serial.h
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上传日期:2013-04-10
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- /*
- * linux/include/asm-arm/arch-epxa10db/serial.h
- *
- * Copyright (C) 1999 ARM Limited
- * Copyright (C) 2001 Altera Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- #ifndef __ASM_ARCH_SERIAL_H
- #define __ASM_ARCH_SERIAL_H
- #include <asm/arch/platform.h>
- #include <asm/irq.h>
- /*
- * This assumes you have a 1.8432 MHz clock for your UART.
- *
- * It'd be nice if someone built a serial card with a 24.576 MHz
- * clock, since the 16550A is capable of handling a top speed of 1.5
- * megabits/second; but this requires the faster clock.
- */
- #define BASE_BAUD (1 / 16)
- #define _SER_IRQ0 IRQ_UARTINT0
- #define _SER_IRQ1 IRQ_UARTINT1
- #define RS_TABLE_SIZE 2
- #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
- /* UART CLK PORT IRQ FLAGS */
- #define STD_SERIAL_PORT_DEFNS
- { 0, BASE_BAUD, 0x3F8, _SER_IRQ0, STD_COM_FLAGS }, /* ttyS0 */
- { 0, BASE_BAUD, 0x2F8, _SER_IRQ1, STD_COM_FLAGS }, /* ttyS1 */
- #define EXTRA_SERIAL_PORT_DEFNS
- #endif