Date: Sat, 7 Aug 2010 21:43:59 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-current@freebsd.org, freebsd-usb@freebsd.org, freebsd-arm@freebsd.org, Andrew Thompson <thompsa@freebsd.org> Subject: [BETA testing] USB 3.0 Super Speed support in FreeBSD Message-ID: <201008072144.00002.hselasky@c2i.net>
next in thread | raw e-mail | index | archive | help
Hi, During the last two weeks I've been working hard to get USB 3.0 support added to the FreeBSD 8+ USB stack. There are a couple of issues left, but right now the code is in a state were enumeration of USB devices is possible and there are no dirty hacks :-) The XHCI chip, which is the PCI interface for USB 3.0, is a replacement for OHCI/UHCI/EHCI and can also drive USB Super Speed (4.8 Gbps). I expect there to be a througput and performance increase when switching over to the XHCI interface also for 2.0 compatible devices, because it has a better data queuing mechanism. Currently all code has been committed to the USB P4 project at FreeBSD.org. You need to copy all files under sys/dev/usb + sys/modules/usb/xhci into 8- stable for example, and then build a new kernel. You need to manually to cd into sys/modules/usb/xhci and type make all install after you built the kernel. Reference: http://p4db.freebsd.org/changeList.cgi?FSPC=%2F%2Fdepot%2Fprojects%2Fusb%2Fsrc%2F...&USERS=hselasky&ignore=GO! Comments are welcome! --HPS
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201008072144.00002.hselasky>