timbuart.h 1.5 KB

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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. /* Supports:
  19. * Timberdale FPGA UART
  20. */
  21. #ifndef _TIMBUART_H
  22. #define _TIMBUART_H
  23. #define TIMBUART_FIFO_SIZE 2048
  24. #define TIMBUART_RXFIFO 0x08
  25. #define TIMBUART_TXFIFO 0x0c
  26. #define TIMBUART_IER 0x10
  27. #define TIMBUART_IPR 0x14
  28. #define TIMBUART_ISR 0x18
  29. #define TIMBUART_CTRL 0x1c
  30. #define TIMBUART_BAUDRATE 0x20
  31. #define TIMBUART_CTRL_RTS 0x01
  32. #define TIMBUART_CTRL_CTS 0x02
  33. #define TIMBUART_CTRL_FLSHTX 0x40
  34. #define TIMBUART_CTRL_FLSHRX 0x80
  35. #define TXBF 0x01
  36. #define TXBAE 0x02
  37. #define CTS_DELTA 0x04
  38. #define RXDP 0x08
  39. #define RXBAF 0x10
  40. #define RXBF 0x20
  41. #define RXTT 0x40
  42. #define RXBNAE 0x80
  43. #define TXBE 0x100
  44. #define RXFLAGS (RXDP | RXBAF | RXBF | RXTT | RXBNAE)
  45. #define TXFLAGS (TXBF | TXBAE)
  46. #define TIMBUART_MAJOR 204
  47. #define TIMBUART_MINOR 192
  48. #endif /* _TIMBUART_H */