[OpenPower-Firmware] Infiniband network booting

[Timothy Pearson]

At least as of ~6 months ago the DD2.1 processors were still good to go with newer hostboot / HCODE versions.

----- Original Message -----
> From: "stewart" <stewart at flamingspork.com>
> To: "Daniel M. Weeks" <weeksd2 at rpi.edu>
> Cc: openpower-firmware at lists.ozlabs.org, "petitboot" <petitboot at lists.ozlabs.org>
> Sent: Thursday, April 16, 2020 2:49:03 PM
> Subject: Re: [OpenPower-Firmware] Infiniband network booting

>> On 16 Apr 2020, at 10:23, Daniel M. Weeks <weeksd2 at rpi.edu> wrote:
>> 
>> On 4/16/20 1:18 PM, Stewart Smith wrote:
>>> 
>>>>> On 16 Apr 2020, at 09:52, Daniel M. Weeks <weeksd2 at rpi.edu> wrote:
>>>> 
>>>> 
>>>> Second, although I would like to, I have no good to way to test forward
>>>> porting these changes to recent branches until the there is a recent
>>>> firmware build supporting the hardware I have available.
>>> 
>>> Current op-build master probably does work on your hardware still. What hardware
>>> is it?
>>> 
>>> I *think* it’s only P7 we ever ripped support out.
>>> 
>> 
>> We have DD2.1 processors in the P9 systems. My current understanding is
>> newer branches do not support (or have not been tested to support) those
>> processors.
> 
> For some bits of firmware, that’s possibly true (I can’t actually recall, maybe
> some Hostboot people can chime in)
> 
> The BOOTKERNEL parts (the kernel and the petitboot userspace) should certainly
> still work, so you can build and then Just flash that one part of firmware.
> 
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