[PATCH v8 0/8] Support metadata-driven A/B boot for STM32MP25

[Ilias Apalodimas]

On Wed, 13 May 2026 at 11:15, Patrice CHOTARD
<patrice.chotard at foss.st.com> wrote:
>
>
>
> On 5/13/26 10:00, Ilias Apalodimas wrote:
> > Hi Patrice,
> >
> > Can you please get an Ack from Sughosh before queuing these up? I'll
> > also ping him and see if has time to havea  look
> >
> > Thanks
> > /Ilias
>
> Hi Ilias
>
> Oups, i already submitted the pull request including this series.

Ok, I don't really mind the changes to go in. But I dont have the
bandwidth to have a look, so an ACK from Sughosh would be great

Cheers
/Ilias
>
> Patrice
>
> >
> >
> > On Wed, 13 May 2026 at 08:48, Patrice CHOTARD
> > <patrice.chotard at foss.st.com> wrote:
> >>
> >>
> >>
> >> On 4/30/26 10:06, Dario Binacchi wrote:
> >>> This series, the mainline version of [1], provides the necessary changes
> >>> in U-Boot to support the metadata-driven A/B update flow for STM32MP25
> >>> boards. It implements the logic required to dynamically select the boot
> >>> bank based on FWU metadata.
> >>>
> >>> These changes are designed to be backward compatible while providing
> >>> the necessary infrastructure for the A/B scheme.
> >>>
> >>> The series has been tested on the STM32MP257F-EV1 board.
> >>>
> >>> Additionally, some patches in the series propose changes with
> >>> general-purpose utility:
> >>>
> >>>  1/7 lib: uuid: add partition type GUID for extended bootloader
> >>>  4/7 cmd: part: support lookup by UUID in 'part number'
> >>>  6/7 fwu: add helper to get image GUID by type and bank index
> >>>
> >>> [1] https://github.com/STMicroelectronics/u-boot/pull/6
> >>>
> >>> Changes in v8:
> >>> - Skip the test in case the CONFIG_MCC is not enabled or the mmc
> >>>   device is not found.
> >>> - Add Reviewed-by of Patrice Chotard
> >>> - Skip cmd_test_part tests for configurations where MMC is not enabled
> >>>   or the device is missing
> >>>
> >>> Changes in v7:
> >>> - Add Reviewed-by of Simon Glass for patc 7/8 of "test: dm:
> >>> fwu_mdata: add test for fwu_mdata_get_image_guid"
> >>>
> >>> Changes in v6:
> >>> - Add Reviewed-by of Simon Glass to patch 3/8 "test: cmd: add unit
> >>>   tests for part command"
> >>>
> >>> Changes in v5:
> >>> - Update doc/usage/cmd/part.rst to reflect the changes related to the
> >>>   part command.
> >>> - Add Acked-by of Ilias Apalodimas to patch 6/8 "fwu: add helper to get
> >>>   image GUID by type and bank index"
> >>>
> >>> Changes in v4:
> >>> - Place the part command tests in the cmd suite rather than the dm
> >>>   suite.
> >>> - Order the include files according the U-Boot coding style.
> >>> - Add patch 7/8 test: dm: fwu_mdata: add test for fwu_mdata_get_image_guid
> >>>
> >>> Changes in v3:
> >>> - Wrap lines exceeding 80 columns in test/cmd/part.c file.
> >>> - Combine run_command() and ut_asserteq() -> ut_asserteq(1, run_command(
> >>> - Add kerneldoc comment for fwu_mdata_get_image_guid() above its declaration
> >>>   in fwu.h.
> >>> - Add log_warning() messages to fwu_platform_hook() to catch inconsistent
> >>>   FWU metadata (boot GUID found but root GUID missing or viceversa), as
> >>>   suggested by Simon Glass.
> >>>
> >>> Changes in v2:
> >>> - Add links to the XBOOTLDR specification in the commit message of patch
> >>>    1/7 lib: uuid: add partition type GUID for extended bootloader.
> >>> - Update help for 'part start', 'part size' to mention UUID.
> >>> - Add kerneldoc comment for fwu_mdata_get_image_guid().
> >>> - Pass efi_guid_t by pointer in fwu_mdata_get_image_guid().
> >>> - Add patches:
> >>>    5/7 test: cmd: part: add UUID lookup tests
> >>>    3/7 test: cmd: add unit tests for part command
> >>>    2/7 test: dm: part: add test for part_get_info_by_uuid
> >>>
> >>> Dario Binacchi (8):
> >>>   lib: uuid: add partition type GUID for extended bootloader
> >>>   test: dm: part: add test for part_get_info_by_uuid
> >>>   test: cmd: add unit tests for part command
> >>>   cmd: part: support lookup by UUID
> >>>   test: cmd: part: add UUID lookup tests
> >>>   fwu: add helper to get image GUID by type and bank index
> >>>   test: dm: fwu_mdata: add test for fwu_mdata_get_image_guid
> >>>   board: st: stm32mp25: support dynamic A/B bank bootup
> >>>
> >>>  board/st/stm32mp2/stm32mp2.c          |  32 ++++
> >>>  cmd/part.c                            |  12 +-
> >>>  doc/README.gpt                        |   2 +
> >>>  doc/usage/cmd/part.rst                |   6 +-
> >>>  include/configs/stm32mp25_st_common.h |  15 ++
> >>>  include/fwu.h                         |  11 ++
> >>>  include/part_efi.h                    |   3 +
> >>>  lib/fwu_updates/fwu.c                 |  33 ++++
> >>>  lib/uuid.c                            |   1 +
> >>>  test/cmd/Makefile                     |   1 +
> >>>  test/cmd/part.c                       | 227 ++++++++++++++++++++++++++
> >>>  test/dm/fwu_mdata.c                   |  48 ++++++
> >>>  test/dm/part.c                        |  53 ++++++
> >>>  13 files changed, 437 insertions(+), 7 deletions(-)
> >>>  create mode 100644 test/cmd/part.c
> >>>
> >> For the whole series
> >>
> >> Applied to u-boot-stm32/master
> >>
> >> Thanks
> >> Patrice
>