WDT_CMD
writel(WDT_CMD_START_COUNTER, wdt->wdt_regs + WDT_CMD);
writel(WDT_CMD_DISABLE_COUNTER, wdt->wdt_regs + WDT_CMD);
writel(WDT_CMD_START_COUNTER, wdt->wdt_regs + WDT_CMD);
writel(WDT_CMD_START_STOP, priv->base + WDT_CMD);
writel(WDT_CMD_START_STOP, priv->base + WDT_CMD);
writel(WDT_CMD_CLEAR, priv->base + WDT_CMD);
writel(WDT_CMD_CLEAR, priv->base + WDT_CMD);