diff --git a/hw/bsp/msp_exp430f5529lp/board.mk b/hw/bsp/msp_exp430f5529lp/board.mk
index 741b3e00e..b47e764bd 100644
--- a/hw/bsp/msp_exp430f5529lp/board.mk
+++ b/hw/bsp/msp_exp430f5529lp/board.mk
@@ -1,6 +1,7 @@
 CFLAGS += \
   -D__MSP430F5529__ \
-  -DCFG_TUSB_MCU=OPT_MCU_MSP430x5xx
+  -DCFG_TUSB_MCU=OPT_MCU_MSP430x5xx \
+	-DCFG_EXAMPLE_MSC_READONLY
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/msp_exp430f5529lp/msp430f5529.ld
diff --git a/src/portable/ti/msp430x5xx/dcd_msp430x5xx.c b/src/portable/ti/msp430x5xx/dcd_msp430x5xx.c
index 4c8c370ce..b2df9e3b6 100644
--- a/src/portable/ti/msp430x5xx/dcd_msp430x5xx.c
+++ b/src/portable/ti/msp430x5xx/dcd_msp430x5xx.c
@@ -29,6 +29,7 @@
 
 #if TUSB_OPT_DEVICE_ENABLED && ( CFG_TUSB_MCU == OPT_MCU_MSP430x5xx )
 
+#include "msp430.h"
 #include "device/dcd.h"
 
 /*------------------------------------------------------------------*/
diff --git a/src/tusb_option.h b/src/tusb_option.h
index eccb4245c..5de599951 100644
--- a/src/tusb_option.h
+++ b/src/tusb_option.h
@@ -60,6 +60,8 @@
 #define OPT_MCU_STM32F7       305 ///< ST STM32F7
 #define OPT_MCU_STM32H7       306 ///< ST STM32H7
 
+#define OPT_MCU_MSP430x5xx    400 ///< TI MSP430x5xx
+
 
 /** @} */