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62 lines
1.9 KiB
Makefile
62 lines
1.9 KiB
Makefile
#
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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 $(INCLUDE_DIR)/image.mk
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DEVICE_VARS += UBOOT_DEVICE_NAME
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define Build/Compile
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$(CP) $(LINUX_DIR)/COPYING $(KDIR)/COPYING.linux
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endef
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### Image scripts ###
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define Build/boot-common
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# This creates a new folder copies the dtb (as rockchip.dtb)
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# and the kernel image (as kernel.img)
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rm -fR $@.boot
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mkdir -p $@.boot
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$(CP) $(DTS_DIR)/$(DEVICE_DTS).dtb $@.boot/rockchip.dtb
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$(CP) $(IMAGE_KERNEL) $@.boot/kernel.img
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endef
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define Build/boot-script
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# Make an U-boot image and copy it to the boot partition
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mkimage -A arm -O linux -T script -C none -a 0 -e 0 -d $(if $(1),$(1),mmc).bootscript $@.boot/boot.scr
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endef
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define Build/pine64-img
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# Creates the final SD/eMMC images,
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# combining boot partition, root partition as well as the u-boot bootloader
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# Generate a new partition table in $@ with 32 MiB of
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# alignment padding for the idbloader and u-boot to fit:
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# http://opensource.rock-chips.com/wiki_Boot_option#Boot_flow
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#
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# U-Boot SPL expects the U-Boot ITB to be located at sector 0x4000 (8 MiB) on the MMC storage
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$(SCRIPT_DIR)/gen_image_generic.sh \
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$@ \
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$(CONFIG_TARGET_KERNEL_PARTSIZE) $@.boot \
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$(CONFIG_TARGET_ROOTFS_PARTSIZE) $(IMAGE_ROOTFS) \
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32768
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# Copy the idbloader and the u-boot image to the image at sector 0x40 and 0x4000
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dd if="$(STAGING_DIR_IMAGE)"/$(UBOOT_DEVICE_NAME)-idbloader.img of="$@" seek=64 conv=notrunc
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dd if="$(STAGING_DIR_IMAGE)"/$(UBOOT_DEVICE_NAME)-u-boot.itb of="$@" seek=16384 conv=notrunc
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endef
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### Devices ###
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define Device/Default
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PROFILES := Default
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KERNEL := kernel-bin
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IMAGES := sysupgrade.img.gz
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SUPPORTED_DEVICES := $(subst _,$(comma),$(1))
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DEVICE_DTS = rockchip/$$(SOC)-$(lastword $(subst _, ,$(1)))
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endef
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include $(SUBTARGET).mk
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$(eval $(call BuildImage))
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