linux/arch/arm/mach-gemini/include/mach/system.h
<<
>>
Prefs
   1/*
   2 *  Copyright (C) 2001-2006 Storlink, Corp.
   3 *  Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License as published by
   7 * the Free Software Foundation; either version 2 of the License, or
   8 * (at your option) any later version.
   9 */
  10#ifndef __MACH_SYSTEM_H
  11#define __MACH_SYSTEM_H
  12
  13#include <linux/io.h>
  14#include <mach/hardware.h>
  15#include <mach/global_reg.h>
  16
  17static inline void arch_idle(void)
  18{
  19        /*
  20         * Because of broken hardware we have to enable interrupts or the CPU
  21         * will never wakeup... Acctualy it is not very good to enable
  22         * interrupts here since scheduler can miss a tick, but there is
  23         * no other way around this. Platforms that needs it for power saving
  24         * should call enable_hlt() in init code, since by default it is
  25         * disabled.
  26         */
  27        local_irq_enable();
  28        cpu_do_idle();
  29}
  30
  31static inline void arch_reset(char mode, const char *cmd)
  32{
  33        __raw_writel(RESET_GLOBAL | RESET_CPU1,
  34                     IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_RESET);
  35}
  36
  37#endif /* __MACH_SYSTEM_H */
  38