Configuration VC1 Status Interface - 3.4 English

Versal Adaptive SoC CPM Mode for PCI Express Product Guide (PG346)

Document ID
PG346
Release Date
2024-05-30
Version
3.4 English

The Configuration VC1 Status interface is used to determine the VC1 enablement or disablement by the software, and determine the VC1 resource status.

Note: *cfg_vc1* ports are applicable only for PCIe Controller 0.
Table 1. Configuration VC1 Status Interface Port Descriptions
Port I/O Width Description
pcie0_cfg_vc1_enable O 1 Configuration VC1 Enable: VC1 Resource Control Register:VC Enable bit.

When 1b, indicates software has enabled VC1 operation.

When 0b, indicates that VC1 is disabled by software.

pcie0_cfg_vc1_negotiation_pending O 1 Configuation VC1 Negotiation Pending: VC1 Resource Status Register: VC Negotiation Pending bit.

When 1b, indicates VC1 negotiation (initialization or disabling) is in pending state.