This is great work JP. Out of interest is anyone else planning to use the DDR3 on ROACH2?
Wesley New South African SKA Project +2721 506 7365 www.ska.ac.za On Wed, Jul 24, 2013 at 8:24 AM, Juan-Pierre Jansen van Rensburg < jvrensburg...@gmail.com> wrote: > Hi all > > I have been working on a yellow block for the DDR3 of the ROACH-2. As far > as I know this yellow block does not yet exist? > > > The same DRAM yellow block is used and interfacing the memory remains the > same (as for the ROACH-1). The DRAM also uses an asynchronous fifo to allow > long write bursts. I have tested the memory (thoroughly) using standard > memory test patterns, and the memory passes reliably (I have yet to see a > failure). > > I have not yet implemented a CPU interface to the DDR3, but this will > hopefully be done soon. I have a couple more things that I would like to > check/test, and if this is done I'll ask one of the SKA-SA guys to push > this onto their CASPER mlib git repo. > > I thought this is information worth sharing so that multiple people don't > end up working on the same thing... Hopefully this is not already the case! > > Thanks, > JP van Rensburg > > > >
