arch/arm/cpu/arm926ejs/sc8800x/watchdog.c

   1 #include <config.h>
   2 #include <asm/io.h>
   3 #include <asm/arch/regs_global.h>
   4 #include <asm/arch/bits.h>
   5 #include <linux/types.h>
   6 #include <asm/arch/regs_wdg.h>
   7
   8 void start_watchdog(uint32_t init_time_ms)
   9 {
  10 }
  11
  12 void stop_watchdog(void)
  13 {
  14
  15         //Enable watchdog programming
  16         REG32(GR_GEN0) |=GEN0_WDG_EN;
  17         REG32(GR_CLK_EN) &= ~0x04;
  18         //Unlock watchdog load rigiter
  19         REG32(WDG_LOCK) = 0x1ACCE551;
  20         //clear watchdog interrupt
  21         REG32(WDG_INT_CLR) = 1;
  22
  23         //Disable watchdog timer clock and interrupt mode
  24         REG32(WDG_CTL) &= ~(BIT_1  | BIT_0);
  25         //lOCK WATCH DOG
  26         REG32(WDG_LOCK) = 0x12345678;
  27         //Disable watchdog programming
  28         REG32(GR_GEN0) &= ~GEN0_WDG_EN;
  29 }
  30
  31 void init_watchdog(void)
  32 {
  33
  34 }
  35
  36 void feed_watchdog(void)
  37 {
  38 }
  39
  40 void load_watchdog(uint32_t time_ms)
  41 {
  42 }
  43 void hw_watchdog_reset(void)
  44 {
  45 }