Forum Discussion
New ContributorDescription of QSYS example design IP: PCIe DMA Controller 64/128 bit.
Hello!
Please, help me with QSYS example design IP: PCIe DMA Controller 64 bit.
I need to make a simple DMA exchange between Arria10 (EP) and CPU (RC) onboard thru PCIe Gen3 x1 link. Because of x1 I couldn't use of PCIe internal DMA controller. So, I've found design example ep_g2x1_avmm64 with PCIe DMA Controller 64. The question is, where can I found description of control port slave registers of DMA Controller 64?
Of couse, I have source files of that IP, but maybe it is described somewhere.
5 Replies
AnandRaj_S_IntelRegular Contributor
Hi Andrey,
You can refer to the design example from below link.
https://forums.intel.com/s/createarticlepage?articleid=a3g0P0000005RPeQAM&action=view
https://forums.intel.com/ics-frm-article/a3g0P0000005RPUQA2/reference-design-gen3x8-avmm-dma-arria-10?articleid=a3g0P0000005RPUQA2&action=view
Regards
Anand
WaveformMentioned example is not suitable for me, because I have only one x1 PCIe link. High performance embedded DMA controller doesn't support this case. I have found by my self appropriate example:
https://forums.intel.com/s/contentdocument/0690P000004pfl4QAA
- AnandRaj_S_Intel
Hi Andrey,
Presently we dont have any example with PCIe Gen3 x1.
Those links are for reference only.
You have change the parameters in IP's as per your requirements.
Regards
Anand
PaulR1Hi Anand,
The links posted are no longer live, are there any descriptions of how to use these example systems. I have the same issue as Andrey in that the PCIe Hard IP with DMA doesn't support the lower version (and number of lanes) of IP that my customer requires.
I need to provide a PCIe Gen1x1 with DMA and am looking for the most suitable solution. Where are these examples described so that I can modify or use correctly ?
Thanks and Best Rgds
Paul
scs-knoAny luck with the PCIe DMA Controller 64 (altera_avalon_dma_pci)?
PS: The DMA core is described in Embedded Peripherals IP User Guide in Chapter 30. Adapt TXS connections to read xor write from host memory to a destination.
