Unsupported Features - 2.0 English

Versal Adaptive SoC DMA and Bridge Subsystem for PCI Express Product Guide (PG344)

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2.0 English
Fast PCI Express endpoint enumeration using tandem configuration is not supported. This use case addresses the ability to initially load a fully configurable PCI Express protocol solution from a small external ROM, so as to meet the 100 ms enumeration requirement. Support for tandem configuration for the PL PCIE block in AMD Versal adaptive SoC is not currently planned.
Note: Any user design requiring fast PCIe enumeration or configuration through PCIe should use the PCIe controllers in the CPM. Not all AMD Versal adaptive SoCs contain this particular resource. For details, see Versal Adaptive SoC CPM Mode for PCI Express Product Guide (PG346).