xref: /freebsd/sys/powerpc/powermac/viareg.h (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
1 /*-
2  * Copyright (C) 2008 Nathan Whitehorn
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
21  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
22  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
23  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  */
27 
28 #ifndef	_POWERPC_VIAREG_H_
29 #define	_POWERPC_VIAREG_H_
30 
31 /* VIA interface registers */
32 #define vBufB		0x0000	/* register B */
33 #define vDirB		0x0400	/* data direction register */
34 #define vDirA		0x0600	/* data direction register */
35 #define vT1C		0x0800	/* Timer 1 counter Lo */
36 #define vT1CH		0x0a00	/* Timer 1 counter Hi */
37 #define vSR		0x1400	/* shift register */
38 #define vACR		0x1600	/* aux control register */
39 #define vPCR		0x1800	/* peripheral control register */
40 #define vIFR		0x1a00	/* interrupt flag register */
41 #define vIER		0x1c00	/* interrupt enable register */
42 #define vBufA		0x1e00	/* register A */
43 
44 #define vPB		0x0000
45 #define vPB3		0x08
46 #define vPB4		0x10
47 #define vPB5		0x20
48 #define vSR_INT		0x04
49 #define vSR_OUT		0x10
50 
51 #endif /* _POWERPC_VIAREG_H_ */
52