1 /*
2  * Carsten Langgaard, carstenl@mips.com
3  * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
4  *
5  * ########################################################################
6  *
7  *  This program is free software; you can distribute it and/or modify it
8  *  under the terms of the GNU General Public License (Version 2) as
9  *  published by the Free Software Foundation.
10  *
11  *  This program is distributed in the hope it will be useful, but WITHOUT
12  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  *  for more details.
15  *
16  *  You should have received a copy of the GNU General Public License along
17  *  with this program; if not, write to the Free Software Foundation, Inc.,
18  *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
19  *
20  * ########################################################################
21  *
22  * Reset the MIPS boards.
23  *
24  */
25 #include <linux/config.h>
26 
27 #include <asm/reboot.h>
28 #include <asm/mips-boards/generic.h>
29 #if defined(CONFIG_MIPS_ATLAS)
30 #include <asm/mips-boards/atlas.h>
31 #endif
32 
33 static void mips_machine_restart(char *command);
34 static void mips_machine_halt(void);
35 #if defined(CONFIG_MIPS_ATLAS)
36 static void atlas_machine_power_off(void);
37 #endif
38 
mips_machine_restart(char * command)39 static void mips_machine_restart(char *command)
40 {
41         volatile unsigned int *softres_reg = (void *)SOFTRES_REG;
42 
43 	*softres_reg = GORESET;
44 }
45 
mips_machine_halt(void)46 static void mips_machine_halt(void)
47 {
48         volatile unsigned int *softres_reg = (void *)SOFTRES_REG;
49 
50 	*softres_reg = GORESET;
51 }
52 
53 #if defined(CONFIG_MIPS_ATLAS)
atlas_machine_power_off(void)54 static void atlas_machine_power_off(void)
55 {
56         volatile unsigned int *psustby_reg = (void *)ATLAS_PSUSTBY_REG;
57 
58 	*psustby_reg = ATLAS_GOSTBY;
59 }
60 #endif
61 
mips_reboot_setup(void)62 void mips_reboot_setup(void)
63 {
64 	_machine_restart = mips_machine_restart;
65 	_machine_halt = mips_machine_halt;
66 #if defined(CONFIG_MIPS_ATLAS)
67 	_machine_power_off = atlas_machine_power_off;
68 #endif
69 #if defined(CONFIG_MIPS_MALTA)
70 	_machine_power_off = mips_machine_halt;
71 #endif
72 }
73