tag	line	file	source code
RTC_PORT	286	include/asm-alpha/jensen.h	#define RTC_PORT(x)  (0x170+(x))
RTC_PORT	323	include/asm-alpha/lca.h	#define RTC_PORT(x) (0x70 + (x))
RTC_PORT	16	include/linux/mc146818rtc.h	#define RTC_PORT(x)  (0x70 + (x))