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: head/sys/arm/xscale/ixp425/ixp425_a4x_space.c 177887 2008-04-03 18:22:08Z raj $");
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 */
63bs_protos(a4x);
64bs_protos(generic);
65bs_protos(generic_armv4);
66
67struct bus_space ixp425_a4x_bs_tag = {
68 /* cookie */
69 .bs_cookie = (void *) 0,
70
71 /* mapping/unmapping */
72 .bs_map = generic_bs_map,
73 .bs_unmap = generic_bs_unmap,
74 .bs_subregion = generic_bs_subregion,
75
76 /* allocation/deallocation */
77 .bs_alloc = generic_bs_alloc, /* XXX not implemented */
78 .bs_free = generic_bs_free, /* XXX not implemented */
79
80 /* barrier */
81 .bs_barrier = generic_bs_barrier,
82
83 /* read (single) */
84 .bs_r_1 = a4x_bs_r_1,
85 .bs_r_2 = a4x_bs_r_2,
86 .bs_r_4 = a4x_bs_r_4,
87
88 /* read multiple */
89 .bs_rm_1 = a4x_bs_rm_1,
90 .bs_rm_2 = a4x_bs_rm_2,
91
92 /* read region */
93 /* XXX not implemented */
94
95 /* write (single) */
96 .bs_w_1 = a4x_bs_w_1,
97 .bs_w_2 = a4x_bs_w_2,
98 .bs_w_4 = a4x_bs_w_4,
99
100 /* write multiple */
101 .bs_wm_1 = a4x_bs_wm_1,
102 .bs_wm_2 = a4x_bs_wm_2,
103
104 /* write region */
105 /* XXX not implemented */
106
107 /* set multiple */
108 /* XXX not implemented */
109
110 /* set region */
111 /* XXX not implemented */
112
113 /* copy */
114 /* XXX not implemented */
115};