u-boot : Relocation

Question

This one is a basic question related to u-boot.

Why does the u-boot code relocate itself ?

Ok, it makes sense if u-boot is executing from NOR-flash or boot ROM s

Answer 1

The code of NOR flash must initialize the SDRAM, Then the copy code from Nor Flash to SDRAM, The process will copy itself, because you could enable MMU, we will start Virtual address mapping.