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Viewing changes to roms/u-boot/arch/powerpc/include/asm/mc146818rtc.h

  • Committer: Phil Dennis-Jordan
  • Date: 2017-07-21 08:03:43 UTC
  • mfrom: (1.1.1)
  • Revision ID: phil@philjordan.eu-20170721080343-2yr2vdj7713czahv
New upstream release 2.9.0.

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roms/u-boot/arch/powerpc/include/asm/mc146818rtc.h
 
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/*
 
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 * Machine dependent access functions for RTC registers.
 
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 */
 
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#ifndef __ASM_PPC_MC146818RTC_H
 
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#define __ASM_PPC_MC146818RTC_H
 
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#include <asm/io.h>
 
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#ifndef RTC_PORT
 
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#define RTC_PORT(x) (0x70 + (x))
 
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#define RTC_ALWAYS_BCD  1   /* RTC operates in binary mode */
 
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#endif
 
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/*
 
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 * The yet supported machines all access the RTC index register via
 
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 * an ISA port access but the way to access the date register differs ...
 
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 */
 
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#define CMOS_READ(addr) ({ \
 
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outb_p((addr),RTC_PORT(0)); \
 
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inb_p(RTC_PORT(1)); \
 
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})
 
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#define CMOS_WRITE(val, addr) ({ \
 
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outb_p((addr),RTC_PORT(0)); \
 
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outb_p((val),RTC_PORT(1)); \
 
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})
 
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#endif /* __ASM_PPC_MC146818RTC_H */