| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
 | 2 |  * Reset a DECstation machine. | 
 | 3 |  * | 
 | 4 |  * Copyright (C) 199x  the Anonymous | 
 | 5 |  * Copyright (C) 2001, 2002, 2003  Maciej W. Rozycki | 
 | 6 |  */ | 
 | 7 | #include <linux/interrupt.h> | 
 | 8 | #include <linux/linkage.h> | 
 | 9 |  | 
 | 10 | #include <asm/addrspace.h> | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 |  | 
| Robert P. J. Day | b3f6df9 | 2007-05-25 14:32:28 -0400 | [diff] [blame] | 12 | typedef void __noreturn (* noret_func_t)(void); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 |  | 
| Robert P. J. Day | b3f6df9 | 2007-05-25 14:32:28 -0400 | [diff] [blame] | 14 | static inline void __noreturn back_to_prom(void) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | { | 
| Maciej W. Rozycki | 3bd4c90 | 2005-06-16 20:30:54 +0000 | [diff] [blame] | 16 | 	noret_func_t func = (void *)CKSEG1ADDR(0x1fc00000); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 |  | 
 | 18 | 	func(); | 
 | 19 | } | 
 | 20 |  | 
| Robert P. J. Day | b3f6df9 | 2007-05-25 14:32:28 -0400 | [diff] [blame] | 21 | void __noreturn dec_machine_restart(char *command) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | { | 
 | 23 | 	back_to_prom(); | 
 | 24 | } | 
 | 25 |  | 
| Robert P. J. Day | b3f6df9 | 2007-05-25 14:32:28 -0400 | [diff] [blame] | 26 | void __noreturn dec_machine_halt(void) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | { | 
 | 28 | 	back_to_prom(); | 
 | 29 | } | 
 | 30 |  | 
| Robert P. J. Day | b3f6df9 | 2007-05-25 14:32:28 -0400 | [diff] [blame] | 31 | void __noreturn dec_machine_power_off(void) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | { | 
 | 33 |     /* DECstations don't have a software power switch */ | 
 | 34 | 	back_to_prom(); | 
 | 35 | } | 
 | 36 |  | 
| Ralf Baechle | d62801e | 2006-10-08 17:38:18 +0100 | [diff] [blame] | 37 | irqreturn_t dec_intr_halt(int irq, void *dev_id) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | { | 
 | 39 | 	dec_machine_halt(); | 
 | 40 | } |