Annotation of sys/arch/mvme68k/dev/memc.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: memc.c,v 1.10 2004/07/30 22:29:45 miod Exp $ */
2:
3: /*
4: * Copyright (c) 1995 Theo de Raadt
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26: */
27:
28: /*
29: * MEMC/MCECC chips
30: * these chips are rather similar in appearance except that the MEMC
31: * does parity while the MCECC does ECC.
32: */
33: #include <sys/param.h>
34: #include <sys/conf.h>
35: #include <sys/ioctl.h>
36: #include <sys/proc.h>
37: #include <sys/user.h>
38: #include <sys/tty.h>
39: #include <sys/uio.h>
40: #include <sys/systm.h>
41: #include <sys/kernel.h>
42: #include <sys/syslog.h>
43: #include <sys/fcntl.h>
44: #include <sys/device.h>
45: #include <machine/cpu.h>
46: #include <machine/autoconf.h>
47: #include <dev/cons.h>
48:
49: #include <mvme68k/dev/memcreg.h>
50:
51: struct memcsoftc {
52: struct device sc_dev;
53: void * sc_vaddr;
54: struct memcreg *sc_memc;
55: struct intrhand sc_ih;
56: };
57:
58: void memcattach(struct device *, struct device *, void *);
59: int memcmatch(struct device *, void *, void *);
60:
61: struct cfattach memc_ca = {
62: sizeof(struct memcsoftc), memcmatch, memcattach
63: };
64:
65: struct cfdriver memc_cd = {
66: NULL, "memc", DV_DULL
67: };
68:
69: int memcintr(struct frame *frame);
70:
71: int
72: memcmatch(parent, vcf, args)
73: struct device *parent;
74: void *vcf, *args;
75: {
76: struct confargs *ca = args;
77: struct memcreg *memc = (struct memcreg *)ca->ca_vaddr;
78:
79: if (badvaddr((vaddr_t)memc, 1))
80: return (0);
81: if (memc->memc_chipid==MEMC_CHIPID || memc->memc_chipid==MCECC_CHIPID)
82: return (1);
83: return (0);
84: }
85:
86: void
87: memcattach(parent, self, args)
88: struct device *parent, *self;
89: void *args;
90: {
91: struct confargs *ca = args;
92: struct memcsoftc *sc = (struct memcsoftc *)self;
93:
94: /*
95: * since we know ourself to land in intiobase land,
96: * we must adjust our address
97: */
98: sc->sc_memc = (struct memcreg *)ca->ca_vaddr;
99:
100: printf(": %s rev %d",
101: (sc->sc_memc->memc_chipid == MEMC_CHIPID) ? "MEMC040" : "MCECC",
102: sc->sc_memc->memc_chiprev);
103:
104: #if 0
105: sc->sc_ih.ih_fn = memcintr;
106: sc->sc_ih.ih_ipl = 7;
107: sc->sc_ih.ih_wantframe = 1;
108: mcintr_establish(xxx, &sc->sc_ih, self->dv_xname);
109: #endif
110:
111: switch (sc->sc_memc->memc_chipid) {
112: case MEMC_CHIPID:
113: break;
114: case MCECC_CHIPID:
115: break;
116: }
117:
118: printf("\n");
119: }
120:
121: int
122: memcintr(frame)
123: struct frame *frame;
124: {
125: return (0);
126: }
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