CS4280_SPCR
BA1WRITE4(sc, CS4280_SPCR, SPCR_RUN | SPCR_RUNFR | SPCR_DRQEN);
while (BA1READ4(sc, CS4280_SPCR) & SPCR_RUNFR) {
BA1WRITE4(sc, CS4280_SPCR, SPCR_RSTSP);
BA1WRITE4(sc, CS4280_SPCR, 0);
BA1WRITE4(sc, CS4280_SPCR, SPCR_DRQEN);