Ralf Baechle | 42a3b4f | 2005-09-03 15:56:17 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | #include <linux/kernel.h> |
Ralf Baechle | fcdb27a | 2006-01-18 17:37:07 +0000 | [diff] [blame] | 21 | #include <linux/pm.h> |
| 22 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #include <asm/reboot.h> |
| 24 | #include <asm/system.h> |
| 25 | #include <asm/lasat/lasat.h> |
Ralf Baechle | fcdb27a | 2006-01-18 17:37:07 +0000 | [diff] [blame] | 26 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include "picvue.h" |
| 28 | #include "prom.h" |
| 29 | |
| 30 | static void lasat_machine_restart(char *command); |
| 31 | static void lasat_machine_halt(void); |
| 32 | |
| 33 | /* Used to set machine to boot in service mode via /proc interface */ |
| 34 | int lasat_boot_to_service = 0; |
| 35 | |
| 36 | static void lasat_machine_restart(char *command) |
| 37 | { |
| 38 | local_irq_disable(); |
| 39 | |
| 40 | if (lasat_boot_to_service) { |
| 41 | printk("machine_restart: Rebooting to service mode\n"); |
| 42 | *(volatile unsigned int *)0xa0000024 = 0xdeadbeef; |
| 43 | *(volatile unsigned int *)0xa00000fc = 0xfedeabba; |
| 44 | } |
| 45 | *lasat_misc->reset_reg = 0xbedead; |
| 46 | for (;;) ; |
| 47 | } |
| 48 | |
| 49 | #define MESSAGE "System halted" |
| 50 | static void lasat_machine_halt(void) |
| 51 | { |
| 52 | local_irq_disable(); |
| 53 | |
| 54 | /* Disable interrupts and loop forever */ |
| 55 | printk(KERN_NOTICE MESSAGE "\n"); |
| 56 | #ifdef CONFIG_PICVUE |
| 57 | pvc_clear(); |
| 58 | pvc_write_string(MESSAGE, 0, 0); |
| 59 | #endif |
| 60 | prom_monitor(); |
| 61 | for (;;) ; |
| 62 | } |
| 63 | |
| 64 | void lasat_reboot_setup(void) |
| 65 | { |
| 66 | _machine_restart = lasat_machine_restart; |
| 67 | _machine_halt = lasat_machine_halt; |
Ralf Baechle | fcdb27a | 2006-01-18 17:37:07 +0000 | [diff] [blame] | 68 | pm_power_off = lasat_machine_halt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | } |