On 06.05.2009 2:50 Uhr, Carl-Daniel Hailfinger wrote: > Create a SB600 SPI detection heuristic. > > I know that the data sheets say we can't read the ROM straps, but > creative interpretation of the data sheets yielded a heuristic which > should work pretty well. > > NOTE: If you test this, make sure you power down and _unplug_ the > machine for a few minutes before you boot and run flashrom with this patch. > If the machine is not unplugged for some time, the test will yield > incorrect results. > If you run a slightly older flashrom version than svn HEAD, the test > will yield incorrect results. > If you run any flashrom version (except svn HEAD plus this patch) after > poweron, the test will yield incorrect results. > > Explanation: > Older flashrom versions unconditionally stomp on registers which are > used for this heuristic. These registers are in the S5 power domain, so > even powering down does not clear them, you really have to unplug the > machine. > (and remove the battery if it is a laptop)
> Signed-off-by: Carl-Daniel Hailfinger <[email protected]> > Acked-by: Stefan Reinauer <[email protected]> -- coresystems GmbH • Brahmsstr. 16 • D-79104 Freiburg i. Br. Tel.: +49 761 7668825 • Fax: +49 761 7664613 Email: [email protected] • http://www.coresystems.de/ Registergericht: Amtsgericht Freiburg • HRB 7656 Geschäftsführer: Stefan Reinauer • Ust-IdNr.: DE245674866 -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
