Forum Discussion

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

Altera PCI Express Development Kit: Linux DMA Driver

Hi, I am a newbie to FPGA design and implementation. While installing the PCI express board on LINUX machine, I don't see Demo application driver for DMA read and write for LINUX (Manual talk...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

--- Quote Start ---

Alright:

I downloaded the application note and tried out all 4 of the .sof files provided for Arria GX...

x1 Legacy: no device in lspci

x4 Legacy: device shows, driver hangs with EPLAST=44 on the 1st memory transfer.

x1 ST: no device in lspci

x4 ST: no device in lspci

--- Quote End ---

The only problem I had running the chainging_dma example created by the core was the following.

If I used the Avalon Interface the generated exampled tied the rx_st_ready0 signal to 0 which causes windows to hang on boot. Maybe its the same reason here, but I guess you used a .sof file by altera?