[EXTERNAL] Re: [PATCH v2 5/7] arm: dts: k3-am69: ddr: Update to v0.12.0 of DDR config tool
Kumar, Udit
u-kumar1 at ti.com
Tue Jun 9 06:25:05 CEST 2026
Hi Tom,
On 5/21/2026 11:56 AM, Francesco Dolcini wrote:
> On Wed, May 20, 2026 at 09:52:09PM +0000, Scholz, Kevin wrote:
>> Francesco,
>>
>> My understanding is that the Aquila board was previously having
>> intermittent boot failures, hence the comparison of the TI EVM
>> register values vs. the Aquila board register values. My understanding
>> is that since then, two unrelated issues were identified resulting in
>> the observed behavior, and both have been resolved.
>
> My question has nothing to do with Aquila, I think I was not clear.
>
>> However in general, more than one IO setting can be adequate for a
>> given design, and it is also acceptable to have different IO settings
>> for different board designs and/or for different DDRSS on the same
>> board.
>
> Again, nothing on my question relates to this. My question was
>
>>> specific configuration for AM69A SK board in which only dram3 has ODT
>>> enabled, and dram, dram1 and dram2 not. Is the layout/schematics of
>>> DRAM3 different from the others? Why?
>
> Why do dram3 is different from dram, dram1 and dram2 on AM69-SK ? Such a
> difference implies that the layout is different, or something else. I am
> interested in understand what's the reason.
>
> The question is because I want to understand better the TI design.
>
> On Thu, May 21, 2026 at 11:17:10AM +0530, Neha Malcom Francis wrote:
>> On 2026-05-20 21:52:09+00:00, Scholz, Kevin wrote:
>> Francesco, hope this justification on the IO settings are satisfactory.
>
> There is no answer to my question.
>
>> Tom, could we pick up this series in that case?
>
> From my point of view you can merge the series. It was like that even
> before, I just abused this thread to gather more understanding on the
> topic. I see no reason to hold this patch because of this.
>
Could you pull in this series,
Thanks
> Francesco
>
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