1 /* 2 * platform/serial.h 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License. See the file "COPYING" in the main directory of this archive 6 * for more details. 7 * 8 * Copyright (C) 2001 Tensilica Inc. 9 */ 10 11 #ifndef _XTENSA_XT2000_SERIAL_H 12 #define _XTENSA_XT2000_SERIAL_H 13 14 #include <variant/core.h> 15 #include <asm/io.h> 16 17 /* National-Semi PC16552D DUART: */ 18 19 #define DUART16552_1_INTNUM XCHAL_EXTINT4_NUM 20 #define DUART16552_2_INTNUM XCHAL_EXTINT5_NUM 21 22 #define DUART16552_1_ADDR IOADDR(0x0d050020) /* channel 1 */ 23 #define DUART16552_2_ADDR IOADDR(0x0d050000) /* channel 2 */ 24 25 #define DUART16552_XTAL_FREQ 18432000 /* crystal frequency in Hz */ 26 #define BASE_BAUD ( DUART16552_XTAL_FREQ / 16 ) 27 28 #endif /* _XTENSA_XT2000_SERIAL_H */ 29