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DHUAN26's avatar
DHUAN26
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7 years ago

How to initialize the Configuration Space when PCIe core in Root port mode?

I can read Device id and Vendor id of Root Port, but can not read Device id and Vendor id of Endpoint by user logic. PCIe core connect with only one Endpoint,and only one lane.
DHUAN26's avatar
DHUAN26
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7 years ago

"Sets the Root Port Configuration Space to enable the Root Port to send transactions on the PCI Express link." in ug_a10_pcie_avst 17.8.3 section.

How to enable detail?

If set command register to 16'h0007 by TLP on alalon is CfgWr0（{fmt，tppe} = 8'h44）,64'h0000000F44000004 + 64'h0000000000000007,can I enable it?