diff options
Diffstat (limited to 'arch/mips/include/asm/m48t35.h')
| -rw-r--r-- | arch/mips/include/asm/m48t35.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/mips/include/asm/m48t35.h b/arch/mips/include/asm/m48t35.h new file mode 100644 index 00000000000..f44852e9a96 --- /dev/null +++ b/arch/mips/include/asm/m48t35.h @@ -0,0 +1,27 @@ +/* + * Registers for the SGS-Thomson M48T35 Timekeeper RAM chip + */ +#ifndef _ASM_M48T35_H +#define _ASM_M48T35_H + +#include <linux/spinlock.h> + +extern spinlock_t rtc_lock; + +struct m48t35_rtc { + volatile u8 pad[0x7ff8]; /* starts at 0x7ff8 */ + volatile u8 control; + volatile u8 sec; + volatile u8 min; + volatile u8 hour; + volatile u8 day; + volatile u8 date; + volatile u8 month; + volatile u8 year; +}; + +#define M48T35_RTC_SET 0x80 +#define M48T35_RTC_STOPPED 0x80 +#define M48T35_RTC_READ 0x40 + +#endif /* _ASM_M48T35_H */ |