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usr
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src
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linux-headers-5.15.0-190
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arch
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mips
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include
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asm
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mach-jazz
/
/usr/src/linux-headers-5.15.0-190/arch/mips/include/asm/mach-jazz
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floppy.h
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mc146818rtc.h
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/usr/src/linux-headers-5.15.0-190/arch/mips/include/asm/mach-jazz/mc146818rtc.h
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/* * 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 by Ralf Baechle * Copyright (C) 2007 Thomas Bogendoerfer * * RTC routines for Jazz style attached Dallas chip. */ #ifndef __ASM_MACH_JAZZ_MC146818RTC_H #define __ASM_MACH_JAZZ_MC146818RTC_H #include <linux/delay.h> #include <asm/io.h> #include <asm/jazz.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 *(volatile char *)JAZZ_RTC_BASE; } static inline void CMOS_WRITE(unsigned char data, unsigned long addr) { outb_p(addr, RTC_PORT(0)); *(volatile char *)JAZZ_RTC_BASE = data; } #define RTC_ALWAYS_BCD 0 #define mc146818_decode_year(year) ((year) + 1980) #endif /* __ASM_MACH_JAZZ_MC146818RTC_H */
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