Dear Tim,
Am Montag, den 06.04.2015, 12:55 -0400 schrieb Tim Vrakas:
Hello! This is my first time doing anything with coreboot, so please forgive my newbie mistakes.
welcome to coreboot!
I am working to add support for my motherboard (Asus Q87T) to coreboot. Here are the basic specs:
-Haswell CPU (Supported) -Intel Q87 (C220) PCH (Supported) -NUVOTON NCT5538D Super-IO (NOT Supported)
I had to send the board back for a warranty replacement (not coreboot related), so I have not done any dumps from software. I was not able to get access to a datasheet for the Super-IO.
How should I proceed? Does anyone have any information about this chip (or a similar one)?
To my knowledge, Nuvoton will send you the datasheet for your Super I/O chip if you contact them. Please try that first.
Can I get basic functionality without the Super-IO?
It depends. Normally, a similar chip is taken which is often compatible for at least serial console output.
Can I reverse-engineer support for it?
Sure you can. But that is probably quiet hard compared to requesting the datasheet. You can analyze the vendor firmware and find out how the Super I/O is initialized.
Another way is to look if the support for your Super I/O exists in the Linux kernel sources (lmsensors) to find out more about it.
Good luck with implementing support for your device!
Thanks,
Paul
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