From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hadrien Boutteville Date: Sat, 31 May 2014 18:38:13 +0200 Subject: [Buildroot] new TI kernel version for beaglebone black In-Reply-To: <5389F864.80909@ethertek.ca> References: <5388F5A2.1080008@ethertek.ca> <5389CDB9.3080209@gmail.com> <5389F864.80909@ethertek.ca> Message-ID: <538A0575.8000303@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Dan, On Sat, 31 May 2014 08:42:28 -0700, Dan Pattison wrote: > 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). >> >> 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. >From what you said I understood that you were using the default kernel config in beaglebone_defconfig almost unchanged ;-). Well, I'm using the drivers compiled into the kernel and it works fine too. Make sure you selected those options in your kernel config: USB_MUSB_DUAL_ROLE=y USB_MUSB_HDRC=y USB_MUSB_DSPS=y USB_MUSB_AM335X_CHILD=y Regards, Hadrien