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DS-5 and DStream  set memory freescale i.MX6  error: ERROR(TAD11-NAL18)

TonyHo

I want to use the DS-5 and DStream to debug the u-boot, so I write a memory initialization sequence into file cmimx6q.ds, which is a list of commands like:

mem set 0x020e05a8  32  0x00000028

and I specify this file as the input of Run target initialization debugger script  from Debugger tab in Debug configuration Option . The attach png shows it.


And the problem cames:

Once I click debug , the error occurs, and the full log is following ( I chang the color of the error hint sentence) :

Stopping running target Freescale - i.MX6 Solo (Generic) on USB:001870 on connection
Connected to running target Freescale - i.MX6 Solo (Generic) on USB:001870
Execution stopped at: S:0xC00AF58C
S:0xC00AF58C   MOV      pc,lr
source /v "/home/hexiongjun/SmartAuto/uboot-imx/cmimx6q.ds"
+mem set 0x020e05a8  32  0x00000028
Target Message: Memory access caused precise abort.
Debug Precise Abort Registers : DFSR = 0x00000805, DFAR = 0x020E05A8
ERROR(TAD11-NAL18): 
# in /home/hexiongjun/SmartAuto/uboot-imx/cmimx6q.ds:1 while executing: mem set 0x020e05a8  32  0x00000028
! Failed to write 4 bytes to address S:0x020E05A8
! Bus error on memory operation.
ERROR(CMD656): The script /home/hexiongjun/SmartAuto/uboot-imx/cmimx6q.ds failed to complete due to an error during execution of the script
loadfile "/home/hexiongjun/SmartAuto/uboot-imx/u-boot"
ERROR(CMD16-TAD11-NAL18): 
! Failed to load "u-boot"
! Failed to write 179,688 bytes to address S:0x10000000
! Bus error on memory operation.
Target Message: Memory access caused precise abort.
Debug Precise Abort Registers : DFSR = 0x00000024, DFAR = 0x00007000
Target Message: Could not determine target state

So  I submit the command reset , it success:

reset
Target has been reset
Execution stopped at: S:0xC001FDB8
S:0xC001FDB8   TST      r3,#0x4000

then I submit command mem set 0x020e05a8  32  0x00000028 , it faled to write :

mem set 0x020e05a8  32  0x00000028
Target Message: Memory access caused precise abort.
Debug Precise Abort Registers : DFSR = 0x00000805, DFAR = 0x020E05A8
ERROR(TAD11-NAL18):
! Failed to write 4 bytes to address S:0x020E05A8
! Bus error on memory operation.

It seems the debug can't access the register 0x020e05a8 , I'm confused. 

I used to debug arm by J-Link, DStream is the first time. Can anyone help me ? Thanks in advance.

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