arch/tile/include/hv/drv_uart_intf.h

   1 /*
   2  * Copyright 2013 Tilera Corporation. All Rights Reserved.
   3  *
   4  *   This program is free software; you can redistribute it and/or
   5  *   modify it under the terms of the GNU General Public License
   6  *   as published by the Free Software Foundation, version 2.
   7  *
   8  *   This program is distributed in the hope that it will be useful, but
   9  *   WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11  *   NON INFRINGEMENT.  See the GNU General Public License for
  12  *   more details.
  13  */
  14
  15 /**
  16  * Interface definitions for the UART driver.
  17  */
  18
  19 #ifndef _SYS_HV_DRV_UART_INTF_H
  20 #define _SYS_HV_DRV_UART_INTF_H
  21
  22 #include <arch/uart.h>
  23
  24 /** Number of UART ports supported. */
  25 #define TILEGX_UART_NR        2
  26
  27 /** The mmap file offset (PA) of the UART MMIO region. */
  28 #define HV_UART_MMIO_OFFSET   0
  29
  30 /** The maximum size of the UARTs MMIO region (64K Bytes). */
  31 #define HV_UART_MMIO_SIZE     (1UL << 16)
  32
  33 #endif /* _SYS_HV_DRV_UART_INTF_H */