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14bf60deb8
MikroTik RB5009 uses RouterBoot as its bootloader like all MikroTik devices running RouterOS, meaning that its not FIT compatible and can only boot ELF images. Now this is not so much of an issue on ARM or MIPS since kernel supports appending DTB-s to it (Or we patch the kernel to embed it), but on ARM64 there is intentionally no such support. RouterBoot will pass a DTB, but its the broken MikroTik one which is a modified reference DTB and incorrect in more places than its valid so we cannot use it to boot our kernel. Thus, the solution is to use an intermediary loader and luckily for us Armada 7040 is well supported in U-Boot which makes it a great option since it supports anything that we will ever need to boot. Upstream U-Boot currently requires the Armada boards to be converted to OF_UPSTREAM before adding anything new and this requires updating all of the drivers to accomodate the Linux DTS, while I plan to do this eventually we will need to keep this board downstream for now. Most stuff is supported in U-Boot, including networking since the switch is preconfigured by RouterBoot. A custom environment is used to try and boot from the following devices: 1. NAND (UBI) 2. USB 3. Networking If NAND boot fails then U-Boot will attempt to boot OpenWrt initramfs from USB or via networking. There is a manual recovery mechanism implemented where if the reset button is held when U-Boot is booting it will try to boot OpenWrt initramfs from: 1. USB 2. Networking When U-Boot is in recovery mode it will light all of the LED-s except the switch ones. Link: https://github.com/openwrt/openwrt/pull/15765 Signed-off-by: Robert Marko <robimarko@gmail.com>
90 lines
1.8 KiB
Makefile
90 lines
1.8 KiB
Makefile
#
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# Copyright (C) 2016 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)/kernel.mk
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PKG_VERSION:=2024.04
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PKG_RELEASE:=1
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PKG_HASH:=18a853fe39fad7ad03a90cc2d4275aeaed6da69735defac3492b80508843dd4a
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include $(INCLUDE_DIR)/u-boot.mk
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include $(INCLUDE_DIR)/package.mk
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include $(INCLUDE_DIR)/host-build.mk
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define U-Boot/Default
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BUILD_TARGET:=mvebu
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HIDDEN:=1
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endef
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define U-Boot/clearfog
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NAME:=SolidRun ClearFog A1
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BUILD_DEVICES:=solidrun_clearfog-base-a1 solidrun_clearfog-pro-a1
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BUILD_SUBTARGET:=cortexa9
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UBOOT_IMAGE:=u-boot-with-spl.kwb
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endef
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define U-Boot/helios4
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NAME:=Kobol Helios 4
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BUILD_DEVICES:=kobol_helios4
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BUILD_SUBTARGET:=cortexa9
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UBOOT_IMAGE:=u-boot-with-spl.kwb
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endef
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define U-Boot/omnia
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NAME:=Turris Omnia
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BUILD_DEVICES:=cznic_turris-omnia
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BUILD_SUBTARGET:=cortexa9
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UBOOT_CONFIG:=turris_omnia
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UBOOT_IMAGE:=u-boot-with-spl.kwb
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endef
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define U-Boot/espressobin
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NAME:=Marvell ESPRESSObin
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BUILD_SUBTARGET:=cortexa53
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UBOOT_CONFIG:=mvebu_espressobin-88f3720
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endef
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define U-Boot/uDPU
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NAME:=Methode uDPU
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BUILD_SUBTARGET:=cortexa53
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endef
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define U-Boot/eDPU
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NAME:=Methode eDPU
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BUILD_SUBTARGET:=cortexa53
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endef
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define U-Boot/rb5009
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NAME:=MikroTik RB5009
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BUILD_SUBTARGET:=cortexa72
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BUILD_DEVICES:=mikrotik_rb5009
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UBOOT_CONFIG:=mvebu_rb5009
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UBOOT_IMAGE:=u-boot.elf
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endef
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UBOOT_TARGETS:= \
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clearfog \
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helios4 \
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omnia \
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espressobin \
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uDPU \
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eDPU \
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rb5009
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define Package/u-boot/install
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$(if $(findstring cortexa53,$(BUILD_SUBTARGET)),,$(Package/u-boot/install/default))
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endef
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define Build/InstallDev
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$(INSTALL_DIR) $(STAGING_DIR_IMAGE)
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$(CP) $(PKG_BUILD_DIR)/$(UBOOT_IMAGE) $(STAGING_DIR_IMAGE)/$(BUILD_VARIANT)-$(UBOOT_IMAGE)
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endef
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$(eval $(call BuildPackage/U-Boot))
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