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 */
42bs_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 */
48static 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
156bus_space_tag_t fdtbus_bs_tag = &arm_base_bus_space;
157#endif
158
159#if __ARM_ARCH < 6
160bus_space_tag_t arm_base_bs_tag = &arm_base_bus_space;
161#endif
162