blob: 32618f139f2e601ff804e3057d4a185f151694f5 [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 Glassfbcdf322013-05-15 06:23:59 +000013#include <version.h>
wdenkbdccc4f2003-08-05 17:43:17 +000014
Simon Glass9272a9b2014-04-10 20:01:32 -060015DECLARE_GLOBAL_DATA_PTR;
16
Heiko Schocherfad63402007-07-13 09:54:17 +020017/*
18 * Board-specific Platform code can reimplement show_boot_progress () if needed
19 */
20void inline __show_boot_progress (int val) {}
Emil Medve5e2c08c2009-05-12 13:48:32 -050021void show_boot_progress (int val) __attribute__((weak, alias("__show_boot_progress")));
Heiko Schocherfad63402007-07-13 09:54:17 +020022
Simon Glass1364a0e2014-04-10 20:01:33 -060023static void modem_init(void)
Simon Glassbc2b4c22013-05-15 06:23:56 +000024{
Simon Glassbc2b4c22013-05-15 06:23:56 +000025#ifdef CONFIG_MODEM_SUPPORT
Simon Glass9272a9b2014-04-10 20:01:32 -060026 debug("DEBUG: main_loop: gd->do_mdm_init=%lu\n", gd->do_mdm_init);
27 if (gd->do_mdm_init) {
Simon Glass95856242014-04-10 20:01:36 -060028 char *str = getenv("mdm_cmd");
29
Simon Glassbc2b4c22013-05-15 06:23:56 +000030 setenv("preboot", str); /* set or delete definition */
Simon Glassbc2b4c22013-05-15 06:23:56 +000031 mdm_init(); /* wait for modem connection */
32 }
33#endif /* CONFIG_MODEM_SUPPORT */
Simon Glass1364a0e2014-04-10 20:01:33 -060034}
Simon Glassbc2b4c22013-05-15 06:23:56 +000035
Simon Glass1364a0e2014-04-10 20:01:33 -060036static void run_preboot_environment_command(void)
37{
Simon Glassbc2b4c22013-05-15 06:23:56 +000038#ifdef CONFIG_PREBOOT
Simon Glass1364a0e2014-04-10 20:01:33 -060039 char *p;
40
Simon Glassbc2b4c22013-05-15 06:23:56 +000041 p = getenv("preboot");
42 if (p != NULL) {
43# ifdef CONFIG_AUTOBOOT_KEYED
44 int prev = disable_ctrlc(1); /* disable Control C checking */
45# endif
46
47 run_command_list(p, -1, 0);
48
49# ifdef CONFIG_AUTOBOOT_KEYED
50 disable_ctrlc(prev); /* restore Control C checking */
51# endif
52 }
53#endif /* CONFIG_PREBOOT */
Simon Glass1364a0e2014-04-10 20:01:33 -060054}
55
Simon Glassaffb2152014-04-10 20:01:35 -060056/* We come here after U-Boot is initialised and ready to process commands */
Simon Glass1364a0e2014-04-10 20:01:33 -060057void main_loop(void)
58{
Simon Glassaffb2152014-04-10 20:01:35 -060059 const char *s;
60
Simon Glass1364a0e2014-04-10 20:01:33 -060061 bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop");
62
63#ifndef CONFIG_SYS_GENERIC_BOARD
64 puts("Warning: Your board does not use generic board. Please read\n");
65 puts("doc/README.generic-board and take action. Boards not\n");
66 puts("upgraded by the late 2014 may break or be removed.\n");
67#endif
68
69 modem_init();
70#ifdef CONFIG_VERSION_VARIABLE
71 setenv("ver", version_string); /* set version variable */
72#endif /* CONFIG_VERSION_VARIABLE */
73
Simon Glassc1bb2cd2014-04-10 20:01:34 -060074 cli_init();
Simon Glass1364a0e2014-04-10 20:01:33 -060075
76 run_preboot_environment_command();
Simon Glassbc2b4c22013-05-15 06:23:56 +000077
78#if defined(CONFIG_UPDATE_TFTP)
79 update_tftp(0UL);
80#endif /* CONFIG_UPDATE_TFTP */
81
Simon Glassaffb2152014-04-10 20:01:35 -060082 s = bootdelay_process();
83 if (cli_process_fdt(&s))
84 cli_secure_boot_cmd(s);
85
86 autoboot_command(s);
Simon Glassc1bb2cd2014-04-10 20:01:34 -060087
Simon Glass6493ccc2014-04-10 20:01:26 -060088 cli_loop();
wdenkc6097192002-11-03 00:24:07 +000089}