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tulip.txt 2.3KB

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  1. This software may be used and distributed according to the terms of
  2. the GNU Public License, incorporated herein by reference.
  3. This is a tulip and clone driver for Etherboot. See the revision
  4. history in the tulip.c file for information on changes. This version
  5. of the driver incorporates changes from Bob Edwards and Paul Mackerras
  6. who cantributed changes to support the TRENDnet TE100-PCIA NIC which
  7. uses a genuine Intel 21143-PD chipset. There are also various code
  8. cleanups to make time-based activities more reliable.
  9. Of course you have to have all the usual Etherboot environment
  10. (bootp/dhcp/NFS) set up, and you need a Linux kernel with v0.91g
  11. (7.16.99) or later of the tulip.c driver compiled in to support some
  12. MX98715 based cards. That file is available at:
  13. http://cesdis.gsfc.nasa.gov/linux/drivers/test/tulip.c
  14. NOTES
  15. I've tested this driver with a SOHOware Fast 10/100 Model SDA110A,
  16. a Linksys LNE100TX v2.0, and a Netgear FA310TX card, and it worked at
  17. both 10 and 100 mbits. Other cards based on the tulip family may work as
  18. well.
  19. These cards are about 20$US, are supported by Linux and now Etherboot,
  20. and being PCI, they auto-configure IRQ and IOADDR and auto-negotiate
  21. 10/100 half/full duplex. It seems like a pretty good value compared to
  22. some of the pricier cards, and can lower the cost of building/adapting
  23. thin client workstations substantially while giving a considerable
  24. performance increase.
  25. On some PCI tulip clone chipsets (MX987x5, LC82C115, LC82C168) this driver
  26. lets the card choose the fastest speed it can negotiate with the peer
  27. device. On other cards, it chooses 10mbit half-duplex.
  28. I burned an AM27C256 (32KByte) EPROM with mx987x5.lzrom and it worked.
  29. According to the data sheet the MX98715A supports up to 64K (27C512)
  30. EPROMs,
  31. I've liberally commented the code and header files in the hope that it
  32. will help the next person who hacks the code or needs to support some
  33. tulip clone card, or wishes to add functionality.
  34. Anyway, please test this if you can on your tulip based card, and let
  35. me (mdc@etherboot.org) and the Etherboot-Discuss list
  36. (etherboot-discuss@lists.sourceforge.net) know how things go. I also
  37. would appreciate code review by people who program. I'm a strong
  38. believer in "another set of eyes".
  39. Regards,
  40. Marty Connor
  41. mdc@etherboot.org
  42. http://www.etherboot.org/