[PATCH v8 2/5] board: siemens: Add support for SIMATIC IOT2050 devices

[Jan Kiszka]

On 04.10.21 18:02, Tom Rini wrote:
> On Mon, Oct 04, 2021 at 05:54:46PM +0200, Jan Kiszka wrote:
>> On 04.10.21 01:34, Tom Rini wrote:
>>> On Sat, Sep 18, 2021 at 08:17:53AM +0200, Jan Kiszka wrote:
>>>
>>>> From: Jan Kiszka <jan.kiszka at siemens.com>
>>>>
>>>> This adds support for the IOT2050 Basic and Advanced devices. The Basic
>>>> used the dual-core AM6528 GP processor, the Advanced one the AM6548 HS
>>>> quad-core version.
>>>>
>>>> Both variants are booted via a Siemens-provided FSBL that runs on the R5
>>>> cores. Consequently, U-Boot support is targeting the A53 cores. U-Boot
>>>> SPL, ATF and TEE have to reside in SPI flash.
>>>>
>>>> Full integration into a bootable image can be found on
>>>> https://github.com/siemens/meta-iot2050
>>>>
>>>> Based on original board support by Le Jin, Gao Nian and Chao Zeng.
>>>>
>>>> Signed-off-by: Jan Kiszka <jan.kiszka at siemens.com>
>>>
>>> Applied to u-boot/next, thanks!
>>>
>>
>> Thanks for merging - it just does not boot anymore, no output after
>> TF-A. Trying to understand the differences now, already ruled out
>> arch/arm/dts/k3-am65* as source.
> 
> Have you enabled debug uart?  I found that quite helpful figuring out
> what was wrong when updating the dts files, and the correct values for
> that are in the dts files too.
> 

We do, and it stays silent so far.

Meanwhile I already updated the defconfig, in line with the changes to
the similar am65x_evm* (CONFIG_SPL_SERIAL[_SUPPORT]...), but no
break-through yet.

Jan

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