sys/arch/sparc/dev/power.h

   1 /*      $NetBSD: power.h,v 1.4 1998/03/21 20:14:14 pk Exp $ */
   2
   3 /*
   4  * Copyright (c) 1996
   5  *      The President and Fellows of Harvard College. All rights reserved.
   6  *
   7  * All advertising materials mentioning features or use of this software
   8  * must display the following acknowledgement:
   9  *      This product includes software developed by Aaron Brown and
  10  *      Harvard University.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  *
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  * 3. All advertising materials mentioning features or use of this software
  22  *    must display the following acknowledgement:
  23  *      This product includes software developed by Harvard University
  24  *      and its contributors.
  25  * 4. Neither the name of the University nor the names of its contributors
  26  *    may be used to endorse or promote products derived from this software
  27  *    without specific prior written permission.
  28  *
  29  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  30  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  33  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  34  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  35  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  37  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  38  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  39  * SUCH DAMAGE.
  40  */
  41
  42 /*
  43  * Sun-4m power register.  This register allows the computer to power itself
  44  * down.
  45  */
  46
  47 #define POWER_OFF       0x1     /* remove power */
  48
  49 #define POWER_REG       ((volatile uint8_t *)(power_reg))
  50
  51 #define POWER_BITS      "\20\1POWEROFF"
  52
  53 #ifndef _LOCORE
  54 volatile uint8_t *power_reg;
  55 #endif
  56
  57 extern void powerdown(void);    /* power off function */