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Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Simon Glassdb397fa2013-03-11 14:30:37 +00002/*
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>
Simon Glassdb397fa2013-03-11 14:30:37 +000010 */
11
12#include <common.h>
Simon Glassac53a5c2017-05-17 08:22:40 -060013#include <api.h>
Simon Glass1ea97892020-05-10 11:40:00 -060014#include <bootstage.h>
Simon Glass63334482019-11-14 12:57:39 -070015#include <cpu_func.h>
Simon Glass6ba03922019-12-28 10:44:46 -070016#include <exports.h>
Simon Glass8e201882020-05-10 11:39:54 -060017#include <flash.h>
Simon Glassf11478f2019-12-28 10:45:07 -070018#include <hang.h>
Simon Glass85f13782019-12-28 10:45:03 -070019#include <image.h>
Simon Glass8f3f7612019-11-14 12:57:42 -070020#include <irq_func.h>
Simon Glass0f2af882020-05-10 11:40:05 -060021#include <log.h>
Simon Glass0c364412019-12-28 10:44:48 -070022#include <net.h>
Simon Glass274e0b02020-05-10 11:39:56 -060023#include <asm/cache.h>
Simon Glass3ba929a2020-10-30 21:38:53 -060024#include <asm/global_data.h>
Simon Glass48b6c6b2019-11-14 12:57:16 -070025#include <u-boot/crc.h>
Simon Glass5af29bd2013-03-14 07:20:12 +000026/* TODO: can we just include all these headers whether needed or not? */
27#if defined(CONFIG_CMD_BEDBUG)
28#include <bedbug/type.h>
29#endif
Simon Glassdd7fb9b2019-12-06 21:41:34 -070030#include <binman.h>
Tom Rini23415e52015-12-07 08:23:29 -050031#include <command.h>
Simon Glassa73bda42015-11-08 23:47:45 -070032#include <console.h>
Simon Glasseea87102014-02-26 15:59:20 -070033#include <dm.h>
Simon Glass8fe40932019-08-01 09:46:44 -060034#include <env.h>
Simon Glass9d1f6192019-08-02 09:44:25 -060035#include <env_internal.h>
Simon Glassdb397fa2013-03-11 14:30:37 +000036#include <fdtdec.h>
Simon Glass5af29bd2013-03-14 07:20:12 +000037#include <ide.h>
Simon Glassa5037e22019-12-28 10:44:39 -070038#include <init.h>
Simon Glassdb397fa2013-03-11 14:30:37 +000039#include <initcall.h>
Simon Glass5af29bd2013-03-14 07:20:12 +000040#if defined(CONFIG_CMD_KGDB)
41#include <kgdb.h>
42#endif
Simon Glass9b61c7c2019-11-14 12:57:41 -070043#include <irq_func.h>
Simon Glassdb397fa2013-03-11 14:30:37 +000044#include <malloc.h>
Joe Hershberger65b905b2015-03-22 17:08:59 -050045#include <mapmem.h>
Simon Glass5af29bd2013-03-14 07:20:12 +000046#ifdef CONFIG_BITBANGMII
47#include <miiphy.h>
48#endif
Simon Glassdb397fa2013-03-11 14:30:37 +000049#include <mmc.h>
Jean-Jacques Hiblot0c1b5572020-10-16 16:16:31 +053050#include <mux.h>
Simon Glassdb397fa2013-03-11 14:30:37 +000051#include <nand.h>
Simon Glass46e09772017-05-18 20:08:56 -060052#include <of_live.h>
Simon Glassdb397fa2013-03-11 14:30:37 +000053#include <onenand_uboot.h>
Anastasiia Lukianenko4fec7f82020-08-06 12:42:55 +030054#include <pvblock.h>
Simon Glass5af29bd2013-03-14 07:20:12 +000055#include <scsi.h>
Simon Glassdb397fa2013-03-11 14:30:37 +000056#include <serial.h>
Simon Glasse7872cb2019-11-14 12:57:11 -070057#include <status_led.h>
Simon Glassdb397fa2013-03-11 14:30:37 +000058#include <stdio_dev.h>
Simon Glass8e4f80f2016-02-24 09:14:50 -070059#include <timer.h>
Simon Glass209a1a62013-06-11 11:14:42 -070060#include <trace.h>
Simon Glass5af29bd2013-03-14 07:20:12 +000061#include <watchdog.h>
Oleksandr Andrushchenko2280d332020-08-06 12:42:48 +030062#ifdef CONFIG_XEN
63#include <xen.h>
64#endif
Simon Glass5af29bd2013-03-14 07:20:12 +000065#ifdef CONFIG_ADDR_MAP
66#include <asm/mmu.h>
67#endif
Simon Glassdb397fa2013-03-11 14:30:37 +000068#include <asm/sections.h>
Simon Glasseea87102014-02-26 15:59:20 -070069#include <dm/root.h>
Simon Glass5af29bd2013-03-14 07:20:12 +000070#include <linux/compiler.h>
Simon Glasseea87102014-02-26 15:59:20 -070071#include <linux/err.h>
Alexander Graf0bd425a2016-03-04 01:10:01 +010072#include <efi_loader.h>
Stefan Roese502acb02019-04-11 15:58:44 +020073#include <wdt.h>
Heiko Schocher58e4c382019-07-17 06:59:51 +020074#if defined(CONFIG_GPIO_HOG)
Heiko Schocher39cb3402019-06-12 06:11:46 +020075#include <asm/gpio.h>
76#endif
AKASHI Takahiro87942ac2020-10-29 13:47:45 +090077#ifdef CONFIG_EFI_SETUP_EARLY
78#include <efi_loader.h>
79#endif
Simon Glassdb397fa2013-03-11 14:30:37 +000080
81DECLARE_GLOBAL_DATA_PTR;
82
83ulong monitor_flash_len;
84
Jeroen Hofstee45846052014-10-08 22:57:22 +020085__weak int board_flash_wp_on(void)
Simon Glass5af29bd2013-03-14 07:20:12 +000086{
87 /*
88 * Most flashes can't be detected when write protection is enabled,
89 * so provide a way to let U-Boot gracefully ignore write protected
90 * devices.
91 */
92 return 0;
93}
94
Ovidiu Panaitc14c0f92020-11-28 10:43:09 +020095__weak int cpu_secondary_init_r(void)
Simon Glass5af29bd2013-03-14 07:20:12 +000096{
Simon Glass5af29bd2013-03-14 07:20:12 +000097 return 0;
98}
Simon Glassdb397fa2013-03-11 14:30:37 +000099
Simon Glass209a1a62013-06-11 11:14:42 -0700100static int initr_trace(void)
101{
102#ifdef CONFIG_TRACE
103 trace_init(gd->trace_buff, CONFIG_TRACE_BUFFER_SIZE);
104#endif
105
106 return 0;
107}
108
Simon Glassdb397fa2013-03-11 14:30:37 +0000109static int initr_reloc(void)
110{
Simon Glass94890462014-11-10 17:16:43 -0700111 /* tell others: relocation done */
112 gd->flags |= GD_FLG_RELOC | GD_FLG_FULL_MALLOC_INIT;
Simon Glassdb397fa2013-03-11 14:30:37 +0000113
114 return 0;
115}
116
117#ifdef CONFIG_ARM
118/*
119 * Some of these functions are needed purely because the functions they
120 * call return void. If we change them to return 0, these stubs can go away.
121 */
122static int initr_caches(void)
123{
124 /* Enable caches */
125 enable_caches();
126 return 0;
127}
128#endif
129
Simon Glass5af29bd2013-03-14 07:20:12 +0000130__weak int fixup_cpu(void)
131{
132 return 0;
133}
134
Simon Glassdb397fa2013-03-11 14:30:37 +0000135static int initr_reloc_global_data(void)
136{
Albert ARIBAUD6e294722014-02-22 17:53:43 +0100137#ifdef __ARM__
138 monitor_flash_len = _end - __image_copy_start;
Rick Chen3301bfc2017-12-26 13:55:58 +0800139#elif defined(CONFIG_NDS32) || defined(CONFIG_RISCV)
Kun-Hua Huang89299e22015-08-24 14:52:35 +0800140 monitor_flash_len = (ulong)&_end - (ulong)&_start;
Thomas Choucce3e752014-08-22 11:36:47 +0800141#elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2)
Masahiro Yamadad1589242013-05-27 00:37:30 +0000142 monitor_flash_len = (ulong)&__init_end - gd->relocaddr;
Simon Glassdb397fa2013-03-11 14:30:37 +0000143#endif
Simon Glass5af29bd2013-03-14 07:20:12 +0000144#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
145 /*
146 * The gd->cpu pointer is set to an address in flash before relocation.
147 * We need to update it to point to the same CPU entry in RAM.
148 * TODO: why not just add gd->reloc_ofs?
149 */
Masahiro Yamadad1589242013-05-27 00:37:30 +0000150 gd->arch.cpu += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
Simon Glass5af29bd2013-03-14 07:20:12 +0000151
152 /*
153 * If we didn't know the cpu mask & # cores, we can save them of
154 * now rather than 'computing' them constantly
155 */
156 fixup_cpu();
157#endif
Tom Rinica63e712019-11-12 22:46:36 -0500158#ifdef CONFIG_SYS_RELOC_GD_ENV_ADDR
Simon Glass5af29bd2013-03-14 07:20:12 +0000159 /*
Simon Goldschmidt77a29332018-09-27 12:38:34 +0200160 * Relocate the early env_addr pointer unless we know it is not inside
161 * the binary. Some systems need this and for the rest, it doesn't hurt.
Simon Glass5af29bd2013-03-14 07:20:12 +0000162 */
Simon Goldschmidt77a29332018-09-27 12:38:34 +0200163 gd->env_addr += gd->reloc_off;
Simon Glass5af29bd2013-03-14 07:20:12 +0000164#endif
Siva Durga Prasad Paladuguabffd312015-12-03 15:46:03 +0100165#ifdef CONFIG_OF_EMBED
166 /*
Mario Sixee9b75b2018-01-15 11:10:30 +0100167 * The fdt_blob needs to be moved to new relocation address
168 * incase of FDT blob is embedded with in image
169 */
Siva Durga Prasad Paladuguabffd312015-12-03 15:46:03 +0100170 gd->fdt_blob += gd->reloc_off;
171#endif
Alexander Graf0bd425a2016-03-04 01:10:01 +0100172#ifdef CONFIG_EFI_LOADER
Heinrich Schuchardt3f2860f2019-04-10 00:32:07 +0200173 /*
174 * On the ARM architecture gd is mapped to a fixed register (r9 or x18).
175 * As this register may be overwritten by an EFI payload we save it here
176 * and restore it on every callback entered.
177 */
178 efi_save_gd();
179
Alexander Graf0bd425a2016-03-04 01:10:01 +0100180 efi_runtime_relocate(gd->relocaddr, NULL);
181#endif
Siva Durga Prasad Paladuguabffd312015-12-03 15:46:03 +0100182
Simon Glass5af29bd2013-03-14 07:20:12 +0000183 return 0;
Simon Glassdb397fa2013-03-11 14:30:37 +0000184}
185
Ovidiu Panait2c823912020-11-28 10:43:18 +0200186__weak int arch_initr_trap(void)
Simon Glass5af29bd2013-03-14 07:20:12 +0000187{
Simon Glass5af29bd2013-03-14 07:20:12 +0000188 return 0;
189}
Simon Glass5af29bd2013-03-14 07:20:12 +0000190
191#ifdef CONFIG_ADDR_MAP
192static int initr_addr_map(void)
193{
194 init_addr_map();
195
196 return 0;
197}
198#endif
199
Simon Glass5af29bd2013-03-14 07:20:12 +0000200#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
201static int initr_unlock_ram_in_cache(void)
202{
203 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
204 return 0;
205}
206#endif
207
Simon Glass5af29bd2013-03-14 07:20:12 +0000208static int initr_barrier(void)
209{
210#ifdef CONFIG_PPC
211 /* TODO: Can we not use dmb() macros for this? */
212 asm("sync ; isync");
213#endif
214 return 0;
215}
216
Simon Glassdb397fa2013-03-11 14:30:37 +0000217static int initr_malloc(void)
218{
219 ulong malloc_start;
220
Andy Yan1fa20e4d2017-07-24 17:43:34 +0800221#if CONFIG_VAL(SYS_MALLOC_F_LEN)
Simon Glass863e4042014-07-10 22:23:28 -0600222 debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
223 gd->malloc_ptr / 1024);
224#endif
Simon Glassdb397fa2013-03-11 14:30:37 +0000225 /* The malloc area is immediately below the monitor copy in DRAM */
Stephen Warren9b496432019-08-27 11:54:31 -0600226 /*
227 * This value MUST match the value of gd->start_addr_sp in board_f.c:
228 * reserve_noncached().
229 */
Masahiro Yamadad1589242013-05-27 00:37:30 +0000230 malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN;
Simon Glass62cf9122013-04-26 02:53:43 +0000231 mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN),
232 TOTAL_MALLOC_LEN);
Simon Glassdb397fa2013-03-11 14:30:37 +0000233 return 0;
234}
Thierry Redingc97d9742014-12-09 22:25:22 -0700235
Simon Glass46e09772017-05-18 20:08:56 -0600236static int initr_of_live(void)
237{
Simon Glass40916e62020-10-03 09:25:22 -0600238 if (CONFIG_IS_ENABLED(OF_LIVE)) {
239 int ret;
Simon Glassfda60522017-05-22 05:05:36 -0600240
Simon Glass40916e62020-10-03 09:25:22 -0600241 bootstage_start(BOOTSTAGE_ID_ACCUM_OF_LIVE, "of_live");
242 ret = of_live_build(gd->fdt_blob,
243 (struct device_node **)gd_of_root_ptr());
244 bootstage_accum(BOOTSTAGE_ID_ACCUM_OF_LIVE);
245 if (ret)
246 return ret;
247 }
Simon Glassfda60522017-05-22 05:05:36 -0600248
249 return 0;
Simon Glass46e09772017-05-18 20:08:56 -0600250}
Simon Glass46e09772017-05-18 20:08:56 -0600251
Simon Glasseea87102014-02-26 15:59:20 -0700252#ifdef CONFIG_DM
253static int initr_dm(void)
254{
Simon Glass8e4f80f2016-02-24 09:14:50 -0700255 int ret;
256
Simon Glassa730c5d2014-07-23 06:55:04 -0600257 /* Save the pre-reloc driver model and start a new one */
258 gd->dm_root_f = gd->dm_root;
259 gd->dm_root = NULL;
Simon Glassb0fb7bd2016-03-11 22:06:46 -0700260#ifdef CONFIG_TIMER
261 gd->timer = NULL;
262#endif
Simon Glassea6a6092020-05-10 11:39:59 -0600263 bootstage_start(BOOTSTAGE_ID_ACCUM_DM_R, "dm_r");
Simon Glass8e4f80f2016-02-24 09:14:50 -0700264 ret = dm_init_and_scan(false);
Simon Glassea6a6092020-05-10 11:39:59 -0600265 bootstage_accum(BOOTSTAGE_ID_ACCUM_DM_R);
Simon Glass8e4f80f2016-02-24 09:14:50 -0700266 if (ret)
267 return ret;
Simon Glass8e4f80f2016-02-24 09:14:50 -0700268
269 return 0;
Simon Glasseea87102014-02-26 15:59:20 -0700270}
271#endif
272
Simon Glass3199afb2019-12-06 21:41:46 -0700273static int initr_dm_devices(void)
274{
275 int ret;
276
277 if (IS_ENABLED(CONFIG_TIMER_EARLY)) {
278 ret = dm_timer_init();
279 if (ret)
280 return ret;
281 }
282
Jean-Jacques Hiblot0c1b5572020-10-16 16:16:31 +0530283 if (IS_ENABLED(CONFIG_MULTIPLEXER)) {
284 /*
285 * Initialize the multiplexer controls to their default state.
286 * This must be done early as other drivers may unknowingly
287 * rely on it.
288 */
289 ret = dm_mux_init();
290 if (ret)
291 return ret;
292 }
293
Simon Glass3199afb2019-12-06 21:41:46 -0700294 return 0;
295}
296
Simon Glass7edd07d2015-11-28 22:16:35 -0700297static int initr_bootstage(void)
298{
Simon Glass7edd07d2015-11-28 22:16:35 -0700299 bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
300
301 return 0;
302}
303
Simon Glassdb397fa2013-03-11 14:30:37 +0000304__weak int power_init_board(void)
305{
306 return 0;
307}
308
309static int initr_announce(void)
310{
Masahiro Yamadad1589242013-05-27 00:37:30 +0000311 debug("Now running in RAM - U-Boot at: %08lx\n", gd->relocaddr);
Simon Glassdb397fa2013-03-11 14:30:37 +0000312 return 0;
313}
314
Andreas Bießmann9e4f3962015-01-20 00:29:05 +0100315#ifdef CONFIG_NEEDS_MANUAL_RELOC
316static int initr_manual_reloc_cmdtable(void)
317{
Simon Glassed38aef2020-05-10 11:40:03 -0600318 fixup_cmdtable(ll_entry_start(struct cmd_tbl, cmd),
319 ll_entry_count(struct cmd_tbl, cmd));
Andreas Bießmann9e4f3962015-01-20 00:29:05 +0100320 return 0;
321}
322#endif
323
Simon Glassdd7fb9b2019-12-06 21:41:34 -0700324static int initr_binman(void)
325{
326 if (!CONFIG_IS_ENABLED(BINMAN_FDT))
327 return 0;
328
329 return binman_init();
330}
331
Masahiro Yamada8cea9b52017-02-11 22:43:54 +0900332#if defined(CONFIG_MTD_NOR_FLASH)
Pankit Gargd766ddd2020-04-30 15:54:05 +0530333__weak int is_flash_available(void)
334{
335 return 1;
336}
337
Simon Glassdb397fa2013-03-11 14:30:37 +0000338static int initr_flash(void)
339{
Simon Glass5af29bd2013-03-14 07:20:12 +0000340 ulong flash_size = 0;
Masahiro Yamadaf7ed78b2020-06-26 15:13:33 +0900341 struct bd_info *bd = gd->bd;
Simon Glassdb397fa2013-03-11 14:30:37 +0000342
Pankit Gargd766ddd2020-04-30 15:54:05 +0530343 if (!is_flash_available())
344 return 0;
345
Simon Glassdb397fa2013-03-11 14:30:37 +0000346 puts("Flash: ");
347
Masahiro Yamadaeb0e02b2014-12-05 12:20:58 +0900348 if (board_flash_wp_on())
Simon Glass5af29bd2013-03-14 07:20:12 +0000349 printf("Uninitialized - Write Protect On\n");
Masahiro Yamadaeb0e02b2014-12-05 12:20:58 +0900350 else
Simon Glass5af29bd2013-03-14 07:20:12 +0000351 flash_size = flash_init();
Masahiro Yamadaeb0e02b2014-12-05 12:20:58 +0900352
Simon Glassdb397fa2013-03-11 14:30:37 +0000353 print_size(flash_size, "");
354#ifdef CONFIG_SYS_FLASH_CHECKSUM
355 /*
Mario Sixee9b75b2018-01-15 11:10:30 +0100356 * Compute and print flash CRC if flashchecksum is set to 'y'
357 *
358 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
359 */
Simon Glass22c34c22017-08-03 12:22:13 -0600360 if (env_get_yesno("flashchecksum") == 1) {
Mario Sixee9b75b2018-01-15 11:10:30 +0100361 const uchar *flash_base = (const uchar *)CONFIG_SYS_FLASH_BASE;
362
Simon Glassdb397fa2013-03-11 14:30:37 +0000363 printf(" CRC: %08X", crc32(0,
Mario Sixee9b75b2018-01-15 11:10:30 +0100364 flash_base,
365 flash_size));
Simon Glassdb397fa2013-03-11 14:30:37 +0000366 }
367#endif /* CONFIG_SYS_FLASH_CHECKSUM */
368 putc('\n');
369
Simon Glass5af29bd2013-03-14 07:20:12 +0000370 /* update start of FLASH memory */
371#ifdef CONFIG_SYS_FLASH_BASE
372 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
373#endif
374 /* size of FLASH memory (final value) */
375 bd->bi_flashsize = flash_size;
376
377#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
378 /* Make a update of the Memctrl. */
379 update_flash_size(flash_size);
380#endif
381
Simon Glass5af29bd2013-03-14 07:20:12 +0000382#if defined(CONFIG_OXC) || defined(CONFIG_RMU)
383 /* flash mapped at end of memory map */
384 bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
385#elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
386 bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */
387#endif
388 return 0;
389}
390#endif
391
Simon Glassdb397fa2013-03-11 14:30:37 +0000392#ifdef CONFIG_CMD_NAND
393/* go init the NAND */
Jeroen Hofsteed9e87622014-10-08 22:57:32 +0200394static int initr_nand(void)
Simon Glassdb397fa2013-03-11 14:30:37 +0000395{
396 puts("NAND: ");
397 nand_init();
Hou Zhiqiang9c8b3c72017-03-17 16:12:31 +0800398 printf("%lu MiB\n", nand_size() / 1024);
Simon Glassdb397fa2013-03-11 14:30:37 +0000399 return 0;
400}
401#endif
402
403#if defined(CONFIG_CMD_ONENAND)
404/* go init the NAND */
Jeroen Hofsteed9e87622014-10-08 22:57:32 +0200405static int initr_onenand(void)
Simon Glassdb397fa2013-03-11 14:30:37 +0000406{
407 puts("NAND: ");
408 onenand_init();
409 return 0;
410}
411#endif
412
Masahiro Yamada0a780172017-05-09 20:31:39 +0900413#ifdef CONFIG_MMC
Jeroen Hofsteed9e87622014-10-08 22:57:32 +0200414static int initr_mmc(void)
Simon Glassdb397fa2013-03-11 14:30:37 +0000415{
416 puts("MMC: ");
417 mmc_initialize(gd->bd);
418 return 0;
419}
420#endif
421
Anastasiia Lukianenko4fec7f82020-08-06 12:42:55 +0300422#ifdef CONFIG_PVBLOCK
423static int initr_pvblock(void)
424{
425 puts("PVBLOCK: ");
426 pvblock_init();
427 return 0;
428}
429#endif
430
Simon Glassdb397fa2013-03-11 14:30:37 +0000431/*
432 * Tell if it's OK to load the environment early in boot.
433 *
Masahiro Yamadab970a892016-02-05 20:49:39 +0900434 * If CONFIG_OF_CONTROL is defined, we'll check with the FDT to see
Simon Glassdb397fa2013-03-11 14:30:37 +0000435 * if this is OK (defaulting to saying it's OK).
436 *
437 * NOTE: Loading the environment early can be a bad idea if security is
438 * important, since no verification is done on the environment.
439 *
440 * @return 0 if environment should not be loaded, !=0 if it is ok to load
441 */
442static int should_load_env(void)
443{
Ovidiu Panaitd7145f22020-05-06 20:38:43 +0300444 if (IS_ENABLED(CONFIG_OF_CONTROL))
445 return fdtdec_get_config_int(gd->fdt_blob,
446 "load-environment", 1);
447
448 if (IS_ENABLED(CONFIG_DELAY_ENVIRONMENT))
449 return 0;
450
Simon Glassdb397fa2013-03-11 14:30:37 +0000451 return 1;
Simon Glassdb397fa2013-03-11 14:30:37 +0000452}
453
454static int initr_env(void)
455{
456 /* initialize environment */
457 if (should_load_env())
458 env_relocate();
459 else
Simon Glass97385862019-08-01 09:47:00 -0600460 env_set_default(NULL, 0);
Ovidiu Panaitd7145f22020-05-06 20:38:43 +0300461
Rasmus Villemoescf8e5432021-04-21 11:06:54 +0200462 env_import_fdt();
463
Ovidiu Panaitd7145f22020-05-06 20:38:43 +0300464 if (IS_ENABLED(CONFIG_OF_CONTROL))
465 env_set_hex("fdtcontroladdr",
466 (unsigned long)map_to_sysmem(gd->fdt_blob));
Simon Glassdb397fa2013-03-11 14:30:37 +0000467
468 /* Initialize from environment */
Simon Glass892265d2019-12-28 10:45:02 -0700469 image_load_addr = env_get_ulong("loadaddr", 16, image_load_addr);
Simon Glass5af29bd2013-03-14 07:20:12 +0000470
Simon Glass5af29bd2013-03-14 07:20:12 +0000471 return 0;
472}
473
Andreas Bießmann111bbf52015-02-06 23:06:47 +0100474#ifdef CONFIG_SYS_BOOTPARAMS_LEN
475static int initr_malloc_bootparams(void)
476{
477 gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN);
478 if (!gd->bd->bi_boot_params) {
479 puts("WARNING: Cannot allocate space for boot parameters\n");
480 return -ENOMEM;
481 }
482 return 0;
483}
484#endif
485
Simon Glassdb397fa2013-03-11 14:30:37 +0000486#ifdef CONFIG_CMD_NET
487static int initr_ethaddr(void)
488{
Masahiro Yamadaf7ed78b2020-06-26 15:13:33 +0900489 struct bd_info *bd = gd->bd;
Simon Glass5af29bd2013-03-14 07:20:12 +0000490
491 /* kept around for legacy kernels only ... ignore the next section */
Simon Glass399a9ce2017-08-03 12:22:14 -0600492 eth_env_get_enetaddr("ethaddr", bd->bi_enetaddr);
Simon Glassf7cc66e2020-05-10 14:16:51 -0600493
Simon Glass5af29bd2013-03-14 07:20:12 +0000494 return 0;
495}
496#endif /* CONFIG_CMD_NET */
497
498#ifdef CONFIG_CMD_KGDB
499static int initr_kgdb(void)
500{
501 puts("KGDB: ");
502 kgdb_init();
503 return 0;
504}
505#endif
506
Uri Mashiach4892d392017-01-19 10:51:45 +0200507#if defined(CONFIG_LED_STATUS)
Simon Glass5af29bd2013-03-14 07:20:12 +0000508static int initr_status_led(void)
509{
Uri Mashiach4892d392017-01-19 10:51:45 +0200510#if defined(CONFIG_LED_STATUS_BOOT)
511 status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_BLINKING);
Bernhard Nortmannc5dcb4a2015-08-21 15:13:21 +0200512#else
513 status_led_init();
514#endif
Simon Glass5af29bd2013-03-14 07:20:12 +0000515 return 0;
516}
517#endif
518
Michal Simekc886f352016-09-08 15:06:45 +0200519#if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI)
Simon Glass5af29bd2013-03-14 07:20:12 +0000520static int initr_scsi(void)
521{
Simon Glass5af29bd2013-03-14 07:20:12 +0000522 puts("SCSI: ");
523 scsi_init();
Heinrich Schuchardt34cef302018-06-15 07:01:26 +0200524 puts("\n");
Simon Glassdb397fa2013-03-11 14:30:37 +0000525
526 return 0;
527}
Ian Campbell63d424b2014-07-21 19:23:18 +0100528#endif
Simon Glassdb397fa2013-03-11 14:30:37 +0000529
Simon Glassdb397fa2013-03-11 14:30:37 +0000530#ifdef CONFIG_CMD_NET
531static int initr_net(void)
532{
533 puts("Net: ");
Joe Hershberger3dbe17e2015-03-22 17:09:06 -0500534 eth_initialize();
Simon Glassdb397fa2013-03-11 14:30:37 +0000535#if defined(CONFIG_RESET_PHY_R)
536 debug("Reset Ethernet PHY\n");
537 reset_phy();
538#endif
539 return 0;
540}
541#endif
542
543#ifdef CONFIG_POST
544static int initr_post(void)
545{
546 post_run(NULL, POST_RAM | post_bootmode_get(0));
547 return 0;
548}
549#endif
550
Bin Mengf05614e2018-06-17 05:57:50 -0700551#if defined(CONFIG_IDE) && !defined(CONFIG_BLK)
Simon Glass5af29bd2013-03-14 07:20:12 +0000552static int initr_ide(void)
553{
Simon Glass5af29bd2013-03-14 07:20:12 +0000554 puts("IDE: ");
Simon Glass5af29bd2013-03-14 07:20:12 +0000555#if defined(CONFIG_START_IDE)
556 if (board_start_ide())
557 ide_init();
558#else
559 ide_init();
560#endif
561 return 0;
562}
563#endif
564
Simon Glass49badb92017-12-04 13:48:23 -0700565#if defined(CONFIG_PRAM)
Simon Glassdb397fa2013-03-11 14:30:37 +0000566/*
567 * Export available size of memory for Linux, taking into account the
568 * protected RAM at top of memory
569 */
570int initr_mem(void)
571{
572 ulong pram = 0;
573 char memsz[32];
574
Simon Glass22c34c22017-08-03 12:22:13 -0600575 pram = env_get_ulong("pram", 10, CONFIG_PRAM);
Mario Sixee9b75b2018-01-15 11:10:30 +0100576 sprintf(memsz, "%ldk", (long int)((gd->ram_size / 1024) - pram));
Simon Glass6a38e412017-08-03 12:22:09 -0600577 env_set("mem", memsz);
Simon Glass5af29bd2013-03-14 07:20:12 +0000578
579 return 0;
Simon Glassdb397fa2013-03-11 14:30:37 +0000580}
581#endif
582
583static int run_main_loop(void)
584{
Simon Glass62cf9122013-04-26 02:53:43 +0000585#ifdef CONFIG_SANDBOX
586 sandbox_main_loop_init();
587#endif
Simon Glassdb397fa2013-03-11 14:30:37 +0000588 /* main_loop() can return to retry autoboot, if so just run it again */
589 for (;;)
590 main_loop();
591 return 0;
592}
593
594/*
Alexander Graff204f012019-01-31 16:06:23 +0100595 * We hope to remove most of the driver-related init and do it if/when
Simon Glassdb397fa2013-03-11 14:30:37 +0000596 * the driver is later used.
Simon Glass5af29bd2013-03-14 07:20:12 +0000597 *
598 * TODO: perhaps reset the watchdog in the initcall function after each call?
Simon Glassdb397fa2013-03-11 14:30:37 +0000599 */
Simon Glass2031fad2017-01-16 07:03:50 -0700600static init_fnc_t init_sequence_r[] = {
Simon Glass209a1a62013-06-11 11:14:42 -0700601 initr_trace,
Simon Glassdb397fa2013-03-11 14:30:37 +0000602 initr_reloc,
Simon Glass5af29bd2013-03-14 07:20:12 +0000603 /* TODO: could x86/PPC have this also perhaps? */
Simon Glassdb397fa2013-03-11 14:30:37 +0000604#ifdef CONFIG_ARM
605 initr_caches,
York Sun820a18f2015-03-20 19:28:11 -0700606 /* Note: For Freescale LS2 SoCs, new MMU table is created in DDR.
607 * A temporary mapping of IFC high region is since removed,
Mario Sixee9b75b2018-01-15 11:10:30 +0100608 * so environmental variables in NOR flash is not available
York Sun820a18f2015-03-20 19:28:11 -0700609 * until board_init() is called below to remap IFC to high
610 * region.
611 */
Simon Glass712da5e2014-09-03 17:37:01 -0600612#endif
613 initr_reloc_global_data,
York Sun6e78b3b2014-10-02 15:20:10 -0700614#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
615 initr_unlock_ram_in_cache,
616#endif
Simon Glass712da5e2014-09-03 17:37:01 -0600617 initr_barrier,
618 initr_malloc,
Simon Glass55e32ba2017-12-04 13:48:28 -0700619 log_init,
Simon Glasse635af12017-05-22 05:05:31 -0600620 initr_bootstage, /* Needs malloc() but has its own timer */
Ovidiu Panaite83322f2020-11-28 10:43:08 +0200621#if defined(CONFIG_CONSOLE_RECORD)
622 console_record_init,
623#endif
Jan Kiszkaa714a6b92015-03-09 07:47:18 +0100624#ifdef CONFIG_SYS_NONCACHED_MEMORY
Ovidiu Panait1c45ed92020-11-28 10:43:13 +0200625 noncached_init,
Jan Kiszkaa714a6b92015-03-09 07:47:18 +0100626#endif
Simon Glass46e09772017-05-18 20:08:56 -0600627 initr_of_live,
Simon Glass712da5e2014-09-03 17:37:01 -0600628#ifdef CONFIG_DM
629 initr_dm,
630#endif
Bin Meng276375c2021-02-25 17:22:38 +0800631#ifdef CONFIG_ADDR_MAP
632 initr_addr_map,
633#endif
Patrick Delaunay29bf6032018-07-27 16:37:09 +0200634#if defined(CONFIG_ARM) || defined(CONFIG_NDS32) || defined(CONFIG_RISCV) || \
635 defined(CONFIG_SANDBOX)
Simon Glassdb397fa2013-03-11 14:30:37 +0000636 board_init, /* Setup chipselects */
637#endif
Simon Glass5af29bd2013-03-14 07:20:12 +0000638 /*
639 * TODO: printing of the clock inforamtion of the board is now
640 * implemented as part of bdinfo command. Currently only support for
641 * davinci SOC's is added. Remove this check once all the board
642 * implement this.
643 */
644#ifdef CONFIG_CLOCKS
645 set_cpu_clk_info, /* Setup clock information */
646#endif
Alexander Graf8623f922016-03-04 01:10:04 +0100647#ifdef CONFIG_EFI_LOADER
648 efi_memory_init,
649#endif
Simon Glassdd7fb9b2019-12-06 21:41:34 -0700650 initr_binman,
Simon Glass564a4a02019-12-06 21:42:20 -0700651#ifdef CONFIG_FSP_VERSION2
652 arch_fsp_init_r,
653#endif
Simon Glass3199afb2019-12-06 21:41:46 -0700654 initr_dm_devices,
Simon Glass712da5e2014-09-03 17:37:01 -0600655 stdio_init_tables,
Ovidiu Panaitbfcd5c52020-07-24 14:12:23 +0300656 serial_initialize,
Simon Glassdb397fa2013-03-11 14:30:37 +0000657 initr_announce,
Marek Vasut55ec91b2019-06-09 03:46:21 +0200658#if CONFIG_IS_ENABLED(WDT)
developere49871c2019-05-16 17:19:13 +0800659 initr_watchdog,
660#endif
Simon Glass5af29bd2013-03-14 07:20:12 +0000661 INIT_FUNC_WATCHDOG_RESET
Ovidiu Panait97dd43f2020-07-24 14:12:25 +0300662#if defined(CONFIG_NEEDS_MANUAL_RELOC) && defined(CONFIG_BLOCK_CACHE)
663 blkcache_init,
664#endif
Andreas Bießmann9e4f3962015-01-20 00:29:05 +0100665#ifdef CONFIG_NEEDS_MANUAL_RELOC
666 initr_manual_reloc_cmdtable,
667#endif
Ovidiu Panait2c823912020-11-28 10:43:18 +0200668 arch_initr_trap,
Simon Glass5af29bd2013-03-14 07:20:12 +0000669#if defined(CONFIG_BOARD_EARLY_INIT_R)
670 board_early_init_r,
671#endif
672 INIT_FUNC_WATCHDOG_RESET
Simon Glassdb397fa2013-03-11 14:30:37 +0000673#ifdef CONFIG_POST
Ovidiu Panaitdc8b6242020-11-28 10:43:10 +0200674 post_output_backlog,
Simon Glassdb397fa2013-03-11 14:30:37 +0000675#endif
Simon Glass5af29bd2013-03-14 07:20:12 +0000676 INIT_FUNC_WATCHDOG_RESET
Ovidiu Panaite353edb2020-11-28 10:43:12 +0200677#if defined(CONFIG_PCI_INIT_R) && defined(CONFIG_SYS_EARLY_PCI_INIT)
Simon Glass5af29bd2013-03-14 07:20:12 +0000678 /*
679 * Do early PCI configuration _before_ the flash gets initialised,
Mario Sixee9b75b2018-01-15 11:10:30 +0100680 * because PCU resources are crucial for flash access on some boards.
Simon Glass5af29bd2013-03-14 07:20:12 +0000681 */
Ovidiu Panaite353edb2020-11-28 10:43:12 +0200682 pci_init,
Simon Glass5af29bd2013-03-14 07:20:12 +0000683#endif
Simon Glassdb397fa2013-03-11 14:30:37 +0000684#ifdef CONFIG_ARCH_EARLY_INIT_R
685 arch_early_init_r,
686#endif
687 power_init_board,
Masahiro Yamada8cea9b52017-02-11 22:43:54 +0900688#ifdef CONFIG_MTD_NOR_FLASH
Simon Glassdb397fa2013-03-11 14:30:37 +0000689 initr_flash,
690#endif
Simon Glass5af29bd2013-03-14 07:20:12 +0000691 INIT_FUNC_WATCHDOG_RESET
Tom Rinifef2bd12017-03-14 11:08:11 -0400692#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86)
Simon Glass5af29bd2013-03-14 07:20:12 +0000693 /* initialize higher level parts of CPU like time base and timers */
694 cpu_init_r,
Simon Glass6f5567d2013-03-05 14:39:53 +0000695#endif
Simon Glassdb397fa2013-03-11 14:30:37 +0000696#ifdef CONFIG_CMD_NAND
697 initr_nand,
698#endif
699#ifdef CONFIG_CMD_ONENAND
700 initr_onenand,
701#endif
Masahiro Yamada0a780172017-05-09 20:31:39 +0900702#ifdef CONFIG_MMC
Simon Glassdb397fa2013-03-11 14:30:37 +0000703 initr_mmc,
704#endif
Oleksandr Andrushchenko2280d332020-08-06 12:42:48 +0300705#ifdef CONFIG_XEN
Ovidiu Panaitb5738e62020-11-28 10:43:14 +0200706 xen_init,
Oleksandr Andrushchenko2280d332020-08-06 12:42:48 +0300707#endif
Anastasiia Lukianenko4fec7f82020-08-06 12:42:55 +0300708#ifdef CONFIG_PVBLOCK
709 initr_pvblock,
710#endif
Simon Glassdb397fa2013-03-11 14:30:37 +0000711 initr_env,
Andreas Bießmann111bbf52015-02-06 23:06:47 +0100712#ifdef CONFIG_SYS_BOOTPARAMS_LEN
713 initr_malloc_bootparams,
714#endif
Simon Glass5af29bd2013-03-14 07:20:12 +0000715 INIT_FUNC_WATCHDOG_RESET
Ovidiu Panaitc14c0f92020-11-28 10:43:09 +0200716 cpu_secondary_init_r,
Simon Glass5af29bd2013-03-14 07:20:12 +0000717#if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET)
718 mac_read_from_eeprom,
719#endif
720 INIT_FUNC_WATCHDOG_RESET
Ovidiu Panaite353edb2020-11-28 10:43:12 +0200721#if defined(CONFIG_PCI_INIT_R) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
Simon Glass5af29bd2013-03-14 07:20:12 +0000722 /*
723 * Do pci configuration
724 */
Ovidiu Panaite353edb2020-11-28 10:43:12 +0200725 pci_init,
Simon Glass5af29bd2013-03-14 07:20:12 +0000726#endif
Simon Glass712da5e2014-09-03 17:37:01 -0600727 stdio_add_devices,
Ovidiu Panait036f0f12020-11-28 10:43:15 +0200728 jumptable_init,
Simon Glassdb397fa2013-03-11 14:30:37 +0000729#ifdef CONFIG_API
Ovidiu Panait4119ea432020-11-28 10:43:16 +0200730 api_init,
Simon Glassdb397fa2013-03-11 14:30:37 +0000731#endif
732 console_init_r, /* fully init console as a device */
733#ifdef CONFIG_DISPLAY_BOARDINFO_LATE
Simon Glassc9c5c9f2017-06-15 21:37:50 -0600734 console_announce_r,
Masahiro Yamada9607f7a2015-01-14 17:07:05 +0900735 show_board_info,
Simon Glassdb397fa2013-03-11 14:30:37 +0000736#endif
737#ifdef CONFIG_ARCH_MISC_INIT
738 arch_misc_init, /* miscellaneous arch-dependent init */
739#endif
740#ifdef CONFIG_MISC_INIT_R
741 misc_init_r, /* miscellaneous platform-dependent init */
742#endif
Simon Glass5af29bd2013-03-14 07:20:12 +0000743 INIT_FUNC_WATCHDOG_RESET
744#ifdef CONFIG_CMD_KGDB
745 initr_kgdb,
746#endif
Simon Glassdb397fa2013-03-11 14:30:37 +0000747 interrupt_init,
Andy Shevchenko8cb5cdd2017-07-05 16:25:22 +0300748#if defined(CONFIG_MICROBLAZE) || defined(CONFIG_M68K)
Simon Glass6f5567d2013-03-05 14:39:53 +0000749 timer_init, /* initialize timer */
750#endif
Uri Mashiach4892d392017-01-19 10:51:45 +0200751#if defined(CONFIG_LED_STATUS)
Simon Glass5af29bd2013-03-14 07:20:12 +0000752 initr_status_led,
753#endif
754 /* PPC has a udelay(20) here dating from 2002. Why? */
Simon Glassdb397fa2013-03-11 14:30:37 +0000755#ifdef CONFIG_CMD_NET
756 initr_ethaddr,
757#endif
Heiko Schocher58e4c382019-07-17 06:59:51 +0200758#if defined(CONFIG_GPIO_HOG)
Heiko Schocher39cb3402019-06-12 06:11:46 +0200759 gpio_hog_probe_all,
760#endif
Simon Glassdb397fa2013-03-11 14:30:37 +0000761#ifdef CONFIG_BOARD_LATE_INIT
762 board_late_init,
763#endif
Michal Simekc886f352016-09-08 15:06:45 +0200764#if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI)
Simon Glass5af29bd2013-03-14 07:20:12 +0000765 INIT_FUNC_WATCHDOG_RESET
766 initr_scsi,
767#endif
Simon Glassdb397fa2013-03-11 14:30:37 +0000768#ifdef CONFIG_BITBANGMII
Ovidiu Panait69d1ddb2020-11-28 10:43:17 +0200769 bb_miiphy_init,
Simon Glassdb397fa2013-03-11 14:30:37 +0000770#endif
Xiaowei Bao97434b42020-07-09 23:31:34 +0800771#ifdef CONFIG_PCI_ENDPOINT
Ovidiu Panaita45c6e12020-11-28 10:43:11 +0200772 pci_ep_init,
Xiaowei Bao97434b42020-07-09 23:31:34 +0800773#endif
Simon Glassdb397fa2013-03-11 14:30:37 +0000774#ifdef CONFIG_CMD_NET
Simon Glass5af29bd2013-03-14 07:20:12 +0000775 INIT_FUNC_WATCHDOG_RESET
Simon Glassdb397fa2013-03-11 14:30:37 +0000776 initr_net,
777#endif
778#ifdef CONFIG_POST
779 initr_post,
780#endif
Bin Mengf05614e2018-06-17 05:57:50 -0700781#if defined(CONFIG_IDE) && !defined(CONFIG_BLK)
Simon Glass5af29bd2013-03-14 07:20:12 +0000782 initr_ide,
783#endif
784#ifdef CONFIG_LAST_STAGE_INIT
785 INIT_FUNC_WATCHDOG_RESET
786 /*
787 * Some parts can be only initialized if all others (like
788 * Interrupts) are up and running (i.e. the PC-style ISA
789 * keyboard).
790 */
791 last_stage_init,
792#endif
793#ifdef CONFIG_CMD_BEDBUG
794 INIT_FUNC_WATCHDOG_RESET
Ovidiu Panait8637bec2020-04-20 10:31:46 +0300795 bedbug_init,
Simon Glass5af29bd2013-03-14 07:20:12 +0000796#endif
Simon Glass49badb92017-12-04 13:48:23 -0700797#if defined(CONFIG_PRAM)
Simon Glass5af29bd2013-03-14 07:20:12 +0000798 initr_mem,
799#endif
AKASHI Takahiro87942ac2020-10-29 13:47:45 +0900800#ifdef CONFIG_EFI_SETUP_EARLY
801 (init_fnc_t)efi_init_obj_list,
802#endif
Simon Glassdb397fa2013-03-11 14:30:37 +0000803 run_main_loop,
804};
805
806void board_init_r(gd_t *new_gd, ulong dest_addr)
807{
Simon Glass96c867d2017-01-16 07:03:51 -0700808 /*
809 * Set up the new global data pointer. So far only x86 does this
810 * here.
811 * TODO(sjg@chromium.org): Consider doing this for all archs, or
812 * dropping the new_gd parameter.
813 */
814#if CONFIG_IS_ENABLED(X86_64)
815 arch_setup_gd(new_gd);
816#endif
817
Alexey Brodkin3f0516f2014-01-20 14:30:39 +0400818#ifdef CONFIG_NEEDS_MANUAL_RELOC
819 int i;
820#endif
821
Jeroen Hofstee498f97f2014-07-30 21:54:49 +0200822#if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
Simon Glassdb397fa2013-03-11 14:30:37 +0000823 gd = new_gd;
Simon Glass6f5567d2013-03-05 14:39:53 +0000824#endif
Simon Glass55e32ba2017-12-04 13:48:28 -0700825 gd->flags &= ~GD_FLG_LOG_READY;
Alexey Brodkin3f0516f2014-01-20 14:30:39 +0400826
827#ifdef CONFIG_NEEDS_MANUAL_RELOC
828 for (i = 0; i < ARRAY_SIZE(init_sequence_r); i++)
829 init_sequence_r[i] += gd->reloc_off;
830#endif
831
Simon Glassdb397fa2013-03-11 14:30:37 +0000832 if (initcall_run_list(init_sequence_r))
833 hang();
834
835 /* NOTREACHED - run_main_loop() does not return */
836 hang();
837}