How to use BDSL file in jtag test~ Help

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How to use BDSL file in jtag test~ Help

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fatalfeel
Contributor V
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fatalfeel
Contributor V

thanks
I can use openocd to debug kernel and uboot and load code uboot and trace code

but how test all address the use bdsl file 

how to write script  for openocd or use .cfg    and print to  my console screen   
I do not know this part

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Yuri
NXP Employee
NXP Employee

Hello,

  Do You really need  BSDL?

For software debugging BSDL is not required.

Regards,

Yuri.

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fatalfeel
Contributor V

i want to test all address of bdsl,  test read and write in openocd, how to do?

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Yuri
NXP Employee
NXP Employee

Hello,

 for more details how to configure just openocd, please refer to openocd documentation.

Regards,

Yuri.

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Yuri
NXP Employee
NXP Employee

  Some general considerations are below.

1.
Please check if SATA and PCIe volatges are applied :  according to footnote of Table 2-21

(Recommended connections for unused analog interfaces) of the Hardware Development Guide,

linked below , SATA and PCIe supplies must remain powered if boundary scan test needs to be done.

http://cache.freescale.com/files/32bit/doc/user_guide/IMX6DQ6SDLHDG.pdf 

2.

JTAG_MOD (SJC_MOD) should be pulled up (to NVCC_JTAG) for Boundary Scan Mode.

3.

Please pay attention on COMPLIANCE_PATTERNS of the BSDL file.

attribute COMPLIANCE_PATTERNS of MX6S: entity is

"(TEST_MODE, JTAG_MOD, POR_B) (011)";

Check if :

TEST_MODE is LOW ;

JTAG_MOD is HIGH ;

POR_B is HIGH.

Regards,

Yuri.

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Rita_Wang
NXP TechSupport
NXP TechSupport

Hi,

You can refer to All Boards How To Understand JTAG BSDL 

                          All Boards JTAG
Have a great day,
Rita

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fatalfeel
Contributor V

i read already not not useful

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