Enable blackfin boot rom boot modes

Signed-Off-By: Enrik Berkhan <Enrik.Berkhan@ge.com>

arch/blackfin/Kconfig

@@ -27,6 +27,27 @@ config MACH_IPE337
 
 endchoice
 
+choice
+	prompt "Boot Mode"
+	default BFIN_BOOT_BYPASS
+
+config BFIN_BOOT_BYPASS
+	bool "bypass"
+	help
+	  blackfin is strapped to boot from parallel flash on CS0
+
+config BFIN_BOOT_FLASH8
+	bool "flash 8 bit"
+	help
+	  blackfin is strapped to boot from 8bit wide flash via boot ROM
+
+config BFIN_BOOT_FLASH16
+	bool "flash 16 bit"
+	help
+	  blackfin is strapped to boot from 16bit wide flash via boot ROM
+
+endchoice
+
 source common/Kconfig
 source commands/Kconfig
 source net/Kconfig

arch/blackfin/Makefile

@@ -13,6 +13,10 @@ CFLAGS := -fno-common -Os -D__blackfin__
 # -Ttext $(TEXT_BASE)
 KALLSYMS         += --symbol-prefix=_
 
+ifndef CONFIG_BFIN_BOOT_BYPASS
+all: uboot.ldr
+endif
+
 ifeq ($(incdir-y),)
 incdir-y := $(machine-y)
 endif
@@ -55,4 +59,18 @@ common-y += arch/blackfin/lib/ $(CPU)
 
 lds-y += $(BOARD)/u-boot.lds
 
-MRPROPER_FILES += include/asm-arm/arch include/asm-arm/proc
+MRPROPER_FILES += include/asm-blackfin/arch include/asm-blackfin/proc
+
+ifdef CONFIG_BFIN_BOOT_FLASH16
+FLASHBITS :=-B 16
+else
+FLASHBITS :=
+endif
+
+ifneq ($(cpu-y),)
+ifndef CONFIG_BFIN_BOOT_BYPASS
+uboot.ldr: uboot
+	rm -f $@
+	$(CROSS_COMPILE)ldr -T $(cpu-y) -c $(FLASHBITS) -i $(CPU)/init_sdram.o $@ $<
+endif
+endif