Device Family: Intel® Arria® 10, Intel® Cyclone® 10 GX

Type: Answers, Errata

Area: Intellectual Property


Last Modified: May 22, 2019
Version Found: v17.1
Bug ID: 2205877260

Why can't the Link Equalization Request bit be cleared by software when using the Intel® Arria® 10 and Intel® Cyclone® 10 GX Hard IP for PCIe* IP operating in Root Port mode?

Description

The Link Equalization Request bit (bit 5 of the Link Status 2 register) is set during PCIe* Gen3 link equalization. Once set, this bit cannot be cleared by software.

This problem affects the Intel® Arria® 10 and Intel® Cyclone® 10 GX Hard IP for PCIe* IP operating in Root Port mode.

Workaround/Fix

None.

This problem is not scheduled to be fixed in a future release of the Intel® Quartus® Prime software.