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/*

 * 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.

 */

#ifndef __ASM_PPC64_MC146818RTC_H

#define __ASM_PPC64_MC146818RTC_H

#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 /* __ASM_PPC64_MC146818RTC_H */