linux_dsm_epyc7002/arch/mips/include/asm/mach-loongson2ef/mc146818rtc.h
Jiaxun Yang 5831fdb099
MIPS: Loongson2ef: clean up loongson64 related code
Remove unrelevent macros, defines and codes from loongson2ef mach.
Also rename some defines to match new naming.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: paul.burton@mips.com
2019-11-01 14:31:28 -07:00

37 lines
922 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, 07 by Ralf Baechle (ralf@linux-mips.org)
*
* RTC routines for PC style attached Dallas chip.
*/
#ifndef __ASM_MACH_LOONGSON2EF_MC146818RTC_H
#define __ASM_MACH_LOONGSON2EF_MC146818RTC_H
#include <linux/io.h>
#define RTC_PORT(x) (0x70 + (x))
#define RTC_IRQ 8
static inline unsigned char CMOS_READ(unsigned long addr)
{
outb_p(addr, RTC_PORT(0));
return inb_p(RTC_PORT(1));
}
static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
{
outb_p(addr, RTC_PORT(0));
outb_p(data, RTC_PORT(1));
}
#define RTC_ALWAYS_BCD 0
#ifndef mc146818_decode_year
#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1970)
#endif
#endif /* __ASM_MACH_LOONGSON2EF_MC146818RTC_H */