BGE_BMAN_MBUFPOOL_HIWAT
CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_HIWAT, 0xea);
CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_HIWAT, 0xa0);
CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_HIWAT, 0x60);
CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_HIWAT, 0x10);
CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_HIWAT, 0x60);