MCF_SDRAMC_SDCR_REF
if (!(readl(MCF_SDRAMC_SDCR) & MCF_SDRAMC_SDCR_REF)) {
writel(MCF_SDRAMC_SDCR_REF | MCF_SDRAMC_SDCR_DQS_OE(0xC),
if (readl(MCF_SDRAMC_SDCR) & MCF_SDRAMC_SDCR_REF)
if (readl(MCF_SDRAMC_SDCR) & MCF_SDRAMC_SDCR_REF)