GXBB_WDT_CTRL_REG
ctrl_reg = readl(data->reg_base + GXBB_WDT_CTRL_REG) &
writel(ctrl_reg, data->reg_base + GXBB_WDT_CTRL_REG);
writel(readl(data->reg_base + GXBB_WDT_CTRL_REG) | GXBB_WDT_CTRL_EN,
data->reg_base + GXBB_WDT_CTRL_REG);
writel(readl(data->reg_base + GXBB_WDT_CTRL_REG) & ~GXBB_WDT_CTRL_EN,
data->reg_base + GXBB_WDT_CTRL_REG);