void watchdog_init( void )
{
wdt_init();
wdt_config();
wdt_set_timeout(((WATCHDOG_TIMEOUT/1000)*WATCHDOG_CLK_FREQ));
watchdog_smphr = xSemaphoreCreateBinary();
xTaskCreate( WatchdogTask, (const char *) "Watchdog Task", 60, (void * ) NULL, tskWATCHDOG_PRIORITY, ( TaskHandle_t * ) NULL);
}
static int wdt_turnoff(void)
{
del_timer(&timer);
wdt_config(0);
pr_info("Watchdog timer is now disabled...\n");
return 0;
}
static int wdt_turnoff(void)
{
/* Stop the timer */
del_timer(&timer);
/* Stop the watchdog */
wdt_config(0);
printk(KERN_INFO PFX "Watchdog timer is now disabled...\n");
return 0;
}
static int wdt_startup(void)
{
next_heartbeat = jiffies + (timeout * HZ);
mod_timer(&timer, jiffies + WDT_INTERVAL);
wdt_config(WDT_ENB | WDT_WRST_ENB | WDT_EXP_SEL_04);
pr_info("Watchdog timer is now enabled\n");
return 0;
}
static int wdt_startup(void)
{
next_heartbeat = jiffies + (timeout * HZ);
/* Start the timer */
mod_timer(&timer, jiffies + WDT_INTERVAL);
/* Start the watchdog */
wdt_config(WDT_ENB | WDT_WRST_ENB | WDT_EXP_SEL_04);
printk(KERN_INFO PFX "Watchdog timer is now enabled.\n");
return 0;
}
static long hisik3_wdt_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
int ret = -ENOTTY;
int timeout;
unsigned int temp = 0x0;
switch (cmd) {
case WDIOC_GETSUPPORT:
ret = copy_to_user((struct watchdog_info *)arg, &ident,
sizeof(ident)) ? -EFAULT : 0;
break;
case WDIOC_GETSTATUS:
ret = put_user(0, (int *)arg);
break;
/* do not implement this feature now
case WDIOC_GETBOOTSTATUS:
ret = put_user(wdt->boot_status, (int *)arg);
break;
*/
case WDIOC_KEEPALIVE:
wdt_enable();
ret = 0;
break;
case WDIOC_SETTIMEOUT:
ret = get_user(timeout, (int *)arg);
if (ret)
break;
dev_warn(&wdt->pdev->dev,"SETTIMEOUT : %d\n",timeout);
wdt_config(timeout);
wdt_enable();
break;
case WDIOC_GETTIMEOUT:
ret = put_user(wdt->timeout, (int *)arg);
break;
case WDIOC_GETTEMP:
temp = readl(wdt->base + WDTVALUE);
/*dev_warn(&wdt->pdev->dev, "temp value = %02x", temp);*/
ret = put_user(temp, (unsigned int *)arg);
break;
default:
break;
}
return ret;
}
