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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 | /* TODO: can we just include all these headers whether needed or not? */ | |
15 | #if defined(CONFIG_CMD_BEDBUG) | |
16 | #include <bedbug/type.h> | |
17 | #endif | |
18 | #include <command.h> | |
19 | #include <console.h> | |
20 | #ifdef CONFIG_HAS_DATAFLASH | |
21 | #include <dataflash.h> | |
22 | #endif | |
23 | #include <dm.h> | |
24 | #include <environment.h> | |
25 | #include <fdtdec.h> | |
26 | #if defined(CONFIG_CMD_IDE) | |
27 | #include <ide.h> | |
28 | #endif | |
29 | #include <initcall.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 <onenand_uboot.h> | |
45 | #include <scsi.h> | |
46 | #include <serial.h> | |
47 | #include <spi.h> | |
48 | #include <stdio_dev.h> | |
49 | #include <timer.h> | |
50 | #include <trace.h> | |
51 | #include <watchdog.h> | |
52 | #ifdef CONFIG_CMD_AMBAPP | |
53 | #include <ambapp.h> | |
54 | #endif | |
55 | #ifdef CONFIG_ADDR_MAP | |
56 | #include <asm/mmu.h> | |
57 | #endif | |
58 | #include <asm/sections.h> | |
59 | #ifdef CONFIG_X86 | |
60 | #include <asm/init_helpers.h> | |
61 | #endif | |
62 | #include <dm/root.h> | |
63 | #include <linux/compiler.h> | |
64 | #include <linux/err.h> | |
65 | #ifdef CONFIG_AVR32 | |
66 | #include <asm/arch/mmu.h> | |
67 | #endif | |
68 | #include <efi_loader.h> | |
69 | ||
70 | DECLARE_GLOBAL_DATA_PTR; | |
71 | ||
72 | #if defined(CONFIG_SPARC) | |
73 | extern int prom_init(void); | |
74 | #endif | |
75 | ||
76 | ulong monitor_flash_len; | |
77 | ||
78 | __weak int board_flash_wp_on(void) | |
79 | { | |
80 | /* | |
81 | * Most flashes can't be detected when write protection is enabled, | |
82 | * so provide a way to let U-Boot gracefully ignore write protected | |
83 | * devices. | |
84 | */ | |
85 | return 0; | |
86 | } | |
87 | ||
88 | __weak void cpu_secondary_init_r(void) | |
89 | { | |
90 | } | |
91 | ||
92 | static int initr_secondary_cpu(void) | |
93 | { | |
94 | /* | |
95 | * after non-volatile devices & environment is setup and cpu code have | |
96 | * another round to deal with any initialization that might require | |
97 | * full access to the environment or loading of some image (firmware) | |
98 | * from a non-volatile device | |
99 | */ | |
100 | /* TODO: maybe define this for all archs? */ | |
101 | cpu_secondary_init_r(); | |
102 | ||
103 | return 0; | |
104 | } | |
105 | ||
106 | static int initr_trace(void) | |
107 | { | |
108 | #ifdef CONFIG_TRACE | |
109 | trace_init(gd->trace_buff, CONFIG_TRACE_BUFFER_SIZE); | |
110 | #endif | |
111 | ||
112 | return 0; | |
113 | } | |
114 | ||
115 | static int initr_reloc(void) | |
116 | { | |
117 | /* tell others: relocation done */ | |
118 | gd->flags |= GD_FLG_RELOC | GD_FLG_FULL_MALLOC_INIT; | |
119 | ||
120 | return 0; | |
121 | } | |
122 | ||
123 | #ifdef CONFIG_ARM | |
124 | /* | |
125 | * Some of these functions are needed purely because the functions they | |
126 | * call return void. If we change them to return 0, these stubs can go away. | |
127 | */ | |
128 | static int initr_caches(void) | |
129 | { | |
130 | /* Enable caches */ | |
131 | enable_caches(); | |
132 | return 0; | |
133 | } | |
134 | #endif | |
135 | ||
136 | __weak int fixup_cpu(void) | |
137 | { | |
138 | return 0; | |
139 | } | |
140 | ||
141 | static int initr_reloc_global_data(void) | |
142 | { | |
143 | #ifdef __ARM__ | |
144 | monitor_flash_len = _end - __image_copy_start; | |
145 | #elif defined(CONFIG_NDS32) | |
146 | monitor_flash_len = (ulong)&_end - (ulong)&_start; | |
147 | #elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2) | |
148 | monitor_flash_len = (ulong)&__init_end - gd->relocaddr; | |
149 | #endif | |
150 | #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) | |
151 | /* | |
152 | * The gd->cpu pointer is set to an address in flash before relocation. | |
153 | * We need to update it to point to the same CPU entry in RAM. | |
154 | * TODO: why not just add gd->reloc_ofs? | |
155 | */ | |
156 | gd->arch.cpu += gd->relocaddr - CONFIG_SYS_MONITOR_BASE; | |
157 | ||
158 | /* | |
159 | * If we didn't know the cpu mask & # cores, we can save them of | |
160 | * now rather than 'computing' them constantly | |
161 | */ | |
162 | fixup_cpu(); | |
163 | #endif | |
164 | #ifdef CONFIG_SYS_EXTRA_ENV_RELOC | |
165 | /* | |
166 | * Some systems need to relocate the env_addr pointer early because the | |
167 | * location it points to will get invalidated before env_relocate is | |
168 | * called. One example is on systems that might use a L2 or L3 cache | |
169 | * in SRAM mode and initialize that cache from SRAM mode back to being | |
170 | * a cache in cpu_init_r. | |
171 | */ | |
172 | gd->env_addr += gd->relocaddr - CONFIG_SYS_MONITOR_BASE; | |
173 | #endif | |
174 | #ifdef CONFIG_OF_EMBED | |
175 | /* | |
176 | * The fdt_blob needs to be moved to new relocation address | |
177 | * incase of FDT blob is embedded with in image | |
178 | */ | |
179 | gd->fdt_blob += gd->reloc_off; | |
180 | #endif | |
181 | #ifdef CONFIG_EFI_LOADER | |
182 | efi_runtime_relocate(gd->relocaddr, NULL); | |
183 | #endif | |
184 | ||
185 | return 0; | |
186 | } | |
187 | ||
188 | static int initr_serial(void) | |
189 | { | |
190 | serial_initialize(); | |
191 | return 0; | |
192 | } | |
193 | ||
194 | #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS) | |
195 | static int initr_trap(void) | |
196 | { | |
197 | /* | |
198 | * Setup trap handlers | |
199 | */ | |
200 | #if defined(CONFIG_PPC) | |
201 | trap_init(gd->relocaddr); | |
202 | #else | |
203 | trap_init(CONFIG_SYS_SDRAM_BASE); | |
204 | #endif | |
205 | return 0; | |
206 | } | |
207 | #endif | |
208 | ||
209 | #ifdef CONFIG_ADDR_MAP | |
210 | static int initr_addr_map(void) | |
211 | { | |
212 | init_addr_map(); | |
213 | ||
214 | return 0; | |
215 | } | |
216 | #endif | |
217 | ||
218 | #ifdef CONFIG_LOGBUFFER | |
219 | unsigned long logbuffer_base(void) | |
220 | { | |
221 | return gd->ram_top - LOGBUFF_LEN; | |
222 | } | |
223 | ||
224 | static int initr_logbuffer(void) | |
225 | { | |
226 | logbuff_init_ptrs(); | |
227 | return 0; | |
228 | } | |
229 | #endif | |
230 | ||
231 | #ifdef CONFIG_POST | |
232 | static int initr_post_backlog(void) | |
233 | { | |
234 | post_output_backlog(); | |
235 | return 0; | |
236 | } | |
237 | #endif | |
238 | ||
239 | #ifdef CONFIG_SYS_DELAYED_ICACHE | |
240 | static int initr_icache_enable(void) | |
241 | { | |
242 | return 0; | |
243 | } | |
244 | #endif | |
245 | ||
246 | #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) | |
247 | static int initr_unlock_ram_in_cache(void) | |
248 | { | |
249 | unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */ | |
250 | return 0; | |
251 | } | |
252 | #endif | |
253 | ||
254 | #ifdef CONFIG_PCI | |
255 | static int initr_pci(void) | |
256 | { | |
257 | #ifndef CONFIG_DM_PCI | |
258 | pci_init(); | |
259 | #endif | |
260 | ||
261 | return 0; | |
262 | } | |
263 | #endif | |
264 | ||
265 | #ifdef CONFIG_WINBOND_83C553 | |
266 | static int initr_w83c553f(void) | |
267 | { | |
268 | /* | |
269 | * Initialise the ISA bridge | |
270 | */ | |
271 | initialise_w83c553f(); | |
272 | return 0; | |
273 | } | |
274 | #endif | |
275 | ||
276 | static int initr_barrier(void) | |
277 | { | |
278 | #ifdef CONFIG_PPC | |
279 | /* TODO: Can we not use dmb() macros for this? */ | |
280 | asm("sync ; isync"); | |
281 | #endif | |
282 | return 0; | |
283 | } | |
284 | ||
285 | static int initr_malloc(void) | |
286 | { | |
287 | ulong malloc_start; | |
288 | ||
289 | #ifdef CONFIG_SYS_MALLOC_F_LEN | |
290 | debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr, | |
291 | gd->malloc_ptr / 1024); | |
292 | #endif | |
293 | /* The malloc area is immediately below the monitor copy in DRAM */ | |
294 | malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN; | |
295 | mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN), | |
296 | TOTAL_MALLOC_LEN); | |
297 | return 0; | |
298 | } | |
299 | ||
300 | static int initr_console_record(void) | |
301 | { | |
302 | #if defined(CONFIG_CONSOLE_RECORD) | |
303 | return console_record_init(); | |
304 | #else | |
305 | return 0; | |
306 | #endif | |
307 | } | |
308 | ||
309 | #ifdef CONFIG_SYS_NONCACHED_MEMORY | |
310 | static int initr_noncached(void) | |
311 | { | |
312 | noncached_init(); | |
313 | return 0; | |
314 | } | |
315 | #endif | |
316 | ||
317 | #ifdef CONFIG_DM | |
318 | static int initr_dm(void) | |
319 | { | |
320 | int ret; | |
321 | ||
322 | /* Save the pre-reloc driver model and start a new one */ | |
323 | gd->dm_root_f = gd->dm_root; | |
324 | gd->dm_root = NULL; | |
325 | #ifdef CONFIG_TIMER | |
326 | gd->timer = NULL; | |
327 | #endif | |
328 | ret = dm_init_and_scan(false); | |
329 | if (ret) | |
330 | return ret; | |
331 | #ifdef CONFIG_TIMER_EARLY | |
332 | ret = dm_timer_init(); | |
333 | if (ret) | |
334 | return ret; | |
335 | #endif | |
336 | ||
337 | return 0; | |
338 | } | |
339 | #endif | |
340 | ||
341 | static int initr_bootstage(void) | |
342 | { | |
343 | /* We cannot do this before initr_dm() */ | |
344 | bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r"); | |
345 | ||
346 | return 0; | |
347 | } | |
348 | ||
349 | __weak int power_init_board(void) | |
350 | { | |
351 | return 0; | |
352 | } | |
353 | ||
354 | static int initr_announce(void) | |
355 | { | |
356 | debug("Now running in RAM - U-Boot at: %08lx\n", gd->relocaddr); | |
357 | return 0; | |
358 | } | |
359 | ||
360 | #ifdef CONFIG_NEEDS_MANUAL_RELOC | |
361 | static int initr_manual_reloc_cmdtable(void) | |
362 | { | |
363 | fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd), | |
364 | ll_entry_count(cmd_tbl_t, cmd)); | |
365 | return 0; | |
366 | } | |
367 | #endif | |
368 | ||
369 | #if !defined(CONFIG_SYS_NO_FLASH) | |
370 | static int initr_flash(void) | |
371 | { | |
372 | ulong flash_size = 0; | |
373 | bd_t *bd = gd->bd; | |
374 | ||
375 | puts("Flash: "); | |
376 | ||
377 | if (board_flash_wp_on()) | |
378 | printf("Uninitialized - Write Protect On\n"); | |
379 | else | |
380 | flash_size = flash_init(); | |
381 | ||
382 | print_size(flash_size, ""); | |
383 | #ifdef CONFIG_SYS_FLASH_CHECKSUM | |
384 | /* | |
385 | * Compute and print flash CRC if flashchecksum is set to 'y' | |
386 | * | |
387 | * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX | |
388 | */ | |
389 | if (getenv_yesno("flashchecksum") == 1) { | |
390 | printf(" CRC: %08X", crc32(0, | |
391 | (const unsigned char *) CONFIG_SYS_FLASH_BASE, | |
392 | flash_size)); | |
393 | } | |
394 | #endif /* CONFIG_SYS_FLASH_CHECKSUM */ | |
395 | putc('\n'); | |
396 | ||
397 | /* update start of FLASH memory */ | |
398 | #ifdef CONFIG_SYS_FLASH_BASE | |
399 | bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; | |
400 | #endif | |
401 | /* size of FLASH memory (final value) */ | |
402 | bd->bi_flashsize = flash_size; | |
403 | ||
404 | #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) | |
405 | /* Make a update of the Memctrl. */ | |
406 | update_flash_size(flash_size); | |
407 | #endif | |
408 | ||
409 | ||
410 | #if defined(CONFIG_OXC) || defined(CONFIG_RMU) | |
411 | /* flash mapped at end of memory map */ | |
412 | bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size; | |
413 | #elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE | |
414 | bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */ | |
415 | #endif | |
416 | return 0; | |
417 | } | |
418 | #endif | |
419 | ||
420 | #if defined(CONFIG_PPC) && !defined(CONFIG_DM_SPI) | |
421 | static int initr_spi(void) | |
422 | { | |
423 | /* PPC does this here */ | |
424 | #ifdef CONFIG_SPI | |
425 | #if !defined(CONFIG_ENV_IS_IN_EEPROM) | |
426 | spi_init_f(); | |
427 | #endif | |
428 | spi_init_r(); | |
429 | #endif | |
430 | return 0; | |
431 | } | |
432 | #endif | |
433 | ||
434 | #ifdef CONFIG_CMD_NAND | |
435 | /* go init the NAND */ | |
436 | static int initr_nand(void) | |
437 | { | |
438 | puts("NAND: "); | |
439 | nand_init(); | |
440 | return 0; | |
441 | } | |
442 | #endif | |
443 | ||
444 | #if defined(CONFIG_CMD_ONENAND) | |
445 | /* go init the NAND */ | |
446 | static int initr_onenand(void) | |
447 | { | |
448 | puts("NAND: "); | |
449 | onenand_init(); | |
450 | return 0; | |
451 | } | |
452 | #endif | |
453 | ||
454 | #ifdef CONFIG_GENERIC_MMC | |
455 | static int initr_mmc(void) | |
456 | { | |
457 | puts("MMC: "); | |
458 | mmc_initialize(gd->bd); | |
459 | return 0; | |
460 | } | |
461 | #endif | |
462 | ||
463 | #ifdef CONFIG_HAS_DATAFLASH | |
464 | static int initr_dataflash(void) | |
465 | { | |
466 | AT91F_DataflashInit(); | |
467 | dataflash_print_info(); | |
468 | return 0; | |
469 | } | |
470 | #endif | |
471 | ||
472 | /* | |
473 | * Tell if it's OK to load the environment early in boot. | |
474 | * | |
475 | * If CONFIG_OF_CONTROL is defined, we'll check with the FDT to see | |
476 | * if this is OK (defaulting to saying it's OK). | |
477 | * | |
478 | * NOTE: Loading the environment early can be a bad idea if security is | |
479 | * important, since no verification is done on the environment. | |
480 | * | |
481 | * @return 0 if environment should not be loaded, !=0 if it is ok to load | |
482 | */ | |
483 | static int should_load_env(void) | |
484 | { | |
485 | #ifdef CONFIG_OF_CONTROL | |
486 | return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1); | |
487 | #elif defined CONFIG_DELAY_ENVIRONMENT | |
488 | return 0; | |
489 | #else | |
490 | return 1; | |
491 | #endif | |
492 | } | |
493 | ||
494 | static int initr_env(void) | |
495 | { | |
496 | /* initialize environment */ | |
497 | if (should_load_env()) | |
498 | env_relocate(); | |
499 | else | |
500 | set_default_env(NULL); | |
501 | #ifdef CONFIG_OF_CONTROL | |
502 | setenv_addr("fdtcontroladdr", gd->fdt_blob); | |
503 | #endif | |
504 | ||
505 | /* Initialize from environment */ | |
506 | load_addr = getenv_ulong("loadaddr", 16, load_addr); | |
507 | #if defined(CONFIG_SYS_EXTBDINFO) | |
508 | #if defined(CONFIG_405GP) || defined(CONFIG_405EP) | |
509 | #if defined(CONFIG_I2CFAST) | |
510 | /* | |
511 | * set bi_iic_fast for linux taking environment variable | |
512 | * "i2cfast" into account | |
513 | */ | |
514 | { | |
515 | char *s = getenv("i2cfast"); | |
516 | ||
517 | if (s && ((*s == 'y') || (*s == 'Y'))) { | |
518 | gd->bd->bi_iic_fast[0] = 1; | |
519 | gd->bd->bi_iic_fast[1] = 1; | |
520 | } | |
521 | } | |
522 | #endif /* CONFIG_I2CFAST */ | |
523 | #endif /* CONFIG_405GP, CONFIG_405EP */ | |
524 | #endif /* CONFIG_SYS_EXTBDINFO */ | |
525 | return 0; | |
526 | } | |
527 | ||
528 | #ifdef CONFIG_SYS_BOOTPARAMS_LEN | |
529 | static int initr_malloc_bootparams(void) | |
530 | { | |
531 | gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN); | |
532 | if (!gd->bd->bi_boot_params) { | |
533 | puts("WARNING: Cannot allocate space for boot parameters\n"); | |
534 | return -ENOMEM; | |
535 | } | |
536 | return 0; | |
537 | } | |
538 | #endif | |
539 | ||
540 | static int initr_jumptable(void) | |
541 | { | |
542 | jumptable_init(); | |
543 | return 0; | |
544 | } | |
545 | ||
546 | #if defined(CONFIG_API) | |
547 | static int initr_api(void) | |
548 | { | |
549 | /* Initialize API */ | |
550 | api_init(); | |
551 | return 0; | |
552 | } | |
553 | #endif | |
554 | ||
555 | /* enable exceptions */ | |
556 | #if defined(CONFIG_ARM) || defined(CONFIG_AVR32) | |
557 | static int initr_enable_interrupts(void) | |
558 | { | |
559 | enable_interrupts(); | |
560 | return 0; | |
561 | } | |
562 | #endif | |
563 | ||
564 | #ifdef CONFIG_CMD_NET | |
565 | static int initr_ethaddr(void) | |
566 | { | |
567 | bd_t *bd = gd->bd; | |
568 | ||
569 | /* kept around for legacy kernels only ... ignore the next section */ | |
570 | eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr); | |
571 | #ifdef CONFIG_HAS_ETH1 | |
572 | eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr); | |
573 | #endif | |
574 | #ifdef CONFIG_HAS_ETH2 | |
575 | eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr); | |
576 | #endif | |
577 | #ifdef CONFIG_HAS_ETH3 | |
578 | eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr); | |
579 | #endif | |
580 | #ifdef CONFIG_HAS_ETH4 | |
581 | eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr); | |
582 | #endif | |
583 | #ifdef CONFIG_HAS_ETH5 | |
584 | eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr); | |
585 | #endif | |
586 | return 0; | |
587 | } | |
588 | #endif /* CONFIG_CMD_NET */ | |
589 | ||
590 | #ifdef CONFIG_CMD_KGDB | |
591 | static int initr_kgdb(void) | |
592 | { | |
593 | puts("KGDB: "); | |
594 | kgdb_init(); | |
595 | return 0; | |
596 | } | |
597 | #endif | |
598 | ||
599 | #if defined(CONFIG_STATUS_LED) | |
600 | static int initr_status_led(void) | |
601 | { | |
602 | #if defined(STATUS_LED_BOOT) | |
603 | status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING); | |
604 | #else | |
605 | status_led_init(); | |
606 | #endif | |
607 | return 0; | |
608 | } | |
609 | #endif | |
610 | ||
611 | #if defined(CONFIG_CMD_AMBAPP) && defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP) | |
612 | extern int do_ambapp_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); | |
613 | ||
614 | static int initr_ambapp_print(void) | |
615 | { | |
616 | puts("AMBA:\n"); | |
617 | do_ambapp_print(NULL, 0, 0, NULL); | |
618 | ||
619 | return 0; | |
620 | } | |
621 | #endif | |
622 | ||
623 | #if defined(CONFIG_SCSI) | |
624 | static int initr_scsi(void) | |
625 | { | |
626 | puts("SCSI: "); | |
627 | scsi_init(); | |
628 | ||
629 | return 0; | |
630 | } | |
631 | #endif | |
632 | ||
633 | #if defined(CONFIG_CMD_DOC) | |
634 | static int initr_doc(void) | |
635 | { | |
636 | puts("DOC: "); | |
637 | doc_init(); | |
638 | return 0; | |
639 | } | |
640 | #endif | |
641 | ||
642 | #ifdef CONFIG_BITBANGMII | |
643 | static int initr_bbmii(void) | |
644 | { | |
645 | bb_miiphy_init(); | |
646 | return 0; | |
647 | } | |
648 | #endif | |
649 | ||
650 | #ifdef CONFIG_CMD_NET | |
651 | static int initr_net(void) | |
652 | { | |
653 | puts("Net: "); | |
654 | eth_initialize(); | |
655 | #if defined(CONFIG_RESET_PHY_R) | |
656 | debug("Reset Ethernet PHY\n"); | |
657 | reset_phy(); | |
658 | #endif | |
659 | return 0; | |
660 | } | |
661 | #endif | |
662 | ||
663 | #ifdef CONFIG_POST | |
664 | static int initr_post(void) | |
665 | { | |
666 | post_run(NULL, POST_RAM | post_bootmode_get(0)); | |
667 | return 0; | |
668 | } | |
669 | #endif | |
670 | ||
671 | #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE) | |
672 | static int initr_pcmcia(void) | |
673 | { | |
674 | puts("PCMCIA:"); | |
675 | pcmcia_init(); | |
676 | return 0; | |
677 | } | |
678 | #endif | |
679 | ||
680 | #if defined(CONFIG_CMD_IDE) | |
681 | static int initr_ide(void) | |
682 | { | |
683 | #ifdef CONFIG_IDE_8xx_PCCARD | |
684 | puts("PCMCIA:"); | |
685 | #else | |
686 | puts("IDE: "); | |
687 | #endif | |
688 | #if defined(CONFIG_START_IDE) | |
689 | if (board_start_ide()) | |
690 | ide_init(); | |
691 | #else | |
692 | ide_init(); | |
693 | #endif | |
694 | return 0; | |
695 | } | |
696 | #endif | |
697 | ||
698 | #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) | |
699 | /* | |
700 | * Export available size of memory for Linux, taking into account the | |
701 | * protected RAM at top of memory | |
702 | */ | |
703 | int initr_mem(void) | |
704 | { | |
705 | ulong pram = 0; | |
706 | char memsz[32]; | |
707 | ||
708 | # ifdef CONFIG_PRAM | |
709 | pram = getenv_ulong("pram", 10, CONFIG_PRAM); | |
710 | # endif | |
711 | # if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR) | |
712 | /* Also take the logbuffer into account (pram is in kB) */ | |
713 | pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024; | |
714 | # endif | |
715 | sprintf(memsz, "%ldk", (long int) ((gd->ram_size / 1024) - pram)); | |
716 | setenv("mem", memsz); | |
717 | ||
718 | return 0; | |
719 | } | |
720 | #endif | |
721 | ||
722 | #ifdef CONFIG_CMD_BEDBUG | |
723 | static int initr_bedbug(void) | |
724 | { | |
725 | bedbug_init(); | |
726 | ||
727 | return 0; | |
728 | } | |
729 | #endif | |
730 | ||
731 | #ifdef CONFIG_PS2KBD | |
732 | static int initr_kbd(void) | |
733 | { | |
734 | puts("PS/2: "); | |
735 | kbd_init(); | |
736 | return 0; | |
737 | } | |
738 | #endif | |
739 | ||
740 | static int run_main_loop(void) | |
741 | { | |
742 | #ifdef CONFIG_SANDBOX | |
743 | sandbox_main_loop_init(); | |
744 | #endif | |
745 | /* main_loop() can return to retry autoboot, if so just run it again */ | |
746 | for (;;) | |
747 | main_loop(); | |
748 | return 0; | |
749 | } | |
750 | ||
751 | /* | |
752 | * Over time we hope to remove these functions with code fragments and | |
753 | * stub funtcions, and instead call the relevant function directly. | |
754 | * | |
755 | * We also hope to remove most of the driver-related init and do it if/when | |
756 | * the driver is later used. | |
757 | * | |
758 | * TODO: perhaps reset the watchdog in the initcall function after each call? | |
759 | */ | |
760 | init_fnc_t init_sequence_r[] = { | |
761 | initr_trace, | |
762 | initr_reloc, | |
763 | /* TODO: could x86/PPC have this also perhaps? */ | |
764 | #ifdef CONFIG_ARM | |
765 | initr_caches, | |
766 | /* Note: For Freescale LS2 SoCs, new MMU table is created in DDR. | |
767 | * A temporary mapping of IFC high region is since removed, | |
768 | * so environmental variables in NOR flash is not availble | |
769 | * until board_init() is called below to remap IFC to high | |
770 | * region. | |
771 | */ | |
772 | #endif | |
773 | initr_reloc_global_data, | |
774 | #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) | |
775 | initr_unlock_ram_in_cache, | |
776 | #endif | |
777 | initr_barrier, | |
778 | initr_malloc, | |
779 | initr_console_record, | |
780 | #ifdef CONFIG_SYS_NONCACHED_MEMORY | |
781 | initr_noncached, | |
782 | #endif | |
783 | bootstage_relocate, | |
784 | #ifdef CONFIG_DM | |
785 | initr_dm, | |
786 | #endif | |
787 | initr_bootstage, | |
788 | #if defined(CONFIG_ARM) || defined(CONFIG_NDS32) | |
789 | board_init, /* Setup chipselects */ | |
790 | #endif | |
791 | /* | |
792 | * TODO: printing of the clock inforamtion of the board is now | |
793 | * implemented as part of bdinfo command. Currently only support for | |
794 | * davinci SOC's is added. Remove this check once all the board | |
795 | * implement this. | |
796 | */ | |
797 | #ifdef CONFIG_CLOCKS | |
798 | set_cpu_clk_info, /* Setup clock information */ | |
799 | #endif | |
800 | #ifdef CONFIG_EFI_LOADER | |
801 | efi_memory_init, | |
802 | #endif | |
803 | stdio_init_tables, | |
804 | initr_serial, | |
805 | initr_announce, | |
806 | INIT_FUNC_WATCHDOG_RESET | |
807 | #ifdef CONFIG_NEEDS_MANUAL_RELOC | |
808 | initr_manual_reloc_cmdtable, | |
809 | #endif | |
810 | #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS) | |
811 | initr_trap, | |
812 | #endif | |
813 | #ifdef CONFIG_ADDR_MAP | |
814 | initr_addr_map, | |
815 | #endif | |
816 | #if defined(CONFIG_BOARD_EARLY_INIT_R) | |
817 | board_early_init_r, | |
818 | #endif | |
819 | INIT_FUNC_WATCHDOG_RESET | |
820 | #ifdef CONFIG_LOGBUFFER | |
821 | initr_logbuffer, | |
822 | #endif | |
823 | #ifdef CONFIG_POST | |
824 | initr_post_backlog, | |
825 | #endif | |
826 | INIT_FUNC_WATCHDOG_RESET | |
827 | #ifdef CONFIG_SYS_DELAYED_ICACHE | |
828 | initr_icache_enable, | |
829 | #endif | |
830 | #if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT) | |
831 | /* | |
832 | * Do early PCI configuration _before_ the flash gets initialised, | |
833 | * because PCU ressources are crucial for flash access on some boards. | |
834 | */ | |
835 | initr_pci, | |
836 | #endif | |
837 | #ifdef CONFIG_WINBOND_83C553 | |
838 | initr_w83c553f, | |
839 | #endif | |
840 | #ifdef CONFIG_ARCH_EARLY_INIT_R | |
841 | arch_early_init_r, | |
842 | #endif | |
843 | power_init_board, | |
844 | #ifndef CONFIG_SYS_NO_FLASH | |
845 | initr_flash, | |
846 | #endif | |
847 | INIT_FUNC_WATCHDOG_RESET | |
848 | #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86) || \ | |
849 | defined(CONFIG_SPARC) | |
850 | /* initialize higher level parts of CPU like time base and timers */ | |
851 | cpu_init_r, | |
852 | #endif | |
853 | #ifdef CONFIG_PPC | |
854 | initr_spi, | |
855 | #endif | |
856 | #ifdef CONFIG_CMD_NAND | |
857 | initr_nand, | |
858 | #endif | |
859 | #ifdef CONFIG_CMD_ONENAND | |
860 | initr_onenand, | |
861 | #endif | |
862 | #ifdef CONFIG_GENERIC_MMC | |
863 | initr_mmc, | |
864 | #endif | |
865 | #ifdef CONFIG_HAS_DATAFLASH | |
866 | initr_dataflash, | |
867 | #endif | |
868 | initr_env, | |
869 | #ifdef CONFIG_SYS_BOOTPARAMS_LEN | |
870 | initr_malloc_bootparams, | |
871 | #endif | |
872 | INIT_FUNC_WATCHDOG_RESET | |
873 | initr_secondary_cpu, | |
874 | #if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET) | |
875 | mac_read_from_eeprom, | |
876 | #endif | |
877 | INIT_FUNC_WATCHDOG_RESET | |
878 | #if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT) | |
879 | /* | |
880 | * Do pci configuration | |
881 | */ | |
882 | initr_pci, | |
883 | #endif | |
884 | stdio_add_devices, | |
885 | initr_jumptable, | |
886 | #ifdef CONFIG_API | |
887 | initr_api, | |
888 | #endif | |
889 | console_init_r, /* fully init console as a device */ | |
890 | #ifdef CONFIG_DISPLAY_BOARDINFO_LATE | |
891 | show_board_info, | |
892 | #endif | |
893 | #ifdef CONFIG_ARCH_MISC_INIT | |
894 | arch_misc_init, /* miscellaneous arch-dependent init */ | |
895 | #endif | |
896 | #ifdef CONFIG_MISC_INIT_R | |
897 | misc_init_r, /* miscellaneous platform-dependent init */ | |
898 | #endif | |
899 | INIT_FUNC_WATCHDOG_RESET | |
900 | #ifdef CONFIG_CMD_KGDB | |
901 | initr_kgdb, | |
902 | #endif | |
903 | interrupt_init, | |
904 | #if defined(CONFIG_ARM) || defined(CONFIG_AVR32) | |
905 | initr_enable_interrupts, | |
906 | #endif | |
907 | #if defined(CONFIG_MICROBLAZE) || defined(CONFIG_AVR32) || defined(CONFIG_M68K) | |
908 | timer_init, /* initialize timer */ | |
909 | #endif | |
910 | #if defined(CONFIG_STATUS_LED) | |
911 | initr_status_led, | |
912 | #endif | |
913 | /* PPC has a udelay(20) here dating from 2002. Why? */ | |
914 | #ifdef CONFIG_CMD_NET | |
915 | initr_ethaddr, | |
916 | #endif | |
917 | #ifdef CONFIG_BOARD_LATE_INIT | |
918 | board_late_init, | |
919 | #endif | |
920 | #if defined(CONFIG_CMD_AMBAPP) | |
921 | ambapp_init_reloc, | |
922 | #if defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP) | |
923 | initr_ambapp_print, | |
924 | #endif | |
925 | #endif | |
926 | #ifdef CONFIG_SCSI | |
927 | INIT_FUNC_WATCHDOG_RESET | |
928 | initr_scsi, | |
929 | #endif | |
930 | #ifdef CONFIG_CMD_DOC | |
931 | INIT_FUNC_WATCHDOG_RESET | |
932 | initr_doc, | |
933 | #endif | |
934 | #ifdef CONFIG_BITBANGMII | |
935 | initr_bbmii, | |
936 | #endif | |
937 | #ifdef CONFIG_CMD_NET | |
938 | INIT_FUNC_WATCHDOG_RESET | |
939 | initr_net, | |
940 | #endif | |
941 | #ifdef CONFIG_POST | |
942 | initr_post, | |
943 | #endif | |
944 | #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE) | |
945 | initr_pcmcia, | |
946 | #endif | |
947 | #if defined(CONFIG_CMD_IDE) | |
948 | initr_ide, | |
949 | #endif | |
950 | #ifdef CONFIG_LAST_STAGE_INIT | |
951 | INIT_FUNC_WATCHDOG_RESET | |
952 | /* | |
953 | * Some parts can be only initialized if all others (like | |
954 | * Interrupts) are up and running (i.e. the PC-style ISA | |
955 | * keyboard). | |
956 | */ | |
957 | last_stage_init, | |
958 | #endif | |
959 | #ifdef CONFIG_CMD_BEDBUG | |
960 | INIT_FUNC_WATCHDOG_RESET | |
961 | initr_bedbug, | |
962 | #endif | |
963 | #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) | |
964 | initr_mem, | |
965 | #endif | |
966 | #ifdef CONFIG_PS2KBD | |
967 | initr_kbd, | |
968 | #endif | |
969 | #if defined(CONFIG_SPARC) | |
970 | prom_init, | |
971 | #endif | |
972 | run_main_loop, | |
973 | }; | |
974 | ||
975 | void board_init_r(gd_t *new_gd, ulong dest_addr) | |
976 | { | |
977 | #ifdef CONFIG_NEEDS_MANUAL_RELOC | |
978 | int i; | |
979 | #endif | |
980 | ||
981 | #ifdef CONFIG_AVR32 | |
982 | mmu_init_r(dest_addr); | |
983 | #endif | |
984 | ||
985 | #if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64) | |
986 | gd = new_gd; | |
987 | #endif | |
988 | ||
989 | #ifdef CONFIG_NEEDS_MANUAL_RELOC | |
990 | for (i = 0; i < ARRAY_SIZE(init_sequence_r); i++) | |
991 | init_sequence_r[i] += gd->reloc_off; | |
992 | #endif | |
993 | ||
994 | if (initcall_run_list(init_sequence_r)) | |
995 | hang(); | |
996 | ||
997 | /* NOTREACHED - run_main_loop() does not return */ | |
998 | hang(); | |
999 | } |