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The data abort of dumping the DDRMC multi port registers

Question asked by Yang Wenyou on Jan 16, 2018
Latest reply on Jan 23, 2018 by igorpadykov

Hello, 

 

 I tried to dump the DDRMC multi port registers using md.l command in U-Boot, I experienced abort when dumping the Port n Channel m Configuration I Mask Register (307A_0410), the log is listed as below. 

 

=> md.l 307a0410 1
307a0410:data abort
pc : [<bff7f9ec>] lr : [<bff7f9cc>]
reloc pc : [<8782c9ec>] lr : [<8782c9cc>]
sp : bdf50cc0 ip : 307a0410 fp : 00000008
r10: 307a0410 r9 : bdf50eb8 r8 : 307a0410
r7 : 00000001 r6 : 00000001 r5 : 00000004 r4 : 00000004
r3 : 00000000 r2 : 00000060 r1 : bdf50cd4 r0 : 00000009
Flags: nZCv IRQs off FIQs off Mode SVC_32
Resetting CPU ...

 

Do you know why?

 

Best Regards,

Wenyou Yang

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