[yocto] Meta layer for pine64

[Tom Rini]

On Wed, Sep 21, 2016 at 11:39:48AM -0700, Khem Raj wrote:
> On Fri, Sep 16, 2016 at 2:01 PM, Mont3z Claros <mont3z.claro5 at gmail.com> wrote:
> > Hi all,
> >
> > I just finished a first beta version of a meta layer for SBC pine64.
> > You can find it in  https://github.com/mont3z/meta-pine64
> >
> > I'd appreciate if anyone has any comments on possible improvements. A
> > major problem I had was the necessity of two toolchains: one for
> > compiling u-boot (32 bits) and another for compiling all other
> > components (64 bis). At the moment I have a very ugly hack to do it.
> > The 32 bit toolchain is an external toolchain and I set PATH
> > environmental variable in u-boot recipe.
> 
> I think it would be desirable to have single toolchain, u-boot is a
> stand alone app
> in general, if your compiler can do multilib builds for 32bit then it
> would be possible
> to build it. May be you should work with the toolchain team for pine64 to see if
> that can be done. It will simplify using this layer.

Actually, pine64 has a 64bit U-Boot, I think maybe the layer just needs
to be updated to use mainline (or v2016.09.01) U-Boot.

> Other option I would suggest to build u-boot externally for your SoC, we do
> not necessarily need a bootloader for building final images anyway.

Well, you do if you want a bootable image to be made :)  iirc all of the
models are SD card only, no eMMC so assuming firmware "elsewhere" is a
bad idea.

-- 
Tom
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