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/* $NetBSD: uart.h,v 1.1 2007/03/20 08:52:02 dyoung Exp $ */
/*-
* Copyright (c) 2007 Ruslan Ermilov and Vsevolod Lobko.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _ADMUART_H
#define _ADMUART_H
/* UART registers */
#define UART_DR_REG 0x00
#define UART_RSR_REG 0x04
#define UART_RSR_FE 0x01
#define UART_RSR_PE 0x02
#define UART_RSR_BE 0x04
#define UART_RSR_OE 0x08
#define UART_ECR_REG 0x04
#define UART_ECR_RSR 0x80
#define UART_LCR_H_REG 0x08
#define UART_LCR_H_FEN 0x10
#define UART_LCR_M_REG 0x0c
#define UART_LCR_L_REG 0x10
#define UART_CR_REG 0x14
#define UART_CR_PORT_EN 0x01
#define UART_CR_SIREN 0x02
#define UART_CR_SIRLP 0x04
#define UART_CR_MODEM_STATUS_INT_EN 0x08
#define UART_CR_RX_INT_EN 0x10
#define UART_CR_TX_INT_EN 0x20
#define UART_CR_RX_TIMEOUT_INT_EN 0x40
#define UART_CR_LOOPBACK_EN 0x80
#define UART_FR_REG 0x18
#define UART_FR_CTS 0x01
#define UART_FR_DSR 0x02
#define UART_FR_DCD 0x04
#define UART_FR_BUSY 0x08
#define UART_FR_RX_FIFO_EMPTY 0x10
#define UART_FR_TX_FIFO_FULL 0x20
#define UART_FR_RX_FIFO_FULL 0x40
#define UART_FR_TX_FIFO_EMPTY 0x80
#define UART_IR_REG 0x1c
#define UART_IR_MODEM_STATUS_INT 0x01
#define UART_IR_RX_INT 0x02
#define UART_IR_TX_INT 0x04
#define UART_IR_RX_TIMEOUT_INT 0x08
#define UART_IR_INT_MASK 0x0f
#define UART_IR_UICR 0x80
#define UART_ILPR_REG 0x20
/* UART interrupts */
int uart_cnattach(void);
#endif /* _ADMUART_H */
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