OHCI1394_NodeID
reg_write(ohci, OHCI1394_NodeID, 0x0000ffc0);
reg = reg_read(ohci, OHCI1394_NodeID);
reg = reg_read(ohci, OHCI1394_NodeID);
return reg_read(ohci, OHCI1394_NodeID) << 16;
reg_write(ohci, OHCI1394_NodeID, value >> 16);