TI_WINBASE
CSR_WRITE_4(sc, TI_WINBASE, TI_TX_RING_BASE);
CSR_WRITE_4(sc, TI_WINBASE,
CSR_WRITE_4(sc, TI_WINBASE,
CSR_WRITE_4(sc, TI_WINBASE,
CSR_WRITE_4(sc, TI_WINBASE,
CSR_WRITE_4(sc, TI_WINBASE,
CSR_WRITE_4(sc, TI_WINBASE,
CSR_WRITE_4(sc, TI_WINBASE,
CSR_WRITE_4(sc, TI_WINBASE,
CSR_WRITE_4(sc, TI_WINBASE, rounddown2(segptr, TI_WINLEN));