serial.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- /*
- * include/asm-sh/serial.h
- *
- * Configuration details for 8250, 16450, 16550, etc. serial ports
- */
- #ifndef _ASM_SERIAL_H
- #define _ASM_SERIAL_H
- #include <linux/config.h>
- #include <linux/kernel.h>
- #ifdef CONFIG_SH_EC3104
- #include <asm/serial-ec3104.h>
- #elif defined (CONFIG_SH_BIGSUR)
- #include <asm/serial-bigsur.h>
- #else
- /*
- * 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 ( 1843200 / 16 )
- #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
- #ifdef CONFIG_HD64465
- #include <asm/hd64465.h>
- #define RS_TABLE_SIZE 1
- #define STD_SERIAL_PORT_DEFNS
- /* UART CLK PORT IRQ FLAGS */
- { 0, BASE_BAUD, 0x3F8, HD64465_IRQ_UART, STD_COM_FLAGS } /* ttyS0 */
- #else
- #define RS_TABLE_SIZE 2
- #define STD_SERIAL_PORT_DEFNS
- /* UART CLK PORT IRQ FLAGS */
- { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */
- { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS } /* ttyS1 */
- #endif
- #define SERIAL_PORT_DFNS STD_SERIAL_PORT_DEFNS
- /* XXX: This should be moved ino irq.h */
- #define irq_cannonicalize(x) (x)
- #endif
- #endif /* _ASM_SERIAL_H */