DC_ISR
isr = CSR_READ_4(sc, DC_ISR);
DC_ISR) & DC_ISR_RX_STATE) == DC_RXSTATE_WAIT) &&
isr = CSR_READ_4(sc, DC_ISR);
status = CSR_READ_4(sc, DC_ISR);
CSR_WRITE_4(sc, DC_ISR, status);
status = CSR_READ_4(sc, DC_ISR);
CSR_WRITE_4(sc, DC_ISR, status);
status = CSR_READ_4(sc, DC_ISR);
CSR_WRITE_4(sc, DC_ISR, 0xFFFFFFFF);
reg = CSR_READ_4(dc_sc, DC_ISR);
status = CSR_READ_4(sc, DC_ISR);
CSR_WRITE_4(sc, DC_ISR, status);