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

[Georg Schardt]

Hello,

yes, we have still some fx12mm  in use and i can try to compile and run
the newest u-boot in the next few days.

regards
Georg

Am 12.05.2015 um 16:19 schrieb Ricardo Ribalda Delgado:
> Hello
>
> I have followed doc/README.generic-board  and simply adding
> CONFIG_SYS_GENERIC_BOARD does the trick.
>
> So far it has build with no warnings for:
>
> ml507
> ml507_flash
> xilinx-ppc440-generic
> v5fx30teval
>
> and I have run it on the ml507 with no issues (is the only hw I have
> with me this week, but it is VERY similar to the others):
>
>
> Simply adding  CONFIG_SYS_GENERIC_BOARD to the .h file works perfectly
> As you can see from here:
>
>
> U-Boot 2015.07-rc1-00091-g698a12bef9e7-dirty (May 12 2015 - 10:14:15)
>
> CPU:   IBM PowerPC 440x5 VIRTEX5 at 400 MHz (PLB=100 OPB=8 EBC=67)
>        32 KiB I-Cache 32 KiB D-Cache
> DRAM:  256 MiB
> Flash: 32 MiB
> *** Warning - bad CRC, using default environment
>
> U-Boot is up and runnining
> ml507:/#
>
>
> Regarding xilinx-ppc404 and fx12mm
>
> It also builds ok, but I have no access to an fx12mm. Perhaps Georg
> can give it a try to confirm that this still works.
>
>
> Is there any other test that needs to be done after "porting" them to
> generic board?
>
>
> Thanks
>
> On Mon, May 11, 2015 at 3:45 PM, Michal Simek <michal.simek at xilinx.com> wrote:
>> 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
>
>