LXR linux/arch/mips/pnx833x/common/reset.c

   1/*
   2 *  reset.c: reset support for PNX833X.
   3 *
   4 *  Copyright 2008 NXP Semiconductors
   5 *        Chris Steel <chris.steel@nxp.com>
   6 *    Daniel Laird <daniel.j.laird@nxp.com>
   7 *
   8 *  Based on software written by:
   9 *      Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code.
  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 *  This program is distributed in the hope that it will be useful,
  17 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 *  GNU General Public License for more details.
  20 *
  21 *  You should have received a copy of the GNU General Public License
  22 *  along with this program; if not, write to the Free Software
  23 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  24 */
  25#include <linux/reboot.h>
  26#include <pnx833x.h>
  27
  28void pnx833x_machine_restart(char *command)
  29{
  30        PNX833X_RESET_CONTROL_2 = 0;
  31        PNX833X_RESET_CONTROL = 0;
  32}
  33
  34void pnx833x_machine_halt(void)
  35{
  36        while (1)
  37                __asm__ __volatile__ ("wait");
  38
  39}
  40
  41void pnx833x_machine_power_off(void)
  42{
  43        pnx833x_machine_halt();
  44}
  45