IMGU_REG_IRQCTRL_ENABLE
readl(base + IMGU_REG_IRQCTRL_ENABLE(i));
base + IMGU_REG_IRQCTRL_ENABLE(IMGU_IRQCTRL_MAIN));
readl(base + IMGU_REG_IRQCTRL_ENABLE(IMGU_IRQCTRL_MAIN));
base + IMGU_REG_IRQCTRL_ENABLE(i));
readl(base + IMGU_REG_IRQCTRL_ENABLE(i));