XHCI_CRCR_HI
XWRITE4(sc, oper, XHCI_CRCR_HI, 0);
XWRITE4(sc, oper, XHCI_CRCR_HI, 0);
XWRITE4(sc, oper, XHCI_CRCR_HI, (uint32_t)(addr >> 32));
XWRITE4(sc, oper, XHCI_CRCR_HI, (uint32_t)(addr >> 32));
case XHCI_CRCR_HI:
case XHCI_CRCR_HI: /* 0x1C */