SDC_FIFO_CFG
sdr_clr_bits(host->base + SDC_FIFO_CFG, SDC_FIFO_CFG_WRVALIDSEL);
sdr_clr_bits(host->base + SDC_FIFO_CFG, SDC_FIFO_CFG_RDVALIDSEL);
host->save_para.sdc_fifo_cfg = readl(host->base + SDC_FIFO_CFG);
writel(host->save_para.sdc_fifo_cfg, host->base + SDC_FIFO_CFG);