Corr does this in 1MB chunks for this reason. I suspect a problem in the controller. Glenn, can you access over 256MB from the fabric?
Jason On 26 Feb 2014, at 17:13, Marc Welz <m...@ska.ac.za> wrote: > On Tue, Feb 25, 2014 at 7:43 AM, G Jones <glenn.calt...@gmail.com> wrote: >> Hi Marc, >> Thanks for the reply. I would have expected that selecting the 64 MB chunk >> with the dram_controller register as described in the DRAM block >> documentation on the wiki would get around any such PPC address space >> limitation. Is that not the case? > > I think that should indeed be the case - I had forgotten that the base+offset > scheme had already been implemented quite some time ago. > > A note though: On the other side of the FPGA, there isn't that much > memory to go around either - so where possibly try and send it out (or > process it) > in smaller pieces > > regards > > marc >
