target/linux/imx6/image/Makefile

   1 #
   2 # Copyright (C) 2013 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7 include $(TOPDIR)/rules.mk
   8 include $(INCLUDE_DIR)/image.mk
   9
  10 BOARDS := \
  11         imx6dl-wandboard
  12
  13 # board-specific Flattened Image Tree
  14 define mkfit
  15         /bin/sh $(LINUX_DIR)/scripts/mkits.sh -A arm -C none -a $(2) -e $(2) \
  16                 -v 'OpenWrt Linux-$(LINUX_VERSION)' \
  17                 -d $(LINUX_DIR)/arch/arm/boot/dts/$(1).dtb -k $(LINUX_DIR)/arch/arm/boot/zImage \
  18                 -o $(KDIR)/$(1)-uImage.its
  19         mkimage -B $(LINUX_DIR)/scripts/dtc/dtc -f $(KDIR)/$(1)-uImage.its $(BIN_DIR)/openwrt-$(1)-uImage.itb
  20 endef
  21
  22 # emit FIT images, DTB's and generic zImage
  23 define Image/BuildKernel
  24         $(foreach board,$(BOARDS),
  25                 $(call mkfit,$(board),0x10008000)
  26                 cp $(LINUX_DIR)/arch/arm/boot/dts/$(board).dtb $(BIN_DIR)
  27         )
  28         cp $(LINUX_DIR)/arch/arm/boot/zImage $(BIN_DIR)/openwrt-$(BOARD)-zImage
  29 endef
  30
  31 # board-specific sysupgrade image
  32 define BuildFirmware/Generic
  33         dd if=$(BIN_DIR)/openwrt-$(1)-uImage.itb of=$(KDIR)/uImage.pad bs=64k conv=sync; \
  34         dd if=$(KDIR)/root.$(2) of=$(KDIR)/root.$(2).pad bs=128k conv=sync; \
  35         sh $(TOPDIR)/scripts/combined-image.sh \
  36                 $(KDIR)/uImage.pad \
  37                 $(KDIR)/root.$(2).pad \
  38                 $(BIN_DIR)/$(IMG_PREFIX)-$(patsubst jffs2-%,jffs2,$(patsubst squashfs-%,squashfs,$(1)))-sysupgrade.bin
  39 endef
  40
  41 define Image/Build
  42         $(call Image/Build/$(1),$(1))
  43         $(foreach board,$(BOARDS),
  44                 $(call BuildFirmware/Generic,$(board),$(1))
  45         )
  46 endef
  47
  48 # rootfs and board-specific combined kernel+rootfs for convenience
  49 define Image/Build/squashfs
  50         $(call prepare_generic_squashfs,$(KDIR)/root.$(1))
  51         dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/openwrt-$(BOARD)-$(1).img bs=128k conv=sync
  52         $(foreach board,$(BOARDS),
  53                 ( \
  54                 dd if=$(BIN_DIR)/openwrt-$(board)-uImage.itb bs=2048k conv=sync; \
  55                 dd if=$(KDIR)/root.$(1) bs=64k conv=sync; \
  56                 ) > $(BIN_DIR)/$(IMG_PREFIX)-$(board)-$(1).bin
  57         )
  58 endef
  59
  60 $(eval $(call BuildImage))