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217d115c RD |
1 | #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) | |
96a388de | 17 | #else |
217d115c RD |
18 | #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) |
19 | #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF | |
96a388de | 20 | #endif |
217d115c RD |
21 | |
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 */ |