XHCI_USBCMD
bus_write_4(res, offs + XHCI_USBCMD, 0);
XWRITE4(sc, oper, XHCI_USBCMD, XHCI_CMD_RS |
XWRITE4(sc, oper, XHCI_USBCMD, 0);
XWRITE4(sc, oper, XHCI_USBCMD, 0);
XWRITE4(sc, oper, XHCI_USBCMD, XHCI_CMD_HCRST);
temp = (XREAD4(sc, oper, XHCI_USBCMD) & XHCI_CMD_HCRST) |
case XHCI_USBCMD:
case XHCI_USBCMD: /* 0x00 */