[U-Boot] [PATCH v2 00/10] splash screen on the stm32f769 disco board

Vikas Manocha vikas.manocha at st.com
Mon Mar 12 23:12:56 UTC 2018


Thanks Patrice,

On 03/12/2018 10:09 AM, Patrice CHOTARD wrote:
> Hi Vikas
> 
> On 03/06/2018 08:44 PM, Vikas Manocha wrote:
>> Hi Patrice/Yannick,
>>
>> On 03/05/2018 11:50 PM, Patrice CHOTARD wrote:
>>>> There seems to be a dependency on patch for include/dt-bindings/mfd/stm32f7-rcc.h
>>>> adding some new macros. Is it also submitted to the list?
>>> Right, needed patches are already on the list
>>> http://patchwork.ozlabs.org/patch/870938/
>>
>> Great addition !
>>
>> Few points:
>> it seems above mentioned patchset also has dependency on another patchset http://patchwork.ozlabs.org/patch/870283/
>> After applying these two dependency patchsets, it creates conflicts with pathch "ARM: dts: stm32: Add timer support for STM32F7".
>> I understand you want to get it reviewed without waiting for other patchset acceptance, it would be good to mention all the dependencies.
>>
>> Also i observe that without applying f769 display patches, f746 display didn't work.
>> And F769 board display is not working, i see one error log:
>>
>> Board 1:
>> stm32_ltdc_probe: decode display timing error -4
>> & Board 2:
>> stm32_ltdc_probe: decode display timing error -668998023
>>
>> Cheers,
>> Vikas
>>
>>>
>>> Patrice
>>>
> 
> 
> We got a look at this issue with Yannick.
> 
> On my side, i got this problem because i used the 
> stm32f746-disco_defconfig by updating CONFIG_DEFAULT_DEVICE_TREE with 
> the following update, (and i suppose you do the same ;-) ):
> 
> CONFIG_DEFAULT_DEVICE_TREE="stm32f769-disco"
> 
> By using the stm32f769-disco_defconfig, everything is working fine.
> That's why Yannick added a dedicated defconfig file for STM32F769.

oh, i was also passing DEVICE_TREE during compilation.
With the stm32f769 config, it still stops after DRAM size.

"
U-Boot SPL 2018.03-rc4-00055-g0d3c012-dirty (Mar 12 2018 - 11:31:20 -0700)
Trying to boot from XIP

U-Boot 2018.03-rc4-00055-g0d3c012-dirty (Mar 12 2018 - 11:31:20 -0700)

Model: STMicroelectronics STM32F769-DISCO board
DRAM:  16 MiB

"

But I don't want to hold on for the series.

Acked-by: Vikas Manocha <vikas.manocha at st.com>

Cheers,
Vikas

> 
> Patrice
> 


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