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Diffstat (limited to 'doc/develop/uefi/uefi.rst')
-rw-r--r-- | doc/develop/uefi/uefi.rst | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/develop/uefi/uefi.rst b/doc/develop/uefi/uefi.rst index cd84706..e0835be 100644 --- a/doc/develop/uefi/uefi.rst +++ b/doc/develop/uefi/uefi.rst @@ -277,6 +277,8 @@ Enable ``CONFIG_OPTEE``, ``CONFIG_CMD_OPTEE_RPMB`` and ``CONFIG_EFI_MM_COMM_TEE` [1] https://optee.readthedocs.io/en/latest/building/efi_vars/stmm.html +.. _uefi_capsule_update_ref: + Enabling UEFI Capsule Update feature ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -377,6 +379,16 @@ following command:: dfu list +When the FWU Multi Bank Update feature is enabled on the platform, the +image index is used only to identify the image index with the image +GUID. The image index would not correspond to the dfu alt number. This +is because the FWU feature supports multiple partitions(banks) of +updatable images, and the actual dfu alt number to which the image is +to be written to is determined at runtime, based on the value of the +update bank to which the image is to be written. For more information +on the FWU Multi Bank Update feature, please refer `doc +<doc/develop/uefi/fwu_updates.rst>`__. + When using the FMP for FIT images, the image index value needs to be set to 1. |