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("$FreeBSD$");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <machine/bus.h>
38
39 #include "opt_platform.h"
40
41 /* Prototypes for all the bus_space structure functions */
42 bs_protos(generic);
43
44 /*
45 * The bus space tag. This is constant for all instances, so
46 * we never have to explicitly "create" it.
47 */
48 static struct bus_space arm_base_bus_space __aligned(CACHE_LINE_SIZE) = {
49 /* privdata is whatever the implementer wants; unused in base tag */
50 .bs_privdata = NULL,
51
52 /* mapping/unmapping */
53 .bs_map = generic_bs_map,
54 .bs_unmap = generic_bs_unmap,
55 .bs_subregion = generic_bs_subregion,
56
57 /* allocation/deallocation */
58 .bs_alloc = generic_bs_alloc,
59 .bs_free = generic_bs_free,
60
61 /* barrier */
62 .bs_barrier = generic_bs_barrier,
63
64 /* read (single) */
65 .bs_r_1 = NULL, /* Use inline code in bus.h */
66 .bs_r_2 = NULL, /* Use inline code in bus.h */
67 .bs_r_4 = NULL, /* Use inline code in bus.h */
68 .bs_r_8 = NULL, /* Use inline code in bus.h */
69
70 /* read multiple */
71 .bs_rm_1 = generic_bs_rm_1,
72 .bs_rm_2 = generic_bs_rm_2,
73 .bs_rm_4 = generic_bs_rm_4,
74 .bs_rm_8 = BS_UNIMPLEMENTED,
75
76 /* read region */
77 .bs_rr_1 = generic_bs_rr_1,
78 .bs_rr_2 = generic_bs_rr_2,
79 .bs_rr_4 = generic_bs_rr_4,
80 .bs_rr_8 = BS_UNIMPLEMENTED,
81
82 /* write (single) */
83 .bs_w_1 = NULL, /* Use inline code in bus.h */
84 .bs_w_2 = NULL, /* Use inline code in bus.h */
85 .bs_w_4 = NULL, /* Use inline code in bus.h */
86 .bs_w_8 = NULL, /* Use inline code in bus.h */
87
88 /* write multiple */
89 .bs_wm_1 = generic_bs_wm_1,
90 .bs_wm_2 = generic_bs_wm_2,
91 .bs_wm_4 = generic_bs_wm_4,
92 .bs_wm_8 = BS_UNIMPLEMENTED,
93
94 /* write region */
95 .bs_wr_1 = generic_bs_wr_1,
96 .bs_wr_2 = generic_bs_wr_2,
97 .bs_wr_4 = generic_bs_wr_4,
98 .bs_wr_8 = BS_UNIMPLEMENTED,
99
100 /* set multiple */
101 .bs_sm_1 = BS_UNIMPLEMENTED,
102 .bs_sm_2 = BS_UNIMPLEMENTED,
103 .bs_sm_4 = BS_UNIMPLEMENTED,
104 .bs_sm_8 = BS_UNIMPLEMENTED,
105
106 /* set region */
107 .bs_sr_1 = generic_bs_sr_1,
108 .bs_sr_2 = generic_bs_sr_2,
109 .bs_sr_4 = generic_bs_sr_4,
110 .bs_sr_8 = BS_UNIMPLEMENTED,
111
112 /* copy */
113 .bs_c_1 = BS_UNIMPLEMENTED,
114 .bs_c_2 = generic_bs_c_2,
115 .bs_c_4 = BS_UNIMPLEMENTED,
116 .bs_c_8 = BS_UNIMPLEMENTED,
117
118 /* read stream (single) */
119 .bs_r_1_s = NULL, /* Use inline code in bus.h */
120 .bs_r_2_s = NULL, /* Use inline code in bus.h */
121 .bs_r_4_s = NULL, /* Use inline code in bus.h */
122 .bs_r_8_s = NULL, /* Use inline code in bus.h */
123
124 /* read multiple stream */
125 .bs_rm_1_s = generic_bs_rm_1,
126 .bs_rm_2_s = generic_bs_rm_2,
127 .bs_rm_4_s = generic_bs_rm_4,
128 .bs_rm_8_s = BS_UNIMPLEMENTED,
129
130 /* read region stream */
131 .bs_rr_1_s = generic_bs_rr_1,
132 .bs_rr_2_s = generic_bs_rr_2,
133 .bs_rr_4_s = generic_bs_rr_4,
134 .bs_rr_8_s = BS_UNIMPLEMENTED,
135
136 /* write stream (single) */
137 .bs_w_1_s = NULL, /* Use inline code in bus.h */
138 .bs_w_2_s = NULL, /* Use inline code in bus.h */
139 .bs_w_4_s = NULL, /* Use inline code in bus.h */
140 .bs_w_8_s = NULL, /* Use inline code in bus.h */
141
142 /* write multiple stream */
143 .bs_wm_1_s = generic_bs_wm_1,
144 .bs_wm_2_s = generic_bs_wm_2,
145 .bs_wm_4_s = generic_bs_wm_4,
146 .bs_wm_8_s = BS_UNIMPLEMENTED,
147
148 /* write region stream */
149 .bs_wr_1_s = generic_bs_wr_1,
150 .bs_wr_2_s = generic_bs_wr_2,
151 .bs_wr_4_s = generic_bs_wr_4,
152 .bs_wr_8_s = BS_UNIMPLEMENTED,
153 };
154
155 #ifdef FDT
156 bus_space_tag_t fdtbus_bs_tag = &arm_base_bus_space;
157 #endif
158
159 bus_space_tag_t arm_base_bs_tag = &arm_base_bus_space;
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