diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index c34dd5d..e96e693 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -78,6 +78,12 @@
 	  Enable support for reading, writing and programming the
 	  key for the Replay Protection Memory Block partition in eMMC.
 
+config SUPPORT_EMMC_BOOT
+	bool "Support some additional features of the eMMC boot partitions"
+	help
+	  Enable support for eMMC boot partitions. This also enables
+	  extensions within the mmc command.
+
 config MMC_IO_VOLTAGE
 	bool "Support IO voltage configuration"
 	help