Thanks,
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of Gregg C Levine > Sent: Wednesday, July 02, 2008 7:45 AM > To: Coreboot > Subject: [coreboot] USB Debug support > > Hello! > Let me see if I understand the thread earlier on USB Debug support. > > A USB cable configured to connect two systems together, such as a laptop > to > receive files from a desktop is simply two USB-A cables wired to an > appropriate logic array. Correct but the "appropriate logic array" are two USB device chips talking to each other so to speak. > This would (Or "should be". Either way) probably be > the latest generation in USB Gadget hardware. > > Ideally a Linux system can use this to talk to an appropriately configured > system, provided the target was built using the debug features turned on > for the USB stack layer. > Yes there is a kernel driver for this, it just needs to be enabled in the kernel. > While I have here hardware for trying out this idea, namely my Linux > development station, I have not as yet chosen a target. > You just have to make sure the EHCI USB device on the southbridge supports USB debugging and is enabled in the PCI config space. > In the next 6 months (projected timeframe) I will be working on a HOWTO build your own USB debug cable. I have much reading and studying to do first though. Hope that helps. Joseph Smith Set-Top-Linux www.settoplinux.org -- coreboot mailing list [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
