SDC_CFG
u32 val = readl(host->base + SDC_CFG);
writel(val, host->base + SDC_CFG);
sdr_set_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE);
sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE);
sdr_set_bits(host->base + SDC_CFG, SDC_CFG_INSWKUP);
sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_INSWKUP);
sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_SDIO);
sdr_set_bits(host->base + SDC_CFG, SDC_CFG_SDIO);
sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE);
sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, 3);
sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_INSWKUP);
host->save_para.sdc_cfg = readl(host->base + SDC_CFG);
writel(host->save_para.sdc_cfg, host->base + SDC_CFG);
sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC,
sdr_set_field(host->base + SDC_CFG, SDC_CFG_WRDTOC,