diff --git a/targets/TARGET_Silicon_Labs/TARGET_EFM32/common/objects.h b/targets/TARGET_Silicon_Labs/TARGET_EFM32/common/objects.h
index 44e3b98310..295ca48d3a 100644
--- a/targets/TARGET_Silicon_Labs/TARGET_EFM32/common/objects.h
+++ b/targets/TARGET_Silicon_Labs/TARGET_EFM32/common/objects.h
@@ -147,6 +147,11 @@ typedef enum {
 } sleepstate_enum;
 #endif
 
+#if DEVICE_FLASH
+struct flash_s {
+    MSC_TypeDef *msc;
+};
+#endif
 
 #if DEVICE_TRNG
 struct trng_s {
diff --git a/targets/TARGET_Silicon_Labs/TARGET_EFM32/flash_api.c b/targets/TARGET_Silicon_Labs/TARGET_EFM32/flash_api.c
new file mode 100644
index 0000000000..ad9aa10fcd
--- /dev/null
+++ b/targets/TARGET_Silicon_Labs/TARGET_EFM32/flash_api.c
@@ -0,0 +1,138 @@
+/***************************************************************************//**
+ * @file flash_api.c
+ *******************************************************************************
+ * @section License
+ * <b>Copyright 2017 Silicon Laboratories, Inc. http://www.silabs.com</b>
+ *******************************************************************************
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+#include "device.h"
+#if DEVICE_FLASH
+
+#include "flash_api.h"
+#include "em_msc.h"
+
+/** Initialize the flash peripheral and the flash_t object
+ *
+ * @param obj The flash object
+ * @return 0 for success, -1 for error
+ */
+int32_t flash_init(flash_t *obj)
+{
+    (void)obj;
+    return 0;
+}
+
+/** Uninitialize the flash peripheral and the flash_t object
+ *
+ * @param obj The flash object
+ * @return 0 for success, -1 for error
+ */
+int32_t flash_free(flash_t *obj)
+{
+    (void)obj;
+    return 0;
+}
+
+/** Erase one sector starting at defined address
+ *
+ * The address should be at sector boundary. This function does not do any check for address alignments
+ * @param obj The flash object
+ * @param address The sector starting address
+ * @return 0 for success, -1 for error
+ */
+int32_t flash_erase_sector(flash_t *obj, uint32_t address)
+{
+    (void)obj;
+    MSC_Status_TypeDef mscStatus = MSC_ErasePage((uint32_t *)address);
+
+    return (mscStatus == mscReturnOk) ? 0 : -1;
+}
+
+/** Program one page starting at defined address
+ *
+ * The page should be at page boundary, should not cross multiple sectors.
+ * This function does not do any check for address alignments or if size is aligned to a page size.
+ * @param obj The flash object
+ * @param address The sector starting address
+ * @param data The data buffer to be programmed
+ * @param size The number of bytes to program
+ * @return 0 for success, -1 for error
+ */
+int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size)
+{
+    (void)obj;
+    MSC_Status_TypeDef mscStatus = MSC_WriteWord((uint32_t *)address, data, size);
+
+    return (mscStatus == mscReturnOk) ? 0 : -1;
+}
+
+/** Get sector size
+ *
+ * @param obj The flash object
+ * @param address The sector starting address
+ * @return The size of a sector
+ */
+uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
+{
+    (void)obj;
+    (void)address;
+
+    if (address < FLASH_BASE || address >= FLASH_BASE + FLASH_SIZE) {
+        // Address outside of flash -- invalid sector
+        return MBED_FLASH_INVALID_SIZE;
+    }
+
+    return FLASH_PAGE_SIZE;
+}
+
+/** Get page size
+ *
+ * @param obj The flash object
+ * @param address The page starting address
+ * @return The size of a page
+ */
+uint32_t flash_get_page_size(const flash_t *obj)
+{
+    (void)obj;
+    return FLASH_PAGE_SIZE;
+}
+
+/** Get start address for the flash region
+ *
+ * @param obj The flash object
+ * @return The start address for the flash region
+ */
+uint32_t flash_get_start_address(const flash_t *obj)
+{
+    (void)obj;
+    return FLASH_BASE;
+}
+
+/** Get the flash region size
+ *
+ * @param obj The flash object
+ * @return The flash region size
+ */
+uint32_t flash_get_size(const flash_t *obj)
+{
+    (void)obj;
+    return FLASH_SIZE;
+}
+
+#endif // DEVICE_FLASH
diff --git a/targets/targets.json b/targets/targets.json
index 1207516a85..1338e4eff5 100644
--- a/targets/targets.json
+++ b/targets/targets.json
@@ -2039,7 +2039,7 @@
     "EFM32GG_STK3700": {
         "inherits": ["EFM32GG990F1024"],
         "progen": {"target": "efm32gg-stk"},
-        "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
+        "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "FLASH"],
         "forced_reset_timeout": 2,
         "config": {
             "hf_clock_src": {
@@ -2091,7 +2091,7 @@
     },
     "EFM32LG_STK3600": {
         "inherits": ["EFM32LG990F256"],
-        "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
+        "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "FLASH"],
         "forced_reset_timeout": 2,
         "device_name": "EFM32LG990F256",
         "config": {
@@ -2145,7 +2145,7 @@
     "EFM32WG_STK3800": {
         "inherits": ["EFM32WG990F256"],
         "progen": {"target": "efm32wg-stk"},
-        "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
+        "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "FLASH"],
         "forced_reset_timeout": 2,
         "config": {
             "hf_clock_src": {
@@ -2305,7 +2305,7 @@
     },
     "EFM32PG_STK3401": {
         "inherits": ["EFM32PG1B100F256GM32"],
-        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
+        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "FLASH"],
         "forced_reset_timeout": 2,
         "config": {
             "hf_clock_src": {
@@ -2366,7 +2366,7 @@
     },
     "EFR32MG1_BRD4150": {
         "inherits": ["EFR32MG1P132F256GM48"],
-        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
+        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "FLASH"],
         "forced_reset_timeout": 2,
         "config": {
             "hf_clock_src": {
@@ -2409,7 +2409,7 @@
     },
     "TB_SENSE_1": {
         "inherits": ["EFR32MG1P233F256GM48"],
-        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
+        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "FLASH"],
         "forced_reset_timeout": 5,
         "config": {
             "hf_clock_src": {
@@ -2455,7 +2455,7 @@
     },
     "EFM32PG12_STK3402": {
         "inherits": ["EFM32PG12B500F1024GL125"],
-        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG"],
+        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG", "FLASH"],
         "forced_reset_timeout": 2,
         "config": {
             "hf_clock_src": {
@@ -2506,7 +2506,7 @@
     },
 	"TB_SENSE_12": {
         "inherits": ["EFR32MG12P332F1024GL125"],
-        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG"],
+        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG", "FLASH"],
         "forced_reset_timeout": 5,
         "config": {
             "hf_clock_src": {