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Hi,
I am interested in monitoring errors on the OPI bus between TGL and the PCH on the 1186-GRE.
Is there a dedicated register to monitor this internal bus?
Thanks
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Hello hamedghorbani,
Thank you for posting in our Intel Community!
I see that your query pertains to the Intel® Core™ i7-1186GRE Processor. To ensure you receive the most informed and specialized support, I will be transferring this discussion to our Embedded Products forum.
Best regards,
Norman S.
Intel Customer Support Engineer
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Hello @hamedghorbani,
Thank you for contacting Intel Embedded Community.
You may try checking the EDS Vol2 from the PCH, document #575857:
34.1.12 Root Error Command (REC)—Offset 20ACh
And for Tiger Lake U, EDS Vol2, document #575681.
3.1.4 PCI Command (PCICMD_0_0_0_PCI) — Offset 4h
3.1.41 Capabilities B (CAPID0_B_0_0_0_PCI) — Offset E8h
3.3.17 System Agent Performance Status
(SA_PERF_STATUS_0_0_0_MCHBAR_PCU) — Offset 5918h
Best regards,
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