diff --git a/ports/mimxrt/Makefile b/ports/mimxrt/Makefile
index b73d3f4db9..800370e0ad 100644
--- a/ports/mimxrt/Makefile
+++ b/ports/mimxrt/Makefile
@@ -228,21 +228,33 @@ SHARED_SRC_C += \
 	shared/runtime/sys_stdio_mphal.c \
 	shared/timeutils/timeutils.c \
 
-# Add sources for respective board flash type
-ifeq ($(MICROPY_HW_FLASH_TYPE),$(filter $(MICROPY_HW_FLASH_TYPE),qspi_nor_flash qspi_hyper_flash))
-    # Add hal/flexspi_nor_flash.c or hal/flashspi_hyper_flash.c respectively
-    SRC_HAL_C += hal/flexspi_$(subst qspi_,,$(MICROPY_HW_FLASH_TYPE)).c
-    #
-    # Add custom (board specific) or default configuration
-    ifeq ($(MICROPY_HW_BOARD_FLASH_FILES),1)
-        SRC_HAL_C += $(BOARD_DIR)/$(MICROPY_HW_FLASH_TYPE)_config.c
-    else
-        SRC_HAL_C += hal/$(MICROPY_HW_FLASH_TYPE)_config.c
-    endif
+# Set flash driver name, base address and internal flash flag, based on the flash type.
+ifeq ($(MICROPY_HW_FLASH_TYPE),$(filter $(MICROPY_HW_FLASH_TYPE),qspi_nor_flash))
+    MICROPY_HW_FLASH_BASE = 0x60000000
+    FLEXSPI_FLASH_TYPE = $(MICROPY_HW_FLASH_TYPE)
+else ifeq ($(MICROPY_HW_FLASH_TYPE),$(filter $(MICROPY_HW_FLASH_TYPE),qspi_hyper_flash))
+    MICROPY_HW_FLASH_BASE = 0x60000000
+    FLEXSPI_FLASH_TYPE = $(MICROPY_HW_FLASH_TYPE)
+else ifeq ($(MICROPY_HW_FLASH_TYPE),$(filter $(MICROPY_HW_FLASH_TYPE),internal))
+    # The internal flash is an SPI NOR Flash.
+    MICROPY_HW_FLASH_BASE = 0x70000000
+    FLEXSPI_FLASH_TYPE = qspi_nor_flash
+    CFLAGS += -DMICROPY_HW_FLASH_INTERNAL
 else
     $(error Error: Unknown board flash type $(MICROPY_HW_FLASH_TYPE))
 endif
 
+# Add sources for respective board flash type
+# Add hal/flexspi_nor_flash.c or hal/flashspi_hyper_flash.c respectively
+SRC_HAL_C += hal/flexspi_$(subst qspi_,,$(FLEXSPI_FLASH_TYPE)).c
+#
+# Add custom (board specific) or default configuration
+ifeq ($(MICROPY_HW_BOARD_FLASH_FILES),1)
+    SRC_HAL_C += $(BOARD_DIR)/$(FLEXSPI_FLASH_TYPE)_config.c
+else
+    SRC_HAL_C += hal/$(FLEXSPI_FLASH_TYPE)_config.c
+endif
+
 # Math library source files
 ifeq ($(MICROPY_FLOAT_IMPL),double)
     LIBM_SRC_C += $(addprefix lib/libm_dbl/,\
@@ -341,18 +353,14 @@ CFLAGS += \
 	-Wno-error=unused-parameter
 
 # Configure respective board flash type
-ifeq ($(MICROPY_HW_FLASH_TYPE),$(filter $(MICROPY_HW_FLASH_TYPE),qspi_nor_flash qspi_hyper_flash))
-    # Add hal/flexspi_nor_flash.h or hal/flexspi_hyper_flash.h respectively
-    CFLAGS += -DBOARD_FLASH_OPS_HEADER_H=\"hal/flexspi_$(subst qspi_,,$(MICROPY_HW_FLASH_TYPE)).h\"
-    #
-    # Add custom (board specific) or default configuration
-    ifeq ($(MICROPY_HW_BOARD_FLASH_FILES),1)
-        CFLAGS += -DBOARD_FLASH_CONFIG_HEADER_H=\"$(BOARD)_flexspi_flash_config.h\"
-    else
-        CFLAGS += -DBOARD_FLASH_CONFIG_HEADER_H=\"hal/flexspi_flash_config.h\"
-    endif
+# Add hal/flexspi_nor_flash.h or hal/flexspi_hyper_flash.h respectively
+CFLAGS += -DBOARD_FLASH_OPS_HEADER_H=\"hal/flexspi_$(subst qspi_,,$(FLEXSPI_FLASH_TYPE)).h\"
+#
+# Add custom (board specific) or default configuration
+ifeq ($(MICROPY_HW_BOARD_FLASH_FILES),1)
+    CFLAGS += -DBOARD_FLASH_CONFIG_HEADER_H=\"$(BOARD)_flexspi_flash_config.h\"
 else
-    $(error Error: Unknown board flash type $(MICROPY_HW_FLASH_TYPE))
+    CFLAGS += -DBOARD_FLASH_CONFIG_HEADER_H=\"hal/flexspi_flash_config.h\"
 endif
 
 # Configure floating point support
@@ -399,7 +407,7 @@ LDFLAGS += \
 #	the C preprocessor. Therefore keep LDDEFINES separated from LDFLAGS!
 
 LDDEFINES = \
-	-DMICROPY_HW_FLASH_TYPE=$(MICROPY_HW_FLASH_TYPE) \
+	-DMICROPY_HW_FLASH_BASE=$(MICROPY_HW_FLASH_BASE) \
 	-DMICROPY_HW_FLASH_SIZE=$(MICROPY_HW_FLASH_SIZE)
 
 ifdef MICROPY_HW_FLASH_RESERVED
diff --git a/ports/mimxrt/boards/MIMXRT1064.ld b/ports/mimxrt/boards/MIMXRT1064.ld
index 1fbc855fa1..708dac4d51 100644
--- a/ports/mimxrt/boards/MIMXRT1064.ld
+++ b/ports/mimxrt/boards/MIMXRT1064.ld
@@ -3,15 +3,7 @@
 reserved_size = MICROPY_HW_FLASH_RESERVED;
 #endif
 
-#if MICROPY_HW_FLASH_TYPE == qspi_nor_flash
-flash_start         = 0x60000000;
-#elif MICROPY_HW_FLASH_TYPE == qspi_hyper_flash
-flash_start         = 0x60000000;
-#elif MICROPY_HW_FLASH_TYPE == internal
-flash_start         = 0x70000000;
-#else
-#error Unknown MICROPY_HW_FLASH_TYPE
-#endif
+flash_start         = MICROPY_HW_FLASH_BASE;
 flash_size          = MICROPY_HW_FLASH_SIZE;
 flash_end           = DEFINED(reserved_size) ? ((flash_start) + (flash_size - reserved_size)) : ((flash_start) + (flash_size));
 flash_config_start  = flash_start;
diff --git a/ports/mimxrt/hal/flexspi_hyper_flash.h b/ports/mimxrt/hal/flexspi_hyper_flash.h
index fe9acea429..3c016bc78e 100644
--- a/ports/mimxrt/hal/flexspi_hyper_flash.h
+++ b/ports/mimxrt/hal/flexspi_hyper_flash.h
@@ -31,7 +31,10 @@
 #include "fsl_flexspi.h"
 // #include BOARD_FLASH_CONFIG_HEADER_H
 
-#if defined MIMXRT117x_SERIES
+#if defined MICROPY_HW_FLASH_INTERNAL
+#define BOARD_FLEX_SPI FLEXSPI2
+#define BOARD_FLEX_SPI_ADDR_BASE FlexSPI2_AMBA_BASE
+#elif defined MIMXRT117x_SERIES
 #define BOARD_FLEX_SPI FLEXSPI1
 #define BOARD_FLEX_SPI_ADDR_BASE FlexSPI1_AMBA_BASE
 #else
diff --git a/ports/mimxrt/hal/flexspi_nor_flash.h b/ports/mimxrt/hal/flexspi_nor_flash.h
index 69d57da691..edc81e37f1 100644
--- a/ports/mimxrt/hal/flexspi_nor_flash.h
+++ b/ports/mimxrt/hal/flexspi_nor_flash.h
@@ -27,9 +27,13 @@
 #define MICROPY_INCLUDED_MIMXRT_HAL_FLEXSPI_NOR_FLASH_H
 
 #include "fsl_flexspi.h"
+#include "mpconfigboard.h"
 #include BOARD_FLASH_CONFIG_HEADER_H
 
-#if defined MIMXRT117x_SERIES
+#if defined MICROPY_HW_FLASH_INTERNAL
+#define BOARD_FLEX_SPI FLEXSPI2
+#define BOARD_FLEX_SPI_ADDR_BASE FlexSPI2_AMBA_BASE
+#elif defined MIMXRT117x_SERIES
 #define BOARD_FLEX_SPI FLEXSPI1
 #define BOARD_FLEX_SPI_ADDR_BASE FlexSPI1_AMBA_BASE
 #else