xref: /netbsd-src/sys/arch/arm/xscale/ixp425_sip.c (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /*	$NetBSD: ixp425_sip.c,v 1.13 2012/10/14 14:20:58 msaitoh Exp $ */
2 
3 /*
4  * Copyright (c) 2003
5  *	Ichiro FUKUHARA <ichiro@ichiro.org>.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #include <sys/cdefs.h>
31 __KERNEL_RCSID(0, "$NetBSD: ixp425_sip.c,v 1.13 2012/10/14 14:20:58 msaitoh Exp $");
32 
33 /*
34  * Slow peripheral bus of IXP425 Processor
35  */
36 
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/device.h>
40 
41 #include <machine/autoconf.h>
42 #include <sys/bus.h>
43 
44 #include <arm/xscale/ixp425var.h>
45 #include <arm/xscale/ixp425_sipvar.h>
46 
47 #include "locators.h"
48 
49 static int	ixpsip_match(device_t, cfdata_t, void *);
50 static void	ixpsip_attach(device_t, device_t, void *);
51 static int	ixpsip_search(device_t, cfdata_t, const int *, void *);
52 static int	ixpsip_print(void *, const char *);
53 
54 CFATTACH_DECL_NEW(ixpsip, sizeof(struct ixpsip_softc),
55 		ixpsip_match, ixpsip_attach, NULL, NULL);
56 
57 struct ixpsip_softc *ixpsip_softc;
58 
59 int
60 ixpsip_match(device_t parent, cfdata_t cf, void *aux)
61 {
62 	return (1);
63 }
64 
65 void
66 ixpsip_attach(device_t parent, device_t self, void *aux)
67 {
68 	struct ixpsip_softc *sc = device_private(self);
69 	sc->sc_iot = &ixp425_bs_tag;
70 
71 	ixpsip_softc = sc;
72 
73 	printf("\n");
74 
75 	if (bus_space_map(sc->sc_iot, IXP425_EXP_HWBASE, IXP425_EXP_SIZE,
76 	    0, &sc->sc_ioh)) {
77 		printf("%s: Can't map expansion bus control registers!\n",
78 		    device_xname(self));
79 		return;
80 	}
81 
82 	/*
83 	 *  Attach each devices
84 	 */
85 	config_search_ia(ixpsip_search, self, "ixpsip", NULL);
86 }
87 
88 int
89 ixpsip_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
90 {
91 	struct ixpsip_softc *sc = device_private(parent);
92 	struct ixpsip_attach_args sa;
93 
94 	sa.sa_iot = sc->sc_iot;
95 	sa.sa_addr = cf->cf_loc[IXPSIPCF_ADDR];
96 	sa.sa_size = cf->cf_loc[IXPSIPCF_SIZE];
97 	sa.sa_index = cf->cf_loc[IXPSIPCF_INDEX];
98 	sa.sa_intr = cf->cf_loc[IXPSIPCF_INTR];
99 
100 	if (config_match(parent, cf, &sa) > 0)
101 		config_attach(parent, cf, &sa, ixpsip_print);
102 
103 	return (0);
104 }
105 
106 static int
107 ixpsip_print(void *aux, const char *name)
108 {
109 	struct ixpsip_attach_args *sa = aux;
110 
111 	if (sa->sa_size)
112 		aprint_normal(" addr 0x%lx", sa->sa_addr);
113 	if (sa->sa_size > 1)
114 		aprint_normal("-0x%lx", sa->sa_addr + sa->sa_size - 1);
115 	if (sa->sa_index > 1)
116 		aprint_normal(" index %d", sa->sa_index);
117 	if (sa->sa_intr > 1)
118 		aprint_normal(" intr %d", sa->sa_intr);
119 
120 	return (UNCONF);
121 }
122