system.h
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上传日期:2013-02-24
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- /*
- * linux/include/asm-arm/arch-pxa/system.h
- *
- * Author: Nicolas Pitre
- * Created: Jun 15, 2001
- * Copyright: MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #include "hardware.h"
- static inline void arch_idle(void)
- {
- if (!hlt_counter) {
- int flags;
- local_irq_save(flags);
- if(!current->need_resched)
- cpu_do_idle(0);
- local_irq_restore(flags);
- }
- }
- static inline void arch_reset(char mode)
- {
- if (mode == 's') {
- /* Jump into ROM at address 0 */
- cpu_reset(0);
- } else {
- /* Initialize the watchdog and let it fire */
- OWER = OWER_WME;
- OSSR = OSSR_M3;
- OSMR3 = OSCR + 36864; /* ... in 10 ms */
- }
- }