serial.h
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上传日期:2013-04-10
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文件大小:1k
- /*
- * linux/include/asm-arm/arch-l7200/serial.h
- *
- * Copyright (c) 2000 Rob Scott (rscott@mtrob.fdns.net)
- * Steve Hill (sjhill@cotw.com)
- *
- * Changelog:
- * 03-20-2000 SJH Created
- * 03-26-2000 SJH Added flags for serial ports
- * 03-27-2000 SJH Corrected BASE_BAUD value
- * 04-14-2000 RS Made register addr dependent on IO_BASE
- * 05-03-2000 SJH Complete rewrite
- * 05-09-2000 SJH Stripped out architecture specific serial stuff
- * and placed it in a separate file
- * 07-28-2000 SJH Moved base baud rate variable
- */
- #ifndef __ASM_ARCH_SERIAL_H
- #define __ASM_ARCH_SERIAL_H
- /*
- * This assumes you have a 3.6864 MHz clock for your UART.
- */
- #define BASE_BAUD 3686400
- /*
- * Standard COM flags
- */
- #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
- #define RS_TABLE_SIZE 2
- #define STD_SERIAL_PORT_DEFNS
- /* MAGIC UART CLK PORT IRQ FLAGS */
- { 0, BASE_BAUD, UART1_BASE, IRQ_UART_1, STD_COM_FLAGS }, /* ttyLU0 */
- { 0, BASE_BAUD, UART2_BASE, IRQ_UART_2, STD_COM_FLAGS }, /* ttyLU1 */
- #define EXTRA_SERIAL_PORT_DEFNS
- #endif