timekeeper.c revision 1.1.2.4 1 1.1.2.4 jdolecek /* $NetBSD: timekeeper.c,v 1.1.2.4 2002/10/10 18:34:18 jdolecek Exp $ */
2 1.1.2.2 thorpej
3 1.1.2.2 thorpej /*-
4 1.1.2.2 thorpej * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 1.1.2.2 thorpej * All rights reserved.
6 1.1.2.2 thorpej *
7 1.1.2.2 thorpej * This code is derived from software contributed to The NetBSD Foundation
8 1.1.2.2 thorpej * by Steve C. Woodford.
9 1.1.2.2 thorpej *
10 1.1.2.2 thorpej * Redistribution and use in source and binary forms, with or without
11 1.1.2.2 thorpej * modification, are permitted provided that the following conditions
12 1.1.2.2 thorpej * are met:
13 1.1.2.2 thorpej * 1. Redistributions of source code must retain the above copyright
14 1.1.2.2 thorpej * notice, this list of conditions and the following disclaimer.
15 1.1.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright
16 1.1.2.2 thorpej * notice, this list of conditions and the following disclaimer in the
17 1.1.2.2 thorpej * documentation and/or other materials provided with the distribution.
18 1.1.2.2 thorpej * 3. All advertising materials mentioning features or use of this software
19 1.1.2.2 thorpej * must display the following acknowledgement:
20 1.1.2.2 thorpej * This product includes software developed by the NetBSD
21 1.1.2.2 thorpej * Foundation, Inc. and its contributors.
22 1.1.2.2 thorpej * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1.2.2 thorpej * contributors may be used to endorse or promote products derived
24 1.1.2.2 thorpej * from this software without specific prior written permission.
25 1.1.2.2 thorpej *
26 1.1.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1.2.2 thorpej * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1.2.2 thorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1.2.2 thorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1.2.2 thorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1.2.2 thorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1.2.2 thorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1.2.2 thorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1.2.2 thorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1.2.2 thorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1.2.2 thorpej * POSSIBILITY OF SUCH DAMAGE.
37 1.1.2.2 thorpej */
38 1.1.2.2 thorpej
39 1.1.2.2 thorpej /*
40 1.1.2.2 thorpej * Attachment interface for the Time-Keeper RAMs on mvme boards.
41 1.1.2.2 thorpej *
42 1.1.2.2 thorpej * XXXSCW: Needs to be extended to allow read/write to NVRAM by
43 1.1.2.2 thorpej * userland application.
44 1.1.2.2 thorpej */
45 1.1.2.2 thorpej
46 1.1.2.2 thorpej #include <sys/param.h>
47 1.1.2.2 thorpej #include <sys/systm.h>
48 1.1.2.2 thorpej #include <sys/device.h>
49 1.1.2.2 thorpej #include <sys/conf.h>
50 1.1.2.2 thorpej
51 1.1.2.2 thorpej #include <machine/cpu.h>
52 1.1.2.2 thorpej #include <machine/bus.h>
53 1.1.2.2 thorpej
54 1.1.2.3 jdolecek #include <dev/mvme/clockvar.h>
55 1.1.2.2 thorpej
56 1.1.2.2 thorpej #include <mvme68k/dev/mainbus.h>
57 1.1.2.2 thorpej
58 1.1.2.2 thorpej struct timekeeper_softc {
59 1.1.2.2 thorpej struct device sc_dev;
60 1.1.2.2 thorpej bus_space_tag_t sc_bust;
61 1.1.2.2 thorpej bus_space_handle_t sc_bush;
62 1.1.2.2 thorpej bus_size_t sc_size;
63 1.1.2.2 thorpej };
64 1.1.2.2 thorpej
65 1.1.2.2 thorpej int timekeeper_match(struct device *, struct cfdata *, void *);
66 1.1.2.2 thorpej void timekeeper_attach(struct device *, struct device *, void *);
67 1.1.2.2 thorpej
68 1.1.2.4 jdolecek CFATTACH_DECL(timekeeper, sizeof(struct timekeeper_softc),
69 1.1.2.4 jdolecek timekeeper_match, timekeeper_attach, NULL, NULL);
70 1.1.2.2 thorpej
71 1.1.2.2 thorpej extern struct cfdriver timekeeper_cd;
72 1.1.2.2 thorpej
73 1.1.2.2 thorpej int
74 1.1.2.2 thorpej timekeeper_match(parent, cf, aux)
75 1.1.2.2 thorpej struct device *parent;
76 1.1.2.2 thorpej struct cfdata *cf;
77 1.1.2.2 thorpej void *aux;
78 1.1.2.2 thorpej {
79 1.1.2.2 thorpej struct mainbus_attach_args *ma = aux;
80 1.1.2.2 thorpej
81 1.1.2.2 thorpej if (strcmp(ma->ma_name, timekeeper_cd.cd_name))
82 1.1.2.2 thorpej return (0);
83 1.1.2.2 thorpej
84 1.1.2.2 thorpej return (1);
85 1.1.2.2 thorpej }
86 1.1.2.2 thorpej
87 1.1.2.2 thorpej void
88 1.1.2.2 thorpej timekeeper_attach(parent, self, aux)
89 1.1.2.2 thorpej struct device *parent;
90 1.1.2.2 thorpej struct device *self;
91 1.1.2.2 thorpej void *aux;
92 1.1.2.2 thorpej {
93 1.1.2.2 thorpej struct timekeeper_softc *sc = (struct timekeeper_softc *)self;
94 1.1.2.2 thorpej struct mainbus_attach_args *ma = aux;
95 1.1.2.2 thorpej todr_chip_handle_t todr;
96 1.1.2.2 thorpej const char *model;
97 1.1.2.2 thorpej
98 1.1.2.2 thorpej sc->sc_bust = ma->ma_bust;
99 1.1.2.2 thorpej
100 1.1.2.2 thorpej if (machineid == MVME_147) {
101 1.1.2.2 thorpej sc->sc_size = MK48T02_CLKSZ;
102 1.1.2.2 thorpej model = "mk48t02";
103 1.1.2.2 thorpej } else {
104 1.1.2.2 thorpej sc->sc_size = MK48T08_CLKSZ;
105 1.1.2.2 thorpej model = "mk48t08";
106 1.1.2.2 thorpej }
107 1.1.2.2 thorpej
108 1.1.2.2 thorpej bus_space_map(ma->ma_bust, ma->ma_offset, sc->sc_size, 0, &sc->sc_bush);
109 1.1.2.2 thorpej
110 1.1.2.3 jdolecek todr = mk48txx_attach(sc->sc_bust, sc->sc_bush, model, YEAR0,
111 1.1.2.3 jdolecek NULL, NULL);
112 1.1.2.2 thorpej if (todr == NULL)
113 1.1.2.2 thorpej panic("\ntimekeeper_attach");
114 1.1.2.2 thorpej
115 1.1.2.2 thorpej printf(" Time-Keeper RAM\n");
116 1.1.2.2 thorpej printf("%s: %ld bytes NVRAM plus Realtime Clock\n",
117 1.1.2.2 thorpej sc->sc_dev.dv_xname, sc->sc_size);
118 1.1.2.2 thorpej
119 1.1.2.2 thorpej clock_rtc_config(todr);
120 1.1.2.2 thorpej }
121