[OpenPower-Firmware] Infiniband network booting

[Daniel M Crowell]

DD2.1 support depends on your tree.  There was a space of time where it
wasn't supported but master should work.  Testing has definitely been
sparse though so caveat emptor.

--
Dan Crowell
Senior Software Engineer - Power Systems Enablement Firmware
IBM Rochester: t/l 553-2987
dcrowell at us.ibm.com



From:	Stewart Smith <stewart at flamingspork.com>
To:	"Daniel M. Weeks" <weeksd2 at rpi.edu>
Cc:	openpower-firmware at lists.ozlabs.org, petitboot at lists.ozlabs.org
Date:	04/16/2020 02:49 PM
Subject:	[EXTERNAL] Re: [OpenPower-Firmware] Infiniband network booting
Sent by:	"OpenPower-Firmware" <openpower-firmware-bounces
            +dcrowell=us.ibm.com at lists.ozlabs.org>




> 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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