ESDHC_DLLCFG0
val = sdhci_readl(host, ESDHC_DLLCFG0);
sdhci_writel(host, val, ESDHC_DLLCFG0);
temp = sdhci_readl(host, ESDHC_DLLCFG0);
sdhci_writel(host, temp, ESDHC_DLLCFG0);
sdhci_writel(host, temp, ESDHC_DLLCFG0);
sdhci_writel(host, temp, ESDHC_DLLCFG0);