PAD_CMD_TUNE
host->base + PAD_CMD_TUNE);
sdr_set_bits(host->base + PAD_CMD_TUNE, BIT(0));
sdr_set_field(host->base + PAD_CMD_TUNE,
sdr_set_field(host->base + PAD_CMD_TUNE, PAD_CMD_TUNE_RX_DLY3,
host->saved_tune_para.pad_cmd_tune = readl(host->base + PAD_CMD_TUNE);
host->save_para.pad_cmd_tune = readl(host->base + PAD_CMD_TUNE);
writel(host->save_para.pad_cmd_tune, host->base + PAD_CMD_TUNE);