release/src-rt-6.x.4708/linux/linux-2.6.36/arch/mips/mti-malta/malta-reset.c

   1 /*
   2  * Carsten Langgaard, carstenl@mips.com
   3  * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
   4  *
   5  * ########################################################################
   6  *
   7  *  This program is free software; you can distribute it and/or modify it
   8  *  under the terms of the GNU General Public License (Version 2) as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope it will be useful, but WITHOUT
  12  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  *  for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  19  *
  20  * ########################################################################
  21  *
  22  * Reset the MIPS boards.
  23  *
  24  */
  25 #include <linux/init.h>
  26 #include <linux/pm.h>
  27
  28 #include <asm/io.h>
  29 #include <asm/reboot.h>
  30 #include <asm/mips-boards/generic.h>
  31
  32 static void mips_machine_restart(char *command)
  33 {
  34         unsigned int __iomem *softres_reg =
  35                 ioremap(SOFTRES_REG, sizeof(unsigned int));
  36
  37         __raw_writel(GORESET, softres_reg);
  38 }
  39
  40 static void mips_machine_halt(void)
  41 {
  42         unsigned int __iomem *softres_reg =
  43                 ioremap(SOFTRES_REG, sizeof(unsigned int));
  44
  45         __raw_writel(GORESET, softres_reg);
  46 }
  47
  48
  49 static int __init mips_reboot_setup(void)
  50 {
  51         _machine_restart = mips_machine_restart;
  52         _machine_halt = mips_machine_halt;
  53         pm_power_off = mips_machine_halt;
  54
  55         return 0;
  56 }
  57
  58 arch_initcall(mips_reboot_setup);