[coreboot] OpenBMC & KGPE-D16

[Elisenda Cuadros]

For me it's a pleasure using it.

It is like magic to my eyes to see a Linux prompt in this tiny module.

Thank you!


On 24/02/18 00:09, Timothy Pearson wrote:
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> No worries.  I'm glad you were able to get the BMC running; it's great
> to see more users of this technology!
>
> On 02/23/2018 05:09 PM, Elisenda Cuadros wrote:
>> Sorry, I need to read better.
>>
>> Thank you.
>>
>> I am going to try the patches now.
>>
>> Regards,
>>
>> - Eli
>>
>>
>> On 24/02/18 00:01, Timothy Pearson wrote:
>> You need these patches:
>>
>> https://review.coreboot.org/#/c/19822/
>>
>> This one in particular:
>>
>> https://review.coreboot.org/#/c/coreboot/+/19820/
>>
>> This is noted on the Raptor status page:
>>
>> https://www.raptorengineering.com/coreboot/kgpe-d16-bmc-port-status.php
>>
>> See the link to "Initial coreboot patches".
>>
>> If anyone wants to take over upstreaming of the patches in that list
>> they are welcome to do so!
>>
>> On 02/23/2018 04:38 PM, Elisenda Cuadros wrote:
>>>>> Hello,
>>>>>
>>>>> Thank you for your reply.
>>>>>
>>>>> I reflashed (same build) the BMC module with a hotplug. Now it works
>>>>> like a charm, it got an ip, I can log through ssh, reboot, etc..
>>>>>
>>>>> But now I have a new problem. If I try to boot from a halted system,
>>>>> with BMC module attached, the system fires up but Coreboot hangs:
>>>>>
>>>>> Unable to detect valid memory on any nodes.  Halting!
>>>>> mct_d: fatalexit
>>>>>
>>>>> If I remove the BMC module the system boots fine.
>>>>>
>>>>> I have 4 Micron MT18JSF25672PDZ-1G4F1DD modules, located in CPU1 orange
>>>>> slots.
>>>>>
>>>>> I attach both console logs.
>>>>>
>>>>> Regards,
>>>>>
>>>>> - Eli
>>>>>
>>>>>
>>>>>
>>>>> On 22/02/18 22:36, Timothy Pearson wrote:
>>>>>> 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
> - -- 
> Timothy Pearson
> Raptor Engineering
> +1 (415) 727-8645 (direct line)
> +1 (512) 690-0200 (switchboard)
> https://www.raptorengineering.com
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