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efi_loader: add firmware management protocol for FIT image

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In this commit, a very simple firmware management protocol driver
is implemented. It will take a common FIT image firmware in a capsule
file and apply the data using dfu backend storage drivers via
update_fit() interface.

So "dfu_alt_info" variable should be properly set to specify a device
and location to be updated. Please read README.dfu.

Fit image is a common file format for firmware update on U-Boot, and
this protocol works neatly just as a wrapper for one.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
This commit is contained in:
AKASHI Takahiro
2020-11-30 18:12:12 +09:00
committed by Heinrich Schuchardt
parent 8d99026f06
commit f27c201485
6 changed files with 320 additions and 1 deletions
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lib/efi_loader/Makefile
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@@ -24,6 +24,7 @@ obj-$(CONFIG_CMD_BOOTEFI_HELLO) += helloworld_efi.o
obj-y += efi_bootmgr.o
obj-y += efi_boottime.o
obj-$(CONFIG_EFI_HAVE_CAPSULE_SUPPORT) += efi_capsule.o
obj-$(CONFIG_EFI_CAPSULE_FIRMWARE_FIT) += efi_firmware.o
obj-y += efi_console.o
obj-y += efi_device_path.o
obj-$(CONFIG_EFI_DEVICE_PATH_TO_TEXT) += efi_device_path_to_text.o