Root/drivers/tty/serial/timbuart.h

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
59

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