SDHCI_FSL_PROT_CTRL
wrk32 = RD4(sc, SDHCI_FSL_PROT_CTRL);
val32 = RD4(sc, SDHCI_FSL_PROT_CTRL);
WR4(sc, SDHCI_FSL_PROT_CTRL, val32);
val_old = val = RD4(sc, SDHCI_FSL_PROT_CTRL);
WR4(sc, SDHCI_FSL_PROT_CTRL, val);
WR4(sc, SDHCI_FSL_PROT_CTRL, val_old);
val = RD4(sc, SDHCI_FSL_PROT_CTRL);
WR4(sc, SDHCI_FSL_PROT_CTRL, val | buf_order);