Gitiles
Code Review Sign In
gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / affb215626f91e717088a27081d24c473895d47d / . / common / main.c
blob: ce45127417026c227d59dc3f71f3660de741b5f2 [file] [log] [blame]
wdenkc6097192002-11-03 00:24:07 +0000[diff] [blame]1/*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +0200[diff] [blame]5 * SPDX-License-Identifier: GPL-2.0+
wdenkc6097192002-11-03 00:24:07 +0000[diff] [blame]6 */
7
wdenka6c7ad22002-12-03 21:28:10 +0000[diff] [blame]8/* #define DEBUG */
9
wdenkc6097192002-11-03 00:24:07 +0000[diff] [blame]10#include <common.h>
Simon Glass66ded172014-04-10 20:01:28 -0600[diff] [blame]11#include <autoboot.h>
Simon Glass18d66532014-04-10 20:01:25 -0600[diff] [blame]12#include <cli.h>
Simon Glassfbcdf322013-05-15 06:23:59 +0000[diff] [blame]13#include <malloc.h>
Simon Glassfbcdf322013-05-15 06:23:59 +0000[diff] [blame]14#include <version.h>
wdenkbdccc4f2003-08-05 17:43:17 +0000[diff] [blame]15
Simon Glass9272a9b2014-04-10 20:01:32 -0600[diff] [blame]16DECLARE_GLOBAL_DATA_PTR;
17
Heiko Schocherfad63402007-07-13 09:54:17 +0200[diff] [blame]18/*
19 * Board-specific Platform code can reimplement show_boot_progress () if needed
20 */
21void inline __show_boot_progress (int val) {}
Emil Medve5e2c08c2009-05-12 13:48:32 -0500[diff] [blame]22void show_boot_progress (int val) __attribute__((weak, alias("__show_boot_progress")));
Heiko Schocherfad63402007-07-13 09:54:17 +0200[diff] [blame]23
Simon Glass1364a0e2014-04-10 20:01:33 -0600[diff] [blame]24static void modem_init(void)
Simon Glassbc2b4c22013-05-15 06:23:56 +0000[diff] [blame]25{
Simon Glassbc2b4c22013-05-15 06:23:56 +0000[diff] [blame]26#ifdef CONFIG_MODEM_SUPPORT
Simon Glass9272a9b2014-04-10 20:01:32 -0600[diff] [blame]27 debug("DEBUG: main_loop: gd->do_mdm_init=%lu\n", gd->do_mdm_init);
28 if (gd->do_mdm_init) {
Simon Glassbc2b4c22013-05-15 06:23:56 +0000[diff] [blame]29 char *str = strdup(getenv("mdm_cmd"));
30 setenv("preboot", str); /* set or delete definition */
31 if (str != NULL)
32 free(str);
33 mdm_init(); /* wait for modem connection */
34 }
35#endif /* CONFIG_MODEM_SUPPORT */
Simon Glass1364a0e2014-04-10 20:01:33 -0600[diff] [blame]36}
Simon Glassbc2b4c22013-05-15 06:23:56 +0000[diff] [blame]37
Simon Glass1364a0e2014-04-10 20:01:33 -0600[diff] [blame]38static void run_preboot_environment_command(void)
39{
Simon Glassbc2b4c22013-05-15 06:23:56 +0000[diff] [blame]40#ifdef CONFIG_PREBOOT
Simon Glass1364a0e2014-04-10 20:01:33 -0600[diff] [blame]41 char *p;
42
Simon Glassbc2b4c22013-05-15 06:23:56 +0000[diff] [blame]43 p = getenv("preboot");
44 if (p != NULL) {
45# ifdef CONFIG_AUTOBOOT_KEYED
46 int prev = disable_ctrlc(1); /* disable Control C checking */
47# endif
48
49 run_command_list(p, -1, 0);
50
51# ifdef CONFIG_AUTOBOOT_KEYED
52 disable_ctrlc(prev); /* restore Control C checking */
53# endif
54 }
55#endif /* CONFIG_PREBOOT */
Simon Glass1364a0e2014-04-10 20:01:33 -0600[diff] [blame]56}
57
Simon Glassaffb2152014-04-10 20:01:35 -0600[diff] [blame^]58/* We come here after U-Boot is initialised and ready to process commands */
Simon Glass1364a0e2014-04-10 20:01:33 -0600[diff] [blame]59void main_loop(void)
60{
Simon Glassaffb2152014-04-10 20:01:35 -0600[diff] [blame^]61 const char *s;
62
Simon Glass1364a0e2014-04-10 20:01:33 -0600[diff] [blame]63 bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop");
64
65#ifndef CONFIG_SYS_GENERIC_BOARD
66 puts("Warning: Your board does not use generic board. Please read\n");
67 puts("doc/README.generic-board and take action. Boards not\n");
68 puts("upgraded by the late 2014 may break or be removed.\n");
69#endif
70
71 modem_init();
72#ifdef CONFIG_VERSION_VARIABLE
73 setenv("ver", version_string); /* set version variable */
74#endif /* CONFIG_VERSION_VARIABLE */
75
Simon Glassc1bb2cd2014-04-10 20:01:34 -0600[diff] [blame]76 cli_init();
Simon Glass1364a0e2014-04-10 20:01:33 -0600[diff] [blame]77
78 run_preboot_environment_command();
Simon Glassbc2b4c22013-05-15 06:23:56 +0000[diff] [blame]79
80#if defined(CONFIG_UPDATE_TFTP)
81 update_tftp(0UL);
82#endif /* CONFIG_UPDATE_TFTP */
83
Simon Glassaffb2152014-04-10 20:01:35 -0600[diff] [blame^]84 s = bootdelay_process();
85 if (cli_process_fdt(&s))
86 cli_secure_boot_cmd(s);
87
88 autoboot_command(s);
Simon Glassc1bb2cd2014-04-10 20:01:34 -0600[diff] [blame]89
Simon Glass6493ccc2014-04-10 20:01:26 -0600[diff] [blame]90 cli_loop();
wdenkc6097192002-11-03 00:24:07 +0000[diff] [blame]91}