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
11 extern 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) ({ \
24 outb_p((addr),RTC_PORT(0)); \
25 inb_p(RTC_PORT(1)); \
26 })
27 #define CMOS_WRITE(val, addr) ({ \
28 outb_p((addr),RTC_PORT(0)); \
29 outb_p((val),RTC_PORT(1)); \
30 })
31 
32 #define RTC_IRQ 8
33 
34 #endif /* __ASM_SPARC64_MC146818RTC_H */
35