diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_MODULE_UBLOX_ODIN_W2/TARGET_UBLOX_EVK_ODIN_W2/hal_overrides.c b/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_MODULE_UBLOX_ODIN_W2/TARGET_UBLOX_EVK_ODIN_W2/hal_overrides.c
new file mode 100644
index 0000000000..718dc230d9
--- /dev/null
+++ b/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_MODULE_UBLOX_ODIN_W2/TARGET_UBLOX_EVK_ODIN_W2/hal_overrides.c
@@ -0,0 +1,45 @@
+/*---------------------------------------------------------------------------
+ * Copyright (c) 2017, u-blox Malmö, All Rights Reserved
+ * SPDX-License-Identifier: LicenseRef-PBL
+ *
+ * This file and the related binary are licensed under the
+ * Permissive Binary License, Version 1.0 (the "License");
+ * you may not use these files except in compliance with the License.
+ *
+ * You may obtain a copy of the License here:
+ * LICENSE-permissive-binary-license-1.0.txt and at
+ * https://www.mbed.com/licenses/PBL-1.0
+ *
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Component   : HAL
+ * File        : hal_overrides.c
+ *
+ * Description : Placeholder for HAL overrides.
+ *-------------------------------------------------------------------------*/
+
+#include "stm32f4xx_hal.h"
+#include "stm32f4xx_hal_rcc.h"
+#include "stm32f4xx_hal_gpio.h"
+
+void HAL_MspInit(void)
+{
+    __HAL_RCC_GPIOB_CLK_ENABLE();
+    __HAL_RCC_GPIOE_CLK_ENABLE();
+    
+    GPIO_InitTypeDef GPIO_InitDef;
+
+    GPIO_InitDef.Pin = GPIO_PIN_6 | GPIO_PIN_8;
+    GPIO_InitDef.Mode = GPIO_MODE_OUTPUT_PP;
+    GPIO_InitDef.Pull = GPIO_NOPULL;
+    GPIO_InitDef.Speed = GPIO_SPEED_FREQ_HIGH;
+    HAL_GPIO_Init(GPIOB, &GPIO_InitDef);
+    
+    GPIO_InitDef.Pin = GPIO_PIN_0;
+    HAL_GPIO_Init(GPIOE, &GPIO_InitDef);
+    
+    HAL_GPIO_WritePin(GPIOB, GPIO_PIN_6, GPIO_PIN_SET);
+    HAL_GPIO_WritePin(GPIOB, GPIO_PIN_8, GPIO_PIN_SET);
+    HAL_GPIO_WritePin(GPIOE, GPIO_PIN_0, GPIO_PIN_SET);
+}