From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/mips/include/asm/mach-jazz/mc146818rtc.h | 38 +++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 arch/mips/include/asm/mach-jazz/mc146818rtc.h (limited to 'arch/mips/include/asm/mach-jazz/mc146818rtc.h') diff --git a/arch/mips/include/asm/mach-jazz/mc146818rtc.h b/arch/mips/include/asm/mach-jazz/mc146818rtc.h new file mode 100644 index 000000000..987f727af --- /dev/null +++ b/arch/mips/include/asm/mach-jazz/mc146818rtc.h @@ -0,0 +1,38 @@ +/* + * 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 + +#include +#include + +#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 */ -- cgit v1.2.3