add CONFIG_RELOCATABLE

arch/ppc/Kconfig

@@ -1,21 +1,37 @@
 
 config TEXT_BASE
-	string
-	default "0x1000000" if MACH_PHYCORE_MPC5200B_TINY
+	default 0 if RELOCATABLE
+	default 0x1000000 if MACH_PHYCORE_MPC5200B_TINY
 
+config MPC5XXX_EARLY_CONSOLE
+	bool
+	default y
+
+config ARCH_HAS_RELOC
+	bool
+	default y
+
+config PPC
+	bool
+	default y
+
+# Uh, we should decide which one we want to use
 config ARCH_MPC5200
 	bool
 
 config MPC5200
 	bool
 
+config MPC5xxx
+	bool
+
 config CACHELINE_SIZE
 	int
-	default 32 if MPC5200
+	default 32 if ARCH_MPC5200
 
 config HAS_REGINFO
 	bool
-	default y if MPC5200
+	default y if ARCH_MPC5200
 
 choice
 	prompt "Select your board"
@@ -24,6 +40,7 @@ config MACH_PHYCORE_MPC5200B_TINY
 	bool "Phycore mpc5200b tiny"
 	select ARCH_MPC5200
 	select MPC5200
+	select MPC5xxx
 	select HAS_CFI
 	help
 	  Say Y here if you are using the Phytec Phycore MPC5200B Tiny

arch/ppc/Makefile

@@ -1,8 +1,12 @@
 
-CPPFLAGS += -fno-builtin -ffreestanding -nostdinc -Wall 	\
+CPPFLAGS += -fno-builtin -ffreestanding -nostdinc -Wall -ffixed-r14 	\
 	-isystem $(gccincdir) -meabi -Wstrict-prototypes -D __PPC__ -D CONFIG_PPC \
 	-fno-strict-aliasing
 
+ifdef CONFIG_RELOCATABLE
+CPPFLAGS += -fPIC -mrelocatable
+endif
+
 
 machine-$(CONFIG_ARCH_MPC5200)			:= mpc5200
 board-$(CONFIG_MACH_PHYCORE_MPC5200B_TINY)	:= phycore_mpc5200b_tiny

common/Kconfig

@@ -4,6 +4,24 @@ config GREGORIAN_CALENDER
 
 menu "General Settings              "
 
+
+config TEXT_BASE
+	prompt "TEXT_BASE"
+	hex
+	help
+	  The Address U-Boot gets linked at.
+
+config RELOCATABLE
+	depends on PPC
+	bool "generate relocatable U-Boot binary"
+	help
+	  A non relocatable U-Boot binary will run at it's compiled in
+	  link address in RAM. This leads to smaller image sizes but may
+	  put U-Boot just in the middle of RAM. With this option enabled
+	  instead U-Boot can determine this address at runtime and thus
+	  allowing it to relocate to the end of the available RAM. This
+	  way you have the whole memory in a single piece.
+
 config BROKEN
 	bool
 	prompt "Prompt for broken or incomplete code"