1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * timbuart.c timberdale FPGA GPIO driver
4 * Copyright (c) 2009 Intel Corporation
5 */
6
7/* Supports:
8 * Timberdale FPGA UART
9 */
10
11#ifndef _TIMBUART_H
12#define _TIMBUART_H
13
14#define TIMBUART_FIFO_SIZE	2048
15
16#define TIMBUART_RXFIFO		0x08
17#define TIMBUART_TXFIFO		0x0c
18#define TIMBUART_IER		0x10
19#define TIMBUART_IPR		0x14
20#define TIMBUART_ISR		0x18
21#define TIMBUART_CTRL		0x1c
22#define TIMBUART_BAUDRATE	0x20
23
24#define TIMBUART_CTRL_RTS	0x01
25#define TIMBUART_CTRL_CTS	0x02
26#define TIMBUART_CTRL_FLSHTX	0x40
27#define TIMBUART_CTRL_FLSHRX	0x80
28
29#define TXBF		0x01
30#define TXBAE		0x02
31#define CTS_DELTA	0x04
32#define RXDP		0x08
33#define RXBAF		0x10
34#define RXBF		0x20
35#define RXTT		0x40
36#define RXBNAE		0x80
37#define TXBE		0x100
38
39#define RXFLAGS (RXDP | RXBAF | RXBF | RXTT | RXBNAE)
40#define TXFLAGS (TXBF | TXBAE)
41
42#define TIMBUART_MAJOR 204
43#define TIMBUART_MINOR 192
44
45#endif /* _TIMBUART_H */
46
47