Hi Kory, On Mon, 13 Oct 2025 at 14:32, Kory Maincent (TI.com) <[email protected]> wrote: > > This series converts the extension board framework to use UCLASS as > requested by Simon Glass, then adds extension support to pxe_utils > and bootmeth_efi (not tested) to enable extension boards devicetree load > in the standard boot process. > > I can't test the imx8 extension scan enabled by the > imx8mm-cl-iot-gate_defconfig as I don't have this board. > I also can't test the efi bootmeth change as I don't have such board.
You can test this with sandbox, using one of the bootmeth tests, perhaps. Let me know if you need help with this. > > Changes in v3: > - Reorder the patches inside the series as several config were broken > in the middle of the series. > - Use U_BOOT_DRVINFO macro instead of manually bind the drivers. > - Use uclass_first_device_err instead of extension_get_dev function. > - Made few fixes in documentation and Kconfig dependency. > - Made few changes of error value returned. > - Add a patch to document the extension structure. > - Add a patch to fix CAPE_EEPROM_BUS_NUM Kconfig dependency > > Changes in v2: > - Fixes few build errors. > - Add patches to move the extension support and board scan out of XPL > images build. > > Signed-off-by: Kory Maincent (TI.com) <[email protected]> > --- > Kory Maincent (TI.com) (20): > MAINTAINERS: Add maintainer for extension board support > board: ti: Exclude cape detection from XPL builds > board: ti: Fix CAPE_EEPROM_BUS_NUM Kconfig dependency > board: sunxi: Exclude DIP detection from XPL builds > board: compulab: Exclude compulab extension board detection from XPL > builds > include: extension_board: Document the extension structure > boot: Move extension board support from cmd/ to boot/ > boot: Add UCLASS support for extension boards > board: ti: Refactor cape detection code for readability > board: ti: Convert cape detection to use UCLASS framework > board: sunxi: Refactor CHIP board extension code > board: sunxi: Convert extension support to UCLASS framework > board: sandbox: Improve extension board scan implementation > board: sandbox: Convert extension support to UCLASS framework > board: compulab: Convert imx8mm-cl-iot-gate to UCLASS extension > framework > boot: Remove legacy extension board support > boot: extension: Move overlay apply custom logic to command level > boot: pxe_utils: Add extension board devicetree overlay support > boot: bootmeth_efi: Refactor distro_efi_try_bootflow_files return logic > boot: bootmeth_efi: Add extension board devicetree overlay support > > MAINTAINERS | 9 + > .../imx8mm-cl-iot-gate/imx8mm-cl-iot-gate.c | 70 ++++---- > board/sandbox/sandbox.c | 26 ++- > board/sunxi/Makefile | 2 +- > board/sunxi/chip.c | 36 ++-- > board/ti/common/Kconfig | 2 +- > board/ti/common/Makefile | 2 +- > board/ti/common/cape_detect.c | 56 ++++--- > boot/Kconfig | 4 + > boot/Makefile | 1 + > boot/bootmeth_efi.c | 79 +++++++-- > boot/extension-uclass.c | 93 +++++++++++ > boot/pxe_utils.c | 92 +++++++++++ > cmd/Kconfig | 3 - > cmd/extension_board.c | 183 > ++++++++++----------- > doc/usage/cmd/extension.rst | 29 ++-- > include/dm/uclass-id.h | 1 + > include/extension_board.h | 85 ++++++++-- > 18 files changed, 541 insertions(+), 232 deletions(-) > --- > base-commit: 8e7f8c1248e8adfb525a2a4ea56ebf7e54ff5d7a > change-id: 20250916-feature_sysboot_extension_board-958dd0072565 > > Best regards, > -- > Köry Maincent, Bootlin > Embedded Linux and kernel engineering > https://bootlin.com > Regards, Simon

