add rb532 support

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@3956 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/image/rb532/Makefile

@@ -0,0 +1,50 @@
+include ../image.mk
+
+LOADADDR = 0x81000000		# RAM start + 16M 
+KERNEL_ENTRY = 0x80101000
+RAMSIZE = 0x00100000		# 1MB
+IMAGE_COPY = 1
+
+LOADER_MAKEOPTS= \
+		KDIR=$(KDIR) \
+		LOADADDR=$(LOADADDR) \
+		KERNEL_ENTRY=$(KERNEL_ENTRY) \
+		RAMSIZE=$(RAMSIZE) \
+		IMAGE_COPY=$(IMAGE_COPY)
+
+define Build/Clean
+	$(MAKE) -C ../generic/lzma-loader $(LOADER_MAKEOPTS) clean
+endef
+
+define Image/Prepare
+	cat $(KDIR)/vmlinux | $(STAGING_DIR)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
+	$(MAKE) -C ../generic/lzma-loader $(LOADER_MAKEOPTS) clean compile
+endef
+
+define Image/BuildKernel
+	$(CP) $(KDIR)/loader.elf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux
+endef
+
+PARTITION1=\x80\x01\x01\x00\x27\x01\x20\x7b\x20\x00\x00\x00\xe0\x1e\x00\x00# 4 MB  (kernel part)
+PARTITION2=\x00\x00\x01\x7c\x83\x01\xa0\x64\x00\x1f\x00\x00\x40\x7a\x00\x00# 16 MB (rootfs part)
+
+define Image/Build/jffs2-128k
+	( \
+		echo -ne OWRT | dd bs=$$$$((0x1be)) conv=sync; \
+		( \
+			echo -ne '$(strip $(PARTITION1))'; \
+			echo -ne '$(strip $(PARTITION2))'; \
+		) | dd bs=$$$$((0x40)) conv=sync; \
+		echo -ne '\x55\xaa'; \
+		dd if=/dev/zero bs=$$$$((0x3e00)) conv=sync count=1; \
+		dd if=$(KDIR)/loader.elf bs=$$$$((0x3dc000)) conv=sync; \
+		cat $(KDIR)/root.$(1); \
+		echo -ne '\xde\xad\xc0\xde'; \
+	) > $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin
+endef
+
+define Image/Build
+	$(call Image/Build/$(1),$(1))
+endef
+
+$(eval $(call BuildImage))