So, i want to buy hi-link 7621, and i readed about some problems, and this problem is wrong uboot where only one core working. So i want to ask where i can find needed information for compiling uboot for this board, like ddr clocks and do i need nand uboot or not.

You can use this pre-compiled u-boot image: [image] HiLink HLK-7621A evaluation board only 2 vcpus und stack trace in bootlog For Developers I suppose the repo you mentioned has the file you need:

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[Solved]Hi-link 7621 uboot compile

Hardware Questions and Recommendations

AndrewZ December 3, 2023, 11:15am 2

You can use this pre-compiled u-boot image: