[PATCH 0/7] ARM: stm32mp: bbu: add FIP update handler

Ahmad Fatoum a.fatoum at pengutronix.de
Thu Jun 2 02:01:26 PDT 2022

STM32MP1 BootROM boots from GPT partition fsbl1 or fsbl2 on SD-Card and
from boot partition on eMMC. Recent TF-A without legacy image support will
then look in a GPT partition named fip in the user area.

With recent patches[1], TF-A will also check offset SZ_256K in the boot
partition to see if the FIP is there.

Add a barebox_update handler that covers these scenarios.

The TF-A patches are not yet upstream, but have all maintainer ACKs and
will likely be part of TF-A v2.8.

[1]: https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/15332

Ahmad Fatoum (7):
  bbu: move barebox_update eMMC boot handling into common code
  bbu: use free(NULL) to simplify function cleanup
  bbu: add flag for enabling eMMC boot ack
  bbu: export bbu_std_file_handler for use in custom handlers
  filetype: differentiate between STM32MP FSBL and SSBL images
  ARM: stm32mp: bbu: add FIP update handler
  fastboot: support TF-A FSBL and FIP images for barebox update

 arch/arm/mach-imx/imx-bbu-internal.c     |  48 +-----
 arch/arm/mach-stm32mp/Makefile           |   1 +
 arch/arm/mach-stm32mp/bbu.c              | 197 +++++++++++++++++++++++
 arch/arm/mach-stm32mp/include/mach/bbu.h |  18 ++-
 arch/arm/mach-stm32mp/stm32image.c       |   2 +-
 common/bbu.c                             | 100 ++++++++++--
 common/filetype.c                        |  15 +-
 include/bbu.h                            |   7 +
 include/filetype.h                       |   3 +-
 9 files changed, 327 insertions(+), 64 deletions(-)
 create mode 100644 arch/arm/mach-stm32mp/bbu.c


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