02-22-2010 02:19 AM
i have got the avnet xilinx virtex 5 lx110t-2ff1136 fpga pci express development kit. i am working on a project where i need to send data from the PC to the fpga device at a very high rate i.e 1 GBytes/sec (minimum). the pci can theoratically provide a throughput of 1.6 GBytes/sec when using 8lanes.
now i cannot find a proper driver for PCI Express on the PC end. avnet provides pcitree software which do sends data from pc to fpga but it only allows a throughput of 32bits. also it does not give any code or functions for continuous back to back writes. i did find jungo windriver for PCI Express where i can achieve back to back writes but here once again the payload size is only 32-bit . have anyone else used the PCI Express interface of the board. if yes which driver is used or recommended for this particular board and what throughput is being achieved ???
thanking in anticipation
02-25-2010 05:21 AM
I didn't mean for you to port the xapp1052 design to the Avnet LX110T board, I simply meant you can use the software driver included in the xapp1052 with the Avnet board. If you are looking for a complete design, I have ported the Xilinx xapp859 design (http://www.xilinx.com/support/documentation/applic
02-28-2010 10:06 PM
thanks alot for the upload. will look into the xapp859 design
@aamer: what sort of work are you doing? i might need your help in implementing this design
which board and fpga are u using? do tell what throughput u have achieved
03-01-2010 08:56 AM
I am trying the LXT110 board with PLBV46_PCIe using the EDK 11.4 BSB and default values. Everything works fine if I do use XMD and PCIeTree (similar to section PciTree Testing of XAPP1030), however, when I try the MET the system hangs after some reads.
Moreover, If I try to acces the PCIe through C software on Microblaze, then PCIeTree on WinXP mother board shows 0XFFFFFFFF in all memory locations and memory test fails. Also, I can not read or write to 0xa0000000 location from XMD.
Can you please help me on this issue? My project file are attached.Is there something wrong with my WinXP PC?
Mohsin you can also try the attached files on your side.