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1 /*-
2  * Copyright (C) 2012, 2013 FreeBSD Foundation
3  * All rights reserved.
4  *
5  * This software was developed by Oleksandr Tymoshenko under sponsorship
6  * from the FreeBSD Foundation.
7  * Portions of this software were developed by Oleksandr Rybalko
8  * under sponsorship from the FreeBSD Foundation.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of MARVELL nor the names of contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
37
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/bus.h>
41 #include <sys/kernel.h>
42 #include <sys/malloc.h>
43
44 #include <machine/bus.h>
45
46 /* Prototypes for all the bus_space structure functions */
47 bs_protos(generic);
48 bs_protos(generic_armv4);
49
50 struct bus_space _base_tag = {
51         /* cookie */
52         .bs_cookie      = (void *) 0,
53
54         /* mapping/unmapping */
55         .bs_map         = generic_bs_map,
56         .bs_unmap       = generic_bs_unmap,
57         .bs_subregion   = generic_bs_subregion,
58
59         /* allocation/deallocation */
60         .bs_alloc       = generic_bs_alloc,
61         .bs_free        = generic_bs_free,
62
63         /* barrier */
64         .bs_barrier     = generic_bs_barrier,
65
66         /* read (single) */
67         .bs_r_1         = generic_bs_r_1,
68         .bs_r_2         = generic_armv4_bs_r_2,
69         .bs_r_4         = generic_bs_r_4,
70         .bs_r_8         = NULL,
71
72         /* read multiple */
73         .bs_rm_1        = generic_bs_rm_1,
74         .bs_rm_2        = generic_armv4_bs_rm_2,
75         .bs_rm_4        = generic_bs_rm_4,
76         .bs_rm_8        = NULL,
77
78         /* read region */
79         .bs_rr_1        = generic_bs_rr_1,
80         .bs_rr_2        = generic_armv4_bs_rr_2,
81         .bs_rr_4        = generic_bs_rr_4,
82         .bs_rr_8        = NULL,
83
84         /* write (single) */
85         .bs_w_1         = generic_bs_w_1,
86         .bs_w_2         = generic_armv4_bs_w_2,
87         .bs_w_4         = generic_bs_w_4,
88         .bs_w_8         = NULL,
89
90         /* write multiple */
91         .bs_wm_1        = generic_bs_wm_1,
92         .bs_wm_2        = generic_armv4_bs_wm_2,
93         .bs_wm_4        = generic_bs_wm_4,
94         .bs_wm_8        = NULL,
95
96         /* write region */
97         .bs_wr_1        = generic_bs_wr_1,
98         .bs_wr_2        = generic_armv4_bs_wr_2,
99         .bs_wr_4        = generic_bs_wr_4,
100         .bs_wr_8        = NULL,
101
102         /* read multiple stream */
103         .bs_rm_1_s      = generic_bs_rm_1,
104         .bs_rm_2_s      = generic_armv4_bs_rm_2,
105         .bs_rm_4_s      = generic_bs_rm_4,
106         .bs_rm_8_s      = NULL,
107
108         /* write multiple stream */
109         .bs_wm_1_s      = generic_bs_wm_1,
110         .bs_wm_2_s      = generic_armv4_bs_wm_2,
111         .bs_wm_4_s      = generic_bs_wm_4,
112         .bs_wm_8_s      = NULL,
113
114         /* set multiple */
115         /* XXX not implemented */
116
117         /* set region */
118         .bs_sr_1        = NULL,
119         .bs_sr_2        = generic_armv4_bs_sr_2,
120         .bs_sr_4        = generic_bs_sr_4,
121         .bs_sr_8        = NULL,
122
123         /* copy */
124         .bs_c_1         = NULL,
125         .bs_c_2         = generic_armv4_bs_c_2,
126         .bs_c_4         = NULL,
127         .bs_c_8         = NULL,
128 };
129
130 bus_space_tag_t fdtbus_bs_tag = &_base_tag;