summaryrefslogtreecommitdiff
path: root/sys/arch/mvme68k/dev/memc.c
blob: 95cb3c38a6a4062f2e1786dd8ce1b446cc0078df (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
/*	$OpenBSD: memc.c,v 1.5 2000/03/26 23:31:59 deraadt Exp $ */

/*
 * Copyright (c) 1995 Theo de Raadt
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed under OpenBSD by
 *	Theo de Raadt for Willowglen Singapore.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * MEMC/MCECC chips
 * these chips are rather similar in appearance except that the MEMC
 * does parity while the MCECC does ECC.
 */
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/ioctl.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <sys/tty.h>
#include <sys/uio.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/syslog.h>
#include <sys/fcntl.h>
#include <sys/device.h>
#include <machine/cpu.h>
#include <machine/autoconf.h>
#include <dev/cons.h>

#include <mvme68k/dev/memcreg.h>

struct memcsoftc {
	struct device	sc_dev;
	void *		sc_vaddr;
	struct memcreg *sc_memc;
	struct intrhand	sc_ih;
};

void memcattach __P((struct device *, struct device *, void *));
int  memcmatch __P((struct device *, void *, void *));

struct cfattach memc_ca = {
	sizeof(struct memcsoftc), memcmatch, memcattach
};

struct cfdriver memc_cd = {
	NULL, "memc", DV_DULL, 0
};

int memcintr __P((struct frame *frame));

int
memcmatch(parent, vcf, args)
	struct device *parent;
	void *vcf, *args;
{
	struct cfdata *cf = vcf;
	struct confargs *ca = args;
	struct memcreg *memc = (struct memcreg *)ca->ca_vaddr;

	if (badvaddr(memc, 1))
		return (0);
	if (memc->memc_chipid==MEMC_CHIPID || memc->memc_chipid==MCECC_CHIPID)
		return (1);
	return (0);
}

void
memcattach(parent, self, args)
	struct device *parent, *self;
	void *args;
{
	struct confargs *ca = args;
	struct memcsoftc *sc = (struct memcsoftc *)self;

	/*
	 * since we know ourself to land in intiobase land,
	 * we must adjust our address
	 */
	sc->sc_memc = (struct memcreg *)ca->ca_vaddr;

	printf(": %s rev %d",
	    (sc->sc_memc->memc_chipid == MEMC_CHIPID) ? "MEMC040" : "MCECC",
	    sc->sc_memc->memc_chiprev);

#if 0
	sc->sc_ih.ih_fn = memcintr;
	sc->sc_ih.ih_arg = 0;
	sc->sc_ih.ih_ipl = 7;
	sc->sc_ih.ih_wantframe = 1;
	mcintr_establish(xxx, &sc->sc_ih);
#endif

	switch (sc->sc_memc->memc_chipid) {
	case MEMC_CHIPID:
		break;
	case MCECC_CHIPID:
		break;
	}

	printf("\n");
}

int
memcintr(frame)
	struct frame *frame;
{
	return (0);
}