1178173Simp/* $NetBSD: uart.h,v 1.1 2007/03/20 08:52:02 dyoung Exp $ */
2178173Simp
3178173Simp/*-
4178173Simp * Copyright (c) 2007 Ruslan Ermilov and Vsevolod Lobko.
5178173Simp * All rights reserved.
6178173Simp *
7178173Simp * Redistribution and use in source and binary forms, with or
8178173Simp * without modification, are permitted provided that the following
9178173Simp * conditions are met:
10178173Simp * 1. Redistributions of source code must retain the above copyright
11178173Simp *    notice, this list of conditions and the following disclaimer.
12178173Simp * 2. Redistributions in binary form must reproduce the above
13178173Simp *    copyright notice, this list of conditions and the following
14178173Simp *    disclaimer in the documentation and/or other materials provided
15178173Simp *    with the distribution.
16178173Simp * 3. The names of the authors may not be used to endorse or promote
17178173Simp *    products derived from this software without specific prior
18178173Simp *    written permission.
19178173Simp *
20178173Simp * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY
21178173Simp * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22178173Simp * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
23178173Simp * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS
24178173Simp * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
25178173Simp * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26178173Simp * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
27178173Simp * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28178173Simp * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
29178173Simp * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
30178173Simp * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31178173Simp * OF SUCH DAMAGE.
32178173Simp *
33178173Simp * $FreeBSD$
34178173Simp */
35178173Simp#ifndef	_ADMUART_H
36178173Simp#define	_ADMUART_H
37178173Simp/* UART registers */
38178173Simp#define	UART_DR_REG	0x00
39178173Simp#define	UART_RSR_REG	0x04
40178173Simp#define		UART_RSR_FE			0x01
41178173Simp#define		UART_RSR_PE			0x02
42178173Simp#define		UART_RSR_BE			0x04
43178173Simp#define		UART_RSR_OE			0x08
44178173Simp#define	UART_ECR_REG	0x04
45178173Simp#define		UART_ECR_RSR			0x80
46178173Simp#define	UART_LCR_H_REG	0x08
47178173Simp#define		UART_LCR_H_FEN			0x10
48178173Simp#define	UART_LCR_M_REG	0x0c
49178173Simp#define	UART_LCR_L_REG	0x10
50178173Simp#define	UART_CR_REG	0x14
51178173Simp#define 	UART_CR_PORT_EN			0x01
52178173Simp#define 	UART_CR_SIREN			0x02
53178173Simp#define 	UART_CR_SIRLP			0x04
54178173Simp#define 	UART_CR_MODEM_STATUS_INT_EN	0x08
55178173Simp#define 	UART_CR_RX_INT_EN		0x10
56178173Simp#define 	UART_CR_TX_INT_EN		0x20
57178173Simp#define 	UART_CR_RX_TIMEOUT_INT_EN	0x40
58178173Simp#define 	UART_CR_LOOPBACK_EN		0x80
59178173Simp#define	UART_FR_REG	0x18
60178173Simp#define		UART_FR_CTS		0x01
61178173Simp#define		UART_FR_DSR		0x02
62178173Simp#define		UART_FR_DCD		0x04
63178173Simp#define		UART_FR_BUSY		0x08
64178173Simp#define		UART_FR_RX_FIFO_EMPTY	0x10
65178173Simp#define		UART_FR_TX_FIFO_FULL	0x20
66178173Simp#define		UART_FR_RX_FIFO_FULL	0x40
67178173Simp#define		UART_FR_TX_FIFO_EMPTY	0x80
68178173Simp#define	UART_IR_REG	0x1c
69178173Simp#define		UART_IR_MODEM_STATUS_INT	0x01
70178173Simp#define		UART_IR_RX_INT			0x02
71178173Simp#define		UART_IR_TX_INT			0x04
72178173Simp#define		UART_IR_RX_TIMEOUT_INT		0x08
73178173Simp#define		UART_IR_INT_MASK		0x0f
74178173Simp#define		UART_IR_UICR			0x80
75178173Simp#define	UART_ILPR_REG	0x20
76178173Simp
77178173Simp/* UART interrupts */
78178173Simp
79178173Simpint	uart_cnattach(void);
80178173Simp#endif	/* _ADMUART_H */
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