1/* 2 * Machine dependent access functions for RTC registers. 3 */ 4#ifndef __ASM_SPARC64_MC146818RTC_H 5#define __ASM_SPARC64_MC146818RTC_H 6 7#include <asm/io.h> 8 9#ifndef RTC_PORT 10#ifdef CONFIG_PCI 11extern unsigned long ds1287_regs; 12#else 13#define ds1287_regs (0UL) 14#endif 15#define RTC_PORT(x) (ds1287_regs + (x)) 16#define RTC_ALWAYS_BCD 0 17#endif 18 19/* 20 * The yet supported machines all access the RTC index register via 21 * an ISA port access but the way to access the date register differs ... 22 */ 23#define CMOS_READ(addr) ({ \ 24outb_p((addr),RTC_PORT(0)); \ 25inb_p(RTC_PORT(1)); \ 26}) 27#define CMOS_WRITE(val, addr) ({ \ 28outb_p((addr),RTC_PORT(0)); \ 29outb_p((val),RTC_PORT(1)); \ 30}) 31 32#define RTC_IRQ 8 33 34#endif /* __ASM_SPARC64_MC146818RTC_H */ 35