I'm working on a IOM mini-driver based on the generic EDMA McBSP Device Driver for TMS320C6x1x DSPs (SPRA846A).
In my opinion, there is a bug in c6x1x_edma_mcbsp.c which turns up when using two instances of the driver on a c6713 dsp:
On line 675 both instances get the same EDMA channels and therefore the second instantiation fails.
I think more correct would be
static Int edmaChans[NUMPORTS][2] = {{13,12},{15,14}};
instead of
static Int edmaChans[2] = {15,14};
on line 121, and
edmaChan = EDMA_map(eventIds[port->devid][chan->mode], edmaChans[port->devid][chan->mode]);
instead of
edmaChan = EDMA_map(eventIds[port->devid][chan->mode], edmaChans[chan->mode]);
Robert
