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ls1021a NAND boot

Question asked by shunping lin on Nov 7, 2017

Now, We have a custom ls1021a board which has a nand flash, and we need to boot from nand flash. The uboot,linux kernel,rootfs place on this nand flash. After uboot running, it must load kernel and rootfs from nand. so I think that we must enable "NAND CMD" and "MTD" driver when we compile the uboot. 


I see the ls1021aqds_nand_defconfig file which not enable the up options. I confuse that. if not enable, how does uboot read kernel and rootfs?