New layout #6
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New layout #6
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u-boot already has a mechanism to call the altbootcmd so use it rather than using our own impelementation. Also dropped the single nand boot command as it was using the same partition layout as dual nand boot anyway so was pointless.
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The code has evolved to have many ways of booting which use similar code. Have refactored out the duplicate bits and whitespace issues. Have also added some useful log messages. Signed-off-by: Ian Pozella <Ian.Pozella@imgtec.com>
Currently we assume the kernel is in the ubifs itself but we now have builds which put it in its own volume named 'kernel'. So make sure we check this first. Note legacy boot is not supported when kernel is in its own volume. Signed-off-by: Ian Pozella <Ian.Pozella@imgtec.com>
Add a hardcoded development key pair so that they can be used to demonstrate verified boot without having to add it with mkimage which adds a dependency of the fitimage already existing. This change cannot be upstreamed. Note also that because this also distributes the private key no system protected by this can be condidered secure. Signed-off-by: Ian Pozella <Ian.Pozella@imgtec.com>
nikhil-zinjurde-imgtec
approved these changes
Oct 18, 2016
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Verified nandboot, usbboot, mmcboot and verified boot |
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This allows booting our new style fitImage as added here CreatorDev/openwrt#6 . It also has support for booting legacy uImage but only for nand boot in order support any initial boards already out there.
Note that for proof of concept purposes a key pair has been added. If you enable verification with 'setenv bootm_verify y' then this is also capable of performing verified boot of a fitImage that has been signed with this key.
This connects to CreatorDev/openwrt#14