FreeBSD/Linux Kernel Cross Reference
sys/arm/mv/bus_space.c
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: releng/9.0/sys/arm/mv/bus_space.c 209131 2010-06-13 13:28:53Z raj $");
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 /*
44 * Bus space functions for Marvell SoC family
45 */
46
47 /* Prototypes for all the bus_space structure functions */
48 bs_protos(generic);
49 bs_protos(generic_armv4);
50
51 /*
52 * The bus space tag. This is constant for all instances, so
53 * we never have to explicitly "create" it.
54 */
55 static struct bus_space _base_tag = {
56 /* cookie */
57 (void *) 0,
58
59 /* mapping/unmapping */
60 generic_bs_map,
61 generic_bs_unmap,
62 generic_bs_subregion,
63
64 /* allocation/deallocation */
65 generic_bs_alloc,
66 generic_bs_free,
67
68 /* barrier */
69 generic_bs_barrier,
70
71 /* read (single) */
72 generic_bs_r_1,
73 generic_armv4_bs_r_2,
74 generic_bs_r_4,
75 NULL,
76
77 /* read multiple */
78 generic_bs_rm_1,
79 generic_armv4_bs_rm_2,
80 generic_bs_rm_4,
81 NULL,
82
83 /* read region */
84 generic_bs_rr_1,
85 generic_armv4_bs_rr_2,
86 generic_bs_rr_4,
87 NULL,
88
89 /* write (single) */
90 generic_bs_w_1,
91 generic_armv4_bs_w_2,
92 generic_bs_w_4,
93 NULL,
94
95 /* write multiple */
96 generic_bs_wm_1,
97 generic_armv4_bs_wm_2,
98 generic_bs_wm_4,
99 NULL,
100
101 /* write region */
102 NULL,
103 NULL,
104 NULL,
105 NULL,
106
107 /* set multiple */
108 NULL,
109 NULL,
110 NULL,
111 NULL,
112
113 /* set region */
114 NULL,
115 NULL,
116 NULL,
117 NULL,
118
119 /* copy */
120 NULL,
121 NULL,
122 NULL,
123 NULL,
124
125 /* read stream (single) */
126 NULL,
127 NULL,
128 NULL,
129 NULL,
130
131 /* read multiple stream */
132 NULL,
133 generic_armv4_bs_rm_2, /* bus_space_read_multi_stream_2 */
134 NULL,
135 NULL,
136
137 /* read region stream */
138 NULL,
139 NULL,
140 NULL,
141 NULL,
142
143 /* write stream (single) */
144 NULL,
145 NULL,
146 NULL,
147 NULL,
148
149 /* write multiple stream */
150 NULL,
151 generic_armv4_bs_wm_2, /* bus_space_write_multi_stream_2 */
152 NULL,
153 NULL,
154
155 /* write region stream */
156 NULL,
157 NULL,
158 NULL,
159 NULL
160 };
161
162 bus_space_tag_t fdtbus_bs_tag = &_base_tag;
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