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      1 /* $NetBSD: au_chipdep.c,v 1.5 2015/06/09 22:50:50 matt Exp $ */
      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: au_chipdep.c,v 1.5 2015/06/09 22:50:50 matt Exp $");
     36 
     37 #include <sys/param.h>
     38 #include <sys/bus.h>
     39 #include <sys/cpu.h>
     40 
     41 #include <mips/locore.h>
     42 #include <mips/alchemy/include/aureg.h>
     43 #include <mips/alchemy/include/auvar.h>
     44 
     45 struct au_chipdep *
     46 au_chipdep(void)
     47 {
     48 
     49 	static struct au_chipdep *au_chip = NULL;
     50 
     51 	if (au_chip != NULL)
     52 		return (au_chip);
     53 
     54 	if ((au_chip == NULL) &&
     55 #ifdef	ALCHEMY_AU1000
     56 	    (!au1000_match(&au_chip)) &&
     57 #endif
     58 #ifdef	ALCHEMY_AU1100
     59 	    (!au1100_match(&au_chip)) &&
     60 #endif
     61 #ifdef	ALCHEMY_AU1500
     62 	    (!au1500_match(&au_chip)) &&
     63 #endif
     64 #ifdef	ALCHEMY_AU1550
     65 	    (!au1550_match(&au_chip)) &&
     66 #endif
     67 	    (au_chip == NULL)) {
     68 		panic("Alchemy SOC %x either not configured or not supported!",
     69 		    mips_options.mips_cpu_id);
     70 	}
     71 	return (au_chip);
     72 }
     73