Re: dynamic memory detection

[Andrew Lunn <andrew at lunn dot ch>]

> May be this is the reason that redboot etc dont have this as it might
> not be a portable feature, but come to think of it, on boards where
> one can, it should be implemented ?

Its not normally a feature you need in deeply embedded systems. The
hardware is pretty fixed when you make your product. Having a DIMM
connection is not that normal since its added cost, space etc.  

Also the implementation of the algorithms is not that easy. You are
playing around with the memory controller which means you generally
cannot use the memory. So you have to implement the code in assembly
language using only the processors registers. 

The eCos architecture is flexible enough to allow this though. The
EBSA285 actually does detect the amount of RAM it has using such an
algorithm. So if this is something you really need, you have the
sources so feel free to implement it.

        Andrew