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[Cortex-R82] Enable Dcache fail in FVP

Hi, All:

I used FVP_BaseR_AEMv8R to debug cortex r82 . An exception occurred after enabling dcache in SMP mode.

Any idea on where I'm doing something wrong?

Boot process:

1. cpu0 boot from EL2, other cpu wait cpu0 kick;

2. cpu0 change to EL1;

3. cpu0 enable MPU and dcache;

4. cpu0 kick other cpu;

5. other cpu enable MPU and dcache;

The program stopped at step3, and no exception was reported.