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Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
7 years ago

NIOS2 & mSGDMA (Ethernet example)

Hello, I am trying to build the Ethernet hardware system for the NIOS2 "Simplified TCP server" example, for the Arria 10 Gx Developpemnt kit. I am having two problems with the mSGDMA IP. I...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
7 years ago

thank you for your help,

I succeeded in using the mSGDMA devices, in a loopback demo. My understanding is the new TSE driver suite that comes in a BSP requires mSGDMA devices, no longer SGDMA.

So now I got something that should be fairly close to what I want. I have a NIOS2 + TSE + two mSGDMA devices and a dedicated OCM for DMA descriptors.

The point is I am trying to create a basic design to use the TCP demo application, now I can get the app to start but it is stuck at "Auto negotiation passed" and simply hangs there.

The two NicheStack tasks (tick & netmain) are both created. The MDIO interface seems to be working and the drivers seems to do the job. But then it requests a hardware reset, reinitiates a negotiation & just freezes.

Any ideas what I might be doing wrong?

I noticed on an online tutorial that what comes next is related to DMA devices, could that possibly be related to my OCM/DMA whatever SOC I did wrong?

https://alteraforum.com/forum/attachment.php?attachmentid=15825&stc=1
AKb's avatar
AKb
Icon for Occasional Contributor rankOccasional Contributor
5 years ago

Hi,

I am trying to implement triple speed ethernet in nios processor using modular scatter gather dma (msgdma) controller. I have build the qsys. For memory i have used ram. I have called 2 msgdma one for receiving in streaming to memory mode and one for transmitting in memory to streaming mode. I have done the interconnections in qsys platform and generated the HDL successfully. The sopcinfo file is also generated. Using this sopcinfo file i tried to generate the bsp. The bsp generates but when i try to build the bsp project in eclipse the build fails. It says that " fatal error. altera_msgdma.h. No such file exists."

I am using Quartus 18.1. I cannot downgrade to lower version as i have progressed a lot in 18.1 and now cannot migrate to a lower version because of dependency issues.

Actually this file is missing in alt_avalon_tse.h. The altera_msgdma.h exists in the installation folder of quartus 18.1 in c drive. But some how when i try to build the bsp it doesn't pick that file and throws the above mentioned error. I have tried to manually move altera_msgdma.h and altera_msgdma.c file into the incude and source file of the driver folder of the project file. After doing this the bsp builds, but the actual project build fails.

Kindly guide

Regards

Av

  • AKb's avatar
    AKb
    Icon for Occasional Contributor rankOccasional Contributor
    5 years ago

    Hi,

    I am trying to implement triple speed ethernet in nios processor using modular scatter gather dma (msgdma) controller. I have build the qsys. For memory i have used ram. I have called 2 msgdma one for receiving in streaming to memory mode and one for transmitting in memory to streaming mode. I have done the interconnections in qsys platform and generated the HDL successfully. The sopcinfo file is also generated. Using this sopcinfo file i tried to generate the bsp. The bsp generates but when i try to build the bsp project in eclipse the build fails. It says that " fatal error. altera_msgdma.h. No such file exists."

    I am using Quartus 18.1. I cannot downgrade to lower version as i have progressed a lot in 18.1 and now cannot migrate to a lower version because of dependency issues.

    Actually this file is missing in alt_avalon_tse.h. The altera_msgdma.h exists in the installation folder of quartus 18.1 in c drive. But some how when i try to build the bsp it doesn't pick that file and throws the above mentioned error. I have tried to manually move altera_msgdma.h and altera_msgdma.c file into the incude and source file of the driver folder of the project file. After doing this the bsp builds, but the actual project build fails.

    Kindly guide

    Regards

    Av