[deliverable/linux.git] / arch / sparc / include / asm / mc146818rtc_64.h

/*
 * Machine dependent access functions for RTC registers.
 */
#ifndef __ASM_SPARC64_MC146818RTC_H
#define __ASM_SPARC64_MC146818RTC_H

#include <asm/io.h>

#ifndef RTC_PORT
extern unsigned long cmos_regs;
#define RTC_PORT(x)	(cmos_regs + (x))
#define RTC_ALWAYS_BCD	0
#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_SPARC64_MC146818RTC_H */
Commit	Line	Data
f5e706ad SR	1	/*
	2	* Machine dependent access functions for RTC registers.
	3	*/
	4	#ifndef __ASM_SPARC64_MC146818RTC_H
	5	#define __ASM_SPARC64_MC146818RTC_H
	6
	7	#include <asm/io.h>
	8
	9	#ifndef RTC_PORT
da86783d DM	10	extern unsigned long cmos_regs;
da86783d DM	11	#define RTC_PORT(x) (cmos_regs + (x))
f5e706ad SR	12	#define RTC_ALWAYS_BCD 0
	13	#endif
	14
	15	/*
	16	* The yet supported machines all access the RTC index register via
	17	* an ISA port access but the way to access the date register differs ...
	18	*/
	19	#define CMOS_READ(addr) ({ \
	20	outb_p((addr),RTC_PORT(0)); \
	21	inb_p(RTC_PORT(1)); \
	22	})
	23	#define CMOS_WRITE(val, addr) ({ \
	24	outb_p((addr),RTC_PORT(0)); \
	25	outb_p((val),RTC_PORT(1)); \
	26	})
	27
f5e706ad	28	#endif /* __ASM_SPARC64_MC146818RTC_H */