blob: 628c801535ea912c00a57654310a832acca2e67f [file] [log] [blame]
Roland Dreier217d1152007-10-15 13:57:46 +02001#ifndef _ASM_X86_SERIAL_H
2#define _ASM_X86_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
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)
Thomas Gleixner96a388d2007-10-11 11:20:03 +020017#else
Roland Dreier217d1152007-10-15 13:57:46 +020018#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
19#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
Thomas Gleixner96a388d2007-10-11 11:20:03 +020020#endif
Roland Dreier217d1152007-10-15 13:57:46 +020021
22#define SERIAL_PORT_DFNS \
23 /* UART CLK PORT IRQ FLAGS */ \
24 { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
25 { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
26 { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
27 { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
28
29#endif /* _ASM_X86_SERIAL_H */