xref: /netbsd/sys/arch/sh3/include/scifreg.h (revision bf9ec67e)
1 /* $NetBSD: scifreg.h,v 1.4 2002/05/19 15:10:46 msaitoh Exp $ */
2 
3 /*-
4  * Copyright (C) 1999 SAITOH Masanobu.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _SH3_SCIFREG_H_
30 #define	_SH3_SCIFREG_H_
31 
32 /*
33  * Serial Communication Interface (SCIF)
34  */
35 
36 #if !defined(SH4)
37 
38 /* SH3 definitions */
39 
40 #define	SHREG_SCSMR2  (*(volatile unsigned char *)	0xa4000150)
41 #define	SHREG_SCBRR2  (*(volatile unsigned char *)	0xa4000152)
42 #define	SHREG_SCSCR2  (*(volatile unsigned char *)	0xa4000154)
43 #define	SHREG_SCFTDR2 (*(volatile unsigned char *)	0xa4000156)
44 #define	SHREG_SCSSR2  (*(volatile unsigned short *)	0xa4000158)
45 #define	SHREG_SCFRDR2 (*(volatile unsigned char *)	0xa400015A)
46 #define	SHREG_SCFCR2  (*(volatile unsigned char *)	0xa400015C)
47 #define	SHREG_SCFDR2  (*(volatile unsigned short *)	0xa400015E)
48 
49 #define	SCSCR2_TIE	0x80	/* Transmit Interrupt Enable */
50 #define	SCSCR2_RIE	0x40	/* Recieve Interrupt Enable */
51 #define	SCSCR2_TE	0x20	/* Transmit Enable */
52 #define	SCSCR2_RE	0x10	/* Receive Enable */
53 #define	SCSCR2_CKE1	0x02	/* ClocK Enable 1 */
54 #define	SCSCR2_CKE0	0x01	/* ClocK Enable 0 */
55 
56 #define	SCSSR2_ER	0x0080	/* ERror */
57 #define	SCSSR2_TEND	0x0040	/* Transmit END */
58 #define	SCSSR2_TDFE	0x0020	/* Transmit Data Fifo Empty */
59 #define	SCSSR2_BRK	0x0010	/* BReaK detection */
60 #define	SCSSR2_FER	0x0008	/* Framing ERror */
61 #define	SCSSR2_PER	0x0004	/* Parity ERror */
62 #define	SCSSR2_RDF	0x0002	/* Recieve fifo Data Full */
63 #define	SCSSR2_DR	0x0001	/* Data Ready */
64 
65 #define	SCFCR2_RTRG1	0x80	/* Receive TRiGger 1 */
66 #define	SCFCR2_RTRG0	0x40	/* Receive TRiGger 0 */
67 #define	SCFCR2_TTRG1	0x20	/* Transmit TRiGger 1 */
68 #define	SCFCR2_TTRG0	0x10	/* Transmit TRiGger 0 */
69 #define	SCFCR2_MCE	0x08	/* Modem Control Enable */
70 #define	SCFCR2_TFRST	0x04	/* Transmit Fifo register ReSeT */
71 #define	SCFCR2_RFRST	0x02	/* Receive Fifo register ReSeT */
72 #define	SCFCR2_LOOP	0x01	/* LOOP back test */
73 #define	FIFO_RCV_TRIGGER_1	0x00
74 #define	FIFO_RCV_TRIGGER_4	0x40
75 #define	FIFO_RCV_TRIGGER_8	0x80
76 #define	FIFO_RCV_TRIGGER_14	0xc0
77 #define	FIFO_XMT_TRIGGER_8	0x00
78 #define	FIFO_XMT_TRIGGER_4	0x10
79 #define	FIFO_XMT_TRIGGER_2	0x20
80 #define	FIFO_XMT_TRIGGER_1	0x30
81 
82 #else
83 
84 /* SH4 definitions */
85 
86 #define	SHREG_SCSMR2  (*(volatile unsigned short *)	0xffe80000)
87 #define	SHREG_SCBRR2  (*(volatile unsigned char *)	0xffe80004)
88 #define	SHREG_SCSCR2  (*(volatile unsigned short *)	0xffe80008)
89 #define	SHREG_SCFTDR2 (*(volatile unsigned char *)	0xffe8000c)
90 #define	SHREG_SCFSR2  (*(volatile unsigned short *)	0xffe80010)
91 #define	SHREG_SCFRDR2 (*(volatile unsigned char *)	0xffe80014)
92 #define	SHREG_SCFCR2  (*(volatile unsigned short *)	0xffe80018)
93 #define	SHREG_SCFDR2  (*(volatile unsigned short *)	0xffe8001c)
94 #define	SHREG_SCSPTR2 (*(volatile unsigned short *)	0xffe80020)
95 #define	SHREG_SCLSR2  (*(volatile unsigned short *)	0xffe80024)
96 
97 /* alias */
98 #define	SHREG_SCSFDR2	SHREG_SCFTDR2
99 #define	SHREG_SCSSR2	SHREG_SCFSR2
100 
101 #define	SCSCR2_TIE	0x0080	/* Transmit Interrupt Enable */
102 #define	SCSCR2_RIE	0x0040	/* Recieve Interrupt Enable */
103 #define	SCSCR2_TE	0x0020	/* Transmit Enable */
104 #define	SCSCR2_RE	0x0010	/* Receive Enable */
105 #define	SCSCR2_CKE1	0x0002	/* ClocK Enable 1 */
106 
107 #define	SCSSR2_ER	0x0080	/* ERror */
108 #define	SCSSR2_TEND	0x0040	/* Transmit END */
109 #define	SCSSR2_TDFE	0x0020	/* Transmit Data Fifo Empty */
110 #define	SCSSR2_BRK	0x0010	/* BReaK detection */
111 #define	SCSSR2_FER	0x0008	/* Framing ERror */
112 #define	SCSSR2_PER	0x0004	/* Parity ERror */
113 #define	SCSSR2_RDF	0x0002	/* Recieve fifo Data Full */
114 #define	SCSSR2_DR	0x0001	/* Data Ready */
115 
116 #define	SCFCR2_RTRG1	0x0080	/* Receive TRiGger 1 */
117 #define	SCFCR2_RTRG0	0x0040	/* Receive TRiGger 0 */
118 #define	SCFCR2_TTRG1	0x0020	/* Transmit TRiGger 1 */
119 #define	SCFCR2_TTRG0	0x0010	/* Transmit TRiGger 0 */
120 #define	SCFCR2_MCE	0x0008	/* Modem Control Enable */
121 #define	SCFCR2_TFRST	0x0004	/* Transmit Fifo register ReSeT */
122 #define	SCFCR2_RFRST	0x0002	/* Receive Fifo register ReSeT */
123 #define	SCFCR2_LOOP	0x0001	/* LOOP back test */
124 #define	FIFO_RCV_TRIGGER_1	0x0000
125 #define	FIFO_RCV_TRIGGER_4	0x0040
126 #define	FIFO_RCV_TRIGGER_8	0x0080
127 #define	FIFO_RCV_TRIGGER_14	0x00c0
128 #define	FIFO_XMT_TRIGGER_8	0x0000
129 #define	FIFO_XMT_TRIGGER_4	0x0010
130 #define	FIFO_XMT_TRIGGER_2	0x0020
131 #define	FIFO_XMT_TRIGGER_1	0x0030
132 
133 #define SCLSR2_ORER	0x0001	/* overrun error */
134 
135 #endif
136 
137 /* common definitions */
138 
139 #define	SCFDR2_TXCNT	0xff00	/* Tx CouNT */
140 #define	SCFDR2_RECVCNT	0x00ff	/* Rx CouNT */
141 #define	SCFDR2_TXF_FULL	0x1000	/* Tx FULL */
142 #define	SCFDR2_RXF_EPTY	0x0000	/* Rx EMPTY */
143 
144 #endif /* !_SH3_SCIFREG_ */
145