blob: da0b80f24ff07b6ae767704df2a64505edc457a8 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Simon Glass6f6430d2013-03-11 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 Glass6f6430d2013-03-11 14:30:37 +000010 */
11
12#include <common.h>
Simon Glass12d738a2017-05-17 08:22:40 -060013#include <api.h>
Simon Glass52f24232020-05-10 11:40:00 -060014#include <bootstage.h>
Simon Glass1eb69ae2019-11-14 12:57:39 -070015#include <cpu_func.h>
Stefan Roese70545642022-09-02 13:57:50 +020016#include <cyclic.h>
Simon Glass4e4bf942022-07-31 12:28:48 -060017#include <display_options.h>
Simon Glassa6f2aaf2019-12-28 10:44:46 -070018#include <exports.h>
Tom Rini17ead042022-07-23 13:05:03 -040019#ifdef CONFIG_MTD_NOR_FLASH
Simon Glassb79fdc72020-05-10 11:39:54 -060020#include <flash.h>
Tom Rini17ead042022-07-23 13:05:03 -040021#endif
Simon Glassdb41d652019-12-28 10:45:07 -070022#include <hang.h>
Simon Glass8e8ccfe2019-12-28 10:45:03 -070023#include <image.h>
Simon Glass36bf4462019-11-14 12:57:42 -070024#include <irq_func.h>
Simon Glassf7ae49f2020-05-10 11:40:05 -060025#include <log.h>
Simon Glass5e6267a2019-12-28 10:44:48 -070026#include <net.h>
Simon Glass90526e92020-05-10 11:39:56 -060027#include <asm/cache.h>
Simon Glass401d1c42020-10-30 21:38:53 -060028#include <asm/global_data.h>
Simon Glass3db71102019-11-14 12:57:16 -070029#include <u-boot/crc.h>
Simon Glass3c10dc92019-12-06 21:41:34 -070030#include <binman.h>
Tom Rinicbb2df22015-12-07 08:23:29 -050031#include <command.h>
Simon Glass24b852a2015-11-08 23:47:45 -070032#include <console.h>
Simon Glass1ce60172014-02-26 15:59:20 -070033#include <dm.h>
Simon Glass3f989e7b2019-08-01 09:46:44 -060034#include <env.h>
Simon Glassf3998fd2019-08-02 09:44:25 -060035#include <env_internal.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000036#include <fdtdec.h>
Simon Glassc2240d42013-03-14 07:20:12 +000037#include <ide.h>
Simon Glass6b8d3ce2019-12-28 10:44:39 -070038#include <init.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000039#include <initcall.h>
Simon Glassc2240d42013-03-14 07:20:12 +000040#include <kgdb.h>
Simon Glassc30b7ad2019-11-14 12:57:41 -070041#include <irq_func.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000042#include <malloc.h>
Joe Hershberger0eb25b62015-03-22 17:08:59 -050043#include <mapmem.h>
Simon Glassc2240d42013-03-14 07:20:12 +000044#include <miiphy.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000045#include <mmc.h>
Jean-Jacques Hiblot90a979d2020-10-16 16:16:31 +053046#include <mux.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000047#include <nand.h>
Simon Glass3af86a42017-05-18 20:08:56 -060048#include <of_live.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000049#include <onenand_uboot.h>
Anastasiia Lukianenko722bc5b2020-08-06 12:42:55 +030050#include <pvblock.h>
Simon Glassc2240d42013-03-14 07:20:12 +000051#include <scsi.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000052#include <serial.h>
Simon Glassc3e44302019-11-14 12:57:11 -070053#include <status_led.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000054#include <stdio_dev.h>
Simon Glass1057e6c2016-02-24 09:14:50 -070055#include <timer.h>
Simon Glass71c52db2013-06-11 11:14:42 -070056#include <trace.h>
Simon Glassc2240d42013-03-14 07:20:12 +000057#include <watchdog.h>
Oleksandr Andrushchenko48654412020-08-06 12:42:48 +030058#include <xen.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000059#include <asm/sections.h>
Simon Glass1ce60172014-02-26 15:59:20 -070060#include <dm/root.h>
Simon Glass7de8bd02021-08-07 07:24:01 -060061#include <dm/ofnode.h>
Simon Glassc2240d42013-03-14 07:20:12 +000062#include <linux/compiler.h>
Simon Glass1ce60172014-02-26 15:59:20 -070063#include <linux/err.h>
Alexander Graf50149ea2016-03-04 01:10:01 +010064#include <efi_loader.h>
Stefan Roese06985282019-04-11 15:58:44 +020065#include <wdt.h>
Ovidiu Panaitfd765b02022-01-01 19:13:30 +020066#include <asm-generic/gpio.h>
AKASHI Takahiroc57c9432020-10-29 13:47:45 +090067#include <efi_loader.h>
Ovidiu Panait13ae36c2022-05-02 18:34:56 +030068#include <relocate.h>
Simon Glass6f6430d2013-03-11 14:30:37 +000069
70DECLARE_GLOBAL_DATA_PTR;
71
72ulong monitor_flash_len;
73
Jeroen Hofsteedd2a6cd2014-10-08 22:57:22 +020074__weak int board_flash_wp_on(void)
Simon Glassc2240d42013-03-14 07:20:12 +000075{
76 /*
77 * Most flashes can't be detected when write protection is enabled,
78 * so provide a way to let U-Boot gracefully ignore write protected
79 * devices.
80 */
81 return 0;
82}
83
Ovidiu Panaitfb504b22020-11-28 10:43:09 +020084__weak int cpu_secondary_init_r(void)
Simon Glassc2240d42013-03-14 07:20:12 +000085{
Simon Glassc2240d42013-03-14 07:20:12 +000086 return 0;
87}
Simon Glass6f6430d2013-03-11 14:30:37 +000088
Simon Glass71c52db2013-06-11 11:14:42 -070089static int initr_trace(void)
90{
91#ifdef CONFIG_TRACE
92 trace_init(gd->trace_buff, CONFIG_TRACE_BUFFER_SIZE);
93#endif
94
95 return 0;
96}
97
Simon Glass6f6430d2013-03-11 14:30:37 +000098static int initr_reloc(void)
99{
Simon Glassc9356be2014-11-10 17:16:43 -0700100 /* tell others: relocation done */
101 gd->flags |= GD_FLG_RELOC | GD_FLG_FULL_MALLOC_INIT;
Simon Glass6f6430d2013-03-11 14:30:37 +0000102
103 return 0;
104}
105
Zong Li4d4222d2021-09-01 15:01:40 +0800106#if defined(CONFIG_ARM) || defined(CONFIG_RISCV)
Simon Glass6f6430d2013-03-11 14:30:37 +0000107/*
108 * Some of these functions are needed purely because the functions they
109 * call return void. If we change them to return 0, these stubs can go away.
110 */
111static int initr_caches(void)
112{
113 /* Enable caches */
114 enable_caches();
115 return 0;
116}
117#endif
118
Simon Glassc2240d42013-03-14 07:20:12 +0000119__weak int fixup_cpu(void)
120{
121 return 0;
122}
123
Simon Glass6f6430d2013-03-11 14:30:37 +0000124static int initr_reloc_global_data(void)
125{
Albert ARIBAUDb60eff32014-02-22 17:53:43 +0100126#ifdef __ARM__
127 monitor_flash_len = _end - __image_copy_start;
Tom Rini11232132022-04-06 09:21:25 -0400128#elif defined(CONFIG_RISCV)
Shiji Yangccea96f2023-08-03 09:47:17 +0800129 monitor_flash_len = (ulong)_end - (ulong)_start;
Thomas Chou5ff10aa2014-08-22 11:36:47 +0800130#elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2)
Shiji Yangccea96f2023-08-03 09:47:17 +0800131 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
Tom Rini8d8ee472019-11-12 22:46:36 -0500147#ifdef CONFIG_SYS_RELOC_GD_ENV_ADDR
Simon Glassc2240d42013-03-14 07:20:12 +0000148 /*
Simon Goldschmidt6c6add62018-09-27 12:38:34 +0200149 * Relocate the early env_addr pointer unless we know it is not inside
150 * the binary. Some systems need this and for the rest, it doesn't hurt.
Simon Glassc2240d42013-03-14 07:20:12 +0000151 */
Simon Goldschmidt6c6add62018-09-27 12:38:34 +0200152 gd->env_addr += gd->reloc_off;
Simon Glassc2240d42013-03-14 07:20:12 +0000153#endif
Alexander Graf50149ea2016-03-04 01:10:01 +0100154#ifdef CONFIG_EFI_LOADER
Heinrich Schuchardte7ac0092019-04-10 00:32:07 +0200155 /*
156 * On the ARM architecture gd is mapped to a fixed register (r9 or x18).
157 * As this register may be overwritten by an EFI payload we save it here
158 * and restore it on every callback entered.
159 */
160 efi_save_gd();
161
Alexander Graf50149ea2016-03-04 01:10:01 +0100162 efi_runtime_relocate(gd->relocaddr, NULL);
163#endif
Siva Durga Prasad Paladugue9acb9e2015-12-03 15:46:03 +0100164
Simon Glassc2240d42013-03-14 07:20:12 +0000165 return 0;
Simon Glass6f6430d2013-03-11 14:30:37 +0000166}
167
Ovidiu Panait130845b2020-11-28 10:43:18 +0200168__weak int arch_initr_trap(void)
Simon Glassc2240d42013-03-14 07:20:12 +0000169{
Simon Glassc2240d42013-03-14 07:20:12 +0000170 return 0;
171}
Simon Glassc2240d42013-03-14 07:20:12 +0000172
Simon Glassc2240d42013-03-14 07:20:12 +0000173#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
174static int initr_unlock_ram_in_cache(void)
175{
176 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
177 return 0;
178}
179#endif
180
Simon Glassc2240d42013-03-14 07:20:12 +0000181static int initr_barrier(void)
182{
183#ifdef CONFIG_PPC
184 /* TODO: Can we not use dmb() macros for this? */
185 asm("sync ; isync");
186#endif
187 return 0;
188}
189
Simon Glass6f6430d2013-03-11 14:30:37 +0000190static int initr_malloc(void)
191{
Simon Glass0be0f202023-07-15 21:38:53 -0600192 ulong start;
Simon Glass6f6430d2013-03-11 14:30:37 +0000193
Simon Glass3d6d5072023-09-26 08:14:27 -0600194#if CONFIG_IS_ENABLED(SYS_MALLOC_F)
Simon Glassd59476b2014-07-10 22:23:28 -0600195 debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
196 gd->malloc_ptr / 1024);
197#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000198 /* The malloc area is immediately below the monitor copy in DRAM */
Stephen Warren5e0404f2019-08-27 11:54:31 -0600199 /*
200 * This value MUST match the value of gd->start_addr_sp in board_f.c:
201 * reserve_noncached().
202 */
Simon Glass0be0f202023-07-15 21:38:53 -0600203 start = gd->relocaddr - TOTAL_MALLOC_LEN;
204 gd_set_malloc_start(start);
205 mem_malloc_init((ulong)map_sysmem(start, TOTAL_MALLOC_LEN),
Simon Glassa733b062013-04-26 02:53:43 +0000206 TOTAL_MALLOC_LEN);
Simon Glass6f6430d2013-03-11 14:30:37 +0000207 return 0;
208}
209
Simon Glass3af86a42017-05-18 20:08:56 -0600210static int initr_of_live(void)
211{
Simon Glassa652d9c2020-10-03 09:25:22 -0600212 if (CONFIG_IS_ENABLED(OF_LIVE)) {
213 int ret;
Simon Glassa132f772017-05-22 05:05:36 -0600214
Simon Glassa652d9c2020-10-03 09:25:22 -0600215 bootstage_start(BOOTSTAGE_ID_ACCUM_OF_LIVE, "of_live");
216 ret = of_live_build(gd->fdt_blob,
217 (struct device_node **)gd_of_root_ptr());
218 bootstage_accum(BOOTSTAGE_ID_ACCUM_OF_LIVE);
219 if (ret)
220 return ret;
221 }
Simon Glassa132f772017-05-22 05:05:36 -0600222
223 return 0;
Simon Glass3af86a42017-05-18 20:08:56 -0600224}
Simon Glass3af86a42017-05-18 20:08:56 -0600225
Simon Glass1ce60172014-02-26 15:59:20 -0700226#ifdef CONFIG_DM
227static int initr_dm(void)
228{
Simon Glass1057e6c2016-02-24 09:14:50 -0700229 int ret;
230
Simon Glassee88ba72022-09-06 20:27:19 -0600231 oftree_reset();
232
Simon Glassab7cd622014-07-23 06:55:04 -0600233 /* Save the pre-reloc driver model and start a new one */
234 gd->dm_root_f = gd->dm_root;
235 gd->dm_root = NULL;
Simon Glassd74d6b42016-03-11 22:06:46 -0700236#ifdef CONFIG_TIMER
237 gd->timer = NULL;
238#endif
Simon Glassb67eefd2020-05-10 11:39:59 -0600239 bootstage_start(BOOTSTAGE_ID_ACCUM_DM_R, "dm_r");
Simon Glass1057e6c2016-02-24 09:14:50 -0700240 ret = dm_init_and_scan(false);
Simon Glassb67eefd2020-05-10 11:39:59 -0600241 bootstage_accum(BOOTSTAGE_ID_ACCUM_DM_R);
Simon Glass1057e6c2016-02-24 09:14:50 -0700242 if (ret)
243 return ret;
Simon Glass1057e6c2016-02-24 09:14:50 -0700244
245 return 0;
Simon Glass1ce60172014-02-26 15:59:20 -0700246}
247#endif
248
Simon Glassdd0edcb2019-12-06 21:41:46 -0700249static int initr_dm_devices(void)
250{
251 int ret;
252
253 if (IS_ENABLED(CONFIG_TIMER_EARLY)) {
254 ret = dm_timer_init();
255 if (ret)
256 return ret;
257 }
258
Jean-Jacques Hiblot90a979d2020-10-16 16:16:31 +0530259 if (IS_ENABLED(CONFIG_MULTIPLEXER)) {
260 /*
261 * Initialize the multiplexer controls to their default state.
262 * This must be done early as other drivers may unknowingly
263 * rely on it.
264 */
265 ret = dm_mux_init();
266 if (ret)
267 return ret;
268 }
269
Simon Glassdd0edcb2019-12-06 21:41:46 -0700270 return 0;
271}
272
Simon Glass881c1242015-11-28 22:16:35 -0700273static int initr_bootstage(void)
274{
Simon Glass881c1242015-11-28 22:16:35 -0700275 bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
276
277 return 0;
278}
279
Simon Glass6f6430d2013-03-11 14:30:37 +0000280__weak int power_init_board(void)
281{
282 return 0;
283}
284
285static int initr_announce(void)
286{
Masahiro Yamadaa0ba2792013-05-27 00:37:30 +0000287 debug("Now running in RAM - U-Boot at: %08lx\n", gd->relocaddr);
Simon Glass6f6430d2013-03-11 14:30:37 +0000288 return 0;
289}
290
Simon Glass3c10dc92019-12-06 21:41:34 -0700291static int initr_binman(void)
292{
Tim Harveyc03cb022021-07-16 15:44:12 -0700293 int ret;
294
Simon Glass3c10dc92019-12-06 21:41:34 -0700295 if (!CONFIG_IS_ENABLED(BINMAN_FDT))
296 return 0;
297
Tim Harveyc03cb022021-07-16 15:44:12 -0700298 ret = binman_init();
299 if (ret)
300 printf("binman_init failed:%d\n", ret);
301
302 return ret;
Simon Glass3c10dc92019-12-06 21:41:34 -0700303}
304
Masahiro Yamadae856bdc2017-02-11 22:43:54 +0900305#if defined(CONFIG_MTD_NOR_FLASH)
Pankit Garg62d3a582020-04-30 15:54:05 +0530306__weak int is_flash_available(void)
307{
308 return 1;
309}
310
Simon Glass6f6430d2013-03-11 14:30:37 +0000311static int initr_flash(void)
312{
Simon Glassc2240d42013-03-14 07:20:12 +0000313 ulong flash_size = 0;
Masahiro Yamadab75d8dc2020-06-26 15:13:33 +0900314 struct bd_info *bd = gd->bd;
Simon Glass6f6430d2013-03-11 14:30:37 +0000315
Pankit Garg62d3a582020-04-30 15:54:05 +0530316 if (!is_flash_available())
317 return 0;
318
Simon Glass6f6430d2013-03-11 14:30:37 +0000319 puts("Flash: ");
320
Masahiro Yamada70879a92014-12-05 12:20:58 +0900321 if (board_flash_wp_on())
Simon Glassc2240d42013-03-14 07:20:12 +0000322 printf("Uninitialized - Write Protect On\n");
Masahiro Yamada70879a92014-12-05 12:20:58 +0900323 else
Simon Glassc2240d42013-03-14 07:20:12 +0000324 flash_size = flash_init();
Masahiro Yamada70879a92014-12-05 12:20:58 +0900325
Simon Glass6f6430d2013-03-11 14:30:37 +0000326 print_size(flash_size, "");
327#ifdef CONFIG_SYS_FLASH_CHECKSUM
328 /*
Mario Six92f84b62018-01-15 11:10:30 +0100329 * Compute and print flash CRC if flashchecksum is set to 'y'
330 *
Stefan Roese29caf932022-09-02 14:10:46 +0200331 * NOTE: Maybe we should add some schedule()? XXX
Mario Six92f84b62018-01-15 11:10:30 +0100332 */
Simon Glassbfebc8c2017-08-03 12:22:13 -0600333 if (env_get_yesno("flashchecksum") == 1) {
Tom Rini65cc0e22022-11-16 13:10:41 -0500334 const uchar *flash_base = (const uchar *)CFG_SYS_FLASH_BASE;
Mario Six92f84b62018-01-15 11:10:30 +0100335
Simon Glass6f6430d2013-03-11 14:30:37 +0000336 printf(" CRC: %08X", crc32(0,
Mario Six92f84b62018-01-15 11:10:30 +0100337 flash_base,
338 flash_size));
Simon Glass6f6430d2013-03-11 14:30:37 +0000339 }
340#endif /* CONFIG_SYS_FLASH_CHECKSUM */
341 putc('\n');
342
Simon Glassc2240d42013-03-14 07:20:12 +0000343 /* update start of FLASH memory */
Tom Rini65cc0e22022-11-16 13:10:41 -0500344#ifdef CFG_SYS_FLASH_BASE
345 bd->bi_flashstart = CFG_SYS_FLASH_BASE;
Simon Glassc2240d42013-03-14 07:20:12 +0000346#endif
347 /* size of FLASH memory (final value) */
348 bd->bi_flashsize = flash_size;
349
350#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
351 /* Make a update of the Memctrl. */
352 update_flash_size(flash_size);
353#endif
354
Simon Glassc2240d42013-03-14 07:20:12 +0000355#if defined(CONFIG_OXC) || defined(CONFIG_RMU)
356 /* flash mapped at end of memory map */
Simon Glass98463902022-10-20 18:22:39 -0600357 bd->bi_flashoffset = CONFIG_TEXT_BASE + flash_size;
Tom Rini65cc0e22022-11-16 13:10:41 -0500358#elif CONFIG_SYS_MONITOR_BASE == CFG_SYS_FLASH_BASE
Simon Glassc2240d42013-03-14 07:20:12 +0000359 bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */
360#endif
361 return 0;
362}
363#endif
364
Simon Glass6f6430d2013-03-11 14:30:37 +0000365#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();
Hou Zhiqiang203db382017-03-17 16:12:31 +0800371 printf("%lu MiB\n", nand_size() / 1024);
Simon Glass6f6430d2013-03-11 14:30:37 +0000372 return 0;
373}
374#endif
375
376#if defined(CONFIG_CMD_ONENAND)
377/* go init the NAND */
Jeroen Hofstee2588ba12014-10-08 22:57:32 +0200378static int initr_onenand(void)
Simon Glass6f6430d2013-03-11 14:30:37 +0000379{
380 puts("NAND: ");
381 onenand_init();
382 return 0;
383}
384#endif
385
Masahiro Yamada4aa2ba32017-05-09 20:31:39 +0900386#ifdef CONFIG_MMC
Jeroen Hofstee2588ba12014-10-08 22:57:32 +0200387static int initr_mmc(void)
Simon Glass6f6430d2013-03-11 14:30:37 +0000388{
389 puts("MMC: ");
390 mmc_initialize(gd->bd);
391 return 0;
392}
393#endif
394
Anastasiia Lukianenko722bc5b2020-08-06 12:42:55 +0300395#ifdef CONFIG_PVBLOCK
396static int initr_pvblock(void)
397{
398 puts("PVBLOCK: ");
399 pvblock_init();
400 return 0;
401}
402#endif
403
Simon Glass6f6430d2013-03-11 14:30:37 +0000404/*
405 * Tell if it's OK to load the environment early in boot.
406 *
Masahiro Yamada776babd2016-02-05 20:49:39 +0900407 * If CONFIG_OF_CONTROL is defined, we'll check with the FDT to see
Simon Glass6f6430d2013-03-11 14:30:37 +0000408 * if this is OK (defaulting to saying it's OK).
409 *
410 * NOTE: Loading the environment early can be a bad idea if security is
411 * important, since no verification is done on the environment.
412 *
Heinrich Schuchardt185f8122022-01-19 18:05:50 +0100413 * Return: 0 if environment should not be loaded, !=0 if it is ok to load
Simon Glass6f6430d2013-03-11 14:30:37 +0000414 */
415static int should_load_env(void)
416{
Ovidiu Panait9441f8c2020-05-06 20:38:43 +0300417 if (IS_ENABLED(CONFIG_OF_CONTROL))
Simon Glass7de8bd02021-08-07 07:24:01 -0600418 return ofnode_conf_read_int("load-environment", 1);
Ovidiu Panait9441f8c2020-05-06 20:38:43 +0300419
420 if (IS_ENABLED(CONFIG_DELAY_ENVIRONMENT))
421 return 0;
422
Simon Glass6f6430d2013-03-11 14:30:37 +0000423 return 1;
Simon Glass6f6430d2013-03-11 14:30:37 +0000424}
425
426static int initr_env(void)
427{
428 /* initialize environment */
429 if (should_load_env())
430 env_relocate();
431 else
Simon Glass0ac7d722019-08-01 09:47:00 -0600432 env_set_default(NULL, 0);
Ovidiu Panait9441f8c2020-05-06 20:38:43 +0300433
Rasmus Villemoes95fd9772021-04-21 11:06:54 +0200434 env_import_fdt();
435
Ovidiu Panait9441f8c2020-05-06 20:38:43 +0300436 if (IS_ENABLED(CONFIG_OF_CONTROL))
437 env_set_hex("fdtcontroladdr",
438 (unsigned long)map_to_sysmem(gd->fdt_blob));
Simon Glass6f6430d2013-03-11 14:30:37 +0000439
Simon Glass4c776082023-02-05 17:55:03 -0700440 #if (IS_ENABLED(CONFIG_SAVE_PREV_BL_INITRAMFS_START_ADDR) || \
Simon Glass10f8bc02023-02-05 15:40:44 -0700441 IS_ENABLED(CONFIG_SAVE_PREV_BL_FDT_ADDR))
Dzmitry Sankouski12a3e1a2022-02-22 21:49:52 +0300442 save_prev_bl_data();
443 #endif
444
Simon Glass6f6430d2013-03-11 14:30:37 +0000445 /* Initialize from environment */
Simon Glassbb872dd2019-12-28 10:45:02 -0700446 image_load_addr = env_get_ulong("loadaddr", 16, image_load_addr);
Simon Glassc2240d42013-03-14 07:20:12 +0000447
Simon Glass6f6430d2013-03-11 14:30:37 +0000448 return 0;
449}
450
Tom Rini167f6992022-05-12 16:45:08 -0400451#ifdef CONFIG_SYS_MALLOC_BOOTPARAMS
Andreas Bießmannc722f0b2015-02-06 23:06:47 +0100452static int initr_malloc_bootparams(void)
453{
454 gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN);
455 if (!gd->bd->bi_boot_params) {
456 puts("WARNING: Cannot allocate space for boot parameters\n");
457 return -ENOMEM;
458 }
459 return 0;
460}
461#endif
462
Uri Mashiach2d8d1902017-01-19 10:51:45 +0200463#if defined(CONFIG_LED_STATUS)
Simon Glassc2240d42013-03-14 07:20:12 +0000464static int initr_status_led(void)
465{
Uri Mashiach2d8d1902017-01-19 10:51:45 +0200466#if defined(CONFIG_LED_STATUS_BOOT)
467 status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_BLINKING);
Bernhard Nortmann13cfbe52015-08-21 15:13:21 +0200468#else
469 status_led_init();
470#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000471 return 0;
472}
473#endif
474
Simon Glass6f6430d2013-03-11 14:30:37 +0000475#ifdef CONFIG_CMD_NET
476static int initr_net(void)
477{
478 puts("Net: ");
Joe Hershbergerd2eaec62015-03-22 17:09:06 -0500479 eth_initialize();
Simon Glass6f6430d2013-03-11 14:30:37 +0000480#if defined(CONFIG_RESET_PHY_R)
481 debug("Reset Ethernet PHY\n");
482 reset_phy();
483#endif
484 return 0;
485}
486#endif
487
488#ifdef CONFIG_POST
489static int initr_post(void)
490{
491 post_run(NULL, POST_RAM | post_bootmode_get(0));
492 return 0;
493}
494#endif
495
Tom Rini7c5c1372022-12-04 10:13:37 -0500496#if defined(CFG_PRAM)
Simon Glass6f6430d2013-03-11 14:30:37 +0000497/*
498 * Export available size of memory for Linux, taking into account the
499 * protected RAM at top of memory
500 */
501int initr_mem(void)
502{
503 ulong pram = 0;
504 char memsz[32];
505
Tom Rini7c5c1372022-12-04 10:13:37 -0500506 pram = env_get_ulong("pram", 10, CFG_PRAM);
Mario Six92f84b62018-01-15 11:10:30 +0100507 sprintf(memsz, "%ldk", (long int)((gd->ram_size / 1024) - pram));
Simon Glass382bee52017-08-03 12:22:09 -0600508 env_set("mem", memsz);
Simon Glassc2240d42013-03-14 07:20:12 +0000509
510 return 0;
511}
512#endif
513
Simon Glassff66e7b2021-12-16 20:59:34 -0700514static int dm_announce(void)
515{
516 int device_count;
517 int uclass_count;
518
519 if (IS_ENABLED(CONFIG_DM)) {
520 dm_get_stats(&device_count, &uclass_count);
521 printf("Core: %d devices, %d uclasses", device_count,
522 uclass_count);
523 if (CONFIG_IS_ENABLED(OF_REAL))
524 printf(", devicetree: %s", fdtdec_get_srcname());
525 printf("\n");
Simon Glass93233b02021-12-16 20:59:39 -0700526 if (IS_ENABLED(CONFIG_OF_HAS_PRIOR_STAGE) &&
527 (gd->fdt_src == FDTSRC_SEPARATE ||
528 gd->fdt_src == FDTSRC_EMBED)) {
529 printf("Warning: Unexpected devicetree source (not from a prior stage)");
530 printf("Warning: U-Boot may not function properly\n");
531 }
Simon Glassc74e0342023-02-13 08:56:32 -0700532 if (IS_ENABLED(CONFIG_OF_TAG_MIGRATE) &&
533 (gd->flags & GD_FLG_OF_TAG_MIGRATE))
534 /*
535 * U-Boot will silently fail to work after 2023.07 if
536 * there are old tags present
537 */
538 printf("Warning: Device tree includes old 'u-boot,dm-' tags: please fix by 2023.07!\n");
Simon Glassff66e7b2021-12-16 20:59:34 -0700539 }
540
541 return 0;
542}
543
Simon Glass6f6430d2013-03-11 14:30:37 +0000544static int run_main_loop(void)
545{
Simon Glassa733b062013-04-26 02:53:43 +0000546#ifdef CONFIG_SANDBOX
547 sandbox_main_loop_init();
548#endif
Sughosh Ganu467bad52022-10-21 18:16:01 +0530549
550 event_notify_null(EVT_MAIN_LOOP);
551
Simon Glass6f6430d2013-03-11 14:30:37 +0000552 /* main_loop() can return to retry autoboot, if so just run it again */
553 for (;;)
554 main_loop();
555 return 0;
556}
557
558/*
Simon Glasse7f59de2023-08-21 21:16:49 -0600559 * Over time we hope to remove these functions with code fragments and
560 * stub functions, and instead call the relevant function directly.
561 *
562 * We also hope to remove most of the driver-related init and do it if/when
Simon Glass6f6430d2013-03-11 14:30:37 +0000563 * the driver is later used.
Simon Glassc2240d42013-03-14 07:20:12 +0000564 *
565 * TODO: perhaps reset the watchdog in the initcall function after each call?
Simon Glass6f6430d2013-03-11 14:30:37 +0000566 */
Simon Glass4acff452017-01-16 07:03:50 -0700567static init_fnc_t init_sequence_r[] = {
Simon Glass71c52db2013-06-11 11:14:42 -0700568 initr_trace,
Simon Glass6f6430d2013-03-11 14:30:37 +0000569 initr_reloc,
Simon Glass87a5d1b2022-03-04 08:43:00 -0700570 event_init,
Simon Glassc2240d42013-03-14 07:20:12 +0000571 /* TODO: could x86/PPC have this also perhaps? */
Zong Li4d4222d2021-09-01 15:01:40 +0800572#if defined(CONFIG_ARM) || defined(CONFIG_RISCV)
Simon Glass6f6430d2013-03-11 14:30:37 +0000573 initr_caches,
York Sun12eaf312015-03-20 19:28:11 -0700574 /* Note: For Freescale LS2 SoCs, new MMU table is created in DDR.
575 * A temporary mapping of IFC high region is since removed,
Mario Six92f84b62018-01-15 11:10:30 +0100576 * so environmental variables in NOR flash is not available
York Sun12eaf312015-03-20 19:28:11 -0700577 * until board_init() is called below to remap IFC to high
578 * region.
579 */
Simon Glass9fb02492014-09-03 17:37:01 -0600580#endif
581 initr_reloc_global_data,
York Sunfef3e252014-10-02 15:20:10 -0700582#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
583 initr_unlock_ram_in_cache,
584#endif
Simon Glass9fb02492014-09-03 17:37:01 -0600585 initr_barrier,
586 initr_malloc,
Simon Glassaf1bc0c2017-12-04 13:48:28 -0700587 log_init,
Simon Glass5ac44a52017-05-22 05:05:31 -0600588 initr_bootstage, /* Needs malloc() but has its own timer */
Ovidiu Panait51c5a2c2020-11-28 10:43:08 +0200589#if defined(CONFIG_CONSOLE_RECORD)
590 console_record_init,
591#endif
Jan Kiszka671fa632015-03-09 07:47:18 +0100592#ifdef CONFIG_SYS_NONCACHED_MEMORY
Ovidiu Panait42d0d422020-11-28 10:43:13 +0200593 noncached_init,
Jan Kiszka671fa632015-03-09 07:47:18 +0100594#endif
Simon Glass3af86a42017-05-18 20:08:56 -0600595 initr_of_live,
Simon Glass9fb02492014-09-03 17:37:01 -0600596#ifdef CONFIG_DM
597 initr_dm,
598#endif
Bin Menga43b5982021-02-25 17:22:38 +0800599#ifdef CONFIG_ADDR_MAP
Ovidiu Panait1b212bb2022-01-01 19:13:28 +0200600 init_addr_map,
Bin Menga43b5982021-02-25 17:22:38 +0800601#endif
Tom Rini11232132022-04-06 09:21:25 -0400602#if defined(CONFIG_ARM) || defined(CONFIG_RISCV) || defined(CONFIG_SANDBOX)
Simon Glass6f6430d2013-03-11 14:30:37 +0000603 board_init, /* Setup chipselects */
604#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000605 /*
606 * TODO: printing of the clock inforamtion of the board is now
607 * implemented as part of bdinfo command. Currently only support for
608 * davinci SOC's is added. Remove this check once all the board
609 * implement this.
610 */
611#ifdef CONFIG_CLOCKS
612 set_cpu_clk_info, /* Setup clock information */
613#endif
Alexander Graf5d009952016-03-04 01:10:04 +0100614#ifdef CONFIG_EFI_LOADER
615 efi_memory_init,
616#endif
Simon Glass3c10dc92019-12-06 21:41:34 -0700617 initr_binman,
Simon Glassfe08d392019-12-06 21:42:20 -0700618#ifdef CONFIG_FSP_VERSION2
619 arch_fsp_init_r,
620#endif
Simon Glassdd0edcb2019-12-06 21:41:46 -0700621 initr_dm_devices,
Simon Glass9fb02492014-09-03 17:37:01 -0600622 stdio_init_tables,
Ovidiu Panaitbf2fb812020-07-24 14:12:23 +0300623 serial_initialize,
Simon Glass6f6430d2013-03-11 14:30:37 +0000624 initr_announce,
Simon Glassff66e7b2021-12-16 20:59:34 -0700625 dm_announce,
Marek Vasut6874cb72019-06-09 03:46:21 +0200626#if CONFIG_IS_ENABLED(WDT)
Weijie Gao84b24162019-05-16 17:19:13 +0800627 initr_watchdog,
628#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000629 INIT_FUNC_WATCHDOG_RESET
Ovidiu Panait130845b2020-11-28 10:43:18 +0200630 arch_initr_trap,
Simon Glassc2240d42013-03-14 07:20:12 +0000631#if defined(CONFIG_BOARD_EARLY_INIT_R)
632 board_early_init_r,
633#endif
634 INIT_FUNC_WATCHDOG_RESET
Simon Glass6f6430d2013-03-11 14:30:37 +0000635#ifdef CONFIG_POST
Ovidiu Panait7addd3c2020-11-28 10:43:10 +0200636 post_output_backlog,
Simon Glass6f6430d2013-03-11 14:30:37 +0000637#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000638 INIT_FUNC_WATCHDOG_RESET
Ovidiu Panaitb9f6d0f2020-11-28 10:43:12 +0200639#if defined(CONFIG_PCI_INIT_R) && defined(CONFIG_SYS_EARLY_PCI_INIT)
Simon Glassc2240d42013-03-14 07:20:12 +0000640 /*
641 * Do early PCI configuration _before_ the flash gets initialised,
Mario Six92f84b62018-01-15 11:10:30 +0100642 * because PCU resources are crucial for flash access on some boards.
Simon Glassc2240d42013-03-14 07:20:12 +0000643 */
Ovidiu Panaitb9f6d0f2020-11-28 10:43:12 +0200644 pci_init,
Simon Glassc2240d42013-03-14 07:20:12 +0000645#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000646#ifdef CONFIG_ARCH_EARLY_INIT_R
647 arch_early_init_r,
648#endif
649 power_init_board,
Masahiro Yamadae856bdc2017-02-11 22:43:54 +0900650#ifdef CONFIG_MTD_NOR_FLASH
Simon Glass6f6430d2013-03-11 14:30:37 +0000651 initr_flash,
652#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000653 INIT_FUNC_WATCHDOG_RESET
Tom Rini936478e2017-03-14 11:08:11 -0400654#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86)
Simon Glassc2240d42013-03-14 07:20:12 +0000655 /* initialize higher level parts of CPU like time base and timers */
656 cpu_init_r,
Simon Glassbe274b92013-03-05 14:39:53 +0000657#endif
AKASHI Takahiro023d9c92022-10-21 12:01:57 +0900658#ifdef CONFIG_EFI_LOADER
Heinrich Schuchardt5e847f72022-04-28 06:30:30 +0000659 efi_init_early,
660#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000661#ifdef CONFIG_CMD_NAND
662 initr_nand,
663#endif
664#ifdef CONFIG_CMD_ONENAND
665 initr_onenand,
666#endif
Masahiro Yamada4aa2ba32017-05-09 20:31:39 +0900667#ifdef CONFIG_MMC
Simon Glass6f6430d2013-03-11 14:30:37 +0000668 initr_mmc,
669#endif
Oleksandr Andrushchenko48654412020-08-06 12:42:48 +0300670#ifdef CONFIG_XEN
Ovidiu Panaiteb2825b2020-11-28 10:43:14 +0200671 xen_init,
Oleksandr Andrushchenko48654412020-08-06 12:42:48 +0300672#endif
Anastasiia Lukianenko722bc5b2020-08-06 12:42:55 +0300673#ifdef CONFIG_PVBLOCK
674 initr_pvblock,
675#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000676 initr_env,
Tom Rini167f6992022-05-12 16:45:08 -0400677#ifdef CONFIG_SYS_MALLOC_BOOTPARAMS
Andreas Bießmannc722f0b2015-02-06 23:06:47 +0100678 initr_malloc_bootparams,
679#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000680 INIT_FUNC_WATCHDOG_RESET
Ovidiu Panaitfb504b22020-11-28 10:43:09 +0200681 cpu_secondary_init_r,
Tom Rinid7d40f62021-08-17 17:59:41 -0400682#if defined(CONFIG_ID_EEPROM)
Simon Glassc2240d42013-03-14 07:20:12 +0000683 mac_read_from_eeprom,
684#endif
Artur Rojek6092ce52023-10-18 16:00:57 +0200685 INITCALL_EVENT(EVT_SETTINGS_R),
Simon Glassc2240d42013-03-14 07:20:12 +0000686 INIT_FUNC_WATCHDOG_RESET
Ovidiu Panaitb9f6d0f2020-11-28 10:43:12 +0200687#if defined(CONFIG_PCI_INIT_R) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
Simon Glassc2240d42013-03-14 07:20:12 +0000688 /*
689 * Do pci configuration
690 */
Ovidiu Panaitb9f6d0f2020-11-28 10:43:12 +0200691 pci_init,
Simon Glassc2240d42013-03-14 07:20:12 +0000692#endif
Simon Glass9fb02492014-09-03 17:37:01 -0600693 stdio_add_devices,
Ovidiu Panait01548582020-11-28 10:43:15 +0200694 jumptable_init,
Simon Glass6f6430d2013-03-11 14:30:37 +0000695#ifdef CONFIG_API
Ovidiu Panaitce41e732020-11-28 10:43:16 +0200696 api_init,
Simon Glass6f6430d2013-03-11 14:30:37 +0000697#endif
698 console_init_r, /* fully init console as a device */
699#ifdef CONFIG_DISPLAY_BOARDINFO_LATE
Simon Glassb0895382017-06-15 21:37:50 -0600700 console_announce_r,
Masahiro Yamada0365ffc2015-01-14 17:07:05 +0900701 show_board_info,
Simon Glass6f6430d2013-03-11 14:30:37 +0000702#endif
703#ifdef CONFIG_ARCH_MISC_INIT
704 arch_misc_init, /* miscellaneous arch-dependent init */
705#endif
706#ifdef CONFIG_MISC_INIT_R
707 misc_init_r, /* miscellaneous platform-dependent init */
708#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000709 INIT_FUNC_WATCHDOG_RESET
710#ifdef CONFIG_CMD_KGDB
Ovidiu Panait78fc0392022-01-01 19:13:27 +0200711 kgdb_init,
Simon Glassc2240d42013-03-14 07:20:12 +0000712#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000713 interrupt_init,
Andy Shevchenkodaab59a2017-07-05 16:25:22 +0300714#if defined(CONFIG_MICROBLAZE) || defined(CONFIG_M68K)
Simon Glassbe274b92013-03-05 14:39:53 +0000715 timer_init, /* initialize timer */
716#endif
Uri Mashiach2d8d1902017-01-19 10:51:45 +0200717#if defined(CONFIG_LED_STATUS)
Simon Glassc2240d42013-03-14 07:20:12 +0000718 initr_status_led,
719#endif
720 /* PPC has a udelay(20) here dating from 2002. Why? */
Simon Glass6f6430d2013-03-11 14:30:37 +0000721#ifdef CONFIG_BOARD_LATE_INIT
722 board_late_init,
723#endif
724#ifdef CONFIG_BITBANGMII
Ovidiu Panaitc65abc72020-11-28 10:43:17 +0200725 bb_miiphy_init,
Simon Glass6f6430d2013-03-11 14:30:37 +0000726#endif
Xiaowei Baofd00c532020-07-09 23:31:34 +0800727#ifdef CONFIG_PCI_ENDPOINT
Ovidiu Panaitc343e8c2020-11-28 10:43:11 +0200728 pci_ep_init,
Xiaowei Baofd00c532020-07-09 23:31:34 +0800729#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000730#ifdef CONFIG_CMD_NET
Simon Glassc2240d42013-03-14 07:20:12 +0000731 INIT_FUNC_WATCHDOG_RESET
Simon Glass6f6430d2013-03-11 14:30:37 +0000732 initr_net,
733#endif
734#ifdef CONFIG_POST
735 initr_post,
736#endif
Simon Glassc2240d42013-03-14 07:20:12 +0000737 INIT_FUNC_WATCHDOG_RESET
Simon Glass91caa3b2023-08-21 21:17:01 -0600738 INITCALL_EVENT(EVT_LAST_STAGE_INIT),
Tom Rini7c5c1372022-12-04 10:13:37 -0500739#if defined(CFG_PRAM)
Simon Glassc2240d42013-03-14 07:20:12 +0000740 initr_mem,
741#endif
Simon Glass6f6430d2013-03-11 14:30:37 +0000742 run_main_loop,
743};
744
745void board_init_r(gd_t *new_gd, ulong dest_addr)
746{
Simon Glassfb923082017-01-16 07:03:51 -0700747 /*
Simon Glassc38a21d2023-01-15 14:15:41 -0700748 * The pre-relocation drivers may be using memory that has now gone
749 * away. Mark serial as unavailable - this will fall back to the debug
750 * UART if available.
751 *
752 * Do the same with log drivers since the memory may not be available.
753 */
754 gd->flags &= ~(GD_FLG_SERIAL_READY | GD_FLG_LOG_READY);
755
756 /*
Simon Glassfb923082017-01-16 07:03:51 -0700757 * Set up the new global data pointer. So far only x86 does this
758 * here.
759 * TODO(sjg@chromium.org): Consider doing this for all archs, or
760 * dropping the new_gd parameter.
761 */
Simon Glass86bb4882021-12-29 11:57:54 -0700762 if (CONFIG_IS_ENABLED(X86_64) && !IS_ENABLED(CONFIG_EFI_APP))
763 arch_setup_gd(new_gd);
Simon Glassfb923082017-01-16 07:03:51 -0700764
Jeroen Hofstee47a602e2014-07-30 21:54:49 +0200765#if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
Simon Glass6f6430d2013-03-11 14:30:37 +0000766 gd = new_gd;
Simon Glassbe274b92013-03-05 14:39:53 +0000767#endif
Simon Glassaf1bc0c2017-12-04 13:48:28 -0700768 gd->flags &= ~GD_FLG_LOG_READY;
Alexey Brodkin73953982014-01-20 14:30:39 +0400769
Simon Glass6f6430d2013-03-11 14:30:37 +0000770 if (initcall_run_list(init_sequence_r))
771 hang();
772
773 /* NOTREACHED - run_main_loop() does not return */
774 hang();
775}