cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mc146818rtc.h (925B)


      1/*
      2 * This file is subject to the terms and conditions of the GNU General Public
      3 * License.  See the file "COPYING" in the main directory of this archive
      4 * for more details.
      5 *
      6 * Copyright (C) 1998, 2001, 03 by Ralf Baechle
      7 * Copyright (C) 2007 Thomas Bogendoerfer
      8 *
      9 * RTC routines for Jazz style attached Dallas chip.
     10 */
     11#ifndef __ASM_MACH_JAZZ_MC146818RTC_H
     12#define __ASM_MACH_JAZZ_MC146818RTC_H
     13
     14#include <linux/delay.h>
     15
     16#include <asm/io.h>
     17#include <asm/jazz.h>
     18
     19#define RTC_PORT(x)	(0x70 + (x))
     20#define RTC_IRQ		8
     21
     22static inline unsigned char CMOS_READ(unsigned long addr)
     23{
     24	outb_p(addr, RTC_PORT(0));
     25	return *(volatile char *)JAZZ_RTC_BASE;
     26}
     27
     28static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
     29{
     30	outb_p(addr, RTC_PORT(0));
     31	*(volatile char *)JAZZ_RTC_BASE = data;
     32}
     33
     34#define RTC_ALWAYS_BCD	0
     35
     36#define mc146818_decode_year(year) ((year) + 1980)
     37
     38#endif /* __ASM_MACH_JAZZ_MC146818RTC_H */