| /* |
| * Machine dependent access functions for RTC registers. |
| */ |
| #ifndef __ASM_SPARC64_MC146818RTC_H |
| #define __ASM_SPARC64_MC146818RTC_H |
| |
| #include <linux/config.h> |
| #include <asm/io.h> |
| |
| #ifndef RTC_PORT |
| #ifdef CONFIG_PCI |
| extern unsigned long ds1287_regs; |
| #else |
| #define ds1287_regs (0UL) |
| #endif |
| #define RTC_PORT(x) (ds1287_regs + (x)) |
| #define RTC_ALWAYS_BCD 0 |
| #endif |
| |
| /* |
| * The yet supported machines all access the RTC index register via |
| * an ISA port access but the way to access the date register differs ... |
| */ |
| #define CMOS_READ(addr) ({ \ |
| outb_p((addr),RTC_PORT(0)); \ |
| inb_p(RTC_PORT(1)); \ |
| }) |
| #define CMOS_WRITE(val, addr) ({ \ |
| outb_p((addr),RTC_PORT(0)); \ |
| outb_p((val),RTC_PORT(1)); \ |
| }) |
| |
| #define RTC_IRQ 8 |
| |
| #endif /* __ASM_SPARC64_MC146818RTC_H */ |