PHY_SDCLKDL_CNFG_R
sdhci_writeb(host, PHY_SDCLKDL_CNFG_EXTDLY_EN, PHY_SDCLKDL_CNFG_R);
val = sdhci_readb(host, PHY_SDCLKDL_CNFG_R);
sdhci_writeb(host, val, PHY_SDCLKDL_CNFG_R);
val = sdhci_readb(host, PHY_SDCLKDL_CNFG_R);
sdhci_writeb(host, val, PHY_SDCLKDL_CNFG_R);
sdhci_writeb(host, PHY_SDCLKDL_CNFG_UPDATE, PHY_SDCLKDL_CNFG_R);
sdhci_writeb(host, 0x0, PHY_SDCLKDL_CNFG_R);
sdhci_writeb(host, PHY_SDCLKDL_CNFG_UPDATE, PHY_SDCLKDL_CNFG_R);
val = sdhci_readb(host, PHY_SDCLKDL_CNFG_R);
sdhci_writeb(host, val, PHY_SDCLKDL_CNFG_R);