[PATCH] add a proper prototype for setup_arch()
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / asm-sparc / mc146818rtc.h
blobfa7eac9265825e7cd7ccb1f38ec1a64015df967a
1 /*
2 * Machine dependent access functions for RTC registers.
3 */
4 #ifndef __ASM_SPARC_MC146818RTC_H
5 #define __ASM_SPARC_MC146818RTC_H
7 #include <asm/io.h>
9 #ifndef RTC_PORT
10 #define RTC_PORT(x) (0x70 + (x))
11 #define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */
12 #endif
15 * The yet supported machines all access the RTC index register via
16 * an ISA port access but the way to access the date register differs ...
18 #define CMOS_READ(addr) ({ \
19 outb_p((addr),RTC_PORT(0)); \
20 inb_p(RTC_PORT(1)); \
22 #define CMOS_WRITE(val, addr) ({ \
23 outb_p((addr),RTC_PORT(0)); \
24 outb_p((val),RTC_PORT(1)); \
27 #define RTC_IRQ 8
29 #endif /* __ASM_SPARC_MC146818RTC_H */