[PATCH 17/19] bootwrapper: compatibility layer for old U-Boots (a.k.a. cuImage, cuboot)

Scott Wood scottwood at freescale.com
Wed Mar 14 02:28:20 EST 2007


On Mon, Mar 12, 2007 at 02:42:04PM -0600, Scott Wood wrote:
> +config CUIMAGE_DTS
> +	string "Device tree source file"
> +	depends on DEFAULT_UIMAGE
> +	help
> +	  This specifies the device tree source (.dts) file to be
> +	  compiled and included when building the cuImage target.  If a
> +	  relative filename is given, then it will be relative to
> +	  arch/powerpc/boot/dts.
> +
> +	  The cuImage target is used for booting on older U-Boot (and
> +	  PPCBoot) bootloaders that pass a bd_t instead of a device tree.
> +	  Such a kernel will not work with a newer U-Boot that passes the
> +	  device tree itself.  If your U-Boot does not mention a device
> +	  tree in "help bootm", then use the uImage target instead of
> +	  cuImage.

Oops, this should say, 'If your U-Boot does not mention a device tree in
"help bootm", then use the cuImage target.  Otherwise, use uImage.'

-Scott



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