On Mon, Dec 5, 2016 at 7:26 AM, Mirza Krak <mirza.k...@gmail.com> wrote: > Hi. > > I have some questions and remarks and hopefully someone here can answer them. > > The meta-raspberrpi layer is missing a morty release? Any time frame > of when this will be added?
We use master as long as possible, when we have a change that makes master incompatible with prior releases we branch out for the prior releases at that point. > > There is currently a issue when using U-boot due to some updates in > RPi boot firmware. See [1] and [2]. Which should be noted/resolved > before a morty release? > > To provide some more information about above mentioned problem. If you > use the current firmware files (20161030 in meta-raspberrypi) together > with U-boot (2016.03) you lose the console on U-boot and on Linux > kernel. This is due to the fact that "newer" firmware sets a default > uart clock to 48 MHz, but U-boot has a hard-coded value of 3 MHz, and > since we yet do not support to "forward" the patched DTB provided by > the firmware from U-boot to Linux we also break console on Linux. > > The "default" values has been updated in Linux, see [2]. But if you > use that updated Linux kernel there is a mismatch between u-boot and > Linux. Should be noted that U-boot 2016.11 does not have this problem > since it does not try to initialize the UART port at all and only > relies on firmware to set it up correctly (see [3]). We should drop 2016.03 and support 2016.11 for keeping it simple. > > Hope I made sense here :). > > [1]. https://github.com/agherzan/meta-raspberrypi/issues/36 > [2]. https://github.com/raspberrypi/linux/issues/1732#issuecomment-264810083 > [3]. > http://git.denx.de/?p=u-boot.git;a=commit;h=cd0fa5bff8052b19bde6967c2734f323c9848568 > > Best Regards > Mirza > -- > _______________________________________________ > yocto mailing list > yocto@yoctoproject.org > https://lists.yoctoproject.org/listinfo/yocto -- _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto
