DAVINCI_MMCIM
writel(0, host->base + DAVINCI_MMCIM);
writel(im_val, host->base + DAVINCI_MMCIM);
writel(0, host->base + DAVINCI_MMCIM);
writel(0, host->base + DAVINCI_MMCIM);
writel(0, host->base + DAVINCI_MMCIM);
im_val = readl(host->base + DAVINCI_MMCIM);
writel(0, host->base + DAVINCI_MMCIM);
writel(im_val, host->base + DAVINCI_MMCIM);