system.h
上传用户:jlfgdled
上传日期:2013-04-10
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文件大小:1k
- /*
- * linux/include/asm-arm/arch-rpc/system.h
- *
- * Copyright (C) 1996-1999 Russell King.
- *
- * 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 <asm/arch/hardware.h>
- #include <asm/hardware/iomd.h>
- #include <asm/io.h>
- static void arch_idle(void)
- {
- unsigned long start_idle;
- start_idle = jiffies;
- do {
- if (current->need_resched || hlt_counter)
- goto slow_out;
- cpu_do_idle(IDLE_WAIT_FAST);
- } while (time_before(jiffies, start_idle + HZ/50));
- cpu_do_idle(IDLE_CLOCK_SLOW);
- while (!current->need_resched && !hlt_counter) {
- cpu_do_idle(IDLE_WAIT_SLOW);
- }
- cpu_do_idle(IDLE_CLOCK_FAST);
- slow_out:
- }
- static inline void arch_reset(char mode)
- {
- iomd_writeb(0, IOMD_ROMCR0);
- /*
- * Jump into the ROM
- */
- cpu_reset(0);
- }