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ibus_pmax.c revision 1.16 
      1 /*	$NetBSD: ibus_pmax.c,v 1.16 2000/02/29 04:41:48 nisimura Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 Jonathan Stone.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Jonathan Stone for
     17  *      the NetBSD Project.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
     34 __KERNEL_RCSID(0, "$NetBSD: ibus_pmax.c,v 1.16 2000/02/29 04:41:48 nisimura Exp $");
     35 
     36 #include "opt_dec_3100.h"
     37 #include "opt_dec_5100.h"
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/device.h>
     42 
     43 #include <pmax/ibus/ibusvar.h>
     44 
     45 #include <machine/autoconf.h>
     46 #include <machine/sysconf.h>
     47 
     48 #include <pmax/pmax/kn01.h>
     49 #include <pmax/pmax/kn230.h>
     50 #include <pmax/pmax/pmaxtype.h>
     51 
     52 static int	ibus_pmax_match __P((struct device *, struct cfdata *, void *));
     53 static void	ibus_pmax_attach __P((struct device *, struct device *, void *));
     54 
     55 struct cfattach ibus_pmax_ca = {
     56 	sizeof(struct ibus_softc), ibus_pmax_match, ibus_pmax_attach
     57 };
     58 
     59 #define KV(x)	MIPS_PHYS_TO_KSEG1(x)
     60 
     61 #ifdef DEC_3100
     62 static struct ibus_attach_args ibus_pmax_devs[] = {
     63         { "pm",         SYS_DEV_BOGUS,	KV(KN01_PHYS_FBUF_START), 0	},
     64         { "dc",         SYS_DEV_SCC0,	KV(KN01_SYS_DZ),        0	},
     65         { "lance",      SYS_DEV_LANCE,	KV(KN01_SYS_LANCE),     0	},
     66         { "sii",        SYS_DEV_SCSI,	KV(KN01_SYS_SII),       0	},
     67         { "mc146818",   SYS_DEV_BOGUS,	KV(KN01_SYS_CLOCK),     0	},
     68 };
     69 static const int ibus_pmax_ndevs =
     70 	sizeof(ibus_pmax_devs)/sizeof(ibus_pmax_devs[0]);
     71 #endif /* DEC_3100 */
     72 
     73 #ifdef DEC_5100
     74 static struct ibus_attach_args ibus_mipsmate_devs[] = {
     75 	{ "dc",		SYS_DEV_SCC0,	KV(KN230_SYS_DZ0),	0 },
     76 	{ "lance",	SYS_DEV_LANCE,	KV(KN230_SYS_LANCE),	0 },
     77 	{ "sii",	SYS_DEV_SCSI,	KV(KN230_SYS_SII),	0 },
     78 	{ "mc146818",	SYS_DEV_BOGUS,	KV(KN230_SYS_CLOCK),	0 },
     79 #if 0	/* 5100 locks up when these are probed at the moment */
     80 	{ "dc",		SYS_DEV_OPT0,	KV(KN230_SYS_DZ1),	0 },
     81 	{ "dc",		SYS_DEV_OPT1,	KV(KN230_SYS_DZ2),	0 },
     82 	/*
     83 	 * Ultrix configures it at 0x86400400.  The first 0x400 bytes
     84 	 * used for NVRAM state??
     85 	 *
     86 	 * The first 0x400 bytes are apparently used for diagnostic
     87 	 * registers - ad
     88 	 */
     89 	{ "nvram",	SYS_DEV_BOGUS,	KV(0x86400000),		0 },
     90 #endif
     91 };
     92 static const int ibus_mipsmate_ndevs =
     93 	sizeof(ibus_mipsmate_devs)/sizeof(ibus_mipsmate_devs[0]);
     94 #endif /* DEC_5100 */
     95 
     96 static int ibus_attached;
     97 
     98 static int
     99 ibus_pmax_match(parent, cfdata, aux)
    100         struct device *parent;
    101         struct cfdata *cfdata;
    102 	void *aux;
    103 {
    104 	struct mainbus_attach_args *ma = aux;
    105 
    106 	if (ibus_attached)
    107 		return (0);
    108 	if (systype != DS_PMAX && systype != DS_MIPSMATE)
    109 		return (0);
    110 	if (strcmp(ma->ma_name, "baseboard") != 0)
    111 		return (0);
    112 
    113 	return (1);
    114 }
    115 
    116 static void
    117 ibus_pmax_attach(parent, self, aux)
    118         struct device *parent, *self;
    119         void *aux;
    120 {
    121 	struct ibus_dev_attach_args ida;
    122 
    123 	ibus_attached = 1;
    124 
    125 	ida.ida_busname = "ibus";
    126 	switch (systype) {
    127 #ifdef DEC_3100
    128 	case DS_PMAX:
    129 		ida.ida_devs = ibus_pmax_devs;
    130 		ida.ida_ndevs = ibus_pmax_ndevs;
    131 		break;
    132 #endif
    133 #ifdef DEC_5100
    134 	case DS_MIPSMATE:
    135 		ida.ida_devs = ibus_mipsmate_devs;
    136 		ida.ida_ndevs = ibus_mipsmate_ndevs;
    137 		break;
    138 #endif
    139 	default:
    140 		panic("ibus_pmax_attach: no ibus configured for systype = %d", systype);
    141 	}
    142 
    143 	ibusattach(parent, self, &ida);
    144 }
    145