1 /* 2 * linux/include/asm-arm/arch-epxa10db/serial.h 3 * 4 * Copyright (C) 1999 ARM Limited 5 * Copyright (C) 2001 Altera Corporation 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21 #ifndef __ASM_ARCH_SERIAL_H 22 #define __ASM_ARCH_SERIAL_H 23 24 #include <asm/arch/platform.h> 25 #include <asm/irq.h> 26 27 /* 28 * This assumes you have a 1.8432 MHz clock for your UART. 29 * 30 * It'd be nice if someone built a serial card with a 24.576 MHz 31 * clock, since the 16550A is capable of handling a top speed of 1.5 32 * megabits/second; but this requires the faster clock. 33 */ 34 #define BASE_BAUD (1 / 16) 35 36 #define _SER_IRQ0 IRQ_UARTINT0 37 #define _SER_IRQ1 IRQ_UARTINT1 38 39 #define RS_TABLE_SIZE 2 40 41 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) 42 43 /* UART CLK PORT IRQ FLAGS */ 44 #define STD_SERIAL_PORT_DEFNS \ 45 { 0, BASE_BAUD, 0x3F8, _SER_IRQ0, STD_COM_FLAGS }, /* ttyS0 */ \ 46 { 0, BASE_BAUD, 0x2F8, _SER_IRQ1, STD_COM_FLAGS }, /* ttyS1 */ 47 48 #define EXTRA_SERIAL_PORT_DEFNS 49 50 #endif 51