xref: /netbsd/sys/arch/sh3/include/scifreg.h (revision 6550d01e)
1 /* $NetBSD: scifreg.h,v 1.10 2006/02/18 00:41:32 uwe 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 with FIFO (SCIF)
34  */
35 
36 #define SH3_SCIF0_BASE	0xa4000150
37 #define SH3_SCIF1_BASE	0xa4000140
38 
39 #define SH4_SCIF_BASE	0xffe80000
40 
41 #ifdef SH3
42 
43 /* SH3 definitions */
44 
45 #define	SCIF_SMR		0x0	/* serial mode */
46 #define	SCIF_BRR		0x2	/* bit rate */
47 #define	SCIF_SCR		0x4	/* serial control */
48 #define	SCIF_FTDR		0x6	/* transmit fifo data */
49 #define	SCIF_SSR		0x8	/* serial status */
50 #define	SCIF_FRDR		0xa	/* receive fifo data */
51 #define	SCIF_FCR		0xc	/* fifo control */
52 #define	SCIF_FDR		0xe	/* fifo data count set */
53 
54 #define	SHREG_SCSMR2  (*(volatile uint8_t  *)(SH3_SCIF0_BASE + SCIF_SMR))
55 #define	SHREG_SCBRR2  (*(volatile uint8_t  *)(SH3_SCIF0_BASE + SCIF_BRR))
56 #define	SHREG_SCSCR2  (*(volatile uint8_t  *)(SH3_SCIF0_BASE + SCIF_SCR))
57 #define	SHREG_SCFTDR2 (*(volatile uint8_t  *)(SH3_SCIF0_BASE + SCIF_FTDR))
58 #define	SHREG_SCSSR2  (*(volatile uint16_t *)(SH3_SCIF0_BASE + SCIF_SSR))
59 #define	SHREG_SCFRDR2 (*(volatile uint8_t  *)(SH3_SCIF0_BASE + SCIF_FRDR))
60 #define	SHREG_SCFCR2  (*(volatile uint8_t  *)(SH3_SCIF0_BASE + SCIF_FCR))
61 #define	SHREG_SCFDR2  (*(volatile uint16_t *)(SH3_SCIF0_BASE + SCIF_FDR))
62 
63 #else  /* !SH3 */
64 
65 /* SH4 definitions */
66 
67 #define	SCIF_SMR		0x00	/* serial mode */
68 #define	SCIF_BRR		0x04	/* bit rate */
69 #define	SCIF_SCR		0x08	/* serial control */
70 #define	SCIF_FTDR		0x0c	/* transmit fifo data */
71 #define	SCIF_SSR		0x10	/* serial status */
72 #define	SCIF_FRDR		0x14	/* receive fifo data */
73 #define	SCIF_FCR		0x18	/* fifo control */
74 #define	SCIF_FDR		0x1c	/* fifo data count set */
75 
76 #define SCIF_SPTR		0x20	/* seial port */
77 #define SCIF_LSR		0x24	/* line status */
78 
79 #define	SHREG_SCSMR2  (*(volatile uint16_t *)(SH4_SCIF_BASE + SCIF_SMR))
80 #define	SHREG_SCBRR2  (*(volatile uint8_t  *)(SH4_SCIF_BASE + SCIF_BRR))
81 #define	SHREG_SCSCR2  (*(volatile uint16_t *)(SH4_SCIF_BASE + SCIF_SCR))
82 #define	SHREG_SCFTDR2 (*(volatile uint8_t  *)(SH4_SCIF_BASE + SCIF_FTDR))
83 #define	SHREG_SCSSR2  (*(volatile uint16_t *)(SH4_SCIF_BASE + SCIF_SSR))
84 #define	SHREG_SCFRDR2 (*(volatile uint8_t  *)(SH4_SCIF_BASE + SCIF_FRDR))
85 #define	SHREG_SCFCR2  (*(volatile uint16_t *)(SH4_SCIF_BASE + SCIF_FCR))
86 #define	SHREG_SCFDR2  (*(volatile uint16_t *)(SH4_SCIF_BASE + SCIF_FDR))
87 
88 #define	SHREG_SCSPTR2 (*(volatile uint16_t *)(SH4_SCIF_BASE + SCIF_SPTR))
89 #define	SHREG_SCLSR2  (*(volatile uint16_t *)(SH4_SCIF_BASE + SCIF_LSR))
90 
91 /* alias */
92 #define	SHREG_SCSFDR2	SHREG_SCFTDR2
93 #define	SHREG_SCFSR2	SHREG_SCSSR2
94 
95 #define	SCSPTR2_RTSIO		0x0080
96 #define	SCSPTR2_RTSDT		0x0040
97 #define	SCSPTR2_CTSIO		0x0020
98 #define	SCSPTR2_CTSDT		0x0010
99 #define	SCSPTR2_SCKIO		0x0008
100 #define	SCSPTR2_SCKDT		0x0004
101 #define	SCSPTR2_SPB2IO		0x0002
102 #define	SCSPTR2_SPB2DT		0x0001
103 
104 #define SCLSR2_ORER		0x0001	/* overrun error */
105 
106 #endif /* !SH3 */
107 
108 /* SMR: serial mode */
109 #define SCSMR2_CHR		0x40	/* character width (set = 7bit) */
110 #define SCSMR2_PE		0x20	/* Parity Enable */
111 #define SCSMR2_O		0x10	/* parity mode Odd */
112 #define SCSMR2_STOP		0x08	/* STOP bit (set = 2 stop bits) */
113 #define	SCSMR2_CKS1		0x02	/* ClocK Select 1 */
114 #define	SCSMR2_CKS0		0x01	/* ClocK Select 0 */
115 
116 /* SMR: serial mode (for IrDA) */
117 #define SCSMR2_IRMOD		0x80	/* IrDA mode */
118 #define SCSMR2_ICK3		0x40
119 #define SCSMR2_ICK2		0x20
120 #define SCSMR2_ICK1		0x10
121 #define SCSMR2_ICK0		0x08
122 #define SCSMR2_PSEL		0x04	/* Pulse width SELelect */
123 
124 /* SCR: serial control */
125 #define	SCSCR2_TIE		0x80	/* Transmit Interrupt Enable */
126 #define	SCSCR2_RIE		0x40	/* Recieve Interrupt Enable */
127 #define	SCSCR2_TE		0x20	/* Transmit Enable */
128 #define	SCSCR2_RE		0x10	/* Receive Enable */
129 #define	SCSCR2_CKE1		0x02	/* ClocK Enable 1 */
130 #define	SCSCR2_CKE0		0x01	/* ClocK Enable 0 (not in sh4) */
131 
132 /* SSR: serial status */
133 #define	SCSSR2_ER		0x0080	/* ERror */
134 #define	SCSSR2_TEND		0x0040	/* Transmit END */
135 #define	SCSSR2_TDFE		0x0020	/* Transmit Data Fifo Empty */
136 #define	SCSSR2_BRK		0x0010	/* BReaK detection */
137 #define	SCSSR2_FER		0x0008	/* Framing ERror */
138 #define	SCSSR2_PER		0x0004	/* Parity ERror */
139 #define	SCSSR2_RDF		0x0002	/* Recieve fifo Data Full */
140 #define	SCSSR2_DR		0x0001	/* Data Ready */
141 
142 /* FCR: fifo control */
143 #define	SCFCR2_RTRG1		0x80	/* Receive TRiGger 1 */
144 #define	SCFCR2_RTRG0		0x40	/* Receive TRiGger 0 */
145 #define	SCFCR2_TTRG1		0x20	/* Transmit TRiGger 1 */
146 #define	SCFCR2_TTRG0		0x10	/* Transmit TRiGger 0 */
147 #define	SCFCR2_MCE		0x08	/* Modem Control Enable */
148 #define	SCFCR2_TFRST		0x04	/* Transmit Fifo register ReSeT */
149 #define	SCFCR2_RFRST		0x02	/* Receive Fifo register ReSeT */
150 #define	SCFCR2_LOOP		0x01	/* LOOP back test */
151 
152 #define	FIFO_RCV_TRIGGER_1	0x00
153 #define	FIFO_RCV_TRIGGER_4	0x40
154 #define	FIFO_RCV_TRIGGER_8	0x80
155 #define	FIFO_RCV_TRIGGER_14	0xc0
156 
157 #define	FIFO_XMT_TRIGGER_8	0x00
158 #define	FIFO_XMT_TRIGGER_4	0x10
159 #define	FIFO_XMT_TRIGGER_2	0x20
160 #define	FIFO_XMT_TRIGGER_1	0x30
161 
162 /* FDR: fifo data count set */
163 #define	SCFDR2_TXCNT		0xff00	/* Tx CouNT */
164 #define	SCFDR2_RECVCNT		0x00ff	/* Rx CouNT */
165 #define	SCFDR2_TXF_FULL		0x1000	/* Tx FULL */
166 #define	SCFDR2_RXF_EPTY		0x0000	/* Rx EMPTY */
167 
168 #endif /* !_SH3_SCIFREG_ */
169