xref: /netbsd/sys/arch/arm/xscale/pxa2x0_a4x_space.c (revision c4a72b64)
1 /*	$NetBSD: pxa2x0_a4x_space.c,v 1.1 2002/10/19 19:31:39 bsh Exp $ */
2 
3 /*
4  * Copyright (c) 2002  Genetec Corporation.  All rights reserved.
5  * Written by Hiroyuki Bessho for Genetec Corporation.
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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed for the NetBSD Project by
18  *	Genetec Corporation.
19  * 4. The name of Genetec Corporation may not be used to endorse or
20  *    promote products derived from this software without specific prior
21  *    written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33  * POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 /*
37  * Bus space tag for 8/16-bit devices on 32-bit bus.
38  * all registers are located at the address of multiple of 4.
39  */
40 
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 
44 #include <uvm/uvm_extern.h>
45 
46 #include <machine/bus.h>
47 
48 /* Prototypes for all the bus_space structure functions */
49 bs_protos(pxa2x0);
50 bs_protos(a4x);
51 bs_protos(generic);
52 bs_protos(generic_armv4);
53 bs_protos(bs_notimpl);
54 
55 struct bus_space pxa2x0_a4x_bs_tag = {
56 	/* cookie */
57 	(void *) 0,
58 
59 	/* mapping/unmapping */
60 	pxa2x0_bs_map,
61 	pxa2x0_bs_unmap,
62 	pxa2x0_bs_subregion,
63 
64 	/* allocation/deallocation */
65 	pxa2x0_bs_alloc,	/* not implemented */
66 	pxa2x0_bs_free,		/* not implemented */
67 
68 	/* get kernel virtual address */
69 	pxa2x0_bs_vaddr,
70 
71 	/* mmap */
72 	bs_notimpl_bs_mmap,
73 
74 	/* barrier */
75 	pxa2x0_bs_barrier,
76 
77 	/* read (single) */
78 	a4x_bs_r_1,
79 	a4x_bs_r_2,
80 	a4x_bs_r_4,
81 	bs_notimpl_bs_r_8,
82 
83 	/* read multiple */
84 	a4x_bs_rm_1,
85 	a4x_bs_rm_2,
86 	bs_notimpl_bs_rm_4,
87 	bs_notimpl_bs_rm_8,
88 
89 	/* read region */
90 	bs_notimpl_bs_rr_1,
91 	bs_notimpl_bs_rr_2,
92 	bs_notimpl_bs_rr_4,
93 	bs_notimpl_bs_rr_8,
94 
95 	/* write (single) */
96 	a4x_bs_w_1,
97 	a4x_bs_w_2,
98 	a4x_bs_w_4,
99 	bs_notimpl_bs_w_8,
100 
101 	/* write multiple */
102 	a4x_bs_wm_1,
103 	a4x_bs_wm_2,
104 	bs_notimpl_bs_wm_4,
105 	bs_notimpl_bs_wm_8,
106 
107 	/* write region */
108 	bs_notimpl_bs_wr_1,
109 	bs_notimpl_bs_wr_2,
110 	bs_notimpl_bs_wr_4,
111 	bs_notimpl_bs_wr_8,
112 
113 	/* set multiple */
114 	bs_notimpl_bs_sm_1,
115 	bs_notimpl_bs_sm_2,
116 	bs_notimpl_bs_sm_4,
117 	bs_notimpl_bs_sm_8,
118 
119 	/* set region */
120 	bs_notimpl_bs_sr_1,
121 	bs_notimpl_bs_sr_2,
122 	bs_notimpl_bs_sr_4,
123 	bs_notimpl_bs_sr_8,
124 
125 	/* copy */
126 	bs_notimpl_bs_c_1,
127 	bs_notimpl_bs_c_2,
128 	bs_notimpl_bs_c_4,
129 	bs_notimpl_bs_c_8,
130 };
131 
132 
133 
134