1 /* 2 * linux/include/asm-arm/arch-ebsa285/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 * 25-05-1998 PJB CATS support 13 */ 14 #ifndef __ASM_ARCH_SERIAL_H 15 #define __ASM_ARCH_SERIAL_H 16 17 #include <asm/irq.h> 18 19 /* 20 * This assumes you have a 1.8432 MHz clock for your UART. 21 * 22 * It'd be nice if someone built a serial card with a 24.576 MHz 23 * clock, since the 16550A is capable of handling a top speed of 1.5 24 * megabits/second; but this requires the faster clock. 25 */ 26 #define BASE_BAUD (1843200 / 16) 27 28 #define _SER_IRQ0 IRQ_ISA_UART 29 #define _SER_IRQ1 IRQ_ISA_UART2 30 31 #define RS_TABLE_SIZE 16 32 33 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) 34 35 /* UART CLK PORT IRQ FLAGS */ 36 #define STD_SERIAL_PORT_DEFNS \ 37 { 0, BASE_BAUD, 0x3F8, _SER_IRQ0, STD_COM_FLAGS }, /* ttyS0 */ \ 38 { 0, BASE_BAUD, 0x2F8, _SER_IRQ1, STD_COM_FLAGS }, /* ttyS1 */ 39 40 #define EXTRA_SERIAL_PORT_DEFNS 41 42 #endif 43