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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - include/asm-sparc/mc146818rtc.h
2 * Machine dependent access functions for RTC registers.
4 #ifndef __ASM_SPARC_MC146818RTC_H
5 #define __ASM_SPARC_MC146818RTC_H
10 #define RTC_PORT(x) (0x70 + (x))
11 #define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */
15 * The yet supported machines all access the RTC index register via
16 * an ISA port access but the way to access the date register differs ...
18 #define CMOS_READ(addr) ({ \
19 outb_p((addr),RTC_PORT(0)); \
22 #define CMOS_WRITE(val, addr) ({ \
23 outb_p((addr),RTC_PORT(0)); \
24 outb_p((val),RTC_PORT(1)); \
29 #endif /* __ASM_SPARC_MC146818RTC_H */