Annotation of sys/arch/mvme88k/dev/memc.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: memc.c,v 1.13 2006/11/16 23:21:56 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:
46: #include <machine/autoconf.h>
47: #include <machine/cpu.h>
48:
49: #include <dev/cons.h>
50:
51: #include <mvme88k/dev/memcreg.h>
52:
53: struct memcsoftc {
54: struct device sc_dev;
55: struct memcreg *sc_memc;
56: struct intrhand sc_ih;
57: };
58:
59: void memcattach(struct device *, struct device *, void *);
60: int memcmatch(struct device *, void *, void *);
61:
62: struct cfattach memc_ca = {
63: sizeof(struct memcsoftc), memcmatch, memcattach
64: };
65:
66: struct cfdriver memc_cd = {
67: NULL, "memc", DV_DULL
68: };
69:
70: #if 0
71: int memcintr(void *);
72: #endif
73:
74: int
75: memcmatch(parent, vcf, args)
76: struct device *parent;
77: void *vcf, *args;
78: {
79: struct confargs *ca = args;
80: struct memcreg *memc = (struct memcreg *)ca->ca_paddr;
81:
82: if (badaddr((vaddr_t)memc, 4))
83: return (0);
84: if (memc->memc_chipid==MEMC_CHIPID || memc->memc_chipid==MCECC_CHIPID)
85: return (1);
86: return (0);
87: }
88:
89: void
90: memcattach(parent, self, args)
91: struct device *parent, *self;
92: void *args;
93: {
94: struct confargs *ca = args;
95: struct memcsoftc *sc = (struct memcsoftc *)self;
96:
97: sc->sc_memc = (struct memcreg *)ca->ca_paddr;
98:
99: printf(": %s rev %d",
100: (sc->sc_memc->memc_chipid == MEMC_CHIPID) ? "MEMC040" : "MCECC",
101: sc->sc_memc->memc_chiprev);
102:
103: #if 0
104: sc->sc_ih.ih_fn = memcintr;
105: sc->sc_ih.ih_arg = 0;
106: sc->sc_ih.ih_wantframe = 1;
107: sc->sc_ih.ih_ipl = 7;
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: #if 0
122: int
123: memcintr(eframe)
124: void *eframe;
125: {
126: return (0);
127: }
128: #endif
CVSweb