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shantaramj

How to share DDR memory between CPU0 and CPU1 using openAMP

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Posted (edited)

Hello Folks,


I am running linux on cpu0 and baremetal application on cpu1 using openAMP.

I already have baremetal application which is load data from sdcard and send it to video mixer.

Now i want to sdcard is access by linux and send sdcard data to baremetal application.

so i want to share linux application data with baremetal application.

how can i do this?


My baremetal video application is:

i stored image data in sdcard then its load into DDR and send to video mixer

SDCARD(image data)---> DDR ---> video mixer----> HDMI outpt


In openAMP:

Now I want to sdcard is access by linux and flow goes to as above.

please give me any clue or example how can i share ddr.


 

platform   Zybo 7020

vivado ver. 2018.2

 

Thanks in advance

 

Edited by shantaramj

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