Hi Keith, Appreciate the undertaking. I have a Z77 Sabertooth which will be replaced with a different system in the near future, so I would be willing to test with a precompiled ROM. If the ROM would be publically available at one point on Github or Gitlab where issues can be reported conveniently similarly to what the Dasharo/3mdeb guys do that would be wonderful. Also for the sake of being able to recover easily (without an RTE or CH341A) from a no-POST situation I'd like to have the USB BIOS FlashBack feature implemented *first* before doing any test. Michał Żygowski has reverse-engineered this for the MSI Z690 boards (USB FlashBIOS) and it's working great. I'm not an expert here, but I would assume that there are possibly similarities in how this works across vendors? -- Network Security Analyst Technology Department <http://comicsanscriminal.com> <http://comicsanscriminal.com> Buncombe County Schools ComicSans Awareness Campaign <https://comicsanscriminal.com>
On Fri, Dec 20, 2024 at 1:46 PM Keith Hui <buu...@gmail.com> wrote: > Hello, > > I recently got my hands on boardviews of many Asus P8x7x series > mainboards, and some offshoots such as Z77-A and Sabertooth Z77, and > have also found a way to extract VBT data and the USB port config out > of the vendor firmware image (which isn't really a straight image, but > what looks like an update capsule), allowing me to attempt something > quite ambitious given I only have the P8Z77-M on hand: Bring coreboot > to the entire family. > > Again because I only have the vendor firmware image and boardview to > go by, I will only be able to put out an untested new board patch, > hence I am calling for anyone with these boards, that aren't already > in the tree, to help me test them, and to get things I can't get out > of firmware image, such as HDA verbs and GPIO setup, by running > autoport on your board. > > Additionally, if you have a P8Z77-V (Hello Bill!), please test this patch: > https://review.coreboot.org/c/coreboot/+/85413 > And if you have a P8Z77-M PRO, please test your serial port, and if > changing > it to use serial port A like P8Z77-M does, make the serial port work. > > Now, during my survey of the board family, I found that: > 1. They link their power LEDs to only one of two GPIOs on the PCH: 8 > or 27. That's easily determined from the boardview. > 2. Except for P8C WS which I can't get a boardview for, this family > only uses one of two Nuvoton super I/Os: NCT5535D or NCT6779D. 6779 is > well known, but I cannot find the datasheet for 5535, and the pinout > for the closest thing I can find, NCT5532D, have the pins shifted by > approximately 3 pins, and there may be more differences. > > Does anyone know anything about NCT5535D or can hook me up with a > datasheet? > > Thanks > Keith > _______________________________________________ > coreboot mailing list -- coreboot@coreboot.org > To unsubscribe send an email to coreboot-le...@coreboot.org >
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