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How to use SDMA in i.MX7D ?

Question asked by ko-hey on Apr 16, 2017
Latest reply on Apr 28, 2017 by Bio_TICFSL
Branched to a new discussion

Hi all


I plan to use i.MX7D and have questions about SDMA.

Could someone teach me the following questions ?




I think the DMA works by loading the binary file and execute the program.

Is my understanding correct ?



If Q1 is yes, the binary is sdma-imx7d.bin which can found in following link.


Am I correct ?




If Q2 is yes, please tell me the licence type.

According to the README.txt which is in linux-2.6-imx.git - Freescale i.MX Linux Tree , the firmware directory doesn't contain the GPL'ed work files.

This means that the conditions listed under GPL do not apply to firmware's directory.


Am I correct ?



If Q3 is yes, could you tell me the licence type ?