diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig
index 8c755f8..9771af9 100644
--- a/arch/arm/mach-stm32mp/Kconfig
+++ b/arch/arm/mach-stm32mp/Kconfig
@@ -38,6 +38,14 @@
 		when DDR driver is used:
 		  DDR + 1MB (0xC0100000)
 
+config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_MMC2
+	hex "Partition on MMC2 to use to load U-Boot from"
+	depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
+	default 1
+	help
+	  Partition on the second MMC to load U-Boot from when the MMC is being
+	  used in raw mode
+
 source "board/st/stm32mp1/Kconfig"
 
 endif