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linux-next/include/asm-powerpc/mc146818rtc.h
jdl@freescale.com a37c8875a7 [PATCH] powerpc: Standardize on _ASM_POWERPC header symbol prefix
Standardize on _ASM_POWERPC_... prefix for all #include
exclusion symbols.  Fixup all the non-compilers.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-09-09 22:11:34 +10:00

37 lines
943 B
C

#ifndef _ASM_POWERPC_MC146818RTC_H
#define _ASM_POWERPC_MC146818RTC_H
/*
* Machine dependent access functions for RTC registers.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifdef __KERNEL__
#include <asm/io.h>
#ifndef RTC_PORT
#define RTC_PORT(x) (0x70 + (x))
#define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */
#endif
/*
* The yet supported machines all access the RTC index register via
* an ISA port access but the way to access the date register differs ...
*/
#define CMOS_READ(addr) ({ \
outb_p((addr),RTC_PORT(0)); \
inb_p(RTC_PORT(1)); \
})
#define CMOS_WRITE(val, addr) ({ \
outb_p((addr),RTC_PORT(0)); \
outb_p((val),RTC_PORT(1)); \
})
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_MC146818RTC_H */