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How to configure "mcu_2_shp" and "shp_2_mcu" generic scripts on Linux for SDMA transfers?

Question asked by Aman Mehta on Jan 4, 2018
Latest reply on Jan 14, 2018 by Aman Mehta

By reading reference manual I understand that I can use SDMA for eCSPI communication with one of the SPI devices, which further suggests that "mcu_2_shp" and "shp_2_mcu" are the generic scripts to do transfers. I am using Linux kernel 3.14, Please provide guidance to how to configure these scripts (i.e. providing source/destination addresses and other required things)?

Also, I am inclined to write a loadable module for this configuration. Please suggest if any further way around is there.