name : mc146818rtc_64.h /* SPDX-License-Identifier: GPL-2.0 */ /* * 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 */