James Ye has posted comments on this change. ( https://review.coreboot.org/20694 )
Change subject: mainboard/lenovo: add new port ThinkPad X131e (Intel) ......................................................................
Patch Set 1:
On the two boards I have (and most likely many others), the 4MB flash cannot be reliably accessed either internally or externally. I believe this is a hardware bug.
In order to run coreboot, I used me_cleaner to free up space on the 8MB flash, and modified the IFD to move the BIOS region into it.
There are reports on the internet of the 4MB flash being accessible. I have left the ROM size at 12MB, which is what the hardware is.
I am unsure how compatible the board config is with IvyBridge processors. There is also an AMD variant of the X131e.
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James Ye (Code Review)