xref: /openbmc/u-boot/lib/hang.c (revision a73267a7)
1 /*
2  * (C) Copyright 2013
3  * Andreas Bießmann <andreas.devel@googlemail.com>
4  *
5  * This file consolidates all the different hang() functions implemented in
6  * u-boot.
7  *
8  * See file CREDITS for list of people who contributed to this
9  * project.
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Public License as
13  * published by the Free Software Foundation; either version 2 of
14  * the License, or (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24  * MA 02111-1307 USA
25  */
26 
27 #include <common.h>
28 #include <bootstage.h>
29 
30 /**
31  * hang - stop processing by staying in an endless loop
32  *
33  * The purpose of this function is to stop further execution of code cause
34  * something went completely wrong.  To catch this and give some feedback to
35  * the user one needs to catch the bootstage_error (see show_boot_progress())
36  * in the board code.
37  */
38 void hang(void)
39 {
40 #if !defined(CONFIG_SPL_BUILD) || (defined(CONFIG_SPL_LIBCOMMON_SUPPORT) && \
41 		defined(CONFIG_SPL_SERIAL_SUPPORT))
42 	puts("### ERROR ### Please RESET the board ###\n");
43 #endif
44 	bootstage_error(BOOTSTAGE_ID_NEED_RESET);
45 	for (;;)
46 		;
47 }
48