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What does 'Undefined Ins' mean in u-boot?

Question asked by JHY on Nov 4, 2014
Latest reply on Nov 9, 2014 by Jerry Fan

I use i.MX28, uboot and spl.


After board_init_ll (SPL) returned, before board_init_f (uboot) executed, 'Undefined Ins' is printed out in my console and system is hanging.


I can not find 'Undefined Ins' in uboot or spl source.


What is it executed between SPL and uboot.