u-boot branches

Dan Zhang dz4list at gmail.com
Mon Oct 5 06:00:07 AEDT 2020

We have two options to pick up changes from Aspeed and upstream.
1. Be closer to Aspeed temporary:
 Rebase OpenBMC u-boot changes to aspeed-master-v2019.04, with CIT ( daily
or at least weekly). After the aspeed-master-v2019.04 activity slowed down,
which means the u-boot for AST2600 from Aspeed SDK is getting stable, we
start the effort to upstream the changes.

2. Be closer to upstream:
OpenBMC takes yocto u-boot branch, submit to OpenBMC u-boot branch,
will target upstream immediately.

option-1: get changes from Aspeed is easy, but in this case we need some
important feature / patch from upstream, we need back ports.

option-2: get changes from Aspeed will need more effort than just a simple
cherry pick.

Considering Aspeed is still developing both the AST2600 chip and SDK, I
would like to vote for option-1, as now, there will be much more changes
needed from Aspeed instead of from upstream.

Dan Zhang

> ---------- Forwarded message ----------
> From: Michael Richardson <mcr at sandelman.ca>
> To: Joel Stanley <joel at jms.id.au>, OpenBMC Maillist <
> openbmc at lists.ozlabs.org>, Eddie James <eajames at linux.ibm.com>
> Cc:
> Bcc:
> Date: Thu, 24 Sep 2020 14:02:29 -0400
> Subject: Re: u-boot branches
> Joel Stanley <joel at jms.id.au> wrote:
>     > I've chosen to rebase the openbmc changes on top of their branch. The
>     > old branch is still accessible at archive/v2019.04-aspeed-openbmc-1.
>     > The bitbake recipe will continue to work as it uses the nobranch=1
>     > flag, and specifies the version based on the SHA.
>     > The new branch contains their aspeed-master-v2019.04 tree as of
> today,
>     > with the OpenBMC changes applied on top.
> Is this any closer to upstream u-boot?
> Or is it diverging further?
> --
> ]               Never tell me the odds!                 | ipv6 mesh
> networks [
> ]   Michael Richardson, Sandelman Software Works        |    IoT
> architect   [
> ]     mcr at sandelman.ca  http://www.sandelman.ca/        |   ruby on
> rails    [
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