arch/arm/mach-lpc32xx/include/mach/system.h

   1 /*
   2  * arch/arm/mach-lpc32xx/include/mach/system.h
   3  *
   4  * Author: Kevin Wells <kevin.wells@nxp.com>
   5  *
   6  * Copyright (C) 2010 NXP Semiconductors
   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 as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  */
  18
  19 #ifndef __ASM_ARCH_SYSTEM_H
  20 #define __ASM_ARCH_SYSTEM_H
  21
  22 static void arch_idle(void)
  23 {
  24         cpu_do_idle();
  25 }
  26
  27 static inline void arch_reset(char mode, const char *cmd)
  28 {
  29         extern void lpc32xx_watchdog_reset(void);
  30
  31         switch (mode) {
  32         case 's':
  33         case 'h':
  34                 printk(KERN_CRIT "RESET: Rebooting system\n");
  35
  36                 /* Disable interrupts */
  37                 local_irq_disable();
  38
  39                 lpc32xx_watchdog_reset();
  40                 break;
  41
  42         default:
  43                 /* Do nothing */
  44                 break;
  45         }
  46
  47         /* Wait for watchdog to reset system */
  48         while (1)
  49                 ;
  50 }
  51
  52 #endif