Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[wrt350n-kernel.git] / include / asm-x86 / serial.h
blob628c801535ea912c00a57654310a832acca2e67f
1 #ifndef _ASM_X86_SERIAL_H
2 #define _ASM_X86_SERIAL_H
4 /*
5 * This assumes you have a 1.8432 MHz clock for your UART.
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.
11 #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
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 */
29 #endif /* _ASM_X86_SERIAL_H */