OpenCloudOS-Kernel/include/asm-mips/mach-ddb5074/mc146818rtc.h

32 lines
840 B
C

/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1998, 2001, 03 by Ralf Baechle
*
* RTC routines for PC style attached Dallas chip.
*/
#ifndef __ASM_MACH_DDB5074_MC146818RTC_H
#define __ASM_MACH_DDB5074_MC146818RTC_H
#include <asm/ddb5xxx/ddb5074.h>
#include <asm/ddb5xxx/ddb5xxx.h>
#define RTC_PORT(x) (0x70 + (x))
#define RTC_IRQ 8
static inline unsigned char CMOS_READ(unsigned long addr)
{
return *(volatile unsigned char *)(KSEG1ADDR(DDB_PCI_MEM_BASE)+addr);
}
static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
{
*(volatile unsigned char *)(KSEG1ADDR(DDB_PCI_MEM_BASE)+addr) = data;
}
#define RTC_ALWAYS_BCD 1
#endif /* __ASM_MACH_DDB5074_MC146818RTC_H */