Written By Venice Lim on February 8th, Would you please share the linux driver code as well as the FPGA verilog coding? Written By Raul on May 26th, This looks interesting https: Which unfortunately I don’t have any suggestions, other than find an existing driver and copy it with any relevant changes. However, it’s extremely dated 13 years old and I’m not sure how much of it still applies to a modern kernel.

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Which unfortunately I don’t have any suggestions, other than find an existing driver and copy it with any relevant changes.

Written By Diego on March 22nd, As for the throughput: Written By Venice Lim on February 8th, As the name Xillybus sounds as if it is targeted for Xilinx only. From LDD chapter 15 but high-order requests pcis prone to fail even when the requested buffer is far less than KB, because system memory becomes fragmented over time. I haven’t actually done it, but someone was explaining it all to me a while ago.

Also it’s hard to say exactly what the right way is without knowing a lot of your requirements.


Inferred RAM and mux. Written By eli on April 25th, Written By eli on February 29th, On the PC side, yes, you need to develop or adopt some kind of driver. A clock cleaner is most probably necessary.


Written By eli on March 22nd, Written By eli on February 9th, Plus after a bit of thought, I think I was on the wrong pciie. I’m supposed to be developing the driver against CentOS 7. Such as if you’ve connected the driver to user space through sysfs then handling people opening, reading and writing the relevant files.

Linux source code: drivers/pci/host/pcie-altera.c (v) – Bootlin

It’s easy Designed to fail: The transport is a PCI Express connection. There’s a bunch of random details that I’m hazy on like whether it’s low memory or high memory, pcle I think there’s this contiguous memory allocator CMA framework now that allows you to kick out anything that is in your range when you allocate it.

FPGA subscribe unsubscribe 9, readers 31 users here now A subreddit for programmable hardwareincluding topics such as: The device in question is a software controlled switch-like product that uses a processor for certain tasks. Written By Venice Lim on February 9th, I’ve been reading about them and they might be the easiest way for me to get this up and running.


I saw the diagram you included and yes, basically using either Altera or Xilinx FPGA has nearly the same block diagram.

Hello, I have been reading your article about how to transfer data from a FPGA board to a computer and I might be pretty interested pcke your researches.

I would like to use a fpga board in order to send information that has been calculated to another computer with a pcie bus. So because of memory fragmentation, there may not be MB of contiguous memory on your system. Written By Raul on May 26th, Copy that and make any necessary mods. Thanks Eli for the response on Alterw throughput.

So basically, I just ran a program that reads or writes to a file descriptor as fast as possible typically a few GBsand divided the amount of data with the time elapsed. Then you just fill in the blanks. Step one, you’ve got a specific kernel version to use. I mostly focus on FPGA system level design and high speed data paths and controls.