[NET]: Possible cleanups.
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / asm-arm / mc146818rtc.h
blob7b81e0c4254398b123742fc380625d164da85053
1 /*
2 * Machine dependent access functions for RTC registers.
3 */
4 #ifndef _ASM_MC146818RTC_H
5 #define _ASM_MC146818RTC_H
7 #include <asm/arch/irqs.h>
8 #include <asm/io.h>
10 #ifndef RTC_PORT
11 #define RTC_PORT(x) (0x70 + (x))
12 #define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */
13 #endif
16 * The yet supported machines all access the RTC index register via
17 * an ISA port access but the way to access the date register differs ...
19 #define CMOS_READ(addr) ({ \
20 outb_p((addr),RTC_PORT(0)); \
21 inb_p(RTC_PORT(1)); \
23 #define CMOS_WRITE(val, addr) ({ \
24 outb_p((addr),RTC_PORT(0)); \
25 outb_p((val),RTC_PORT(1)); \
28 #endif /* _ASM_MC146818RTC_H */