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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 |