I always had a dream about HW/SW co-design of network controller. Like designing schematic / PCB, then develop FW/SW and so on ...
This is basically just a dream. But for my first iteration I'd decided to design a PCI network card.
As PCI is parallel (and a little simple) protocol, so I can handle (hopefully) hardware part of network card in LX9!
Again, my design can be as simple as 2 layer PCB. There it is!
First of all, main idea of board came from MESA-5I25 board from mesanet.com. I've learn alot from their board (only it's pictures, I've never have one) and HDLs they provide for board.
- Universal PCI interface (5v0, 3v3)
- XC6SLX9-2TQG144I
- DP83848 (Ethernet PHY with MII interface to FPGA)
- W25Q64FV (32Mb x4 flash)
- FT2232H (As USB to serial and JTAG interface)
I'm still working on HDLs. codes on FW/SRC are simple demo for board functionality which:
- Provide 256 bytes BRAM in first 256 bytes of
BAR0 - Provide 1 byte general output register in second 256 bytes of
BAR0which control 3x LED on board
I've tested MII/MDIO interface via MicroBlaze soft core. They are working.
Here is my development setup:
Motherboard I'm using, is an old G41M-E2SL which runs Ubuntu-16.04 from PXE/NFS. So I have full control over kernel, initrd and rootfs.
Check Documents\pxe-menu
- If you want to use this board, as I and my good friend said: Check it yourself !
- And ... Have fun ...