mirror of https://gitee.com/openkylin/linux.git
29 lines
766 B
C
29 lines
766 B
C
/*
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* platform/serial.h
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2001 Tensilica Inc.
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*/
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#ifndef _XTENSA_XT2000_SERIAL_H
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#define _XTENSA_XT2000_SERIAL_H
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#include <variant/core.h>
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#include <asm/io.h>
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/* National-Semi PC16552D DUART: */
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#define DUART16552_1_INTNUM XCHAL_EXTINT4_NUM
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#define DUART16552_2_INTNUM XCHAL_EXTINT5_NUM
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#define DUART16552_1_ADDR IOADDR(0x0d050020) /* channel 1 */
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#define DUART16552_2_ADDR IOADDR(0x0d050000) /* channel 2 */
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#define DUART16552_XTAL_FREQ 18432000 /* crystal frequency in Hz */
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#define BASE_BAUD ( DUART16552_XTAL_FREQ / 16 )
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#endif /* _XTENSA_XT2000_SERIAL_H */
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