diff --git a/boot/zephyr/boards/b_u585i_iot02a.conf b/boot/zephyr/boards/b_u585i_iot02a.conf
new file mode 100644
index 0000000000..7a89dffe67
--- /dev/null
+++ b/boot/zephyr/boards/b_u585i_iot02a.conf
@@ -0,0 +1,2 @@
+CONFIG_BOOT_DIRECT_XIP=y
+CONFIG_STM32_MEMMAP=y
diff --git a/boot/zephyr/boards/nucleo_h7s3l8.conf b/boot/zephyr/boards/nucleo_h7s3l8.conf
new file mode 100644
index 0000000000..93013ed9a1
--- /dev/null
+++ b/boot/zephyr/boards/nucleo_h7s3l8.conf
@@ -0,0 +1,4 @@
+CONFIG_BOOT_DIRECT_XIP=y
+CONFIG_STM32_MEMMAP=y
+CONFIG_BOOT_MAX_IMG_SECTORS_AUTO=n
+CONFIG_BOOT_MAX_IMG_SECTORS=4096
diff --git a/boot/zephyr/boards/stm32f746g_disco.conf b/boot/zephyr/boards/stm32f746g_disco.conf
new file mode 100644
index 0000000000..7a89dffe67
--- /dev/null
+++ b/boot/zephyr/boards/stm32f746g_disco.conf
@@ -0,0 +1,2 @@
+CONFIG_BOOT_DIRECT_XIP=y
+CONFIG_STM32_MEMMAP=y
diff --git a/boot/zephyr/boards/stm32h573i_dk.conf b/boot/zephyr/boards/stm32h573i_dk.conf
new file mode 100644
index 0000000000..93013ed9a1
--- /dev/null
+++ b/boot/zephyr/boards/stm32h573i_dk.conf
@@ -0,0 +1,4 @@
+CONFIG_BOOT_DIRECT_XIP=y
+CONFIG_STM32_MEMMAP=y
+CONFIG_BOOT_MAX_IMG_SECTORS_AUTO=n
+CONFIG_BOOT_MAX_IMG_SECTORS=4096
diff --git a/boot/zephyr/boards/stm32h735g_disco.conf b/boot/zephyr/boards/stm32h735g_disco.conf
new file mode 100644
index 0000000000..7a89dffe67
--- /dev/null
+++ b/boot/zephyr/boards/stm32h735g_disco.conf
@@ -0,0 +1,2 @@
+CONFIG_BOOT_DIRECT_XIP=y
+CONFIG_STM32_MEMMAP=y
diff --git a/boot/zephyr/boards/stm32h747i_disco_m7.conf b/boot/zephyr/boards/stm32h747i_disco_m7.conf
new file mode 100644
index 0000000000..7a89dffe67
--- /dev/null
+++ b/boot/zephyr/boards/stm32h747i_disco_m7.conf
@@ -0,0 +1,2 @@
+CONFIG_BOOT_DIRECT_XIP=y
+CONFIG_STM32_MEMMAP=y
diff --git a/boot/zephyr/boards/stm32h750b_dk.conf b/boot/zephyr/boards/stm32h750b_dk.conf
new file mode 100644
index 0000000000..7a89dffe67
--- /dev/null
+++ b/boot/zephyr/boards/stm32h750b_dk.conf
@@ -0,0 +1,2 @@
+CONFIG_BOOT_DIRECT_XIP=y
+CONFIG_STM32_MEMMAP=y
diff --git a/boot/zephyr/boards/stm32h7b3i_dk.conf b/boot/zephyr/boards/stm32h7b3i_dk.conf
new file mode 100644
index 0000000000..7a89dffe67
--- /dev/null
+++ b/boot/zephyr/boards/stm32h7b3i_dk.conf
@@ -0,0 +1,2 @@
+CONFIG_BOOT_DIRECT_XIP=y
+CONFIG_STM32_MEMMAP=y
diff --git a/boot/zephyr/boards/stm32h7s78_dk.conf b/boot/zephyr/boards/stm32h7s78_dk.conf
new file mode 100644
index 0000000000..93013ed9a1
--- /dev/null
+++ b/boot/zephyr/boards/stm32h7s78_dk.conf
@@ -0,0 +1,4 @@
+CONFIG_BOOT_DIRECT_XIP=y
+CONFIG_STM32_MEMMAP=y
+CONFIG_BOOT_MAX_IMG_SECTORS_AUTO=n
+CONFIG_BOOT_MAX_IMG_SECTORS=4096
diff --git a/boot/zephyr/boards/stm32l496g_disco.conf b/boot/zephyr/boards/stm32l496g_disco.conf
new file mode 100644
index 0000000000..7a89dffe67
--- /dev/null
+++ b/boot/zephyr/boards/stm32l496g_disco.conf
@@ -0,0 +1,2 @@
+CONFIG_BOOT_DIRECT_XIP=y
+CONFIG_STM32_MEMMAP=y
diff --git a/boot/zephyr/flash_map_extended.c b/boot/zephyr/flash_map_extended.c
index 4a29750f75..3922b4f99e 100644
--- a/boot/zephyr/flash_map_extended.c
+++ b/boot/zephyr/flash_map_extended.c
@@ -20,7 +20,23 @@
 
 BOOT_LOG_MODULE_DECLARE(mcuboot);
 
-#if (!defined(CONFIG_XTENSA) && DT_HAS_CHOSEN(zephyr_flash_controller))
+#if defined(CONFIG_STM32_MEMMAP)
+/* MEMORY MAPPED for XiP on external NOR flash takes the sspi-nor or ospi-nor or qspi-nor device */
+#define FLASH_DEVICE_ID SPI_FLASH_0_ID
+#if DT_NODE_HAS_STATUS(DT_INST(0, st_stm32_xspi_nor), okay)
+#define FLASH_DEVICE_NODE DT_INST(0, st_stm32_xspi_nor)
+#define FLASH_DEVICE_BASE DT_REG_ADDR_BY_IDX(DT_INST(0, st_stm32_xspi),1) 
+#elif DT_NODE_HAS_STATUS(DT_INST(0, st_stm32_ospi_nor), okay)
+#define FLASH_DEVICE_NODE DT_INST(0, st_stm32_ospi_nor)
+#define FLASH_DEVICE_BASE DT_REG_ADDR(DT_INST(0, st_stm32_ospi_nor))
+#elif DT_NODE_HAS_STATUS(DT_INST(0, st_stm32_qspi_nor), okay)
+#define FLASH_DEVICE_NODE DT_INST(0, st_stm32_qspi_nor)
+#define FLASH_DEVICE_BASE DT_REG_ADDR(DT_INST(0, st_stm32_qspi_nor))
+#else
+#error "FLASH_DEVICE_NODE could not be determined"
+#endif
+
+#elif (!defined(CONFIG_XTENSA) && DT_HAS_CHOSEN(zephyr_flash_controller))
 #define FLASH_DEVICE_ID SOC_FLASH_0_ID
 #define FLASH_DEVICE_BASE CONFIG_FLASH_BASE_ADDRESS
 #define FLASH_DEVICE_NODE DT_CHOSEN(zephyr_flash_controller)