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Honored Contributor
Honored ContributorTrustZone prevents access to CoreSight
To change any of the CoreSight memory mapped registers, I have to use the DAP debug bus. For example: mem set APB:0x80007000 0 1 will enable the FPGA-CTI. I can see the change from H...
Altera_ForumHonored Contributor
Honored ContributorDid you unlock the coresight components (in your case, FPGA-CTI) before trying to access it through the core?
The lock register is at 0x80007fb0 and the value to be written is 0xc5acce55. You can either do this through DAP or through your core (0xff007fb0) before trying to do any mem write to coresight.
