blob: 42bbb507332c8de234723d02024f787da4501f59 [file] [log] [blame]
wdenkc6097192002-11-03 00:24:07 +00001/*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
wdenkc6097192002-11-03 00:24:07 +00006 */
7
wdenka6c7ad22002-12-03 21:28:10 +00008/* #define DEBUG */
9
wdenkc6097192002-11-03 00:24:07 +000010#include <common.h>
Simon Glass66ded172014-04-10 20:01:28 -060011#include <autoboot.h>
Simon Glass18d66532014-04-10 20:01:25 -060012#include <cli.h>
Simon Glass24b852a2015-11-08 23:47:45 -070013#include <console.h>
Simon Glassfbcdf322013-05-15 06:23:59 +000014#include <version.h>
wdenkbdccc4f2003-08-05 17:43:17 +000015
Simon Glass9272a9b2014-04-10 20:01:32 -060016DECLARE_GLOBAL_DATA_PTR;
17
Heiko Schocherfad63402007-07-13 09:54:17 +020018/*
19 * Board-specific Platform code can reimplement show_boot_progress () if needed
20 */
Jeroen Hofstee34222992014-06-26 20:18:31 +020021__weak void show_boot_progress(int val) {}
Heiko Schocherfad63402007-07-13 09:54:17 +020022
Simon Glass1364a0e2014-04-10 20:01:33 -060023static void run_preboot_environment_command(void)
24{
Simon Glassbc2b4c22013-05-15 06:23:56 +000025#ifdef CONFIG_PREBOOT
Simon Glass1364a0e2014-04-10 20:01:33 -060026 char *p;
27
Simon Glassbc2b4c22013-05-15 06:23:56 +000028 p = getenv("preboot");
29 if (p != NULL) {
30# ifdef CONFIG_AUTOBOOT_KEYED
31 int prev = disable_ctrlc(1); /* disable Control C checking */
32# endif
33
34 run_command_list(p, -1, 0);
35
36# ifdef CONFIG_AUTOBOOT_KEYED
37 disable_ctrlc(prev); /* restore Control C checking */
38# endif
39 }
40#endif /* CONFIG_PREBOOT */
Simon Glass1364a0e2014-04-10 20:01:33 -060041}
42
Simon Glassaffb2152014-04-10 20:01:35 -060043/* We come here after U-Boot is initialised and ready to process commands */
Simon Glass1364a0e2014-04-10 20:01:33 -060044void main_loop(void)
45{
Simon Glassaffb2152014-04-10 20:01:35 -060046 const char *s;
47
Simon Glass1364a0e2014-04-10 20:01:33 -060048 bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop");
49
50#ifndef CONFIG_SYS_GENERIC_BOARD
51 puts("Warning: Your board does not use generic board. Please read\n");
52 puts("doc/README.generic-board and take action. Boards not\n");
53 puts("upgraded by the late 2014 may break or be removed.\n");
54#endif
55
Simon Glass1364a0e2014-04-10 20:01:33 -060056#ifdef CONFIG_VERSION_VARIABLE
57 setenv("ver", version_string); /* set version variable */
58#endif /* CONFIG_VERSION_VARIABLE */
59
Simon Glassc1bb2cd2014-04-10 20:01:34 -060060 cli_init();
Simon Glass1364a0e2014-04-10 20:01:33 -060061
62 run_preboot_environment_command();
Simon Glassbc2b4c22013-05-15 06:23:56 +000063
64#if defined(CONFIG_UPDATE_TFTP)
Lukasz Majewskic7ff5522015-08-24 00:21:47 +020065 update_tftp(0UL, NULL, NULL);
Simon Glassbc2b4c22013-05-15 06:23:56 +000066#endif /* CONFIG_UPDATE_TFTP */
67
Simon Glassaffb2152014-04-10 20:01:35 -060068 s = bootdelay_process();
69 if (cli_process_fdt(&s))
70 cli_secure_boot_cmd(s);
71
72 autoboot_command(s);
Simon Glassc1bb2cd2014-04-10 20:01:34 -060073
Simon Glass6493ccc2014-04-10 20:01:26 -060074 cli_loop();
Simon Glass045e6f02016-03-13 19:07:32 -060075 panic("No CLI available");
wdenkc6097192002-11-03 00:24:07 +000076}