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Honored Contributor I
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PCIe hard IP in Qsys bar0 or bar1_0?

Which is the bar used for PCIe hard IP in Qsys? 

 

Why all the documents says bar0, while the Qsys diagram shows "bar1_0"? 

 

Is "bar1_0" equal to bar0, or is it bar1? 

 

Thank you very much!
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Highlighted
Honored Contributor I
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--- Quote Start ---  

Which is the bar used for PCIe hard IP in Qsys? 

 

--- Quote End ---  

 

 

Whatever BARs you set up. 

 

 

--- Quote Start ---  

 

Why all the documents says bar0, while the Qsys diagram shows "bar1_0"? 

 

Is "bar1_0" equal to bar0, or is it bar1? 

 

Thank you very much! 

--- Quote End ---  

 

 

When BAR0 is defined as 64-bit, BAR1 gets 'used up', so bar1_0 really just means a 64-bit BAR0. 

 

Cheers, 

Dave
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