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[Dagger2/NetApp]How to modify register value of the Ice lake-D LCC SOC smbus

FoxconnDiag
Beginner
390 Views

1. End Customer:NetApp 
2. Project Name:Dagger2
3. Application: Storage
4. Platform:Ice Lake D LCC SoC Product
5. Project Status: EVT
6. Contact Person: Jason Hung
7. Contact Phone: (removed)

8. Contact Mail: (removed)

==========================================

I implement driver(like i2c-imc.c which can be find from internet) to access SMB of the IMC for diagnostic test in factory.

The driver need access SMB register but I can not write data to SMB register, this register seem limit access authority to OS for read only(Please refer the attached file).

How to write data to SMB_CMD_CFG register? From data sheet description, the SMM mode can be accrss it sith read/write.

How to into SMM mode from OS mode?

Thanks

Jason

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FoxconnDiag
Beginner
388 Views

Sorry forgot attached file

upload it

AndrewG_Intel
Moderator
375 Views

Hello @FoxconnDiag

Thank you for posting on the Intel® communities.

We are currently checking this inquiry; please allow us more time to look into it and we will be updating this thread as soon as we have more details available.


Note:

In order to protect your privacy, we have removed some of the personal/contact information from your original post.


Best regards,

Andrew G.

Intel Customer Support Technician


AndrewG_Intel
Moderator
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Hello @FoxconnDiag

Thank you for your patience in this matter.


After checking this further, it is worth mentioning that your Design inquiry will require a closer look by an Intel Field Application Engineer (FAE). Or you can also use Intel® Premier Support (IPS).

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Having said that, we will proceed to close this inquiry now.

Best regards,

Andrew G.

Intel Customer Support Technician


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