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 # board-specific Flattened Image Tree
  15 define mkfit
  16         /bin/sh $(LINUX_DIR)/scripts/mkits.sh -A arm -C none -a $(2) -e $(2) \
  17                 -v 'OpenWrt Linux-$(LINUX_VERSION)' \
  18                 -d $(LINUX_DIR)/arch/arm/boot/dts/$(1).dtb -k $(LINUX_DIR)/arch/arm/boot/zImage \
  19                 -o $(KDIR)/$(1)-uImage.its
  20         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/$(1)-uImage.its $(BIN_DIR)/openwrt-$(1)-uImage.itb
  21 endef
  22
  23 # emit FIT images, DTB's and generic zImage
  24 define Image/BuildKernel
  25         $(foreach board,$(BOARDS),
  26                 $(call mkfit,$(board),0x10008000)
  27                 cp $(LINUX_DIR)/arch/arm/boot/dts/$(board).dtb $(BIN_DIR)
  28         )
  29         cp $(KDIR)/zImage $(BIN_DIR)/openwrt-$(BOARD)-zImage
  30 endef
  31
  32 # board-specific sysupgrade image
  33 define BuildFirmware/Generic
  34         dd if=$(BIN_DIR)/openwrt-$(1)-uImage.itb of=$(KDIR)/uImage.pad bs=64k conv=sync; \
  35         dd if=$(KDIR)/root.$(2) of=$(KDIR)/root.$(2).pad bs=128k conv=sync; \
  36         sh $(TOPDIR)/scripts/combined-image.sh \
  37                 $(KDIR)/uImage.pad \
  38                 $(KDIR)/root.$(2).pad \
  39                 $(BIN_DIR)/$(IMG_PREFIX)-$(patsubst jffs2-%,jffs2,$(patsubst squashfs-%,squashfs,$(1)))-sysupgrade.bin
  40 endef
  41
  42 define Image/Build
  43         $(call Image/Build/$(1),$(1))
  44         $(foreach board,$(BOARDS),
  45                 $(call BuildFirmware/Generic,$(board),$(1))
  46         )
  47 endef
  48
  49 # rootfs and board-specific combined kernel+rootfs for convenience
  50 define Image/Build/squashfs
  51         $(call prepare_generic_squashfs,$(KDIR)/root.$(1))
  52         dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/openwrt-$(BOARD)-$(1).img bs=128k conv=sync
  53         $(foreach board,$(BOARDS),
  54                 ( \
  55                 dd if=$(BIN_DIR)/openwrt-$(board)-uImage.itb bs=2048k conv=sync; \
  56                 dd if=$(KDIR)/root.$(1) bs=64k conv=sync; \
  57                 ) > $(BIN_DIR)/$(IMG_PREFIX)-$(board)-$(1).bin
  58         )
  59 endef
  60
  61 $(eval $(call BuildImage))