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81 lines
2.2 KiB
Makefile
81 lines
2.2 KiB
Makefile
#
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# Copyright (C) 2012-2015 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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include $(INCLUDE_DIR)/image.mk
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include $(INCLUDE_DIR)/host.mk
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FAT32_BLOCK_SIZE=1024
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FAT32_BLOCKS=$(shell echo $$(($(CONFIG_BRCM2708_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
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### Image scripts ###
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define Build/kernel-img
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perl $(LINUX_DIR)/scripts/mkknlimg $@ $@.tmp
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mv $@.tmp $@
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endef
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define Build/boot-img
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rm -f $@.boot
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mkfs.fat -C $@.boot $(FAT32_BLOCKS)
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mcopy -i $@.boot $(KDIR)/bootcode.bin ::
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mcopy -i $@.boot $(KDIR)/COPYING.linux ::
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mcopy -i $@.boot $(KDIR)/LICENCE.broadcom ::
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mcopy -i $@.boot $(KDIR)/start.elf ::
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mcopy -i $@.boot $(KDIR)/start_cd.elf ::
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mcopy -i $@.boot $(KDIR)/fixup.dat ::
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mcopy -i $@.boot $(KDIR)/fixup_cd.dat ::
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mcopy -i $@.boot cmdline.txt ::
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mcopy -i $@.boot config.txt ::
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mcopy -i $@.boot $(word 1,$^) ::kernel.img
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$(foreach dts,$(shell echo $(DEVICE_DTS)),mcopy -i $@.boot $(DTS_DIR)/$(dts).dtb ::;)
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mmd -i $@.boot ::/overlays
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mcopy -i $@.boot $(DTS_DIR)/overlays/*.dtb ::/overlays/
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mcopy -i $@.boot $(DTS_DIR)/overlays/README ::/overlays/
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endef
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define Build/sdcard-img
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./gen_rpi_sdcard_img.sh $@ $@.boot $(word 2,$^) \
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$(CONFIG_BRCM2708_SD_BOOT_PARTSIZE) $(CONFIG_TARGET_ROOTFS_PARTSIZE)
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$(if $(CONFIG_TARGET_IMAGES_GZIP),gzip -9n -c $@ > $(BIN_DIR)/$(notdir $@).gz)
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endef
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### Device macros ###
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define Device/Default
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FILESYSTEMS := ext4
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PROFILES = Default $$(DEVICE_PROFILE)
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KERNEL := kernel-bin | kernel-img
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IMAGES := sdcard.img
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IMAGE/sdcard.img := boot-img | sdcard-img
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DEVICE_PROFILE :=
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DEVICE_DTS :=
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endef
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DEVICE_VARS += DEVICE_PROFILE DEVICE_DTS
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# $(1) = profile
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# $(2) = image name
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# $(3) = dts
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define bcm270x
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define Device/$(2)
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DEVICE_PROFILE := $(1)
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DEVICE_DTS := $(3)
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endef
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TARGET_DEVICES += $(2)
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endef
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### BCM2708/BCM2835 ###
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ifeq ($(SUBTARGET),bcm2708)
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# Raspberry Pi Models B/B+/CM
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$(eval $(call bcm270x,RaspberryPi,rpi,bcm2708-rpi-b bcm2708-rpi-b-plus bcm2708-rpi-cm))
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endif
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### BCM2709/BCM2836 ###
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ifeq ($(SUBTARGET),bcm2709)
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# Raspberry Pi 2 Model B
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$(eval $(call bcm270x,RaspberryPi_2,rpi-2,bcm2709-rpi-2-b))
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endif
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$(eval $(call BuildImage))
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