layerscape: add SD card boot support

[openwrt/staging/wigyori.git] / target / linux / layerscape / image / Makefile

diff --git a/target/linux/layerscape/image/Makefile b/target/linux/layerscape/image/Makefile
index b275ef71cc282215d91e19444a52faa3d57baeda..a08cc2c2cbbc1b56bebe732c3dd4f47cd703988d 100644 (file)
--- a/target/linux/layerscape/image/Makefile
+++ b/target/linux/layerscape/image/Makefile
@@ -9,6 +9,10 @@ include $(INCLUDE_DIR)/image.mk
 
 ITB_BOARDS = traverse-five64
 
+LS_SD_ROOTFSPART_OFFSET = 64
+LS_SD_IMAGE_SIZE = $(shell echo $$((($(LS_SD_ROOTFSPART_OFFSET) + \
+       $(CONFIG_TARGET_ROOTFS_PARTSIZE)) * 1024 * 1024)))
+
 define Build/ls-clean
        rm -f $@
 endef
@@ -22,6 +26,12 @@ define Build/ls-append-dtb
        dd if=$(DTS_DIR)/$(1).dtb >> $@
 endef
 
+define Build/ls-append-sdhead
+       ./gen_sdcard_head_img.sh $(STAGING_DIR_IMAGE)/$(1)-sdcard-head.img \
+               $(LS_SD_ROOTFSPART_OFFSET) $(CONFIG_TARGET_ROOTFS_PARTSIZE)
+       dd if=$(STAGING_DIR_IMAGE)/$(1)-sdcard-head.img >> $@
+endef
+
 define Build/traverse-fit
        ./mkits-multiple-config.sh -o $@.its -A $(LINUX_KARCH) \
                -v $(LINUX_VERSION) -k $@ -a $(KERNEL_LOADADDR) \