EMMC50_CFG0
sdr_set_bits(host->base + EMMC50_CFG0, EMMC50_CFG_CFCSTS_SEL);
sdr_set_field(host->base + EMMC50_CFG0, EMMC50_CFG_PADCMD_LATCHCK, 1);
sdr_set_field(host->base + EMMC50_CFG0, EMMC50_CFG_CMD_RESP_SEL, 1);
sdr_set_field(host->base + EMMC50_CFG0, EMMC50_CFG_PADCMD_LATCHCK, 0);
sdr_set_field(host->base + EMMC50_CFG0, EMMC50_CFG_CMD_RESP_SEL, 0);
host->save_para.emmc50_cfg0 = readl(host->base + EMMC50_CFG0);
writel(host->save_para.emmc50_cfg0, host->base + EMMC50_CFG0);