[coreboot-gerrit] Change in coreboot[master]: mainboard: Add Lenovo ThinkPad T440p

[Iru Cai (vimacs) (Code Review)]

Iru Cai (vimacs) has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/34359 )

Change subject: mainboard: Add Lenovo ThinkPad T440p
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Patch Set 8:

(1 comment)

https://review.coreboot.org/c/coreboot/+/34359/3//COMMIT_MSG 
Commit Message:

https://review.coreboot.org/c/coreboot/+/34359/3//COMMIT_MSG@27 
PS3, Line 27: - Mainboard serial number is invalid
> No good way to fix because the at24rf08c code is built when VENDOR_LENOVO is selected, not going to  […]

I've found that the serial number is read via port 0x1630/0x1634, which is implemented in EmulatedEepromDxe in the OEM UEFI image, but I still don't know how to initialize the "emulated EEPROM" to make it work. I only know it runs after smbus from the UEFI module dependencies.