Lennart Sorensen wrote: > On Fri, Sep 12, 2008 at 08:54:29PM +0200, Arnaud Patard wrote: >> I don't know which iop32x configurations are enabled in the default >> iop32x kernel but there are some boards with e1000 which do have the >> eeprom so imho unless you do some kind of runtime detection, I fear >> you'll break theses boards. > > Well looking at the datasheet of one of the e1000 chips, it looks like > if you check the contents of EEPROM_INIT_CONTROL1_REG in the eeprom > data, then a check of (value & 0xc000 == 0x4000) will tell you that the > eeprom is valid, and otherwise you have no eeprom or an invalid eeprom. > So if you detect that no valid eeprom is present, check if the existing > MAC address is a valid one, and if so, leave the chip alone and assume > it is a board with no eeprom but some other method of configuring it. >
Right! So now, all we gotta do is get Intel to sign on to distributing such code in their mainline driver... ;) b.g. -- Bill Gatliff [EMAIL PROTECTED] ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel
