Commit | Line | Data |
---|---|---|
42a3b4f2 | 1 | /* |
1da177e4 LT |
2 | * Thomas Horsten <thh@lasat.com> |
3 | * Copyright (C) 2000 LASAT Networks A/S. | |
4 | * | |
5 | * This program is free software; you can distribute it and/or modify it | |
6 | * under the terms of the GNU General Public License (Version 2) as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 | * for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
17 | * | |
18 | * Reset the LASAT board. | |
19 | */ | |
20 | #include <linux/config.h> | |
21 | #include <linux/kernel.h> | |
22 | #include <asm/reboot.h> | |
23 | #include <asm/system.h> | |
24 | #include <asm/lasat/lasat.h> | |
25 | #include "picvue.h" | |
26 | #include "prom.h" | |
27 | ||
28 | static void lasat_machine_restart(char *command); | |
29 | static void lasat_machine_halt(void); | |
30 | ||
31 | /* Used to set machine to boot in service mode via /proc interface */ | |
32 | int lasat_boot_to_service = 0; | |
33 | ||
34 | static void lasat_machine_restart(char *command) | |
35 | { | |
36 | local_irq_disable(); | |
37 | ||
38 | if (lasat_boot_to_service) { | |
39 | printk("machine_restart: Rebooting to service mode\n"); | |
40 | *(volatile unsigned int *)0xa0000024 = 0xdeadbeef; | |
41 | *(volatile unsigned int *)0xa00000fc = 0xfedeabba; | |
42 | } | |
43 | *lasat_misc->reset_reg = 0xbedead; | |
44 | for (;;) ; | |
45 | } | |
46 | ||
47 | #define MESSAGE "System halted" | |
48 | static void lasat_machine_halt(void) | |
49 | { | |
50 | local_irq_disable(); | |
51 | ||
52 | /* Disable interrupts and loop forever */ | |
53 | printk(KERN_NOTICE MESSAGE "\n"); | |
54 | #ifdef CONFIG_PICVUE | |
55 | pvc_clear(); | |
56 | pvc_write_string(MESSAGE, 0, 0); | |
57 | #endif | |
58 | prom_monitor(); | |
59 | for (;;) ; | |
60 | } | |
61 | ||
62 | void lasat_reboot_setup(void) | |
63 | { | |
64 | _machine_restart = lasat_machine_restart; | |
65 | _machine_halt = lasat_machine_halt; | |
66 | _machine_power_off = lasat_machine_halt; | |
67 | } |