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fastboot: introduce 'oem board' subcommand

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Currently, fastboot protocol in U-Boot has no opportunity
to execute vendor custom code with verifed boot. This patch
introduce new fastboot subcommand fastboot oem board:<cmd>,
which allow to run custom oem_board function.

Default implementation is __weak. Vendor must redefine it in
board/ folder with his own logic.

For example, some vendors have their custom nand/emmc partition
flashing or erasing. Here some typical command for such use cases:

- flashing:

  $ fastboot stage bootloader.img
  $ fastboot oem board:write_bootloader

- erasing:

  $ fastboot oem board:erase_env

Signed-off-by: Alexey Romanov <avromanov@salutedevices.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Reviewed-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Link: https://lore.kernel.org/r/20240418100129.1691822-2-avromanov@salutedevices.com
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
This commit is contained in:
Alexey Romanov
2024-04-18 13:01:29 +03:00
committed by Mattijs Korpershoek
parent 2c3fa4b8ad
commit b2acf59baf
4 changed files with 56 additions and 0 deletions
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1
include/fastboot.h
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@@ -48,6 +48,7 @@ enum {
FASTBOOT_COMMAND_OEM_BOOTBUS,
FASTBOOT_COMMAND_OEM_RUN,
FASTBOOT_COMMAND_OEM_CONSOLE,
FASTBOOT_COMMAND_OEM_BOARD,
FASTBOOT_COMMAND_ACMD,
FASTBOOT_COMMAND_UCMD,
FASTBOOT_COMMAND_COUNT