SDHCI_FSL_ESDHC_CTRL
reg = RD4(sc, SDHCI_FSL_ESDHC_CTRL);
WR4(sc, SDHCI_FSL_ESDHC_CTRL, reg);
error = sdhci_fsl_poll_register(sc, SDHCI_FSL_ESDHC_CTRL,
reg = RD4(sc, SDHCI_FSL_ESDHC_CTRL);
WR4(sc, SDHCI_FSL_ESDHC_CTRL, reg);
error = sdhci_fsl_poll_register(sc, SDHCI_FSL_ESDHC_CTRL,
val = RD4(sc, SDHCI_FSL_ESDHC_CTRL);
WR4(sc, SDHCI_FSL_ESDHC_CTRL, val | SDHCI_FSL_ESDHC_CTRL_CLK_DIV2);