diff --git a/ports/vc4/Makefile b/ports/vc4/Makefile
index 8bab53061005..aaff4ee42f03 100644
--- a/ports/vc4/Makefile
+++ b/ports/vc4/Makefile
@@ -52,7 +52,7 @@ all: $(BUILD)/firmware.bin
 
 $(BUILD)/_frozen_mpy.c: frozentest.mpy $(BUILD)/genhdr/qstrdefs.generated.h
 	$(ECHO) "MISC freezing bytecode"
-	$(Q)$(TOP)/tools/mpy-tool.py -f -q $(BUILD)/genhdr/qstrdefs.preprocessed.h -mlongint-impl=none $< > $@
+	$(Q)$(TOP)/tools/mpy-tool.py -f -q $(BUILD)/genhdr/qstrdefs.preprocessed.h -mlongint-impl=mpz $< > $@
 
 $(BUILD)/firmware.elf: $(OBJ)
 	$(ECHO) "LINK $@"
diff --git a/ports/vc4/mpconfigport.h b/ports/vc4/mpconfigport.h
index 0faf73261bd8..3b18adbd8c05 100644
--- a/ports/vc4/mpconfigport.h
+++ b/ports/vc4/mpconfigport.h
@@ -14,10 +14,11 @@
 #define MICROPY_EMIT_X64            (0)
 #define MICROPY_EMIT_THUMB          (0)
 #define MICROPY_EMIT_INLINE_THUMB   (0)
-#define MICROPY_COMP_MODULE_CONST   (0)
-#define MICROPY_COMP_CONST          (0)
-#define MICROPY_COMP_DOUBLE_TUPLE_ASSIGN (0)
-#define MICROPY_COMP_TRIPLE_TUPLE_ASSIGN (0)
+#define MICROPY_COMP_MODULE_CONST   (1)
+#define MICROPY_COMP_CONST          (1)
+#define MICROPY_COMP_DOUBLE_TUPLE_ASSIGN (1)
+#define MICROPY_COMP_TRIPLE_TUPLE_ASSIGN (1)
+#define MICROPY_COMP_RETURN_IF_EXPR (1)
 #define MICROPY_MEM_STATS           (0)
 #define MICROPY_DEBUG_PRINTERS      (0)
 #define MICROPY_ENABLE_GC           (1)
@@ -27,9 +28,13 @@
 #define MICROPY_HELPER_LEXER_UNIX   (0)
 #define MICROPY_ENABLE_SOURCE_LINE  (1)
 #define MICROPY_ENABLE_DOC_STRING   (0)
-#define MICROPY_ERROR_REPORTING     (MICROPY_ERROR_REPORTING_TERSE)
-#define MICROPY_BUILTIN_METHOD_CHECK_SELF_ARG (0)
+#define MICROPY_ERROR_REPORTING     (MICROPY_ERROR_REPORTING_DETAILED)
+#define MICROPY_BUILTIN_METHOD_CHECK_SELF_ARG (1)
 #define MICROPY_PY_ASYNC_AWAIT      (1)
+#define MICROPY_PY_BUILTINS_STR_UNICODE (1)
+#define MICROPY_PY_BUILTINS_STR_CENTER (1)
+#define MICROPY_PY_BUILTINS_STR_PARTITION (1)
+#define MICROPY_PY_BUILTINS_STR_SPLITLINES (1)
 #define MICROPY_PY_BUILTINS_BYTEARRAY (1)
 #define MICROPY_PY_BUILTINS_DICT_FROMKEYS (1)
 #define MICROPY_PY_BUILTINS_MEMORYVIEW (1)
@@ -40,23 +45,27 @@
 #define MICROPY_PY_BUILTINS_SET     (1)
 #define MICROPY_PY_BUILTINS_SLICE   (1)
 #define MICROPY_PY_BUILTINS_PROPERTY (1)
-#define MICROPY_PY_BUILTINS_MIN_MAX (0)
+#define MICROPY_PY_BUILTINS_MIN_MAX (1)
 #define MICROPY_PY_BUILTINS_STR_COUNT (1)
-#define MICROPY_PY_BUILTINS_STR_OP_MODULO (0)
+#define MICROPY_PY_BUILTINS_STR_OP_MODULO (1)
+#define MICROPY_PY_BUILTINS_INPUT   (1)
+#define MICROPY_PY_BUILTINS_POW3    (1)
+#define MICROPY_PY_BUILTINS_ROUND_INT (1)
+#define MICROPY_PY_SYS_EXIT (1)
 #define MICROPY_PY___FILE__         (0)
 #define MICROPY_PY_GC               (1)
 #define MICROPY_PY_ARRAY            (1)
-#define MICROPY_PY_ATTRTUPLE        (0)
+#define MICROPY_PY_ATTRTUPLE        (1)
 #define MICROPY_PY_COLLECTIONS      (1)
 #define MICROPY_PY_MATH             (0)
 #define MICROPY_PY_CMATH            (0)
 #define MICROPY_PY_IO               (0)
 #define MICROPY_PY_STRUCT           (1)
-#define MICROPY_PY_SYS              (0)
+#define MICROPY_PY_SYS              (1)
 #define MICROPY_MODULE_FROZEN_MPY   (1)
-#define MICROPY_CPYTHON_COMPAT      (0)
+#define MICROPY_CPYTHON_COMPAT      (1)
 #define MICROPY_LONGINT_IMPL        (MICROPY_LONGINT_IMPL_MPZ)
-#define MICROPY_FLOAT_IMPL          (MICROPY_FLOAT_IMPL_NONE)
+#define MICROPY_FLOAT_IMPL          (MICROPY_FLOAT_IMPL_FlOAT)
 
 // type definitions for the specific machine