xref: /openbmc/linux/drivers/tty/serial/timbuart.h (revision c4e78957)
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