REG_MMU_CTRL
writel(CTRL_ENABLE, data->sfrbase + REG_MMU_CTRL);
writel(CTRL_BLOCK, data->sfrbase + REG_MMU_CTRL);
writel(CTRL_DISABLE, data->sfrbase + REG_MMU_CTRL);
writel(CTRL_BLOCK, data->sfrbase + REG_MMU_CTRL);
writel(CTRL_ENABLE, data->sfrbase + REG_MMU_CTRL);