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Building u-boot-imx for NAND flash imx6ullevk

Question asked by Nichol Draper on Oct 9, 2018
Latest reply on Oct 31, 2018 by Nichol Draper

I have a board based on the mx6ullevk with the nand flash in place of the spi.  I have the nand image which can be downloaded with the mfgtool.  When I download that image it works.  I've changed the imx6ull14x14evk.conf to be nand for the UBOOT_CONFIG and I've built the u-boot-imx recipe using bitbake u-boot-imx.  A u-boot image is created, and works from the serial shell.  But when I use the mfgtool to program the board I get an error loading the rootfs.  When I go back to the original u-boot image the rootfs loads correctly. 

Obviously I've not made all the changes necessary to build the nand flash version of u-boot.  What are the other changes I need to make?  I've found links to how to build for the nand flash, but all the information is old and predates the current included support.