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 <config.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 <lmb.h>
26 #include <log.h>
27 #include <net.h>
28 #include <asm/cache.h>
29 #include <asm/global_data.h>
30 #include <u-boot/crc.h>
31 #include <binman.h>
32 #include <command.h>
33 #include <console.h>
34 #include <dm.h>
35 #include <efi_loader.h>
36 #include <env.h>
37 #include <env_internal.h>
38 #include <fdtdec.h>
39 #include <init.h>
40 #include <initcall.h>
41 #include <kgdb.h>
42 #include <irq_func.h>
43 #include <led.h>
44 #include <malloc.h>
45 #include <mapmem.h>
46 #include <miiphy.h>
47 #include <mmc.h>
48 #include <mux.h>
49 #include <nand.h>
50 #include <of_live.h>
51 #include <onenand_uboot.h>
52 #include <pvblock.h>
53 #include <scsi.h>
54 #include <serial.h>
55 #include <status_led.h>
56 #include <stdio_dev.h>
57 #include <timer.h>
58 #include <trace.h>
59 #include <watchdog.h>
60 #include <xen.h>
61 #include <asm/sections.h>
62 #include <dm/root.h>
63 #include <dm/ofnode.h>
64 #include <linux/compiler.h>
65 #include <linux/err.h>
66 #include <wdt.h>
67 #include <asm-generic/gpio.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_ENV_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 	/*
156 	 * For CONFIG_OF_EMBED case the FDT is embedded into ELF, available by
157 	 * __dtb_dt_begin. After U-Boot ELF self-relocation to RAM top address
158 	 * it is worth to update fdt_blob in global_data
159 	 */
160 	if (IS_ENABLED(CONFIG_OF_EMBED))
161 		fdtdec_setup_embed();
162 
163 #ifdef CONFIG_EFI_LOADER
164 	/*
165 	 * On the ARM architecture gd is mapped to a fixed register (r9 or x18).
166 	 * As this register may be overwritten by an EFI payload we save it here
167 	 * and restore it on every callback entered.
168 	 */
169 	efi_save_gd();
170 
171 	if (!(gd->flags & GD_FLG_SKIP_RELOC))
172 		efi_runtime_relocate(gd->relocaddr, NULL);
173 
174 #endif
175 	/*
176 	 * We are done with all relocations change the permissions of the binary
177 	 * NOTE: __start_rodata etc are defined in arm64 linker scripts and
178 	 * sections.h. If you want to add support for your platform you need to
179 	 * add the symbols on your linker script, otherwise they will point to
180 	 * random addresses.
181 	 *
182 	 */
183 	if (IS_ENABLED(CONFIG_MMU_PGPROT)) {
184 		pgprot_set_attrs((phys_addr_t)(uintptr_t)(__start_rodata),
185 				 (size_t)(uintptr_t)(__end_rodata - __start_rodata),
186 				 MMU_ATTR_RO);
187 		pgprot_set_attrs((phys_addr_t)(uintptr_t)(__start_data),
188 				 (size_t)(uintptr_t)(__end_data - __start_data),
189 				 MMU_ATTR_RW);
190 		pgprot_set_attrs((phys_addr_t)(uintptr_t)(__text_start),
191 				 (size_t)(uintptr_t)(__text_end - __text_start),
192 				 MMU_ATTR_RX);
193 	}
194 
195 	return 0;
196 }
197 
arch_initr_trap(void)198 __weak int arch_initr_trap(void)
199 {
200 	return 0;
201 }
202 
203 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
initr_unlock_ram_in_cache(void)204 static int initr_unlock_ram_in_cache(void)
205 {
206 	unlock_ram_in_cache();	/* it's time to unlock D-cache in e500 */
207 	return 0;
208 }
209 #endif
210 
initr_barrier(void)211 static int initr_barrier(void)
212 {
213 #ifdef CONFIG_PPC
214 	/* TODO: Can we not use dmb() macros for this? */
215 	asm("sync ; isync");
216 #endif
217 	return 0;
218 }
219 
initr_malloc(void)220 static int initr_malloc(void)
221 {
222 	ulong start;
223 
224 #if CONFIG_IS_ENABLED(SYS_MALLOC_F)
225 	debug("Pre-reloc malloc() used %#x bytes (%d KB)\n", gd->malloc_ptr,
226 	      gd->malloc_ptr / 1024);
227 #endif
228 	/* The malloc area is immediately below the monitor copy in DRAM */
229 	/*
230 	 * This value MUST match the value of gd->start_addr_sp in board_f.c:
231 	 * reserve_noncached().
232 	 */
233 	start = gd->relocaddr - TOTAL_MALLOC_LEN;
234 	gd_set_malloc_start(start);
235 	mem_malloc_init(start, TOTAL_MALLOC_LEN);
236 	return 0;
237 }
238 
initr_of_live(void)239 static int initr_of_live(void)
240 {
241 	if (CONFIG_IS_ENABLED(OF_LIVE)) {
242 		int ret;
243 
244 		bootstage_start(BOOTSTAGE_ID_ACCUM_OF_LIVE, "of_live");
245 		ret = of_live_build(gd->fdt_blob,
246 				    (struct device_node **)gd_of_root_ptr());
247 		bootstage_accum(BOOTSTAGE_ID_ACCUM_OF_LIVE);
248 		if (ret)
249 			return ret;
250 	}
251 
252 	return 0;
253 }
254 
255 #ifdef CONFIG_DM
initr_dm(void)256 static int initr_dm(void)
257 {
258 	int ret;
259 
260 	oftree_reset();
261 
262 	/* Drop the pre-reloc driver model and start a new one */
263 	gd->dm_root = NULL;
264 #ifdef CONFIG_TIMER
265 	gd->timer = NULL;
266 #endif
267 	bootstage_start(BOOTSTAGE_ID_ACCUM_DM_R, "dm_r");
268 	ret = dm_init_and_scan(false);
269 	bootstage_accum(BOOTSTAGE_ID_ACCUM_DM_R);
270 	if (ret)
271 		return ret;
272 
273 	return dm_autoprobe();
274 }
275 #endif
276 
initr_dm_devices(void)277 static int initr_dm_devices(void)
278 {
279 	int ret;
280 
281 	if (IS_ENABLED(CONFIG_TIMER_EARLY)) {
282 		ret = dm_timer_init();
283 		if (ret)
284 			return ret;
285 	}
286 
287 	if (IS_ENABLED(CONFIG_MULTIPLEXER)) {
288 		/*
289 		 * Initialize the multiplexer controls to their default state.
290 		 * This must be done early as other drivers may unknowingly
291 		 * rely on it.
292 		 */
293 		ret = dm_mux_init();
294 		if (ret)
295 			return ret;
296 	}
297 
298 	return 0;
299 }
300 
initr_bootstage(void)301 static int initr_bootstage(void)
302 {
303 	bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
304 
305 	return 0;
306 }
307 
power_init_board(void)308 __weak int power_init_board(void)
309 {
310 	return 0;
311 }
312 
initr_announce(void)313 static int initr_announce(void)
314 {
315 	debug("Now running in RAM - U-Boot at: %08lx\n", gd->relocaddr);
316 	return 0;
317 }
318 
initr_binman(void)319 static int __maybe_unused initr_binman(void)
320 {
321 	int ret;
322 
323 	ret = binman_init();
324 	if (ret)
325 		printf("binman_init failed:%d\n", ret);
326 
327 	return ret;
328 }
329 
330 #if defined(CONFIG_MTD_NOR_FLASH)
is_flash_available(void)331 __weak int is_flash_available(void)
332 {
333 	return 1;
334 }
335 
initr_flash(void)336 static int initr_flash(void)
337 {
338 	ulong flash_size = 0;
339 	struct bd_info *bd = gd->bd;
340 
341 	if (!is_flash_available())
342 		return 0;
343 
344 	puts("Flash: ");
345 
346 	if (board_flash_wp_on())
347 		printf("Uninitialized - Write Protect On\n");
348 	else
349 		flash_size = flash_init();
350 
351 	print_size(flash_size, "");
352 #ifdef CONFIG_SYS_FLASH_CHECKSUM
353 	/*
354 	 * Compute and print flash CRC if flashchecksum is set to 'y'
355 	 *
356 	 * NOTE: Maybe we should add some schedule()? XXX
357 	 */
358 	if (env_get_yesno("flashchecksum") == 1) {
359 		const uchar *flash_base = (const uchar *)CFG_SYS_FLASH_BASE;
360 
361 		printf("  CRC: %08X", crc32(0,
362 					    flash_base,
363 					    flash_size));
364 	}
365 #endif /* CONFIG_SYS_FLASH_CHECKSUM */
366 	putc('\n');
367 
368 	/* update start of FLASH memory    */
369 #ifdef CFG_SYS_FLASH_BASE
370 	bd->bi_flashstart = CFG_SYS_FLASH_BASE;
371 #endif
372 	/* size of FLASH memory (final value) */
373 	bd->bi_flashsize = flash_size;
374 
375 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
376 	/* Make a update of the Memctrl. */
377 	update_flash_size(flash_size);
378 #endif
379 
380 #if defined(CONFIG_OXC) || defined(CONFIG_RMU)
381 	/* flash mapped at end of memory map */
382 	bd->bi_flashoffset = CONFIG_TEXT_BASE + flash_size;
383 #elif CONFIG_SYS_MONITOR_BASE == CFG_SYS_FLASH_BASE
384 	bd->bi_flashoffset = monitor_flash_len;	/* reserved area for monitor */
385 #endif
386 	return 0;
387 }
388 #endif
389 
390 #ifdef CONFIG_CMD_NAND
391 /* go init the NAND */
initr_nand(void)392 static int initr_nand(void)
393 {
394 	puts("NAND:  ");
395 	nand_init();
396 	printf("%lu MiB\n", nand_size() / 1024);
397 	return 0;
398 }
399 #endif
400 
401 #if defined(CONFIG_CMD_ONENAND)
402 /* go init the NAND */
initr_onenand(void)403 static int initr_onenand(void)
404 {
405 	puts("NAND:  ");
406 	onenand_init();
407 	return 0;
408 }
409 #endif
410 
411 #ifdef CONFIG_MMC
initr_mmc(void)412 static int initr_mmc(void)
413 {
414 	puts("MMC:   ");
415 	mmc_initialize(gd->bd);
416 	return 0;
417 }
418 #endif
419 
420 #ifdef CONFIG_PVBLOCK
initr_pvblock(void)421 static int initr_pvblock(void)
422 {
423 	puts("PVBLOCK: ");
424 	pvblock_init();
425 	return 0;
426 }
427 #endif
428 
429 /*
430  * Tell if it's OK to load the environment early in boot.
431  *
432  * If CONFIG_OF_CONTROL is defined, we'll check with the FDT to see
433  * if this is OK (defaulting to saying it's OK).
434  *
435  * NOTE: Loading the environment early can be a bad idea if security is
436  *       important, since no verification is done on the environment.
437  *
438  * Return: 0 if environment should not be loaded, !=0 if it is ok to load
439  */
should_load_env(void)440 static int should_load_env(void)
441 {
442 	if (IS_ENABLED(CONFIG_OF_CONTROL))
443 		return ofnode_conf_read_int("load-environment", 1);
444 
445 	return 1;
446 }
447 
initr_env(void)448 static int initr_env(void)
449 {
450 	/* initialize environment */
451 	if (should_load_env())
452 		env_relocate();
453 	else
454 		env_set_default(NULL, 0);
455 
456 	env_import_fdt();
457 
458 	if (IS_ENABLED(CONFIG_OF_CONTROL))
459 		env_set_hex("fdtcontroladdr",
460 			    (unsigned long)map_to_sysmem(gd->fdt_blob));
461 
462 	#if (IS_ENABLED(CONFIG_SAVE_PREV_BL_INITRAMFS_START_ADDR) || \
463 						IS_ENABLED(CONFIG_SAVE_PREV_BL_FDT_ADDR))
464 		save_prev_bl_data();
465 	#endif
466 
467 	/* Initialize from environment */
468 	image_load_addr = env_get_ulong("loadaddr", 16, image_load_addr);
469 
470 	return 0;
471 }
472 
473 #ifdef CONFIG_SYS_MALLOC_BOOTPARAMS
initr_malloc_bootparams(void)474 static int initr_malloc_bootparams(void)
475 {
476 	gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN);
477 	if (!gd->bd->bi_boot_params) {
478 		puts("WARNING: Cannot allocate space for boot parameters\n");
479 		return -ENOMEM;
480 	}
481 	return 0;
482 }
483 #endif
484 
initr_status_led(void)485 static int initr_status_led(void)
486 {
487 	status_led_init();
488 
489 	return 0;
490 }
491 
initr_boot_led_blink(void)492 static int initr_boot_led_blink(void)
493 {
494 	status_led_boot_blink();
495 
496 	led_boot_blink();
497 
498 	return 0;
499 }
500 
initr_boot_led_on(void)501 static int initr_boot_led_on(void)
502 {
503 	led_boot_on();
504 
505 	return 0;
506 }
507 
508 #if CONFIG_IS_ENABLED(NET) || CONFIG_IS_ENABLED(NET_LWIP)
initr_net(void)509 static int initr_net(void)
510 {
511 	puts("Net:   ");
512 	eth_initialize();
513 #if defined(CONFIG_RESET_PHY_R)
514 	debug("Reset Ethernet PHY\n");
515 	reset_phy();
516 #endif
517 	return 0;
518 }
519 #endif
520 
521 #ifdef CONFIG_POST
initr_post(void)522 static int initr_post(void)
523 {
524 	post_run(NULL, POST_RAM | post_bootmode_get(0));
525 	return 0;
526 }
527 #endif
528 
529 #if defined(CFG_PRAM)
530 /*
531  * Export available size of memory for Linux, taking into account the
532  * protected RAM at top of memory
533  */
initr_mem(void)534 int initr_mem(void)
535 {
536 	ulong pram = 0;
537 	char memsz[32];
538 
539 	pram = env_get_ulong("pram", 10, CFG_PRAM);
540 	sprintf(memsz, "%ldk", (long int)((gd->ram_size / 1024) - pram));
541 	env_set("mem", memsz);
542 
543 	return 0;
544 }
545 #endif
546 
initr_lmb(void)547 static int initr_lmb(void)
548 {
549 	if (CONFIG_IS_ENABLED(LMB))
550 		return lmb_init();
551 	else
552 		return 0;
553 }
554 
dm_announce(void)555 static int dm_announce(void)
556 {
557 	int device_count;
558 	int uclass_count;
559 
560 	if (IS_ENABLED(CONFIG_DM)) {
561 		dm_get_stats(&device_count, &uclass_count);
562 		printf("Core:  %d devices, %d uclasses", device_count,
563 		       uclass_count);
564 		if (CONFIG_IS_ENABLED(OF_REAL))
565 			printf(", devicetree: %s", fdtdec_get_srcname());
566 		if (CONFIG_IS_ENABLED(UPL))
567 			printf(", universal payload active");
568 		printf("\n");
569 		if (IS_ENABLED(CONFIG_OF_HAS_PRIOR_STAGE) &&
570 		    (gd->fdt_src == FDTSRC_SEPARATE ||
571 		     gd->fdt_src == FDTSRC_EMBED)) {
572 			printf("Warning: Unexpected devicetree source (not from a prior stage)");
573 			printf("Warning: U-Boot may not function properly\n");
574 		}
575 		if (IS_ENABLED(CONFIG_OF_TAG_MIGRATE) &&
576 		    (gd->flags & GD_FLG_OF_TAG_MIGRATE))
577 			/*
578 			 * U-Boot will silently fail to work after 2023.07 if
579 			 * there are old tags present
580 			 */
581 			printf("Warning: Device tree includes old 'u-boot,dm-' tags: please fix by 2023.07!\n");
582 	}
583 
584 	return 0;
585 }
586 
run_main_loop(void)587 static int run_main_loop(void)
588 {
589 #ifdef CONFIG_SANDBOX
590 	sandbox_main_loop_init();
591 #endif
592 
593 	event_notify_null(EVT_MAIN_LOOP);
594 
595 	/* main_loop() can return to retry autoboot, if so just run it again */
596 	for (;;)
597 		main_loop();
598 	return 0;
599 }
600 
601 /*
602  * Over time we hope to remove most of the driver-related init and do it
603  * if/when the driver is later used.
604  *
605  * TODO: perhaps reset the watchdog in the initcall function after each call?
606  */
607 
initcall_run_r(void)608 static void initcall_run_r(void)
609 {
610 	/*
611 	 * Please do not add logic to this function (variables, if (), etc.).
612 	 * For simplicity it should remain an ordered list of function calls.
613 	 */
614 	INITCALL(initr_trace);
615 	INITCALL(initr_reloc);
616 	INITCALL(event_init);
617 	/* TODO: could x86/PPC have this also perhaps? */
618 #if CONFIG_IS_ENABLED(ARM) || CONFIG_IS_ENABLED(RISCV)
619 	INITCALL(initr_caches);
620 	/* Note: For Freescale LS2 SoCs, new MMU table is created in DDR.
621 	 *	 A temporary mapping of IFC high region is since removed,
622 	 *	 so environmental variables in NOR flash is not available
623 	 *	 until board_init() is called below to remap IFC to high
624 	 *	 region.
625 	 */
626 #endif
627 	INITCALL(initr_reloc_global_data);
628 #if CONFIG_IS_ENABLED(SYS_INIT_RAM_LOCK) && CONFIG_IS_ENABLED(E500)
629 	INITCALL(initr_unlock_ram_in_cache);
630 #endif
631 	INITCALL(initr_barrier);
632 	INITCALL(initr_malloc);
633 	INITCALL(log_init);
634 	INITCALL(initr_bootstage); /* Needs malloc() but has its own timer */
635 #if CONFIG_IS_ENABLED(CONSOLE_RECORD)
636 	INITCALL(console_record_init);
637 #endif
638 #if CONFIG_IS_ENABLED(SYS_HAS_NONCACHED_MEMORY)
639 	INITCALL(noncached_init);
640 #endif
641 	INITCALL(initr_of_live);
642 #if CONFIG_IS_ENABLED(DM)
643 	INITCALL(initr_dm);
644 #endif
645 #if CONFIG_IS_ENABLED(ADDR_MAP)
646 	INITCALL(init_addr_map);
647 #endif
648 #if CONFIG_IS_ENABLED(BOARD_INIT)
649 	INITCALL(board_init);	/* Setup chipselects */
650 #endif
651 	/*
652 	 * TODO: printing of the clock inforamtion of the board is now
653 	 * implemented as part of bdinfo command. Currently only support for
654 	 * davinci SOC's is added. Remove this check once all the board
655 	 * implement this.
656 	 */
657 #if CONFIG_IS_ENABLED(CLOCKS)
658 	INITCALL(set_cpu_clk_info);
659 #endif
660 	INITCALL(initr_lmb);
661 #if CONFIG_IS_ENABLED(EFI_LOADER)
662 	INITCALL(efi_memory_init);
663 #endif
664 #if CONFIG_IS_ENABLED(BINMAN_FDT)
665 	INITCALL(initr_binman);
666 #endif
667 #if CONFIG_IS_ENABLED(FSP_VERSION2)
668 	INITCALL(arch_fsp_init_r);
669 #endif
670 	INITCALL(initr_dm_devices);
671 	INITCALL(stdio_init_tables);
672 	INITCALL(serial_initialize);
673 	INITCALL(initr_announce);
674 	INITCALL(dm_announce);
675 #if CONFIG_IS_ENABLED(WDT)
676 	INITCALL(initr_watchdog);
677 #endif
678 	WATCHDOG_RESET();
679 	INITCALL(arch_initr_trap);
680 #if CONFIG_IS_ENABLED(BOARD_EARLY_INIT_R)
681 	INITCALL(board_early_init_r);
682 #endif
683 	WATCHDOG_RESET();
684 #if CONFIG_IS_ENABLED(POST)
685 	INITCALL(post_output_backlog);
686 #endif
687 	WATCHDOG_RESET();
688 #if CONFIG_IS_ENABLED(PCI_INIT_R) && CONFIG_IS_ENABLED(SYS_EARLY_PCI_INIT)
689 	/*
690 	 * Do early PCI configuration _before_ the flash gets initialised,
691 	 * because PCU resources are crucial for flash access on some boards.
692 	 */
693 	INITCALL(pci_init);
694 #endif
695 #if CONFIG_IS_ENABLED(ARCH_EARLY_INIT_R)
696 	INITCALL(arch_early_init_r);
697 #endif
698 	INITCALL(power_init_board);
699 #if CONFIG_IS_ENABLED(MTD_NOR_FLASH)
700 	INITCALL(initr_flash);
701 #endif
702 	WATCHDOG_RESET();
703 #if CONFIG_IS_ENABLED(PPC) || CONFIG_IS_ENABLED(M68K) || CONFIG_IS_ENABLED(X86)
704 	/* initialize higher level parts of CPU like time base and timers */
705 	INITCALL(cpu_init_r);
706 #endif
707 #if CONFIG_IS_ENABLED(EFI_LOADER)
708 	INITCALL(efi_init_early);
709 #endif
710 #if CONFIG_IS_ENABLED(CMD_NAND)
711 	INITCALL(initr_nand);
712 #endif
713 #if CONFIG_IS_ENABLED(CMD_ONENAND)
714 	INITCALL(initr_onenand);
715 #endif
716 #if CONFIG_IS_ENABLED(MMC)
717 	INITCALL(initr_mmc);
718 #endif
719 #if CONFIG_IS_ENABLED(XEN)
720 	INITCALL(xen_init);
721 #endif
722 #if CONFIG_IS_ENABLED(PVBLOCK)
723 	INITCALL(initr_pvblock);
724 #endif
725 	INITCALL(initr_env);
726 #if CONFIG_IS_ENABLED(SYS_MALLOC_BOOTPARAMS)
727 	INITCALL(initr_malloc_bootparams);
728 #endif
729 	WATCHDOG_RESET();
730 	INITCALL(cpu_secondary_init_r);
731 #if CONFIG_IS_ENABLED(ID_EEPROM)
732 	INITCALL(mac_read_from_eeprom);
733 #endif
734 	INITCALL_EVT(EVT_SETTINGS_R);
735 	WATCHDOG_RESET();
736 #if CONFIG_IS_ENABLED(PCI_INIT_R) && !CONFIG_IS_ENABLED(SYS_EARLY_PCI_INIT)
737 	/*
738 	 * Do pci configuration
739 	 */
740 	INITCALL(pci_init);
741 #endif
742 	INITCALL(stdio_add_devices);
743 	INITCALL(jumptable_init);
744 #if CONFIG_IS_ENABLED(API)
745 	INITCALL(api_init);
746 #endif
747 	INITCALL(console_init_r);	/* fully init console as a device */
748 #if CONFIG_IS_ENABLED(DISPLAY_BOARDINFO_LATE)
749 	INITCALL(console_announce_r);
750 	INITCALL(show_board_info);
751 #endif
752 	/* miscellaneous arch-dependent init */
753 #if CONFIG_IS_ENABLED(ARCH_MISC_INIT)
754 	INITCALL(arch_misc_init);
755 #endif
756 	/* miscellaneous platform-dependent init */
757 #if CONFIG_IS_ENABLED(MISC_INIT_R)
758 	INITCALL(misc_init_r);
759 #endif
760 	WATCHDOG_RESET();
761 #if CONFIG_IS_ENABLED(CMD_KGDB)
762 	INITCALL(kgdb_init);
763 #endif
764 	INITCALL(interrupt_init);
765 #if defined(CONFIG_MICROBLAZE) || defined(CONFIG_M68K)
766 	INITCALL(timer_init);		/* initialize timer */
767 #endif
768 	INITCALL(initr_status_led);
769 	INITCALL(initr_boot_led_blink);
770 	/* PPC has a udelay(20) here dating from 2002. Why? */
771 #if CONFIG_IS_ENABLED(BOARD_LATE_INIT)
772 	INITCALL(board_late_init);
773 #endif
774 #if CONFIG_IS_ENABLED(PCI_ENDPOINT)
775 	INITCALL(pci_ep_init);
776 #endif
777 #if CONFIG_IS_ENABLED(NET) || CONFIG_IS_ENABLED(NET_LWIP)
778 	WATCHDOG_RESET();
779 	INITCALL(initr_net);
780 #endif
781 #if CONFIG_IS_ENABLED(POST)
782 	INITCALL(initr_post);
783 #endif
784 	WATCHDOG_RESET();
785 	INITCALL_EVT(EVT_LAST_STAGE_INIT);
786 #if defined(CFG_PRAM)
787 	INITCALL(initr_mem);
788 #endif
789 	INITCALL(initr_boot_led_on);
790 	INITCALL(run_main_loop);
791 }
792 
board_init_r(gd_t * new_gd,ulong dest_addr)793 void board_init_r(gd_t *new_gd, ulong dest_addr)
794 {
795 	/*
796 	 * The pre-relocation drivers may be using memory that has now gone
797 	 * away. Mark serial as unavailable - this will fall back to the debug
798 	 * UART if available.
799 	 *
800 	 * Do the same with log drivers since the memory may not be available.
801 	 */
802 	gd->flags &= ~(GD_FLG_SERIAL_READY | GD_FLG_LOG_READY);
803 
804 	/*
805 	 * Set up the new global data pointer. So far only x86 does this
806 	 * here.
807 	 * TODO(sjg@chromium.org): Consider doing this for all archs, or
808 	 * dropping the new_gd parameter.
809 	 */
810 	if (CONFIG_IS_ENABLED(X86_64) && !IS_ENABLED(CONFIG_EFI_APP))
811 		arch_setup_gd(new_gd);
812 
813 #if defined(CONFIG_RISCV)
814 	set_gd(new_gd);
815 #elif !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
816 	gd = new_gd;
817 #endif
818 	gd->flags &= ~GD_FLG_LOG_READY;
819 
820 	initcall_run_r();
821 
822 	/* NOTREACHED - run_main_loop() does not return */
823 	hang();
824 }
825