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- #
- # Copyright (C) 2012-2015 OpenWrt.org
- #
- # This is free software, licensed under the GNU General Public License v2.
- # See /LICENSE for more information.
- #
- include $(TOPDIR)/rules.mk
- include $(INCLUDE_DIR)/image.mk
- include $(INCLUDE_DIR)/host.mk
- FAT32_BLOCK_SIZE=1024
- FAT32_BLOCKS=$(shell echo $$(($(CONFIG_BRCM2708_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
- ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
- define Image/gzip
- gzip -9n -c $(1) > $(1).gz
- mv $(1).gz $(BIN_DIR)
- endef
- else
- define Image/gzip
- endef
- endif
- ### Image scripts ###
- define Build/gen-cfg
- cat config.txt > [email protected]
- echo -e "\ndevice_tree=$(DEVICE_DTS).dtb" >> [email protected]
- endef
- define Build/boot-img
- rm -f [email protected]
- mkfs.fat -C [email protected] $(FAT32_BLOCKS)
- mcopy -i [email protected] $(KDIR)/bootcode.bin ::
- mcopy -i [email protected] $(KDIR)/COPYING.linux ::
- mcopy -i [email protected] $(KDIR)/LICENCE.broadcom ::
- mcopy -i [email protected] $(KDIR)/start.elf ::
- mcopy -i [email protected] $(KDIR)/start_cd.elf ::
- mcopy -i [email protected] $(KDIR)/fixup.dat ::
- mcopy -i [email protected] $(KDIR)/fixup_cd.dat ::
- mcopy -i [email protected] cmdline.txt ::
- mcopy -i [email protected] [email protected] ::config.txt
- mcopy -i [email protected] $(word 1,$^) ::kernel.img
- mcopy -i [email protected] $(DTS_DIR)/$(DEVICE_DTS).dtb ::$(DEVICE_DTS).dtb
- mmd -i [email protected] ::/overlays
- mcopy -i [email protected] $(DTS_DIR)/overlays/*.dtb ::/overlays/
- mcopy -i [email protected] $(DTS_DIR)/overlays/README ::/overlays/
- endef
- define Build/sdcard-img
- ./gen_rpi_sdcard_img.sh $@ [email protected] $(word 2,$^) \
- $(CONFIG_BRCM2708_SD_BOOT_PARTSIZE) $(CONFIG_TARGET_ROOTFS_PARTSIZE)
- $(call Image/gzip,$@)
- endef
- ### Device macros ###
- define Device/Default
- FILESYSTEMS := ext4
- PROFILES = Default $$(DEVICE_PROFILE)
- KERNEL := kernel-bin
- IMAGES := sdcard.bin
- IMAGE/sdcard.bin := gen-cfg | boot-img | sdcard-img
- DEVICE_PROFILE :=
- DEVICE_DTS :=
- endef
- DEVICE_VARS += DEVICE_PROFILE DEVICE_DTS
- # $(1) = profile
- # $(2) = image name
- # $(3) = dts
- define add_bcm2708
- define Device/$(2)
- DEVICE_PROFILE := $(1)
- DEVICE_DTS := $(3)
- endef
- TARGET_DEVICES += $(2)
- endef
- ### BCM2708/BCM2835 ###
- ifeq ($(SUBTARGET),bcm2708)
- # Raspberry Pi Model B
- $(eval $(call add_bcm2708,RaspberryPi_B,rpi-b,bcm2708-rpi-b))
- # Raspberry Pi Model B+
- $(eval $(call add_bcm2708,RaspberryPi_BPlus,rpi-b-plus,bcm2708-rpi-b-plus))
- # Raspberry Pi Compute Module
- $(eval $(call add_bcm2708,RaspberryPi_CM,rpi-cm,bcm2708-rpi-cm))
- endif
- ### BCM2709/BCM2836 ###
- ifeq ($(SUBTARGET),bcm2709)
- # Raspberry Pi 2 Model B
- $(eval $(call add_bcm2708,RaspberryPi_2,rpi-2-b,bcm2709-rpi-2-b))
- endif
- $(eval $(call BuildImage))
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