xref: /OK3568_Linux_fs/u-boot/common/main.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2000
3*4882a593Smuzhiyun  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun /* #define	DEBUG	*/
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include <common.h>
11*4882a593Smuzhiyun #include <autoboot.h>
12*4882a593Smuzhiyun #include <cli.h>
13*4882a593Smuzhiyun #include <console.h>
14*4882a593Smuzhiyun #include <version.h>
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun /*
19*4882a593Smuzhiyun  * Board-specific Platform code can reimplement show_boot_progress () if needed
20*4882a593Smuzhiyun  */
show_boot_progress(int val)21*4882a593Smuzhiyun __weak void show_boot_progress(int val) {}
22*4882a593Smuzhiyun 
run_preboot_environment_command(void)23*4882a593Smuzhiyun static void run_preboot_environment_command(void)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun #ifdef CONFIG_PREBOOT
26*4882a593Smuzhiyun 	char *p;
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun 	p = env_get("preboot");
29*4882a593Smuzhiyun 	if (p != NULL) {
30*4882a593Smuzhiyun # ifdef CONFIG_AUTOBOOT_KEYED
31*4882a593Smuzhiyun 		int prev = disable_ctrlc(1);	/* disable Control C checking */
32*4882a593Smuzhiyun # endif
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun 		run_command_list(p, -1, 0);
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun # ifdef CONFIG_AUTOBOOT_KEYED
37*4882a593Smuzhiyun 		disable_ctrlc(prev);	/* restore Control C checking */
38*4882a593Smuzhiyun # endif
39*4882a593Smuzhiyun 	}
40*4882a593Smuzhiyun #endif /* CONFIG_PREBOOT */
41*4882a593Smuzhiyun }
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun extern void ctrl_menu_show(void);
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun /* We come here after U-Boot is initialised and ready to process commands */
main_loop(void)46*4882a593Smuzhiyun void main_loop(void)
47*4882a593Smuzhiyun {
48*4882a593Smuzhiyun 	const char *s;
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun 	bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop");
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun #ifdef CONFIG_VERSION_VARIABLE
53*4882a593Smuzhiyun 	env_set("ver", version_string);  /* set version variable */
54*4882a593Smuzhiyun #endif /* CONFIG_VERSION_VARIABLE */
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun 	cli_init();
57*4882a593Smuzhiyun 
58*4882a593Smuzhiyun 	run_preboot_environment_command();
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun #if defined(CONFIG_UPDATE_TFTP)
61*4882a593Smuzhiyun 	update_tftp(0UL, NULL, NULL);
62*4882a593Smuzhiyun #endif /* CONFIG_UPDATE_TFTP */
63*4882a593Smuzhiyun 
64*4882a593Smuzhiyun 	s = bootdelay_process();
65*4882a593Smuzhiyun 	if (cli_process_fdt(&s))
66*4882a593Smuzhiyun 		cli_secure_boot_cmd(s);
67*4882a593Smuzhiyun 
68*4882a593Smuzhiyun 	autoboot_command(s);
69*4882a593Smuzhiyun 
70*4882a593Smuzhiyun 	ctrl_menu_show();
71*4882a593Smuzhiyun 
72*4882a593Smuzhiyun 	cli_loop();
73*4882a593Smuzhiyun 	panic("No CLI available");
74*4882a593Smuzhiyun }
75