1 /* 2 * linux/include/asm-arm/arch-ebsa110/serial.h 3 * 4 * Copyright (C) 1996,1997,1998 Russell King. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * Changelog: 11 * 15-10-1996 RMK Created 12 */ 13 #ifndef __ASM_ARCH_SERIAL_H 14 #define __ASM_ARCH_SERIAL_H 15 16 /* 17 * This assumes you have a 1.8432 MHz clock for your UART. 18 * 19 * It'd be nice if someone built a serial card with a 24.576 MHz 20 * clock, since the 16550A is capable of handling a top speed of 1.5 21 * megabits/second; but this requires the faster clock. 22 */ 23 #define BASE_BAUD (1843200 / 16) 24 25 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) 26 27 #define RS_TABLE_SIZE 2 28 29 /* UART CLK PORT IRQ FLAGS */ 30 #define STD_SERIAL_PORT_DEFNS \ 31 { 0, BASE_BAUD, 0x3F8, 1, STD_COM_FLAGS }, /* ttyS0 */ \ 32 { 0, BASE_BAUD, 0x2F8, 2, STD_COM_FLAGS } /* ttyS1 */ 33 34 #define EXTRA_SERIAL_PORT_DEFNS 35 36 #endif 37 38