isa_machdep_common.c revision 1.2.4.2 1 1.2.4.2 yamt /* $NetBSD: isa_machdep_common.c,v 1.2.4.2 2007/10/27 11:27:49 yamt Exp $ */
2 1.2.4.2 yamt
3 1.2.4.2 yamt /*-
4 1.2.4.2 yamt * Copyright (c) 2007 The NetBSD Foundation, Inc.
5 1.2.4.2 yamt * All rights reserved.
6 1.2.4.2 yamt *
7 1.2.4.2 yamt * This code is derived from software contributed to The NetBSD Foundation
8 1.2.4.2 yamt * by Tim Rightnour
9 1.2.4.2 yamt *
10 1.2.4.2 yamt * Redistribution and use in source and binary forms, with or without
11 1.2.4.2 yamt * modification, are permitted provided that the following conditions
12 1.2.4.2 yamt * are met:
13 1.2.4.2 yamt * 1. Redistributions of source code must retain the above copyright
14 1.2.4.2 yamt * notice, this list of conditions and the following disclaimer.
15 1.2.4.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
16 1.2.4.2 yamt * notice, this list of conditions and the following disclaimer in the
17 1.2.4.2 yamt * documentation and/or other materials provided with the distribution.
18 1.2.4.2 yamt * 3. All advertising materials mentioning features or use of this software
19 1.2.4.2 yamt * must display the following acknowledgement:
20 1.2.4.2 yamt * This product includes software developed by the NetBSD
21 1.2.4.2 yamt * Foundation, Inc. and its contributors.
22 1.2.4.2 yamt * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.2.4.2 yamt * contributors may be used to endorse or promote products derived
24 1.2.4.2 yamt * from this software without specific prior written permission.
25 1.2.4.2 yamt *
26 1.2.4.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.2.4.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.2.4.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.2.4.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.2.4.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.2.4.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.2.4.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.2.4.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.2.4.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.2.4.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.2.4.2 yamt * POSSIBILITY OF SUCH DAMAGE.
37 1.2.4.2 yamt */
38 1.2.4.2 yamt
39 1.2.4.2 yamt #include <sys/cdefs.h>
40 1.2.4.2 yamt __KERNEL_RCSID(0, "$NetBSD: isa_machdep_common.c,v 1.2.4.2 2007/10/27 11:27:49 yamt Exp $");
41 1.2.4.2 yamt
42 1.2.4.2 yamt #include <sys/param.h>
43 1.2.4.2 yamt #include <sys/systm.h>
44 1.2.4.2 yamt #include <sys/syslog.h>
45 1.2.4.2 yamt #include <sys/device.h>
46 1.2.4.2 yamt
47 1.2.4.2 yamt #include <machine/pio.h>
48 1.2.4.2 yamt #include <machine/intr.h>
49 1.2.4.2 yamt
50 1.2.4.2 yamt #include <dev/isa/isareg.h>
51 1.2.4.2 yamt #include <dev/isa/isavar.h>
52 1.2.4.2 yamt
53 1.2.4.2 yamt #define IO_ELCR1 0x4d0
54 1.2.4.2 yamt #define IO_ELCR2 0x4d1
55 1.2.4.2 yamt
56 1.2.4.2 yamt const struct evcnt *
57 1.2.4.2 yamt genppc_isa_intr_evcnt(isa_chipset_tag_t ic, int irq)
58 1.2.4.2 yamt {
59 1.2.4.2 yamt
60 1.2.4.2 yamt /* XXX for now, no evcnt parent reported */
61 1.2.4.2 yamt return NULL;
62 1.2.4.2 yamt }
63 1.2.4.2 yamt
64 1.2.4.2 yamt /*
65 1.2.4.2 yamt * Set up an interrupt handler to start being called.
66 1.2.4.2 yamt */
67 1.2.4.2 yamt void *
68 1.2.4.2 yamt genppc_isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level,
69 1.2.4.2 yamt int (*ih_fun)(void *), void *ih_arg)
70 1.2.4.2 yamt {
71 1.2.4.2 yamt
72 1.2.4.2 yamt return (void *)intr_establish(irq, type, level, ih_fun, ih_arg);
73 1.2.4.2 yamt }
74 1.2.4.2 yamt
75 1.2.4.2 yamt /*
76 1.2.4.2 yamt * Deregister an interrupt handler.
77 1.2.4.2 yamt */
78 1.2.4.2 yamt void
79 1.2.4.2 yamt genppc_isa_intr_disestablish(isa_chipset_tag_t ic, void *arg)
80 1.2.4.2 yamt {
81 1.2.4.2 yamt
82 1.2.4.2 yamt intr_disestablish(arg);
83 1.2.4.2 yamt }
84 1.2.4.2 yamt
85 1.2.4.2 yamt void
86 1.2.4.2 yamt genppc_isa_attach_hook(struct device *parent, struct device *self,
87 1.2.4.2 yamt struct isabus_attach_args *iba)
88 1.2.4.2 yamt {
89 1.2.4.2 yamt
90 1.2.4.2 yamt /* Nothing to do. */
91 1.2.4.2 yamt }
92