U-boot

http://lists.denx.de/pipermail/u-boot/2004-January/003578.html Intel LXT971A PHY layer support code as used to interface with Spartan FpGa development board for Linux.


 * https://www.ohloh.net/p/u-boot

http://www.denx.de/wiki/DULG/Faq U-BOOT loader uses the LXT971A Ethernet transceiver

http://www.denx.de/wiki/view/ELDK-5/GitRepositorySetup

http://en.wikipedia.org/wiki/Das_U-Boot Wikipedia entry

http://microcross.com/html/micromonitor.html lxt971A used in FPGA Ethernet interface

I am in the process of creating a U-Boot port for Cogent CSB272 board (PPC405)

http://www.kip.uni-heidelberg.de/ti/DCS-Board/current/datasheets/ethernet/LXT971ADesGuid.pdf design guide

Realtek

 * http://patchwork.ozlabs.org/patch/117566/ physical layer support
 * https://www.ohloh.net/