cfi_read_raw
val = cfi_read_raw(sc, sc->sc_wrofs + r);
val = cfi_read_raw(sc, ofs);
*dp++ = cfi_read_raw(sc, bp->bio_offset);
*dp++ = cfi_read_raw(sc, bp->bio_offset);
*dp++ = cfi_read_raw(sc, bp->bio_offset);
uint32_t cfi_read_raw(struct cfi_softc *, u_int);