Where is u-boot.imx generated in yocto build

[knightstreet]

Hi,

I am attempting to generate the .imx images (u-boot and kernel) suitable for use with the uuu tool. The board is based in the imx6ulevk.

I bitbake the yocto setup using this:

MACHINE=imx6ulevk DISTRO=fsl-imx bitbake core-image-minimal

I want to flash to NAND so I have set the following variables up:

UBOOT_CONFIG = "nand"
UBOOT_CONFIG[nand] = "mx6ul_14x14_evk_config,nand"

This generates the u-boot-nand-2020.04-r0.bin file which is great and the relevant wic file but I also need the .imx version to use with UUU or it complains about the IVT header.

I understand that mkimage needs to be invoked but I don't know the configuration option within the image/board config to create these files. Could anybody explain the process needed to generate these files?

My endgame is to invoke uuu using the following command -

uuu -b nand u-boot.imx core-image-minimal-imx6ulevk.wic.gz

Please let me know also if this is the right uuu command set for flashing to nand.

Thank you

[Bio_TICFSL]

Hello knightstreet,

You have to be sure that the board is booting form NAND before using the uuu is involve many configuration since uboot and you have to manipulate the UUU software to complete this task.

Regards