nxe_read
while ((nxe_read(sc, r) & m) != v) {
if (nxe_read(sc, NXE_WIN_CRB(sc->sc_function)) != r)
nxe_read(sc, NXE_SEM_ROM_UNLOCK);
u_int32_t nxe_read(struct nxe_softc *, bus_size_t);