1/* 2 * linux/include/asm-arm/arch-integrator/serial.h 3 * 4 * Copyright (C) 1999 ARM Limited 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 as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20#ifndef __ASM_ARCH_SERIAL_H 21#define __ASM_ARCH_SERIAL_H 22 23#include <asm/arch/platform.h> 24#include <asm/irq.h> 25 26/* 27 * This assumes you have a 1.8432 MHz clock for your UART. 28 * 29 * It'd be nice if someone built a serial card with a 24.576 MHz 30 * clock, since the 16550A is capable of handling a top speed of 1.5 31 * megabits/second; but this requires the faster clock. 32 */ 33#define BASE_BAUD (1843200 / 16) 34 35#define _SER_IRQ0 IRQ_UARTINT0 36#define _SER_IRQ1 IRQ_UARTINT1 37 38#define RS_TABLE_SIZE 2 39 40#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) 41 42 /* UART CLK PORT IRQ FLAGS */ 43#define STD_SERIAL_PORT_DEFNS \ 44 { 0, BASE_BAUD, 0x3F8, _SER_IRQ0, STD_COM_FLAGS }, /* ttyS0 */ \ 45 { 0, BASE_BAUD, 0x2F8, _SER_IRQ1, STD_COM_FLAGS }, /* ttyS1 */ 46 47#define EXTRA_SERIAL_PORT_DEFNS 48 49#endif 50