[MIPS] Add gpio support to the BCM47XX platform
[linux-2.6] / include / asm-mips / m48t37.h
1 /*
2  *  Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
3  */
4 #ifndef _ASM_M48T37_H
5 #define _ASM_M48T37_H
6
7 #include <linux/spinlock.h>
8
9 extern spinlock_t rtc_lock;
10
11 struct m48t37_rtc {
12         volatile u8     pad[0x7ff0];    /* NVRAM */
13         volatile u8     flags;
14         volatile u8     century;
15         volatile u8     alarm_sec;
16         volatile u8     alarm_min;
17         volatile u8     alarm_hour;
18         volatile u8     alarm_data;
19         volatile u8     interrupts;
20         volatile u8     watchdog;
21         volatile u8     control;
22         volatile u8     sec;
23         volatile u8     min;
24         volatile u8     hour;
25         volatile u8     day;
26         volatile u8     date;
27         volatile u8     month;
28         volatile u8     year;
29 };
30
31 #define M48T37_RTC_SET          0x80
32 #define M48T37_RTC_STOPPED      0x80
33 #define M48T37_RTC_READ         0x40
34
35 #endif /* _ASM_M48T37_H */