AM5728: error when compiling IPC

Hi Shine,

What SDK version is this? Please try to use SDK 6.3.

Regarding the build steps, are you trying to build Linux kernel and dtbs natively or through OE?

The build target to build the dtbs natively is just "dtbs".

regards

Suman

Hi Suman,

Thanks for your help.

Customer used RTOS SDK 06.03.00.106

He compiled the code on PC according to the above steps.

1. cd /home/ti-processor-sdk-linux-am57xx-evm-06.03.00.106
2. make linux-dtbs

When he executed ./app_host HOST and ./app_host DSP1, it can receive data. But DSP2, IPU1/2 are still stucking at "sending message 3", then excuting the ./app_host HOST again, it occurred the same error.

Does it mean customer can only use DSP1?

Thanks.
Rgds
Shine

Hi Shine,

The SDK 6.3 loads the firmwares at SPL. So, please make sure the firmwares are changed and board is rebooted before running the test.

regards

Suman

Hi Suman,

Thanks for your support.

Customer wanted to how to change the firmware and where is the firmware. He is not familiar with this step.

Thanks.
Rgds

Shine

Hi Shine,

Please look through the following training on IPC examples:

https://training.ti.com/am572x-build-run-ipc-examples?context=1138862-1135259

Additional documentation on Linux side is found here,  https://software-dl.ti.com/processor-sdk-linux/esd/docs/06_03_00_106/linux/Foundational_Components_IPC.html#ipc-for-am57xx

regards

Suman

Hi Suman,

I tried according to the content on this link. After reading it, I had some ideas, but I still couldn't fully

understand it. Then the operation above the document is carried out.

I have created a new ipc-starter according to the relevant steps and copied all five files into it. However,

the following errors occur when unbinding and bundling (I strictly follow the steps in the document)

Then I use the command cp ser* /lib/firmware to unbind and bind again, and it is normal again

Unfortunately, when I got to this point, the same problem occurred as I mentioned at the beginning

However, I know a solution is to follow the steps of Bigdata IPC example 

Similarly, for the update soft link, there is only app_host and server_dsp.xe66 in the release directory. I try to create a new soft connection (as in the video):

server_dsp1.xe66 & server_dsp2.xe66 & server_ipu1.xem4 & server_ipu2.xem4. But it does not work. There is no relevant content in the release directory,

so I'm confused. Is it the wrong way for me to establish a soft link?

Regards

Yubo

Hi Yubo,

Please try with the files already packaged in the filesystem.

$ ls -R /usr/bin/ipc/examples/ex02_messageq

usr/bin/ipc/examples/ex02_messageq:
debug release

usr/bin/ipc/examples/ex02_messageq/debug:
app_host server_dsp1.xe66 server_dsp2.xe66 server_ipu1.xem4 server_ipu2.xem4

usr/bin/ipc/examples/ex02_messageq/release:
app_host server_dsp1.xe66 server_dsp2.xe66 server_ipu1.xem4 server_ipu2.xem4

The 6.3 SDK examples do work.

Please also see a similar recent post and a few suggestions there:

e2e.ti.com/.../am5728-ipc-example-not-working

regards

Suman

Hi Suman,

I looked at the link you gave me. It is very similar between two situations. However, when I use the command ls -l /lib/firmware | grep lrw

Here is different in two board.

You can see that the two soft connections correspond to server_dsp.xe66. Because I want to use DSP2. I suppose it will work, but actually it not. Only

DSP1 can be used. And my print information much less than the other one.

I do not have server_dsp1.xe66 & server_dsp2.xe66 & server_ipu1.xem4 & server_ipu2.xem4 except server_dsp-.xe66 in

the /usr/bin/simple_buffer_example/release/

How to use dsp2 and ipu1/2? How can I create a soft link in this release directory?

By the way, I've packed these files in one folder.

Linux version: linux-4.19.94+gitAUTOINC+be5389fd85-gbe5389fd85

U-Boot version:u-boot-2019.01+gitAUTOINC+333c3e72d3-g333c3e72d3

Regards

Yubo

Hi Suman,

Thanks for your advice, I will have a try.

Regards

Yubo 

Hi Yubo,

Do you need any further help on this, or should I consider this issue Resolved?

regards

Suman

Hi Suman,

Thank you for your reply and help. I think I have solved the problem of messageq, but I have other problems about bigdata. I have raised questions in another

post.

Thank you again,

regards

Yubo