Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/include/asm-arm/arch-pxa/system.h |
| 3 | * |
| 4 | * Author: Nicolas Pitre |
| 5 | * Created: Jun 15, 2001 |
| 6 | * Copyright: MontaVista Software Inc. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
Richard Purdie | 74617fb | 2006-06-19 19:57:12 +0100 | [diff] [blame] | 13 | #include <asm/proc-fns.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | #include "hardware.h" |
Russell King | 0b0a9df | 2008-05-18 14:59:36 +0100 | [diff] [blame] | 15 | #include "pxa2xx-regs.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | #include "pxa-regs.h" |
| 17 | |
| 18 | static inline void arch_idle(void) |
| 19 | { |
| 20 | cpu_do_idle(); |
| 21 | } |
| 22 | |
| 23 | |
| 24 | static inline void arch_reset(char mode) |
| 25 | { |
Russell King | dc38e2a | 2008-05-08 16:50:39 +0100 | [diff] [blame] | 26 | if (cpu_is_pxa2xx()) |
| 27 | RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR; |
Dmitry Baryshkov | d393061 | 2008-04-21 11:54:13 +0100 | [diff] [blame] | 28 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | if (mode == 's') { |
| 30 | /* Jump into ROM at address 0 */ |
| 31 | cpu_reset(0); |
| 32 | } else { |
| 33 | /* Initialize the watchdog and let it fire */ |
| 34 | OWER = OWER_WME; |
| 35 | OSSR = OSSR_M3; |
| 36 | OSMR3 = OSCR + 368640; /* ... in 100 ms */ |
| 37 | } |
| 38 | } |
| 39 | |