1 /* 2 * linux/include/asm-arm/arch-tbox/serial.h 3 * 4 * Copyright (c) 1996 Russell King. 5 * Copyright (c) 1998 Phil Blundell 6 * 7 * Changelog: 8 * 15-10-1996 RMK Created 9 * 09-06-1998 PJB tbox version 10 */ 11 #ifndef __ASM_ARCH_SERIAL_H 12 #define __ASM_ARCH_SERIAL_H 13 14 /* 15 * This assumes you have a 1.8432 MHz clock for your UART. 16 * 17 * It'd be nice if someone built a serial card with a 24.576 MHz 18 * clock, since the 16550A is capable of handling a top speed of 1.5 19 * megabits/second; but this requires the faster clock. 20 */ 21 #define BASE_BAUD (1843200 / 16) 22 23 #define RS_TABLE_SIZE 2 24 25 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) 26 27 /* UART CLK PORT IRQ FLAGS */ 28 #define STD_SERIAL_PORT_DEFNS \ 29 { 0, BASE_BAUD, 0xffff4000 >> 2, 6, STD_COM_FLAGS }, /* ttyS0 */ \ 30 { 0, BASE_BAUD, 0xffff5000 >> 2, 7, STD_COM_FLAGS }, /* ttyS1 */ 31 32 #define EXTRA_SERIAL_PORT_DEFNS 33 34 #endif 35