[U-Boot] [PATCH 7/7] sunxi: Add environment settings to make extlinux.conf booting work

Ian Campbell ijc at hellion.org.uk
Mon Aug 4 23:29:45 CEST 2014


On Fri, 2014-08-01 at 15:05 -0500, Dennis Gilmore wrote:
> On Fri, 01 Aug 2014 12:57:31 -0600
> Stephen Warren <swarren at wwwdotorg.org> wrote:
> 
> > On 08/01/2014 01:46 AM, Hans de Goede wrote:
> > > Automatic booting using an extlinux.conf file requires various
> > > environment variables to be set.
> > 
> > Acked-by: Stephen Warren <swarren at nvidia.com>
> > 
> > I'd personally be tempted to set fdt_high=0xffffffff, 
> > initrd_high=0xffffffff to stop U-Boot copying the DT/initrd from the 
> > load location to some other location under 256M, but that's just an 
> > optimization and entirely optional.
> 
> There has been quite a few times where using 0xffffff has caused
> issues. I really think you should set bootm_size to something
> reasonable.

Which we do FWIW, "bootm_size=0x10000000\0" is retained by this patch. I
think this was discussed/agreed during the initial upstreaming (but I've
not checked the archives to confirm my recollection)

Ian.



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