ar71xx: update image generation and trx header parsing for the WRT160NL

* patch by Bernhard Loos
 * note: trailing whitespaces has been removed

SVN-Revision: 20525

target/linux/ar71xx/files/drivers/mtd/wrt160nl_part.c

@@ -123,12 +123,7 @@ static int wrt160nl_parse_partitions(struct mtd_info *master,
 		goto free_hdr;
 	}
 
-	kernel_len = uheader->ih_size / master->erasesize;
-	if (uheader->ih_size % master->erasesize)
-		kernel_len++;
-
-	kernel_len++;
-	kernel_len *= master->erasesize;
+	kernel_len = le32_to_cpu(theader->offsets[1]) + sizeof(struct cybertan_header);
 
 	trx_parts[0].name = "u-boot";
 	trx_parts[0].offset = 0;

target/linux/ar71xx/image/Makefile

@@ -318,16 +318,12 @@ endef
 define Image/Build/CyberTAN
 	$(call PatchKernelGzip,$(2),$(3))
 	$(call MkImageGzip,$(KDIR)/vmlinux-$(2).bin.gz,$(KDIR)/vmlinux-$(2).uImage)
-	( \
-		dd if=$(KDIR)/vmlinux-$(2).uImage bs=64k conv=sync; \
-		dd if=/dev/zero bs=1 count=65476; \
-		dd if=$(KDIR)/root.$(1) bs=64k; \
-	) > $(KDIR)/vmlinux-$(2).image
-	$(STAGING_DIR_HOST)/bin/trx -o $(KDIR)/vmlinux-$(2).trx \
-		-f $(KDIR)/vmlinux-$(2).image
-	-$(STAGING_DIR_HOST)/bin/addpattern -B $(2) -v v$(4) -g \
-		-i $(KDIR)/vmlinux-$(2).trx \
+	$(STAGING_DIR_HOST)/bin/trx -o $(KDIR)/image.tmp -f $(KDIR)/vmlinux-$(2).uImage \
+		-x 32 -a 0x10000 -x -32 -f $(KDIR)/root.$(1)
+	-$(STAGING_DIR_HOST)/bin/addpattern -B $(2) -v v$(4) \
+		-i $(KDIR)/image.tmp \
 		-o $(call imgname,$(1),$(2)).bin
+	rm $(KDIR)/image.tmp
 endef
 
 wndr3700_mtdlayout=mtdparts=spi0.0:320k(u-boot)ro,128k(u-boot-env)ro,1024k(kernel),6656k(rootfs),64k(art)ro,7680k@0x70000(firmware)