AnIbal,
Please refer to the latest version of the Datasheet for DDR2/mDDR Memory map starting at 0xC000 0000 to 0xCFFF FFFF .And for the reserved location starting at 0xD000 0000 to 0xFFFC FFFF
http://www.ti.com/lit/ds/symlink/omap-l138.pdf
Please define the updated memory map value for DDR2/mDDR and check once
Regards
Antony