[U-Boot] [PATCH 09/24 V2] arch/powerpc/*/config.mk: makeCONFIG_SYS_LDSCRIPT settings work

[Haiying Wang]

On Thu, 2010-11-25 at 09:00 -0700, Wolfgang Denk wrote:
> As we try to get rid of board specific config.mk files we must
> provide a way for board specific settings of the LDSCRIPT variable
> (path to the linker script) where needed.
> 
> We now implement the following hierarchy:
> 
> - Highest priority has a "#define CONFIG_SYS_LDCONFIG" in the board
>   config file.
> - If CONFIG_SYS_LDCONFIG is not set, and the system is booting from
>   NAND (CONFIG_NAND_U_BOOT is set), then a board specific linker
>   script board/$(BOARDDIR)/u-boot-nand.lds gets use.

u-boot-nand.lds is not in board/$(BOARDDIR) for 85xx at least, it is in
$(SRCTREE)/$(CPUDIR)/

> - If we are not booting from NAND, we test if a processor specific
>   linker script arch/powerpc/cpu/$(CPU)/u-boot.lds exists; if so we
>   use that.
should we use $(CPUDIR) instead of arch/powerpc/cpu/$(CPU)?

Haiying