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Annotation of sys/arch/sh/include/devreg.h, Revision 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_ */