release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-w90x900/include/mach/system.h

   1 /*
   2  * arch/arm/mach-w90x900/include/mach/system.h
   3  *
   4  * Copyright (c) 2008 Nuvoton technology corporation
   5  * All rights reserved.
   6  *
   7  * Wan ZongShun <mcuos.com@gmail.com>
   8  *
   9  * Based on arch/arm/mach-s3c2410/include/mach/system.h
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  */
  17
  18 #include <linux/io.h>
  19 #include <asm/proc-fns.h>
  20 #include <mach/map.h>
  21 #include <mach/regs-timer.h>
  22
  23 #define WTCR    (TMR_BA + 0x1C)
  24 #define WTCLK   (1 << 10)
  25 #define WTE     (1 << 7)
  26 #define WTRE    (1 << 1)
  27
  28 static void arch_idle(void)
  29 {
  30 }
  31
  32 static void arch_reset(char mode, const char *cmd)
  33 {
  34         if (mode == 's') {
  35                 /* Jump into ROM at address 0 */
  36                 cpu_reset(0);
  37         } else {
  38                 __raw_writel(WTE | WTRE | WTCLK, WTCR);
  39         }
  40 }