1 /* 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/kernel.h> 21 #include <linux/pm.h> 22 23 #include <asm/reboot.h> 24 #include <asm/lasat/lasat.h> 25 26 #include "picvue.h" 27 #include "prom.h" 28 29 static void lasat_machine_restart(char *command); 30 static void lasat_machine_halt(void); 31 32 /* Used to set machine to boot in service mode via /proc interface */ 33 int lasat_boot_to_service; 34 lasat_machine_restart(char * command)35static void lasat_machine_restart(char *command) 36 { 37 local_irq_disable(); 38 39 if (lasat_boot_to_service) { 40 *(volatile unsigned int *)0xa0000024 = 0xdeadbeef; 41 *(volatile unsigned int *)0xa00000fc = 0xfedeabba; 42 } 43 *lasat_misc->reset_reg = 0xbedead; 44 for (;;) ; 45 } 46 lasat_machine_halt(void)47static void lasat_machine_halt(void) 48 { 49 local_irq_disable(); 50 51 prom_monitor(); 52 for (;;) ; 53 } 54 lasat_reboot_setup(void)55void lasat_reboot_setup(void) 56 { 57 _machine_restart = lasat_machine_restart; 58 _machine_halt = lasat_machine_halt; 59 pm_power_off = lasat_machine_halt; 60 } 61