What is the difference between boot and uboot in Linux?

Boot is a generic term that indicates the process of initiating and so on.
Uboot is a proper noun, which means a software called Uboot.

Ask

I now have a project is like this, first burn boot.bin, and then burn write Uboot.bin, this is how Ah, introduced two boot program, do not know why?

Chase Answer

That's your board. There is also a boot code before uboot. This code should be hardware-related.
But I remember most of these boards should be cured directly this part of the code is not allowed to rewrite. Of course, the benefits of non-curing can be modified, the price is if this part of the bad, it may be on a dedicated brush writing machine.

What is the difference between boot and uboot in Linux?