[yocto] [meta-raspberrypi] morty release ?

[Khem Raj]

On Mon, Dec 5, 2016 at 7:26 AM, Mirza Krak <mirza.krak at 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
> --
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