blob: e9c0fcc25c6f44e2c729cda84994949b32606bb0 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Machine dependent access functions for RTC registers.
3 */
4#ifndef __ASM_SPARC64_MC146818RTC_H
5#define __ASM_SPARC64_MC146818RTC_H
6
Linus Torvalds1da177e2005-04-16 15:20:36 -07007#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 */