1/*	$NetBSD: com_elb.c,v 1.8 2008/08/08 09:50:19 hannken Exp $	*/
2
3/*-
4 * Copyright (c) 2003 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Juergen Hannken-Illjes.
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: com_elb.c,v 1.8 2008/08/08 09:50:19 hannken Exp $");
34
35#include <sys/param.h>
36#include <sys/conf.h>
37#include <sys/device.h>
38#include <sys/systm.h>
39#include <sys/tty.h>
40
41#include <sys/bus.h>
42
43#include <dev/ic/comreg.h>
44#include <dev/ic/comvar.h>
45
46#include <evbppc/explora/dev/elbvar.h>
47
48struct com_elb_softc {
49	struct com_softc sc_com;
50	void *sc_ih;
51};
52
53static int	com_elb_probe(device_t, cfdata_t , void *);
54static void	com_elb_attach(device_t, device_t, void *);
55
56CFATTACH_DECL_NEW(com_elb, sizeof(struct com_elb_softc),
57    com_elb_probe, com_elb_attach, NULL, NULL);
58
59int
60com_elb_probe(device_t parent, cfdata_t cf, void *aux)
61{
62	struct elb_attach_args *oaa = aux;
63
64	if (strcmp(oaa->elb_name, cf->cf_name) != 0)
65		return 0;
66
67	return (1);
68}
69
70void
71com_elb_attach(device_t parent, device_t self, void *aux)
72{
73	struct com_elb_softc *msc = device_private(self);
74	struct com_softc *sc = &msc->sc_com;
75	struct elb_attach_args *eaa = aux;
76	bus_space_handle_t ioh;
77
78	sc->sc_dev = self;
79
80	bus_space_map(eaa->elb_bt,
81	    _BUS_SPACE_UNSTRIDE(eaa->elb_bt, eaa->elb_base),
82	    COM_NPORTS, 0, &ioh);
83	COM_INIT_REGS(sc->sc_regs, eaa->elb_bt, ioh,
84	    _BUS_SPACE_UNSTRIDE(eaa->elb_bt, eaa->elb_base));
85
86	sc->sc_frequency = COM_FREQ;
87
88	com_attach_subr(sc);
89
90	intr_establish(eaa->elb_irq, IST_LEVEL, IPL_SERIAL, comintr, sc);
91}
92