xref: /OK3568_Linux_fs/kernel/drivers/tty/serial/timbuart.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * timbuart.c timberdale FPGA GPIO driver
4*4882a593Smuzhiyun  * Copyright (c) 2009 Intel Corporation
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun /* Supports:
8*4882a593Smuzhiyun  * Timberdale FPGA UART
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #ifndef _TIMBUART_H
12*4882a593Smuzhiyun #define _TIMBUART_H
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #define TIMBUART_FIFO_SIZE	2048
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #define TIMBUART_RXFIFO		0x08
17*4882a593Smuzhiyun #define TIMBUART_TXFIFO		0x0c
18*4882a593Smuzhiyun #define TIMBUART_IER		0x10
19*4882a593Smuzhiyun #define TIMBUART_IPR		0x14
20*4882a593Smuzhiyun #define TIMBUART_ISR		0x18
21*4882a593Smuzhiyun #define TIMBUART_CTRL		0x1c
22*4882a593Smuzhiyun #define TIMBUART_BAUDRATE	0x20
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #define TIMBUART_CTRL_RTS	0x01
25*4882a593Smuzhiyun #define TIMBUART_CTRL_CTS	0x02
26*4882a593Smuzhiyun #define TIMBUART_CTRL_FLSHTX	0x40
27*4882a593Smuzhiyun #define TIMBUART_CTRL_FLSHRX	0x80
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun #define TXBF		0x01
30*4882a593Smuzhiyun #define TXBAE		0x02
31*4882a593Smuzhiyun #define CTS_DELTA	0x04
32*4882a593Smuzhiyun #define RXDP		0x08
33*4882a593Smuzhiyun #define RXBAF		0x10
34*4882a593Smuzhiyun #define RXBF		0x20
35*4882a593Smuzhiyun #define RXTT		0x40
36*4882a593Smuzhiyun #define RXBNAE		0x80
37*4882a593Smuzhiyun #define TXBE		0x100
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun #define RXFLAGS (RXDP | RXBAF | RXBF | RXTT | RXBNAE)
40*4882a593Smuzhiyun #define TXFLAGS (TXBF | TXBAE)
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun #define TIMBUART_MAJOR 204
43*4882a593Smuzhiyun #define TIMBUART_MINOR 192
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun #endif /* _TIMBUART_H */
46*4882a593Smuzhiyun 
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