[coreboot] OpenBMC & KGPE-D16

Thierry Laurion thierry.laurion at gmail.com
Fri Feb 23 06:26:13 CET 2018


Actually if others of you want to contribute, there is this heads kgpe-d16
port that permits to flash directly from the heads coreboot payload with
Timothy's patches on the flashrom tools. You may want to take a look here :
https://github.com/flammit/heads/pull/9#issuecomment-362022411

Le jeu. 22 févr. 2018 16:37, Timothy Pearson <tpearson at raptorengineering.com>
a écrit :

> Actually, for OpenBMC work, hotplugging is often the only way to go.
> Just be very careful to align the pins correctly the first time; you
> don't have a second chance if you misalign the pins and fry the module...
>
> On 02/22/2018 03:22 PM, Taiidan at gmx.com wrote:
> > On 02/17/2018 09:46 AM, Elisenda Cuadros wrote:
> >
> >> Hi,
> >>
> >> Now I trying to use your OpenBMC port.
> >>
> >> I followed the instructions and everything was fine (compiling,
> >> reading and flashing). I waited several minutes after flashing, but
> >> the module didn 't blinked like in the vendor rom, nor did it receive
> >> an ip.
> >>
> >> I halted the system because I thought maybe it needs a cold start.
> >>
> >> After this, the system doesn't boot with the module plugged in. The
> >> fans begin to spin for approximately 1/4 second, but nothing else.
> >>
> >> My two fans (1 cpu & 1 chassis) have 3 pins and are low speed (~1000rpm)
> >>
> >> In the case I have to reflash the module, is it possible to hotplug it?
> > Hotplugging is dangerous and not supported, don't do it.
> >> Thank you very much for your support.
> > You can use a test clip to externally flash it via a flashing device
> > (not sure which can do 16 pins though, I would inquire on the flashrom
> > mailinglist)
> >
> > Are you using the latest coreboot? AFAIK coreboot was patched to support
> > OpenBMC, so you need a new version with the patches.
>
>
> --
> Timothy Pearson
> Raptor Engineering
> +1 (415) 727-8645 (direct line)
> +1 (512) 690-0200 (switchboard)
> https://www.raptorengineering.com
>
> --
> coreboot mailing list: coreboot at coreboot.org
> https://mail.coreboot.org/mailman/listinfo/coreboot
>
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