xref: /netbsd-src/sys/arch/evbarm/ixm1200/ixpcom_ixm.c (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /*	$NetBSD: ixpcom_ixm.c,v 1.11 2012/10/27 17:17:48 chs Exp $ */
2 /*
3  * Copyright (c) 2002
4  *	Ichiro FUKUHARA <ichiro@ichiro.org>.
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 ICHIRO FUKUHARA ``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 ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: ixpcom_ixm.c,v 1.11 2012/10/27 17:17:48 chs Exp $");
31 
32 /* Front-end of ixpcom */
33 
34 #include <sys/types.h>
35 #include <sys/device.h>
36 #include <sys/systm.h>
37 #include <sys/param.h>
38 #include <sys/malloc.h>
39 
40 #include <sys/termios.h>
41 
42 #include <machine/intr.h>
43 #include <sys/bus.h>
44 
45 #include <arm/ixp12x0/ixp12x0_comreg.h>
46 #include <arm/ixp12x0/ixp12x0_comvar.h>
47 #include <arm/ixp12x0/ixp12x0reg.h>
48 #include <arm/ixp12x0/ixp12x0var.h>
49 #include <arm/ixp12x0/ixpsipvar.h>
50 
51 #include <evbarm/ixm1200/ixpcom_ixmvar.h>
52 
53 static int	ixpcom_ixm_match(device_t, cfdata_t, void *);
54 static void	ixpcom_ixm_attach(device_t, device_t, void *);
55 
56 CFATTACH_DECL_NEW(ixpcom_ixm, sizeof(struct ixpcom_softc),
57     ixpcom_ixm_match, ixpcom_ixm_attach, NULL, NULL);
58 
59 static int
60 ixpcom_ixm_match(device_t parent, cfdata_t match, void *aux)
61 {
62 	if (strcmp(match->cf_name, "ixpcom") == 0)
63 		return 1;
64 	return 0;
65 }
66 
67 static void
68 ixpcom_ixm_attach(device_t parent, device_t self, void *aux)
69 {
70 	struct ixpcom_ixm_softc *isc = device_private(self);
71 	struct ixpcom_softc *sc = &isc->sc_ixpcom;
72 	struct ixpsip_attach_args *sa = aux;
73 
74 	sc->sc_dev = self;
75 	isc->sc_iot = sa->sa_iot;
76 	sc->sc_iot = sa->sa_iot;
77 	sc->sc_baseaddr = sa->sa_addr;
78 
79 	if (bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0,
80 			 &sc->sc_ioh)) {
81 		aprint_error(": unable to map device\n");
82 		return;
83 	}
84 
85 	aprint_normal(": IXP12x0 UART\n");
86 
87 	ixpcom_attach_subr(sc);
88 
89 #ifdef POLLING_COM
90 	{ void* d; d = d = ixpcomintr; }
91 #else
92 	ixp12x0_intr_establish(IXP12X0_INTR_UART, IPL_SERIAL, ixpcomintr, sc);
93 #endif
94 }
95