1 /* $NetBSD: devreg.h,v 1.3 2002/11/08 14:58:25 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 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 by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND 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 THE FOUNDATION OR CONTRIBUTORS 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 #ifndef _SH3_DEVREG_H_ 37 #define _SH3_DEVREG_H_ 38 /* 39 * SH embeded device register defines. 40 */ 41 42 /* 43 * Access method 44 */ 45 #define _reg_read_1(a) (*(__volatile__ u_int8_t *)((vaddr_t)(a))) 46 #define _reg_read_2(a) (*(__volatile__ u_int16_t *)((vaddr_t)(a))) 47 #define _reg_read_4(a) (*(__volatile__ u_int32_t *)((vaddr_t)(a))) 48 #define _reg_write_1(a, v) \ 49 (*(__volatile__ u_int8_t *)(a) = (u_int8_t)(v)) 50 #define _reg_write_2(a, v) \ 51 (*(__volatile__ u_int16_t *)(a) = (u_int16_t)(v)) 52 #define _reg_write_4(a, v) \ 53 (*(__volatile__ u_int32_t *)(a) = (u_int32_t)(v)) 54 #define _reg_bset_1(a, v) \ 55 (*(__volatile__ u_int8_t *)(a) |= (u_int8_t)(v)) 56 #define _reg_bset_2(a, v) \ 57 (*(__volatile__ u_int16_t *)(a) |= (u_int16_t)(v)) 58 #define _reg_bset_4(a, v) \ 59 (*(__volatile__ u_int32_t *)(a) |= (u_int32_t)(v)) 60 #define _reg_bclr_1(a, v) \ 61 (*(__volatile__ u_int8_t *)(a) &= (u_int8_t)~(v)) 62 #define _reg_bclr_2(a, v) \ 63 (*(__volatile__ u_int16_t *)(a) &= (u_int16_t)~(v)) 64 #define _reg_bclr_4(a, v) \ 65 (*(__volatile__ u_int32_t *)(a) &= (u_int32_t)~(v)) 66 67 /* 68 * Register address. 69 */ 70 #if defined(SH3) && defined(SH4) 71 #define SH_(x) __sh_ ## x 72 #elif defined(SH3) 73 #define SH_(x) SH3_ ## x 74 #elif defined(SH4) 75 #define SH_(x) SH4_ ## x 76 #endif 77 78 #ifndef _LOCORE 79 /* Initialize register address for SH3 && SH4 kernel. */ 80 void sh_devreg_init(void); 81 #endif 82 #endif /* !_SH3_DEVREG_H_ */ 83