WDTCONTROL
writel_relaxed(0, wdt->base + WDTCONTROL);
writel_relaxed(INT_ENABLE | RESET_ENABLE, wdt->base + WDTCONTROL);
WDTCONTROL);
writel_relaxed(0, wdt->base + WDTCONTROL);
u32 wdtcontrol = readl_relaxed(wdt->base + WDTCONTROL);