EHCI_USBCMD
WriteOpReg(EHCI_USBCMD, 0);
WriteOpReg(EHCI_USBCMD, EHCI_USBCMD_HCRESET);
while (ReadOpReg(EHCI_USBCMD) & EHCI_USBCMD_HCRESET) {
WriteOpReg(EHCI_USBCMD, ReadOpReg(EHCI_USBCMD) | EHCI_USBCMD_INTONAAD);
WriteOpReg(EHCI_USBCMD, 0);
ReadOpReg(EHCI_USBCMD), ReadOpReg(EHCI_USBSTS));
uint32 config = ReadOpReg(EHCI_USBCMD);
WriteOpReg(EHCI_USBCMD, config | EHCI_USBCMD_RUNSTOP