serial.h 828 B

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  1. /*
  2. * include/asm-sh/serial.h
  3. *
  4. * Configuration details for 8250, 16450, 16550, etc. serial ports
  5. */
  6. #ifndef _ASM_SERIAL_H
  7. #define _ASM_SERIAL_H
  8. /*
  9. * This assumes you have a 1.8432 MHz clock for your UART.
  10. *
  11. * It'd be nice if someone built a serial card with a 24.576 MHz
  12. * clock, since the 16550A is capable of handling a top speed of 1.5
  13. * megabits/second; but this requires the faster clock.
  14. */
  15. #define BASE_BAUD ( 1843200 / 16 )
  16. #define RS_TABLE_SIZE 2
  17. #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
  18. #define SERIAL_PORT_DFNS \
  19. /* UART CLK PORT IRQ FLAGS */ \
  20. { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
  21. { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS } /* ttyS1 */
  22. /* XXX: This should be moved ino irq.h */
  23. #define irq_cannonicalize(x) (x)
  24. #endif /* _ASM_SERIAL_H */