35 lines
858 B
C
35 lines
858 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_AU1XX_MC146818RTC_H
|
||
|
|
#define __ASM_MACH_AU1XX_MC146818RTC_H
|
||
|
|
|
||
|
|
#include <asm/io.h>
|
||
|
|
#include <asm/mach-au1x00/au1000.h>
|
||
|
|
|
||
|
|
#define RTC_PORT(x) (0x0c000000 + (x))
|
||
|
|
#define RTC_IRQ 8
|
||
|
|
#define PB1500_RTC_ADDR 0x0c000000
|
||
|
|
|
||
|
|
static inline unsigned char CMOS_READ(unsigned long offset)
|
||
|
|
{
|
||
|
|
offset <<= 2;
|
||
|
|
return (u8)(au_readl(offset + PB1500_RTC_ADDR) & 0xff);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void CMOS_WRITE(unsigned char data, unsigned long offset)
|
||
|
|
{
|
||
|
|
offset <<= 2;
|
||
|
|
au_writel(data, offset + PB1500_RTC_ADDR);
|
||
|
|
}
|
||
|
|
|
||
|
|
#define RTC_ALWAYS_BCD 1
|
||
|
|
|
||
|
|
#endif /* __ASM_MACH_AU1XX_MC146818RTC_H */
|