xref: /netbsd-src/sys/arch/cobalt/stand/boot/zs.h (revision b87210fa510e6eecfd48e218f3aefcb05cbe4636)
1 /*	$NetBSD: zs.h,v 1.3 2008/05/14 13:29:28 tsutsui Exp $	*/
2 
3 /*-
4  * Copyright (c) 2008 Izumi Tsutsui.  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  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 /*
28  * optional Z85C30 serial on Qube 2700
29  */
30 
31 /* A/~B (Channel A/Channel B) pin is connected to DAdr0 */
32 #define ZS_CHAN_A	0x01
33 #define ZS_CHAN_B	0x00
34 
35 /* D/~C (Data/Control) pin is connected to DAdr1 */
36 #define ZS_CSR		0x00
37 #define ZS_DATA		0x02
38 
39 #ifndef ZSPROBE
40 #define ZSPROBE		0xa020001c
41 #endif
42 
43 void *zs_init(int, int);
44 void zs_putc(void *, int);
45 int zs_getc(void *);
46 int zs_scan(void *);
47