projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| a09e64fb | 2 | * arch/arm/mach-ixp4xx/include/mach/system.h |
| 1da177e4 LT |
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 | ||
| a09e64fb | 12 | #include <mach/hardware.h> |
| 1da177e4 LT |
13 | |
| 14 | static inline void arch_idle(void) | |
| 15 | { | |
| 74c32e72 MP |
16 | /* ixp4xx does not implement the XScale PWRMODE register, |
| 17 | * so it must not call cpu_do_idle() here. | |
| 18 | */ | |
| 1da177e4 | 19 | #if 0 |
| 74c32e72 | 20 | cpu_do_idle(); |
| 1da177e4 LT |
21 | #endif |
| 22 | } | |
| 23 | ||
| 24 | ||
| be093beb | 25 | static inline void arch_reset(char mode, const char *cmd) |
| 1da177e4 LT |
26 | { |
| 27 | if ( 1 && mode == 's') { | |
| 28 | /* Jump into ROM at address 0 */ | |
| 29 | cpu_reset(0); | |
| 30 | } else { | |
| 31 | /* Use on-chip reset capability */ | |
| 32 | ||
| 33 | /* set the "key" register to enable access to | |
| 34 | * "timer" and "enable" registers | |
| 35 | */ | |
| 36 | *IXP4XX_OSWK = IXP4XX_WDT_KEY; | |
| 37 | ||
| 38 | /* write 0 to the timer register for an immediate reset */ | |
| 39 | *IXP4XX_OSWT = 0; | |
| 40 | ||
| 41 | *IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE; | |
| 42 | } | |
| 43 | } | |
| 44 |