31 lines
1.0 KiB
C
31 lines
1.0 KiB
C
/*
|
|
* include/asm-alpha/serial.h
|
|
*/
|
|
|
|
#include <linux/config.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 */
|