tcp: remove check for condition that never happens
[freebsd/src.git] / sys / powerpc / powermac / viareg.h
blob6acf01aa7ce5ead72dd0790f9f9dd0e21122afa8
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (C) 2008 Nathan Whitehorn
5 * All rights reserved.
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.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #ifndef _POWERPC_VIAREG_H_
29 #define _POWERPC_VIAREG_H_
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 */
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
51 #endif /* _POWERPC_VIAREG_H_ */