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Change buswidth on the hps2fpga bridge

Altera_Forum
Honored Contributor II
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Hi, 

I am trying to enable the hps2fpga bridge using 64 bits instead of 32 bits, 

From qsys and fpga side everything seems fine but i am not sure what i have to do on linux side in order to really enable the 64 bit. 

Do i have to change the device tree? Because in my current device tree i couldn't find an entry for the bus-width. 

 

Can anyone help?
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