[U-Boot] [PATCH] ppc: xilinx: Remove ancient ppc405 and ppc440 platform

[Michal Simek]

Hi,

On 05/11/2015 09:34 AM, Ricardo Ribalda Delgado wrote:
> Hello Michal
> 
> Thanks for your reply
> 
> On Mon, May 11, 2015 at 9:11 AM, Michal Simek <michal.simek at xilinx.com> wrote:
>> Hi,
>>
>> On 05/09/2015 06:24 PM, Ricardo Ribalda Delgado wrote:
>>> Hello Michal and Stefan
>>>
>>> Could you provide some context about why are we removing this? Virtex
>>> 5 (and V4) are not yet in their end of life.
>>
>> I was checking this internally and ppc is not supported by tools for
>> several releases (roughly ~2 years). All support from tools was already
>> removed.
> 
> Virtex5 is only supported by ise/edk, not vivado. This is why the
> tools from the last two years does not support ppc.

It is also about SDK where that support was removed.

> I think that the position from xilinx was to support ise for as long
> as v5, s6... was on sale.
> 
> http://forums.xilinx.com/t5/Implementation/VIrtex-5-and-Vivado-HSL/td-p/250930

One thing was support design tools and the next was to support the
latest SW.
Anyway this is Virtex5 - ppc440. Any intention to keep ppc405 alive?


>> There is no testing on it done for a long time that's why this platform
>> is obsolete from my point of view.
> 
> We still use it actively on the fpga family of our productsm and cisco
> uses quite a lot of virtex5 :)
> 
> Also avnet virtex5 boards are still available
> 
> http://avnetexpress.avnet.com/store/em/EMController?action=products&catalogId=500201&storeId=500201&N=0&langId=-1&slnk=b&term=AES-XLX-V5LX-EVL110-G&hrf=http%3A%2F%2Fwww.em.avnet.com%2Fen-us%2Fdesign%2Fdrc%2FPages%2FXilinx-Virtex-5-LX-Evaluation-Kit.aspx&intcmp=EMA-BUY-AES-XLX-V5LX-EVL110-G

ok. I really have no problem to let you support these boards. :-)

>>
>>> The plan is to re-factor the code for this platform or just drop all
>>> the support?
>>
>> Platform needs to be moved to generic board support and none from xilinx
>> will do it. If you want to invest your time and support these boards
>> feel free to do it but from my perspective we should just remove it
>> because it is just old and make no sense to waste our time on it.
> 
> Give me a couple of days and I will be able to answer to that question.
> 
> If the patch can wait a bit before it is merged it will be great.

Definitely it can wait but it has to be moved and test for generic board
support.

>>
>>> There are also yocto layers that support ml507 and ml405
>>> http://git.yoctoproject.org/cgit/cgit.cgi/meta-xilinx-community/tree/conf/machine
>>
>> I am not yocto guy but from cgit it looks like that it is pretty old
>> too. ppc support 4 years ago, ml507 2 years ago.
> 
> Last change for virtex5 is from 2014.

:-) really just make no sense for me to keep these things alive because
we are not testing it at all.

Thanks,
Michal