[U-Boot] [PATCH] ARM: OMAP5: Set fdt_high to enable booting with Device tree

[Tom Rini]

On Thu, Mar 21, 2013 at 12:25:17PM +0530, Sricharan R wrote:

> While booting with dtblob, if fdt_high is not set to
> 0xffffffff, the dt blob is relocated to a higher address,
> which the kernel is not able to use without HIGHMEM.
> 
> So set it to 0xffffffff to avoid the issue.
> 
> Signed-off-by: Sricharan R <r.sricharan at ti.com>

That's fine, but while we're making this DT-happy, lets add fdtaddr to
the env (so there's a good default and safe address to load the DT to)
and make the default boot commands load and pass the DT.  That means
that we need to make sure that you probably need to enable
CONFIG_ENV_VARS_UBOOT_CONFIG and perhaps
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG (and see board/ti/am335x/board.c
for an example) so that we pick out the right DT file to load.

-- 
Tom
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