xref: /netbsd-src/sys/arch/sh3/include/devreg.h (revision 8aaa114de6a656fa669615d135dcddb85e25cbd0)
1*8aaa114dSandvar /*	$NetBSD: devreg.h,v 1.7 2021/10/06 20:36:58 andvar Exp $	*/
2bbc655c4Such 
3bbc655c4Such /*-
4bbc655c4Such  * Copyright (c) 2002 The NetBSD Foundation, Inc.
5bbc655c4Such  * All rights reserved.
6bbc655c4Such  *
7bbc655c4Such  * Redistribution and use in source and binary forms, with or without
8bbc655c4Such  * modification, are permitted provided that the following conditions
9bbc655c4Such  * are met:
10bbc655c4Such  * 1. Redistributions of source code must retain the above copyright
11bbc655c4Such  *    notice, this list of conditions and the following disclaimer.
12bbc655c4Such  * 2. Redistributions in binary form must reproduce the above copyright
13bbc655c4Such  *    notice, this list of conditions and the following disclaimer in the
14bbc655c4Such  *    documentation and/or other materials provided with the distribution.
15bbc655c4Such  *
16bbc655c4Such  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17bbc655c4Such  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18bbc655c4Such  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19bbc655c4Such  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20bbc655c4Such  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21bbc655c4Such  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22bbc655c4Such  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23bbc655c4Such  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24bbc655c4Such  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25bbc655c4Such  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26bbc655c4Such  * POSSIBILITY OF SUCH DAMAGE.
27bbc655c4Such  */
28bbc655c4Such 
29bbc655c4Such #ifndef _SH3_DEVREG_H_
30bbc655c4Such #define	_SH3_DEVREG_H_
31bbc655c4Such /*
32*8aaa114dSandvar  * SH embedded device register defines.
33bbc655c4Such  */
34bbc655c4Such 
35bbc655c4Such /*
36bbc655c4Such  * Access method
37bbc655c4Such  */
38530e77afSuwe #define	_reg_read_1(a)		(*(volatile uint8_t *)((vaddr_t)(a)))
39530e77afSuwe #define	_reg_read_2(a)		(*(volatile uint16_t *)((vaddr_t)(a)))
40530e77afSuwe #define	_reg_read_4(a)		(*(volatile uint32_t *)((vaddr_t)(a)))
41bbc655c4Such #define	_reg_write_1(a, v)						\
42530e77afSuwe 	(*(volatile uint8_t *)(a)  = (uint8_t)(v))
43bbc655c4Such #define	_reg_write_2(a, v)						\
44530e77afSuwe 	(*(volatile uint16_t *)(a) = (uint16_t)(v))
45bbc655c4Such #define	_reg_write_4(a, v)						\
46530e77afSuwe 	(*(volatile uint32_t *)(a) = (uint32_t)(v))
47d7fe782bStsutsui #define	_reg_bset_1(a, v)						\
48530e77afSuwe 	(*(volatile uint8_t *)(a)  |= (uint8_t)(v))
49d7fe782bStsutsui #define	_reg_bset_2(a, v)						\
50530e77afSuwe 	(*(volatile uint16_t *)(a) |= (uint16_t)(v))
51d7fe782bStsutsui #define	_reg_bset_4(a, v)						\
52530e77afSuwe 	(*(volatile uint32_t *)(a) |= (uint32_t)(v))
53d7fe782bStsutsui #define	_reg_bclr_1(a, v)						\
54530e77afSuwe 	(*(volatile uint8_t *)(a)  &= ~(uint8_t)(v))
55d7fe782bStsutsui #define	_reg_bclr_2(a, v)						\
56530e77afSuwe 	(*(volatile uint16_t *)(a) &= ~(uint16_t)(v))
57d7fe782bStsutsui #define	_reg_bclr_4(a, v)						\
58530e77afSuwe 	(*(volatile uint32_t *)(a) &= ~(uint32_t)(v))
59bbc655c4Such 
60bbc655c4Such /*
61bbc655c4Such  * Register address.
62bbc655c4Such  */
63bbc655c4Such #if defined(SH3) && defined(SH4)
64bbc655c4Such #define	SH_(x)		__sh_ ## x
65bbc655c4Such #elif defined(SH3)
66bbc655c4Such #define	SH_(x)		SH3_ ## x
67bbc655c4Such #elif defined(SH4)
68bbc655c4Such #define	SH_(x)		SH4_ ## x
69bbc655c4Such #endif
70bbc655c4Such 
71bbc655c4Such #ifndef _LOCORE
72bbc655c4Such /* Initialize register address for SH3 && SH4 kernel. */
73bbc655c4Such void sh_devreg_init(void);
74bbc655c4Such #endif
75bbc655c4Such #endif /* !_SH3_DEVREG_H_ */
76