1/* $NetBSD: uart.h,v 1.1 2007/03/20 08:52:02 dyoung Exp $ */
2
3/*-
4 * Copyright (c) 2007 Ruslan Ermilov and Vsevolod Lobko.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or
8 * without modification, are permitted provided that the following
9 * conditions 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
13 *    copyright notice, this list of conditions and the following
14 *    disclaimer in the documentation and/or other materials provided
15 *    with the distribution.
16 * 3. The names of the authors may not be used to endorse or promote
17 *    products derived from this software without specific prior
18 *    written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY
21 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
23 * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
25 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
27 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
29 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31 * OF SUCH DAMAGE.
32 *
33 * $FreeBSD$
34 */
35#ifndef	_ADMUART_H
36#define	_ADMUART_H
37/* UART registers */
38#define	UART_DR_REG	0x00
39#define	UART_RSR_REG	0x04
40#define		UART_RSR_FE			0x01
41#define		UART_RSR_PE			0x02
42#define		UART_RSR_BE			0x04
43#define		UART_RSR_OE			0x08
44#define	UART_ECR_REG	0x04
45#define		UART_ECR_RSR			0x80
46#define	UART_LCR_H_REG	0x08
47#define		UART_LCR_H_FEN			0x10
48#define	UART_LCR_M_REG	0x0c
49#define	UART_LCR_L_REG	0x10
50#define	UART_CR_REG	0x14
51#define 	UART_CR_PORT_EN			0x01
52#define 	UART_CR_SIREN			0x02
53#define 	UART_CR_SIRLP			0x04
54#define 	UART_CR_MODEM_STATUS_INT_EN	0x08
55#define 	UART_CR_RX_INT_EN		0x10
56#define 	UART_CR_TX_INT_EN		0x20
57#define 	UART_CR_RX_TIMEOUT_INT_EN	0x40
58#define 	UART_CR_LOOPBACK_EN		0x80
59#define	UART_FR_REG	0x18
60#define		UART_FR_CTS		0x01
61#define		UART_FR_DSR		0x02
62#define		UART_FR_DCD		0x04
63#define		UART_FR_BUSY		0x08
64#define		UART_FR_RX_FIFO_EMPTY	0x10
65#define		UART_FR_TX_FIFO_FULL	0x20
66#define		UART_FR_RX_FIFO_FULL	0x40
67#define		UART_FR_TX_FIFO_EMPTY	0x80
68#define	UART_IR_REG	0x1c
69#define		UART_IR_MODEM_STATUS_INT	0x01
70#define		UART_IR_RX_INT			0x02
71#define		UART_IR_TX_INT			0x04
72#define		UART_IR_RX_TIMEOUT_INT		0x08
73#define		UART_IR_INT_MASK		0x0f
74#define		UART_IR_UICR			0x80
75#define	UART_ILPR_REG	0x20
76
77/* UART interrupts */
78
79int	uart_cnattach(void);
80#endif	/* _ADMUART_H */
81