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 <linux/config.h>
8 #include <asm/io.h>
9 
10 #ifndef RTC_PORT
11 #ifdef CONFIG_PCI
12 extern unsigned long ds1287_regs;
13 #else
14 #define ds1287_regs (0UL)
15 #endif
16 #define RTC_PORT(x)	(ds1287_regs + (x))
17 #define RTC_ALWAYS_BCD	0
18 #endif
19 
20 /*
21  * The yet supported machines all access the RTC index register via
22  * an ISA port access but the way to access the date register differs ...
23  */
24 #define CMOS_READ(addr) ({ \
25 outb_p((addr),RTC_PORT(0)); \
26 inb_p(RTC_PORT(1)); \
27 })
28 #define CMOS_WRITE(val, addr) ({ \
29 outb_p((addr),RTC_PORT(0)); \
30 outb_p((val),RTC_PORT(1)); \
31 })
32 
33 #define RTC_IRQ 8
34 
35 #endif /* __ASM_SPARC64_MC146818RTC_H */
36