[yocto] [meta-raspberrypi][PATCH v4] u-boot: Simplify boot script

[Paul Barker]

On Wed, 30 Nov 2016 10:14:01 +1100
Jonathan Liu <net147 at gmail.com> wrote:

> Hi Paul,
> 
> On 30 November 2016 at 07:39, Paul Barker <paul at paulbarker.me.uk> wrote:
> 
> > On Sun, 27 Nov 2016 17:37:53 +1100
> > Jonathan Liu <net147 at gmail.com> wrote:
> >
> > > A patch is backported to check if the firmware loaded a device tree blob
> > > into memory and set the fdt_addr variable if it is found. The U-Boot
> > > script will then read the command line arguments generated by the
> > > firmware from the device tree and boot the kernel with the command
> > > line arguments and the loaded device tree.
> > >
> > > This allows things like MAC address, board revision and serial number
> > > to be correctly configured and options in config.txt to be used.
> > >
> > > Signed-off-by: Jonathan Liu <net147 at gmail.com>
> > > ---
> > > Changes in v4:
> > >  - Backport patch from upstream instead of using own patch
> >
> > I had to make a few additional changes on top of this patch to get a
> > successful compile with u-boot v2016.03. These changes can be seen here:
> >
> > https://gitlab.com/pbarker/meta-raspberrypi/commit/
> > f880569e62d431cbead1555cf6c47342fe79c969
> >
> > After those changes though, everything worked as expected on both an
> > original rpi B+ and an rpi3.
> >
> > Does your patch work cleanly on a later version of u-boot? I know
> > oe-core is likely to upgrade to v2016.11 any day now. We could either
> > apply the changes I've linked to above or hold off until v2016.11 is
> > merged to oe-core if that's what you've tested with.
> >
> 
> Yes, my patch applies cleanly to v2016.11 as well. I only tested with
> Raspberry Pi 3 as I didn't have a Raspberry Pi 2 around at the time.
> The upstream commits landed in master after v2016.11 so backports will be
> needed until at least v2017.01.
> 
> Are you able to squash your changes into this patch and submit a v5 with
> your Signed-off-by tag?
> 

Will do. Currently in progress, will send once I've given it a quick
test.

Thanks,
Paul Barker