Annotation of sys/arch/sh/include/devreg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: devreg.h,v 1.2 2007/02/11 22:56:06 martin Exp $ */
2: /* $NetBSD: devreg.h,v 1.5 2006/01/21 04:57:07 uwe Exp $ */
3:
4: /*-
5: * Copyright (c) 2002 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the NetBSD
19: * Foundation, Inc. and its contributors.
20: * 4. Neither the name of The NetBSD Foundation nor the names of its
21: * contributors may be used to endorse or promote products derived
22: * from this software without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
25: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
28: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34: * POSSIBILITY OF SUCH DAMAGE.
35: */
36:
37: #ifndef _SH_DEVREG_H_
38: #define _SH_DEVREG_H_
39: /*
40: * SH embedded device register defines.
41: */
42:
43: /*
44: * Access method
45: */
46: #define _reg_read_1(a) (*(volatile uint8_t *)((vaddr_t)(a)))
47: #define _reg_read_2(a) (*(volatile uint16_t *)((vaddr_t)(a)))
48: #define _reg_read_4(a) (*(volatile uint32_t *)((vaddr_t)(a)))
49: #define _reg_write_1(a, v) \
50: (*(volatile uint8_t *)(a) = (uint8_t)(v))
51: #define _reg_write_2(a, v) \
52: (*(volatile uint16_t *)(a) = (uint16_t)(v))
53: #define _reg_write_4(a, v) \
54: (*(volatile uint32_t *)(a) = (uint32_t)(v))
55: #define _reg_bset_1(a, v) \
56: (*(volatile uint8_t *)(a) |= (uint8_t)(v))
57: #define _reg_bset_2(a, v) \
58: (*(volatile uint16_t *)(a) |= (uint16_t)(v))
59: #define _reg_bset_4(a, v) \
60: (*(volatile uint32_t *)(a) |= (uint32_t)(v))
61: #define _reg_bclr_1(a, v) \
62: (*(volatile uint8_t *)(a) &= ~(uint8_t)(v))
63: #define _reg_bclr_2(a, v) \
64: (*(volatile uint16_t *)(a) &= ~(uint16_t)(v))
65: #define _reg_bclr_4(a, v) \
66: (*(volatile uint32_t *)(a) &= ~(uint32_t)(v))
67:
68: /*
69: * Register address.
70: */
71: #if defined(SH3) && defined(SH4)
72: #define SH_(x) __sh_ ## x
73: #elif defined(SH3)
74: #define SH_(x) SH3_ ## x
75: #elif defined(SH4)
76: #define SH_(x) SH4_ ## x
77: #endif
78:
79: #ifndef _LOCORE
80: /* Initialize register address for SH3 && SH4 kernel. */
81: void sh_devreg_init(void);
82: #endif
83: #endif /* !_SH_DEVREG_H_ */
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