mc146818rtc.h revision 4b29af0a1b8b25b43e4c0cb9bf066c52f3add9bd
1/**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12#ifndef _ASM_MC146818RTC_H 13#define _ASM_MC146818RTC_H 14 15#include <asm/arch/irqs.h> 16#include <asm/io.h> 17 18#ifndef RTC_PORT 19#define RTC_PORT(x) (0x70 + (x)) 20#define RTC_ALWAYS_BCD 1 21#endif 22 23#define CMOS_READ(addr) ({ outb_p((addr),RTC_PORT(0)); inb_p(RTC_PORT(1)); }) 24#define CMOS_WRITE(val, addr) ({ outb_p((addr),RTC_PORT(0)); outb_p((val),RTC_PORT(1)); }) 25 26#endif 27