diff --git a/soc/arm/atmel_sam0/samd51/Kconfig.defconfig.series b/soc/arm/atmel_sam0/samd51/Kconfig.defconfig.series
index 03e28af16d9..fb90434abd8 100644
--- a/soc/arm/atmel_sam0/samd51/Kconfig.defconfig.series
+++ b/soc/arm/atmel_sam0/samd51/Kconfig.defconfig.series
@@ -25,6 +25,9 @@ config NUM_IRQS
 	int
 	default 137
 
+config ROM_START_OFFSET
+	default 0x400 if BOOTLOADER_MCUBOOT
+
 config SYS_CLOCK_HW_CYCLES_PER_SEC
 	int
 	default 120000000
diff --git a/soc/arm/atmel_sam0/same51/Kconfig.defconfig.series b/soc/arm/atmel_sam0/same51/Kconfig.defconfig.series
index b4492229c71..4b30d635aa2 100644
--- a/soc/arm/atmel_sam0/same51/Kconfig.defconfig.series
+++ b/soc/arm/atmel_sam0/same51/Kconfig.defconfig.series
@@ -21,6 +21,9 @@ config NUM_IRQS
 	int
 	default 137
 
+config ROM_START_OFFSET
+	default 0x400 if BOOTLOADER_MCUBOOT
+
 config SYS_CLOCK_HW_CYCLES_PER_SEC
 	int
 	default 120000000
diff --git a/soc/arm/atmel_sam0/same53/Kconfig.defconfig.series b/soc/arm/atmel_sam0/same53/Kconfig.defconfig.series
index d88346e5b45..f49d2741b3d 100644
--- a/soc/arm/atmel_sam0/same53/Kconfig.defconfig.series
+++ b/soc/arm/atmel_sam0/same53/Kconfig.defconfig.series
@@ -21,6 +21,9 @@ config NUM_IRQS
 	int
 	default 137
 
+config ROM_START_OFFSET
+	default 0x400 if BOOTLOADER_MCUBOOT
+
 config SYS_CLOCK_HW_CYCLES_PER_SEC
 	int
 	default 120000000
diff --git a/soc/arm/atmel_sam0/same54/Kconfig.defconfig.series b/soc/arm/atmel_sam0/same54/Kconfig.defconfig.series
index 4d2486a0075..f2b3f9844a7 100644
--- a/soc/arm/atmel_sam0/same54/Kconfig.defconfig.series
+++ b/soc/arm/atmel_sam0/same54/Kconfig.defconfig.series
@@ -20,6 +20,9 @@ config NUM_IRQS
 	int
 	default 137
 
+config ROM_START_OFFSET
+	default 0x400 if BOOTLOADER_MCUBOOT
+
 config SYS_CLOCK_HW_CYCLES_PER_SEC
 	int
 	default 120000000