xref: /netbsd/sys/arch/arm/xscale/pxa2x0_a4x_space.c (revision 6550d01e)
1 /*	$NetBSD: pxa2x0_a4x_space.c,v 1.4 2006/07/28 08:15:29 simonb 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/cdefs.h>
42 __KERNEL_RCSID(0, "$NetBSD: pxa2x0_a4x_space.c,v 1.4 2006/07/28 08:15:29 simonb Exp $");
43 
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 
47 #include <uvm/uvm_extern.h>
48 
49 #include <machine/bus.h>
50 
51 /* Prototypes for all the bus_space structure functions */
52 bs_protos(pxa2x0);
53 bs_protos(a4x);
54 bs_protos(generic);
55 bs_protos(generic_armv4);
56 bs_protos(bs_notimpl);
57 
58 struct bus_space pxa2x0_a4x_bs_tag = {
59 	/* cookie */
60 	(void *) 0,
61 
62 	/* mapping/unmapping */
63 	pxa2x0_bs_map,
64 	pxa2x0_bs_unmap,
65 	pxa2x0_bs_subregion,
66 
67 	/* allocation/deallocation */
68 	pxa2x0_bs_alloc,	/* not implemented */
69 	pxa2x0_bs_free,		/* not implemented */
70 
71 	/* get kernel virtual address */
72 	pxa2x0_bs_vaddr,
73 
74 	/* mmap */
75 	bs_notimpl_bs_mmap,
76 
77 	/* barrier */
78 	pxa2x0_bs_barrier,
79 
80 	/* read (single) */
81 	a4x_bs_r_1,
82 	a4x_bs_r_2,
83 	a4x_bs_r_4,
84 	bs_notimpl_bs_r_8,
85 
86 	/* read multiple */
87 	a4x_bs_rm_1,
88 	a4x_bs_rm_2,
89 	bs_notimpl_bs_rm_4,
90 	bs_notimpl_bs_rm_8,
91 
92 	/* read region */
93 	bs_notimpl_bs_rr_1,
94 	bs_notimpl_bs_rr_2,
95 	bs_notimpl_bs_rr_4,
96 	bs_notimpl_bs_rr_8,
97 
98 	/* write (single) */
99 	a4x_bs_w_1,
100 	a4x_bs_w_2,
101 	a4x_bs_w_4,
102 	bs_notimpl_bs_w_8,
103 
104 	/* write multiple */
105 	a4x_bs_wm_1,
106 	a4x_bs_wm_2,
107 	bs_notimpl_bs_wm_4,
108 	bs_notimpl_bs_wm_8,
109 
110 	/* write region */
111 	bs_notimpl_bs_wr_1,
112 	bs_notimpl_bs_wr_2,
113 	bs_notimpl_bs_wr_4,
114 	bs_notimpl_bs_wr_8,
115 
116 	/* set multiple */
117 	bs_notimpl_bs_sm_1,
118 	bs_notimpl_bs_sm_2,
119 	bs_notimpl_bs_sm_4,
120 	bs_notimpl_bs_sm_8,
121 
122 	/* set region */
123 	bs_notimpl_bs_sr_1,
124 	bs_notimpl_bs_sr_2,
125 	bs_notimpl_bs_sr_4,
126 	bs_notimpl_bs_sr_8,
127 
128 	/* copy */
129 	bs_notimpl_bs_c_1,
130 	bs_notimpl_bs_c_2,
131 	bs_notimpl_bs_c_4,
132 	bs_notimpl_bs_c_8,
133 };
134