Simple AxiDma on Microzed, unexpected behaviour

Question

Hello,
I'm using a Microzed (7010) Evaluation Kit with Vivado (2016.3) and SDK (2016.3) on Win7 Pro/64bit.

I developed a simple standalone AxiDma application in order to transfer two blocks of data of size = 0xC0000 bytes (786432 bytes) toward the DDR.
Each transfer is performed by calling XAxiDma_SimpleTransfer(...,(STARTADDR+i*size), size, ....) and then waiting for transfer completation (XaxiDma_Busy(..)) before starting the next one.

It works fine with STARTADDR >= 0x00110000, however it fails or blocks if STARTADDR = 0x00100000 or smaller than 0x0010E000 (about).

All suggestions are welcome.
Thank you

dune_userfog · Accepted Answer

Thanks for suggestion regarding code examples. I've seen the BRAM example and the offset used for DDR start address to pass code and data sections. Thank you very much for the useful support.