[PATCH v2 0/5] meson64_android: use BCB for reboot reason

[Mattijs Korpershoek]

The SEI-610 and SEI-510 boards are well supported in the
Android Open Source project via the yukawa [1] platform.

Their U-Boot version, despite being public [2] is not in mainline.

Android has multiple OSes it can boot into:
* Main android
* Recovery OS
* Fastbootd (recovery OS with fastboot mode)
* Bootloader (U-Boot) with fastboot mode

The decision of which OS to boot into is taken by the bootloader based on
the "reboot reason".

For amlogic boards, we pass the reboot reason via a custom smc call.
This support is limited: we don't r

These series reworks the reboot reason handling to use the BCB, which
is the standard Android way.

[1] https://android.googlesource.com/device/amlogic/yukawa
[2] https://gitlab.com/baylibre/amlogic/atv/u-boot/-/tree/u-boot/v2021.07/integ

Changes in v2:
* re-ordered commits
* added Neil's Acked-by

Mattijs Korpershoek (5):
  configs: meson64_android: use BCB for reboot to bootloader
  configs: meson64_android: implement recovery boot via BCB
  configs: meson64_android: reboot to fastbootd from bootloader
  configs: sei610/sei510: set CONFIG_CMD_BCB=y
  Revert "ARM: meson: Add support for fastboot_set_reboot_flag()"

 arch/arm/mach-meson/board-common.c | 34 -----------------
 configs/sei510_defconfig           |  1 +
 configs/sei610_defconfig           |  1 +
 include/configs/meson64_android.h  | 60 ++++++++++++++++++++----------
 4 files changed, 42 insertions(+), 54 deletions(-)

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2.30.2