SATA_CONFIGURATION
val = SATA_RD4(sc, SATA_CONFIGURATION);
SATA_WR4(sc, SATA_CONFIGURATION, val);
val = SATA_RD4(sc, SCFG_OFFSET + SATA_CONFIGURATION);
SATA_WR4(sc, SCFG_OFFSET + SATA_CONFIGURATION, val);