diff --git a/soc/arm/nxp_imx/rt/Kconfig.defconfig.series b/soc/arm/nxp_imx/rt/Kconfig.defconfig.series
index 9f86ea6ce42..7720946aa12 100644
--- a/soc/arm/nxp_imx/rt/Kconfig.defconfig.series
+++ b/soc/arm/nxp_imx/rt/Kconfig.defconfig.series
@@ -58,6 +58,16 @@ config SPI_MCUX_LPSPI
 	default y if HAS_MCUX_LPSPI
 	depends on SPI
 
+if CODE_SEMC
+
+config FLASH_SIZE
+	default $(dt_node_reg_size_int,/memory@80000000,0,K)
+
+config FLASH_BASE_ADDRESS
+	default $(dt_node_reg_addr_hex,/memory@80000000)
+
+endif # CODE_SEMC
+
 if CODE_ITCM
 
 config FLASH_SIZE
diff --git a/soc/arm/nxp_imx/rt/Kconfig.soc b/soc/arm/nxp_imx/rt/Kconfig.soc
index c9ea2e616ea..a717ad03e39 100644
--- a/soc/arm/nxp_imx/rt/Kconfig.soc
+++ b/soc/arm/nxp_imx/rt/Kconfig.soc
@@ -375,6 +375,9 @@ choice CODE_LOCATION
 	prompt "Code location selection"
 	default CODE_ITCM
 
+config CODE_SEMC
+	bool "Link code into external SEMC-controlled memory"
+
 config CODE_ITCM
 	bool "Link code into internal instruction tightly coupled memory (ITCM)"