/*
   * include/asm-alpha/serial.h
   */

  
  /*
   * This assumes you have a 1.8432 MHz clock for your UART.
   *
   * It'd be nice if someone built a serial card with a 24.576 MHz
   * clock, since the 16550A is capable of handling a top speed of 1.5
   * megabits/second; but this requires the faster clock.
   */
  #define BASE_BAUD ( 1843200 / 16 )
  
  /* Standard COM flags (except for COM4, because of the 8514 problem) */
  #ifdef CONFIG_SERIAL_DETECT_IRQ
  #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
  #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
  #else
  #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
  #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
  #endif

  #define SERIAL_PORT_DFNS			\

  	/* UART CLK   PORT IRQ     FLAGS        */			\
  	{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },	/* ttyS0 */	\
  	{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },	/* ttyS1 */	\
  	{ 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },	/* ttyS2 */	\
  	{ 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },	/* ttyS3 */