diff --git a/ports/nrf/mpconfigport.h b/ports/nrf/mpconfigport.h
index a359e6af4..6386ffaf5 100644
--- a/ports/nrf/mpconfigport.h
+++ b/ports/nrf/mpconfigport.h
@@ -34,7 +34,7 @@
 #define MICROPY_VFS                 (0)
 #endif
 #define MICROPY_ALLOC_PATH_MAX      (512)
-#define MICROPY_PERSISTENT_CODE_LOAD (0)
+#define MICROPY_PERSISTENT_CODE_LOAD (1)
 #ifndef MICROPY_EMIT_THUMB
 #define MICROPY_EMIT_THUMB          (0)
 #endif
@@ -71,9 +71,16 @@
 #define MICROPY_FATFS_RPATH            (2)
 #define MICROPY_FATFS_MULTI_PARTITION  (1)
 
-// TODO these should be generic, not bound to fatfs
-#define mp_type_fileio fatfs_type_fileio
-#define mp_type_textio fatfs_type_textio
+#if MICROPY_VFS_FAT
+#define mp_type_fileio mp_type_vfs_fat_fileio
+#define mp_type_textio mp_type_vfs_fat_textio
+#elif MICROPY_VFS_LFS1
+#define mp_type_fileio mp_type_vfs_lfs1_fileio
+#define mp_type_textio mp_type_vfs_lfs1_textio
+#elif MICROPY_VFS_LFS2
+#define mp_type_fileio mp_type_vfs_lfs2_fileio
+#define mp_type_textio mp_type_vfs_lfs2_textio
+#endif
 
 // use vfs's functions for import stat and builtin open
 #if MICROPY_VFS
@@ -117,7 +124,7 @@
 #define MICROPY_PY_MATH_SPECIAL_FUNCTIONS (0)
 #define MICROPY_PY_CMATH            (0)
 #define MICROPY_PY_IO               (1)
-#define MICROPY_PY_IO_FILEIO        (0)
+#define MICROPY_PY_IO_FILEIO        (1)
 #define MICROPY_PY_UERRNO           (0)
 #define MICROPY_PY_UBINASCII        (0)
 #define MICROPY_PY_URANDOM          (0)