[U-Boot] [RFC] Makefile: Add a message warning size change for mpc85xx boards

[York Sun <yorksun@freescale.com>]

This is an RFC. Do NOT apply. It outputs the message, tricks MAKEALL to count it
as warning.

York


On 07/29/2014 02:23 PM, York Sun wrote:
> Some mpc85xx boards are using 768KB size u-boot image while some
> legacy boards still use 512KB. To bring attention to users about
> the size change, a message is printed when compiling. SPL/PBL is
> not covered by this change.
> 
> Signed-off-by: York Sun <yorksun@freescale.com>
> CC: Kim Phillips <kim.phillips@freescale.com>
> ---
>  Makefile |   12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/Makefile b/Makefile
> index ca212b5..5c823dc 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -691,8 +691,20 @@ BOARD_SIZE_CHECK = \
>  		exit 1; \
>  	fi
>  else
> +ifdef CONFIG_MPC85xx
> +BOARD_SIZE_CHECK = \
> +	@actual=`wc -c $@ | awk '{print $$1}'`; \
> +	limit=524288; \
> +	if test $$actual -gt $$limit; then \
> +		echo "Attention: File size $$actual bytes, may be different from legacy images" >&2; \
> +		offset=`printf "%x" $$actual`; \
> +		echo "           NOR flash address for u-boot.bin: 0x$$offset from end of boot bank" >&2; \
> +		echo "           See board README"; \
> +	fi
> +else
>  BOARD_SIZE_CHECK =
>  endif
> +endif
>  
>  # Statically apply RELA-style relocations (currently arm64 only)
>  ifneq ($(CONFIG_STATIC_RELA),)
>