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         imx6q-gw5400-a
  13
  14 # emit FIT images, DTB's and generic zImage
  15 define Image/BuildKernel
  16         $(foreach board,$(BOARDS),
  17                 cp $(LINUX_DIR)/arch/arm/boot/dts/$(board).dtb $(BIN_DIR)/$(IMG_PREFIX)-$(board).dtb
  18
  19                 $(call Image/BuildKernel/MkFIT,$(board),$(KDIR)/zImage,$(BIN_DIR)/$(IMG_PREFIX)-$(board).dtb,none,0x10008000,0x10008000)
  20                 cp $(KDIR)/fit-$(board).itb $(BIN_DIR)/$(IMG_PREFIX)-$(board)-uImage.itb
  21
  22  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
  23                 $(call Image/BuildKernel/MkFIT,$(board),$(KDIR)/zImage-initramfs,$(BIN_DIR)/$(IMG_PREFIX)-$(board).dtb,none,0x10008000,0x10008000,-initramfs)
  24                 cp $(KDIR)/fit-$(board)-initramfs.itb $(BIN_DIR)/$(IMG_PREFIX)-$(board)-uImage-initramfs.itb
  25  endif
  26         )
  27
  28         cp $(KDIR)/zImage $(BIN_DIR)/$(IMG_PREFIX)-zImage
  29
  30  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
  31         cp $(KDIR)/zImage-initramfs $(BIN_DIR)/$(IMG_PREFIX)-zImage-initramfs
  32  endif
  33 endef
  34
  35 # board-specific sysupgrade image
  36 define BuildFirmware/Generic
  37         dd if=$(BIN_DIR)/$(IMG_PREFIX)-$(1)-uImage.itb of=$(KDIR)/uImage.pad bs=64k conv=sync; \
  38         dd if=$(KDIR)/root.$(2) of=$(KDIR)/root.$(2).pad bs=128k conv=sync; \
  39         sh $(TOPDIR)/scripts/combined-image.sh \
  40                 $(KDIR)/uImage.pad \
  41                 $(KDIR)/root.$(2).pad \
  42                 $(BIN_DIR)/$(IMG_PREFIX)-$(patsubst jffs2-%,jffs2,$(patsubst squashfs-%,squashfs,$(1)))-sysupgrade.bin
  43 endef
  44
  45 define Image/Build
  46         $(call Image/Build/$(1),$(1))
  47         $(foreach board,$(BOARDS),
  48                 $(call BuildFirmware/Generic,$(board),$(1))
  49         )
  50 endef
  51
  52 # rootfs and board-specific combined kernel+rootfs for convenience
  53 define Image/Build/squashfs
  54         $(call prepare_generic_squashfs,$(KDIR)/root.$(1))
  55         dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-$(1).img bs=128k conv=sync; \
  56         $(foreach board,$(BOARDS),
  57                 ( \
  58                 dd if=$(BIN_DIR)/$(IMG_PREFIX)-$(board)-uImage.itb bs=2048k conv=sync; \
  59                 dd if=$(KDIR)/root.$(1) bs=64k conv=sync; \
  60                 ) > $(BIN_DIR)/$(IMG_PREFIX)-$(board)-$(1).bin
  61         )
  62 endef
  63
  64 $(eval $(call BuildImage))