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AM6526: Need Detail Document regarding Power-AP

Part Number: AM6526

Hi,

 

Our third party has a question/request about ICE connection. Could you answer their question/request below ?

 

They’re using their own JTAG ICE and could connect to DMSC (Cortex-M3) on AM65x by controlling PWRAP. They’re referring to

https://sourceforge.net/p/openocd/mailman/message/36674568/ and setting as follows;

 

+     # To access M3, we need to enable the JTAG access for the same.

+     # Ensure Power-AP unlocked

+     $_CHIPNAME.dap apreg 3 0xf0 0x00190000

+     $_CHIPNAME.dap apreg 3 0x50 0x00102098

 

Since they couldn’t understand the above operation, could you share any document regarding PWRAP with them ?

They referred to 13.3.7 Debug and Device Management in TRM, but couldn’t find the detail description.

 

Regards,

Hideaki