56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/*
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* Carsten Langgaard, carstenl@mips.com
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* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
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* Copyright (C) 2003 by Ralf Baechle
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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 <asm/io.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 RTC_PORT(x) (ATLAS_RTC_ADR_REG + (x)*8)
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#define RTC_IOMAPPED 1
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#define RTC_EXTENT 16
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#define RTC_IRQ ATLASINT_RTC
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#ifdef CONFIG_CPU_LITTLE_ENDIAN
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#define ATLAS_RTC_PORT(x) (RTC_PORT(x) + 0)
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#else
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#define ATLAS_RTC_PORT(x) (RTC_PORT(x) + 3)
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#endif
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static inline unsigned char CMOS_READ(unsigned long addr)
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{
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outb(addr, ATLAS_RTC_PORT(0));
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return inb(ATLAS_RTC_PORT(1));
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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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outb(addr, ATLAS_RTC_PORT(0));
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outb(data, ATLAS_RTC_PORT(1));
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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) + 1970)
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#endif /* __ASM_MACH_ATLAS_MC146818RTC_H */
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