diff options
| author | Richard Röjfors <richard.rojfors.ext@mocean-labs.com> | 2009-06-11 14:05:39 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-11 08:51:06 -0700 |
| commit | 34aec591847c696339189b070cce2a11f901cfea (patch) | |
| tree | b371a780186becf6daba7c229cb74821b020a879 /drivers/serial/timbuart.h | |
| parent | e960bf73ddd73714bcfbadb1717e53ecda9924cb (diff) | |
| download | linux-34aec591847c696339189b070cce2a11f901cfea.tar.bz2 | |
serial: Added Timberdale UART driver
Driver for the UART found in the Timberdale FPGA
Signed-off-by: Richard Röjfors <richard.rojfors.ext@mocean-labs.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/serial/timbuart.h')
| -rw-r--r-- | drivers/serial/timbuart.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/serial/timbuart.h b/drivers/serial/timbuart.h new file mode 100644 index 000000000000..7e566766bc43 --- /dev/null +++ b/drivers/serial/timbuart.h @@ -0,0 +1,58 @@ +/* + * timbuart.c timberdale FPGA GPIO driver + * Copyright (c) 2009 Intel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* Supports: + * Timberdale FPGA UART + */ + +#ifndef _TIMBUART_H +#define _TIMBUART_H + +#define TIMBUART_FIFO_SIZE 2048 + +#define TIMBUART_RXFIFO 0x08 +#define TIMBUART_TXFIFO 0x0c +#define TIMBUART_IER 0x10 +#define TIMBUART_IPR 0x14 +#define TIMBUART_ISR 0x18 +#define TIMBUART_CTRL 0x1c +#define TIMBUART_BAUDRATE 0x20 + +#define TIMBUART_CTRL_RTS 0x01 +#define TIMBUART_CTRL_CTS 0x02 +#define TIMBUART_CTRL_FLSHTX 0x40 +#define TIMBUART_CTRL_FLSHRX 0x80 + +#define TXBF 0x01 +#define TXBAE 0x02 +#define CTS_DELTA 0x04 +#define RXDP 0x08 +#define RXBAF 0x10 +#define RXBF 0x20 +#define RXTT 0x40 +#define RXBNAE 0x80 +#define TXBE 0x100 + +#define RXFLAGS (RXDP | RXBAF | RXBF | RXTT | RXBNAE) +#define TXFLAGS (TXBF | TXBAE) + +#define TIMBUART_MAJOR 204 +#define TIMBUART_MINOR 192 + +#endif /* _TIMBUART_H */ + |