sys/arch/mips/alchemy/au_chipdep.c

   1 /* $NetBSD$ */
   2
   3 /*-
   4  * Copyright (c) 2006 Itronix Inc.
   5  * All rights reserved.
   6  *
   7  * Written by Garrett D'Amore for Itronix Inc.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. The name of Itronix Inc. may not be used to endorse
  18  *    or promote products derived from this software without specific
  19  *    prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
  25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  28  * ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <sys/cdefs.h>
  35 __KERNEL_RCSID(0, "$NetBSD$");
  36
  37 #include <sys/param.h>
  38 #include <machine/bus.h>
  39 #include <machine/locore.h>
  40 #include <mips/alchemy/include/aureg.h>
  41 #include <mips/alchemy/include/auvar.h>
  42
  43 struct au_chipdep *
  44 au_chipdep(void)
  45 {
  46
  47         static struct au_chipdep *au_chip = NULL;
  48
  49         if (au_chip != NULL)
  50                 return (au_chip);
  51
  52         if ((au_chip == NULL) &&
  53 #ifdef  ALCHEMY_AU1000
  54             (!au1000_match(&au_chip)) &&
  55 #endif
  56 #ifdef  ALCHEMY_AU1100
  57             (!au1100_match(&au_chip)) &&
  58 #endif
  59 #ifdef  ALCHEMY_AU1500
  60             (!au1500_match(&au_chip)) &&
  61 #endif
  62 #ifdef  ALCHEMY_AU1550
  63             (!au1550_match(&au_chip)) &&
  64 #endif
  65             (au_chip == NULL)) {
  66                 panic("Alchemy SOC %x either not configured or not supported!",
  67                     cpu_id);
  68         }
  69         return (au_chip);
  70 }