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ibus_pmax.c revision 1.20 
      1 /*	$NetBSD: ibus_pmax.c,v 1.20 2009/03/14 15:36:11 dsl 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 1.20 2009/03/14 15:36:11 dsl 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(struct device *, struct cfdata *, void *);
     53 static void	ibus_pmax_attach(struct device *, struct device *, void *);
     54 
     55 CFATTACH_DECL(ibus_pmax, sizeof(struct ibus_softc),
     56     ibus_pmax_match, ibus_pmax_attach, NULL, NULL);
     57 
     58 #define KV(x)	MIPS_PHYS_TO_KSEG1(x)
     59 
     60 #ifdef DEC_3100
     61 static struct ibus_attach_args ibus_pmax_devs[] = {
     62         { "pm",         SYS_DEV_BOGUS,	KV(KN01_PHYS_FBUF_START), 0	},
     63         { "dc",         SYS_DEV_SCC0,	KV(KN01_SYS_DZ),        0	},
     64         { "lance",      SYS_DEV_LANCE,	KV(KN01_SYS_LANCE),     0	},
     65         { "sii",        SYS_DEV_SCSI,	KV(KN01_SYS_SII),       0	},
     66         { "mc146818",   SYS_DEV_BOGUS,	KV(KN01_SYS_CLOCK),     0	},
     67 };
     68 static const int ibus_pmax_ndevs =
     69 	sizeof(ibus_pmax_devs)/sizeof(ibus_pmax_devs[0]);
     70 #endif /* DEC_3100 */
     71 
     72 #ifdef DEC_5100
     73 static struct ibus_attach_args ibus_mipsmate_devs[] = {
     74 	{ "dc",		SYS_DEV_SCC0,	KV(KN230_SYS_DZ0),	0 },
     75 	{ "lance",	SYS_DEV_LANCE,	KV(KN230_SYS_LANCE),	0 },
     76 	{ "sii",	SYS_DEV_SCSI,	KV(KN230_SYS_SII),	0 },
     77 	{ "mc146818",	SYS_DEV_BOGUS,	KV(KN230_SYS_CLOCK),	0 },
     78 #if 0	/* 5100 locks up when these are probed at the moment */
     79 	{ "dc",		SYS_DEV_OPT0,	KV(KN230_SYS_DZ1),	0 },
     80 	{ "dc",		SYS_DEV_OPT1,	KV(KN230_SYS_DZ2),	0 },
     81 	/*
     82 	 * Ultrix configures it at 0x86400400.  The first 0x400 bytes
     83 	 * used for NVRAM state??
     84 	 *
     85 	 * The first 0x400 bytes are apparently used for diagnostic
     86 	 * registers - ad
     87 	 */
     88 	{ "nvram",	SYS_DEV_BOGUS,	KV(0x86400000),		0 },
     89 #endif
     90 };
     91 static const int ibus_mipsmate_ndevs =
     92 	sizeof(ibus_mipsmate_devs)/sizeof(ibus_mipsmate_devs[0]);
     93 #endif /* DEC_5100 */
     94 
     95 static int ibus_attached;
     96 
     97 static int
     98 ibus_pmax_match(struct device *parent, struct cfdata *cfdata, void *aux)
     99 {
    100 	struct mainbus_attach_args *ma = aux;
    101 
    102 	if (ibus_attached)
    103 		return (0);
    104 	if (systype != DS_PMAX && systype != DS_MIPSMATE)
    105 		return (0);
    106 	if (strcmp(ma->ma_name, "baseboard") != 0)
    107 		return (0);
    108 
    109 	return (1);
    110 }
    111 
    112 static void
    113 ibus_pmax_attach(parent, self, aux)
    114         struct device *parent, *self;
    115         void *aux;
    116 {
    117 	struct ibus_dev_attach_args ida;
    118 
    119 	ibus_attached = 1;
    120 
    121 	ida.ida_busname = "ibus";
    122 	switch (systype) {
    123 #ifdef DEC_3100
    124 	case DS_PMAX:
    125 		ida.ida_devs = ibus_pmax_devs;
    126 		ida.ida_ndevs = ibus_pmax_ndevs;
    127 		break;
    128 #endif
    129 #ifdef DEC_5100
    130 	case DS_MIPSMATE:
    131 		ida.ida_devs = ibus_mipsmate_devs;
    132 		ida.ida_ndevs = ibus_mipsmate_ndevs;
    133 		break;
    134 #endif
    135 	default:
    136 		panic("ibus_pmax_attach: no ibus configured for systype = %d", systype);
    137 	}
    138 
    139 	ibusattach(parent, self, &ida);
    140 }
    141