[EMAIL PROTECTED] wrote:
> hello,
> 
> under U-Boot, some board configuration files contain "flattened device 
> tree"
> elements, such as "OF_CPU", "OF_STDOUT_PATH", etc. while in booting 
> Linux, a
> separate file dtb is used.
> 
> if both are used, what's the relationship about them?
> 
> thanks.
> 
> -lxg

Processor and board are???

I believe your question is indicating that you are using an older 
version of u-boot with "CONFIG_OF_FLAT_TREE" defined.  This has been 
deprecated and has been removed in the latest u-boot.  The current code 
no longer defines or uses "OF_CPU", "OF_STDOUT_PATH", etc.

Please update your u-boot and switch to using CONFIG_OF_LIBFDT and dts 
files from a recent version of the linux kernel source (or edit your dts 
file to pick up the improvements shown in the linux version).

Don't forget to include an /aliases node pointing to the proper hardware 
configurations.  The u-boot code now uses that to find the fdt pieces 
for its fixups rather than "OF_CPU", "OF_STDOUT_PATH", etc.

Best regards,
gvb

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