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 | |