1 /*	$NetBSD: hd64461uartreg.h,v 1.3 2002/02/11 17:21:48 uch Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by UCHIYAMA Yasushi.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * UART module Register
41  */
42 /* Receiver Buffer Register (r) */
43 #define HD64461_URBR_REG8			0xb0008000
44 /* Transmitter Buffer Register (w) */
45 #define HD64461_UTBR_REG8			0xb0008000
46 /* Interrupt Enable Register */
47 #define HD64461_UIER_REG8			0xb0008002
48 /* Interrupt Identification Register (r) */
49 #define HD64461_UIIR_REG8			0xb0008004
50 /* FIFO Control Register (w) */
51 #define HD64461_UFCR_REG8			0xb0008004
52 /* Line Control Register */
53 #define HD64461_ULCR_REG8			0xb0008006
54 /* Modem Control Register */
55 #define HD64461_UMCR_REG8			0xb0008008
56 /* Divisor Latch LSB */
57 #define HD64461_UDLL_REG8			0xb0008000
58 /* Divisor Latch MSB */
59 #define HD64461_UDLM_REG8			0xb0008002
60 /* Line Status Register */
61 #define HD64461_ULSR_REG8			0xb000800a
62 /* Modem Status Register */
63 #define HD64461_UMSR_REG8			0xb000800c
64 /* Scratch Pad Register */
65 #define HD64461_USCR_REG8			0xb000800e
66 
67 #define	LSR_TXRDY	0x20	/* Transmitter buffer empty */
68