|
|
| File: [Development] / linux-2.6-xfs / include / asm-m32r / mc146818rtc.h (download)
Revision 1.2, Tue Mar 20 15:37:21 2007 UTC (10 years, 6 months ago) by tes.longdrop.melbourne.sgi.com
Merge up to 2.6.21-rc4 Merge of 2.6.x-xfs-melb:linux:28276b by kenmcd. |
/*
* Machine dependent access functions for RTC registers.
*/
#ifndef _ASM_MC146818RTC_H
#define _ASM_MC146818RTC_H
#include <asm/io.h>
#ifndef RTC_PORT
#define RTC_PORT(x) ((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)); \
})
#define RTC_IRQ 8
#endif /* _ASM_MC146818RTC_H */