1/* 2 * timbuart.c timberdale FPGA GPIO driver 3 * Copyright (c) 2009 Intel Corporation 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 17 */ 18 19/* Supports: 20 * Timberdale FPGA UART 21 */ 22 23#ifndef _TIMBUART_H 24#define _TIMBUART_H 25 26#define TIMBUART_FIFO_SIZE 2048 27 28#define TIMBUART_RXFIFO 0x08 29#define TIMBUART_TXFIFO 0x0c 30#define TIMBUART_IER 0x10 31#define TIMBUART_IPR 0x14 32#define TIMBUART_ISR 0x18 33#define TIMBUART_CTRL 0x1c 34#define TIMBUART_BAUDRATE 0x20 35 36#define TIMBUART_CTRL_RTS 0x01 37#define TIMBUART_CTRL_CTS 0x02 38#define TIMBUART_CTRL_FLSHTX 0x40 39#define TIMBUART_CTRL_FLSHRX 0x80 40 41#define TXBF 0x01 42#define TXBAE 0x02 43#define CTS_DELTA 0x04 44#define RXDP 0x08 45#define RXBAF 0x10 46#define RXBF 0x20 47#define RXTT 0x40 48#define RXBNAE 0x80 49#define TXBE 0x100 50 51#define RXFLAGS (RXDP | RXBAF | RXBF | RXTT | RXBNAE) 52#define TXFLAGS (TXBF | TXBAE) 53 54#define TIMBUART_MAJOR 204 55#define TIMBUART_MINOR 192 56 57#endif /* _TIMBUART_H */ 58