FIPE_IOAT_CHAN_CTRL
ctrl = ddi_get16(handle, (uint16_t *)(addr + FIPE_IOAT_CHAN_CTRL));
(uint16_t *)(addr + FIPE_IOAT_CHAN_CTRL), 0x100);
ddi_put16(handle, (uint16_t *)(addr + FIPE_IOAT_CHAN_CTRL), 0);