Merge pull request #15358 from akiroz/fix-stm32-emac-rmii-pins

fix(drivers/emac): [mbed6] Remove incorrect RMII RX ER initialization
ARMmbed · Feb 1, 2023 · 5c8e60f · 5c8e60f
2 parents 0ca0db4 + 0431f16
commit 5c8e60f
Show file tree

Hide file tree

Showing 9 changed files with 76 additions and 45 deletions.
diff --git a/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F2/TARGET_NUCLEO_F207ZG/stm32f2_eth_init.c b/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F2/TARGET_NUCLEO_F207ZG/stm32f2_eth_init.c
@@ -1,6 +1,7 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2018, STMicroelectronics
  * All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -51,7 +52,7 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PB13
@@ -72,8 +73,8 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
         GPIO_InitStructure.Pin = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5;
         HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
 
-        /* Configure PG2, PG11 and PG13 */
-        GPIO_InitStructure.Pin =  GPIO_PIN_2 | GPIO_PIN_11 | GPIO_PIN_13;
+        /* Configure PG11 and PG13 */
+        GPIO_InitStructure.Pin = GPIO_PIN_11 | GPIO_PIN_13;
         HAL_GPIO_Init(GPIOG, &GPIO_InitStructure);
 
         /* Enable the Ethernet global Interrupt */
@@ -101,15 +102,15 @@ void HAL_ETH_MspDeInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PB13
          */
         HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7);
         HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13);
         HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5);
-        HAL_GPIO_DeInit(GPIOG, GPIO_PIN_2 | GPIO_PIN_11 | GPIO_PIN_13);
+        HAL_GPIO_DeInit(GPIOG, GPIO_PIN_11 | GPIO_PIN_13);
 
         /* Disable the Ethernet global Interrupt */
         NVIC_DisableIRQ(ETH_IRQn);

diff --git a/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F4/TARGET_ARCH_MAX/stm32f4_eth_init.c b/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F4/TARGET_ARCH_MAX/stm32f4_eth_init.c
@@ -1,3 +1,32 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2018, STMicroelectronics
+ * All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
 #include "stm32f4xx_hal.h"
 
 /**
@@ -20,7 +49,7 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER --------------------->
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PB11
           RMII_MII_TXD0 ---------------------> PB12
           RMII_MII_TXD1 ---------------------> PB13
@@ -66,7 +95,7 @@ void HAL_ETH_MspDeInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER --------------------->
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PB11
           RMII_MII_TXD0 ---------------------> PB12
           RMII_MII_TXD1 ---------------------> PB13

diff --git a/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F4/TARGET_NUCLEO_F429ZI/stm32f4_eth_init.c b/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F4/TARGET_NUCLEO_F429ZI/stm32f4_eth_init.c
@@ -1,6 +1,7 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2018, STMicroelectronics
  * All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -51,7 +52,7 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PB13
@@ -72,8 +73,8 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
         GPIO_InitStructure.Pin = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5;
         HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
 
-        /* Configure PG2, PG11 and PG13 */
-        GPIO_InitStructure.Pin =  GPIO_PIN_2 | GPIO_PIN_11 | GPIO_PIN_13;
+        /* Configure PG11 and PG13 */
+        GPIO_InitStructure.Pin = GPIO_PIN_11 | GPIO_PIN_13;
         HAL_GPIO_Init(GPIOG, &GPIO_InitStructure);
 
         /* Enable the Ethernet global Interrupt */
@@ -101,15 +102,15 @@ void HAL_ETH_MspDeInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PB13
          */
         HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7);
         HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13);
         HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5);
-        HAL_GPIO_DeInit(GPIOG, GPIO_PIN_2 | GPIO_PIN_11 | GPIO_PIN_13);
+        HAL_GPIO_DeInit(GPIOG, GPIO_PIN_11 | GPIO_PIN_13);
 
         /* Disable the Ethernet global Interrupt */
         NVIC_DisableIRQ(ETH_IRQn);

diff --git a/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F4/TARGET_NUCLEO_F439ZI/stm32f4_eth_init.c b/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F4/TARGET_NUCLEO_F439ZI/stm32f4_eth_init.c
@@ -1,6 +1,7 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2018, STMicroelectronics
  * All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -51,7 +52,7 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PB13
@@ -72,8 +73,8 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
         GPIO_InitStructure.Pin = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5;
         HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
 
-        /* Configure PG2, PG11 and PG13 */
-        GPIO_InitStructure.Pin =  GPIO_PIN_2 | GPIO_PIN_11 | GPIO_PIN_13;
+        /* Configure PG11 and PG13 */
+        GPIO_InitStructure.Pin = GPIO_PIN_11 | GPIO_PIN_13;
         HAL_GPIO_Init(GPIOG, &GPIO_InitStructure);
 
         /* Enable the Ethernet global Interrupt */
@@ -101,15 +102,15 @@ void HAL_ETH_MspDeInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PB13
          */
         HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7);
         HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13);
         HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5);
-        HAL_GPIO_DeInit(GPIOG, GPIO_PIN_2 | GPIO_PIN_11 | GPIO_PIN_13);
+        HAL_GPIO_DeInit(GPIOG, GPIO_PIN_11 | GPIO_PIN_13);
 
         /* Disable the Ethernet global Interrupt */
         NVIC_DisableIRQ(ETH_IRQn);

diff --git a/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F7/TARGET_DISCO_F746NG/stm32f7_eth_init.c b/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F7/TARGET_DISCO_F746NG/stm32f7_eth_init.c
@@ -1,6 +1,7 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2018, STMicroelectronics
  * All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -55,7 +56,7 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PG14
@@ -72,8 +73,8 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
         GPIO_InitStructure.Pin = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5;
         HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
 
-        /* Configure PG2, PG11, PG13 and PG14 */
-        GPIO_InitStructure.Pin =  GPIO_PIN_2 | GPIO_PIN_11 | GPIO_PIN_13 | GPIO_PIN_14;
+        /* Configure PG11, PG13 and PG14 */
+        GPIO_InitStructure.Pin = GPIO_PIN_11 | GPIO_PIN_13 | GPIO_PIN_14;
         HAL_GPIO_Init(GPIOG, &GPIO_InitStructure);
 
         /* Enable the Ethernet global Interrupt */
@@ -101,14 +102,14 @@ void HAL_ETH_MspDeInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PG14
          */
         HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7);
         HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5);
-        HAL_GPIO_DeInit(GPIOG, GPIO_PIN_2 | GPIO_PIN_11 | GPIO_PIN_13 | GPIO_PIN_14);
+        HAL_GPIO_DeInit(GPIOG, GPIO_PIN_11 | GPIO_PIN_13 | GPIO_PIN_14);
 
         /* Disable the Ethernet global Interrupt */
         NVIC_DisableIRQ(ETH_IRQn);

diff --git a/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F7/TARGET_DISCO_F769NI/stm32f7_eth_init.c b/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F7/TARGET_DISCO_F769NI/stm32f7_eth_init.c
@@ -1,6 +1,7 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2018, STMicroelectronics
  * All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -46,7 +47,6 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
         /* Enable GPIOs clocks */
         __HAL_RCC_GPIOA_CLK_ENABLE();
         __HAL_RCC_GPIOC_CLK_ENABLE();
-        __HAL_RCC_GPIOD_CLK_ENABLE();
         __HAL_RCC_GPIOG_CLK_ENABLE();
 
         /** ETH GPIO Configuration
@@ -56,7 +56,7 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PD5
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PG14
@@ -73,10 +73,6 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
         GPIO_InitStructure.Pin = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5;
         HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
 
-        /* Configure PD5 */
-        GPIO_InitStructure.Pin =  GPIO_PIN_5;
-        HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
-
         /* Configure PG11, PG13 and PG14 */
         GPIO_InitStructure.Pin =  GPIO_PIN_11 | GPIO_PIN_13 | GPIO_PIN_14;
         HAL_GPIO_Init(GPIOG, &GPIO_InitStructure);
@@ -106,14 +102,13 @@ void HAL_ETH_MspDeInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PD5
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PG14
          */
         HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7);
         HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5);
-        HAL_GPIO_DeInit(GPIOD, GPIO_PIN_5);
         HAL_GPIO_DeInit(GPIOG, GPIO_PIN_11 | GPIO_PIN_13 | GPIO_PIN_14);
 
         /* Disable the Ethernet global Interrupt */

diff --git a/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F7/TARGET_NUCLEO_F746ZG/stm32f7_eth_init.c b/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F7/TARGET_NUCLEO_F746ZG/stm32f7_eth_init.c
@@ -1,6 +1,7 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2018, STMicroelectronics
  * All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -56,7 +57,7 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PB13
@@ -77,8 +78,8 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
         GPIO_InitStructure.Pin = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5;
         HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
 
-        /* Configure PG2, PG11 and PG13 */
-        GPIO_InitStructure.Pin =  GPIO_PIN_2 | GPIO_PIN_11 | GPIO_PIN_13;
+        /* Configure PG11 and PG13 */
+        GPIO_InitStructure.Pin = GPIO_PIN_11 | GPIO_PIN_13;
         HAL_GPIO_Init(GPIOG, &GPIO_InitStructure);
 
         /* Enable the Ethernet global Interrupt */
@@ -106,15 +107,15 @@ void HAL_ETH_MspDeInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PB13
          */
         HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7);
         HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13);
         HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5);
-        HAL_GPIO_DeInit(GPIOG, GPIO_PIN_2 | GPIO_PIN_11 | GPIO_PIN_13);
+        HAL_GPIO_DeInit(GPIOG, GPIO_PIN_11 | GPIO_PIN_13);
 
         /* Disable the Ethernet global Interrupt */
         NVIC_DisableIRQ(ETH_IRQn);

diff --git a/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F7/TARGET_NUCLEO_F756ZG/stm32f7_eth_init.c b/connectivity/drivers/emac/TARGET_STM/TARGET_STM32F7/TARGET_NUCLEO_F756ZG/stm32f7_eth_init.c
@@ -1,6 +1,7 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2018, STMicroelectronics
  * All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -56,7 +57,7 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PB13
@@ -77,8 +78,8 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
         GPIO_InitStructure.Pin = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5;
         HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
 
-        /* Configure PG2, PG11 and PG13 */
-        GPIO_InitStructure.Pin =  GPIO_PIN_2 | GPIO_PIN_11 | GPIO_PIN_13;
+        /* Configure PG11 and PG13 */
+        GPIO_InitStructure.Pin = GPIO_PIN_11 | GPIO_PIN_13;
         HAL_GPIO_Init(GPIOG, &GPIO_InitStructure);
 
         /* Enable the Ethernet global Interrupt */
@@ -106,15 +107,15 @@ void HAL_ETH_MspDeInit(ETH_HandleTypeDef *heth)
           RMII_MII_CRS_DV -------------------> PA7
           RMII_MII_RXD0 ---------------------> PC4
           RMII_MII_RXD1 ---------------------> PC5
-          RMII_MII_RXER ---------------------> PG2
+          RMII_MII_RXER ---------------------> none
           RMII_MII_TX_EN --------------------> PG11
           RMII_MII_TXD0 ---------------------> PG13
           RMII_MII_TXD1 ---------------------> PB13
          */
         HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7);
         HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13);
         HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5);
-        HAL_GPIO_DeInit(GPIOG, GPIO_PIN_2 | GPIO_PIN_11 | GPIO_PIN_13);
+        HAL_GPIO_DeInit(GPIOG, GPIO_PIN_11 | GPIO_PIN_13);
 
         /* Disable the Ethernet global Interrupt */
         NVIC_DisableIRQ(ETH_IRQn);