B0_XS_CSR
queue->tx_bmu_ctl = (HW_PTR) ADDR(B0_XS_CSR) ;
outpd(ADDR(B0_XS_CSR),CSR_SET_RESET) ;
outpd(ADDR(B0_XS_CSR),CSR_CLR_RESET) ;
outpd(ADDR(B0_XS_CSR),CSR_START) ;
outpd(ADDR(B0_XS_CSR),CSR_START) ;