1 /* $NetBSD: ixp425_a4x_space.c,v 1.2 2005/12/11 12:16:51 christos Exp $ */
2
3 /*
4 * Copyright 2003 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Steve C. Woodford for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed for the NetBSD Project by
20 * Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 * or promote products derived from this software without specific prior
23 * written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38 /*
39 * Bus space tag for 8/16-bit devices on 32-bit bus.
40 * all registers are located at the address of multiple of 4.
41 *
42 * Based on pxa2x0_a4x_space.c
43 */
44
45 #include <sys/cdefs.h>
46 __FBSDID("$FreeBSD: releng/6.4/sys/arm/xscale/ixp425/ixp425_a4x_space.c 167038 2007-02-26 23:13:09Z cognet $");
47
48 #include <sys/param.h>
49 #include <sys/systm.h>
50 #include <sys/bus.h>
51
52 #include <machine/pcb.h>
53
54 #include <vm/vm.h>
55 #include <vm/vm_kern.h>
56 #include <vm/pmap.h>
57 #include <vm/vm_page.h>
58 #include <vm/vm_extern.h>
59
60 #include <machine/bus.h>
61
62 /* Prototypes for all the bus_space structure functions */
63 bs_protos(ixp425);
64 bs_protos(a4x);
65 bs_protos(generic);
66 bs_protos(generic_armv4);
67
68 struct bus_space ixp425_a4x_bs_tag = {
69 /* cookie */
70 .bs_cookie = (void *) 0,
71
72 /* mapping/unmapping */
73 .bs_map = ixp425_bs_map,
74 .bs_unmap = ixp425_bs_unmap,
75 .bs_subregion = ixp425_bs_subregion,
76
77 /* allocation/deallocation */
78 .bs_alloc = ixp425_bs_alloc, /* XXX not implemented */
79 .bs_free = ixp425_bs_free, /* XXX not implemented */
80
81 /* barrier */
82 .bs_barrier = ixp425_bs_barrier,
83
84 /* read (single) */
85 .bs_r_1 = a4x_bs_r_1,
86 .bs_r_2 = a4x_bs_r_2,
87 .bs_r_4 = a4x_bs_r_4,
88
89 /* read multiple */
90 .bs_rm_1 = a4x_bs_rm_1,
91 .bs_rm_2 = a4x_bs_rm_2,
92
93 /* read region */
94 /* XXX not implemented */
95
96 /* write (single) */
97 .bs_w_1 = a4x_bs_w_1,
98 .bs_w_2 = a4x_bs_w_2,
99 .bs_w_4 = a4x_bs_w_4,
100
101 /* write multiple */
102 .bs_wm_1 = a4x_bs_wm_1,
103 .bs_wm_2 = a4x_bs_wm_2,
104
105 /* write region */
106 /* XXX not implemented */
107
108 /* set multiple */
109 /* XXX not implemented */
110
111 /* set region */
112 /* XXX not implemented */
113
114 /* copy */
115 /* XXX not implemented */
116 };
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