
228 static int initr_unlock_ram_in_cache(void)
229 {
230 	unlock_ram_in_cache();	/* it's time to unlock D-cache in e500 */
231 	return 0;
232 }
233 #endif
234 
235 #ifdef CONFIG_PCI
236 static int initr_pci(void)
237 {
238 #ifndef CONFIG_DM_PCI
239 	pci_init();
240 #endif
241 
242 	return 0;
243 }
244 #endif
245 
246 static int initr_barrier(void)
247 {
248 #ifdef CONFIG_PPC
249 	/* TODO: Can we not use dmb() macros for this? */
250 	asm("sync ; isync");
251 #endif
252 	return 0;
253 }
254 
255 static int initr_malloc(void)
256 {
257 	ulong malloc_start;
258 
259 #if CONFIG_VAL(SYS_MALLOC_F_LEN)
260 	debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
261 	      gd->malloc_ptr / 1024);
262 #endif
263 	/* The malloc area is immediately below the monitor copy in DRAM */
264 	malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN;
265 	mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN),
266 			TOTAL_MALLOC_LEN);
267 	return 0;
268 }
269 
270 static int initr_console_record(void)
271 {
272 #if defined(CONFIG_CONSOLE_RECORD)
273 	return console_record_init();
274 #else
275 	return 0;
276 #endif
277 }
278 
279 #ifdef CONFIG_SYS_NONCACHED_MEMORY
280 static int initr_noncached(void)
281 {
282 	noncached_init();
283 	return 0;
284 }
285 #endif
286 
287 #ifdef CONFIG_OF_LIVE
288 static int initr_of_live(void)
289 {
290 	int ret;
291 
292 	bootstage_start(BOOTSTAGE_ID_ACCUM_OF_LIVE, "of_live");
293 	ret = of_live_build(gd->fdt_blob, (struct device_node **)&gd->of_root);
294 	bootstage_accum(BOOTSTAGE_ID_ACCUM_OF_LIVE);
295 	if (ret)
296 		return ret;
297 
298 	return 0;
299 }
300 #endif
301 
302 #ifdef CONFIG_DM
303 static int initr_dm(void)
304 {
305 	int ret;
306 
307 	/* Save the pre-reloc driver model and start a new one */
308 	gd->dm_root_f = gd->dm_root;
309 	gd->dm_root = NULL;
310 #ifdef CONFIG_TIMER
311 	gd->timer = NULL;
312 #endif
313 	bootstage_start(BOOTSTATE_ID_ACCUM_DM_R, "dm_r");
314 	ret = dm_init_and_scan(false);
315 	bootstage_accum(BOOTSTATE_ID_ACCUM_DM_R);
316 	if (ret)
317 		return ret;
318 #ifdef CONFIG_TIMER_EARLY
319 	ret = dm_timer_init();
320 	if (ret)
321 		return ret;
322 #endif
323 
324 	return 0;
325 }
326 #endif
327 
328 static int initr_bootstage(void)
329 {
330 	bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
331 
332 	return 0;
333 }
334 
335 __weak int power_init_board(void)
336 {
337 	return 0;
338 }
339 
340 static int initr_announce(void)
341 {
342 	debug("Now running in RAM - U-Boot at: %08lx\n", gd->relocaddr);
343 	return 0;
344 }
345 
346 #ifdef CONFIG_NEEDS_MANUAL_RELOC
347 static int initr_manual_reloc_cmdtable(void)
348 {
349 	fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd),
350 		       ll_entry_count(cmd_tbl_t, cmd));
351 	return 0;
352 }
353 #endif
354 
355 #if defined(CONFIG_MTD_NOR_FLASH)
356 static int initr_flash(void)
357 {
358 	ulong flash_size = 0;
359 	bd_t *bd = gd->bd;
360 
361 	puts("Flash: ");
362 
363 	if (board_flash_wp_on())
364 		printf("Uninitialized - Write Protect On\n");
365 	else
366 		flash_size = flash_init();
367 
368 	print_size(flash_size, "");
369 #ifdef CONFIG_SYS_FLASH_CHECKSUM
370 	/*
371 	* Compute and print flash CRC if flashchecksum is set to 'y'
372 	*
373 	* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
374 	*/
375 	if (env_get_yesno("flashchecksum") == 1) {
376 		printf("  CRC: %08X", crc32(0,
377 			(const unsigned char *) CONFIG_SYS_FLASH_BASE,
378 			flash_size));
379 	}
380 #endif /* CONFIG_SYS_FLASH_CHECKSUM */
381 	putc('\n');
382 
383 	/* update start of FLASH memory    */
384 #ifdef CONFIG_SYS_FLASH_BASE
385 	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
386 #endif
387 	/* size of FLASH memory (final value) */
388 	bd->bi_flashsize = flash_size;
389 
390 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
391 	/* Make a update of the Memctrl. */
392 	update_flash_size(flash_size);
393 #endif
394 
395 
396 #if defined(CONFIG_OXC) || defined(CONFIG_RMU)
397 	/* flash mapped at end of memory map */
398 	bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
399 #elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
400 	bd->bi_flashoffset = monitor_flash_len;	/* reserved area for monitor */
401 #endif
402 	return 0;
403 }
404 #endif
405 
406 #if defined(CONFIG_PPC) && !defined(CONFIG_DM_SPI)
407 static int initr_spi(void)
408 {
409 	/* PPC does this here */
410 #ifdef CONFIG_SPI
411 #if !defined(CONFIG_ENV_IS_IN_EEPROM)
412 	spi_init_f();
413 #endif
414 	spi_init_r();
415 #endif
416 	return 0;
417 }
418 #endif
419 
420 #ifdef CONFIG_CMD_NAND
421 /* go init the NAND */
422 static int initr_nand(void)
423 {
424 	puts("NAND:  ");
425 	nand_init();
426 	printf("%lu MiB\n", nand_size() / 1024);
427 	return 0;
428 }
429 #endif
430 
431 #if defined(CONFIG_CMD_ONENAND)
432 /* go init the NAND */
433 static int initr_onenand(void)
434 {
435 	puts("NAND:  ");
436 	onenand_init();
437 	return 0;
438 }
439 #endif
440 
441 #ifdef CONFIG_MMC
442 static int initr_mmc(void)
443 {
444 	puts("MMC:   ");
445 	mmc_initialize(gd->bd);
446 	return 0;
447 }
448 #endif
449 
450 #ifdef CONFIG_HAS_DATAFLASH
451 static int initr_dataflash(void)
452 {
453 	AT91F_DataflashInit();
454 	dataflash_print_info();
455 	return 0;
456 }
457 #endif
458 
459 /*
460  * Tell if it's OK to load the environment early in boot.
461  *
462  * If CONFIG_OF_CONTROL is defined, we'll check with the FDT to see
463  * if this is OK (defaulting to saying it's OK).
464  *
465  * NOTE: Loading the environment early can be a bad idea if security is
466  *       important, since no verification is done on the environment.
467  *
468  * @return 0 if environment should not be loaded, !=0 if it is ok to load
469  */
470 static int should_load_env(void)
471 {
472 #ifdef CONFIG_OF_CONTROL
473 	return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1);
474 #elif defined CONFIG_DELAY_ENVIRONMENT
475 	return 0;
476 #else
477 	return 1;
478 #endif
479 }
480 
481 static int initr_env(void)
482 {
483 	/* initialize environment */
484 	if (should_load_env())
485 		env_relocate();
486 	else
487 		set_default_env(NULL);
488 #ifdef CONFIG_OF_CONTROL
489 	env_set_addr("fdtcontroladdr", gd->fdt_blob);
490 #endif
491 
492 	/* Initialize from environment */
493 	load_addr = env_get_ulong("loadaddr", 16, load_addr);
494 
495 	return 0;
496 }
497 
498 #ifdef CONFIG_SYS_BOOTPARAMS_LEN
499 static int initr_malloc_bootparams(void)
500 {
501 	gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN);
502 	if (!gd->bd->bi_boot_params) {
503 		puts("WARNING: Cannot allocate space for boot parameters\n");
504 		return -ENOMEM;
505 	}
506 	return 0;
507 }
508 #endif
509 
510 static int initr_jumptable(void)
511 {
512 	jumptable_init();
513 	return 0;
514 }
515 
516 #if defined(CONFIG_API)
517 static int initr_api(void)
518 {
519 	/* Initialize API */
520 	api_init();
521 	return 0;
522 }
523 #endif
524 
525 /* enable exceptions */
526 #ifdef CONFIG_ARM
527 static int initr_enable_interrupts(void)
528 {
529 	enable_interrupts();
530 	return 0;
531 }
532 #endif
533 
534 #ifdef CONFIG_CMD_NET
535 static int initr_ethaddr(void)
536 {
537 	bd_t *bd = gd->bd;
538 
539 	/* kept around for legacy kernels only ... ignore the next section */
540 	eth_env_get_enetaddr("ethaddr", bd->bi_enetaddr);
541 #ifdef CONFIG_HAS_ETH1
542 	eth_env_get_enetaddr("eth1addr", bd->bi_enet1addr);
543 #endif
544 #ifdef CONFIG_HAS_ETH2
545 	eth_env_get_enetaddr("eth2addr", bd->bi_enet2addr);
546 #endif
547 #ifdef CONFIG_HAS_ETH3
548 	eth_env_get_enetaddr("eth3addr", bd->bi_enet3addr);
549 #endif
550 #ifdef CONFIG_HAS_ETH4
551 	eth_env_get_enetaddr("eth4addr", bd->bi_enet4addr);
552 #endif
553 #ifdef CONFIG_HAS_ETH5
554 	eth_env_get_enetaddr("eth5addr", bd->bi_enet5addr);
555 #endif
556 	return 0;
557 }
558 #endif /* CONFIG_CMD_NET */
559 
560 #ifdef CONFIG_CMD_KGDB
561 static int initr_kgdb(void)
562 {
563 	puts("KGDB:  ");
564 	kgdb_init();
565 	return 0;
566 }
567 #endif
568 
569 #if defined(CONFIG_LED_STATUS)
570 static int initr_status_led(void)
571 {
572 #if defined(CONFIG_LED_STATUS_BOOT)
573 	status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_BLINKING);
574 #else
575 	status_led_init();
576 #endif
577 	return 0;
578 }
579 #endif
580 
581 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI)
582 static int initr_scsi(void)
583 {
584 	puts("SCSI:  ");
585 	scsi_init();
586 
587 	return 0;
588 }
589 #endif
590 
591 #ifdef CONFIG_BITBANGMII
592 static int initr_bbmii(void)
593 {
594 	bb_miiphy_init();
595 	return 0;
596 }
597 #endif
598 
599 #ifdef CONFIG_CMD_NET
600 static int initr_net(void)
601 {
602 	puts("Net:   ");
603 	eth_initialize();
604 #if defined(CONFIG_RESET_PHY_R)
605 	debug("Reset Ethernet PHY\n");
606 	reset_phy();
607 #endif
608 	return 0;
609 }
610 #endif
611 
612 #ifdef CONFIG_POST
613 static int initr_post(void)
614 {
615 	post_run(NULL, POST_RAM | post_bootmode_get(0));
616 	return 0;
617 }
618 #endif
619 
620 #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE)
621 static int initr_pcmcia(void)
622 {
623 	puts("PCMCIA:");
624 	pcmcia_init();
625 	return 0;
626 }
627 #endif
628 
629 #if defined(CONFIG_IDE)
630 static int initr_ide(void)
631 {
632 	puts("IDE:   ");
633 #if defined(CONFIG_START_IDE)
634 	if (board_start_ide())
635 		ide_init();
636 #else
637 	ide_init();
638 #endif
639 	return 0;
640 }
641 #endif
642 
643 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
644 /*
645  * Export available size of memory for Linux, taking into account the
646  * protected RAM at top of memory
647  */
648 int initr_mem(void)
649 {
650 	ulong pram = 0;
651 	char memsz[32];
652 
653 # ifdef CONFIG_PRAM
654 	pram = env_get_ulong("pram", 10, CONFIG_PRAM);
655 # endif
656 # if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR)
657 	/* Also take the logbuffer into account (pram is in kB) */
658 	pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024;
659 # endif
660 	sprintf(memsz, "%ldk", (long int) ((gd->ram_size / 1024) - pram));
661 	env_set("mem", memsz);
662 
663 	return 0;
664 }
665 #endif
666 
667 #ifdef CONFIG_CMD_BEDBUG
668 static int initr_bedbug(void)
669 {
670 	bedbug_init();
671 
672 	return 0;
673 }
674 #endif
675 
676 #ifdef CONFIG_PS2KBD
677 static int initr_kbd(void)
678 {
679 	puts("PS/2:  ");
680 	kbd_init();
681 	return 0;
682 }
683 #endif
684 
685 static int run_main_loop(void)
686 {
687 #ifdef CONFIG_SANDBOX
688 	sandbox_main_loop_init();
689 #endif
690 	/* main_loop() can return to retry autoboot, if so just run it again */
691 	for (;;)
692 		main_loop();
693 	return 0;
694 }
695 
696 /*
697  * Over time we hope to remove these functions with code fragments and
698  * stub funtcions, and instead call the relevant function directly.
699  *
700  * We also hope to remove most of the driver-related init and do it if/when
701  * the driver is later used.
702  *
703  * TODO: perhaps reset the watchdog in the initcall function after each call?
704  */
705 static init_fnc_t init_sequence_r[] = {
706 	initr_trace,
707 	initr_reloc,
708 	/* TODO: could x86/PPC have this also perhaps? */
709 #ifdef CONFIG_ARM
710 	initr_caches,
711 	/* Note: For Freescale LS2 SoCs, new MMU table is created in DDR.
712 	 *	 A temporary mapping of IFC high region is since removed,
713 	 *	 so environmental variables in NOR flash is not availble
714 	 *	 until board_init() is called below to remap IFC to high
715 	 *	 region.
716 	 */
717 #endif
718 	initr_reloc_global_data,
719 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
720 	initr_unlock_ram_in_cache,
721 #endif
722 	initr_barrier,
723 	initr_malloc,
724 	initr_bootstage,	/* Needs malloc() but has its own timer */
725 	initr_console_record,
726 #ifdef CONFIG_SYS_NONCACHED_MEMORY
727 	initr_noncached,
728 #endif
729 	bootstage_relocate,
730 #ifdef CONFIG_OF_LIVE
731 	initr_of_live,
732 #endif
733 #ifdef CONFIG_DM
734 	initr_dm,
735 #endif
736 #if defined(CONFIG_ARM) || defined(CONFIG_NDS32)
737 	board_init,	/* Setup chipselects */
738 #endif
739 	/*
740 	 * TODO: printing of the clock inforamtion of the board is now
741 	 * implemented as part of bdinfo command. Currently only support for
742 	 * davinci SOC's is added. Remove this check once all the board
743 	 * implement this.
744 	 */
745 #ifdef CONFIG_CLOCKS
746 	set_cpu_clk_info, /* Setup clock information */
747 #endif
748 #ifdef CONFIG_EFI_LOADER
749 	efi_memory_init,
750 #endif
751 	stdio_init_tables,
752 	initr_serial,
753 	initr_announce,
754 	INIT_FUNC_WATCHDOG_RESET
755 #ifdef CONFIG_NEEDS_MANUAL_RELOC
756 	initr_manual_reloc_cmdtable,
757 #endif
758 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS)
759 	initr_trap,
760 #endif
761 #ifdef CONFIG_ADDR_MAP
762 	initr_addr_map,
763 #endif
764 #if defined(CONFIG_BOARD_EARLY_INIT_R)
765 	board_early_init_r,
766 #endif
767 	INIT_FUNC_WATCHDOG_RESET
768 #ifdef CONFIG_LOGBUFFER
769 	initr_logbuffer,
770 #endif
771 #ifdef CONFIG_POST
772 	initr_post_backlog,
773 #endif
774 	INIT_FUNC_WATCHDOG_RESET
775 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT)
776 	/*
777 	 * Do early PCI configuration _before_ the flash gets initialised,
778 	 * because PCU ressources are crucial for flash access on some boards.
779 	 */
780 	initr_pci,
781 #endif
782 #ifdef CONFIG_ARCH_EARLY_INIT_R
783 	arch_early_init_r,
784 #endif
785 	power_init_board,
786 #ifdef CONFIG_MTD_NOR_FLASH
787 	initr_flash,
788 #endif
789 	INIT_FUNC_WATCHDOG_RESET
790 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86)
791 	/* initialize higher level parts of CPU like time base and timers */
792 	cpu_init_r,
793 #endif
794 #ifdef CONFIG_PPC
795 	initr_spi,
796 #endif
797 #ifdef CONFIG_CMD_NAND
798 	initr_nand,
799 #endif
800 #ifdef CONFIG_CMD_ONENAND
801 	initr_onenand,
802 #endif
803 #ifdef CONFIG_MMC
804 	initr_mmc,
805 #endif
806 #ifdef CONFIG_HAS_DATAFLASH
807 	initr_dataflash,
808 #endif
809 	initr_env,
810 #ifdef CONFIG_SYS_BOOTPARAMS_LEN
811 	initr_malloc_bootparams,
812 #endif
813 	INIT_FUNC_WATCHDOG_RESET
814 	initr_secondary_cpu,
815 #if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET)
816 	mac_read_from_eeprom,
817 #endif
818 	INIT_FUNC_WATCHDOG_RESET
819 #if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
820 	/*
821 	 * Do pci configuration
822 	 */
823 	initr_pci,
824 #endif
825 	stdio_add_devices,
826 	initr_jumptable,
827 #ifdef CONFIG_API
828 	initr_api,
829 #endif
830 	console_init_r,		/* fully init console as a device */
831 #ifdef CONFIG_DISPLAY_BOARDINFO_LATE
832 	console_announce_r,
833 	show_board_info,
834 #endif
835 #ifdef CONFIG_ARCH_MISC_INIT
836 	arch_misc_init,		/* miscellaneous arch-dependent init */
837 #endif
838 #ifdef CONFIG_MISC_INIT_R
839 	misc_init_r,		/* miscellaneous platform-dependent init */
840 #endif
841 	INIT_FUNC_WATCHDOG_RESET
842 #ifdef CONFIG_CMD_KGDB
843 	initr_kgdb,
844 #endif
845 	interrupt_init,
846 #ifdef CONFIG_ARM
847 	initr_enable_interrupts,
848 #endif
849 #if defined(CONFIG_MICROBLAZE) || defined(CONFIG_M68K)
850 	timer_init,		/* initialize timer */
851 #endif
852 #if defined(CONFIG_LED_STATUS)
853 	initr_status_led,
854 #endif
855 	/* PPC has a udelay(20) here dating from 2002. Why? */
856 #ifdef CONFIG_CMD_NET
857 	initr_ethaddr,
858 #endif
859 #ifdef CONFIG_BOARD_LATE_INIT
860 	board_late_init,
861 #endif
862 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI)
863 	INIT_FUNC_WATCHDOG_RESET
864 	initr_scsi,
865 #endif
866 #ifdef CONFIG_BITBANGMII
867 	initr_bbmii,
868 #endif
869 #ifdef CONFIG_CMD_NET
870 	INIT_FUNC_WATCHDOG_RESET
871 	initr_net,
872 #endif
873 #ifdef CONFIG_POST
874 	initr_post,
875 #endif
876 #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE)
877 	initr_pcmcia,
878 #endif
879 #if defined(CONFIG_IDE)
880 	initr_ide,
881 #endif
882 #ifdef CONFIG_LAST_STAGE_INIT
883 	INIT_FUNC_WATCHDOG_RESET
884 	/*
885 	 * Some parts can be only initialized if all others (like
886 	 * Interrupts) are up and running (i.e. the PC-style ISA
887 	 * keyboard).
888 	 */
889 	last_stage_init,
890 #endif
891 #ifdef CONFIG_CMD_BEDBUG
892 	INIT_FUNC_WATCHDOG_RESET
893 	initr_bedbug,
894 #endif
895 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
896 	initr_mem,
897 #endif
898 #ifdef CONFIG_PS2KBD
899 	initr_kbd,
900 #endif
901 	run_main_loop,
902 };
903 
904 void board_init_r(gd_t *new_gd, ulong dest_addr)
905 {
906 	/*
907 	 * Set up the new global data pointer. So far only x86 does this
908 	 * here.
909 	 * TODO(sjg@chromium.org): Consider doing this for all archs, or
910 	 * dropping the new_gd parameter.
911 	 */
912 #if CONFIG_IS_ENABLED(X86_64)
913 	arch_setup_gd(new_gd);
914 #endif
915 
916 #ifdef CONFIG_NEEDS_MANUAL_RELOC
917 	int i;
918 #endif
919 
920 #if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
921 	gd = new_gd;
922 #endif
923 
924 #ifdef CONFIG_NEEDS_MANUAL_RELOC
925 	for (i = 0; i < ARRAY_SIZE(init_sequence_r); i++)
926 		init_sequence_r[i] += gd->reloc_off;
927 #endif
928 
929 	if (initcall_run_list(init_sequence_r))
930 		hang();
931 
932 	/* NOTREACHED - run_main_loop() does not return */
933 	hang();
934 }
935