[U-Boot] AM335X: Set fdt_high for AM335X devices to enable booting with Device Tree

[Tom Rini]

On Tue, Sep 18, 2012 at 09:26:05AM -0000, hvaibhav at ti.com wrote:

> For AM335X boards, such as the EVM and Bone Linux kernel fails to
> locate the device tree blob on boot. The reason being is that
> u-boot is copying the DT blob to the upper part of RAM when booting
> the kernel and the kernel is unable to access the blob.
> By setting the fdt_high variable to 0xffffffff (to prevent the copy)
> the kernel is able to locate the DT blob and boot.
> 
> This patch is tested on BeagleBone platform.
> 
> Signed-off-by: Vaibhav Hiremath <hvaibhav at ti.com>
> Cc: Tom Rini <trini at ti.com>

So, a "funny" thing happened along the way since this patch.  The newest
revision of the EVM includes 1GB of DDR and thus we do now need this
patch.  Applied to u-boot-ti/master, thanks!

-- 
Tom
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