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* Remove the reference to LEDs flashing with mass-storage-gadget because this code was removed. * Mention LUKS / rpi-otp-private-key in the secure-boot section. * Add a link to the PIP * Drop reference to make-boot-image - just use buildroot.
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This also resolve a startup issue CM4-S
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Ideally, the bootloader EEPROM should be updated before using bootcode4 to run Linux so that full SDRAM init can be loaded. This version fails over to a generic slow configuration if BRCM DDR FW is not found.
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The secure-boot-example/boot.img has been replaced with the mass-storage-gadget Linux OS image because it already supported login, hdmi and ethernet.
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Replace the example boot.img with a slightly more useful version 64-bit version that boots to a minimal busybox initrd with USB enabled.
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Add some more detail about the RSA signatures. Tweak update-pieeprom.sh so add a separate argument for the public key in order to make it easier to customize the script for hardware security modules.
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Add an example boot.img file signed with tools/example-private.pem.