linux/arch/mips/include/asm/mach-malta/mc146818rtc.h
Thomas Gleixner 41173abc57 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 182
Based on 1 normalized pattern(s):

  this program is free software you can distribute it and or modify it
  under the terms of the gnu general public license version 2 as
  published by the free software foundation this program is
  distributed in the hope it will be useful but without any warranty
  without even the implied warranty of merchantability or fitness for
  a particular purpose see the gnu general public license for more
  details you should have received a copy of the gnu general public
  license along with this program if not write to the free software
  foundation inc 59 temple place suite 330 boston ma 02111 1307 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 32 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528170026.531157061@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:29:20 -07:00

37 lines
970 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
* Copyright (C) 2003 by Ralf Baechle
*
* RTC routines for Malta style attached PIIX4 device, which contains a
* Motorola MC146818A-compatible Real Time Clock.
*/
#ifndef __ASM_MACH_MALTA_MC146818RTC_H
#define __ASM_MACH_MALTA_MC146818RTC_H
#include <asm/io.h>
#include <asm/mips-boards/generic.h>
#include <asm/mips-boards/malta.h>
#define RTC_PORT(x) (0x70 + (x))
#define RTC_IRQ 8
static inline unsigned char CMOS_READ(unsigned long addr)
{
outb(addr, MALTA_RTC_ADR_REG);
return inb(MALTA_RTC_DAT_REG);
}
static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
{
outb(addr, MALTA_RTC_ADR_REG);
outb(data, MALTA_RTC_DAT_REG);
}
#define RTC_ALWAYS_BCD 0
#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1900)
#endif /* __ASM_MACH_MALTA_MC146818RTC_H */