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ibus_pmax.c revision 1.11 
      1 /* $NetBSD: ibus_pmax.c,v 1.11 1999/12/08 00:04:11 simonb 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 
     35 __KERNEL_RCSID(0, "$NetBSD: ibus_pmax.c,v 1.11 1999/12/08 00:04:11 simonb Exp $");
     36 
     37 #include "opt_dec_3100.h"
     38 #include "opt_dec_5100.h"
     39 
     40 #include <sys/param.h>
     41 #include <sys/systm.h>
     42 #include <sys/device.h>
     43 
     44 #include <machine/cpu.h>
     45 #include <machine/intr.h>
     46 #include <pmax/ibus/ibusvar.h>
     47 #include <machine/autoconf.h>
     48 #include <pmax/pmax/kn01.h>
     49 #include <pmax/pmax/kn230.h>
     50 #include <pmax/pmax/pmaxtype.h>
     51 
     52 
     53 static int  ibus_pmax_match __P((struct device *, struct cfdata *, void *));
     54 static void ibus_pmax_attach __P((struct device *, struct device *, void *));
     55 
     56 struct cfattach ibus_pmax_ca = {
     57 	sizeof(struct ibus_softc), ibus_pmax_match, ibus_pmax_attach
     58 };
     59 
     60 #define KV(x) MIPS_PHYS_TO_KSEG1(x)
     61 
     62 #ifdef DEC_3100
     63 struct ibus_attach_args ibus_pmax_devs[] = {
     64 	{ "pm",		0,	KV(KN01_PHYS_FBUF_START),	0	},
     65 	{ "dc",		1,	KV(KN01_SYS_DZ),		0	},
     66 	{ "lance",	2,	KV(KN01_SYS_LANCE),		0	},
     67 	{ "sii",	3,	KV(KN01_SYS_SII),		0	},
     68 	{ "mc146818",	4,	KV(KN01_SYS_CLOCK),		0	},
     69 };
     70 const int ibus_pmax_ndevs = sizeof(ibus_pmax_devs) / sizeof(ibus_pmax_devs[0]);
     71 #endif /* DEC_3100 */
     72 
     73 #ifdef DEC_5100
     74 struct ibus_attach_args ibus_mipsmate_devs[] = {
     75 	{ "dc",		1,	KV(KN230_SYS_DZ0),		0	},
     76 	{ "lance",	2,	KV(KN230_SYS_LANCE),		0	},
     77 	{ "sii",	3,	KV(KN230_SYS_SII),		0	},
     78 	{ "mc146818",	4,	KV(KN230_SYS_CLOCK),		0	},
     79 #if 0	/* 5100 locks up when these are probed at the moment */
     80 	{ "dc",		5,	KV(KN230_SYS_DZ1),		2	},
     81 	{ "dc",		6,	KV(KN230_SYS_DZ2),		2	},
     82 #endif
     83 #if 0
     84 	/*
     85 	 * Ultrix configures it at 0x86400400.  The first 0x400 bytes
     86 	 * used for NVRAM state??
     87 	 */
     88 	{ "nvram",	7,	KV(0x86400000),			0	},
     89 #endif
     90 };
     91 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 int
     98 ibus_pmax_match(parent, cfdata, aux)
     99         struct device *parent;
    100         struct cfdata *cfdata;
    101 	void *aux;
    102 {
    103 	struct mainbus_attach_args *ma = aux;
    104 
    105 	if (ibus_attached)
    106 		return 0;
    107 	if (systype != DS_PMAX && systype != DS_MIPSMATE)
    108 		return 0;
    109 	if (strcmp(ma->ma_name, "baseboard") != 0)
    110 		return 0;
    111 
    112 	return 1;
    113 }
    114 
    115 void
    116 ibus_pmax_attach(parent, self, aux)
    117         struct device *parent, *self;
    118         void *aux;
    119 {
    120 	struct ibus_dev_attach_args ida;
    121 
    122 	ibus_attached = 1;
    123 
    124 	ida.ida_busname = "ibus";
    125 	switch (systype) {
    126 #ifdef DEC_3100
    127 	case DS_PMAX:
    128 		ida.ida_devs = ibus_pmax_devs;
    129 		ida.ida_ndevs = ibus_pmax_ndevs;
    130 		ida.ida_establish = dec_3100_intr_establish;
    131 		ida.ida_disestablish = dec_3100_intr_disestablish;
    132 		break;
    133 #endif
    134 #ifdef DEC_5100
    135 	case DS_MIPSMATE:
    136 		ida.ida_devs = ibus_mipsmate_devs;
    137 		ida.ida_ndevs = ibus_mipsmate_ndevs;
    138 		ida.ida_establish = dec_5100_intr_establish;
    139 		ida.ida_disestablish = dec_5100_intr_disestablish;
    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