diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:35:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:37:32 +0200 |
| commit | 365d46dc9be9b3c833990a06f3994b1987eda578 (patch) | |
| tree | 9397d1304144a288411f2118707f44ff5e862fa6 /arch/mips/include/asm/mach-jazz/mc146818rtc.h | |
| parent | xen: do not reserve 2 pages of padding between hypervisor and fixmap. (diff) | |
| parent | Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tyt... (diff) | |
| download | linux-365d46dc9be9b3c833990a06f3994b1987eda578.tar.xz linux-365d46dc9be9b3c833990a06f3994b1987eda578.zip | |
Merge branch 'linus' into x86/xen
Conflicts:
arch/x86/kernel/cpu/common.c
arch/x86/kernel/process_64.c
arch/x86/xen/enlighten.c
Diffstat (limited to 'arch/mips/include/asm/mach-jazz/mc146818rtc.h')
| -rw-r--r-- | arch/mips/include/asm/mach-jazz/mc146818rtc.h | 38 |
1 files changed, 38 insertions, 0 deletions
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 000000000000..987f727afe25 --- /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 <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 */ |