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