CSR_DMACTL
PUTCSR(dca, CSR_DMACTL, DMACTL_BE32 | DMACTL_BE64);
SETBIT(dca, CSR_DMACTL,
SETBIT(dca, CSR_DMACTL,
PUTCSR(dca, CSR_DMACTL, DMACTL_RESET);
dmactl = GETCSR(dca, CSR_DMACTL);
DBG(dca, DCHATTY, "CONTROL = %x", GETCSR(dca, CSR_DMACTL));
PUTCSR(dca, CSR_DMACTL, DMACTL_BE32 | DMACTL_BE64);
SETBIT(dca, CSR_DMACTL,
SETBIT(dca, CSR_DMACTL,
CLRBIT(dca, CSR_DMACTL,
CLRBIT(dca, CSR_DMACTL, DMACTL_MCR1IE | DMACTL_MCR2IE | DMACTL_EIE);