bus_space_base.c revision 257738 
1/*-
2 * Copyright (c) 2012 Damjan Marion <damjan.marion@gmail.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/arm/arm/bus_space-v6.c 257738 2013-11-06 09:41:19Z ray $");
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/bus.h>
33#include <sys/kernel.h>
34#include <sys/malloc.h>
35
36#include <machine/bus.h>
37
38/* Prototypes for all the bus_space structure functions */
39bs_protos(generic);
40bs_protos(generic_armv4);
41
42/*
43 * The bus space tag.  This is constant for all instances, so
44 * we never have to explicitly "create" it.
45 */
46static struct bus_space _base_tag = {
47	/* cookie */
48	(void *) 0,
49
50	/* mapping/unmapping */
51	generic_bs_map,
52	generic_bs_unmap,
53	generic_bs_subregion,
54
55	/* allocation/deallocation */
56	generic_bs_alloc,
57	generic_bs_free,
58
59	/* barrier */
60	generic_bs_barrier,
61
62	/* read (single) */
63	generic_bs_r_1,
64	generic_armv4_bs_r_2,
65	generic_bs_r_4,
66	NULL,
67
68	/* read multiple */
69	generic_bs_rm_1,
70	generic_armv4_bs_rm_2,
71	generic_bs_rm_4,
72	NULL,
73
74	/* read region */
75	generic_bs_rr_1,
76	generic_armv4_bs_rr_2,
77	generic_bs_rr_4,
78	NULL,
79
80	/* write (single) */
81	generic_bs_w_1,
82	generic_armv4_bs_w_2,
83	generic_bs_w_4,
84	NULL,
85
86	/* write multiple */
87	generic_bs_wm_1,
88	generic_armv4_bs_wm_2,
89	generic_bs_wm_4,
90	NULL,
91
92	/* write region */
93	generic_bs_wr_1,
94	generic_armv4_bs_wr_2,
95	generic_bs_wr_4,
96	NULL,
97
98	/* set multiple */
99	NULL,
100	NULL,
101	NULL,
102	NULL,
103
104	/* set region */
105	generic_bs_sr_1,
106	generic_armv4_bs_sr_2,
107	generic_bs_sr_4,
108	NULL,
109
110	/* copy */
111	NULL,
112	generic_armv4_bs_c_2,
113	NULL,
114	NULL,
115
116	/* read stream (single) */
117	NULL,
118	NULL,
119	NULL,
120	NULL,
121
122	/* read multiple stream */
123	NULL,
124	generic_armv4_bs_rm_2,		/* bus_space_read_multi_stream_2 */
125	NULL,
126	NULL,
127
128	/* read region stream */
129	NULL,
130	NULL,
131	NULL,
132	NULL,
133
134	/* write stream (single) */
135	NULL,
136	NULL,
137	NULL,
138	NULL,
139
140	/* write multiple stream */
141	NULL,
142	generic_armv4_bs_wm_2,		/* bus_space_write_multi_stream_2 */
143	NULL,
144	NULL,
145
146	/* write region stream */
147	NULL,
148	NULL,
149	NULL,
150	NULL
151};
152
153bus_space_tag_t fdtbus_bs_tag = &_base_tag;
154