JZ_REG_MMC_IREG
writel(val, host->base + JZ_REG_MMC_IREG);
writew(val, host->base + JZ_REG_MMC_IREG);
return readl(host->base + JZ_REG_MMC_IREG);
return readw(host->base + JZ_REG_MMC_IREG);
