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| -rw-r--r-- | doc/board/qualcomm/dragonwing.rst | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/doc/board/qualcomm/dragonwing.rst b/doc/board/qualcomm/dragonwing.rst index 12a0bfb3544..d4899415309 100644 --- a/doc/board/qualcomm/dragonwing.rst +++ b/doc/board/qualcomm/dragonwing.rst @@ -22,11 +22,14 @@ First, setup ``CROSS_COMPILE`` for aarch64. Then, build U-Boot for ``QCS615``, ` $ make qcom_qcs8300_defconfig $ make -j8 u-boot.mbn -This will build the signed ``u-boot.mbn`` in the configured output directory. -The firmware expects firmware ELF images to be "signed". The signature -does not provide any security in this case, but it provides the firmware -with some required metadata. More information -about image signing can be found in :doc:`signing`. +Although the board does not have secure boot set up by default, +the firmware still expects firmware ELF images to be "signed". The signature +does not provide any security in this case, but it provides the firmware with +some required metadata. + +To "sign" ``u-boot.elf`` you can use e.g. `qtestsign`_:: + + $ qtestsign -v6 aboot -o u-boot.mbn u-boot.elf Then flash the resulting ``u-boot.mbn`` to the ``uefi_a`` partition on your device with ``fastboot flash uefi_a u-boot.mbn``. |