A good sub-architecture to base new ports on?

[Alexey Zaytsev]

On Wed, May 16, 2012 at 6:57 PM, Arnd Bergmann <arnd at arndb.de> wrote:
> On Wednesday 16 May 2012, Alexey Zaytsev wrote:
>> Hey.
>>
>> With all the ARM tree rework, I'm wondering, what would be a good (and
>> simple) sub-architecture on which to base new ports. The target is a
>> somewhat dated chip used in ADSL routers, so no DT, or multiplatform.
>> I'm looking at ixp4xx, because I'm somewhat familiar with the
>> platform, but is it a good reference?
>

Thanks for the reply.

> For a new subarchitecture, using DT is required, but it should not make
> your work harder. spear3xx/6xx is a good example of an older platform
> that was recently converted (take the arm-soc tree as a base, it contains
> the latest version).

Will do. Thanks for the arm-soc pointer.

> Another good one would be highbank, but that contains a lot of stuff you
> don't need.
>
> ixp4xx is not very actively maintained, so I would not use that as
> a base.
>
> What platform are you talking about? I know of a few people that are
> working on getting older platforms ported to Linux, so maybe someone
> is already working on a port.

It's a 'Solos' soc from Connexant. They released kernel code for
2.6.11, and I'm up-porting it to the current kernel. I know at least
two other people interested in the port, adding them to CC. If you
know anyone else, it would be great to share the effort.