gencp_acafh.c revision 1.1 
1/*      $NetBSD: gencp_acafh.c,v 1.1 2013/12/22 23:02:38 rkujawa Exp $ */
2
3/*-
4 * Copyright (c) 2013 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Radoslaw Kujawa.
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/* Clockport on ACA500. */
33
34#include <sys/cdefs.h>
35
36#include <sys/systm.h>
37#include <sys/types.h>
38#include <sys/device.h>
39#include <sys/bus.h>
40#include <sys/conf.h>
41#include <sys/kmem.h>
42
43#include <machine/cpu.h>
44
45#include <amiga/amiga/device.h>
46
47#include <amiga/dev/acafhvar.h>
48#include <amiga/dev/zbusvar.h>
49
50#include <amiga/clockport/clockportvar.h>
51
52static int	gencp_acafh_match(device_t, cfdata_t, void *);
53static void	gencp_acafh_attach(device_t, device_t, void *);
54
55CFATTACH_DECL_NEW(gencp_acafh, sizeof(struct gencp_softc),
56    gencp_acafh_match, gencp_acafh_attach, NULL, NULL);
57
58static int
59gencp_acafh_match(device_t parent, cfdata_t cf, void *aux)
60{
61	struct acafhbus_attach_args *aaa_aa;
62	static int attach_count = 0;
63
64	aaa_aa = aux;
65
66	if (strcmp(aaa_aa->aaa_name, "gencp_acafh") != 0)
67		return 0;
68
69	if (attach_count >= 1)
70		return 0;
71
72	attach_count++;
73
74	return 1;
75}
76
77static void
78gencp_acafh_attach(device_t parent, device_t self, void *aux)
79{
80	struct gencp_softc *sc;
81	struct bus_space_tag cpb_bst;
82	struct clockportbus_attach_args cpb_aa;
83	struct acafhbus_attach_args *aaa_aa;
84
85	aaa_aa = aux;
86	sc = device_private(self);
87	sc->sc_dev = self;
88	sc->cpb_aa = &cpb_aa;
89
90	/* Set the address and bus access methods. */
91	cpb_bst.base = (bus_addr_t) __UNVOLATILE(ztwomap(aaa_aa->aaa_pbase));
92	cpb_bst.absm = &amiga_bus_stride_4;
93
94	sc->cpb_aa->cp_iot = &cpb_bst;
95
96	gencp_attach(sc);
97}
98
99