xref: /rk3399_rockchip-uboot/common/board_r.c (revision 008ec9b4bc06f98dd7efdc7d2f44eb066be036e6)
1 /*
2  * Copyright (c) 2011 The Chromium OS Authors.
3  * (C) Copyright 2002-2006
4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5  *
6  * (C) Copyright 2002
7  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
8  * Marius Groeger <mgroeger@sysgo.de>
9  *
10  * SPDX-License-Identifier:	GPL-2.0+
11  */
12 
13 #include <common.h>
14 #include <api.h>
15 /* TODO: can we just include all these headers whether needed or not? */
16 #if defined(CONFIG_CMD_BEDBUG)
17 #include <bedbug/type.h>
18 #endif
19 #include <command.h>
20 #include <console.h>
21 #include <dm.h>
22 #include <environment.h>
23 #include <fdtdec.h>
24 #include <ide.h>
25 #include <initcall.h>
26 #include <init_helpers.h>
27 #ifdef CONFIG_PS2KBD
28 #include <keyboard.h>
29 #endif
30 #if defined(CONFIG_CMD_KGDB)
31 #include <kgdb.h>
32 #endif
33 #include <malloc.h>
34 #include <mapmem.h>
35 #include <memalign.h>
36 #ifdef CONFIG_BITBANGMII
37 #include <miiphy.h>
38 #endif
39 #include <mmc.h>
40 #include <nand.h>
41 #include <of_live.h>
42 #include <onenand_uboot.h>
43 #include <scsi.h>
44 #include <serial.h>
45 #include <spi.h>
46 #include <stdio_dev.h>
47 #include <timer.h>
48 #include <trace.h>
49 #include <watchdog.h>
50 #ifdef CONFIG_ADDR_MAP
51 #include <asm/mmu.h>
52 #endif
53 #include <asm/sections.h>
54 #include <dm/root.h>
55 #include <linux/compiler.h>
56 #include <linux/err.h>
57 #include <efi_loader.h>
58 #include <sysmem.h>
59 #include <bidram.h>
60 
61 DECLARE_GLOBAL_DATA_PTR;
62 
63 ulong monitor_flash_len;
64 
65 __weak int board_flash_wp_on(void)
66 {
67 	/*
68 	 * Most flashes can't be detected when write protection is enabled,
69 	 * so provide a way to let U-Boot gracefully ignore write protected
70 	 * devices.
71 	 */
72 	return 0;
73 }
74 
75 __weak void cpu_secondary_init_r(void)
76 {
77 }
78 
79 static int initr_secondary_cpu(void)
80 {
81 	/*
82 	 * after non-volatile devices & environment is setup and cpu code have
83 	 * another round to deal with any initialization that might require
84 	 * full access to the environment or loading of some image (firmware)
85 	 * from a non-volatile device
86 	 */
87 	/* TODO: maybe define this for all archs? */
88 	cpu_secondary_init_r();
89 
90 	return 0;
91 }
92 
93 static int initr_trace(void)
94 {
95 #ifdef CONFIG_TRACE
96 	trace_init(gd->trace_buff, CONFIG_TRACE_BUFFER_SIZE);
97 #endif
98 
99 	return 0;
100 }
101 
102 static int initr_reloc(void)
103 {
104 	/* tell others: relocation done */
105 	gd->flags |= GD_FLG_RELOC | GD_FLG_FULL_MALLOC_INIT;
106 
107 	return 0;
108 }
109 
110 #ifdef CONFIG_ARM
111 /*
112  * Some of these functions are needed purely because the functions they
113  * call return void. If we change them to return 0, these stubs can go away.
114  */
115 static int initr_caches(void)
116 {
117 	/* Enable caches */
118 	enable_caches();
119 	return 0;
120 }
121 #endif
122 
123 __weak int fixup_cpu(void)
124 {
125 	return 0;
126 }
127 
128 static int initr_reloc_global_data(void)
129 {
130 #ifdef __ARM__
131 	monitor_flash_len = _end - __image_copy_start;
132 #elif defined(CONFIG_NDS32)
133 	monitor_flash_len = (ulong)&_end - (ulong)&_start;
134 #elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2)
135 	monitor_flash_len = (ulong)&__init_end - gd->relocaddr;
136 #endif
137 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
138 	/*
139 	 * The gd->cpu pointer is set to an address in flash before relocation.
140 	 * We need to update it to point to the same CPU entry in RAM.
141 	 * TODO: why not just add gd->reloc_ofs?
142 	 */
143 	gd->arch.cpu += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
144 
145 	/*
146 	 * If we didn't know the cpu mask & # cores, we can save them of
147 	 * now rather than 'computing' them constantly
148 	 */
149 	fixup_cpu();
150 #endif
151 #ifdef CONFIG_SYS_EXTRA_ENV_RELOC
152 	/*
153 	 * Some systems need to relocate the env_addr pointer early because the
154 	 * location it points to will get invalidated before env_relocate is
155 	 * called.  One example is on systems that might use a L2 or L3 cache
156 	 * in SRAM mode and initialize that cache from SRAM mode back to being
157 	 * a cache in cpu_init_r.
158 	 */
159 	gd->env_addr += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
160 #endif
161 #ifdef CONFIG_OF_EMBED
162 	/*
163 	* The fdt_blob needs to be moved to new relocation address
164 	* incase of FDT blob is embedded with in image
165 	*/
166 	gd->fdt_blob += gd->reloc_off;
167 #endif
168 #ifdef CONFIG_EFI_LOADER
169 	efi_runtime_relocate(gd->relocaddr, NULL);
170 #endif
171 
172 	return 0;
173 }
174 
175 static int initr_serial(void)
176 {
177 	serial_initialize();
178 	return 0;
179 }
180 
181 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS)
182 static int initr_trap(void)
183 {
184 	/*
185 	 * Setup trap handlers
186 	 */
187 #if defined(CONFIG_PPC)
188 	trap_init(gd->relocaddr);
189 #else
190 	trap_init(CONFIG_SYS_SDRAM_BASE);
191 #endif
192 	return 0;
193 }
194 #endif
195 
196 #ifdef CONFIG_ADDR_MAP
197 static int initr_addr_map(void)
198 {
199 	init_addr_map();
200 
201 	return 0;
202 }
203 #endif
204 
205 #ifdef CONFIG_POST
206 static int initr_post_backlog(void)
207 {
208 	post_output_backlog();
209 	return 0;
210 }
211 #endif
212 
213 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
214 static int initr_unlock_ram_in_cache(void)
215 {
216 	unlock_ram_in_cache();	/* it's time to unlock D-cache in e500 */
217 	return 0;
218 }
219 #endif
220 
221 #ifdef CONFIG_PCI
222 static int initr_pci(void)
223 {
224 #ifndef CONFIG_DM_PCI
225 	pci_init();
226 #endif
227 
228 	return 0;
229 }
230 #endif
231 
232 static int initr_barrier(void)
233 {
234 #ifdef CONFIG_PPC
235 	/* TODO: Can we not use dmb() macros for this? */
236 	asm("sync ; isync");
237 #endif
238 	return 0;
239 }
240 
241 static int initr_malloc(void)
242 {
243 	ulong malloc_start;
244 
245 #if CONFIG_VAL(SYS_MALLOC_F_LEN)
246 	debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
247 	      gd->malloc_ptr / 1024);
248 #endif
249 	/* The malloc area is immediately below the monitor copy in DRAM */
250 	malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN;
251 	mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN),
252 			TOTAL_MALLOC_LEN);
253 	return 0;
254 }
255 
256 static int initr_console_record(void)
257 {
258 #if defined(CONFIG_CONSOLE_RECORD)
259 	int ret;
260 
261 	ret = console_record_init();
262 	if (!ret)
263 		console_record_reset_enable();
264 	return ret;
265 #else
266 	return 0;
267 #endif
268 }
269 
270 #ifdef CONFIG_SYS_NONCACHED_MEMORY
271 static int initr_noncached(void)
272 {
273 	noncached_init();
274 	return 0;
275 }
276 #endif
277 
278 #ifdef CONFIG_OF_LIVE
279 static int initr_of_live(void)
280 {
281 	int ret;
282 
283 	bootstage_start(BOOTSTAGE_ID_ACCUM_OF_LIVE, "of_live");
284 	ret = of_live_build(gd->fdt_blob, (struct device_node **)&gd->of_root);
285 	bootstage_accum(BOOTSTAGE_ID_ACCUM_OF_LIVE);
286 	if (ret)
287 		return ret;
288 
289 	return 0;
290 }
291 #endif
292 
293 #ifdef CONFIG_DM
294 static int initr_dm(void)
295 {
296 	int ret;
297 
298 	/* Save the pre-reloc driver model and start a new one */
299 	gd->dm_root_f = gd->dm_root;
300 	gd->dm_root = NULL;
301 #ifdef CONFIG_TIMER
302 	gd->timer = NULL;
303 #endif
304 	bootstage_start(BOOTSTATE_ID_ACCUM_DM_R, "dm_r");
305 	ret = dm_init_and_scan(false);
306 	bootstage_accum(BOOTSTATE_ID_ACCUM_DM_R);
307 	if (ret)
308 		return ret;
309 #ifdef CONFIG_TIMER_EARLY
310 	ret = dm_timer_init();
311 	if (ret)
312 		return ret;
313 #endif
314 
315 	return 0;
316 }
317 #endif
318 
319 static int initr_bootstage(void)
320 {
321 	bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
322 
323 	return 0;
324 }
325 
326 __weak int power_init_board(void)
327 {
328 	return 0;
329 }
330 
331 static int initr_announce(void)
332 {
333 	ulong addr;
334 
335 #ifndef CONFIG_SKIP_RELOCATE_UBOOT
336 	addr = gd->relocaddr;
337 #else
338 	addr = CONFIG_SYS_TEXT_BASE;
339 #endif
340 	debug("Now running in RAM - U-Boot at: %08lx\n", addr);
341 
342 	return 0;
343 }
344 
345 #ifdef CONFIG_NEEDS_MANUAL_RELOC
346 static int initr_manual_reloc_cmdtable(void)
347 {
348 	fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd),
349 		       ll_entry_count(cmd_tbl_t, cmd));
350 	return 0;
351 }
352 #endif
353 
354 #if defined(CONFIG_MTD_NOR_FLASH)
355 static int initr_flash(void)
356 {
357 	ulong flash_size = 0;
358 	bd_t *bd = gd->bd;
359 
360 	puts("Flash: ");
361 
362 	if (board_flash_wp_on())
363 		printf("Uninitialized - Write Protect On\n");
364 	else
365 		flash_size = flash_init();
366 
367 	print_size(flash_size, "");
368 #ifdef CONFIG_SYS_FLASH_CHECKSUM
369 	/*
370 	* Compute and print flash CRC if flashchecksum is set to 'y'
371 	*
372 	* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
373 	*/
374 	if (env_get_yesno("flashchecksum") == 1) {
375 		printf("  CRC: %08X", crc32(0,
376 			(const unsigned char *) CONFIG_SYS_FLASH_BASE,
377 			flash_size));
378 	}
379 #endif /* CONFIG_SYS_FLASH_CHECKSUM */
380 	putc('\n');
381 
382 	/* update start of FLASH memory    */
383 #ifdef CONFIG_SYS_FLASH_BASE
384 	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
385 #endif
386 	/* size of FLASH memory (final value) */
387 	bd->bi_flashsize = flash_size;
388 
389 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
390 	/* Make a update of the Memctrl. */
391 	update_flash_size(flash_size);
392 #endif
393 
394 
395 #if defined(CONFIG_OXC) || defined(CONFIG_RMU)
396 	/* flash mapped at end of memory map */
397 	bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
398 #elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
399 	bd->bi_flashoffset = monitor_flash_len;	/* reserved area for monitor */
400 #endif
401 	return 0;
402 }
403 #endif
404 
405 #if defined(CONFIG_PPC) && !defined(CONFIG_DM_SPI)
406 static int initr_spi(void)
407 {
408 	/* MPC8xx does this here */
409 #ifdef CONFIG_MPC8XX_SPI
410 #if !defined(CONFIG_ENV_IS_IN_EEPROM)
411 	spi_init_f();
412 #endif
413 	spi_init_r();
414 #endif
415 	return 0;
416 }
417 #endif
418 
419 #ifdef CONFIG_CMD_NAND
420 /* go init the NAND */
421 static int initr_nand(void)
422 {
423 	puts("NAND:  ");
424 	nand_init();
425 	printf("%lu MiB\n", nand_size() / 1024);
426 	return 0;
427 }
428 #endif
429 
430 #if defined(CONFIG_CMD_ONENAND)
431 /* go init the NAND */
432 static int initr_onenand(void)
433 {
434 	puts("NAND:  ");
435 	onenand_init();
436 	return 0;
437 }
438 #endif
439 
440 #ifdef CONFIG_MMC
441 static int initr_mmc(void)
442 {
443 /*
444  * When CONFIG_USING_KERNEL_DTB is enabled, mmc has been initialized earlier.
445  */
446 #ifndef CONFIG_USING_KERNEL_DTB
447 	puts("MMC:   ");
448 	mmc_initialize(gd->bd);
449 #endif
450 	return 0;
451 }
452 #endif
453 
454 #if !defined(CONFIG_USING_KERNEL_DTB) || !defined(CONFIG_ENV_IS_NOWHERE)
455 /*
456  * Tell if it's OK to load the environment early in boot.
457  *
458  * If CONFIG_OF_CONTROL is defined, we'll check with the FDT to see
459  * if this is OK (defaulting to saying it's OK).
460  *
461  * NOTE: Loading the environment early can be a bad idea if security is
462  *       important, since no verification is done on the environment.
463  *
464  * @return 0 if environment should not be loaded, !=0 if it is ok to load
465  */
466 static int should_load_env(void)
467 {
468 #ifdef CONFIG_OF_CONTROL
469 	return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1);
470 #elif defined CONFIG_DELAY_ENVIRONMENT
471 	return 0;
472 #else
473 	return 1;
474 #endif
475 }
476 
477 static int initr_env(void)
478 {
479 	/* initialize environment */
480 	if (should_load_env())
481 		env_relocate();
482 	else
483 		set_default_env(NULL);
484 #ifdef CONFIG_OF_CONTROL
485 	env_set_addr("fdtcontroladdr", gd->fdt_blob);
486 #endif
487 
488 	/* Initialize from environment */
489 	load_addr = env_get_ulong("loadaddr", 16, load_addr);
490 
491 	return 0;
492 }
493 #endif
494 
495 #ifdef CONFIG_USING_KERNEL_DTB
496 /*
497  * If !defined(CONFIG_ENV_IS_NOWHERE):
498  *
499  * Storage env or kernel dtb load depends on bootdev, while bootdev
500  * depends on env varname: devtype, devnum and rkimg_bootdev, etc.
501  * So we have to use nowhere env firstly and cover the storage env
502  * after it is loaded.
503  *
504  * Providing a minimum and necessary nowhere env for board init to
505  * avoid covering the other varnames in storage env.
506  */
507 static int initr_env_nowhere(void)
508 {
509 #ifdef CONFIG_ENV_IS_NOWHERE
510 	set_default_env(NULL);
511 	return 0;
512 #else
513 	const char env_minimum[] = {
514 		ENV_MEM_LAYOUT_SETTINGS
515 #ifdef RKIMG_DET_BOOTDEV
516 		RKIMG_DET_BOOTDEV
517 #endif
518 	};
519 
520 	return set_board_env((char *)env_minimum, ENV_SIZE, 0, true);
521 #endif
522 }
523 
524 #if !defined(CONFIG_ENV_IS_NOWHERE)
525 /*
526  * storage has been initialized in board_init(), we could switch env
527  * from nowhere to storage, i.e. CONFIG_ENV_IS_IN_xxx=y.
528  */
529 static int initr_env_switch(void)
530 {
531 	ALLOC_CACHE_ALIGN_BUFFER(env_t, env_nowhere, 1);
532 	char *data;
533 	int ret;
534 
535 	data = env_get("bootargs");
536 	if (data) {
537 		env_set("bootargs_tmp", data);
538 		env_set("bootargs", NULL);
539 	}
540 
541 	/* Export nowhere env for late use */
542 	ret = env_export(env_nowhere);
543 	if (ret) {
544 		printf("%s: export nowhere env fail, ret=%d\n", __func__, ret);
545 		return -EINVAL;
546 	}
547 
548 	/* Destroy nowhere env and import storage env */
549 	initr_env();
550 
551 	/* Append/override nowhere env to storage env */
552 	set_board_env((char *)env_nowhere->data, ENV_SIZE, H_NOCLEAR, false);
553 
554 	/*
555 	 * Restore nowhere bootargs to append/override the one in env storage.
556 	 *
557 	 * Without this, the entire "bootargs" in storage env is replaces by
558 	 * the one in env_nowhere->data.
559 	 */
560 	data = env_get("bootargs_tmp");
561 	if (data) {
562 		env_update("bootargs", data);
563 		env_set("bootargs_tmp", NULL);
564 	}
565 
566 	return 0;
567 }
568 #endif	/* CONFIG_ENV_IS_NOWHERE */
569 #endif	/* CONFIG_USING_KERNEL_DTB */
570 
571 #ifdef CONFIG_SYS_BOOTPARAMS_LEN
572 static int initr_malloc_bootparams(void)
573 {
574 	gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN);
575 	if (!gd->bd->bi_boot_params) {
576 		puts("WARNING: Cannot allocate space for boot parameters\n");
577 		return -ENOMEM;
578 	}
579 	return 0;
580 }
581 #endif
582 
583 static int initr_jumptable(void)
584 {
585 	jumptable_init();
586 	return 0;
587 }
588 
589 #if defined(CONFIG_API)
590 static int initr_api(void)
591 {
592 	/* Initialize API */
593 	api_init();
594 	return 0;
595 }
596 #endif
597 
598 /* enable exceptions */
599 #ifdef CONFIG_ARM
600 static int initr_enable_interrupts(void)
601 {
602 	enable_interrupts();
603 	return 0;
604 }
605 #endif
606 
607 #ifdef CONFIG_CMD_NET
608 static int initr_ethaddr(void)
609 {
610 	bd_t *bd = gd->bd;
611 
612 	/* kept around for legacy kernels only ... ignore the next section */
613 	eth_env_get_enetaddr("ethaddr", bd->bi_enetaddr);
614 #ifdef CONFIG_HAS_ETH1
615 	eth_env_get_enetaddr("eth1addr", bd->bi_enet1addr);
616 #endif
617 #ifdef CONFIG_HAS_ETH2
618 	eth_env_get_enetaddr("eth2addr", bd->bi_enet2addr);
619 #endif
620 #ifdef CONFIG_HAS_ETH3
621 	eth_env_get_enetaddr("eth3addr", bd->bi_enet3addr);
622 #endif
623 #ifdef CONFIG_HAS_ETH4
624 	eth_env_get_enetaddr("eth4addr", bd->bi_enet4addr);
625 #endif
626 #ifdef CONFIG_HAS_ETH5
627 	eth_env_get_enetaddr("eth5addr", bd->bi_enet5addr);
628 #endif
629 	return 0;
630 }
631 #endif /* CONFIG_CMD_NET */
632 
633 #ifdef CONFIG_CMD_KGDB
634 static int initr_kgdb(void)
635 {
636 	puts("KGDB:  ");
637 	kgdb_init();
638 	return 0;
639 }
640 #endif
641 
642 #if defined(CONFIG_LED_STATUS)
643 static int initr_status_led(void)
644 {
645 #if defined(CONFIG_LED_STATUS_BOOT)
646 	status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_BLINKING);
647 #else
648 	status_led_init();
649 #endif
650 	return 0;
651 }
652 #endif
653 
654 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI)
655 static int initr_scsi(void)
656 {
657 	puts("SCSI:  ");
658 	scsi_init();
659 
660 	return 0;
661 }
662 #endif
663 
664 #ifdef CONFIG_BITBANGMII
665 static int initr_bbmii(void)
666 {
667 	bb_miiphy_init();
668 	return 0;
669 }
670 #endif
671 
672 #ifdef CONFIG_CMD_NET
673 static int initr_net(void)
674 {
675 	puts("Net:   ");
676 	eth_initialize();
677 #if defined(CONFIG_RESET_PHY_R)
678 	debug("Reset Ethernet PHY\n");
679 	reset_phy();
680 #endif
681 	return 0;
682 }
683 #endif
684 
685 #ifdef CONFIG_POST
686 static int initr_post(void)
687 {
688 	post_run(NULL, POST_RAM | post_bootmode_get(0));
689 	return 0;
690 }
691 #endif
692 
693 #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE)
694 static int initr_pcmcia(void)
695 {
696 	puts("PCMCIA:");
697 	pcmcia_init();
698 	return 0;
699 }
700 #endif
701 
702 #if defined(CONFIG_IDE)
703 static int initr_ide(void)
704 {
705 	puts("IDE:   ");
706 #if defined(CONFIG_START_IDE)
707 	if (board_start_ide())
708 		ide_init();
709 #else
710 	ide_init();
711 #endif
712 	return 0;
713 }
714 #endif
715 
716 #if defined(CONFIG_PRAM)
717 /*
718  * Export available size of memory for Linux, taking into account the
719  * protected RAM at top of memory
720  */
721 int initr_mem(void)
722 {
723 	ulong pram = 0;
724 	char memsz[32];
725 
726 # ifdef CONFIG_PRAM
727 	pram = env_get_ulong("pram", 10, CONFIG_PRAM);
728 # endif
729 	sprintf(memsz, "%ldk", (long int) ((gd->ram_size / 1024) - pram));
730 	env_set("mem", memsz);
731 
732 	return 0;
733 }
734 #endif
735 
736 #ifdef CONFIG_CMD_BEDBUG
737 static int initr_bedbug(void)
738 {
739 	bedbug_init();
740 
741 	return 0;
742 }
743 #endif
744 
745 #ifdef CONFIG_PS2KBD
746 static int initr_kbd(void)
747 {
748 	puts("PS/2:  ");
749 	kbd_init();
750 	return 0;
751 }
752 #endif
753 
754 __weak int interrupt_debugger_init(void)
755 {
756 	return 0;
757 }
758 
759 __weak int board_initr_caches_fixup(void)
760 {
761 	return 0;
762 }
763 
764 static int run_main_loop(void)
765 {
766 #ifdef CONFIG_SANDBOX
767 	sandbox_main_loop_init();
768 #endif
769 	/* main_loop() can return to retry autoboot, if so just run it again */
770 	for (;;)
771 		main_loop();
772 	return 0;
773 }
774 
775 /*
776  * Over time we hope to remove these functions with code fragments and
777  * stub funtcions, and instead call the relevant function directly.
778  *
779  * We also hope to remove most of the driver-related init and do it if/when
780  * the driver is later used.
781  *
782  * TODO: perhaps reset the watchdog in the initcall function after each call?
783  */
784 static init_fnc_t init_sequence_r[] = {
785 	initr_trace,
786 	initr_reloc,
787 	/* TODO: could x86/PPC have this also perhaps? */
788 #ifdef CONFIG_ARM
789 	initr_caches,
790 	/* Note: For Freescale LS2 SoCs, new MMU table is created in DDR.
791 	 *	 A temporary mapping of IFC high region is since removed,
792 	 *	 so environmental variables in NOR flash is not availble
793 	 *	 until board_init() is called below to remap IFC to high
794 	 *	 region.
795 	 */
796 #endif
797 	initr_reloc_global_data,
798 
799 	/*
800 	 * Some platform requires to reserve memory regions for some firmware
801 	 * to avoid kernel touches it, but U-Boot may have communication with
802 	 * firmware by share memory. So that we had better reserve firmware
803 	 * region after the initr_caches() which enables MMU and init
804 	 * translation table, we need firmware region to be mapped as cacheable
805 	 * like other regions, otherwise there would be dcache coherence issue
806 	 * between firmware and U-Boot.
807 	 */
808 	board_initr_caches_fixup,
809 
810 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
811 	initr_unlock_ram_in_cache,
812 #endif
813 	initr_barrier,
814 	initr_malloc,
815 #ifdef CONFIG_BIDRAM
816 	bidram_initr,
817 #endif
818 #ifdef CONFIG_SYSMEM
819 	sysmem_initr,
820 #endif
821 	log_init,
822 	initr_bootstage,	/* Needs malloc() but has its own timer */
823 	initr_console_record,
824 #ifdef CONFIG_SYS_NONCACHED_MEMORY
825 	initr_noncached,
826 #endif
827 	bootstage_relocate,
828 
829 	interrupt_init,
830 #ifdef CONFIG_ARM
831 	initr_enable_interrupts,
832 #endif
833 	interrupt_debugger_init,
834 
835 #ifdef CONFIG_OF_LIVE
836 	initr_of_live,
837 #endif
838 #ifdef CONFIG_DM
839 	initr_dm,
840 #endif
841 
842 #ifdef CONFIG_USING_KERNEL_DTB
843 	initr_env_nowhere,
844 #endif
845 #if defined(CONFIG_BOARD_EARLY_INIT_R)
846 	board_early_init_r,
847 #endif
848 
849 #if defined(CONFIG_ARM) || defined(CONFIG_NDS32)
850 	board_init,	/* Setup chipselects */
851 #endif
852 
853 #if defined(CONFIG_USING_KERNEL_DTB) && !defined(CONFIG_ENV_IS_NOWHERE)
854 	initr_env_switch,
855 #endif
856 
857 	/*
858 	 * TODO: printing of the clock inforamtion of the board is now
859 	 * implemented as part of bdinfo command. Currently only support for
860 	 * davinci SOC's is added. Remove this check once all the board
861 	 * implement this.
862 	 */
863 #ifdef CONFIG_CLOCKS
864 	set_cpu_clk_info, /* Setup clock information */
865 #endif
866 #ifdef CONFIG_EFI_LOADER
867 	efi_memory_init,
868 #endif
869 	stdio_init_tables,
870 	initr_serial,
871 	initr_announce,
872 	INIT_FUNC_WATCHDOG_RESET
873 #ifdef CONFIG_NEEDS_MANUAL_RELOC
874 	initr_manual_reloc_cmdtable,
875 #endif
876 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS)
877 	initr_trap,
878 #endif
879 #ifdef CONFIG_ADDR_MAP
880 	initr_addr_map,
881 #endif
882 	INIT_FUNC_WATCHDOG_RESET
883 #ifdef CONFIG_POST
884 	initr_post_backlog,
885 #endif
886 	INIT_FUNC_WATCHDOG_RESET
887 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT)
888 	/*
889 	 * Do early PCI configuration _before_ the flash gets initialised,
890 	 * because PCU ressources are crucial for flash access on some boards.
891 	 */
892 	initr_pci,
893 #endif
894 #ifdef CONFIG_ARCH_EARLY_INIT_R
895 	arch_early_init_r,
896 #endif
897 	power_init_board,
898 #ifdef CONFIG_MTD_NOR_FLASH
899 	initr_flash,
900 #endif
901 	INIT_FUNC_WATCHDOG_RESET
902 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86)
903 	/* initialize higher level parts of CPU like time base and timers */
904 	cpu_init_r,
905 #endif
906 #ifdef CONFIG_PPC
907 	initr_spi,
908 #endif
909 #ifdef CONFIG_CMD_NAND
910 	initr_nand,
911 #endif
912 #ifdef CONFIG_CMD_ONENAND
913 	initr_onenand,
914 #endif
915 #ifdef CONFIG_MMC
916 	initr_mmc,
917 #endif
918 #ifndef CONFIG_USING_KERNEL_DTB
919 	initr_env,
920 #endif
921 #ifdef CONFIG_SYS_BOOTPARAMS_LEN
922 	initr_malloc_bootparams,
923 #endif
924 	INIT_FUNC_WATCHDOG_RESET
925 	initr_secondary_cpu,
926 #if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET)
927 	mac_read_from_eeprom,
928 #endif
929 	INIT_FUNC_WATCHDOG_RESET
930 #if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
931 	/*
932 	 * Do pci configuration
933 	 */
934 	initr_pci,
935 #endif
936 	stdio_add_devices,
937 	initr_jumptable,
938 #ifdef CONFIG_API
939 	initr_api,
940 #endif
941 	console_init_r,		/* fully init console as a device */
942 #ifdef CONFIG_DISPLAY_BOARDINFO_LATE
943 	console_announce_r,
944 	show_board_info,
945 #endif
946 #ifdef CONFIG_ARCH_MISC_INIT
947 	arch_misc_init,		/* miscellaneous arch-dependent init */
948 #endif
949 #ifdef CONFIG_MISC_INIT_R
950 	misc_init_r,		/* miscellaneous platform-dependent init */
951 #endif
952 	INIT_FUNC_WATCHDOG_RESET
953 #ifdef CONFIG_CMD_KGDB
954 	initr_kgdb,
955 #endif
956 
957 #if defined(CONFIG_MICROBLAZE) || defined(CONFIG_M68K)
958 	timer_init,		/* initialize timer */
959 #endif
960 #if defined(CONFIG_LED_STATUS)
961 	initr_status_led,
962 #endif
963 	/* PPC has a udelay(20) here dating from 2002. Why? */
964 #ifdef CONFIG_CMD_NET
965 	initr_ethaddr,
966 #endif
967 #ifdef CONFIG_BOARD_LATE_INIT
968 	board_late_init,
969 #endif
970 #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI)
971 	INIT_FUNC_WATCHDOG_RESET
972 	initr_scsi,
973 #endif
974 #ifdef CONFIG_BITBANGMII
975 	initr_bbmii,
976 #endif
977 #ifdef CONFIG_CMD_NET
978 	INIT_FUNC_WATCHDOG_RESET
979 	initr_net,
980 #endif
981 #ifdef CONFIG_POST
982 	initr_post,
983 #endif
984 #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE)
985 	initr_pcmcia,
986 #endif
987 #if defined(CONFIG_IDE)
988 	initr_ide,
989 #endif
990 #ifdef CONFIG_LAST_STAGE_INIT
991 	INIT_FUNC_WATCHDOG_RESET
992 	/*
993 	 * Some parts can be only initialized if all others (like
994 	 * Interrupts) are up and running (i.e. the PC-style ISA
995 	 * keyboard).
996 	 */
997 	last_stage_init,
998 #endif
999 #ifdef CONFIG_CMD_BEDBUG
1000 	INIT_FUNC_WATCHDOG_RESET
1001 	initr_bedbug,
1002 #endif
1003 #if defined(CONFIG_PRAM)
1004 	initr_mem,
1005 #endif
1006 #ifdef CONFIG_PS2KBD
1007 	initr_kbd,
1008 #endif
1009 	run_main_loop,
1010 };
1011 
1012 void board_init_r(gd_t *new_gd, ulong dest_addr)
1013 {
1014 	/*
1015 	 * Set up the new global data pointer. So far only x86 does this
1016 	 * here.
1017 	 * TODO(sjg@chromium.org): Consider doing this for all archs, or
1018 	 * dropping the new_gd parameter.
1019 	 */
1020 #if CONFIG_IS_ENABLED(X86_64)
1021 	arch_setup_gd(new_gd);
1022 #endif
1023 
1024 #ifdef CONFIG_NEEDS_MANUAL_RELOC
1025 	int i;
1026 #endif
1027 
1028 #if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
1029 	gd = new_gd;
1030 #endif
1031 	gd->flags &= ~GD_FLG_LOG_READY;
1032 
1033 #ifdef CONFIG_NEEDS_MANUAL_RELOC
1034 	for (i = 0; i < ARRAY_SIZE(init_sequence_r); i++)
1035 		init_sequence_r[i] += gd->reloc_off;
1036 #endif
1037 
1038 	if (initcall_run_list(init_sequence_r))
1039 		hang();
1040 
1041 	/* NOTREACHED - run_main_loop() does not return */
1042 	hang();
1043 }
1044