Re: [Buildroot] [PATCH 1/1] configs/rzboard_v2L_defconfig: new defconfig

[Thomas Petazzoni via buildroot <buildroot@buildroot.org>]

Hello Kilian,

On Thu, 08 Feb 2024 00:22:21 +0100
kilian.zinnecker@mail.de wrote:

> Yes, I agree and would prefer a bootable image, containing a uboot built by 
> buildroot as part of the boot chain, too. I therefore tried to run uboot from 
> SD card at first (using the information from the hardware manual you refered 
> to), but I was not successful. Hence I asked the author of a hackster.io 
> article about the RZBoard V2L boot [1], whether he could help me. He told me, 
> that he asked the Avnet BSP team, and "they confirmed there is no official 
> support for storing bootloader files on micro sd". This matches his article, 
> listing only eMMC and QSPI as possible locations for the bootloader.
> 
> However, maybe this information is incomplete and there is in fact a way to 
> run uboot from SD card, which I just was not able to get working. I can try to 
> reach out to the Avnet support myself. And even if there is no way to do that, 
> I can try to adjust the board support to build uboot, figure out how to flash 
> uboot to the eMMC and document that in the readme. May take me some time 
> though at the moment. 

Thanks for the additional details. Indeed in this case, the best option
would be to have our defconfig build a uboot that works on QSPI, or
eMMC, and provide the instructions on how to reflash the QSPI or eMMC.

Thanks a lot!

Thomas
-- 
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
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