xref: /openbsd/sys/arch/sh/dev/scireg.h (revision 95c7671f)
1 /*	$OpenBSD: scireg.h,v 1.1.1.1 2006/10/06 21:02:55 miod Exp $	*/
2 /* $NetBSD: scireg.h,v 1.8 2003/07/01 11:49:37 uwe Exp $ */
3 
4 /*-
5  * Copyright (C) 1999 SAITOH Masanobu.  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. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 /*
31  * Serial Communication Interface (SCI)
32  */
33 
34 #if !defined(SH4)
35 
36 /* SH3 definitions */
37 
38 #define	SHREG_SCSMR	(*(volatile unsigned char *)	0xFFFFFE80)
39 #define	SHREG_SCBRR	(*(volatile unsigned char *)	0xFFFFFE82)
40 #define	SHREG_SCSCR	(*(volatile unsigned char *)	0xFFFFFE84)
41 #define	SHREG_SCTDR	(*(volatile unsigned char *)	0xFFFFFE86)
42 #define	SHREG_SCSSR	(*(volatile unsigned char *)	0xFFFFFE88)
43 #define	SHREG_SCRDR	(*(volatile unsigned char *)	0xFFFFFE8A)
44 #define	SHREG_SCSPDR	(*(volatile unsigned char *)	0xf4000136)
45 
46 #else
47 
48 /* SH4 definitions */
49 
50 #define	SHREG_SCSMR	(*(volatile unsigned char *)	0xffe00000)
51 #define	SHREG_SCBRR	(*(volatile unsigned char *)	0xffe00004)
52 #define	SHREG_SCSCR	(*(volatile unsigned char *)	0xffe00008)
53 #define	SHREG_SCTDR	(*(volatile unsigned char *)	0xffe0000c)
54 #define	SHREG_SCSSR	(*(volatile unsigned char *)	0xffe00010)
55 #define	SHREG_SCRDR	(*(volatile unsigned char *)	0xffe00014)
56 #define	SHREG_SCSPTR	(*(volatile unsigned char *)	0xffe0001c)
57 
58 #endif
59 
60 #define	SCSCR_TIE	0x80	/* Transmit Interrupt Enable */
61 #define	SCSCR_RIE	0x40	/* Receive Interrupt Enable */
62 #define	SCSCR_TE	0x20	/* Transmit Enable */
63 #define	SCSCR_RE	0x10	/* Receive Enable */
64 #define	SCSCR_MPIE	0x08	/* Multi Processor Interrupt Enable */
65 #define	SCSCR_TEIE	0x04	/* Transmit End Interrupt Enable */
66 #define	SCSCR_CKE1	0x02	/* ClocK Enable 1 */
67 #define	SCSCR_CKE0	0x01	/* ClocK Enable 0 */
68 
69 #define	SCSSR_TDRE	0x80
70 #define	SCSSR_RDRF	0x40
71 #define	SCSSR_ORER	0x20
72 #define	SCSSR_FER	0x10
73 #define	SCSSR_PER	0x08
74 
75 #define	SCSPTR_SPB1IO	0x08
76 #define	SCSPTR_SPB1DT	0x04
77 #define	SCSPTR_SPB0IO	0x02
78 #define	SCSPTR_SPB0DT	0x01
79 
80 #if defined(SH3)
81 #define	SCSPDR_SCP0DT	0x01
82 #endif
83