35 lines
858 B
C
35 lines
858 B
C
/*
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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) 1998, 2001, 03 by Ralf Baechle
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*
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* RTC routines for PC style attached Dallas chip.
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*/
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#ifndef __ASM_MACH_AU1XX_MC146818RTC_H
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#define __ASM_MACH_AU1XX_MC146818RTC_H
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#include <asm/io.h>
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#include <asm/mach-au1x00/au1000.h>
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#define RTC_PORT(x) (0x0c000000 + (x))
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#define RTC_IRQ 8
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#define PB1500_RTC_ADDR 0x0c000000
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static inline unsigned char CMOS_READ(unsigned long offset)
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{
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offset <<= 2;
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return (u8)(au_readl(offset + PB1500_RTC_ADDR) & 0xff);
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}
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static inline void CMOS_WRITE(unsigned char data, unsigned long offset)
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{
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offset <<= 2;
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au_writel(data, offset + PB1500_RTC_ADDR);
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}
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#define RTC_ALWAYS_BCD 1
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#endif /* __ASM_MACH_AU1XX_MC146818RTC_H */
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