| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame^] | 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 | |