bus_space_base.c revision 259202 
1/*-
2 * Copyright (C) 2008 MARVELL INTERNATIONAL LTD.
3 * All rights reserved.
4 *
5 * Developed by Semihalf.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of MARVELL nor the names of contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD: head/sys/arm/arm/bus_space-v6.c 259202 2013-12-10 22:13:36Z jhb $");
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/bus.h>
38#include <sys/kernel.h>
39#include <sys/malloc.h>
40
41#include <machine/bus.h>
42
43/* Prototypes for all the bus_space structure functions */
44bs_protos(generic);
45bs_protos(generic_armv4);
46
47/*
48 * The bus space tag.  This is constant for all instances, so
49 * we never have to explicitly "create" it.
50 */
51static struct bus_space _base_tag = {
52	/* cookie */
53	(void *) 0,
54
55	/* mapping/unmapping */
56	generic_bs_map,
57	generic_bs_unmap,
58	generic_bs_subregion,
59
60	/* allocation/deallocation */
61	generic_bs_alloc,
62	generic_bs_free,
63
64	/* barrier */
65	generic_bs_barrier,
66
67	/* read (single) */
68	generic_bs_r_1,
69	generic_armv4_bs_r_2,
70	generic_bs_r_4,
71	NULL,
72
73	/* read multiple */
74	generic_bs_rm_1,
75	generic_armv4_bs_rm_2,
76	generic_bs_rm_4,
77	NULL,
78
79	/* read region */
80	generic_bs_rr_1,
81	generic_armv4_bs_rr_2,
82	generic_bs_rr_4,
83	NULL,
84
85	/* write (single) */
86	generic_bs_w_1,
87	generic_armv4_bs_w_2,
88	generic_bs_w_4,
89	NULL,
90
91	/* write multiple */
92	generic_bs_wm_1,
93	generic_armv4_bs_wm_2,
94	generic_bs_wm_4,
95	NULL,
96
97	/* write region */
98	generic_bs_wr_1,
99	generic_armv4_bs_wr_2,
100	generic_bs_wr_4,
101	NULL,
102
103	/* set multiple */
104	NULL,
105	NULL,
106	NULL,
107	NULL,
108
109	/* set region */
110	generic_bs_sr_1,
111	generic_armv4_bs_sr_2,
112	generic_bs_sr_4,
113	NULL,
114
115	/* copy */
116	NULL,
117	generic_armv4_bs_c_2,
118	NULL,
119	NULL,
120
121	/* read stream (single) */
122	NULL,
123	NULL,
124	NULL,
125	NULL,
126
127	/* read multiple stream */
128	NULL,
129	generic_armv4_bs_rm_2,		/* bus_space_read_multi_stream_2 */
130	NULL,
131	NULL,
132
133	/* read region stream */
134	NULL,
135	NULL,
136	NULL,
137	NULL,
138
139	/* write stream (single) */
140	NULL,
141	NULL,
142	NULL,
143	NULL,
144
145	/* write multiple stream */
146	NULL,
147	generic_armv4_bs_wm_2,		/* bus_space_write_multi_stream_2 */
148	NULL,
149	NULL,
150
151	/* write region stream */
152	NULL,
153	NULL,
154	NULL,
155	NULL
156};
157
158bus_space_tag_t fdtbus_bs_tag = &_base_tag;
159