EXTRA_IMAGEDEPENDS += "sharp-flash-header-c700 zaurus-updater"
 
+ERASEBLOCKSIZE = "0x4000"
+ERASEBLOCKSIZE_akita = "0x20000"
+
 IMAGE_CMD_jffs2 = "mkfs.jffs2 --root=${IMAGE_ROOTFS} --faketime \
-                  --output=${T}/${IMAGE_NAME}.rootfs.jffs2 --pad --little-endian --eraseblock=0x4000 -n \
+                  --output=${T}/${IMAGE_NAME}.rootfs.jffs2 --pad --little-endian --eraseblock=${ERASEBLOCKSIZE} -n \
                   && sumtool -i ${T}/${IMAGE_NAME}.rootfs.jffs2 \
                    -o ${T}/${IMAGE_NAME}.rootfs.jffs2.summary \
-                   --eraseblock=0x4000 -l -p; \
+                   --eraseblock=${ERASEBLOCKSIZE} -l -p; \
                   cat ${STAGING_LIBDIR}/sharp-flash-header/header-c700.bin \
                   ${T}/${IMAGE_NAME}.rootfs.jffs2 > ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2; \
                   rm ${T}/${IMAGE_NAME}.rootfs.jffs2; \