In my Linux embeded device I have 4  SDRAM modules.( Each module is of
16 bit data bus and 13 bit address bus )
I need to find out how they are addressed

if it is like this :

1st address in module 1
2nd address in module 1
3rd address in module 1
4th address in module 1
5th address in module 1
6th address in module 1
7th address in module 1
8th address in module 1
....
....
the last but one  address in module 4
the last  address in module 4


or
1st address in module 1
2nd address in module 2
3rd address in module 3
4th address in module 4
5th address in module 1
6th address in module 2
7th address in module 3
8th address in module 4
...
...
the last but one  address in module 3
the last  address in module 4

Is it possible?
( Via JTAG I can "talk" to CPU directly and write to an address, if it help=
s)
Thanks


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