projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1965aae3 PA |
2 | #ifndef _ASM_X86_SERIAL_H |
| 3 | #define _ASM_X86_SERIAL_H | |
| 217d115c RD |
4 | |
| 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 | |
| 196cf358 | 10 | * megabits/second; but this requires a faster clock. |
| 217d115c | 11 | */ |
| 196cf358 | 12 | #define BASE_BAUD (1843200/16) |
| 217d115c RD |
13 | |
| 14 | /* Standard COM flags (except for COM4, because of the 8514 problem) */ | |
| 507224aa | 15 | #ifdef CONFIG_SERIAL_8250_DETECT_IRQ |
| 079119a2 AS |
16 | # define STD_COMX_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ) |
| 17 | # define STD_COM4_FLAGS (UPF_BOOT_AUTOCONF | 0 | UPF_AUTO_IRQ) | |
| 96a388de | 18 | #else |
| 079119a2 AS |
19 | # define STD_COMX_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | 0 ) |
| 20 | # define STD_COM4_FLAGS (UPF_BOOT_AUTOCONF | 0 | 0 ) | |
| 96a388de | 21 | #endif |
| 217d115c | 22 | |
| 196cf358 IM |
23 | #define SERIAL_PORT_DFNS \ |
| 24 | /* UART CLK PORT IRQ FLAGS */ \ | |
| 25 | { .uart = 0, BASE_BAUD, 0x3F8, 4, STD_COMX_FLAGS }, /* ttyS0 */ \ | |
| 26 | { .uart = 0, BASE_BAUD, 0x2F8, 3, STD_COMX_FLAGS }, /* ttyS1 */ \ | |
| 27 | { .uart = 0, BASE_BAUD, 0x3E8, 4, STD_COMX_FLAGS }, /* ttyS2 */ \ | |
| 28 | { .uart = 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ | |
| 217d115c | 29 | |
| 1965aae3 | 30 | #endif /* _ASM_X86_SERIAL_H */ |