VSEC Capability Register 2 (Offset 0x200) - 3.0 English

AXI Bridge for PCI Express Gen3 Subsystem Product Guide (PG194)

Document ID
PG194
Release Date
2023-11-24
Version
3.0 English

The VSEC capability register (described in the following table) allows the memory space for the core to appear as though it is a part of the underlying integrated block PCIe configuration space. The VSEC is inserted immediately following the last enhanced capability structure in the underlying block. VSEC is defined in the PCI Express Base Specification, v1.1 (7.19 of v2.0), available from PCI-SIG Specifications (https://www.pcisig.com/specifications).

Table 1. VSEC Capability Register 2
Bits Name Core Access Reset Value Description
15:0 VSEC Capability ID RO 0x000B PCI-SIG™ defined ID identifying this Enhanced Capability as a Vendor-Specific capability. Hardcoded to 0x000B.
19:16 Capability Version RO 0x1 Version of this capability structure. Hardcoded to 0x1.
31:20 Next Capability Offset RO 0x000 Offset to next capability.