From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Pattison Date: Sat, 31 May 2014 08:42:28 -0700 Subject: [Buildroot] new TI kernel version for beaglebone black In-Reply-To: <5389CDB9.3080209@gmail.com> References: <5388F5A2.1080008@ethertek.ca> <5389CDB9.3080209@gmail.com> Message-ID: <5389F864.80909@ethertek.ca> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net On 5/31/2014 5:40 AM, Hadrien Boutteville wrote: > Hello Dan, > > On Fri, 30 May 2014 14:18:26 -0700, Dan Pattison wrote: >> I have a question that is probably not 100% buildroot related, but was >> hoping to get some help. I am using buildroot to build a kernel and >> rootFS for a beaglebone black. Buildroot is awesome and builds >> everything fine. The board boots up and all packages work properly. >> Unfortunately, USB seems to be badly broken. In the kernel I have USB >> driver enabled and USB Announce New Devices turned on. Googling around I >> find several people with the same problem, hotplug does not work at all, >> and no device I have tried shows up in dmesg or lsusb on cold or warm >> boot. A band aid is to use a powered USB hub (have not tried that). Some >> guys on the beagleboard.org IRC say to try a newer kernel version (3.14 >> or >) because beaglebone USB is fixed in newer kernel versions. Current >> buildroot beaglebone black kernel version is 3.12.10 >> >> In buildroot I used make beaglebone_defconfig. >> Under the Kernel menu, Custom Git repository is selected. >> The git URL is https://git.ti.com/ti-linux-kernel/ti-linux-kernel.git >> The custom repository version is 7f280334068b7c875ade51f8f3921ab311f0c824 >> The def config is board/beaglebone/linux-3.12.config > I'm using the default beaglebone_defconfig on BBB and USB hotplug works > fine. In the default kernel config the options are selected as modules, > so you have to load them: > > $ modprobe musb_am335x > $ modprobe musb_dsps > > After that, outputs in dmesg will tell you that the USB port is found > (short version) and USB hotplug will work (I just tested). > >> How was the custom repository number >> (7f280334068b7c875ade51f8f3921ab311f0c824) derived? Looking on the TI >> gitorious site, I see they are working on kernel 3.15. How can I make >> buildroot use the newer version? How do I find the newer custom >> repository version? I tried to find my answer with google, but I must >> not be using the correct search term. Please excuse the newbish questions. > Regards, > > Hadrien > Hello Hadrien, Thanks for the help. I had the drivers compiled into he kernel not as modules. When I reverted my changes back to module and added depmod to busybox, then things started to happen. Again, thanks for the help. Best Regards, Dan Pattison Ethertek Circuits