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      1 /*	$NetBSD: autoconf.c,v 1.7 2021/04/24 23:36:36 thorpej Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2006 Jachym Holecek
      5  * All rights reserved.
      6  *
      7  * Written for DFC Design, s.r.o.
      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  *
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  *
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
     34  * Copyright (C) 1995, 1996 TooLs GmbH.
     35  * All rights reserved.
     36  *
     37  * Redistribution and use in source and binary forms, with or without
     38  * modification, are permitted provided that the following conditions
     39  * are met:
     40  * 1. Redistributions of source code must retain the above copyright
     41  *    notice, this list of conditions and the following disclaimer.
     42  * 2. Redistributions in binary form must reproduce the above copyright
     43  *    notice, this list of conditions and the following disclaimer in the
     44  *    documentation and/or other materials provided with the distribution.
     45  * 3. All advertising materials mentioning features or use of this software
     46  *    must display the following acknowledgement:
     47  *	This product includes software developed by TooLs GmbH.
     48  * 4. The name of TooLs GmbH may not be used to endorse or promote products
     49  *    derived from this software without specific prior written permission.
     50  *
     51  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     52  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     53  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     54  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     55  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     56  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     57  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     58  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     59  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     60  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     61  */
     62 
     63 #include <sys/cdefs.h>
     64 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.7 2021/04/24 23:36:36 thorpej Exp $");
     65 
     66 #include <sys/param.h>
     67 #include <sys/conf.h>
     68 #include <sys/cpu.h>
     69 #include <sys/device_if.h>
     70 #include <sys/systm.h>
     71 
     72 #include <powerpc/ibm4xx/spr.h>
     73 
     74 #include <powerpc/ibm4xx/cpu.h>
     75 #include <powerpc/ibm4xx/dev/plbvar.h>
     76 
     77 
     78 /* List of port-specific devices to attach to the processor local bus. */
     79 static struct plb_dev local_plb_devs [] = {
     80 	{ XILVIRTEX, "xcvbus" },
     81 	{ 0, NULL }
     82 };
     83 
     84 /*
     85  * Determine device configuration for a machine.
     86  */
     87 void
     88 cpu_configure(void)
     89 {
     90 	intr_init();
     91 	calc_delayconst();
     92 
     93 	if (config_rootfound("plb", __UNCONST(&local_plb_devs)) == NULL)
     94 		panic("configure: plb not configured");
     95 
     96 	(void)spl0();
     97 }
     98 
     99 /*
    100  * Setup root device, configure swap area.
    101  */
    102 void
    103 cpu_rootconf(void)
    104 {
    105 	rootconf();
    106 }
    107