| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
| Uwe Zeisberger | f30c226 | 2006-10-03 23:01:26 +0200 | [diff] [blame] | 2 |  * include/asm-arm/arch-ixp4xx/system.h | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 |  * | 
 | 4 |  * Copyright (C) 2002 Intel Corporation. | 
 | 5 |  * | 
 | 6 |  * This program is free software; you can redistribute it and/or modify | 
 | 7 |  * it under the terms of the GNU General Public License version 2 as | 
 | 8 |  * published by the Free Software Foundation. | 
 | 9 |  * | 
 | 10 |  */ | 
 | 11 |  | 
 | 12 | #include <asm/hardware.h> | 
 | 13 |  | 
 | 14 | static inline void arch_idle(void) | 
 | 15 | { | 
 | 16 | #if 0 | 
 | 17 | 	if (!hlt_counter) | 
 | 18 | 		cpu_do_idle(0); | 
 | 19 | #endif | 
 | 20 | } | 
 | 21 |  | 
 | 22 |  | 
 | 23 | static inline void arch_reset(char mode) | 
 | 24 | { | 
 | 25 | 	if ( 1 && mode == 's') { | 
 | 26 | 		/* Jump into ROM at address 0 */ | 
 | 27 | 		cpu_reset(0); | 
 | 28 | 	} else { | 
 | 29 | 		/* Use on-chip reset capability */ | 
 | 30 |  | 
 | 31 | 		/* set the "key" register to enable access to | 
 | 32 | 		 * "timer" and "enable" registers | 
 | 33 | 		 */ | 
 | 34 | 		*IXP4XX_OSWK = IXP4XX_WDT_KEY; | 
 | 35 |  | 
 | 36 | 		/* write 0 to the timer register for an immediate reset */ | 
 | 37 | 		*IXP4XX_OSWT = 0; | 
 | 38 |  | 
 | 39 | 		*IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE; | 
 | 40 | 	} | 
 | 41 | } | 
 | 42 |  |