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ibus_pmax.c revision 1.15 
      1 /*	$NetBSD: ibus_pmax.c,v 1.15 2000/01/14 15:52:33 ad 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 1.15 2000/01/14 15:52:33 ad 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 struct ibus_attach_args ibus_pmax_devs[] = {
     63 	{ "pm",		0,	KV(KN01_PHYS_FBUF_START),	0	},
     64 	{ "dc",		1,	KV(KN01_SYS_DZ),		0	},
     65 	{ "lance",	2,	KV(KN01_SYS_LANCE),		0	},
     66 	{ "sii",	3,	KV(KN01_SYS_SII),		0	},
     67 	{ "mc146818",	4,	KV(KN01_SYS_CLOCK),		0	},
     68 };
     69 const int ibus_pmax_ndevs = sizeof(ibus_pmax_devs) / sizeof(ibus_pmax_devs[0]);
     70 #endif /* DEC_3100 */
     71 
     72 #ifdef DEC_5100
     73 struct ibus_attach_args ibus_mipsmate_devs[] = {
     74 	{ "dc",		1,	KV(KN230_SYS_DZ0),		0	},
     75 	{ "lance",	2,	KV(KN230_SYS_LANCE),		0	},
     76 	{ "sii",	3,	KV(KN230_SYS_SII),		0	},
     77 	{ "mc146818",	4,	KV(KN230_SYS_CLOCK),		0	},
     78 #if 0	/* 5100 locks up when these are probed at the moment */
     79 	{ "dc",		5,	KV(KN230_SYS_DZ1),		2	},
     80 	{ "dc",		6,	KV(KN230_SYS_DZ2),		2	},
     81 #endif
     82 #if 0
     83 	/*
     84 	 * Ultrix configures it at 0x86400400.  The first 0x400 bytes
     85 	 * used for NVRAM state??
     86 	 *
     87 	 * The first 0x400 bytes are apparently used for diagnostic
     88 	 * registers - ad
     89 	 */
     90 	{ "nvram",	7,	KV(0x86400000),			0	},
     91 #endif
     92 };
     93 const int ibus_mipsmate_ndevs =
     94 	sizeof(ibus_mipsmate_devs) / sizeof(ibus_mipsmate_devs[0]);
     95 #endif /* DEC_5100 */
     96 
     97 static int ibus_attached;
     98 
     99 int
    100 ibus_pmax_match(parent, cfdata, aux)
    101         struct device *parent;
    102         struct cfdata *cfdata;
    103 	void *aux;
    104 {
    105 	struct mainbus_attach_args *ma = aux;
    106 
    107 	if (ibus_attached)
    108 		return (0);
    109 	if (systype != DS_PMAX && systype != DS_MIPSMATE)
    110 		return (0);
    111 	if (strcmp(ma->ma_name, "baseboard") != 0)
    112 		return (0);
    113 
    114 	return (1);
    115 }
    116 
    117 void
    118 ibus_pmax_attach(parent, self, aux)
    119         struct device *parent, *self;
    120         void *aux;
    121 {
    122 	struct ibus_dev_attach_args ida;
    123 
    124 	ibus_attached = 1;
    125 
    126 	ida.ida_busname = "ibus";
    127 	ida.ida_establish = platform.intr_establish;
    128 	ida.ida_disestablish = platform.intr_disestablish;
    129 	switch (systype) {
    130 #ifdef DEC_3100
    131 	case DS_PMAX:
    132 		ida.ida_devs = ibus_pmax_devs;
    133 		ida.ida_ndevs = ibus_pmax_ndevs;
    134 		break;
    135 #endif
    136 #ifdef DEC_5100
    137 	case DS_MIPSMATE:
    138 		ida.ida_devs = ibus_mipsmate_devs;
    139 		ida.ida_ndevs = ibus_mipsmate_ndevs;
    140 		break;
    141 #endif
    142 	default:
    143 		panic("ibus_pmax_attach: no ibus configured for systype = %d", systype);
    144 	}
    145 
    146 	ibusattach(parent, self, &ida);
    147 }
    148