serial.h 2.9 KB

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  1. /*
  2. * include/asm-alpha/serial.h
  3. */
  4. #include <linux/config.h>
  5. /*
  6. * This assumes you have a 1.8432 MHz clock for your UART.
  7. *
  8. * It'd be nice if someone built a serial card with a 24.576 MHz
  9. * clock, since the 16550A is capable of handling a top speed of 1.5
  10. * megabits/second; but this requires the faster clock.
  11. */
  12. #define BASE_BAUD ( 1843200 / 16 )
  13. /* Standard COM flags (except for COM4, because of the 8514 problem) */
  14. #ifdef CONFIG_SERIAL_DETECT_IRQ
  15. #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
  16. #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
  17. #else
  18. #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
  19. #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
  20. #endif
  21. #ifdef CONFIG_SERIAL_MANY_PORTS
  22. #define FOURPORT_FLAGS ASYNC_FOURPORT
  23. #define ACCENT_FLAGS 0
  24. #define BOCA_FLAGS 0
  25. #endif
  26. #define STD_SERIAL_PORT_DEFNS \
  27. /* UART CLK PORT IRQ FLAGS */ \
  28. { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
  29. { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
  30. { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
  31. { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
  32. #ifdef CONFIG_SERIAL_MANY_PORTS
  33. #define EXTRA_SERIAL_PORT_DEFNS \
  34. { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, /* ttyS4 */ \
  35. { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS }, /* ttyS5 */ \
  36. { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS }, /* ttyS6 */ \
  37. { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS }, /* ttyS7 */ \
  38. { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS }, /* ttyS8 */ \
  39. { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS }, /* ttyS9 */ \
  40. { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS }, /* ttyS10 */ \
  41. { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS }, /* ttyS11 */ \
  42. { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS }, /* ttyS12 */ \
  43. { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS }, /* ttyS13 */ \
  44. { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS14 (spare) */ \
  45. { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS15 (spare) */ \
  46. { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS }, /* ttyS16 */ \
  47. { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS }, /* ttyS17 */ \
  48. { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS }, /* ttyS18 */ \
  49. { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS }, /* ttyS19 */ \
  50. { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS }, /* ttyS20 */ \
  51. { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS }, /* ttyS21 */ \
  52. { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS }, /* ttyS22 */ \
  53. { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS }, /* ttyS23 */ \
  54. { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS }, /* ttyS24 */ \
  55. { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS }, /* ttyS25 */ \
  56. { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS }, /* ttyS26 */ \
  57. { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS }, /* ttyS27 */ \
  58. { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS }, /* ttyS28 */ \
  59. { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS }, /* ttyS29 */ \
  60. { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS }, /* ttyS30 */ \
  61. { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS }, /* ttyS31 */
  62. #else
  63. #define EXTRA_SERIAL_PORT_DEFNS
  64. #endif
  65. #define SERIAL_PORT_DFNS \
  66. STD_SERIAL_PORT_DEFNS \
  67. EXTRA_SERIAL_PORT_DEFNS