common: Implement A/B metadata

[oweals/u-boot.git] / common / Kconfig

diff --git a/common/Kconfig b/common/Kconfig
index 4865a4dfc86d1d2e0e1d12fc9669e348fdb7c90c..b556b59e9f0ec57b701f5c861b2401e049712931 100644 (file)
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -821,6 +821,16 @@ config UPDATE_TFTP_MSEC_MAX
        default 100
        depends on UPDATE_TFTP
 
+config ANDROID_AB
+       bool "Android A/B updates"
+       default n
+       help
+         If enabled, adds support for the new Android A/B update model. This
+         allows the bootloader to select which slot to boot from based on the
+         information provided by userspace via the Android boot_ctrl HAL. This
+         allows a bootloader to try a new version of the system but roll back
+         to previous version if the new one didn't boot all the way.
+
 endmenu
 
 menu "Blob list"