diff --git a/ports/litex/common-hal/os/__init__.c b/ports/litex/common-hal/os/__init__.c
new file mode 100644
index 000000000000..578f3e8c63c2
--- /dev/null
+++ b/ports/litex/common-hal/os/__init__.c
@@ -0,0 +1,61 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Sean Cross
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "genhdr/mpversion.h"
+#include "py/mpconfig.h"
+#include "py/objstr.h"
+#include "py/objtuple.h"
+#include "py/qstr.h"
+
+STATIC const qstr os_uname_info_fields[] = {
+    MP_QSTR_sysname, MP_QSTR_nodename,
+    MP_QSTR_release, MP_QSTR_version, MP_QSTR_machine
+};
+STATIC const MP_DEFINE_STR_OBJ(os_uname_info_sysname_obj, "litex");
+STATIC const MP_DEFINE_STR_OBJ(os_uname_info_nodename_obj, "litex");
+STATIC const MP_DEFINE_STR_OBJ(os_uname_info_release_obj, MICROPY_VERSION_STRING);
+STATIC const MP_DEFINE_STR_OBJ(os_uname_info_version_obj, MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE);
+STATIC const MP_DEFINE_STR_OBJ(os_uname_info_machine_obj, MICROPY_HW_BOARD_NAME " with " MICROPY_HW_MCU_NAME);
+
+
+STATIC MP_DEFINE_ATTRTUPLE(
+    os_uname_info_obj,
+    os_uname_info_fields,
+    5,
+    (mp_obj_t)&os_uname_info_sysname_obj,
+    (mp_obj_t)&os_uname_info_nodename_obj,
+    (mp_obj_t)&os_uname_info_release_obj,
+    (mp_obj_t)&os_uname_info_version_obj,
+    (mp_obj_t)&os_uname_info_machine_obj
+);
+
+mp_obj_t common_hal_os_uname(void) {
+    return (mp_obj_t)&os_uname_info_obj;
+}
+
+bool common_hal_os_urandom(uint8_t* buffer, uint32_t length) {
+    return false;
+}
diff --git a/ports/litex/mpconfigport.h b/ports/litex/mpconfigport.h
index cfa3eb5c7459..fcf9d3b73b4d 100644
--- a/ports/litex/mpconfigport.h
+++ b/ports/litex/mpconfigport.h
@@ -28,9 +28,12 @@
 #ifndef FPGA_MPCONFIGPORT_H__
 #define FPGA_MPCONFIGPORT_H__
 
-#define MICROPY_PY_UJSON                    (0)
 #define CIRCUITPY_INTERNAL_NVM_SIZE         (0)
 #define MICROPY_NLR_THUMB                   (0)
+#define MICROPY_PY_COLLECTIONS_ORDEREDDICT  (1)
+#define MICROPY_PY_REVERSE_SPECIAL_METHODS  (1)
+#define MICROPY_PY_UBINASCII                (1)
+#define MICROPY_PY_UJSON                    (1)
 
 #include "py/circuitpy_mpconfig.h"
 
diff --git a/ports/litex/mpconfigport.mk b/ports/litex/mpconfigport.mk
index 47e2b1abc8f2..0a82f416194e 100644
--- a/ports/litex/mpconfigport.mk
+++ b/ports/litex/mpconfigport.mk
@@ -12,20 +12,20 @@ USB_SERIAL_NUMBER_LENGTH = 30
 # Longints can be implemented as mpz, as longlong, or not
 LONGINT_IMPL = MPZ
 
-#Reduced feature set for early port
-CIRCUITPY_MINIMAL_BUILD = 1
+CIRCUITPY_ANALOGIO = 0
+CIRCUITPY_AUDIOBUSIO = 0
+CIRCUITPY_AUDIOIO = 0
+CIRCUITPY_BITBANGIO = 0
+CIRCUITPY_BOARD = 0
+CIRCUITPY_BUSIO = 0
+CIRCUITPY_DISPLAYIO = 0
+CIRCUITPY_FREQUENCYIO = 0
+CIRCUITPY_I2CSLAVE = 0
+CIRCUITPY_NVM = 0
+CIRCUITPY_PULSEIO = 0
+CIRCUITPY_ROTARYIO = 0
+CIRCUITPY_RTC = 0
 
-# CIRCUITPY_BOARD = 1
-# CIRCUITPY_DIGITALIO = 1
-# CIRCUITPY_ANALOGIO = 1
-# CIRCUITPY_MICROCONTROLLER = 1
-# CIRCUITPY_BUSIO = 1
-# CIRCUITPY_PULSEIO = 1
-# CIRCUITPY_OS = 1
-# CIRCUITPY_STORAGE = 1
-# CIRCUITPY_RANDOM = 1
+# Enable USB support
 CIRCUITPY_USB_HID = 1
 CIRCUITPY_USB_MIDI = 1
-
-#ifeq ($(MCU_SUB_VARIANT), stm32f412zx)
-#endif
diff --git a/ports/litex/mphalport.c b/ports/litex/mphalport.c
index 005a65aac4ac..0b8f01298574 100644
--- a/ports/litex/mphalport.c
+++ b/ports/litex/mphalport.c
@@ -60,6 +60,10 @@ void mp_hal_delay_ms(mp_uint_t delay) {
     }
 }
 
+void mp_hal_delay_us(mp_uint_t delay) {
+    mp_hal_delay_ms(delay / 1000);
+}
+
 extern void SysTick_Handler(void);
 
 __attribute__((section(".ramtext")))