DWC3_GUSB2PHYCFG0
reg = DWC3_READ(sc, DWC3_GUSB2PHYCFG0);
phy2 = DWC3_READ(sc, DWC3_GUSB2PHYCFG0);
DWC3_WRITE(sc, DWC3_GUSB2PHYCFG0, phy2);
DWC3_WRITE(sc, DWC3_GUSB2PHYCFG0, phy2);
reg = DWC3_READ(sc, DWC3_GUSB2PHYCFG0);
DWC3_WRITE(sc, DWC3_GUSB2PHYCFG0, reg);
reg = DWC3_READ(sc, DWC3_GUSB2PHYCFG0);
DWC3_WRITE(sc, DWC3_GUSB2PHYCFG0, reg);