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ibus_pmax.c revision 1.5 
      1 /* $NetBSD: ibus_pmax.c,v 1.5 1999/11/19 02:11:47 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 1.5 1999/11/19 02:11:47 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/pmaxtype.h>
     50 
     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 extern void dec_3100_intr_establish __P((struct device *, void *,
     60 		int, int (*)(void *), void *));
     61 extern void dec_3100_intr_disestablish __P((struct device *, void *));
     62 
     63 extern void dec_5100_intr_establish __P((struct device *, void *,
     64 		int, int (*)(void *), void *));
     65 extern void dec_5100_intr_disestablish __P((struct device *, void *));
     66 
     67 #define KV(x) MIPS_PHYS_TO_KSEG1(x)
     68 
     69 static struct ibus_attach_args kn01_devs[] = {
     70 	/* name     cookie   addr			  */
     71 	{ "pm",		0, KV(KN01_PHYS_FBUF_START)	},
     72 	{ "dc",  	1, KV(KN01_SYS_DZ)		},
     73 	{ "lance", 	2, KV(KN01_SYS_LANCE)		},
     74 	{ "sii",	3, KV(KN01_SYS_SII)		},
     75 	{ "mc146818",	4, KV(KN01_SYS_CLOCK)		},
     76 #ifdef notyet
     77 	{ "dc",  	5, KV(0x15000000),		},
     78 	{ "dc",  	6, KV(0x15200000),		},
     79 	/*
     80 	 * XXX Ultrix configures at 0x86400400. the first 0x400 byte are
     81 	 * used for NVRAM state??
     82 	 */
     83 	{ "nvram",	7, KV(0x86400000),		},
     84 #endif
     85 };
     86 
     87 static int ibus_attached;
     88 
     89 int
     90 ibus_pmax_match(parent, cfdata, aux)
     91         struct device *parent;
     92         struct cfdata *cfdata;
     93 	void *aux;
     94 {
     95 	struct mainbus_attach_args *ma = aux;
     96 
     97 	if (ibus_attached)
     98 		return 0;
     99 	if (systype != DS_PMAX && systype != DS_MIPSMATE)
    100 		return 0;
    101 	if (strcmp(ma->ma_name, "baseboard") != 0)
    102 		return 0;
    103 
    104 	return 1;
    105 }
    106 
    107 void
    108 ibus_pmax_attach(parent, self, aux)
    109         struct device *parent, *self;
    110         void *aux;
    111 {
    112 	struct ibus_dev_attach_args ida;
    113 
    114 	ibus_attached = 1;
    115 
    116 	ida.ida_busname = "ibus";
    117 	ida.ida_devs = kn01_devs;
    118 	ida.ida_ndevs = sizeof(kn01_devs) / sizeof(kn01_devs[0]);
    119 	switch (systype) {
    120 #ifdef DEC_3100
    121 	case DS_PMAX:
    122 		ida.ida_establish = dec_3100_intr_establish;
    123 		ida.ida_disestablish = dec_3100_intr_disestablish;
    124 		break;
    125 #endif
    126 #ifdef DEC_5100
    127 	case DS_MIPSMATE:
    128 		ida.ida_establish = dec_5100_intr_establish;
    129 		ida.ida_disestablish = dec_5100_intr_disestablish;
    130 		break;
    131 #endif
    132 	default:
    133 		panic("ibus_pmax_attach: no ibus configured for systype = %d", systype);
    134 	}
    135 
    136 	ibusattach(parent, self, &ida);
    137 }
    138