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

[Ilias Apalodimas]

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


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