CICR4
__raw_writel(pcdev->mclk_divisor | cicr4, pcdev->base + CICR4);
__raw_writel(cicr4, pcdev->base + CICR4);
pcdev->save_cicr[i++] = __raw_readl(pcdev->base + CICR4);
__raw_writel(pcdev->save_cicr[i++], pcdev->base + CICR4);