New subject: POWER9 / Talos II coreboot support?

June 12, 2018

      As of late last week:

W have the processor user guide, full register documentation, and a
smattering of other resources released publicly [1].  The PHB
documentation is still in process and still moving forward, along with
the electrical datasheet.

If you are interested in documentation that isn't already available and
isn't on the to-do list, please let me know.  My understanding is that
the list above should be pretty much everything needed for firmware work.

[1] https://wiki.raptorcs.com/wiki/Category:Documentation

On 06/07/2018 08:05 PM, ron minnich wrote:
...
where are we on the docs at this point
On Thu, Jun 7, 2018 at 5:59 PM Timothy Pearson
<tpearson@raptorengineering.com <mailto:tpearson@raptorengineering.com>>
wrote:
For anyone wanting a more affordable development platform for POWER9,
check out the Talos II Lite:
https://raptorcs.com/TALOSIILITE/
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@raptorengineering.com
<mailto:tpearson@raptorengineering.com>
<mailto:tpearson@raptorengineering.com
<mailto:tpearson@raptorengineering.com>>>
wrote:
...
...
...
...
-----BEGIN PGP SIGNED MESSAGE-----
    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....
...
...
...
...
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)
https://www.raptorengineering.com

Re: [coreboot] POWER9 / Talos II coreboot support?

Timothy Pearson

Timothy Pearson

Mike Banon

tags

participants (2)