projects / mirror_ubuntu-kernels.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | /* |
| 3 | * include/asm-m68k/serial.h | |
| 4 | * | |
| 5 | * currently this seems useful only for a Q40, | |
| 6 | * it's an almost exact copy of ../asm-alpha/serial.h | |
| 7 | * | |
| 8 | */ | |
| 9 | ||
| 1da177e4 LT |
10 | |
| 11 | /* | |
| 12 | * This assumes you have a 1.8432 MHz clock for your UART. | |
| 13 | * | |
| 14 | * It'd be nice if someone built a serial card with a 24.576 MHz | |
| 15 | * clock, since the 16550A is capable of handling a top speed of 1.5 | |
| 16 | * megabits/second; but this requires the faster clock. | |
| 17 | */ | |
| 18 | #define BASE_BAUD ( 1843200 / 16 ) | |
| 19 | ||
| 20 | /* Standard COM flags (except for COM4, because of the 8514 problem) */ | |
| 507224aa | 21 | #ifdef CONFIG_SERIAL_8250_DETECT_IRQ |
| 35373abb PH |
22 | #define STD_COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ) |
| 23 | #define STD_COM4_FLAGS (UPF_BOOT_AUTOCONF | UPF_AUTO_IRQ) | |
| 1da177e4 | 24 | #else |
| 35373abb PH |
25 | #define STD_COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST) |
| 26 | #define STD_COM4_FLAGS UPF_BOOT_AUTOCONF | |
| 1da177e4 LT |
27 | #endif |
| 28 | ||
| f8bd9de9 | 29 | #ifdef CONFIG_ISA |
| 026d02a2 | 30 | #define SERIAL_PORT_DFNS \ |
| 1da177e4 LT |
31 | /* UART CLK PORT IRQ FLAGS */ \ |
| 32 | { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \ | |
| 33 | { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \ | |
| 34 | { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \ | |
| 35 | { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ | |
| f8bd9de9 | 36 | #endif |