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36 lines
906 B
C
36 lines
906 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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* Copyright (C) 2000 Harald Koerfgen
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*
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* RTC routines for IP32 style attached Dallas chip.
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*/
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#ifndef __ASM_MACH_IP32_MC146818RTC_H
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#define __ASM_MACH_IP32_MC146818RTC_H
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#include <asm/ip32/mace.h>
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#define RTC_PORT(x) (0x70 + (x))
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static unsigned char CMOS_READ(unsigned long addr)
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{
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return mace->isa.rtc[addr << 8];
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}
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static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
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{
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mace->isa.rtc[addr << 8] = data;
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}
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/*
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* FIXME: Do it right. For now just assume that no one lives in 20th century
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* and no O2 user in 22th century ;-)
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*/
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#define mc146818_decode_year(year) ((year) + 2000)
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#define RTC_ALWAYS_BCD 0
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#endif /* __ASM_MACH_IP32_MC146818RTC_H */
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