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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