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system.h

/*
 *
 * arch/arm/mach-u300/include/mach/system.h
 *
 *
 * Copyright (C) 2007-2009 ST-Ericsson AB
 * License terms: GNU General Public License (GPL) version 2
 * System shutdown and reset functions.
 * Author: Linus Walleij <linus.walleij@stericsson.com>
 */
#include <mach/hardware.h>
#include <asm/io.h>
#include <asm/hardware/vic.h>
#include <asm/irq.h>

/* Forward declare this function from the watchdog */
void coh901327_watchdog_reset(void);

static inline void arch_idle(void)
{
      cpu_do_idle();
}

static void arch_reset(char mode, const char *cmd)
{
      switch (mode) {
      case 's':
      case 'h':
            printk(KERN_CRIT "RESET: shutting down/rebooting system\n");
            /* Disable interrupts */
            local_irq_disable();
#ifdef CONFIG_COH901327_WATCHDOG
            coh901327_watchdog_reset();
#endif
            break;
      default:
            /* Do nothing */
            break;
      }
      /* Wait for system do die/reset. */
      while (1);
}

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