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 #ifndef _ADMUART_H 34 #define _ADMUART_H 35 /* UART registers */ 36 #define UART_DR_REG 0x00 37 #define UART_RSR_REG 0x04 38 #define UART_RSR_FE 0x01 39 #define UART_RSR_PE 0x02 40 #define UART_RSR_BE 0x04 41 #define UART_RSR_OE 0x08 42 #define UART_ECR_REG 0x04 43 #define UART_ECR_RSR 0x80 44 #define UART_LCR_H_REG 0x08 45 #define UART_LCR_M_REG 0x0c 46 #define UART_LCR_L_REG 0x10 47 #define UART_CR_REG 0x14 48 #define UART_CR_PORT_EN 0x01 49 #define UART_CR_SIREN 0x02 50 #define UART_CR_SIRLP 0x04 51 #define UART_CR_MODEM_STATUS_INT_EN 0x08 52 #define UART_CR_RX_INT_EN 0x10 53 #define UART_CR_TX_INT_EN 0x20 54 #define UART_CR_RX_TIMEOUT_INT_EN 0x40 55 #define UART_CR_LOOPBACK_EN 0x80 56 #define UART_FR_REG 0x18 57 #define UART_FR_CTS 0x01 58 #define UART_FR_DSR 0x02 59 #define UART_FR_DCD 0x04 60 #define UART_FR_BUSY 0x08 61 #define UART_FR_RX_FIFO_EMPTY 0x10 62 #define UART_FR_TX_FIFO_FULL 0x20 63 #define UART_FR_RX_FIFO_FULL 0x40 64 #define UART_FR_TX_FIFO_EMPTY 0x80 65 #define UART_IR_REG 0x1c 66 #define UART_IR_MODEM_STATUS_INT 0x01 67 #define UART_IR_RX_INT 0x02 68 #define UART_IR_TX_INT 0x04 69 #define UART_IR_RX_TIMEOUT_INT 0x08 70 #define UART_IR_INT_MASK 0x0f 71 #define UART_ILPR_REG 0x20 72 73 /* UART interrupts */ 74 75 int uart_cnattach(void); 76 #endif /* _ADMUART_H */ 77