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We are using Intel based SBC on one side and NVIDIA Jetson Orin NX 16 GB GPU on another side.
Both are connected over PCIe lanes.
Kindly refer to this link
https://docs.nvidia.com/jetson/archives/r36.4.3/DeveloperGuide/SD/Communications/PcieEndpointMode.html#connecting-and-configuring-the-devices
for the procedure for testing the Root Complex Port device( which is intel based SBC in our case ) and End Point device, which is Jetson Orin NX 16 GB unit.
The Intel processor is from AAEON vendor, details are CoreTM i7 - 1185GRE. The Operating system loaded on this SBC is Ubuntu 20.04
The OS loaded on GPU Jetson unit is, linux-for-tegra ver 36.4.3.
Kindly refer this NVidia forum link, which says we need to have our own custom driver on x86 host PC( which is root complex) for testing RP ( Intel SBC) to EP device( Jetson).
https://forums.developer.nvidia.com/t/endpoint-rp/318375/8?u=nagesh_accord
let me know, if you need any other details.
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Hello, @Nagesh_Trident:
Thank you for contacting Intel Embedded Community.
We have received your request, but we want to address the following consultations to understand better the reported condition:
Could you please confirm that the implementation with the Intel processor has been manufactured by the third-party company mentioned in your previous message? By the way, please give us the part number and model of the affected implementation.
We are waiting for your reply.
Best regards,
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Hi CarlosAM_INTEL,
Thanks for the updates.
1) The implementation of the PCIe drivers on the GPU side is done by NVidia. NVidia has tested the PCIe interaction between 2 GPU units ( one acting as Root complex and another acting as End Point Device . It has been tested and working fine.
The model number of NVidia GPU is Jetson Orin NX 16 GB
Refer below links for more details.
2) Coming to our requirement, we have One side Intel SBC ( acting as Root complex) another side End Point device as GPU ( Jetson Orin NX 16 GB ). We need to custom drivers for testing this on Intel side.
The operating systems we have loaded on intel SBc is Ubuntu 20.04. The one on the GPU is linux for tegra 36.4.3
Please refer to the links, in previous post for more details.
Thanks & Regards,
Nagesh R
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Hello, @Nagesh_Trident:
Thanks for your reply.
We want to rephrase our previous questions because the received information does not answer our consultations:
Could you please let us know if the boards related to this situation have been designed and manufactured by you, or by a third-party company? If the boards were designed and manufactured by a third-party company, please let us know the part numbers, models, and name of the company that made them.
We are waiting for your clarification.
Best regards,
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Hi Carlos,
Thanks for the reply.
We have procured the Intel based SBC from AAEON( CoreTM i7 1185GRE). The GPU - Jetson Orin NX 16 GB from NVidia.
The individual carrier boards for these two SBC/SOM reside are designed by us.
later these two packed units are connected over PCIe lanes.
Now, we need to establish the connection and communication between these two units.
One acting as Root complex ( Intel based SBC) and another a EndPoint device( Jetson Orin NX 16 GB ).
The steps provided by NVidia works only if both units are Jetson Orin NX ( Root complex and End point device)
In our use case, we want the Intel based SBC to act as Root complex, for that we need the drivers from third party( Nvidia) to be updated accordingly for Intel platform.
Pls refer the below link fully for more details.
you mean download the Jetson linux for tegra OS public source and go through the documentation related to PCI end point stuff, later you will get idea of what i need from Intel.
Basically the driver "tegra_vnet" or something else which might be there in jetson linux source, need to be fine tuned for Intel( is what I think !!).
Please let us know, if you want any other details.
Thanks
Nagesh R
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Hello, @Nagesh_Trident:
Thanks for your clarification.
You need to address your request to receive the proper supported information for the affected implementation by filling out, as a reference the form stated on the following website:
https://www.aaeon.com/en/support/support_form
Best regards,
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Hi,
Thanks for the updates.
We have raised the query to AAEON customer support and waiting for there reply.
Regards,
Nagesh R

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