TDA4AEN-Q1: [TDA4AEN] IPC init error on MCU2_0

Yongsig Do

Part Number: TDA4AEN-Q1
Other Parts Discussed in Thread: TDA4VH, TDA4VM

Tool/software:

Hi, TI experts.

I'm developing a DL-based app on TDA4AEN(J722S) EVM.

When I tried to run it, there was an error on IPC init of MCU2_0 even though I didn't change any codes in app_utils of PSDK.

_rpmsg_char_find_ctrldev: could not find the matching rpmsg_ctrl device for virtio4.rpmsg_chrdev.-1.13
IPC: ERROR: Unable to create TX channels for CPU [mcu2_0] !!!
IPC: Init ... Done !!!
APP: ERROR: IPC init failed !!!
REMOTE_SERVICE: Init ... !!!
_rpmsg_char_find_ctrldev: could not find the matching rpmsg_ctrl device for virtio4.rpmsg_chrdev.-1.21
_rpmsg_char_find_ctrldev: could not find the matching rpmsg_ctrl device for virtio0.rpmsg_chrdev.-1.21
_rpmsg_char_find_ctrldev: could not find the matching rpmsg_ctrl device for virtio1.rpmsg_chrdev.-1.21
REMOTE_SERVICE: Init ... Done !!!

I am struggling to pinpoint the source of the problem.

I was wondering if you would mind advising me on which aspects I should look into.

Kind regards

Yongsig

over 1 year ago

0 Tarun Mukesh Puvvada 11 months ago

TI__Guru 50156 points

Hello,

COuld you mention what steps did you perform ?

Are you using custom board ? or TI EVM ? Which SDK version you are using ?

RegardS

Tarun MUkesh

0 Yongsig Do 11 months ago in reply to Tarun Mukesh Puvvada

Expert 1690 points

Hi, Tarun Mukesh

I'm using TI EVM and PSDK9.2.0.5.

I didn't change remote_service and IPC at all. The only things that have been modified are C7x0 and C7x_1 firmware.

Do you think I should revise mcu2_0 firmware in PSDK Linux ?

Also, there is no message from MCU2_0 when I run vision_apps_init.sh

Kind regards

Yongsig

0 Nikhil Dasan 11 months ago in reply to Yongsig Do

TI__Guru* 85196 points

Yongsig Do said:
Do you think I should revise mcu2_0 firmware in PSDK Linux ?

Yes, please rebuild all the dependencies upon modifications. Are the modification done in memory map here?

If yes, all the firmwares should be rebuild in order to be aligned.

Only when you get the remote core logs of MCU2_0 when running ./vision_apps_init.sh, you will be able to communicate with the same

Regards,

Nikhil

0 Yongsig Do 11 months ago in reply to Nikhil Dasan

Expert 1690 points

Hi Nikhil

We can get three firmware files for each cores from sdk build in PSDK RTOS.

- vx_app_rtos_linux_c7x_1.out

- vx_app_rtos_linux_c7x_2.out

- vx_app_rtos_linux_mcu2_0.out

Is it right?

when I copied vx_app_rtos_linux_mcu2_0.out to /sdcard/rootfs/lib/firmware/vision_apps_evm/, this error came up.

The result was same even thogh all firmware files including c7x_1 and c7x_2 were copied to sdcard.

Also I did NOT modify or change any memory map.

Is there any idea to utilize as error code?

Kind regards

Yongsig

0 Yongsig Do 11 months ago in reply to Yongsig Do

Expert 1690 points

Hi,

I found the root cause of this issue.

The reason is the options, --rom_model, that are added to LDFLAG of tiarmcgt_llvm.mak

I used this option for other platforms such as TDA4VM EVM, TD4AL EVM, TDA4VH EVM. and it works.

I'm wondering why this option is not working on only TDA4AEN.

Do you have an idea?

Best regards

Yongsig

0 Brijesh Jadav 11 months ago in reply to Yongsig Do

TI__Guru**** 477995 points

Hi,

the compiler is same, so the same settings should also be applicable to TDA4AEN, i see no reason why it can't be used.

Regards,

Brijesh

0 Nikhil Dasan 11 months ago in reply to Brijesh Jadav

TI__Guru* 85196 points

Hi,

Can you copy the contents into the SD Card, using the script "make linux_fs_install_sd" ?

This would take in all the dependencies involved.

Regards,

Nikhil

0 Yongsig Do 11 months ago in reply to Nikhil Dasan

Expert 1690 points

Hi Nikhil

Yes, I did.

But the root cause is the option "--rom_model" in tiarmcgt_llvm.mak.

I'm trying to figure out why this option makes error.

If you have an idea, please let me know.

Kind regards

Yongsig

0 Nikhil Dasan 11 months ago in reply to Yongsig Do

TI__Guru* 85196 points

Hi Yongsig,

I see the "--rom_model" in tiarmcgt.mak and not in tiarmcgt_llvm.mak

Did you add this in tiarmcgt_llvm.mak ?

Regards,

Nikhil

0 Yongsig Do 11 months ago in reply to Nikhil Dasan

Expert 1690 points

Yes, I did.

But I reverted now, and it works.

I'm wondering why there is no problem in other platform such as TDA4VM, TDA4VH and AM62A when I put that options in tiarmcgt_llvm.mak

Best regards

Yongsig

+1 Nikhil Dasan 11 months ago in reply to Yongsig Do

TI__Guru* 85196 points

Hi Yongsig,

I see that we use tiarmcgt_llvm.mak to build the R5 core and this flag is not included in that.

Any particular reason why you want this enabled?

Regards,

Nikhil

0 Yongsig Do 11 months ago in reply to Nikhil Dasan

Expert 1690 points

Hi Nikhil

Nikhil Dasan said:

When I went through the history of why it was added, It seemed like our fault.

Thanks for your help!

I'll close this ticket.

Kind regards

Yongsig

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TDA4AEN-Q1: [TDA4AEN] IPC init error on MCU2_0