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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 $$(($(CONFIG_BRCM2708_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
- ### Image scripts ###
- define Build/kernel-img
- perl $(LINUX_DIR)/scripts/mkknlimg $@ $@.tmp
- mv $@.tmp $@
- endef
- define Build/boot-img
- rm -f $@.boot
- mkfs.fat -C $@.boot $(FAT32_BLOCKS)
- mcopy -i $@.boot $(LINUX_DIR)/COPYING ::COPYING.linux
- mcopy -i $@.boot $(KDIR)/bootcode.bin ::
- mcopy -i $@.boot $(KDIR)/LICENCE.broadcom ::
- mcopy -i $@.boot $(KDIR)/start.elf ::
- mcopy -i $@.boot $(KDIR)/start_cd.elf ::
- mcopy -i $@.boot $(KDIR)/fixup.dat ::
- mcopy -i $@.boot $(KDIR)/fixup_cd.dat ::
- mcopy -i $@.boot cmdline.txt ::
- mcopy -i $@.boot config.txt ::
- mcopy -i $@.boot $(word 1,$^) ::kernel.img
- $(foreach dts,$(shell echo $(DEVICE_DTS)),mcopy -i $@.boot $(DTS_DIR)/$(dts).dtb ::;)
- mmd -i $@.boot ::/overlays
- mcopy -i $@.boot $(DTS_DIR)/overlays/*.dtbo ::/overlays/
- mcopy -i $@.boot $(DTS_DIR)/overlays/README ::/overlays/
- endef
- define Build/sdcard-img
- ./gen_rpi_sdcard_img.sh $@ $@.boot $(word 2,$^) \
- $(CONFIG_BRCM2708_SD_BOOT_PARTSIZE) $(CONFIG_TARGET_ROOTFS_PARTSIZE)
- $(if $(CONFIG_TARGET_IMAGES_GZIP),gzip -9n -c $@ > $(BIN_DIR)/$(notdir $@).gz)
- endef
- ### Device macros ###
- define Device/Default
- FILESYSTEMS := ext4
- PROFILES = Default $$(DEVICE_PROFILE)
- KERNEL := kernel-bin | kernel-img
- IMAGES := sdcard.img
- IMAGE/sdcard.img := boot-img | sdcard-img
- DEVICE_PROFILE :=
- DEVICE_DTS :=
- endef
- DEVICE_VARS += DEVICE_PROFILE DEVICE_DTS
- # $(1) = profile
- # $(2) = image name
- # $(3) = dts
- define bcm27xx
- define Device/$(2)
- DEVICE_PROFILE := $(1)
- DEVICE_DTS := $(3)
- endef
- TARGET_DEVICES += $(2)
- endef
- ### BCM2708/BCM2835 ###
- ifeq ($(SUBTARGET),bcm2708)
- # Raspberry Pi Models B/B+/CM
- $(eval $(call bcm27xx,RaspberryPi,rpi,bcm2708-rpi-b bcm2708-rpi-b-plus bcm2708-rpi-cm))
- endif
- ### BCM2709/BCM2836 ###
- ifeq ($(SUBTARGET),bcm2709)
- # Raspberry Pi 2 Model B
- $(eval $(call bcm27xx,RaspberryPi_2,rpi-2,bcm2709-rpi-2-b))
- endif
- ### BCM2710/BCM2837 ###
- ifeq ($(SUBTARGET),bcm2710)
- # Raspberry Pi 3 Model B
- $(eval $(call bcm27xx,RaspberryPi_3,rpi-3,bcm2710-rpi-3-b))
- endif
- $(eval $(call BuildImage))
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