GFFB_FIFO_PUT
printf("put: %08x\n", GFFB_READ_4(GFFB_FIFO_PUT));
printf("put: %08x\n", GFFB_READ_4(GFFB_FIFO_PUT));
printf("put: %08x\n", GFFB_READ_4(GFFB_FIFO_PUT));
GFFB_WRITE_4(GFFB_FIFO_PUT, sc->sc_put);
bus_space_barrier(sc->sc_memt, sc->sc_regh, GFFB_FIFO_PUT, 4,
GFFB_WRITE_4(GFFB_FIFO_PUT,
GFFB_WRITE_4(GFFB_FIFO_PUT, SKIPS << 2);