target/linux/amazon/files/include/asm-mips/amazon/amazon_wdt.h

   1 #ifndef AMAZON_WDT_H
   2 #define AMAZON_WDT_H
   3 #ifdef __KERNEL__
   4 typedef struct wdt_dev{
   5       char name[16];
   6       int major;
   7       int minor;
   8
   9       int full;
  10       char buff[10];
  11 }wdt_dev;
  12 #define AMAZON_WDT_REG32(addr) (*((volatile u32*)(addr)))
  13 #endif //__KERNEL__
  14
  15 //AMAZON_WDT_IOC_START: start the WDT timer (must provide a initial timeout value)
  16 //AMAZON_WDT_IOC_STOP: stop the WDT
  17 //AMAZON_WDT_IOC_PING: reload the timer to initial value (must happend after a AMAZON_WDT_IOC_START)
  18 #define AMAZON_WDT_IOC_MAGIC    0xc0
  19 #define AMAZON_WDT_IOC_START    _IOW( AMAZON_WDT_IOC_MAGIC,0, int)
  20 #define AMAZON_WDT_IOC_STOP     _IO( AMAZON_WDT_IOC_MAGIC,1)
  21 #define AMAZON_WDT_IOC_PING     _IO( AMAZON_WDT_IOC_MAGIC,2)
  22
  23 #endif //AMAZON_WDT_H