Problems about port to allwinner T3

[jameszxj]

Hi,
    I am trying to port RTEMS for allwinner T3 Soc(Quad cortex-A7 core)， I start it from BSP imx. 
System runs just with one core and without MMU, So I have two problems:
1.when I enable MMU, system halt
But uboot run ok with MMU and cache on, even I use the same ttb descriptor as uboot, system still halt at set TTBR0.
I have turned off MMU and clean cache before initialized it.


2.When I define processor number to 2, system seems enter a infinite loops at _Per_CPU_Wait_for_job()
Is there any notes about how to start 2nd core? I almost know nothing about start 2nd core.


Any advices will be appreciated. 
Thanks!
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