3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
16 DECLARE_GLOBAL_DATA_PTR;
19 * Board-specific Platform code can reimplement show_boot_progress () if needed
21 void inline __show_boot_progress (int val) {}
22 void show_boot_progress (int val) __attribute__((weak, alias("__show_boot_progress")));
24 static void modem_init(void)
26 #ifdef CONFIG_MODEM_SUPPORT
27 debug("DEBUG: main_loop: gd->do_mdm_init=%lu\n", gd->do_mdm_init);
28 if (gd->do_mdm_init) {
29 char *str = strdup(getenv("mdm_cmd"));
30 setenv("preboot", str); /* set or delete definition */
33 mdm_init(); /* wait for modem connection */
35 #endif /* CONFIG_MODEM_SUPPORT */
38 static void run_preboot_environment_command(void)
43 p = getenv("preboot");
45 # ifdef CONFIG_AUTOBOOT_KEYED
46 int prev = disable_ctrlc(1); /* disable Control C checking */
49 run_command_list(p, -1, 0);
51 # ifdef CONFIG_AUTOBOOT_KEYED
52 disable_ctrlc(prev); /* restore Control C checking */
55 #endif /* CONFIG_PREBOOT */
60 bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop");
62 #ifndef CONFIG_SYS_GENERIC_BOARD
63 puts("Warning: Your board does not use generic board. Please read\n");
64 puts("doc/README.generic-board and take action. Boards not\n");
65 puts("upgraded by the late 2014 may break or be removed.\n");
69 #ifdef CONFIG_VERSION_VARIABLE
70 setenv("ver", version_string); /* set version variable */
71 #endif /* CONFIG_VERSION_VARIABLE */
75 run_preboot_environment_command();
77 #if defined(CONFIG_UPDATE_TFTP)
79 #endif /* CONFIG_UPDATE_TFTP */
83 * Main Loop for Monitor Command Processing