CRMFB_FRM_TILESIZE
crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);