1 /* $NetBSD: mkclock_hb.c,v 1.8 2008/04/28 20:23:30 martin Exp $ */
2
3 /*-
4 * Copyright (c) 1996 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: mkclock_hb.c,v 1.8 2008/04/28 20:23:30 martin Exp $");
34
35 #include <sys/param.h>
36 #include <sys/kernel.h>
37 #include <sys/systm.h>
38 #include <sys/device.h>
39
40 #include <machine/cpu.h>
41 #include <machine/bus.h>
42
43 #include <dev/clock_subr.h>
44 #include <dev/ic/mk48txxreg.h>
45 #include <dev/ic/mk48txxvar.h>
46
47 #include <newsmips/dev/hbvar.h>
48
49 #include "ioconf.h"
50
51 int mkclock_hb_match(device_t, cfdata_t, void *);
52 void mkclock_hb_attach(device_t, device_t, void *);
53
54 CFATTACH_DECL_NEW(mkclock_hb, sizeof(struct mk48txx_softc),
55 mkclock_hb_match, mkclock_hb_attach, NULL, NULL);
56
57 int
mkclock_hb_match(device_t parent,cfdata_t cf,void * aux)58 mkclock_hb_match(device_t parent, cfdata_t cf, void *aux)
59 {
60 struct hb_attach_args *ha = aux;
61 static int mkclock_hb_matched;
62
63 /* Only one clock, please. */
64 if (mkclock_hb_matched)
65 return 0;
66
67 if (strcmp(ha->ha_name, mkclock_cd.cd_name))
68 return 0;
69
70 mkclock_hb_matched = 1;
71
72 return 1;
73 }
74
75 void
mkclock_hb_attach(device_t parent,device_t self,void * aux)76 mkclock_hb_attach(device_t parent, device_t self, void *aux)
77 {
78 struct mk48txx_softc *sc = device_private(self);
79 struct hb_attach_args *ha = aux;
80
81 sc->sc_dev = self;
82 if (bus_space_map(sc->sc_bst, (bus_addr_t)ha->ha_addr, MK48T02_CLKSZ,
83 0, &sc->sc_bsh) != 0)
84 aprint_error(": can't map device space\n");
85
86 sc->sc_model = "mk48t02";
87 sc->sc_year0 = 1900;
88 mk48txx_attach(sc);
89
90 aprint_normal("\n");
91 }
92