25.11.2016 15:43, Bjørn Forsman пишет: > Hi GRUB developers, > > My name is Bjørn Forsman, first time poster. I've been tasked to make > an xHCI driver for GRUB at my $dayjob. The end goal is to have smart > card (CCID) reader functionality. We already have a working CCID > driver on top of EHCI. I have no prior experience with xHCI (nor EHCI > for that matter), so this is quite the learning experience :-) >
What platforms do you target? Note that on most platforms grub relies on firmware services to access devices, so those direct hardware access drivers simply are not used. > I looked in the GRUB mailing list archive and found a couple of old > threads about xHCI[1], but it looks like there has never been an > attempt at writing that driver. > > Some questions: > > * Is there interest in xHCI driver for GRUB? If so I can post patches > when there is something that works (more or less). > > * I see the iPXE project has an xHCI driver. Any thoughts on using > that as a basis? I'm a bit unsure about the licensing, whether iPXE is > GPLv2 *only* or "at your option, any later version". I guess if it's > GPLv2+ it is compatible with GRUB's GPLv3+, or else not. Correct? > > Best regards, > Bjørn Forsman > > [1]: The "xhci support?" thread from 2012 and "[PATCH]: xHCI/EHCI - > Windows - BIOS bug interaction." from late 2013 which added a quirk > for an Intel controller. > > _______________________________________________ > Grub-devel mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/grub-devel > _______________________________________________ Grub-devel mailing list [email protected] https://lists.gnu.org/mailman/listinfo/grub-devel
