49fa3c0869
Big endian RMs uses a different mc146818_decode_year than little endian RMs Correct mc146818_decode_year for years before 2000 Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*
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* Copyright (C) 1999, 2000, 2005 MIPS Technologies, Inc.
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* All rights reserved.
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* Authors: Carsten Langgaard <carstenl@mips.com>
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* Maciej W. Rozycki <macro@mips.com>
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* Copyright (C) 2003, 05 Ralf Baechle (ralf@linux-mips.org)
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*
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* This program is free software; you can distribute it and/or modify it
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* under the terms of the GNU General Public License (Version 2) as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*/
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#ifndef __ASM_MACH_ATLAS_MC146818RTC_H
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#define __ASM_MACH_ATLAS_MC146818RTC_H
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#include <linux/types.h>
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#include <asm/addrspace.h>
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#include <asm/mips-boards/atlas.h>
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#include <asm/mips-boards/atlasint.h>
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#define ARCH_RTC_LOCATION
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#define RTC_PORT(x) (ATLAS_RTC_ADR_REG + (x) * 8)
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#define RTC_IO_EXTENT 0x100
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#define RTC_IOMAPPED 0
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#define RTC_IRQ ATLAS_INT_RTC
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static inline unsigned char CMOS_READ(unsigned long addr)
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{
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volatile u32 *ireg = (void *)CKSEG1ADDR(RTC_PORT(0));
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volatile u32 *dreg = (void *)CKSEG1ADDR(RTC_PORT(1));
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*ireg = addr;
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return *dreg;
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}
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static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
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{
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volatile u32 *ireg = (void *)CKSEG1ADDR(RTC_PORT(0));
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volatile u32 *dreg = (void *)CKSEG1ADDR(RTC_PORT(1));
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*ireg = addr;
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*dreg = data;
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}
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#define RTC_ALWAYS_BCD 0
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#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1900)
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#endif /* __ASM_MACH_ATLAS_MC146818RTC_H */
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