blob: 7c339008ed2a46b91677d4c4c9e5e97fd58f4a1f [file] [log] [blame]
Simon Glass6f6430d2013-03-11 14:30:37 +00001/*
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 *
Wolfgang Denk1a459662013-07-08 09:37:19 +020010 * SPDX-License-Identifier: GPL-2.0+
Simon Glass6f6430d2013-03-11 14:30:37 +000011 */
12
13#include <common.h>
Simon Glassc2240d42013-03-14 07:20:12 +000014/* 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
Simon Glass6f6430d2013-03-11 14:30:37 +000018#ifdef CONFIG_HAS_DATAFLASH
19#include <dataflash.h>
20#endif
Simon Glass1ce60172014-02-26 15:59:20 -070021#include <dm.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000022#include <environment.h>
23#include <fdtdec.h>
Simon Glassc2240d42013-03-14 07:20:12 +000024#if defined(CONFIG_CMD_IDE)
25#include <ide.h>
26#endif
Simon Glass6f6430d2013-03-11 14:30:37 +000027#include <initcall.h>
Simon Glassc2240d42013-03-14 07:20:12 +000028#ifdef CONFIG_PS2KBD
29#include <keyboard.h>
30#endif
31#if defined(CONFIG_CMD_KGDB)
32#include <kgdb.h>
33#endif
Simon Glass6f6430d2013-03-11 14:30:37 +000034#include <logbuff.h>
35#include <malloc.h>
Simon Glassc2240d42013-03-14 07:20:12 +000036#ifdef CONFIG_BITBANGMII
37#include <miiphy.h>
38#endif
Simon Glass6f6430d2013-03-11 14:30:37 +000039#include <mmc.h>
40#include <nand.h>
41#include <onenand_uboot.h>
Simon Glassc2240d42013-03-14 07:20:12 +000042#include <scsi.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000043#include <serial.h>
Simon Glassc2240d42013-03-14 07:20:12 +000044#include <spi.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000045#include <stdio_dev.h>
Simon Glass71c52db2013-06-11 11:14:42 -070046#include <trace.h>
Simon Glassc2240d42013-03-14 07:20:12 +000047#include <watchdog.h>
48#ifdef CONFIG_ADDR_MAP
49#include <asm/mmu.h>
50#endif
Simon Glass6f6430d2013-03-11 14:30:37 +000051#include <asm/sections.h>
Simon Glassbe274b92013-03-05 14:39:53 +000052#ifdef CONFIG_X86
53#include <asm/init_helpers.h>
54#endif
Simon Glass1ce60172014-02-26 15:59:20 -070055#include <dm/root.h>
Simon Glassc2240d42013-03-14 07:20:12 +000056#include <linux/compiler.h>
Simon Glass1ce60172014-02-26 15:59:20 -070057#include <linux/err.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000058
59DECLARE_GLOBAL_DATA_PTR;
60
61ulong monitor_flash_len;
62
Jeroen Hofsteedd2a6cd2014-10-08 22:57:22 +020063__weak int board_flash_wp_on(void)
Simon Glassc2240d42013-03-14 07:20:12 +000064{
65 /*
66 * Most flashes can't be detected when write protection is enabled,
67 * so provide a way to let U-Boot gracefully ignore write protected
68 * devices.
69 */
70 return 0;
71}
72
Jeroen Hofsteedd2a6cd2014-10-08 22:57:22 +020073__weak void cpu_secondary_init_r(void)
Simon Glassc2240d42013-03-14 07:20:12 +000074{
75}
76
Simon Glassc2240d42013-03-14 07:20:12 +000077static int initr_secondary_cpu(void)
78{
79 /*
80 * after non-volatile devices & environment is setup and cpu code have
81 * another round to deal with any initialization that might require
82 * full access to the environment or loading of some image (firmware)
83 * from a non-volatile device
84 */
85 /* TODO: maybe define this for all archs? */
86 cpu_secondary_init_r();
87
88 return 0;
89}
Simon Glass6f6430d2013-03-11 14:30:37 +000090
Simon Glass71c52db2013-06-11 11:14:42 -070091static int initr_trace(void)
92{
93#ifdef CONFIG_TRACE
94 trace_init(gd->trace_buff, CONFIG_TRACE_BUFFER_SIZE);
95#endif
96
97 return 0;
98}
99
Simon Glass6f6430d2013-03-11 14:30:37 +0000100static int initr_reloc(void)
101{
102 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
103 bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
104
105 return 0;
106}
107
108#ifdef CONFIG_ARM
109/*
110 * Some of these functions are needed purely because the functions they
111 * call return void. If we change them to return 0, these stubs can go away.
112 */
113static int initr_caches(void)
114{
115 /* Enable caches */
116 enable_caches();
117 return 0;
118}
119#endif
120
Simon Glassc2240d42013-03-14 07:20:12 +0000121__weak int fixup_cpu(void)
122{
123 return 0;
124}
125
Simon Glass6f6430d2013-03-11 14:30:37 +0000126static int initr_reloc_global_data(void)
127{
Albert ARIBAUDb60eff32014-02-22 17:53:43 +0100128#ifdef __ARM__
129 monitor_flash_len = _end - __image_copy_start;
Thomas Chou5ff10aa2014-08-22 11:36:47 +0800130#elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2)
Masahiro Yamadaa0ba2792013-05-27 00:37:30 +0000131 monitor_flash_len = (ulong)&__init_end - gd->relocaddr;
Simon Glass6f6430d2013-03-11 14:30:37 +0000132#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000133#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 */
Masahiro Yamadaa0ba2792013-05-27 00:37:30 +0000139 gd->arch.cpu += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
Simon Glassc2240d42013-03-14 07:20:12 +0000140
141 /*
142 * If we didn't know the cpu mask & # cores, we can save them of
143 * now rather than 'computing' them constantly
144 */
145 fixup_cpu();
146#endif
147#ifdef CONFIG_SYS_EXTRA_ENV_RELOC
148 /*
149 * Some systems need to relocate the env_addr pointer early because the
150 * location it points to will get invalidated before env_relocate is
151 * called. One example is on systems that might use a L2 or L3 cache
152 * in SRAM mode and initialize that cache from SRAM mode back to being
153 * a cache in cpu_init_r.
154 */
Masahiro Yamadaa0ba2792013-05-27 00:37:30 +0000155 gd->env_addr += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
Simon Glassc2240d42013-03-14 07:20:12 +0000156#endif
157 return 0;
Simon Glass6f6430d2013-03-11 14:30:37 +0000158}
159
160static int initr_serial(void)
161{
162 serial_initialize();
163 return 0;
164}
165
Simon Glassc2240d42013-03-14 07:20:12 +0000166#ifdef CONFIG_PPC
167static int initr_trap(void)
168{
169 /*
170 * Setup trap handlers
171 */
Masahiro Yamadaa0ba2792013-05-27 00:37:30 +0000172 trap_init(gd->relocaddr);
Simon Glassc2240d42013-03-14 07:20:12 +0000173
174 return 0;
175}
176#endif
177
178#ifdef CONFIG_ADDR_MAP
179static int initr_addr_map(void)
180{
181 init_addr_map();
182
183 return 0;
184}
185#endif
186
Simon Glass6f6430d2013-03-11 14:30:37 +0000187#ifdef CONFIG_LOGBUFFER
188unsigned long logbuffer_base(void)
189{
190 return gd->ram_top - LOGBUFF_LEN;
191}
192
193static int initr_logbuffer(void)
194{
195 logbuff_init_ptrs();
196 return 0;
197}
198#endif
199
200#ifdef CONFIG_POST
201static int initr_post_backlog(void)
202{
203 post_output_backlog();
204 return 0;
205}
206#endif
207
Simon Glassc2240d42013-03-14 07:20:12 +0000208#ifdef CONFIG_SYS_DELAYED_ICACHE
209static int initr_icache_enable(void)
210{
211 return 0;
212}
213#endif
214
215#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
216static int initr_unlock_ram_in_cache(void)
217{
218 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
219 return 0;
220}
221#endif
222
223#ifdef CONFIG_PCI
224static int initr_pci(void)
225{
226 pci_init();
227
228 return 0;
229}
230#endif
231
232#ifdef CONFIG_WINBOND_83C553
233static int initr_w83c553f(void)
234{
235 /*
236 * Initialise the ISA bridge
237 */
238 initialise_w83c553f();
239 return 0;
240}
241#endif
242
243static int initr_barrier(void)
244{
245#ifdef CONFIG_PPC
246 /* TODO: Can we not use dmb() macros for this? */
247 asm("sync ; isync");
248#endif
249 return 0;
250}
251
Simon Glass6f6430d2013-03-11 14:30:37 +0000252static int initr_malloc(void)
253{
254 ulong malloc_start;
255
Simon Glassd59476b2014-07-10 22:23:28 -0600256#ifdef CONFIG_SYS_MALLOC_F_LEN
257 debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
258 gd->malloc_ptr / 1024);
259#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000260 /* The malloc area is immediately below the monitor copy in DRAM */
Masahiro Yamadaa0ba2792013-05-27 00:37:30 +0000261 malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN;
Simon Glassa733b062013-04-26 02:53:43 +0000262 mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN),
263 TOTAL_MALLOC_LEN);
Simon Glass6f6430d2013-03-11 14:30:37 +0000264 return 0;
265}
266
Simon Glass1ce60172014-02-26 15:59:20 -0700267#ifdef CONFIG_DM
268static int initr_dm(void)
269{
Simon Glassab7cd622014-07-23 06:55:04 -0600270 /* Save the pre-reloc driver model and start a new one */
271 gd->dm_root_f = gd->dm_root;
272 gd->dm_root = NULL;
273 return dm_init_and_scan(false);
Simon Glass1ce60172014-02-26 15:59:20 -0700274}
275#endif
276
Simon Glass6f6430d2013-03-11 14:30:37 +0000277__weak int power_init_board(void)
278{
279 return 0;
280}
281
282static int initr_announce(void)
283{
Masahiro Yamadaa0ba2792013-05-27 00:37:30 +0000284 debug("Now running in RAM - U-Boot at: %08lx\n", gd->relocaddr);
Simon Glass6f6430d2013-03-11 14:30:37 +0000285 return 0;
286}
287
288#if !defined(CONFIG_SYS_NO_FLASH)
289static int initr_flash(void)
290{
Simon Glassc2240d42013-03-14 07:20:12 +0000291 ulong flash_size = 0;
292 bd_t *bd = gd->bd;
293 int ok;
Simon Glass6f6430d2013-03-11 14:30:37 +0000294
295 puts("Flash: ");
296
Simon Glassc2240d42013-03-14 07:20:12 +0000297 if (board_flash_wp_on()) {
298 printf("Uninitialized - Write Protect On\n");
299 /* Since WP is on, we can't find real size. Set to 0 */
300 ok = 1;
301 } else {
302 flash_size = flash_init();
303 ok = flash_size > 0;
304 }
305 if (!ok) {
Simon Glass6f6430d2013-03-11 14:30:37 +0000306 puts("*** failed ***\n");
Simon Glassc2240d42013-03-14 07:20:12 +0000307#ifdef CONFIG_PPC
308 /* Why does PPC do this? */
309 hang();
310#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000311 return -1;
312 }
313 print_size(flash_size, "");
314#ifdef CONFIG_SYS_FLASH_CHECKSUM
315 /*
316 * Compute and print flash CRC if flashchecksum is set to 'y'
317 *
318 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
319 */
320 if (getenv_yesno("flashchecksum") == 1) {
321 printf(" CRC: %08X", crc32(0,
322 (const unsigned char *) CONFIG_SYS_FLASH_BASE,
323 flash_size));
324 }
325#endif /* CONFIG_SYS_FLASH_CHECKSUM */
326 putc('\n');
327
Simon Glassc2240d42013-03-14 07:20:12 +0000328 /* update start of FLASH memory */
329#ifdef CONFIG_SYS_FLASH_BASE
330 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
331#endif
332 /* size of FLASH memory (final value) */
333 bd->bi_flashsize = flash_size;
334
335#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
336 /* Make a update of the Memctrl. */
337 update_flash_size(flash_size);
338#endif
339
340
341#if defined(CONFIG_OXC) || defined(CONFIG_RMU)
342 /* flash mapped at end of memory map */
343 bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
344#elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
345 bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */
346#endif
347 return 0;
348}
349#endif
350
Simon Glassebe76a22014-10-13 23:41:54 -0600351#if defined(CONFIG_PPC) && !defined(CONFIG_DM_SPI)
Simon Glassc2240d42013-03-14 07:20:12 +0000352static int initr_spi(void)
353{
354 /* PPC does this here */
355#ifdef CONFIG_SPI
356#if !defined(CONFIG_ENV_IS_IN_EEPROM)
357 spi_init_f();
358#endif
359 spi_init_r();
360#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000361 return 0;
362}
363#endif
364
365#ifdef CONFIG_CMD_NAND
366/* go init the NAND */
Jeroen Hofstee2588ba12014-10-08 22:57:32 +0200367static int initr_nand(void)
Simon Glass6f6430d2013-03-11 14:30:37 +0000368{
369 puts("NAND: ");
370 nand_init();
371 return 0;
372}
373#endif
374
375#if defined(CONFIG_CMD_ONENAND)
376/* go init the NAND */
Jeroen Hofstee2588ba12014-10-08 22:57:32 +0200377static int initr_onenand(void)
Simon Glass6f6430d2013-03-11 14:30:37 +0000378{
379 puts("NAND: ");
380 onenand_init();
381 return 0;
382}
383#endif
384
385#ifdef CONFIG_GENERIC_MMC
Jeroen Hofstee2588ba12014-10-08 22:57:32 +0200386static int initr_mmc(void)
Simon Glass6f6430d2013-03-11 14:30:37 +0000387{
388 puts("MMC: ");
389 mmc_initialize(gd->bd);
390 return 0;
391}
392#endif
393
394#ifdef CONFIG_HAS_DATAFLASH
Jeroen Hofstee2588ba12014-10-08 22:57:32 +0200395static int initr_dataflash(void)
Simon Glass6f6430d2013-03-11 14:30:37 +0000396{
397 AT91F_DataflashInit();
398 dataflash_print_info();
399 return 0;
400}
401#endif
402
403/*
404 * Tell if it's OK to load the environment early in boot.
405 *
406 * If CONFIG_OF_CONFIG is defined, we'll check with the FDT to see
407 * if this is OK (defaulting to saying it's OK).
408 *
409 * NOTE: Loading the environment early can be a bad idea if security is
410 * important, since no verification is done on the environment.
411 *
412 * @return 0 if environment should not be loaded, !=0 if it is ok to load
413 */
414static int should_load_env(void)
415{
416#ifdef CONFIG_OF_CONTROL
417 return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1);
418#elif defined CONFIG_DELAY_ENVIRONMENT
419 return 0;
420#else
421 return 1;
422#endif
423}
424
425static int initr_env(void)
426{
427 /* initialize environment */
428 if (should_load_env())
429 env_relocate();
430 else
431 set_default_env(NULL);
432
433 /* Initialize from environment */
434 load_addr = getenv_ulong("loadaddr", 16, load_addr);
Simon Glassc2240d42013-03-14 07:20:12 +0000435#if defined(CONFIG_SYS_EXTBDINFO)
436#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
437#if defined(CONFIG_I2CFAST)
438 /*
439 * set bi_iic_fast for linux taking environment variable
440 * "i2cfast" into account
441 */
442 {
443 char *s = getenv("i2cfast");
444
445 if (s && ((*s == 'y') || (*s == 'Y'))) {
446 gd->bd->bi_iic_fast[0] = 1;
447 gd->bd->bi_iic_fast[1] = 1;
448 }
449 }
450#endif /* CONFIG_I2CFAST */
451#endif /* CONFIG_405GP, CONFIG_405EP */
452#endif /* CONFIG_SYS_EXTBDINFO */
Simon Glass6f6430d2013-03-11 14:30:37 +0000453 return 0;
454}
455
Simon Glassc2240d42013-03-14 07:20:12 +0000456#ifdef CONFIG_HERMES
457static int initr_hermes(void)
458{
459 if ((gd->board_type >> 16) == 2)
460 gd->bd->bi_ethspeed = gd->board_type & 0xFFFF;
461 else
462 gd->bd->bi_ethspeed = 0xFFFF;
463 return 0;
464}
465
466static int initr_hermes_start(void)
467{
468 if (gd->bd->bi_ethspeed != 0xFFFF)
469 hermes_start_lxt980((int) gd->bd->bi_ethspeed);
470 return 0;
471}
472#endif
473
474#ifdef CONFIG_SC3
475/* TODO: with new initcalls, move this into the driver */
476extern void sc3_read_eeprom(void);
477
478static int initr_sc3_read_eeprom(void)
479{
480 sc3_read_eeprom();
481 return 0;
482}
483#endif
484
Simon Glass6f6430d2013-03-11 14:30:37 +0000485static int initr_jumptable(void)
486{
487 jumptable_init();
488 return 0;
489}
490
491#if defined(CONFIG_API)
492static int initr_api(void)
493{
494 /* Initialize API */
495 api_init();
496 return 0;
497}
498#endif
499
500#ifdef CONFIG_DISPLAY_BOARDINFO_LATE
501static int show_model_r(void)
502{
503 /* Put this here so it appears on the LCD, now it is ready */
504# ifdef CONFIG_OF_CONTROL
505 const char *model;
506
507 model = (char *)fdt_getprop(gd->fdt_blob, 0, "model", NULL);
508 printf("Model: %s\n", model ? model : "<unknown>");
509# else
510 checkboard();
511# endif
Paul Burtonc4474fc2014-04-04 12:23:24 +0100512 return 0;
Simon Glass6f6430d2013-03-11 14:30:37 +0000513}
514#endif
515
516/* enable exceptions */
Simon Glasse424c152013-03-11 07:40:13 +0000517#ifdef CONFIG_ARM
Simon Glass6f6430d2013-03-11 14:30:37 +0000518static int initr_enable_interrupts(void)
519{
520 enable_interrupts();
521 return 0;
522}
Simon Glasse424c152013-03-11 07:40:13 +0000523#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000524
525#ifdef CONFIG_CMD_NET
526static int initr_ethaddr(void)
527{
Simon Glassc2240d42013-03-14 07:20:12 +0000528 bd_t *bd = gd->bd;
529
530 /* kept around for legacy kernels only ... ignore the next section */
531 eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
532#ifdef CONFIG_HAS_ETH1
533 eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr);
534#endif
535#ifdef CONFIG_HAS_ETH2
536 eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr);
537#endif
538#ifdef CONFIG_HAS_ETH3
539 eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr);
540#endif
541#ifdef CONFIG_HAS_ETH4
542 eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr);
543#endif
544#ifdef CONFIG_HAS_ETH5
545 eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr);
546#endif
547 return 0;
548}
549#endif /* CONFIG_CMD_NET */
550
551#ifdef CONFIG_CMD_KGDB
552static int initr_kgdb(void)
553{
554 puts("KGDB: ");
555 kgdb_init();
556 return 0;
557}
558#endif
559
560#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
561static int initr_status_led(void)
562{
563 status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
564
565 return 0;
566}
567#endif
568
569#if defined(CONFIG_CMD_SCSI)
570static int initr_scsi(void)
571{
Simon Glassc2240d42013-03-14 07:20:12 +0000572 puts("SCSI: ");
573 scsi_init();
Simon Glass6f6430d2013-03-11 14:30:37 +0000574
575 return 0;
576}
Ian Campbell2c997e72014-07-21 19:23:18 +0100577#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000578
Simon Glassc2240d42013-03-14 07:20:12 +0000579#if defined(CONFIG_CMD_DOC)
580static int initr_doc(void)
581{
582 puts("DOC: ");
583 doc_init();
Ian Campbell19ad5272014-07-24 09:29:57 +0100584 return 0;
Simon Glassc2240d42013-03-14 07:20:12 +0000585}
586#endif
587
Simon Glass6f6430d2013-03-11 14:30:37 +0000588#ifdef CONFIG_BITBANGMII
589static int initr_bbmii(void)
590{
591 bb_miiphy_init();
592 return 0;
593}
594#endif
595
596#ifdef CONFIG_CMD_NET
597static int initr_net(void)
598{
599 puts("Net: ");
600 eth_initialize(gd->bd);
601#if defined(CONFIG_RESET_PHY_R)
602 debug("Reset Ethernet PHY\n");
603 reset_phy();
604#endif
605 return 0;
606}
607#endif
608
609#ifdef CONFIG_POST
610static int initr_post(void)
611{
612 post_run(NULL, POST_RAM | post_bootmode_get(0));
613 return 0;
614}
615#endif
616
Simon Glassc2240d42013-03-14 07:20:12 +0000617#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE)
618static int initr_pcmcia(void)
619{
620 puts("PCMCIA:");
621 pcmcia_init();
622 return 0;
623}
624#endif
625
626#if defined(CONFIG_CMD_IDE)
627static int initr_ide(void)
628{
629#ifdef CONFIG_IDE_8xx_PCCARD
630 puts("PCMCIA:");
631#else
632 puts("IDE: ");
633#endif
634#if defined(CONFIG_START_IDE)
635 if (board_start_ide())
636 ide_init();
637#else
638 ide_init();
639#endif
640 return 0;
641}
642#endif
643
Simon Glass6f6430d2013-03-11 14:30:37 +0000644#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
645/*
646 * Export available size of memory for Linux, taking into account the
647 * protected RAM at top of memory
648 */
649int initr_mem(void)
650{
651 ulong pram = 0;
652 char memsz[32];
653
654# ifdef CONFIG_PRAM
655 pram = getenv_ulong("pram", 10, CONFIG_PRAM);
656# endif
657# if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR)
658 /* Also take the logbuffer into account (pram is in kB) */
659 pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024;
660# endif
Valentin Longchampae1a74e2014-10-03 11:16:19 +0200661 sprintf(memsz, "%ldk", (long int) ((gd->ram_size / 1024) - pram));
Simon Glass6f6430d2013-03-11 14:30:37 +0000662 setenv("mem", memsz);
Simon Glassc2240d42013-03-14 07:20:12 +0000663
664 return 0;
665}
666#endif
667
668#ifdef CONFIG_CMD_BEDBUG
669static int initr_bedbug(void)
670{
671 bedbug_init();
672
673 return 0;
674}
675#endif
676
677#ifdef CONFIG_PS2KBD
678static int initr_kbd(void)
679{
680 puts("PS/2: ");
681 kbd_init();
682 return 0;
683}
684#endif
685
Simon Glass6f6430d2013-03-11 14:30:37 +0000686static int run_main_loop(void)
687{
Simon Glassa733b062013-04-26 02:53:43 +0000688#ifdef CONFIG_SANDBOX
689 sandbox_main_loop_init();
690#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000691 /* main_loop() can return to retry autoboot, if so just run it again */
692 for (;;)
693 main_loop();
694 return 0;
695}
696
697/*
698 * Over time we hope to remove these functions with code fragments and
699 * stub funtcions, and instead call the relevant function directly.
700 *
701 * We also hope to remove most of the driver-related init and do it if/when
702 * the driver is later used.
Simon Glassc2240d42013-03-14 07:20:12 +0000703 *
704 * TODO: perhaps reset the watchdog in the initcall function after each call?
Simon Glass6f6430d2013-03-11 14:30:37 +0000705 */
706init_fnc_t init_sequence_r[] = {
Simon Glass71c52db2013-06-11 11:14:42 -0700707 initr_trace,
Simon Glass6f6430d2013-03-11 14:30:37 +0000708 initr_reloc,
Simon Glassc2240d42013-03-14 07:20:12 +0000709 /* TODO: could x86/PPC have this also perhaps? */
Simon Glass6f6430d2013-03-11 14:30:37 +0000710#ifdef CONFIG_ARM
711 initr_caches,
Simon Glass9fb02492014-09-03 17:37:01 -0600712#endif
713 initr_reloc_global_data,
York Sunfef3e252014-10-02 15:20:10 -0700714#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
715 initr_unlock_ram_in_cache,
716#endif
Simon Glass9fb02492014-09-03 17:37:01 -0600717 initr_barrier,
718 initr_malloc,
719 bootstage_relocate,
720#ifdef CONFIG_DM
721 initr_dm,
722#endif
723#ifdef CONFIG_ARM
Simon Glass6f6430d2013-03-11 14:30:37 +0000724 board_init, /* Setup chipselects */
725#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000726 /*
727 * TODO: printing of the clock inforamtion of the board is now
728 * implemented as part of bdinfo command. Currently only support for
729 * davinci SOC's is added. Remove this check once all the board
730 * implement this.
731 */
732#ifdef CONFIG_CLOCKS
733 set_cpu_clk_info, /* Setup clock information */
734#endif
Simon Glass9fb02492014-09-03 17:37:01 -0600735 stdio_init_tables,
Simon Glass6f6430d2013-03-11 14:30:37 +0000736 initr_serial,
737 initr_announce,
Simon Glassc2240d42013-03-14 07:20:12 +0000738 INIT_FUNC_WATCHDOG_RESET
739#ifdef CONFIG_PPC
740 initr_trap,
741#endif
742#ifdef CONFIG_ADDR_MAP
743 initr_addr_map,
744#endif
745#if defined(CONFIG_BOARD_EARLY_INIT_R)
746 board_early_init_r,
747#endif
748 INIT_FUNC_WATCHDOG_RESET
Simon Glass6f6430d2013-03-11 14:30:37 +0000749#ifdef CONFIG_LOGBUFFER
750 initr_logbuffer,
751#endif
752#ifdef CONFIG_POST
753 initr_post_backlog,
754#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000755 INIT_FUNC_WATCHDOG_RESET
756#ifdef CONFIG_SYS_DELAYED_ICACHE
757 initr_icache_enable,
758#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000759#if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT)
760 /*
761 * Do early PCI configuration _before_ the flash gets initialised,
762 * because PCU ressources are crucial for flash access on some boards.
763 */
764 initr_pci,
765#endif
766#ifdef CONFIG_WINBOND_83C553
767 initr_w83c553f,
768#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000769#ifdef CONFIG_ARCH_EARLY_INIT_R
770 arch_early_init_r,
771#endif
772 power_init_board,
773#ifndef CONFIG_SYS_NO_FLASH
774 initr_flash,
775#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000776 INIT_FUNC_WATCHDOG_RESET
Simon Glassbe274b92013-03-05 14:39:53 +0000777#if defined(CONFIG_PPC) || defined(CONFIG_X86)
Simon Glassc2240d42013-03-14 07:20:12 +0000778 /* initialize higher level parts of CPU like time base and timers */
779 cpu_init_r,
Simon Glassbe274b92013-03-05 14:39:53 +0000780#endif
781#ifdef CONFIG_PPC
Simon Glassc2240d42013-03-14 07:20:12 +0000782 initr_spi,
783#endif
Simon Glassbe274b92013-03-05 14:39:53 +0000784#if defined(CONFIG_X86) && defined(CONFIG_SPI)
785 init_func_spi,
786#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000787#ifdef CONFIG_CMD_NAND
788 initr_nand,
789#endif
790#ifdef CONFIG_CMD_ONENAND
791 initr_onenand,
792#endif
793#ifdef CONFIG_GENERIC_MMC
794 initr_mmc,
795#endif
796#ifdef CONFIG_HAS_DATAFLASH
797 initr_dataflash,
798#endif
799 initr_env,
Simon Glassc2240d42013-03-14 07:20:12 +0000800 INIT_FUNC_WATCHDOG_RESET
801 initr_secondary_cpu,
802#ifdef CONFIG_SC3
803 initr_sc3_read_eeprom,
804#endif
805#ifdef CONFIG_HERMES
806 initr_hermes,
807#endif
808#if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET)
809 mac_read_from_eeprom,
810#endif
811 INIT_FUNC_WATCHDOG_RESET
812#if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
813 /*
814 * Do pci configuration
815 */
816 initr_pci,
817#endif
Simon Glass9fb02492014-09-03 17:37:01 -0600818 stdio_add_devices,
Simon Glass6f6430d2013-03-11 14:30:37 +0000819 initr_jumptable,
820#ifdef CONFIG_API
821 initr_api,
822#endif
823 console_init_r, /* fully init console as a device */
824#ifdef CONFIG_DISPLAY_BOARDINFO_LATE
825 show_model_r,
826#endif
827#ifdef CONFIG_ARCH_MISC_INIT
828 arch_misc_init, /* miscellaneous arch-dependent init */
829#endif
830#ifdef CONFIG_MISC_INIT_R
831 misc_init_r, /* miscellaneous platform-dependent init */
832#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000833#ifdef CONFIG_HERMES
834 initr_hermes_start,
835#endif
836 INIT_FUNC_WATCHDOG_RESET
837#ifdef CONFIG_CMD_KGDB
838 initr_kgdb,
839#endif
Simon Glassbe274b92013-03-05 14:39:53 +0000840#ifdef CONFIG_X86
841 board_early_init_r,
842#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000843 interrupt_init,
Simon Glassbe274b92013-03-05 14:39:53 +0000844#if defined(CONFIG_ARM) || defined(CONFIG_x86)
Simon Glass6f6430d2013-03-11 14:30:37 +0000845 initr_enable_interrupts,
Simon Glassc2240d42013-03-14 07:20:12 +0000846#endif
Simon Glassbe274b92013-03-05 14:39:53 +0000847#ifdef CONFIG_X86
848 timer_init, /* initialize timer */
849#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000850#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
851 initr_status_led,
852#endif
853 /* PPC has a udelay(20) here dating from 2002. Why? */
Simon Glass6f6430d2013-03-11 14:30:37 +0000854#ifdef CONFIG_CMD_NET
855 initr_ethaddr,
856#endif
857#ifdef CONFIG_BOARD_LATE_INIT
858 board_late_init,
859#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000860#ifdef CONFIG_CMD_SCSI
861 INIT_FUNC_WATCHDOG_RESET
862 initr_scsi,
863#endif
864#ifdef CONFIG_CMD_DOC
865 INIT_FUNC_WATCHDOG_RESET
866 initr_doc,
867#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000868#ifdef CONFIG_BITBANGMII
869 initr_bbmii,
870#endif
871#ifdef CONFIG_CMD_NET
Simon Glassc2240d42013-03-14 07:20:12 +0000872 INIT_FUNC_WATCHDOG_RESET
Simon Glass6f6430d2013-03-11 14:30:37 +0000873 initr_net,
874#endif
875#ifdef CONFIG_POST
876 initr_post,
877#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000878#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE)
879 initr_pcmcia,
880#endif
881#if defined(CONFIG_CMD_IDE)
882 initr_ide,
883#endif
884#ifdef CONFIG_LAST_STAGE_INIT
885 INIT_FUNC_WATCHDOG_RESET
886 /*
887 * Some parts can be only initialized if all others (like
888 * Interrupts) are up and running (i.e. the PC-style ISA
889 * keyboard).
890 */
891 last_stage_init,
892#endif
893#ifdef CONFIG_CMD_BEDBUG
894 INIT_FUNC_WATCHDOG_RESET
895 initr_bedbug,
896#endif
897#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
898 initr_mem,
899#endif
900#ifdef CONFIG_PS2KBD
901 initr_kbd,
902#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000903 run_main_loop,
904};
905
906void board_init_r(gd_t *new_gd, ulong dest_addr)
907{
Alexey Brodkin73953982014-01-20 14:30:39 +0400908#ifdef CONFIG_NEEDS_MANUAL_RELOC
909 int i;
910#endif
911
Jeroen Hofstee47a602e2014-07-30 21:54:49 +0200912#if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
Simon Glass6f6430d2013-03-11 14:30:37 +0000913 gd = new_gd;
Simon Glassbe274b92013-03-05 14:39:53 +0000914#endif
Alexey Brodkin73953982014-01-20 14:30:39 +0400915
916#ifdef CONFIG_NEEDS_MANUAL_RELOC
917 for (i = 0; i < ARRAY_SIZE(init_sequence_r); i++)
918 init_sequence_r[i] += gd->reloc_off;
919#endif
920
Simon Glass6f6430d2013-03-11 14:30:37 +0000921 if (initcall_run_list(init_sequence_r))
922 hang();
923
924 /* NOTREACHED - run_main_loop() does not return */
925 hang();
926}