[coreboot] OpenBMC & KGPE-D16

Timothy Pearson tpearson at raptorengineering.com
Thu Feb 22 22:36:42 CET 2018


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



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