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kernel/linux-imx6_3.14.28/drivers/tty/serial/timbuart.h 1.49 KB
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  /*
   * 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 */