Martin Butt wrote:
> Do you know if Coreboot would work on either of these systems?
..
> Both the 3290 and the 3030 CPUs are a Intel Celeron N2807 1.58GHz

That's the CPU marketing name which in firmware like coreboot doesn't
mean much. What matters is that this is a Bay Trail platform.


> From a visual inspection, the only difference between the boards of the two
> models is that the BIOS chip is different. The 3029 is a Winbond 25Q64FVSIG
> (or a 25Q64FWSIG, the chip is hard to read). The 3030 is a Macronix
> MX25U6435F.

The 25Q64 chip is unproblematic. flashrom mentiones an OTP region in
the MX chip, I would investigate if and how that is being used, if
the OTP lies within the 8 Mbyte then that could be a problem and
you'd have to replace the chip by soldering.

(If you need to replace a chip: cut its pins flush with the black
package so that you can first remove the package and then use a
soldering iron to remove one pin at a time. Clean the pads with
solder wick and then solder a new chip in.)

> flashrom v1.2 on Linux 5.13.0-30-generic (x86_64)
..
> Found chipset "Intel Bay Trail" with PCI ID 8086:0f1c.

I know that coreboot *has* had *some* support for Bay Trail, IIRC
the minnowmax board, IIRC that was the very first attempt at using
Intel's FSP blob in coreboot and I think it did work but it wasn't
a great success. You'd have to investigate.


Kind regards

//Peter
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