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==Introduction==
NXP iMX6UL processor implements a very flexible boot process. This versatility comes at the price of a non trivial bootstrap configuration scheme. Typical system-on-module (SOM for short) adopter does not want/need to deal with such a complexity. In other words , he/she expects to manage few boot configuration issues because it is assumed that most of them are handled by "hidden" within the SOM itself. Nevertheless, there are specific applications where the system integrator needs full control of all the bootstrap configuration options, even if the design is built upon a SOM.
These two needs - ease of use and configurability - clearly push in opposite directions. During the inception of the AXELULite product, specific attention has been addressed to find a viable trade off to satisfy such requirements. This effort has led to the options that are detailed in the section [[#Options for AXELULite users|Options for AXELULite users]]. Reader can skip directly to this paragraph, however he/she is encouraged to read [[#Overview of NXP iMX6UL bootstrap process|this section]] as well, in order to get an overview of the processor's boot process.
