How to power on Intel x86 based CPUs

[Nancy Yuen]

Patrick Venture uses the q71l and may be able to answer #2.  I suspect it
was removed simply b/c the system we were using it on didn't use it.

----------
Nancy

On Fri, Apr 13, 2018 at 2:43 AM, Brad Chou <chou.brad at gmail.com> wrote:

> Hi,
> Actually I am using the meta-s2600wf as my TEMPLATECONF.
> Now switch to Q71L but found some problems :
>
> 1. I can not send the same REST command to power up the host. It seems the
> xyz/openbmc_project/state/host0/attr/RequestedHostTransition
> is gone. I even can’t see any attributes related to
> xyz/openbmc_project/state.
>
> 2. I found in quanta-q71l.conf, it remove the obmc-host-state-mgmt, this
> may be needed when using REST to power on host. Why q71L remove it ?  Is it
> because of not compatible with x86 system ?
>
> 3. Suppose the REST is not used by Q71L, how can I power it up from LAN ?
>
> Thanks.
>
>
> On Apr 10, 2018, at 21:36, Andrew Jeffery <andrew at aj.id.au> wrote:
>
> Hi Brad,
>
> On Tue, 10 Apr 2018, at 19:35, Brad Chou wrote:
>
> Hi,
> I am going to power on my OEM server board with two Intel x86 CPUs. The
> BMC chip is ASPEED 2500.
>
> By the Intel data sheets, I just need to control a power on GPIO to
> emulate power button behavior.
> The problems are, when I send Host State Control commands as mentioned
> in docs/host-management.md, the journal log shows a lot of systemctl
> errors.
>
> Looks like it is going to start the OpenPower related host control
> services, which only applies to PowerPC system.
> I try to modify GPIO_CONFIGS appears in skeleton recipe to match my
> board, but I still got some other errors says pflash stuffs.
>
>
> It sounds like you're building an OpenPOWER-based BMC image - this is
> controlled by how you set the TEMPLATECONF environment variable when
> sourcing the `openbmc-env` file to build (at a guess I'd say you're
> building for Palmetto, as it's used throughout the examples in the docs
> repo).
>
> We do have support for a couple of x86 machines in the tree - your best
> bet is probably the Quanta 71L machine maintained by Patrick Venture:
>
> https://github.com/openbmc/openbmc/tree/master/meta-
> openbmc-machines/meta-x86/meta-quanta/meta-q71l
>
> As an aside, if you're experimenting and switching between target
> machines, it's probably a good idea to blow away your build/conf directory
> to make sure things get set up correctly when you next set TEMPLATECONF and
> source openbmc-env.
>
>
> Because there is no documents to tell me how to customize the openbmc to
> fit on x86 CPUs, so I am not sure the GPIO_CONFIGS in skeleton is the
> right way or not.
>
>
> Yeah, there's not a wealth of documentation on bringing up a new machine.
> It would be great if you could document your experience once you get there
> :)
>
> Hope that helps in some way,
>
> Andrew
>
>
>
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