PROCESSOR-SDK-AM437X: am437xIDK programming issue with XDS100V2 (USB)

Anil Garg

Intellectual 510 points

Part Number: PROCESSOR-SDK-AM437X

Using CCS : Version: 9.3.0.00012

Processor SDK: Processor SDK RTOS 06_03_00_106

JTAG: XDS100 V2 USB debugg mode

Device: IDK_AM437x

Example Code: C:\ti\pdk_am437x_1_0_17\packages\MyExampleProjects\MCSPI_BasicExample_idkAM437x_armTestProject

Error During programming:

CortexA9: Trouble Writing Memory Block at 0x80000000 on Page 0 of Length 0x7ff0: (Error -2130 @ 0x80000000) Unable to access device memory. Verify that the memory address is in valid memory. If error persists, confirm configuration, power-cycle board, and/or try more reliable JTAG settings (e.g. lower TCLK). (Emulation package 8.4.0.00006)
CortexA9: File Loader: Verification failed: Target failed to write 0x80000000
CortexA9: GEL: File: C:\Users\20013266\Box\EthernetModule\Firmware\TestCode\GPIOTest\MCSPI_BasicExample_idkAM437x_armTestProject\Debug\MCSPI_BasicExample_idkAM437x_armTestProject.out: Load failed.
CortexA9: Error: (Error -1170 @ 0x0) Unable to access the DAP. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK). (Emulation package 8.4.0.00006)
CortexA9: Unable to determine target status after 20 attempts
CortexA9: Failed to remove the debug state from the target before disconnecting. There may still be breakpoint op-codes embedded in program memory. It is recommended that you reset the emulator before you connect and reload your program before you continue debugging

The above error is very random in nature. Sometime it runs without any problem also.

Please check below screen shots for further details:

over 3 years ago

0 Jianzhong Xu over 3 years ago

TI__Guru 58625 points

Hello,

Try to do a CPU reset before you load the code, CCS > Run > Reset > CPU Reset (SW).

Regards,

Jianzhong

0 Anil Garg over 3 years ago in reply to Jianzhong Xu

Intellectual 510 points

I have done as suggested but still same issue coming:

screen shot:

0 Jianzhong Xu over 3 years ago in reply to Anil Garg

TI__Guru 58625 points

Anil Garg said:
The above error is very random in nature. Sometime it runs without any problem also.

When it could run, did the program finish completely?

Anil Garg said:
CortexA9: Trouble Writing Memory Block at 0x80000000

Can you try if you can write to memory 0x80000000 through CCS memory browser when it fails again?

0 Anil Garg over 3 years ago in reply to Jianzhong Xu

Intellectual 510 points

Anil Garg said:

The above error is very random in nature. Sometime it runs without any problem also.

jianzhongxu : it could run, did the program finish completely? : Yes .. but it also a random in nature.

Anil Garg said:

CortexA9: Trouble Writing Memory Block at 0x80000000

jianzhongxu : you try if you can write to memory 0x80000000 through CCS memory browser when it fails again? : Yes I am able to modify in memory browser.

0 Ki over 3 years ago

TI__Guru**** 462961 points

Hello,

Anil Garg said:
Using CCS : Version: 9.3.0.00012

Processor SDK: Processor SDK RTOS 06_03_00_106

JTAG: XDS100 V2 USB debugg mode

Device: IDK_AM437x

Example Code: C:\ti\pdk_am437x_1_0_17\packages\MyExampleProjects\MCSPI_BasicExample_idkAM437x_armTestProject

I used the same exact setup and I was able to load the executable without any issue. The only difference I had was:

Anil Garg said:
(Emulation package 8.4.0.00006)

My CCS 9.3.0 installation had Emulation package version 9.1.0.00001.

Can you try updating the emulation package in your CCS 9.3.0 installation?

Thanks

0 Anil Garg over 3 years ago in reply to Ki

Intellectual 510 points

I have updated CCS with version Version: 10.4.0.00006 But still same issue i am facing.

0 Ki over 3 years ago in reply to Anil Garg

TI__Guru**** 462961 points

Anil Garg said:
I have updated CCS with version Version: 10.4.0.00006 But still same issue i am facing.

I used the same versions and again, I have no issues.

It must be something specific to you environment/target. Since the issue is somewhat random, it points to an instability issue. Perhaps try lowering the TCLK value:

https://www.youtube.com/watch?v=mKxaztkCsYw

Also perhaps try using a different USB cable.

Thanks

0 Anil Garg over 3 years ago in reply to Ki

Intellectual 510 points

After lowering the TCLK at 100kHz , Now its programming.. But still i need to wait for few more days to conform. Hope it will not repeat again. Thanks for your continuous support.

Thanks,

0 Ki over 3 years ago in reply to Anil Garg

TI__Guru**** 462961 points

Anil Garg said:
After lowering the TCLK at 100kHz , Now its programming..

Good to hear. I assume you are plugging a USB cable between the PC and IDK to use the on-board XDS100v2. There is some stability issue with the connection that lowering TCLK helped with. You may want to try using a different (perhaps shorter) cable. Also check to see if there could be anything that could potentially cause interference with the connection. These may help with the stability issue. Using a 100kHz TCK will make the debug experience slower.

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PROCESSOR-SDK-AM437X: am437xIDK programming issue with XDS100V2 (USB)