1/* 2 * include/asm-sh/serial.h 3 * 4 * Configuration details for 8250, 16450, 16550, etc. serial ports 5 */ 6 7#ifndef _ASM_SERIAL_H 8#define _ASM_SERIAL_H 9 10#include <linux/kernel.h> 11 12/* 13 * This assumes you have a 1.8432 MHz clock for your UART. 14 * 15 * It'd be nice if someone built a serial card with a 24.576 MHz 16 * clock, since the 16550A is capable of handling a top speed of 1.5 17 * megabits/second; but this requires the faster clock. 18 */ 19#define BASE_BAUD ( 1843200 / 16 ) 20 21#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) 22 23#ifdef CONFIG_HD64465 24#include <asm/hd64465.h> 25 26#define SERIAL_PORT_DFNS \ 27 /* UART CLK PORT IRQ FLAGS */ \ 28 { 0, BASE_BAUD, 0x3F8, HD64465_IRQ_UART, STD_COM_FLAGS } /* ttyS0 */ 29 30#else 31 32#define SERIAL_PORT_DFNS 33 34#endif 35 36#endif /* _ASM_SERIAL_H */ 37