How to ARM Linux

During last few years I've never found a good excessive topic covering most of the areas to get Linux runnnig from scratch. I remember myself doing a lot of investigation about correct building of a crosscompiler, studying bootloader internals, and so on... I'm definitely sure - if I had a person that could point me in right direction, then all the development should finish much earlier.

Consider this article as my personal note and feel free using it your own way.