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(-) -- 2.30.2
