fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-x86 / mc146818rtc_64.h
blobd6e3009430c1efaa1b162d983bf750da3982ad6d
1 /*
2 * Machine dependent access functions for RTC registers.
3 */
4 #ifndef _ASM_MC146818RTC_H
5 #define _ASM_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_MC146818RTC_H */