perhaps asking it on https://github.com/linux4sam/u-boot-at91 via
github issues might be helpful too.

On Sat, Nov 21, 2020 at 4:26 AM David Novak <david.novak@...> wrote:
>
> I'm working on this project with Pratham. Let me provide a few more details.
>
> We've defined
>
> UBOOT_MACHINE ?= "sama5d3_xplained_nandflash_config"
>
> Inside
>
> u-boot-at91/sama5d3_xplained_nandflash_config
>
> we change CONFIG_BOOTDELAY, but it has no effect on the newly built image. The boot delay remains the same as it was before we changed it.
>
> Based on the UBOOT_MACHINE, can we be certain we are changing the correct file?
>
> How do we get the build process to include our changes?
>
> Thanks,
> David
>
>
>
> On 11/19/2020 5:37 PM, Prathamesh Ovalekar wrote:
>
> Hello everyone,
>
> System: sama5d3_xplained board
>
> I have a question regarding the configuration and build of u-boot.
> We have a build that was implemented earlier. I am trying to make some changes to it.
>
> Change 1: Change the auto boot delay to 1 second.
> Change 2: Add an auto boot command to set a gpio.
>
> I am aware of the environment variables:  CONFIG_BOOTDELAY and CONFIG_BOOTCOMMAND (needed for the changes above.)
> I tried modifying the  " configs/sama5d3_xplained_nandflash_defconfig "
>
> Question 1: Do I need to create an *.config file using the make menuconfig?
>
> Question 2: How do I create the u-boot.bin . Does this  depend on the Linux build?
>                     I know that there is an environment variable: CONFIG_BOOTARGS that needs to be populated.
>
> --
> Pratham Ovalekar
>
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