include/asm-arm/arch-ks8695/system.h

   1 /*
   2  *  linux/include/asm-arm/arch-ks8695/system.h
   3  *
   4  *  Copyright (C) 2002 Micrel Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 #ifndef __ASM_ARCH_SYSTEM_H
  21 #define __ASM_ARCH_SYSTEM_H
  22
  23 #include <asm/io.h>
  24 #include <asm/arch/ks8695-regs.h>
  25
  26 static void arch_idle(void)
  27 {
  28         /*
  29          * This should do all the clock switching
  30          * and wait for interrupt tricks
  31          */
  32         cpu_do_idle();
  33 }
  34
  35 static inline void arch_reset(char mode)
  36 {
  37         unsigned int val;
  38
  39         /* To reset, use the watchdog timer */
  40         val = __raw_readl(KS8695_REG(KS8695_TIMER_CTRL)) & 0x02;
  41         __raw_writel(val, KS8695_REG(KS8695_TIMER_CTRL));
  42         val = (10 << 8) | 0xFF;
  43         __raw_writel(val, KS8695_REG(KS8695_TIMER0));
  44         val = __raw_readl(KS8695_REG(KS8695_TIMER_CTRL)) | 0x01;
  45         __raw_writel(val, KS8695_REG(KS8695_TIMER_CTRL));
  46 }
  47
  48 #endif /* __ASM_ARCH_SYSTEM_H */