mc146818rtc.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- /*
- * Machine dependent access functions for RTC registers.
- */
- #ifndef __ASM_SPARC64_MC146818RTC_H
- #define __ASM_SPARC64_MC146818RTC_H
- #include <linux/config.h>
- #include <asm/io.h>
- #ifndef RTC_PORT
- #ifdef CONFIG_PCI
- extern unsigned long ds1287_regs;
- #else
- #define ds1287_regs (0UL)
- #endif
- #define RTC_PORT(x) (ds1287_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));
- })
- #define RTC_IRQ 8
- #endif /* __ASM_SPARC64_MC146818RTC_H */