serial.h 1011 B

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  1. /*
  2. * include/asm-alpha/serial.h
  3. */
  4. /*
  5. * This assumes you have a 1.8432 MHz clock for your UART.
  6. *
  7. * It'd be nice if someone built a serial card with a 24.576 MHz
  8. * clock, since the 16550A is capable of handling a top speed of 1.5
  9. * megabits/second; but this requires the faster clock.
  10. */
  11. #define BASE_BAUD ( 1843200 / 16 )
  12. /* Standard COM flags (except for COM4, because of the 8514 problem) */
  13. #ifdef CONFIG_SERIAL_8250_DETECT_IRQ
  14. #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
  15. #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
  16. #else
  17. #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
  18. #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
  19. #endif
  20. #define SERIAL_PORT_DFNS \
  21. /* UART CLK PORT IRQ FLAGS */ \
  22. { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
  23. { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
  24. { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
  25. { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */