diff options
Diffstat (limited to 'include/asm-arm26/serial.h')
| -rw-r--r-- | include/asm-arm26/serial.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/asm-arm26/serial.h b/include/asm-arm26/serial.h new file mode 100644 index 000000000000..21e1df31f086 --- /dev/null +++ b/include/asm-arm26/serial.h @@ -0,0 +1,63 @@ +/* + * linux/include/asm-arm/serial.h + * + * Copyright (C) 1996 Russell King. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Changelog: + * 15-10-1996 RMK Created + */ + +#ifndef __ASM_SERIAL_H +#define __ASM_SERIAL_H + +#include <linux/config.h> + +/* + * This assumes you have a 1.8432 MHz clock for your UART. + * + * It'd be nice if someone built a serial card with a 24.576 MHz + * clock, since the 16550A is capable of handling a top speed of 1.5 + * megabits/second; but this requires the faster clock. + */ +#define BASE_BAUD (1843200 / 16) + +#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) + +#if defined(CONFIG_ARCH_A5K) + /* UART CLK PORT IRQ FLAGS */ + +#define STD_SERIAL_PORT_DEFNS \ + { 0, BASE_BAUD, 0x3F8, 10, STD_COM_FLAGS }, /* ttyS0 */ \ + { 0, BASE_BAUD, 0x2F8, 10, STD_COM_FLAGS }, /* ttyS1 */ + +#else + +#define STD_SERIAL_PORT_DEFNS \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS0 */ \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS1 */ + +#endif + +#define EXTRA_SERIAL_PORT_DEFNS \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS2 */ \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS3 */ \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS4 */ \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS5 */ \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS6 */ \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS7 */ \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS8 */ \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS9 */ \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS10 */ \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS11 */ \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS12 */ \ + { 0, BASE_BAUD, 0 , 0, STD_COM_FLAGS }, /* ttyS13 */ + +#define SERIAL_PORT_DFNS \ + STD_SERIAL_PORT_DEFNS \ + EXTRA_SERIAL_PORT_DEFNS + +#endif |