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AM5718: IEP register access leads to crash or hang of A15

Part Number: AM5718

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.