[coreboot] POWER9 / Talos II coreboot support?

Timothy Pearson tpearson at raptorengineering.com
Fri Jun 8 02:59:02 CEST 2018

Hash: SHA256

For anyone wanting a more affordable development platform for POWER9,
check out the Talos II Lite:


Hopefully we're getting down to a price point where coreboot development
becomes more practical (if still a bit painful)?

Looking forward to seeing coreboot on ppc64el systems!

On 05/29/2018 03:45 PM, Timothy Pearson wrote:
> Sorry, can't add today....it's a little over 6,000 pages of new
> documentation.  Still, hardly light reading!
> On 05/29/2018 03:39 PM, Timothy Pearson wrote:
>> Register documentation was published today.  Links to the three volumes
>> (over 7000 pages of documentation!)
>> https://wiki.raptorcs.com/wiki/File:POWER9_Registers_vol1_version1.1_pub.pdf
>> https://wiki.raptorcs.com/wiki/File:POWER9_Registers_vol2_version1.2_pub.pdf
>> https://wiki.raptorcs.com/wiki/File:POWER9_Registers_vol3_version1.2_pub.pdf
>> That leaves only the PHB documentation in process at this point.  Almost
>> there....
>> On 05/12/2018 02:34 AM, Timothy Pearson wrote:
>>> On 05/03/2018 06:02 PM, ron minnich wrote:
>>>> On Thu, May 3, 2018 at 1:20 PM Timothy Pearson
>>>> <tpearson at raptorengineering.com <mailto:tpearson at raptorengineering.com>>
>>>> wrote:
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>>>>     Hash: SHA256
>>>>     I think I was being a bit pessimistic / too careful here.  We're close
>>>>     to getting the docs publicly released, but that doesn't help anyone
>>>>     wanting access right now, which is why I mentioned the other route.
>>>>     IBM's committed to getting the documentation released, they're just
>>>>     making sure that what they release is actually correct for the products
>>>>     it covers.
>>>>     It might make sense to get our "working group" together over the next
>>>>     few weeks, by which time the documentation should be available in public
>>>>     form.
>>>>     Are you interested in joining? :-)
>>>> of course, but not until those docs are freed up. 
>>> We're getting there.  First manual to be released is the processor user
>>> guide.  More to follow, including register documentation, in around a week.
>>> Users guide:
>>> https://wiki.raptorcs.com/wiki/File:POWER9_um_OpenPOWER_v20GA_09APR2018_pub.pdf
>>>> Context: I've been trying for 2 years now to get OPAL released under
>>>> dual gpl2 licensing with the current apache2 license, apache2 and gpl2
>>>> are not compatible, so we'd be in a bit of a mess should we use OPAL
>>>> code in coreboot, and it would be easiest if we were able to use some of
>>>> that code.
>>>> The first response from IBM was "why do you think you need coreboot?" I
>>>> worked through that, and there was agreement in the end it ought to
>>>> happen, said agreement reached about 2 years ago. Stuff Would Happen, I
>>>> was told. After that, silence.
>>> We've reignited this.  It's underway. :-)
>>>> This is pretty much par for the course with Power. In 1990 I spent two
>>>> years getting an agreement that would allow me to .... get more agreements. 
>>> We've plowed through this already and are at the action point.  For the
>>> most part, just let me know what you need and I'll see if we can get it
>>> published.
>>>> So close doesn't count. Once I see the kind of docs I need to see, not
>>>> requiring a clickwrap, and covering all aspects of every chip on your
>>>> board, I'm in: I'll order a board. Until then, I can't really do much.
>>> Is the NIC an issue?  There are several people working on REing the
>>> hardware with some great progress [1][2], but there's really no way to
>>> get Broadcom to ever release official documentation.  Everything else on
>>> the libre-friendly non-SAS version either has docs available or we are
>>> close to getting them published.
>>>> Thanks for your efforts on Power!
>>> No problem!  We still consider Power the best path forward for powerful
>>> libre systems at this point, getting really tired of the other vendors
>>> actively working against efforts to create open firmware (this includes
>>> SiFive at this point).
>>> Will keep you posted as we get more docs published online, but thought
>>> you and the others here might at least be interested in the users guide.
>>>> ron
>>> [1] https://wiki.raptorcs.com/wiki/BCM5719
>>> [2] IRC discussions on #talos-workstation

- -- 
Timothy Pearson
Raptor Engineering
+1 (415) 727-8645 (direct line)
+1 (512) 690-0200 (switchboard)
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