Click Xilinx "Xilinx Tools" and then "Repositories"
XilinxSDKProjectRepositories
After this a pop-up "Preferences" will appear.
Add Reference Repositories for custom driver of custom block/device
Click "New..." button of "Local Repositories (available to the current workspace)"
Select "C:\XilinxProject\TE-EDK-IP".
Add reference with double indirection (as required by Xilinx SDK)
Click "Apply".
You should click "OK".
After this, you should wait until the building procedure ended.
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