Hi.
We seem to have the exact same problem as
https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1016508/am5708-a15-dsp1-hangs-if-try-to-access-any-register-of-iep-of-pru-icss1-omap_l3_noc-44000000-ocp-l3-application-error-target-5-mod-1-unclearable
When doing HW reset (power cycle) and performing a read or write to e.g. (icssEmacBaseAddressHandle->prussIepRegs + CSL_ICSSIEP_GLOBAL_CFG_REG), or any reg in prussIepRegs, A15 hangs.
This does not happen on soft reset.
However, this issue only occurs in about 1 in 20 boards.
Did you find a solution in the above case.
Thanks for you continuous support,
Anders.