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Observer
Observer
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Registered: ‎03-29-2016

PCI Express transaction interface problem

Hello,

I am making a communication of PCIe from FPGA (ML605) to PC (Intel i5 x64).

I am able to send data from FPGA to PC using xbmd application. after data is sending xbmd app will send a interrupt, and respective ISR will run in kernel.

The kernel interrupt handler i have written is to reset xbmd app (by sending '1' & '0' to loc DMA Control reg).

 

The problem is i can see (Using ILA Core) waveforms that sending data, but  not receiving the reset signal..

i can say this by trn_rsrc_rdy_n is always '1'..

So can any body say what may be the problem occuring.... 

Details are shown in picture..

 

PLZ any one help me ....

interrupt with leg clr - Copy.PNG
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