Adding some board file stuff for the F7 discovery (nothing done yet, just adding the required files)

8 files changed, 3643 insertions, 0 deletions

diff --git a/boards/base/STM32F746-Discovery/board.mk b/boards/base/STM32F746-Discovery/board.mk
new file mode 100644
index 00000000..92854414
--- /dev/null
+++ b/boards/base/STM32F746-Discovery/board.mk
@@ -0,0 +1,5 @@
+GFXINC  +=	$(GFXLIB)/boards/base/STM32F746-Discovery
+GFXSRC  +=	$(GFXLIB)/boards/base/STM32F746-Discovery/STM32F746_discovery_sdram.c \
+			$(GFXLIB)/boards/base/STM32F746-Discovery/stm32f4xx_fmc.c
+
+include $(GFXLIB)/drivers/gdisp/STM32F746Discovery/driver.mk
\ No newline at end of file
diff --git a/boards/base/STM32F746-Discovery/board_STM32F746Discovery.h b/boards/base/STM32F746-Discovery/board_STM32F746Discovery.h
new file mode 100644
index 00000000..c06d06c6
--- /dev/null
+++ b/boards/base/STM32F746-Discovery/board_STM32F746Discovery.h
@@ -0,0 +1,85 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
+#ifndef _GDISP_LLD_BOARD_H
+#define _GDISP_LLD_BOARD_H
+
+#include "stm32f4xx_fmc.h"
+#include "stm32f429i_discovery_sdram.h"
+#include <string.h>
+
+static const ltdcConfig driverCfg = {
+	480, 270,								// Width, Height (pixels)
+	10, 2,									// Horizontal, Vertical sync (pixels)
+	20, 2,									// Horizontal, Vertical back porch (pixels)
+	10, 4,									// Horizontal, Vertical front porch (pixels)
+	0,										// Sync flags
+	0x000000,								// Clear color (RGB888)
+
+	{										// Background layer config
+		(LLDCOLOR_TYPE *)SDRAM_BANK_ADDR,	// Frame buffer address
+		480, 270,							// Width, Height (pixels)
+		480 * LTDC_PIXELBYTES,				// Line pitch (bytes)
+		LTDC_PIXELFORMAT,					// Pixel format
+		0, 0,								// Start pixel position (x, y)
+		480, 270,							// Size of virtual layer (cx, cy)
+		LTDC_COLOR_FUCHSIA,					// Default color (ARGB8888)
+		0x980088,							// Color key (RGB888)
+		LTDC_BLEND_FIX1_FIX2,				// Blending factors
+		0,									// Palette (RGB888, can be NULL)
+		0,									// Palette length
+		0xFF,								// Constant alpha factor
+		LTDC_LEF_ENABLE						// Layer configuration flags
+	},
+	
+	LTDC_UNUSED_LAYER_CONFIG				// Foreground layer config
+};
+
+static inline void init_board(GDisplay *g) {
+
+	// As we are not using multiple displays we set g->board to NULL as we don't use it.
+	g->board = 0;
+
+	switch(g->controllerdisplay) {
+	case 0:	
+		#define STM32_SAISRC_NOCLOCK    (0 << 23)   /**< No clock.                  */
+		#define STM32_SAISRC_PLL        (1 << 23)   /**< SAI_CKIN is PLL.           */
+		#define STM32_SAIR_DIV2         (0 << 16)   /**< R divided by 2.            */
+		#define STM32_SAIR_DIV4         (1 << 16)   /**< R divided by 4.            */
+		#define STM32_SAIR_DIV8         (2 << 16)   /**< R divided by 8.            */
+		#define STM32_SAIR_DIV16        (3 << 16)   /**< R divided by 16.           */
+
+		#define STM32_PLLSAIN_VALUE                 192
+		#define STM32_PLLSAIQ_VALUE                 7
+		#define STM32_PLLSAIR_VALUE                 4
+		#define STM32_PLLSAIR_POST                  STM32_SAIR_DIV4
+
+		/* PLLSAI activation.*/
+		RCC->PLLSAICFGR = (STM32_PLLSAIN_VALUE << 6) | (STM32_PLLSAIR_VALUE << 28) | (STM32_PLLSAIQ_VALUE << 24);
+		RCC->DCKCFGR = (RCC->DCKCFGR & ~RCC_DCKCFGR_PLLSAIDIVR) | STM32_PLLSAIR_POST;
+		RCC->CR |= RCC_CR_PLLSAION;
+
+		// Initialise the SDRAM
+		SDRAM_Init();
+
+		// Clear the SDRAM
+		memset((void *)SDRAM_BANK_ADDR, 0, 0x400000);
+
+		break;
+	}
+}
+
+static inline void post_init_board(GDisplay *g) {
+	(void) g;
+}
+
+static inline void set_backlight(GDisplay *g, uint8_t percent) {
+	(void) g;
+	(void) percent;
+}
+
+#endif /* _GDISP_LLD_BOARD_H */
diff --git a/boards/base/STM32F746-Discovery/stm32746g_discovery_sdram.c b/boards/base/STM32F746-Discovery/stm32746g_discovery_sdram.c
new file mode 100644
index 00000000..d214b3f1
--- /dev/null
+++ b/boards/base/STM32F746-Discovery/stm32746g_discovery_sdram.c
@@ -0,0 +1,499 @@
+/**
+  ******************************************************************************
+  * @file    stm32746g_discovery_sdram.c
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    25-June-2015
+  * @brief   This file includes the SDRAM driver for the MT48LC4M32B2B5-7 memory 
+  *          device mounted on STM32746G-Discovery board.
+  @verbatim
+   1. How To use this driver:
+   --------------------------
+      - This driver is used to drive the MT48LC4M32B2B5-7 SDRAM external memory mounted
+        on STM32746G-Discovery board.
+      - This driver does not need a specific component driver for the SDRAM device
+        to be included with.
+   
+   2. Driver description:
+   ---------------------
+     + Initialization steps:
+        o Initialize the SDRAM external memory using the BSP_SDRAM_Init() function. This 
+          function includes the MSP layer hardware resources initialization and the
+          FMC controller configuration to interface with the external SDRAM memory.
+        o It contains the SDRAM initialization sequence to program the SDRAM external 
+          device using the function BSP_SDRAM_Initialization_sequence(). Note that this 
+          sequence is standard for all SDRAM devices, but can include some differences
+          from a device to another. If it is the case, the right sequence should be 
+          implemented separately.
+     
+     + SDRAM read/write operations
+        o SDRAM external memory can be accessed with read/write operations once it is
+          initialized.
+          Read/write operation can be performed with AHB access using the functions
+          BSP_SDRAM_ReadData()/BSP_SDRAM_WriteData(), or by DMA transfer using the functions
+          BSP_SDRAM_ReadData_DMA()/BSP_SDRAM_WriteData_DMA().
+        o The AHB access is performed with 32-bit width transaction, the DMA transfer
+          configuration is fixed at single (no burst) word transfer (see the 
+          SDRAM_MspInit() static function).
+        o User can implement his own functions for read/write access with his desired 
+          configurations.
+        o If interrupt mode is used for DMA transfer, the function BSP_SDRAM_DMA_IRQHandler()
+          is called in IRQ handler file, to serve the generated interrupt once the DMA 
+          transfer is complete.
+        o You can send a command to the SDRAM device in runtime using the function 
+          BSP_SDRAM_Sendcmd(), and giving the desired command as parameter chosen between 
+          the predefined commands of the "FMC_SDRAM_CommandTypeDef" structure. 
+ 
+  @endverbatim
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+  *
+  * 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.
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32746g_discovery_sdram.h"
+
+/** @addtogroup BSP
+  * @{
+  */
+
+/** @addtogroup STM32746G_DISCOVERY
+  * @{
+  */ 
+  
+/** @defgroup STM32746G_DISCOVERY_SDRAM STM32746G_DISCOVERY_SDRAM
+  * @{
+  */ 
+
+/** @defgroup STM32746G_DISCOVERY_SDRAM_Private_Types_Definitions STM32746G_DISCOVERY_SDRAM Private Types Definitions
+  * @{
+  */ 
+/**
+  * @}
+  */
+
+/** @defgroup STM32746G_DISCOVERY_SDRAM_Private_Defines STM32746G_DISCOVERY_SDRAM Private Defines
+  * @{
+  */
+/**
+  * @}
+  */
+
+/** @defgroup STM32746G_DISCOVERY_SDRAM_Private_Macros STM32746G_DISCOVERY_SDRAM Private Macros
+  * @{
+  */  
+/**
+  * @}
+  */
+
+/** @defgroup STM32746G_DISCOVERY_SDRAM_Private_Variables STM32746G_DISCOVERY_SDRAM Private Variables
+  * @{
+  */       
+static SDRAM_HandleTypeDef sdramHandle;
+static FMC_SDRAM_TimingTypeDef Timing;
+static FMC_SDRAM_CommandTypeDef Command;
+/**
+  * @}
+  */ 
+
+/** @defgroup STM32746G_DISCOVERY_SDRAM_Private_Function_Prototypes STM32746G_DISCOVERY_SDRAM Private Function Prototypes
+  * @{
+  */ 
+/**
+  * @}
+  */
+    
+/** @defgroup STM32746G_DISCOVERY_SDRAM_Exported_Functions STM32746G_DISCOVERY_SDRAM Exported Functions
+  * @{
+  */ 
+
+/**
+  * @brief  Initializes the SDRAM device.
+  * @retval SDRAM status
+  */
+uint8_t BSP_SDRAM_Init(void)
+{ 
+  static uint8_t sdramstatus = SDRAM_ERROR;
+  /* SDRAM device configuration */
+  sdramHandle.Instance = FMC_SDRAM_DEVICE;
+    
+  /* Timing configuration for 100Mhz as SD clock frequency (System clock is up to 200Mhz) */
+  Timing.LoadToActiveDelay    = 2;
+  Timing.ExitSelfRefreshDelay = 7;
+  Timing.SelfRefreshTime      = 4;
+  Timing.RowCycleDelay        = 7;
+  Timing.WriteRecoveryTime    = 2;
+  Timing.RPDelay              = 2;
+  Timing.RCDDelay             = 2;
+  
+  sdramHandle.Init.SDBank             = FMC_SDRAM_BANK1;
+  sdramHandle.Init.ColumnBitsNumber   = FMC_SDRAM_COLUMN_BITS_NUM_8;
+  sdramHandle.Init.RowBitsNumber      = FMC_SDRAM_ROW_BITS_NUM_12;
+  sdramHandle.Init.MemoryDataWidth    = SDRAM_MEMORY_WIDTH;
+  sdramHandle.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;
+  sdramHandle.Init.CASLatency         = FMC_SDRAM_CAS_LATENCY_2;
+  sdramHandle.Init.WriteProtection    = FMC_SDRAM_WRITE_PROTECTION_DISABLE;
+  sdramHandle.Init.SDClockPeriod      = SDCLOCK_PERIOD;
+  sdramHandle.Init.ReadBurst          = FMC_SDRAM_RBURST_ENABLE;
+  sdramHandle.Init.ReadPipeDelay      = FMC_SDRAM_RPIPE_DELAY_0;
+  
+  /* SDRAM controller initialization */
+
+  BSP_SDRAM_MspInit(&sdramHandle, NULL); /* __weak function can be rewritten by the application */
+
+  if(HAL_SDRAM_Init(&sdramHandle, &Timing) != HAL_OK)
+  {
+    sdramstatus = SDRAM_ERROR;
+  }
+  else
+  {
+    sdramstatus = SDRAM_OK;
+  }
+  
+  /* SDRAM initialization sequence */
+  BSP_SDRAM_Initialization_sequence(REFRESH_COUNT);
+  
+  return sdramstatus;
+}
+
+/**
+  * @brief  DeInitializes the SDRAM device.
+  * @retval SDRAM status
+  */
+uint8_t BSP_SDRAM_DeInit(void)
+{ 
+  static uint8_t sdramstatus = SDRAM_ERROR;
+  /* SDRAM device de-initialization */
+  sdramHandle.Instance = FMC_SDRAM_DEVICE;
+
+  if(HAL_SDRAM_DeInit(&sdramHandle) != HAL_OK)
+  {
+    sdramstatus = SDRAM_ERROR;
+  }
+  else
+  {
+    sdramstatus = SDRAM_OK;
+  }
+  
+  /* SDRAM controller de-initialization */
+  BSP_SDRAM_MspDeInit(&sdramHandle, NULL);
+  
+  return sdramstatus;
+}
+
+/**
+  * @brief  Programs the SDRAM device.
+  * @param  RefreshCount: SDRAM refresh counter value 
+  * @retval None
+  */
+void BSP_SDRAM_Initialization_sequence(uint32_t RefreshCount)
+{
+  __IO uint32_t tmpmrd = 0;
+  
+  /* Step 1: Configure a clock configuration enable command */
+  Command.CommandMode            = FMC_SDRAM_CMD_CLK_ENABLE;
+  Command.CommandTarget          = FMC_SDRAM_CMD_TARGET_BANK1;
+  Command.AutoRefreshNumber      = 1;
+  Command.ModeRegisterDefinition = 0;
+
+  /* Send the command */
+  HAL_SDRAM_SendCommand(&sdramHandle, &Command, SDRAM_TIMEOUT);
+
+  /* Step 2: Insert 100 us minimum delay */ 
+  /* Inserted delay is equal to 1 ms due to systick time base unit (ms) */
+  HAL_Delay(1);
+    
+  /* Step 3: Configure a PALL (precharge all) command */ 
+  Command.CommandMode            = FMC_SDRAM_CMD_PALL;
+  Command.CommandTarget          = FMC_SDRAM_CMD_TARGET_BANK1;
+  Command.AutoRefreshNumber      = 1;
+  Command.ModeRegisterDefinition = 0;
+
+  /* Send the command */
+  HAL_SDRAM_SendCommand(&sdramHandle, &Command, SDRAM_TIMEOUT);  
+  
+  /* Step 4: Configure an Auto Refresh command */ 
+  Command.CommandMode            = FMC_SDRAM_CMD_AUTOREFRESH_MODE;
+  Command.CommandTarget          = FMC_SDRAM_CMD_TARGET_BANK1;
+  Command.AutoRefreshNumber      = 8;
+  Command.ModeRegisterDefinition = 0;
+
+  /* Send the command */
+  HAL_SDRAM_SendCommand(&sdramHandle, &Command, SDRAM_TIMEOUT);
+  
+  /* Step 5: Program the external memory mode register */
+  tmpmrd = (uint32_t)SDRAM_MODEREG_BURST_LENGTH_1          |\
+                     SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL   |\
+                     SDRAM_MODEREG_CAS_LATENCY_2           |\
+                     SDRAM_MODEREG_OPERATING_MODE_STANDARD |\
+                     SDRAM_MODEREG_WRITEBURST_MODE_SINGLE;
+  
+  Command.CommandMode            = FMC_SDRAM_CMD_LOAD_MODE;
+  Command.CommandTarget          = FMC_SDRAM_CMD_TARGET_BANK1;
+  Command.AutoRefreshNumber      = 1;
+  Command.ModeRegisterDefinition = tmpmrd;
+
+  /* Send the command */
+  HAL_SDRAM_SendCommand(&sdramHandle, &Command, SDRAM_TIMEOUT);
+  
+  /* Step 6: Set the refresh rate counter */
+  /* Set the device refresh rate */
+  HAL_SDRAM_ProgramRefreshRate(&sdramHandle, RefreshCount); 
+}
+
+/**
+  * @brief  Reads an amount of data from the SDRAM memory in polling mode.
+  * @param  uwStartAddress: Read start address
+  * @param  pData: Pointer to data to be read  
+  * @param  uwDataSize: Size of read data from the memory
+  * @retval SDRAM status
+  */
+uint8_t BSP_SDRAM_ReadData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize)
+{
+  if(HAL_SDRAM_Read_32b(&sdramHandle, (uint32_t *)uwStartAddress, pData, uwDataSize) != HAL_OK)
+  {
+    return SDRAM_ERROR;
+  }
+  else
+  {
+    return SDRAM_OK;
+  } 
+}
+
+/**
+  * @brief  Reads an amount of data from the SDRAM memory in DMA mode.
+  * @param  uwStartAddress: Read start address
+  * @param  pData: Pointer to data to be read  
+  * @param  uwDataSize: Size of read data from the memory
+  * @retval SDRAM status
+  */
+uint8_t BSP_SDRAM_ReadData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize)
+{
+  if(HAL_SDRAM_Read_DMA(&sdramHandle, (uint32_t *)uwStartAddress, pData, uwDataSize) != HAL_OK)
+  {
+    return SDRAM_ERROR;
+  }
+  else
+  {
+    return SDRAM_OK;
+  }     
+}
+
+/**
+  * @brief  Writes an amount of data to the SDRAM memory in polling mode.
+  * @param  uwStartAddress: Write start address
+  * @param  pData: Pointer to data to be written  
+  * @param  uwDataSize: Size of written data from the memory
+  * @retval SDRAM status
+  */
+uint8_t BSP_SDRAM_WriteData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize) 
+{
+  if(HAL_SDRAM_Write_32b(&sdramHandle, (uint32_t *)uwStartAddress, pData, uwDataSize) != HAL_OK)
+  {
+    return SDRAM_ERROR;
+  }
+  else
+  {
+    return SDRAM_OK;
+  }
+}
+
+/**
+  * @brief  Writes an amount of data to the SDRAM memory in DMA mode.
+  * @param  uwStartAddress: Write start address
+  * @param  pData: Pointer to data to be written  
+  * @param  uwDataSize: Size of written data from the memory
+  * @retval SDRAM status
+  */
+uint8_t BSP_SDRAM_WriteData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize) 
+{
+  if(HAL_SDRAM_Write_DMA(&sdramHandle, (uint32_t *)uwStartAddress, pData, uwDataSize) != HAL_OK)
+  {
+    return SDRAM_ERROR;
+  }
+  else
+  {
+    return SDRAM_OK;
+  } 
+}
+
+/**
+  * @brief  Sends command to the SDRAM bank.
+  * @param  SdramCmd: Pointer to SDRAM command structure 
+  * @retval SDRAM status
+  */  
+uint8_t BSP_SDRAM_Sendcmd(FMC_SDRAM_CommandTypeDef *SdramCmd)
+{
+  if(HAL_SDRAM_SendCommand(&sdramHandle, SdramCmd, SDRAM_TIMEOUT) != HAL_OK)
+  {
+    return SDRAM_ERROR;
+  }
+  else
+  {
+    return SDRAM_OK;
+  }
+}
+
+/**
+  * @brief  Handles SDRAM DMA transfer interrupt request.
+  * @retval None
+  */
+void BSP_SDRAM_DMA_IRQHandler(void)
+{
+  HAL_DMA_IRQHandler(sdramHandle.hdma); 
+}
+
+/**
+  * @brief  Initializes SDRAM MSP.
+  * @param  hsdram: SDRAM handle
+  * @param  Params
+  * @retval None
+  */
+__weak void BSP_SDRAM_MspInit(SDRAM_HandleTypeDef  *hsdram, void *Params)
+{  
+  static DMA_HandleTypeDef dma_handle;
+  GPIO_InitTypeDef gpio_init_structure;
+  
+  /* Enable FMC clock */
+  __HAL_RCC_FMC_CLK_ENABLE();
+  
+  /* Enable chosen DMAx clock */
+  __DMAx_CLK_ENABLE();
+
+  /* Enable GPIOs clock */
+  __HAL_RCC_GPIOC_CLK_ENABLE();
+  __HAL_RCC_GPIOD_CLK_ENABLE();
+  __HAL_RCC_GPIOE_CLK_ENABLE();
+  __HAL_RCC_GPIOF_CLK_ENABLE();
+  __HAL_RCC_GPIOG_CLK_ENABLE();
+  __HAL_RCC_GPIOH_CLK_ENABLE();
+  
+  /* Common GPIO configuration */
+  gpio_init_structure.Mode      = GPIO_MODE_AF_PP;
+  gpio_init_structure.Pull      = GPIO_PULLUP;
+  gpio_init_structure.Speed     = GPIO_SPEED_FAST;
+  gpio_init_structure.Alternate = GPIO_AF12_FMC;
+  
+  /* GPIOC configuration */
+  gpio_init_structure.Pin   = GPIO_PIN_3;
+  HAL_GPIO_Init(GPIOC, &gpio_init_structure);
+
+  /* GPIOD configuration */
+  gpio_init_structure.Pin   = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_3 | GPIO_PIN_8 | GPIO_PIN_9 |
+                              GPIO_PIN_10 | GPIO_PIN_14 | GPIO_PIN_15;
+  HAL_GPIO_Init(GPIOD, &gpio_init_structure);
+
+  /* GPIOE configuration */  
+  gpio_init_structure.Pin   = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_7| GPIO_PIN_8 | GPIO_PIN_9 |\
+                              GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 |\
+                              GPIO_PIN_15;
+  HAL_GPIO_Init(GPIOE, &gpio_init_structure);
+  
+  /* GPIOF configuration */  
+  gpio_init_structure.Pin   = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2| GPIO_PIN_3 | GPIO_PIN_4 |\
+                              GPIO_PIN_5 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 |\
+                              GPIO_PIN_15;
+  HAL_GPIO_Init(GPIOF, &gpio_init_structure);
+  
+  /* GPIOG configuration */  
+  gpio_init_structure.Pin   = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4| GPIO_PIN_5 | GPIO_PIN_8 |\
+                              GPIO_PIN_15;
+  HAL_GPIO_Init(GPIOG, &gpio_init_structure);
+
+  /* GPIOH configuration */  
+  gpio_init_structure.Pin   = GPIO_PIN_3 | GPIO_PIN_5;
+  HAL_GPIO_Init(GPIOH, &gpio_init_structure); 
+  
+  /* Configure common DMA parameters */
+  dma_handle.Init.Channel             = SDRAM_DMAx_CHANNEL;
+  dma_handle.Init.Direction           = DMA_MEMORY_TO_MEMORY;
+  dma_handle.Init.PeriphInc           = DMA_PINC_ENABLE;
+  dma_handle.Init.MemInc              = DMA_MINC_ENABLE;
+  dma_handle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
+  dma_handle.Init.MemDataAlignment    = DMA_MDATAALIGN_WORD;
+  dma_handle.Init.Mode                = DMA_NORMAL;
+  dma_handle.Init.Priority            = DMA_PRIORITY_HIGH;
+  dma_handle.Init.FIFOMode            = DMA_FIFOMODE_DISABLE;         
+  dma_handle.Init.FIFOThreshold       = DMA_FIFO_THRESHOLD_FULL;
+  dma_handle.Init.MemBurst            = DMA_MBURST_SINGLE;
+  dma_handle.Init.PeriphBurst         = DMA_PBURST_SINGLE; 
+  
+  dma_handle.Instance = SDRAM_DMAx_STREAM;
+  
+   /* Associate the DMA handle */
+  __HAL_LINKDMA(hsdram, hdma, dma_handle);
+  
+  /* Deinitialize the stream for new transfer */
+  HAL_DMA_DeInit(&dma_handle);
+  
+  /* Configure the DMA stream */
+  HAL_DMA_Init(&dma_handle); 
+  
+  /* NVIC configuration for DMA transfer complete interrupt */
+  HAL_NVIC_SetPriority(SDRAM_DMAx_IRQn, 5, 0);
+  HAL_NVIC_EnableIRQ(SDRAM_DMAx_IRQn);
+}
+
+/**
+  * @brief  DeInitializes SDRAM MSP.
+  * @param  hsdram: SDRAM handle
+  * @param  Params
+  * @retval None
+  */
+__weak void BSP_SDRAM_MspDeInit(SDRAM_HandleTypeDef  *hsdram, void *Params)
+{  
+    static DMA_HandleTypeDef dma_handle;
+  
+    /* Disable NVIC configuration for DMA interrupt */
+    HAL_NVIC_DisableIRQ(SDRAM_DMAx_IRQn);
+
+    /* Deinitialize the stream for new transfer */
+    dma_handle.Instance = SDRAM_DMAx_STREAM;
+    HAL_DMA_DeInit(&dma_handle);
+
+    /* GPIO pins clock, FMC clock and DMA clock can be shut down in the applications
+       by surcharging this __weak function */ 
+}
+
+/**
+  * @}
+  */  
+  
+/**
+  * @}
+  */ 
+  
+/**
+  * @}
+  */ 
+  
+/**
+  * @}
+  */ 
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/boards/base/STM32F746-Discovery/stm32746g_discovery_sdram.h b/boards/base/STM32F746-Discovery/stm32746g_discovery_sdram.h
new file mode 100644
index 00000000..cafdce5c
--- /dev/null
+++ b/boards/base/STM32F746-Discovery/stm32746g_discovery_sdram.h
@@ -0,0 +1,165 @@
+/**
+  ******************************************************************************
+  * @file    stm32746g_discovery_sdram.h
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    25-June-2015
+  * @brief   This file contains the common defines and functions prototypes for
+  *          the stm32746g_discovery_sdram.c driver.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+  *
+  * 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.
+  *
+  ******************************************************************************
+  */ 
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32746G_DISCOVERY_SDRAM_H
+#define __STM32746G_DISCOVERY_SDRAM_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif 
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f7xx_hal.h"
+
+/** @addtogroup BSP
+  * @{
+  */ 
+
+/** @addtogroup STM32746G_DISCOVERY
+  * @{
+  */
+    
+/** @addtogroup STM32746G_DISCOVERY_SDRAM
+  * @{
+  */    
+
+/** @defgroup STM32746G_DISCOVERY_SDRAM_Exported_Types STM32746G_DISCOVERY_SDRAM Exported Types
+  * @{
+  */
+
+/** 
+  * @brief  SDRAM status structure definition  
+  */     
+#define   SDRAM_OK         ((uint8_t)0x00)
+#define   SDRAM_ERROR      ((uint8_t)0x01)
+
+/** @defgroup STM32746G_DISCOVERY_SDRAM_Exported_Constants STM32746G_DISCOVERY_SDRAM Exported Constants
+  * @{
+  */ 
+#define SDRAM_DEVICE_ADDR  ((uint32_t)0xC0000000)
+#define SDRAM_DEVICE_SIZE  ((uint32_t)0x800000)  /* SDRAM device size in MBytes */
+
+/* #define SDRAM_MEMORY_WIDTH            FMC_SDRAM_MEM_BUS_WIDTH_8  */
+#define SDRAM_MEMORY_WIDTH               FMC_SDRAM_MEM_BUS_WIDTH_16
+
+#define SDCLOCK_PERIOD                   FMC_SDRAM_CLOCK_PERIOD_2
+/* #define SDCLOCK_PERIOD                FMC_SDRAM_CLOCK_PERIOD_3 */   
+
+#define REFRESH_COUNT                    ((uint32_t)0x0603)   /* SDRAM refresh counter (100Mhz SD clock) */
+   
+#define SDRAM_TIMEOUT                    ((uint32_t)0xFFFF)
+
+/* DMA definitions for SDRAM DMA transfer */
+#define __DMAx_CLK_ENABLE                 __HAL_RCC_DMA2_CLK_ENABLE
+#define __DMAx_CLK_DISABLE                __HAL_RCC_DMA2_CLK_DISABLE
+#define SDRAM_DMAx_CHANNEL                DMA_CHANNEL_0
+#define SDRAM_DMAx_STREAM                 DMA2_Stream0  
+#define SDRAM_DMAx_IRQn                   DMA2_Stream0_IRQn
+#define SDRAM_DMAx_IRQHandler             DMA2_Stream0_IRQHandler  
+/**
+  * @}
+  */ 
+  
+/**
+  * @brief  FMC SDRAM Mode definition register defines
+  */
+#define SDRAM_MODEREG_BURST_LENGTH_1             ((uint16_t)0x0000)
+#define SDRAM_MODEREG_BURST_LENGTH_2             ((uint16_t)0x0001)
+#define SDRAM_MODEREG_BURST_LENGTH_4             ((uint16_t)0x0002)
+#define SDRAM_MODEREG_BURST_LENGTH_8             ((uint16_t)0x0004)
+#define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL      ((uint16_t)0x0000)
+#define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED     ((uint16_t)0x0008)
+#define SDRAM_MODEREG_CAS_LATENCY_2              ((uint16_t)0x0020)
+#define SDRAM_MODEREG_CAS_LATENCY_3              ((uint16_t)0x0030)
+#define SDRAM_MODEREG_OPERATING_MODE_STANDARD    ((uint16_t)0x0000)
+#define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000) 
+#define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE     ((uint16_t)0x0200) 
+/**
+  * @}
+  */ 
+  
+/** @defgroup STM32746G_DISCOVERY_SDRAM_Exported_Macro STM32746G_DISCOVERY_SDRAM Exported Macro
+  * @{
+  */  
+/**
+  * @}
+  */ 
+   
+/** @addtogroup STM32746G_DISCOVERY_SDRAM_Exported_Functions
+  * @{
+  */  
+uint8_t BSP_SDRAM_Init(void);
+uint8_t BSP_SDRAM_DeInit(void);
+void    BSP_SDRAM_Initialization_sequence(uint32_t RefreshCount);
+uint8_t BSP_SDRAM_ReadData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
+uint8_t BSP_SDRAM_ReadData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
+uint8_t BSP_SDRAM_WriteData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
+uint8_t BSP_SDRAM_WriteData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
+uint8_t BSP_SDRAM_Sendcmd(FMC_SDRAM_CommandTypeDef *SdramCmd);
+void    BSP_SDRAM_DMA_IRQHandler(void);  
+   
+/* These functions can be modified in case the current settings (e.g. DMA stream)
+   need to be changed for specific application needs */
+void    BSP_SDRAM_MspInit(SDRAM_HandleTypeDef  *hsdram, void *Params);
+void    BSP_SDRAM_MspDeInit(SDRAM_HandleTypeDef  *hsdram, void *Params);
+
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32746G_DISCOVERY_SDRAM_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/boards/base/STM32F746-Discovery/stm32f429i_discovery_sdram.c b/boards/base/STM32F746-Discovery/stm32f429i_discovery_sdram.c
new file mode 100644
index 00000000..3b467b4b
--- /dev/null
+++ b/boards/base/STM32F746-Discovery/stm32f429i_discovery_sdram.c
@@ -0,0 +1,333 @@
+#include "ch.h"
+#include "hal.h"
+
+#include "stm32f429i_discovery_sdram.h"
+#include "stm32f4xx_fmc.h"
+
+/**
+  * @brief  Configures the FMC and GPIOs to interface with the SDRAM memory.
+  *         This function must be called before any read/write operation
+  *         on the SDRAM.
+  * @param  None
+  * @retval None
+  */
+void SDRAM_Init(void)
+{
+  FMC_SDRAMInitTypeDef  FMC_SDRAMInitStructure;
+  FMC_SDRAMTimingInitTypeDef  FMC_SDRAMTimingInitStructure; 
+  
+  /* Enable FMC clock */
+  rccEnableAHB3(RCC_AHB3ENR_FMCEN, FALSE);
+ 
+/* FMC Configuration ---------------------------------------------------------*/
+/* FMC SDRAM Bank configuration */   
+  /* Timing configuration for 84 Mhz of SD clock frequency (168Mhz/2) */
+  /* TMRD: 2 Clock cycles */
+  FMC_SDRAMTimingInitStructure.FMC_LoadToActiveDelay = 2;      
+  /* TXSR: min=70ns (6x11.90ns) */
+  FMC_SDRAMTimingInitStructure.FMC_ExitSelfRefreshDelay = 7;
+  /* TRAS: min=42ns (4x11.90ns) max=120k (ns) */
+  FMC_SDRAMTimingInitStructure.FMC_SelfRefreshTime = 4;
+  /* TRC:  min=63 (6x11.90ns) */        
+  FMC_SDRAMTimingInitStructure.FMC_RowCycleDelay = 7;         
+  /* TWR:  2 Clock cycles */
+  FMC_SDRAMTimingInitStructure.FMC_WriteRecoveryTime = 2;      
+  /* TRP:  15ns => 2x11.90ns */
+  FMC_SDRAMTimingInitStructure.FMC_RPDelay = 2;                
+  /* TRCD: 15ns => 2x11.90ns */
+  FMC_SDRAMTimingInitStructure.FMC_RCDDelay = 2;
+
+/* FMC SDRAM control configuration */
+  FMC_SDRAMInitStructure.FMC_Bank = FMC_Bank2_SDRAM;
+  /* Row addressing: [7:0] */
+  FMC_SDRAMInitStructure.FMC_ColumnBitsNumber = FMC_ColumnBits_Number_8b;
+  /* Column addressing: [11:0] */
+  FMC_SDRAMInitStructure.FMC_RowBitsNumber = FMC_RowBits_Number_12b;
+  FMC_SDRAMInitStructure.FMC_SDMemoryDataWidth = SDRAM_MEMORY_WIDTH;
+  FMC_SDRAMInitStructure.FMC_InternalBankNumber = FMC_InternalBank_Number_4;
+  FMC_SDRAMInitStructure.FMC_CASLatency = SDRAM_CAS_LATENCY; 
+  FMC_SDRAMInitStructure.FMC_WriteProtection = FMC_Write_Protection_Disable;
+  FMC_SDRAMInitStructure.FMC_SDClockPeriod = SDCLOCK_PERIOD;  
+  FMC_SDRAMInitStructure.FMC_ReadBurst = SDRAM_READBURST;
+  FMC_SDRAMInitStructure.FMC_ReadPipeDelay = FMC_ReadPipe_Delay_1;
+  FMC_SDRAMInitStructure.FMC_SDRAMTimingStruct = &FMC_SDRAMTimingInitStructure;
+  
+  /* FMC SDRAM bank initialization */
+  FMC_SDRAMInit(&FMC_SDRAMInitStructure); 
+  
+  /* FMC SDRAM device initialization sequence */
+  SDRAM_InitSequence(); 
+  
+}
+
+/*-- GPIOs Configuration -----------------------------------------------------*/
+/*
+ +-------------------+--------------------+--------------------+--------------------+
+ +                       SDRAM pins assignment                                      +
+ +-------------------+--------------------+--------------------+--------------------+
+ | PD0  <-> FMC_D2   | PE0  <-> FMC_NBL0  | PF0  <-> FMC_A0    | PG0  <-> FMC_A10   |
+ | PD1  <-> FMC_D3   | PE1  <-> FMC_NBL1  | PF1  <-> FMC_A1    | PG1  <-> FMC_A11   |
+ | PD8  <-> FMC_D13  | PE7  <-> FMC_D4    | PF2  <-> FMC_A2    | PG8  <-> FMC_SDCLK |
+ | PD9  <-> FMC_D14  | PE8  <-> FMC_D5    | PF3  <-> FMC_A3    | PG15 <-> FMC_NCAS  |
+ | PD10 <-> FMC_D15  | PE9  <-> FMC_D6    | PF4  <-> FMC_A4    |--------------------+ 
+ | PD14 <-> FMC_D0   | PE10 <-> FMC_D7    | PF5  <-> FMC_A5    |   
+ | PD15 <-> FMC_D1   | PE11 <-> FMC_D8    | PF11 <-> FMC_NRAS  | 
+ +-------------------| PE12 <-> FMC_D9    | PF12 <-> FMC_A6    | 
+                     | PE13 <-> FMC_D10   | PF13 <-> FMC_A7    |    
+                     | PE14 <-> FMC_D11   | PF14 <-> FMC_A8    |
+                     | PE15 <-> FMC_D12   | PF15 <-> FMC_A9    |
+ +-------------------+--------------------+--------------------+
+ | PB5 <-> FMC_SDCKE1| 
+ | PB6 <-> FMC_SDNE1 | 
+ | PC0 <-> FMC_SDNWE |
+ +-------------------+  
+  
+*/
+  
+//  /* Common GPIO configuration */
+//  GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AF;
+//  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+//  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+//  GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
+//
+//  /* GPIOB configuration */
+//  GPIO_PinAFConfig(GPIOB, GPIO_PinSource5 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOB, GPIO_PinSource6 , GPIO_AF_FMC);
+//
+//  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5  | GPIO_Pin_6;
+//
+//  GPIO_Init(GPIOB, &GPIO_InitStructure);
+//
+//  /* GPIOC configuration */
+//  GPIO_PinAFConfig(GPIOC, GPIO_PinSource0 , GPIO_AF_FMC);
+//
+//  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
+//
+//  GPIO_Init(GPIOC, &GPIO_InitStructure);
+//
+//  /* GPIOD configuration */
+//  GPIO_PinAFConfig(GPIOD, GPIO_PinSource0, GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOD, GPIO_PinSource1, GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOD, GPIO_PinSource8, GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOD, GPIO_PinSource9, GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOD, GPIO_PinSource10, GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOD, GPIO_PinSource14, GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOD, GPIO_PinSource15, GPIO_AF_FMC);
+//
+//  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1  | GPIO_Pin_8 |
+//                                GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_14 |
+//                                GPIO_Pin_15;
+//
+//  GPIO_Init(GPIOD, &GPIO_InitStructure);
+//
+//  /* GPIOE configuration */
+//  GPIO_PinAFConfig(GPIOE, GPIO_PinSource0 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOE, GPIO_PinSource1 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOE, GPIO_PinSource7 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOE, GPIO_PinSource8 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOE, GPIO_PinSource9 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOE, GPIO_PinSource10 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOE, GPIO_PinSource11 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOE, GPIO_PinSource12 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOE, GPIO_PinSource13 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOE, GPIO_PinSource14 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOE, GPIO_PinSource15 , GPIO_AF_FMC);
+//
+//  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0  | GPIO_Pin_1  | GPIO_Pin_7 |
+//                                GPIO_Pin_8  | GPIO_Pin_9  | GPIO_Pin_10 |
+//                                GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 |
+//                                GPIO_Pin_14 | GPIO_Pin_15;
+//
+//  GPIO_Init(GPIOE, &GPIO_InitStructure);
+//
+//  /* GPIOF configuration */
+//  GPIO_PinAFConfig(GPIOF, GPIO_PinSource0 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOF, GPIO_PinSource1 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOF, GPIO_PinSource2 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOF, GPIO_PinSource3 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOF, GPIO_PinSource4 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOF, GPIO_PinSource5 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOF, GPIO_PinSource11 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOF, GPIO_PinSource12 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOF, GPIO_PinSource13 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOF, GPIO_PinSource14 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOF, GPIO_PinSource15 , GPIO_AF_FMC);
+//
+//  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0  | GPIO_Pin_1 | GPIO_Pin_2 |
+//                                GPIO_Pin_3  | GPIO_Pin_4 | GPIO_Pin_5 |
+//                                GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 |
+//                                GPIO_Pin_14 | GPIO_Pin_15;
+//
+//  GPIO_Init(GPIOF, &GPIO_InitStructure);
+//
+//  /* GPIOG configuration */
+//  GPIO_PinAFConfig(GPIOG, GPIO_PinSource0 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOG, GPIO_PinSource1 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOG, GPIO_PinSource4 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOG, GPIO_PinSource5 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOG, GPIO_PinSource8 , GPIO_AF_FMC);
+//  GPIO_PinAFConfig(GPIOG, GPIO_PinSource15 , GPIO_AF_FMC);
+//
+//
+//  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_4 |
+//                                GPIO_Pin_5 | GPIO_Pin_8 | GPIO_Pin_15;
+//
+//  GPIO_Init(GPIOG, &GPIO_InitStructure);
+
+/**
+  * @brief  Executes the SDRAM memory initialization sequence. 
+  * @param  None. 
+  * @retval None.
+  */
+void SDRAM_InitSequence(void)
+{
+  FMC_SDRAMCommandTypeDef FMC_SDRAMCommandStructure;
+  uint32_t tmpr = 0;
+  
+/* Step 3 --------------------------------------------------------------------*/
+  /* Configure a clock configuration enable command */
+  FMC_SDRAMCommandStructure.FMC_CommandMode = FMC_Command_Mode_CLK_Enabled;
+  FMC_SDRAMCommandStructure.FMC_CommandTarget = FMC_Command_Target_bank2;
+  FMC_SDRAMCommandStructure.FMC_AutoRefreshNumber = 1;
+  FMC_SDRAMCommandStructure.FMC_ModeRegisterDefinition = 0;
+  /* Wait until the SDRAM controller is ready */ 
+  while(FMC_GetFlagStatus(FMC_Bank2_SDRAM, FMC_FLAG_Busy) != RESET)
+  {
+  }
+  /* Send the command */
+  FMC_SDRAMCmdConfig(&FMC_SDRAMCommandStructure);  
+  
+  //In the ST example, this is 100ms, but the 429 RM says 100us is typical, and
+  //the ISSI datasheet confirms this. 1ms seems plenty, and is much shorter than
+  //refresh interval, meaning we won't risk losing contents if the SDRAM is in self-refresh
+  //mode
+/* Step 4 --------------------------------------------------------------------*/
+  /* Insert 1 ms delay */
+  chThdSleepMilliseconds(1);
+    
+/* Step 5 --------------------------------------------------------------------*/
+  /* Configure a PALL (precharge all) command */ 
+  FMC_SDRAMCommandStructure.FMC_CommandMode = FMC_Command_Mode_PALL;
+  FMC_SDRAMCommandStructure.FMC_CommandTarget = FMC_Command_Target_bank2;
+  FMC_SDRAMCommandStructure.FMC_AutoRefreshNumber = 1;
+  FMC_SDRAMCommandStructure.FMC_ModeRegisterDefinition = 0;
+  /* Wait until the SDRAM controller is ready */ 
+  while(FMC_GetFlagStatus(FMC_Bank2_SDRAM, FMC_FLAG_Busy) != RESET)
+  {
+  }
+  /* Send the command */
+  FMC_SDRAMCmdConfig(&FMC_SDRAMCommandStructure);
+  
+/* Step 6 --------------------------------------------------------------------*/
+  /* Configure a Auto-Refresh command */ 
+  FMC_SDRAMCommandStructure.FMC_CommandMode = FMC_Command_Mode_AutoRefresh;
+  FMC_SDRAMCommandStructure.FMC_CommandTarget = FMC_Command_Target_bank2;
+  FMC_SDRAMCommandStructure.FMC_AutoRefreshNumber = 4;
+  FMC_SDRAMCommandStructure.FMC_ModeRegisterDefinition = 0;
+  /* Wait until the SDRAM controller is ready */ 
+  while(FMC_GetFlagStatus(FMC_Bank2_SDRAM, FMC_FLAG_Busy) != RESET)
+  {
+  }
+  /* Send the  first command */
+  FMC_SDRAMCmdConfig(&FMC_SDRAMCommandStructure);
+  
+  /* Wait until the SDRAM controller is ready */ 
+  while(FMC_GetFlagStatus(FMC_Bank2_SDRAM, FMC_FLAG_Busy) != RESET)
+  {
+  }
+  /* Send the second command */
+  FMC_SDRAMCmdConfig(&FMC_SDRAMCommandStructure);
+  
+/* Step 7 --------------------------------------------------------------------*/
+  /* Program the external memory mode register */
+  tmpr = (uint32_t)SDRAM_MODEREG_BURST_LENGTH_2          |
+                   SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL   |
+                   SDRAM_MODEREG_CAS_LATENCY_3           |
+                   SDRAM_MODEREG_OPERATING_MODE_STANDARD |
+                   SDRAM_MODEREG_WRITEBURST_MODE_SINGLE;
+  
+  /* Configure a load Mode register command*/ 
+  FMC_SDRAMCommandStructure.FMC_CommandMode = FMC_Command_Mode_LoadMode;
+  FMC_SDRAMCommandStructure.FMC_CommandTarget = FMC_Command_Target_bank2;
+  FMC_SDRAMCommandStructure.FMC_AutoRefreshNumber = 1;
+  FMC_SDRAMCommandStructure.FMC_ModeRegisterDefinition = tmpr;
+  /* Wait until the SDRAM controller is ready */ 
+  while(FMC_GetFlagStatus(FMC_Bank2_SDRAM, FMC_FLAG_Busy) != RESET)
+  {
+  }
+  /* Send the command */
+  FMC_SDRAMCmdConfig(&FMC_SDRAMCommandStructure);
+  
+/* Step 8 --------------------------------------------------------------------*/
+
+  /* Set the refresh rate counter */
+  /* (7.81 us x Freq) - 20 */
+  /* Set the device refresh counter */
+  FMC_SetRefreshCount(683);
+  /* Wait until the SDRAM controller is ready */ 
+  while(FMC_GetFlagStatus(FMC_Bank2_SDRAM, FMC_FLAG_Busy) != RESET)
+  {
+  }
+}
+
+
+/**
+  * @brief  Writes a Entire-word buffer to the SDRAM memory. 
+  * @param  pBuffer: pointer to buffer. 
+  * @param  uwWriteAddress: SDRAM memory internal address from which the data will be 
+  *         written.
+  * @param  uwBufferSize: number of words to write. 
+  * @retval None.
+  */
+void SDRAM_WriteBuffer(uint32_t* pBuffer, uint32_t uwWriteAddress, uint32_t uwBufferSize)
+{
+  __IO uint32_t write_pointer = (uint32_t)uwWriteAddress;
+
+  /* Disable write protection */
+  FMC_SDRAMWriteProtectionConfig(FMC_Bank2_SDRAM, DISABLE);
+  
+  /* Wait until the SDRAM controller is ready */ 
+  while(FMC_GetFlagStatus(FMC_Bank2_SDRAM, FMC_FLAG_Busy) != RESET)
+  {
+  }
+
+  /* While there is data to write */
+  for (; uwBufferSize != 0; uwBufferSize--) 
+  {
+    /* Transfer data to the memory */
+    *(uint32_t *) (SDRAM_BANK_ADDR + write_pointer) = *pBuffer++;
+
+    /* Increment the address*/
+    write_pointer += 4;
+  }
+    
+}
+
+/**
+  * @brief  Reads data buffer from the SDRAM memory. 
+  * @param  pBuffer: pointer to buffer. 
+  * @param  ReadAddress: SDRAM memory internal address from which the data will be 
+  *         read.
+  * @param  uwBufferSize: number of words to write. 
+  * @retval None.
+  */
+void SDRAM_ReadBuffer(uint32_t* pBuffer, uint32_t uwReadAddress, uint32_t uwBufferSize)
+{
+  __IO uint32_t write_pointer = (uint32_t)uwReadAddress;
+  
+   
+  /* Wait until the SDRAM controller is ready */ 
+  while(FMC_GetFlagStatus(FMC_Bank2_SDRAM, FMC_FLAG_Busy) != RESET)
+  {
+  }
+  
+  /* Read data */
+  for(; uwBufferSize != 0x00; uwBufferSize--)
+  {
+   *pBuffer++ = *(__IO uint32_t *)(SDRAM_BANK_ADDR + write_pointer );
+    
+   /* Increment the address*/
+    write_pointer += 4;
+  } 
+}
+
diff --git a/boards/base/STM32F746-Discovery/stm32f429i_discovery_sdram.h b/boards/base/STM32F746-Discovery/stm32f429i_discovery_sdram.h
new file mode 100644
index 00000000..fba5115d
--- /dev/null
+++ b/boards/base/STM32F746-Discovery/stm32f429i_discovery_sdram.h
@@ -0,0 +1,96 @@
+/**
+  ******************************************************************************
+  * @file    stm32f429i_discovery_sdram.h
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    20-September-2013
+  * @brief   This file contains all the functions prototypes for the 
+  *          stm324x9i_disco_sdram.c driver.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
+  *
+  * Licensed under MCD-ST Liberty SW License Agreement V2, (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.st.com/software_license_agreement_liberty_v2
+  *
+  * 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.
+  *
+  ******************************************************************************
+  */   
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32429I_DISCO_SDRAM_H
+#define __STM32429I_DISCO_SDRAM_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+//FIXME this should not be needed
+#define STM32F429_439xx
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx.h"
+
+/**
+  * @brief  FMC SDRAM Bank address
+  */   
+#define SDRAM_BANK_ADDR     ((uint32_t)0xD0000000)
+  
+/**
+  * @brief  FMC SDRAM Memory Width
+  */  
+/* #define SDRAM_MEMORY_WIDTH   FMC_SDMemory_Width_8b  */
+#define SDRAM_MEMORY_WIDTH    FMC_SDMemory_Width_16b 
+
+/**
+  * @brief  FMC SDRAM CAS Latency
+  */  
+/* #define SDRAM_CAS_LATENCY   FMC_CAS_Latency_2  */
+#define SDRAM_CAS_LATENCY    FMC_CAS_Latency_3
+
+/**
+  * @brief  FMC SDRAM Memory clock period
+  */  
+#define SDCLOCK_PERIOD    FMC_SDClock_Period_2        /* Default configuration used with LCD */
+/* #define SDCLOCK_PERIOD    FMC_SDClock_Period_3 */
+
+/**
+  * @brief  FMC SDRAM Memory Read Burst feature
+  */  
+#define SDRAM_READBURST    FMC_Read_Burst_Disable    /* Default configuration used with LCD */
+/* #define SDRAM_READBURST    FMC_Read_Burst_Enable  */
+
+/**
+  * @brief  FMC SDRAM Mode definition register defines
+  */
+#define SDRAM_MODEREG_BURST_LENGTH_1             ((uint16_t)0x0000)
+#define SDRAM_MODEREG_BURST_LENGTH_2             ((uint16_t)0x0001)
+#define SDRAM_MODEREG_BURST_LENGTH_4             ((uint16_t)0x0002)
+#define SDRAM_MODEREG_BURST_LENGTH_8             ((uint16_t)0x0004)
+#define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL      ((uint16_t)0x0000)
+#define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED     ((uint16_t)0x0008)
+#define SDRAM_MODEREG_CAS_LATENCY_2              ((uint16_t)0x0020)
+#define SDRAM_MODEREG_CAS_LATENCY_3              ((uint16_t)0x0030)
+#define SDRAM_MODEREG_OPERATING_MODE_STANDARD    ((uint16_t)0x0000)
+#define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000) 
+#define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE     ((uint16_t)0x0200)      
+
+void  SDRAM_Init(void);
+void  SDRAM_InitSequence(void);
+void  SDRAM_WriteBuffer(uint32_t* pBuffer, uint32_t uwWriteAddress, uint32_t uwBufferSize);
+void  SDRAM_ReadBuffer(uint32_t* pBuffer, uint32_t uwReadAddress, uint32_t uwBufferSize);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/boards/base/STM32F746-Discovery/stm32f7xx_ll_fmc.c b/boards/base/STM32F746-Discovery/stm32f7xx_ll_fmc.c
new file mode 100644
index 00000000..38adbcae
--- /dev/null
+++ b/boards/base/STM32F746-Discovery/stm32f7xx_ll_fmc.c
@@ -0,0 +1,1123 @@
+/**
+  ******************************************************************************
+  * @file    stm32f7xx_ll_fmc.c
+  * @author  MCD Application Team
+  * @version V1.0.1
+  * @date    25-June-2015
+  * @brief   FMC Low Layer HAL module driver.
+  *    
+  *          This file provides firmware functions to manage the following 
+  *          functionalities of the Flexible Memory Controller (FMC) peripheral memories:
+  *           + Initialization/de-initialization functions
+  *           + Peripheral Control functions 
+  *           + Peripheral State functions
+  *         
+  @verbatim
+  ==============================================================================
+                        ##### FMC peripheral features #####
+  ==============================================================================
+  [..] The Flexible memory controller (FMC) includes three memory controllers:
+       (+) The NOR/PSRAM memory controller
+       (+) The NAND memory controller
+       (+) The Synchronous DRAM (SDRAM) controller 
+       
+  [..] The FMC functional block makes the interface with synchronous and asynchronous static
+       memories, SDRAM memories, and 16-bit PC memory cards. Its main purposes are:
+       (+) to translate AHB transactions into the appropriate external device protocol
+       (+) to meet the access time requirements of the external memory devices
+   
+  [..] All external memories share the addresses, data and control signals with the controller.
+       Each external device is accessed by means of a unique Chip Select. The FMC performs
+       only one access at a time to an external device.
+       The main features of the FMC controller are the following:
+        (+) Interface with static-memory mapped devices including:
+           (++) Static random access memory (SRAM)
+           (++) Read-only memory (ROM)
+           (++) NOR Flash memory/OneNAND Flash memory
+           (++) PSRAM (4 memory banks)
+           (++) 16-bit PC Card compatible devices
+           (++) Two banks of NAND Flash memory with ECC hardware to check up to 8 Kbytes of
+                data
+        (+) Interface with synchronous DRAM (SDRAM) memories
+        (+) Independent Chip Select control for each memory bank
+        (+) Independent configuration for each memory bank
+                    
+  @endverbatim
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+  *
+  * 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.
+  *
+  ******************************************************************************
+  */ 
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f7xx_hal.h"
+
+/** @addtogroup STM32F7xx_HAL_Driver
+  * @{
+  */
+
+/** @defgroup FMC_LL  FMC Low Layer
+  * @brief FMC driver modules
+  * @{
+  */
+
+#if defined (HAL_SRAM_MODULE_ENABLED) || defined(HAL_NOR_MODULE_ENABLED) || defined(HAL_NAND_MODULE_ENABLED) || defined(HAL_SDRAM_MODULE_ENABLED)
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Exported functions --------------------------------------------------------*/
+
+/** @defgroup FMC_LL_Exported_Functions FMC Low Layer Exported Functions
+  * @{
+  */
+
+/** @defgroup FMC_LL_Exported_Functions_NORSRAM FMC Low Layer NOR SRAM Exported Functions
+  * @brief  NORSRAM Controller functions 
+  *
+  @verbatim 
+  ==============================================================================   
+                   ##### How to use NORSRAM device driver #####
+  ==============================================================================
+ 
+  [..] 
+    This driver contains a set of APIs to interface with the FMC NORSRAM banks in order
+    to run the NORSRAM external devices.
+      
+    (+) FMC NORSRAM bank reset using the function FMC_NORSRAM_DeInit() 
+    (+) FMC NORSRAM bank control configuration using the function FMC_NORSRAM_Init()
+    (+) FMC NORSRAM bank timing configuration using the function FMC_NORSRAM_Timing_Init()
+    (+) FMC NORSRAM bank extended timing configuration using the function 
+        FMC_NORSRAM_Extended_Timing_Init()
+    (+) FMC NORSRAM bank enable/disable write operation using the functions
+        FMC_NORSRAM_WriteOperation_Enable()/FMC_NORSRAM_WriteOperation_Disable()
+        
+
+@endverbatim
+  * @{
+  */
+       
+/** @defgroup FMC_LL_NORSRAM_Exported_Functions_Group1 Initialization and de-initialization functions
+  * @brief    Initialization and Configuration functions 
+  *
+  @verbatim    
+  ==============================================================================
+              ##### Initialization and de_initialization functions #####
+  ==============================================================================
+  [..]  
+    This section provides functions allowing to:
+    (+) Initialize and configure the FMC NORSRAM interface
+    (+) De-initialize the FMC NORSRAM interface 
+    (+) Configure the FMC clock and associated GPIOs    
+ 
+@endverbatim
+  * @{
+  */
+  
+/**
+  * @brief  Initialize the FMC_NORSRAM device according to the specified
+  *         control parameters in the FMC_NORSRAM_InitTypeDef
+  * @param  Device: Pointer to NORSRAM device instance
+  * @param  Init: Pointer to NORSRAM Initialization structure   
+  * @retval HAL status
+  */
+HAL_StatusTypeDef  FMC_NORSRAM_Init(FMC_NORSRAM_TypeDef *Device, FMC_NORSRAM_InitTypeDef* Init)
+{ 
+  uint32_t tmpr = 0;
+    
+  /* Check the parameters */
+  assert_param(IS_FMC_NORSRAM_DEVICE(Device));
+  assert_param(IS_FMC_NORSRAM_BANK(Init->NSBank));
+  assert_param(IS_FMC_MUX(Init->DataAddressMux));
+  assert_param(IS_FMC_MEMORY(Init->MemoryType));
+  assert_param(IS_FMC_NORSRAM_MEMORY_WIDTH(Init->MemoryDataWidth));
+  assert_param(IS_FMC_BURSTMODE(Init->BurstAccessMode));
+  assert_param(IS_FMC_WAIT_POLARITY(Init->WaitSignalPolarity));
+  assert_param(IS_FMC_WAIT_SIGNAL_ACTIVE(Init->WaitSignalActive));
+  assert_param(IS_FMC_WRITE_OPERATION(Init->WriteOperation));
+  assert_param(IS_FMC_WAITE_SIGNAL(Init->WaitSignal));
+  assert_param(IS_FMC_EXTENDED_MODE(Init->ExtendedMode));
+  assert_param(IS_FMC_ASYNWAIT(Init->AsynchronousWait));
+  assert_param(IS_FMC_WRITE_BURST(Init->WriteBurst));
+  assert_param(IS_FMC_CONTINOUS_CLOCK(Init->ContinuousClock)); 
+  assert_param(IS_FMC_WRITE_FIFO(Init->WriteFifo));
+  assert_param(IS_FMC_PAGESIZE(Init->PageSize));
+
+  /* Get the BTCR register value */
+  tmpr = Device->BTCR[Init->NSBank];
+  
+  /* Clear MBKEN, MUXEN, MTYP, MWID, FACCEN, BURSTEN, WAITPOL, WAITCFG, WREN,
+           WAITEN, EXTMOD, ASYNCWAIT, CBURSTRW and CCLKEN bits */
+  tmpr &= ((uint32_t)~(FMC_BCR1_MBKEN     | FMC_BCR1_MUXEN    | FMC_BCR1_MTYP     | \
+                       FMC_BCR1_MWID      | FMC_BCR1_FACCEN   | FMC_BCR1_BURSTEN  | \
+                       FMC_BCR1_WAITPOL   | FMC_BCR1_CPSIZE    | FMC_BCR1_WAITCFG  | \
+                       FMC_BCR1_WREN      | FMC_BCR1_WAITEN   | FMC_BCR1_EXTMOD   | \
+                       FMC_BCR1_ASYNCWAIT | FMC_BCR1_CBURSTRW | FMC_BCR1_CCLKEN | FMC_BCR1_WFDIS));
+  
+  /* Set NORSRAM device control parameters */
+  tmpr |= (uint32_t)(Init->DataAddressMux       |\
+                    Init->MemoryType           |\
+                    Init->MemoryDataWidth      |\
+                    Init->BurstAccessMode      |\
+                    Init->WaitSignalPolarity   |\
+                    Init->WaitSignalActive     |\
+                    Init->WriteOperation       |\
+                    Init->WaitSignal           |\
+                    Init->ExtendedMode         |\
+                    Init->AsynchronousWait     |\
+                    Init->WriteBurst           |\
+                    Init->ContinuousClock      |\
+                    Init->PageSize             |\
+                    Init->WriteFifo);
+                    
+  if(Init->MemoryType == FMC_MEMORY_TYPE_NOR)
+  {
+    tmpr |= (uint32_t)FMC_NORSRAM_FLASH_ACCESS_ENABLE;
+  }
+  
+  Device->BTCR[Init->NSBank] = tmpr;
+
+  /* Configure synchronous mode when Continuous clock is enabled for bank2..4 */
+  if((Init->ContinuousClock == FMC_CONTINUOUS_CLOCK_SYNC_ASYNC) && (Init->NSBank != FMC_NORSRAM_BANK1))
+  { 
+    Init->BurstAccessMode = FMC_BURST_ACCESS_MODE_ENABLE; 
+    Device->BTCR[FMC_NORSRAM_BANK1] |= (uint32_t)(Init->BurstAccessMode  |\
+                                                  Init->ContinuousClock);
+  }
+  if(Init->NSBank != FMC_NORSRAM_BANK1)
+  {
+    Device->BTCR[FMC_NORSRAM_BANK1] |= (uint32_t)(Init->WriteFifo);              
+  }
+  
+  return HAL_OK;
+}
+
+
+/**
+  * @brief  DeInitialize the FMC_NORSRAM peripheral 
+  * @param  Device: Pointer to NORSRAM device instance
+  * @param  ExDevice: Pointer to NORSRAM extended mode device instance  
+  * @param  Bank: NORSRAM bank number  
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_NORSRAM_DeInit(FMC_NORSRAM_TypeDef *Device, FMC_NORSRAM_EXTENDED_TypeDef *ExDevice, uint32_t Bank)
+{
+  /* Check the parameters */
+  assert_param(IS_FMC_NORSRAM_DEVICE(Device));
+  assert_param(IS_FMC_NORSRAM_EXTENDED_DEVICE(ExDevice));
+  assert_param(IS_FMC_NORSRAM_BANK(Bank));
+  
+  /* Disable the FMC_NORSRAM device */
+  __FMC_NORSRAM_DISABLE(Device, Bank);
+  
+  /* De-initialize the FMC_NORSRAM device */
+  /* FMC_NORSRAM_BANK1 */
+  if(Bank == FMC_NORSRAM_BANK1)
+  {
+    Device->BTCR[Bank] = 0x000030DB;    
+  }
+  /* FMC_NORSRAM_BANK2, FMC_NORSRAM_BANK3 or FMC_NORSRAM_BANK4 */
+  else
+  {   
+    Device->BTCR[Bank] = 0x000030D2; 
+  }
+  
+  Device->BTCR[Bank + 1] = 0x0FFFFFFF;
+  ExDevice->BWTR[Bank]   = 0x0FFFFFFF;
+   
+  return HAL_OK;
+}
+
+
+/**
+  * @brief  Initialize the FMC_NORSRAM Timing according to the specified
+  *         parameters in the FMC_NORSRAM_TimingTypeDef
+  * @param  Device: Pointer to NORSRAM device instance
+  * @param  Timing: Pointer to NORSRAM Timing structure
+  * @param  Bank: NORSRAM bank number  
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_NORSRAM_Timing_Init(FMC_NORSRAM_TypeDef *Device, FMC_NORSRAM_TimingTypeDef *Timing, uint32_t Bank)
+{
+  uint32_t tmpr = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_FMC_NORSRAM_DEVICE(Device));
+  assert_param(IS_FMC_ADDRESS_SETUP_TIME(Timing->AddressSetupTime));
+  assert_param(IS_FMC_ADDRESS_HOLD_TIME(Timing->AddressHoldTime));
+  assert_param(IS_FMC_DATASETUP_TIME(Timing->DataSetupTime));
+  assert_param(IS_FMC_TURNAROUND_TIME(Timing->BusTurnAroundDuration));
+  assert_param(IS_FMC_CLK_DIV(Timing->CLKDivision));
+  assert_param(IS_FMC_DATA_LATENCY(Timing->DataLatency));
+  assert_param(IS_FMC_ACCESS_MODE(Timing->AccessMode));
+  assert_param(IS_FMC_NORSRAM_BANK(Bank));
+  
+  /* Get the BTCR register value */
+  tmpr = Device->BTCR[Bank + 1];
+
+  /* Clear ADDSET, ADDHLD, DATAST, BUSTURN, CLKDIV, DATLAT and ACCMOD bits */
+  tmpr &= ((uint32_t)~(FMC_BTR1_ADDSET  | FMC_BTR1_ADDHLD | FMC_BTR1_DATAST | \
+                       FMC_BTR1_BUSTURN | FMC_BTR1_CLKDIV | FMC_BTR1_DATLAT | \
+                       FMC_BTR1_ACCMOD));
+  
+  /* Set FMC_NORSRAM device timing parameters */  
+  tmpr |= (uint32_t)(Timing->AddressSetupTime                  |\
+                   ((Timing->AddressHoldTime) << 4)          |\
+                   ((Timing->DataSetupTime) << 8)            |\
+                   ((Timing->BusTurnAroundDuration) << 16)   |\
+                   (((Timing->CLKDivision)-1) << 20)         |\
+                   (((Timing->DataLatency)-2) << 24)         |\
+                    (Timing->AccessMode)
+                    );
+  
+  Device->BTCR[Bank + 1] = tmpr;
+  
+  /* Configure Clock division value (in NORSRAM bank 1) when continuous clock is enabled */
+  if(HAL_IS_BIT_SET(Device->BTCR[FMC_NORSRAM_BANK1], FMC_BCR1_CCLKEN))
+  {
+    tmpr = (uint32_t)(Device->BTCR[FMC_NORSRAM_BANK1 + 1] & ~(((uint32_t)0x0F) << 20)); 
+    tmpr |= (uint32_t)(((Timing->CLKDivision)-1) << 20);
+    Device->BTCR[FMC_NORSRAM_BANK1 + 1] = tmpr;
+  }  
+  
+  return HAL_OK;   
+}
+
+/**
+  * @brief  Initialize the FMC_NORSRAM Extended mode Timing according to the specified
+  *         parameters in the FMC_NORSRAM_TimingTypeDef
+  * @param  Device: Pointer to NORSRAM device instance
+  * @param  Timing: Pointer to NORSRAM Timing structure
+  * @param  Bank: NORSRAM bank number  
+  * @retval HAL status
+  */
+HAL_StatusTypeDef  FMC_NORSRAM_Extended_Timing_Init(FMC_NORSRAM_EXTENDED_TypeDef *Device, FMC_NORSRAM_TimingTypeDef *Timing, uint32_t Bank, uint32_t ExtendedMode)
+{  
+  uint32_t tmpr = 0;
+ 
+  /* Check the parameters */
+  assert_param(IS_FMC_EXTENDED_MODE(ExtendedMode));
+  
+  /* Set NORSRAM device timing register for write configuration, if extended mode is used */
+  if(ExtendedMode == FMC_EXTENDED_MODE_ENABLE)
+  {
+    /* Check the parameters */
+    assert_param(IS_FMC_NORSRAM_EXTENDED_DEVICE(Device));  
+    assert_param(IS_FMC_ADDRESS_SETUP_TIME(Timing->AddressSetupTime));
+    assert_param(IS_FMC_ADDRESS_HOLD_TIME(Timing->AddressHoldTime));
+    assert_param(IS_FMC_DATASETUP_TIME(Timing->DataSetupTime));
+    assert_param(IS_FMC_TURNAROUND_TIME(Timing->BusTurnAroundDuration));
+    assert_param(IS_FMC_CLK_DIV(Timing->CLKDivision));
+    assert_param(IS_FMC_DATA_LATENCY(Timing->DataLatency));
+    assert_param(IS_FMC_ACCESS_MODE(Timing->AccessMode));
+    assert_param(IS_FMC_NORSRAM_BANK(Bank));  
+    
+    /* Get the BWTR register value */
+    tmpr = Device->BWTR[Bank];
+
+    /* Clear ADDSET, ADDHLD, DATAST, BUSTURN, CLKDIV, DATLAT and ACCMOD bits */
+    tmpr &= ((uint32_t)~(FMC_BWTR1_ADDSET  | FMC_BWTR1_ADDHLD | FMC_BWTR1_DATAST | \
+                         FMC_BWTR1_BUSTURN | FMC_BWTR1_ACCMOD));
+    
+    tmpr |= (uint32_t)(Timing->AddressSetupTime                 |\
+                      ((Timing->AddressHoldTime) << 4)          |\
+                      ((Timing->DataSetupTime) << 8)            |\
+                      ((Timing->BusTurnAroundDuration) << 16)   |\
+                      (Timing->AccessMode));
+
+    Device->BWTR[Bank] = tmpr;
+  }
+  else
+  {
+    Device->BWTR[Bank] = 0x0FFFFFFF;
+  }   
+  
+  return HAL_OK;  
+}
+/**
+  * @}
+  */
+
+/** @addtogroup FMC_LL_NORSRAM_Private_Functions_Group2
+ *  @brief   management functions 
+ *
+@verbatim   
+  ==============================================================================
+                      ##### FMC_NORSRAM Control functions #####
+  ==============================================================================  
+  [..]
+    This subsection provides a set of functions allowing to control dynamically
+    the FMC NORSRAM interface.
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Enables dynamically FMC_NORSRAM write operation.
+  * @param  Device: Pointer to NORSRAM device instance
+  * @param  Bank: NORSRAM bank number   
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_NORSRAM_WriteOperation_Enable(FMC_NORSRAM_TypeDef *Device, uint32_t Bank)
+{
+  /* Check the parameters */
+  assert_param(IS_FMC_NORSRAM_DEVICE(Device));
+  assert_param(IS_FMC_NORSRAM_BANK(Bank));
+  
+  /* Enable write operation */
+  Device->BTCR[Bank] |= FMC_WRITE_OPERATION_ENABLE; 
+
+  return HAL_OK;  
+}
+
+/**
+  * @brief  Disables dynamically FMC_NORSRAM write operation.
+  * @param  Device: Pointer to NORSRAM device instance
+  * @param  Bank: NORSRAM bank number   
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_NORSRAM_WriteOperation_Disable(FMC_NORSRAM_TypeDef *Device, uint32_t Bank)
+{ 
+  /* Check the parameters */
+  assert_param(IS_FMC_NORSRAM_DEVICE(Device));
+  assert_param(IS_FMC_NORSRAM_BANK(Bank));
+    
+  /* Disable write operation */
+  Device->BTCR[Bank] &= ~FMC_WRITE_OPERATION_ENABLE; 
+
+  return HAL_OK;  
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup FMC_LL_Exported_Functions_NAND FMC Low Layer NAND Exported Functions
+  * @brief    NAND Controller functions 
+  *
+  @verbatim 
+  ==============================================================================
+                    ##### How to use NAND device driver #####
+  ==============================================================================
+  [..]
+    This driver contains a set of APIs to interface with the FMC NAND banks in order
+    to run the NAND external devices.
+  
+    (+) FMC NAND bank reset using the function FMC_NAND_DeInit() 
+    (+) FMC NAND bank control configuration using the function FMC_NAND_Init()
+    (+) FMC NAND bank common space timing configuration using the function 
+        FMC_NAND_CommonSpace_Timing_Init()
+    (+) FMC NAND bank attribute space timing configuration using the function 
+        FMC_NAND_AttributeSpace_Timing_Init()
+    (+) FMC NAND bank enable/disable ECC correction feature using the functions
+        FMC_NAND_ECC_Enable()/FMC_NAND_ECC_Disable()
+    (+) FMC NAND bank get ECC correction code using the function FMC_NAND_GetECC()    
+
+@endverbatim
+  * @{
+  */
+
+/** @defgroup FMC_LL_NAND_Exported_Functions_Group1 Initialization and de-initialization functions
+ *  @brief    Initialization and Configuration functions 
+ *
+@verbatim    
+  ==============================================================================
+              ##### Initialization and de_initialization functions #####
+  ==============================================================================
+  [..]  
+    This section provides functions allowing to:
+    (+) Initialize and configure the FMC NAND interface
+    (+) De-initialize the FMC NAND interface 
+    (+) Configure the FMC clock and associated GPIOs
+        
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Initializes the FMC_NAND device according to the specified
+  *         control parameters in the FMC_NAND_HandleTypeDef
+  * @param  Device: Pointer to NAND device instance
+  * @param  Init: Pointer to NAND Initialization structure
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_NAND_Init(FMC_NAND_TypeDef *Device, FMC_NAND_InitTypeDef *Init)
+{
+  uint32_t tmpr  = 0; 
+    
+  /* Check the parameters */
+  assert_param(IS_FMC_NAND_DEVICE(Device));
+  assert_param(IS_FMC_NAND_BANK(Init->NandBank));
+  assert_param(IS_FMC_WAIT_FEATURE(Init->Waitfeature));
+  assert_param(IS_FMC_NAND_MEMORY_WIDTH(Init->MemoryDataWidth));
+  assert_param(IS_FMC_ECC_STATE(Init->EccComputation));
+  assert_param(IS_FMC_ECCPAGE_SIZE(Init->ECCPageSize));
+  assert_param(IS_FMC_TCLR_TIME(Init->TCLRSetupTime));
+  assert_param(IS_FMC_TAR_TIME(Init->TARSetupTime));   
+
+  /* Get the NAND bank 3 register value */
+  tmpr = Device->PCR;
+
+  /* Clear PWAITEN, PBKEN, PTYP, PWID, ECCEN, TCLR, TAR and ECCPS bits */
+  tmpr &= ((uint32_t)~(FMC_PCR_PWAITEN  | FMC_PCR_PBKEN | FMC_PCR_PTYP | \
+                       FMC_PCR_PWID | FMC_PCR_ECCEN | FMC_PCR_TCLR | \
+                       FMC_PCR_TAR | FMC_PCR_ECCPS));  
+  /* Set NAND device control parameters */
+  tmpr |= (uint32_t)(Init->Waitfeature                |\
+                      FMC_PCR_MEMORY_TYPE_NAND         |\
+                      Init->MemoryDataWidth            |\
+                      Init->EccComputation             |\
+                      Init->ECCPageSize                |\
+                      ((Init->TCLRSetupTime) << 9)     |\
+                      ((Init->TARSetupTime) << 13));   
+  
+    /* NAND bank 3 registers configuration */
+    Device->PCR  = tmpr;
+  
+  return HAL_OK;
+
+}
+
+/**
+  * @brief  Initializes the FMC_NAND Common space Timing according to the specified
+  *         parameters in the FMC_NAND_PCC_TimingTypeDef
+  * @param  Device: Pointer to NAND device instance
+  * @param  Timing: Pointer to NAND timing structure
+  * @param  Bank: NAND bank number   
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_NAND_CommonSpace_Timing_Init(FMC_NAND_TypeDef *Device, FMC_NAND_PCC_TimingTypeDef *Timing, uint32_t Bank)
+{
+  uint32_t tmpr = 0;  
+  
+  /* Check the parameters */
+  assert_param(IS_FMC_NAND_DEVICE(Device));
+  assert_param(IS_FMC_SETUP_TIME(Timing->SetupTime));
+  assert_param(IS_FMC_WAIT_TIME(Timing->WaitSetupTime));
+  assert_param(IS_FMC_HOLD_TIME(Timing->HoldSetupTime));
+  assert_param(IS_FMC_HIZ_TIME(Timing->HiZSetupTime));
+  assert_param(IS_FMC_NAND_BANK(Bank));
+  
+  /* Get the NAND bank 3 register value */
+  tmpr = Device->PMEM;
+
+  /* Clear MEMSETx, MEMWAITx, MEMHOLDx and MEMHIZx bits */
+  tmpr &= ((uint32_t)~(FMC_PMEM_MEMSET3  | FMC_PMEM_MEMWAIT3 | FMC_PMEM_MEMHOLD3 | \
+                       FMC_PMEM_MEMHIZ3)); 
+  /* Set FMC_NAND device timing parameters */
+  tmpr |= (uint32_t)(Timing->SetupTime                  |\
+                       ((Timing->WaitSetupTime) << 8)     |\
+                       ((Timing->HoldSetupTime) << 16)    |\
+                       ((Timing->HiZSetupTime) << 24)
+                       );
+                            
+    /* NAND bank 3 registers configuration */
+    Device->PMEM = tmpr;
+  
+  return HAL_OK;  
+}
+
+/**
+  * @brief  Initializes the FMC_NAND Attribute space Timing according to the specified
+  *         parameters in the FMC_NAND_PCC_TimingTypeDef
+  * @param  Device: Pointer to NAND device instance
+  * @param  Timing: Pointer to NAND timing structure
+  * @param  Bank: NAND bank number 
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_NAND_AttributeSpace_Timing_Init(FMC_NAND_TypeDef *Device, FMC_NAND_PCC_TimingTypeDef *Timing, uint32_t Bank)
+{
+  uint32_t tmpr = 0;  
+  
+  /* Check the parameters */ 
+  assert_param(IS_FMC_NAND_DEVICE(Device)); 
+  assert_param(IS_FMC_SETUP_TIME(Timing->SetupTime));
+  assert_param(IS_FMC_WAIT_TIME(Timing->WaitSetupTime));
+  assert_param(IS_FMC_HOLD_TIME(Timing->HoldSetupTime));
+  assert_param(IS_FMC_HIZ_TIME(Timing->HiZSetupTime));
+  assert_param(IS_FMC_NAND_BANK(Bank));
+  
+  /* Get the NAND bank 3 register value */
+  tmpr = Device->PATT;
+
+  /* Clear ATTSETx, ATTWAITx, ATTHOLDx and ATTHIZx bits */
+  tmpr &= ((uint32_t)~(FMC_PATT_ATTSET3  | FMC_PATT_ATTWAIT3 | FMC_PATT_ATTHOLD3 | \
+                       FMC_PATT_ATTHIZ3));
+  /* Set FMC_NAND device timing parameters */
+  tmpr |= (uint32_t)(Timing->SetupTime                  |\
+                   ((Timing->WaitSetupTime) << 8)     |\
+                   ((Timing->HoldSetupTime) << 16)    |\
+                   ((Timing->HiZSetupTime) << 24));
+                       
+    /* NAND bank 3 registers configuration */
+    Device->PATT = tmpr;
+  
+  return HAL_OK;
+}
+
+/**
+  * @brief  DeInitializes the FMC_NAND device 
+  * @param  Device: Pointer to NAND device instance
+  * @param  Bank: NAND bank number
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_NAND_DeInit(FMC_NAND_TypeDef *Device, uint32_t Bank)
+{
+  /* Check the parameters */ 
+  assert_param(IS_FMC_NAND_DEVICE(Device)); 
+  assert_param(IS_FMC_NAND_BANK(Bank));
+      
+  /* Disable the NAND Bank */
+  __FMC_NAND_DISABLE(Device);
+ 
+    /* Set the FMC_NAND_BANK3 registers to their reset values */
+    Device->PCR  = 0x00000018;
+    Device->SR   = 0x00000040;
+    Device->PMEM = 0xFCFCFCFC;
+    Device->PATT = 0xFCFCFCFC; 
+  
+  return HAL_OK;
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup HAL_FMC_NAND_Group3 Control functions 
+  *  @brief   management functions 
+  *
+@verbatim   
+  ==============================================================================
+                       ##### FMC_NAND Control functions #####
+  ==============================================================================  
+  [..]
+    This subsection provides a set of functions allowing to control dynamically
+    the FMC NAND interface.
+
+@endverbatim
+  * @{
+  */ 
+
+    
+/**
+  * @brief  Enables dynamically FMC_NAND ECC feature.
+  * @param  Device: Pointer to NAND device instance
+  * @param  Bank: NAND bank number
+  * @retval HAL status
+  */    
+HAL_StatusTypeDef FMC_NAND_ECC_Enable(FMC_NAND_TypeDef *Device, uint32_t Bank)
+{
+  /* Check the parameters */ 
+  assert_param(IS_FMC_NAND_DEVICE(Device)); 
+  assert_param(IS_FMC_NAND_BANK(Bank));
+    
+  /* Enable ECC feature */
+    Device->PCR |= FMC_PCR_ECCEN;
+  
+  return HAL_OK;  
+}
+
+
+/**
+  * @brief  Disables dynamically FMC_NAND ECC feature.
+  * @param  Device: Pointer to NAND device instance
+  * @param  Bank: NAND bank number
+  * @retval HAL status
+  */  
+HAL_StatusTypeDef FMC_NAND_ECC_Disable(FMC_NAND_TypeDef *Device, uint32_t Bank)  
+{  
+  /* Check the parameters */ 
+  assert_param(IS_FMC_NAND_DEVICE(Device)); 
+  assert_param(IS_FMC_NAND_BANK(Bank));
+    
+  /* Disable ECC feature */
+    Device->PCR &= ~FMC_PCR_ECCEN;
+
+  return HAL_OK;  
+}
+
+/**
+  * @brief  Disables dynamically FMC_NAND ECC feature.
+  * @param  Device: Pointer to NAND device instance
+  * @param  ECCval: Pointer to ECC value
+  * @param  Bank: NAND bank number
+  * @param  Timeout: Timeout wait value  
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_NAND_GetECC(FMC_NAND_TypeDef *Device, uint32_t *ECCval, uint32_t Bank, uint32_t Timeout)
+{
+  uint32_t tickstart = 0;
+
+  /* Check the parameters */ 
+  assert_param(IS_FMC_NAND_DEVICE(Device)); 
+  assert_param(IS_FMC_NAND_BANK(Bank));
+
+  /* Get tick */ 
+  tickstart = HAL_GetTick();
+
+  /* Wait until FIFO is empty */
+  while(__FMC_NAND_GET_FLAG(Device, Bank, FMC_FLAG_FEMPT) == RESET)
+  {
+    /* Check for the Timeout */
+    if(Timeout != HAL_MAX_DELAY)
+    {
+      if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
+      {
+        return HAL_TIMEOUT;
+      }
+    }  
+  }
+ 
+  /* Get the ECCR register value */
+  *ECCval = (uint32_t)Device->ECCR;
+
+  return HAL_OK;  
+}
+
+/**
+  * @}
+  */
+  
+/**
+  * @}
+  */
+
+/** @defgroup FMC_LL_SDRAM
+  * @brief    SDRAM Controller functions 
+  *
+  @verbatim 
+  ==============================================================================
+                     ##### How to use SDRAM device driver #####
+  ==============================================================================
+  [..] 
+    This driver contains a set of APIs to interface with the FMC SDRAM banks in order
+    to run the SDRAM external devices.
+    
+    (+) FMC SDRAM bank reset using the function FMC_SDRAM_DeInit() 
+    (+) FMC SDRAM bank control configuration using the function FMC_SDRAM_Init()
+    (+) FMC SDRAM bank timing configuration using the function FMC_SDRAM_Timing_Init()
+    (+) FMC SDRAM bank enable/disable write operation using the functions
+        FMC_SDRAM_WriteOperation_Enable()/FMC_SDRAM_WriteOperation_Disable()   
+    (+) FMC SDRAM bank send command using the function FMC_SDRAM_SendCommand()      
+       
+@endverbatim
+  * @{
+  */
+         
+/** @addtogroup FMC_LL_SDRAM_Private_Functions_Group1
+  *  @brief    Initialization and Configuration functions 
+  *
+@verbatim    
+  ==============================================================================
+              ##### Initialization and de_initialization functions #####
+  ==============================================================================
+  [..]  
+    This section provides functions allowing to:
+    (+) Initialize and configure the FMC SDRAM interface
+    (+) De-initialize the FMC SDRAM interface 
+    (+) Configure the FMC clock and associated GPIOs
+        
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Initializes the FMC_SDRAM device according to the specified
+  *         control parameters in the FMC_SDRAM_InitTypeDef
+  * @param  Device: Pointer to SDRAM device instance
+  * @param  Init: Pointer to SDRAM Initialization structure   
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_SDRAM_Init(FMC_SDRAM_TypeDef *Device, FMC_SDRAM_InitTypeDef *Init)
+{
+  uint32_t tmpr1 = 0;
+  uint32_t tmpr2 = 0;
+    
+  /* Check the parameters */
+  assert_param(IS_FMC_SDRAM_DEVICE(Device));
+  assert_param(IS_FMC_SDRAM_BANK(Init->SDBank));
+  assert_param(IS_FMC_COLUMNBITS_NUMBER(Init->ColumnBitsNumber));
+  assert_param(IS_FMC_ROWBITS_NUMBER(Init->RowBitsNumber));
+  assert_param(IS_FMC_SDMEMORY_WIDTH(Init->MemoryDataWidth));
+  assert_param(IS_FMC_INTERNALBANK_NUMBER(Init->InternalBankNumber));
+  assert_param(IS_FMC_CAS_LATENCY(Init->CASLatency));
+  assert_param(IS_FMC_WRITE_PROTECTION(Init->WriteProtection));
+  assert_param(IS_FMC_SDCLOCK_PERIOD(Init->SDClockPeriod));
+  assert_param(IS_FMC_READ_BURST(Init->ReadBurst));
+  assert_param(IS_FMC_READPIPE_DELAY(Init->ReadPipeDelay));   
+
+  /* Set SDRAM bank configuration parameters */
+  if (Init->SDBank != FMC_SDRAM_BANK2) 
+  { 
+    tmpr1 = Device->SDCR[FMC_SDRAM_BANK1];
+    
+    /* Clear NC, NR, MWID, NB, CAS, WP, SDCLK, RBURST, and RPIPE bits */
+    tmpr1 &= ((uint32_t)~(FMC_SDCR1_NC  | FMC_SDCR1_NR | FMC_SDCR1_MWID | \
+                         FMC_SDCR1_NB  | FMC_SDCR1_CAS | FMC_SDCR1_WP | \
+                         FMC_SDCR1_SDCLK | FMC_SDCR1_RBURST | FMC_SDCR1_RPIPE));
+
+    tmpr1 |= (uint32_t)(Init->ColumnBitsNumber   |\
+                        Init->RowBitsNumber      |\
+                        Init->MemoryDataWidth    |\
+                        Init->InternalBankNumber |\
+                        Init->CASLatency         |\
+                        Init->WriteProtection    |\
+                        Init->SDClockPeriod      |\
+                        Init->ReadBurst          |\
+                        Init->ReadPipeDelay
+                        );                                      
+    Device->SDCR[FMC_SDRAM_BANK1] = tmpr1;
+  }
+  else /* FMC_Bank2_SDRAM */                      
+  {
+    tmpr1 = Device->SDCR[FMC_SDRAM_BANK1];
+    
+    /* Clear NC, NR, MWID, NB, CAS, WP, SDCLK, RBURST, and RPIPE bits */
+    tmpr1 &= ((uint32_t)~(FMC_SDCR1_NC  | FMC_SDCR1_NR | FMC_SDCR1_MWID | \
+                          FMC_SDCR1_NB  | FMC_SDCR1_CAS | FMC_SDCR1_WP | \
+                          FMC_SDCR1_SDCLK | FMC_SDCR1_RBURST | FMC_SDCR1_RPIPE));
+    
+    tmpr1 |= (uint32_t)(Init->SDClockPeriod      |\
+                        Init->ReadBurst          |\
+                        Init->ReadPipeDelay);  
+    
+    tmpr2 = Device->SDCR[FMC_SDRAM_BANK2];
+    
+    /* Clear NC, NR, MWID, NB, CAS, WP, SDCLK, RBURST, and RPIPE bits */
+    tmpr2 &= ((uint32_t)~(FMC_SDCR1_NC  | FMC_SDCR1_NR | FMC_SDCR1_MWID | \
+                          FMC_SDCR1_NB  | FMC_SDCR1_CAS | FMC_SDCR1_WP | \
+                          FMC_SDCR1_SDCLK | FMC_SDCR1_RBURST | FMC_SDCR1_RPIPE));
+
+    tmpr2 |= (uint32_t)(Init->ColumnBitsNumber   |\
+                       Init->RowBitsNumber      |\
+                       Init->MemoryDataWidth    |\
+                       Init->InternalBankNumber |\
+                       Init->CASLatency         |\
+                       Init->WriteProtection);
+
+    Device->SDCR[FMC_SDRAM_BANK1] = tmpr1;
+    Device->SDCR[FMC_SDRAM_BANK2] = tmpr2;
+  }  
+  
+  return HAL_OK;
+}
+
+/**
+  * @brief  Initializes the FMC_SDRAM device timing according to the specified
+  *         parameters in the FMC_SDRAM_TimingTypeDef
+  * @param  Device: Pointer to SDRAM device instance
+  * @param  Timing: Pointer to SDRAM Timing structure
+  * @param  Bank: SDRAM bank number   
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_SDRAM_Timing_Init(FMC_SDRAM_TypeDef *Device, FMC_SDRAM_TimingTypeDef *Timing, uint32_t Bank)
+{
+  uint32_t tmpr1 = 0;
+  uint32_t tmpr2 = 0;
+    
+  /* Check the parameters */
+  assert_param(IS_FMC_SDRAM_DEVICE(Device));
+  assert_param(IS_FMC_LOADTOACTIVE_DELAY(Timing->LoadToActiveDelay));
+  assert_param(IS_FMC_EXITSELFREFRESH_DELAY(Timing->ExitSelfRefreshDelay));
+  assert_param(IS_FMC_SELFREFRESH_TIME(Timing->SelfRefreshTime));
+  assert_param(IS_FMC_ROWCYCLE_DELAY(Timing->RowCycleDelay));
+  assert_param(IS_FMC_WRITE_RECOVERY_TIME(Timing->WriteRecoveryTime));
+  assert_param(IS_FMC_RP_DELAY(Timing->RPDelay));
+  assert_param(IS_FMC_RCD_DELAY(Timing->RCDDelay));
+  assert_param(IS_FMC_SDRAM_BANK(Bank));
+  
+  /* Set SDRAM device timing parameters */ 
+  if (Bank != FMC_SDRAM_BANK2) 
+  { 
+    tmpr1 = Device->SDTR[FMC_SDRAM_BANK1];
+    
+    /* Clear TMRD, TXSR, TRAS, TRC, TWR, TRP and TRCD bits */
+    tmpr1 &= ((uint32_t)~(FMC_SDTR1_TMRD  | FMC_SDTR1_TXSR | FMC_SDTR1_TRAS | \
+                          FMC_SDTR1_TRC  | FMC_SDTR1_TWR | FMC_SDTR1_TRP | \
+                          FMC_SDTR1_TRCD));
+    
+    tmpr1 |= (uint32_t)(((Timing->LoadToActiveDelay)-1)           |\
+                       (((Timing->ExitSelfRefreshDelay)-1) << 4) |\
+                       (((Timing->SelfRefreshTime)-1) << 8)      |\
+                       (((Timing->RowCycleDelay)-1) << 12)       |\
+                       (((Timing->WriteRecoveryTime)-1) <<16)    |\
+                       (((Timing->RPDelay)-1) << 20)             |\
+                       (((Timing->RCDDelay)-1) << 24));
+    Device->SDTR[FMC_SDRAM_BANK1] = tmpr1;
+  }
+  else /* FMC_Bank2_SDRAM */
+  {  
+    tmpr1 = Device->SDTR[FMC_SDRAM_BANK2];
+    
+    /* Clear TMRD, TXSR, TRAS, TRC, TWR, TRP and TRCD bits */
+    tmpr1 &= ((uint32_t)~(FMC_SDTR1_TMRD  | FMC_SDTR1_TXSR | FMC_SDTR1_TRAS | \
+                          FMC_SDTR1_TRC  | FMC_SDTR1_TWR | FMC_SDTR1_TRP | \
+                          FMC_SDTR1_TRCD));
+    
+    tmpr1 |= (uint32_t)(((Timing->LoadToActiveDelay)-1)           |\
+                       (((Timing->ExitSelfRefreshDelay)-1) << 4) |\
+                       (((Timing->SelfRefreshTime)-1) << 8)      |\
+                       (((Timing->WriteRecoveryTime)-1) <<16)    |\
+                       (((Timing->RCDDelay)-1) << 24));   
+    
+    tmpr2 = Device->SDTR[FMC_SDRAM_BANK1];
+    
+    /* Clear TMRD, TXSR, TRAS, TRC, TWR, TRP and TRCD bits */
+    tmpr2 &= ((uint32_t)~(FMC_SDTR1_TMRD  | FMC_SDTR1_TXSR | FMC_SDTR1_TRAS | \
+                          FMC_SDTR1_TRC  | FMC_SDTR1_TWR | FMC_SDTR1_TRP | \
+                          FMC_SDTR1_TRCD));
+    tmpr2 |= (uint32_t)((((Timing->RowCycleDelay)-1) << 12)       |\
+                        (((Timing->RPDelay)-1) << 20)); 
+
+    Device->SDTR[FMC_SDRAM_BANK2] = tmpr1;
+    Device->SDTR[FMC_SDRAM_BANK1] = tmpr2;
+  }   
+  
+  return HAL_OK;
+}
+
+/**
+  * @brief  DeInitializes the FMC_SDRAM peripheral 
+  * @param  Device: Pointer to SDRAM device instance
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_SDRAM_DeInit(FMC_SDRAM_TypeDef *Device, uint32_t Bank)
+{
+  /* Check the parameters */
+  assert_param(IS_FMC_SDRAM_DEVICE(Device));
+  assert_param(IS_FMC_SDRAM_BANK(Bank));
+  
+  /* De-initialize the SDRAM device */
+  Device->SDCR[Bank] = 0x000002D0;
+  Device->SDTR[Bank] = 0x0FFFFFFF;    
+  Device->SDCMR      = 0x00000000;
+  Device->SDRTR      = 0x00000000;
+  Device->SDSR       = 0x00000000;
+
+  return HAL_OK;
+}
+
+/**
+  * @}
+  */
+
+/** @addtogroup FMC_LL_SDRAMPrivate_Functions_Group2
+  *  @brief   management functions 
+  *
+@verbatim   
+  ==============================================================================
+                      ##### FMC_SDRAM Control functions #####
+  ==============================================================================  
+  [..]
+    This subsection provides a set of functions allowing to control dynamically
+    the FMC SDRAM interface.
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Enables dynamically FMC_SDRAM write protection.
+  * @param  Device: Pointer to SDRAM device instance
+  * @param  Bank: SDRAM bank number 
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_SDRAM_WriteProtection_Enable(FMC_SDRAM_TypeDef *Device, uint32_t Bank)
+{ 
+  /* Check the parameters */
+  assert_param(IS_FMC_SDRAM_DEVICE(Device));
+  assert_param(IS_FMC_SDRAM_BANK(Bank));
+  
+  /* Enable write protection */
+  Device->SDCR[Bank] |= FMC_SDRAM_WRITE_PROTECTION_ENABLE;
+  
+  return HAL_OK;  
+}
+
+/**
+  * @brief  Disables dynamically FMC_SDRAM write protection.
+  * @param  hsdram: FMC_SDRAM handle
+  * @retval HAL status
+  */
+HAL_StatusTypeDef FMC_SDRAM_WriteProtection_Disable(FMC_SDRAM_TypeDef *Device, uint32_t Bank)
+{
+  /* Check the parameters */
+  assert_param(IS_FMC_SDRAM_DEVICE(Device));
+  assert_param(IS_FMC_SDRAM_BANK(Bank));
+  
+  /* Disable write protection */
+  Device->SDCR[Bank] &= ~FMC_SDRAM_WRITE_PROTECTION_ENABLE;
+  
+  return HAL_OK;
+}
+  
+/**
+  * @brief  Send Command to the FMC SDRAM bank
+  * @param  Device: Pointer to SDRAM device instance
+  * @param  Command: Pointer to SDRAM command structure   
+  * @param  Timing: Pointer to SDRAM Timing structure
+  * @param  Timeout: Timeout wait value
+  * @retval HAL state
+  */  
+HAL_StatusTypeDef FMC_SDRAM_SendCommand(FMC_SDRAM_TypeDef *Device, FMC_SDRAM_CommandTypeDef *Command, uint32_t Timeout)
+{
+  __IO uint32_t tmpr = 0;
+  uint32_t tickstart = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_FMC_SDRAM_DEVICE(Device));
+  assert_param(IS_FMC_COMMAND_MODE(Command->CommandMode));
+  assert_param(IS_FMC_COMMAND_TARGET(Command->CommandTarget));
+  assert_param(IS_FMC_AUTOREFRESH_NUMBER(Command->AutoRefreshNumber));
+  assert_param(IS_FMC_MODE_REGISTER(Command->ModeRegisterDefinition));  
+
+  /* Set command register */
+  tmpr = (uint32_t)((Command->CommandMode)                  |\
+                    (Command->CommandTarget)                |\
+                    (((Command->AutoRefreshNumber)-1) << 5) |\
+                    ((Command->ModeRegisterDefinition) << 9)
+                    );
+    
+  Device->SDCMR = tmpr;
+
+  /* Get tick */ 
+  tickstart = HAL_GetTick();
+
+  /* wait until command is send */
+  while(HAL_IS_BIT_SET(Device->SDSR, FMC_SDSR_BUSY))
+  {
+    /* Check for the Timeout */
+    if(Timeout != HAL_MAX_DELAY)
+    {
+      if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
+      {
+        return HAL_TIMEOUT;
+      }
+    }     
+    
+    return HAL_ERROR;
+  }
+  
+  return HAL_OK;  
+}
+
+/**
+  * @brief  Program the SDRAM Memory Refresh rate.
+  * @param  Device: Pointer to SDRAM device instance  
+  * @param  RefreshRate: The SDRAM refresh rate value.       
+  * @retval HAL state
+  */
+HAL_StatusTypeDef FMC_SDRAM_ProgramRefreshRate(FMC_SDRAM_TypeDef *Device, uint32_t RefreshRate)
+{
+  /* Check the parameters */
+  assert_param(IS_FMC_SDRAM_DEVICE(Device));
+  assert_param(IS_FMC_REFRESH_RATE(RefreshRate));
+  
+  /* Set the refresh rate in command register */
+  Device->SDRTR |= (RefreshRate<<1);
+  
+  return HAL_OK;   
+}
+
+/**
+  * @brief  Set the Number of consecutive SDRAM Memory auto Refresh commands.
+  * @param  Device: Pointer to SDRAM device instance  
+  * @param  AutoRefreshNumber: Specifies the auto Refresh number.       
+  * @retval None
+  */
+HAL_StatusTypeDef FMC_SDRAM_SetAutoRefreshNumber(FMC_SDRAM_TypeDef *Device, uint32_t AutoRefreshNumber)
+{
+  /* Check the parameters */
+  assert_param(IS_FMC_SDRAM_DEVICE(Device));
+  assert_param(IS_FMC_AUTOREFRESH_NUMBER(AutoRefreshNumber));
+  
+  /* Set the Auto-refresh number in command register */
+  Device->SDCMR |= (AutoRefreshNumber << 5); 
+
+  return HAL_OK;  
+}
+
+/**
+  * @brief  Returns the indicated FMC SDRAM bank mode status.
+  * @param  Device: Pointer to SDRAM device instance  
+  * @param  Bank: Defines the FMC SDRAM bank. This parameter can be 
+  *                     FMC_Bank1_SDRAM or FMC_Bank2_SDRAM. 
+  * @retval The FMC SDRAM bank mode status, could be on of the following values:
+  *         FMC_SDRAM_NORMAL_MODE, FMC_SDRAM_SELF_REFRESH_MODE or 
+  *         FMC_SDRAM_POWER_DOWN_MODE.           
+  */
+uint32_t FMC_SDRAM_GetModeStatus(FMC_SDRAM_TypeDef *Device, uint32_t Bank)
+{
+  uint32_t tmpreg = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_FMC_SDRAM_DEVICE(Device));
+  assert_param(IS_FMC_SDRAM_BANK(Bank));
+
+  /* Get the corresponding bank mode */
+  if(Bank == FMC_SDRAM_BANK1)
+  {
+    tmpreg = (uint32_t)(Device->SDSR & FMC_SDSR_MODES1); 
+  }
+  else
+  {
+    tmpreg = ((uint32_t)(Device->SDSR & FMC_SDSR_MODES2) >> 2);
+  }
+  
+  /* Return the mode status */
+  return tmpreg;
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+#endif /* HAL_SRAM_MODULE_ENABLED || HAL_NOR_MODULE_ENABLED || HAL_NAND_MODULE_ENABLED || HAL_SDRAM_MODULE_ENABLED */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/boards/base/STM32F746-Discovery/stm32f7xx_ll_fmc.h b/boards/base/STM32F746-Discovery/stm32f7xx_ll_fmc.h
new file mode 100644
index 00000000..019ec064
--- /dev/null
+++ b/boards/base/STM32F746-Discovery/stm32f7xx_ll_fmc.h
@@ -0,0 +1,1337 @@
+/**
+  ******************************************************************************
+  * @file    stm32f7xx_ll_fmc.h
+  * @author  MCD Application Team
+  * @version V1.0.1
+  * @date    25-June-2015
+  * @brief   Header file of FMC HAL module.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+  *
+  * 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.
+  *
+  ******************************************************************************
+  */ 
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F7xx_LL_FMC_H
+#define __STM32F7xx_LL_FMC_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f7xx_hal_def.h"
+
+/** @addtogroup STM32F7xx_HAL_Driver
+  * @{
+  */
+
+/** @addtogroup FMC_LL
+  * @{
+  */
+
+/** @addtogroup FMC_LL_Private_Macros
+  * @{
+  */
+#define IS_FMC_NORSRAM_BANK(BANK) (((BANK) == FMC_NORSRAM_BANK1) || \
+                                   ((BANK) == FMC_NORSRAM_BANK2) || \
+                                   ((BANK) == FMC_NORSRAM_BANK3) || \
+                                   ((BANK) == FMC_NORSRAM_BANK4))
+
+#define IS_FMC_MUX(__MUX__) (((__MUX__) == FMC_DATA_ADDRESS_MUX_DISABLE) || \
+                              ((__MUX__) == FMC_DATA_ADDRESS_MUX_ENABLE))
+
+#define IS_FMC_MEMORY(__MEMORY__) (((__MEMORY__) == FMC_MEMORY_TYPE_SRAM) || \
+                                    ((__MEMORY__) == FMC_MEMORY_TYPE_PSRAM)|| \
+                                    ((__MEMORY__) == FMC_MEMORY_TYPE_NOR))
+
+#define IS_FMC_NORSRAM_MEMORY_WIDTH(__WIDTH__) (((__WIDTH__) == FMC_NORSRAM_MEM_BUS_WIDTH_8)  || \
+                                                 ((__WIDTH__) == FMC_NORSRAM_MEM_BUS_WIDTH_16) || \
+                                                 ((__WIDTH__) == FMC_NORSRAM_MEM_BUS_WIDTH_32))
+
+#define IS_FMC_ACCESS_MODE(__MODE__) (((__MODE__) == FMC_ACCESS_MODE_A) || \
+                                       ((__MODE__) == FMC_ACCESS_MODE_B) || \
+                                       ((__MODE__) == FMC_ACCESS_MODE_C) || \
+                                       ((__MODE__) == FMC_ACCESS_MODE_D))
+
+#define IS_FMC_NAND_BANK(BANK) ((BANK) == FMC_NAND_BANK3)
+
+#define IS_FMC_WAIT_FEATURE(FEATURE) (((FEATURE) == FMC_NAND_WAIT_FEATURE_DISABLE) || \
+                                      ((FEATURE) == FMC_NAND_WAIT_FEATURE_ENABLE))
+
+#define IS_FMC_NAND_MEMORY_WIDTH(WIDTH) (((WIDTH) == FMC_NAND_MEM_BUS_WIDTH_8) || \
+                                         ((WIDTH) == FMC_NAND_MEM_BUS_WIDTH_16))
+
+#define IS_FMC_ECC_STATE(STATE) (((STATE) == FMC_NAND_ECC_DISABLE) || \
+                                 ((STATE) == FMC_NAND_ECC_ENABLE))
+
+#define IS_FMC_ECCPAGE_SIZE(SIZE) (((SIZE) == FMC_NAND_ECC_PAGE_SIZE_256BYTE)  || \
+                                   ((SIZE) == FMC_NAND_ECC_PAGE_SIZE_512BYTE)  || \
+                                   ((SIZE) == FMC_NAND_ECC_PAGE_SIZE_1024BYTE) || \
+                                   ((SIZE) == FMC_NAND_ECC_PAGE_SIZE_2048BYTE) || \
+                                   ((SIZE) == FMC_NAND_ECC_PAGE_SIZE_4096BYTE) || \
+                                   ((SIZE) == FMC_NAND_ECC_PAGE_SIZE_8192BYTE))
+								   
+#define IS_FMC_SDMEMORY_WIDTH(WIDTH) (((WIDTH) == FMC_SDRAM_MEM_BUS_WIDTH_8)  || \
+                                      ((WIDTH) == FMC_SDRAM_MEM_BUS_WIDTH_16) || \
+                                      ((WIDTH) == FMC_SDRAM_MEM_BUS_WIDTH_32))
+
+#define IS_FMC_WRITE_PROTECTION(__WRITE__) (((__WRITE__) == FMC_SDRAM_WRITE_PROTECTION_DISABLE) || \
+                                            ((__WRITE__) == FMC_SDRAM_WRITE_PROTECTION_ENABLE))									  
+
+#define IS_FMC_SDCLOCK_PERIOD(__PERIOD__) (((__PERIOD__) == FMC_SDRAM_CLOCK_DISABLE)  || \
+                                           ((__PERIOD__) == FMC_SDRAM_CLOCK_PERIOD_2) || \
+                                           ((__PERIOD__) == FMC_SDRAM_CLOCK_PERIOD_3))
+										   
+#define IS_FMC_READ_BURST(__RBURST__) (((__RBURST__) == FMC_SDRAM_RBURST_DISABLE) || \
+                                       ((__RBURST__) == FMC_SDRAM_RBURST_ENABLE))
+									   
+#define IS_FMC_READPIPE_DELAY(__DELAY__) (((__DELAY__) == FMC_SDRAM_RPIPE_DELAY_0) || \
+                                          ((__DELAY__) == FMC_SDRAM_RPIPE_DELAY_1) || \
+                                          ((__DELAY__) == FMC_SDRAM_RPIPE_DELAY_2))
+
+#define IS_FMC_COMMAND_MODE(__COMMAND__) (((__COMMAND__) == FMC_SDRAM_CMD_NORMAL_MODE)      || \
+                                          ((__COMMAND__) == FMC_SDRAM_CMD_CLK_ENABLE)       || \
+                                          ((__COMMAND__) == FMC_SDRAM_CMD_PALL)             || \
+                                          ((__COMMAND__) == FMC_SDRAM_CMD_AUTOREFRESH_MODE) || \
+                                          ((__COMMAND__) == FMC_SDRAM_CMD_LOAD_MODE)        || \
+                                          ((__COMMAND__) == FMC_SDRAM_CMD_SELFREFRESH_MODE) || \
+                                          ((__COMMAND__) == FMC_SDRAM_CMD_POWERDOWN_MODE))
+
+#define IS_FMC_COMMAND_TARGET(__TARGET__) (((__TARGET__) == FMC_SDRAM_CMD_TARGET_BANK1) || \
+                                           ((__TARGET__) == FMC_SDRAM_CMD_TARGET_BANK2) || \
+                                           ((__TARGET__) == FMC_SDRAM_CMD_TARGET_BANK1_2)) 										  
+						   
+/** @defgroup FMC_TCLR_Setup_Time FMC TCLR Setup Time
+  * @{
+  */
+#define IS_FMC_TCLR_TIME(__TIME__) ((__TIME__) <= 255)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_TAR_Setup_Time FMC TAR Setup Time 
+  * @{
+  */
+#define IS_FMC_TAR_TIME(TIME) ((TIME) <= 255)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Setup_Time FMC Setup Time 
+  * @{
+  */
+#define IS_FMC_SETUP_TIME(TIME) ((TIME) <= 254)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Wait_Setup_Time FMC Wait Setup Time 
+  * @{
+  */
+#define IS_FMC_WAIT_TIME(TIME) ((TIME) <= 254)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Hold_Setup_Time FMC Hold Setup Time 
+  * @{
+  */
+#define IS_FMC_HOLD_TIME(TIME) ((TIME) <= 254)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_HiZ_Setup_Time FMC HiZ Setup Time 
+  * @{
+  */
+#define IS_FMC_HIZ_TIME(TIME) ((TIME) <= 254)
+/**
+  * @}
+  */
+
+#define IS_FMC_BURSTMODE(__STATE__) (((__STATE__) == FMC_BURST_ACCESS_MODE_DISABLE) || \
+                                      ((__STATE__) == FMC_BURST_ACCESS_MODE_ENABLE))
+
+#define IS_FMC_WAIT_POLARITY(__POLARITY__) (((__POLARITY__) == FMC_WAIT_SIGNAL_POLARITY_LOW) || \
+                                             ((__POLARITY__) == FMC_WAIT_SIGNAL_POLARITY_HIGH))
+
+#define IS_FMC_WAIT_SIGNAL_ACTIVE(__ACTIVE__) (((__ACTIVE__) == FMC_WAIT_TIMING_BEFORE_WS) || \
+                                                ((__ACTIVE__) == FMC_WAIT_TIMING_DURING_WS)) 
+
+#define IS_FMC_WRITE_OPERATION(__OPERATION__) (((__OPERATION__) == FMC_WRITE_OPERATION_DISABLE) || \
+                                                ((__OPERATION__) == FMC_WRITE_OPERATION_ENABLE))
+
+#define IS_FMC_WAITE_SIGNAL(__SIGNAL__) (((__SIGNAL__) == FMC_WAIT_SIGNAL_DISABLE) || \
+                                          ((__SIGNAL__) == FMC_WAIT_SIGNAL_ENABLE))
+
+#define IS_FMC_EXTENDED_MODE(__MODE__) (((__MODE__) == FMC_EXTENDED_MODE_DISABLE) || \
+                                         ((__MODE__) == FMC_EXTENDED_MODE_ENABLE))
+
+#define IS_FMC_ASYNWAIT(__STATE__) (((__STATE__) == FMC_ASYNCHRONOUS_WAIT_DISABLE) || \
+                                     ((__STATE__) == FMC_ASYNCHRONOUS_WAIT_ENABLE))
+
+/** @defgroup FMC_Data_Latency FMC Data Latency 
+  * @{
+  */
+#define IS_FMC_DATA_LATENCY(__LATENCY__) (((__LATENCY__) > 1) && ((__LATENCY__) <= 17))
+/**
+  * @}
+  */
+
+#define IS_FMC_WRITE_BURST(__BURST__) (((__BURST__) == FMC_WRITE_BURST_DISABLE) || \
+                                        ((__BURST__) == FMC_WRITE_BURST_ENABLE))
+
+#define IS_FMC_CONTINOUS_CLOCK(CCLOCK) (((CCLOCK) == FMC_CONTINUOUS_CLOCK_SYNC_ONLY) || \
+                                        ((CCLOCK) == FMC_CONTINUOUS_CLOCK_SYNC_ASYNC))
+
+
+/** @defgroup FMC_Address_Setup_Time FMC Address Setup Time
+  * @{
+  */
+#define IS_FMC_ADDRESS_SETUP_TIME(__TIME__) ((__TIME__) <= 15)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Address_Hold_Time FMC Address Hold Time
+  * @{
+  */
+#define IS_FMC_ADDRESS_HOLD_TIME(__TIME__) (((__TIME__) > 0) && ((__TIME__) <= 15))
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Data_Setup_Time FMC Data Setup Time
+  * @{
+  */
+#define IS_FMC_DATASETUP_TIME(__TIME__) (((__TIME__) > 0) && ((__TIME__) <= 255))
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Bus_Turn_around_Duration FMC Bus Turn around Duration
+  * @{
+  */
+#define IS_FMC_TURNAROUND_TIME(__TIME__) ((__TIME__) <= 15)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_CLK_Division FMC CLK Division 
+  * @{
+  */
+#define IS_FMC_CLK_DIV(DIV) (((DIV) > 1) && ((DIV) <= 16))
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_LoadToActive_Delay FMC SDRAM LoadToActive Delay
+  * @{
+  */
+#define IS_FMC_LOADTOACTIVE_DELAY(__DELAY__) (((__DELAY__) > 0) && ((__DELAY__) <= 16))
+/**
+  * @}
+  */
+  
+/** @defgroup FMC_SDRAM_ExitSelfRefresh_Delay FMC SDRAM ExitSelfRefresh Delay
+  * @{
+  */
+#define IS_FMC_EXITSELFREFRESH_DELAY(__DELAY__) (((__DELAY__) > 0) && ((__DELAY__) <= 16))
+/**
+  * @}
+  */ 
+     
+/** @defgroup FMC_SDRAM_SelfRefresh_Time FMC SDRAM SelfRefresh Time
+  * @{
+  */  
+#define IS_FMC_SELFREFRESH_TIME(__TIME__) (((__TIME__) > 0) && ((__TIME__) <= 16))
+/**
+  * @}
+  */
+  
+/** @defgroup FMC_SDRAM_RowCycle_Delay FMC SDRAM RowCycle Delay
+  * @{
+  */  
+#define IS_FMC_ROWCYCLE_DELAY(__DELAY__) (((__DELAY__) > 0) && ((__DELAY__) <= 16))
+/**
+  * @}
+  */  
+  
+/** @defgroup FMC_SDRAM_Write_Recovery_Time FMC SDRAM Write Recovery Time
+  * @{
+  */  
+#define IS_FMC_WRITE_RECOVERY_TIME(__TIME__) (((__TIME__) > 0) && ((__TIME__) <= 16))
+/**
+  * @}
+  */         
+  
+/** @defgroup FMC_SDRAM_RP_Delay FMC SDRAM RP Delay
+  * @{
+  */  
+#define IS_FMC_RP_DELAY(__DELAY__) (((__DELAY__) > 0) && ((__DELAY__) <= 16))
+/**
+  * @}
+  */ 
+  
+/** @defgroup FMC_SDRAM_RCD_Delay FMC SDRAM RCD Delay
+  * @{
+  */  
+#define IS_FMC_RCD_DELAY(__DELAY__) (((__DELAY__) > 0) && ((__DELAY__) <= 16))
+/**
+  * @}
+  */
+  
+/** @defgroup FMC_SDRAM_AutoRefresh_Number FMC SDRAM AutoRefresh Number
+  * @{
+  */  
+#define IS_FMC_AUTOREFRESH_NUMBER(__NUMBER__) (((__NUMBER__) > 0) && ((__NUMBER__) <= 16))
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_ModeRegister_Definition FMC SDRAM ModeRegister Definition
+  * @{
+  */
+#define IS_FMC_MODE_REGISTER(__CONTENT__) ((__CONTENT__) <= 8191)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_Refresh_rate FMC SDRAM Refresh rate
+  * @{
+  */
+#define IS_FMC_REFRESH_RATE(__RATE__) ((__RATE__) <= 8191)
+/**
+  * @}
+  */
+  
+/** @defgroup FMC_NORSRAM_Device_Instance FMC NORSRAM Device Instance
+  * @{
+  */
+#define IS_FMC_NORSRAM_DEVICE(__INSTANCE__) ((__INSTANCE__) == FMC_NORSRAM_DEVICE)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_NORSRAM_EXTENDED_Device_Instance FMC NORSRAM EXTENDED Device Instance
+  * @{
+  */
+#define IS_FMC_NORSRAM_EXTENDED_DEVICE(__INSTANCE__) ((__INSTANCE__) == FMC_NORSRAM_EXTENDED_DEVICE)
+/**
+  * @}
+  */
+  
+/** @defgroup FMC_NAND_Device_Instance FMC NAND Device Instance
+  * @{
+  */
+#define IS_FMC_NAND_DEVICE(__INSTANCE__) ((__INSTANCE__) == FMC_NAND_DEVICE)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_Device_Instance FMC SDRAM Device Instance
+  * @{
+  */
+#define IS_FMC_SDRAM_DEVICE(__INSTANCE__) ((__INSTANCE__) == FMC_SDRAM_DEVICE)
+/**
+  * @}
+  */
+
+#define IS_FMC_SDRAM_BANK(BANK) (((BANK) == FMC_SDRAM_BANK1) || \
+                                 ((BANK) == FMC_SDRAM_BANK2))
+
+#define IS_FMC_COLUMNBITS_NUMBER(COLUMN) (((COLUMN) == FMC_SDRAM_COLUMN_BITS_NUM_8)  || \
+                                          ((COLUMN) == FMC_SDRAM_COLUMN_BITS_NUM_9)  || \
+                                          ((COLUMN) == FMC_SDRAM_COLUMN_BITS_NUM_10) || \
+                                          ((COLUMN) == FMC_SDRAM_COLUMN_BITS_NUM_11))
+
+#define IS_FMC_ROWBITS_NUMBER(ROW) (((ROW) == FMC_SDRAM_ROW_BITS_NUM_11) || \
+                                    ((ROW) == FMC_SDRAM_ROW_BITS_NUM_12) || \
+                                    ((ROW) == FMC_SDRAM_ROW_BITS_NUM_13))
+
+#define IS_FMC_INTERNALBANK_NUMBER(NUMBER) (((NUMBER) == FMC_SDRAM_INTERN_BANKS_NUM_2) || \
+                                            ((NUMBER) == FMC_SDRAM_INTERN_BANKS_NUM_4))
+
+
+#define IS_FMC_CAS_LATENCY(LATENCY) (((LATENCY) == FMC_SDRAM_CAS_LATENCY_1) || \
+                                     ((LATENCY) == FMC_SDRAM_CAS_LATENCY_2) || \
+                                     ((LATENCY) == FMC_SDRAM_CAS_LATENCY_3))
+
+#define IS_FMC_PAGESIZE(__SIZE__) (((__SIZE__) == FMC_PAGE_SIZE_NONE) || \
+                                   ((__SIZE__) == FMC_PAGE_SIZE_128) || \
+                                   ((__SIZE__) == FMC_PAGE_SIZE_256) || \
+                                   ((__SIZE__) == FMC_PAGE_SIZE_1024))
+
+#define IS_FMC_WRITE_FIFO(__FIFO__) (((__FIFO__) == FMC_WRITE_FIFO_DISABLE) || \
+                                     ((__FIFO__) == FMC_WRITE_FIFO_ENABLE))
+/**
+  * @}
+  */
+
+/* Exported typedef ----------------------------------------------------------*/
+/** @defgroup FMC_Exported_typedef FMC Low Layer Exported Types
+  * @{
+  */
+#define FMC_NORSRAM_TypeDef            FMC_Bank1_TypeDef
+#define FMC_NORSRAM_EXTENDED_TypeDef   FMC_Bank1E_TypeDef
+#define FMC_NAND_TypeDef               FMC_Bank3_TypeDef
+#define FMC_SDRAM_TypeDef              FMC_Bank5_6_TypeDef
+
+#define FMC_NORSRAM_DEVICE             FMC_Bank1
+#define FMC_NORSRAM_EXTENDED_DEVICE    FMC_Bank1E
+#define FMC_NAND_DEVICE                FMC_Bank3
+#define FMC_SDRAM_DEVICE               FMC_Bank5_6
+
+/** 
+  * @brief  FMC NORSRAM Configuration Structure definition
+  */ 
+typedef struct
+{
+  uint32_t NSBank;                       /*!< Specifies the NORSRAM memory device that will be used.
+                                              This parameter can be a value of @ref FMC_NORSRAM_Bank                     */
+
+  uint32_t DataAddressMux;               /*!< Specifies whether the address and data values are
+                                              multiplexed on the data bus or not. 
+                                              This parameter can be a value of @ref FMC_Data_Address_Bus_Multiplexing    */
+
+  uint32_t MemoryType;                   /*!< Specifies the type of external memory attached to
+                                              the corresponding memory device.
+                                              This parameter can be a value of @ref FMC_Memory_Type                      */
+
+  uint32_t MemoryDataWidth;              /*!< Specifies the external memory device width.
+                                              This parameter can be a value of @ref FMC_NORSRAM_Data_Width               */
+
+  uint32_t BurstAccessMode;              /*!< Enables or disables the burst access mode for Flash memory,
+                                              valid only with synchronous burst Flash memories.
+                                              This parameter can be a value of @ref FMC_Burst_Access_Mode                */
+
+  uint32_t WaitSignalPolarity;           /*!< Specifies the wait signal polarity, valid only when accessing
+                                              the Flash memory in burst mode.
+                                              This parameter can be a value of @ref FMC_Wait_Signal_Polarity             */
+
+  uint32_t WaitSignalActive;             /*!< Specifies if the wait signal is asserted by the memory one
+                                              clock cycle before the wait state or during the wait state,
+                                              valid only when accessing memories in burst mode. 
+                                              This parameter can be a value of @ref FMC_Wait_Timing                      */
+
+  uint32_t WriteOperation;               /*!< Enables or disables the write operation in the selected device by the FMC. 
+                                              This parameter can be a value of @ref FMC_Write_Operation                  */
+
+  uint32_t WaitSignal;                   /*!< Enables or disables the wait state insertion via wait
+                                              signal, valid for Flash memory access in burst mode. 
+                                              This parameter can be a value of @ref FMC_Wait_Signal                      */
+
+  uint32_t ExtendedMode;                 /*!< Enables or disables the extended mode.
+                                              This parameter can be a value of @ref FMC_Extended_Mode                    */
+
+  uint32_t AsynchronousWait;             /*!< Enables or disables wait signal during asynchronous transfers,
+                                              valid only with asynchronous Flash memories.
+                                              This parameter can be a value of @ref FMC_AsynchronousWait                 */
+
+  uint32_t WriteBurst;                   /*!< Enables or disables the write burst operation.
+                                              This parameter can be a value of @ref FMC_Write_Burst                      */
+
+  uint32_t ContinuousClock;              /*!< Enables or disables the FMC clock output to external memory devices.
+                                              This parameter is only enabled through the FMC_BCR1 register, and don't care 
+                                              through FMC_BCR2..4 registers.
+                                              This parameter can be a value of @ref FMC_Continous_Clock                  */
+
+  uint32_t WriteFifo;                    /*!< Enables or disables the write FIFO used by the FMC controller.
+                                              This parameter is only enabled through the FMC_BCR1 register, and don't care 
+                                              through FMC_BCR2..4 registers.
+                                              This parameter can be a value of @ref FMC_Write_FIFO                      */
+
+  uint32_t PageSize;                     /*!< Specifies the memory page size.
+                                              This parameter can be a value of @ref FMC_Page_Size                        */
+
+}FMC_NORSRAM_InitTypeDef;
+
+/** 
+  * @brief  FMC NORSRAM Timing parameters structure definition  
+  */
+typedef struct
+{
+  uint32_t AddressSetupTime;             /*!< Defines the number of HCLK cycles to configure
+                                              the duration of the address setup time. 
+                                              This parameter can be a value between Min_Data = 0 and Max_Data = 15.
+                                              @note This parameter is not used with synchronous NOR Flash memories.      */
+
+  uint32_t AddressHoldTime;              /*!< Defines the number of HCLK cycles to configure
+                                              the duration of the address hold time.
+                                              This parameter can be a value between Min_Data = 1 and Max_Data = 15. 
+                                              @note This parameter is not used with synchronous NOR Flash memories.      */
+
+  uint32_t DataSetupTime;                /*!< Defines the number of HCLK cycles to configure
+                                              the duration of the data setup time.
+                                              This parameter can be a value between Min_Data = 1 and Max_Data = 255.
+                                              @note This parameter is used for SRAMs, ROMs and asynchronous multiplexed 
+                                              NOR Flash memories.                                                        */
+
+  uint32_t BusTurnAroundDuration;        /*!< Defines the number of HCLK cycles to configure
+                                              the duration of the bus turnaround.
+                                              This parameter can be a value between Min_Data = 0 and Max_Data = 15.
+                                              @note This parameter is only used for multiplexed NOR Flash memories.      */
+
+  uint32_t CLKDivision;                  /*!< Defines the period of CLK clock output signal, expressed in number of 
+                                              HCLK cycles. This parameter can be a value between Min_Data = 2 and Max_Data = 16.
+                                              @note This parameter is not used for asynchronous NOR Flash, SRAM or ROM 
+                                              accesses.                                                                  */
+
+  uint32_t DataLatency;                  /*!< Defines the number of memory clock cycles to issue
+                                              to the memory before getting the first data.
+                                              The parameter value depends on the memory type as shown below:
+                                              - It must be set to 0 in case of a CRAM
+                                              - It is don't care in asynchronous NOR, SRAM or ROM accesses
+                                              - It may assume a value between Min_Data = 2 and Max_Data = 17 in NOR Flash memories
+                                                with synchronous burst mode enable                                       */
+
+  uint32_t AccessMode;                   /*!< Specifies the asynchronous access mode. 
+                                              This parameter can be a value of @ref FMC_Access_Mode                      */
+}FMC_NORSRAM_TimingTypeDef;
+
+/** 
+  * @brief  FMC NAND Configuration Structure definition  
+  */ 
+typedef struct
+{
+  uint32_t NandBank;               /*!< Specifies the NAND memory device that will be used.
+                                        This parameter can be a value of @ref FMC_NAND_Bank                    */
+
+  uint32_t Waitfeature;            /*!< Enables or disables the Wait feature for the NAND Memory device.
+                                        This parameter can be any value of @ref FMC_Wait_feature               */
+
+  uint32_t MemoryDataWidth;        /*!< Specifies the external memory device width.
+                                        This parameter can be any value of @ref FMC_NAND_Data_Width            */
+
+  uint32_t EccComputation;         /*!< Enables or disables the ECC computation.
+                                        This parameter can be any value of @ref FMC_ECC                        */
+
+  uint32_t ECCPageSize;            /*!< Defines the page size for the extended ECC.
+                                        This parameter can be any value of @ref FMC_ECC_Page_Size              */
+
+  uint32_t TCLRSetupTime;          /*!< Defines the number of HCLK cycles to configure the
+                                        delay between CLE low and RE low.
+                                        This parameter can be a value between Min_Data = 0 and Max_Data = 255  */
+
+  uint32_t TARSetupTime;           /*!< Defines the number of HCLK cycles to configure the
+                                        delay between ALE low and RE low.
+                                        This parameter can be a number between Min_Data = 0 and Max_Data = 255 */
+}FMC_NAND_InitTypeDef;
+
+/** 
+  * @brief  FMC NAND Timing parameters structure definition
+  */
+typedef struct
+{
+  uint32_t SetupTime;            /*!< Defines the number of HCLK cycles to setup address before
+                                      the command assertion for NAND-Flash read or write access
+                                      to common/Attribute or I/O memory space (depending on
+                                      the memory space timing to be configured).
+                                      This parameter can be a value between Min_Data = 0 and Max_Data = 254    */
+
+  uint32_t WaitSetupTime;        /*!< Defines the minimum number of HCLK cycles to assert the
+                                      command for NAND-Flash read or write access to
+                                      common/Attribute or I/O memory space (depending on the
+                                      memory space timing to be configured). 
+                                      This parameter can be a number between Min_Data = 0 and Max_Data = 254   */
+
+  uint32_t HoldSetupTime;        /*!< Defines the number of HCLK clock cycles to hold address
+                                      (and data for write access) after the command de-assertion
+                                      for NAND-Flash read or write access to common/Attribute
+                                      or I/O memory space (depending on the memory space timing
+                                      to be configured).
+                                      This parameter can be a number between Min_Data = 0 and Max_Data = 254   */
+
+  uint32_t HiZSetupTime;         /*!< Defines the number of HCLK clock cycles during which the
+                                      data bus is kept in HiZ after the start of a NAND-Flash
+                                      write access to common/Attribute or I/O memory space (depending
+                                      on the memory space timing to be configured).
+                                      This parameter can be a number between Min_Data = 0 and Max_Data = 254   */
+}FMC_NAND_PCC_TimingTypeDef;
+
+/** 
+  * @brief  FMC SDRAM Configuration Structure definition  
+  */  
+typedef struct
+{
+  uint32_t SDBank;                      /*!< Specifies the SDRAM memory device that will be used.
+                                             This parameter can be a value of @ref FMC_SDRAM_Bank                */
+
+  uint32_t ColumnBitsNumber;            /*!< Defines the number of bits of column address.
+                                             This parameter can be a value of @ref FMC_SDRAM_Column_Bits_number. */
+
+  uint32_t RowBitsNumber;               /*!< Defines the number of bits of column address.
+                                             This parameter can be a value of @ref FMC_SDRAM_Row_Bits_number.    */
+
+  uint32_t MemoryDataWidth;             /*!< Defines the memory device width.
+                                             This parameter can be a value of @ref FMC_SDRAM_Memory_Bus_Width.   */
+
+  uint32_t InternalBankNumber;          /*!< Defines the number of the device's internal banks.
+                                             This parameter can be of @ref FMC_SDRAM_Internal_Banks_Number.      */
+
+  uint32_t CASLatency;                  /*!< Defines the SDRAM CAS latency in number of memory clock cycles.
+                                             This parameter can be a value of @ref FMC_SDRAM_CAS_Latency.        */
+
+  uint32_t WriteProtection;             /*!< Enables the SDRAM device to be accessed in write mode.
+                                             This parameter can be a value of @ref FMC_SDRAM_Write_Protection.   */
+
+  uint32_t SDClockPeriod;               /*!< Define the SDRAM Clock Period for both SDRAM devices and they allow 
+                                             to disable the clock before changing frequency.
+                                             This parameter can be a value of @ref FMC_SDRAM_Clock_Period.       */
+
+  uint32_t ReadBurst;                   /*!< This bit enable the SDRAM controller to anticipate the next read 
+                                             commands during the CAS latency and stores data in the Read FIFO.
+                                             This parameter can be a value of @ref FMC_SDRAM_Read_Burst.         */
+
+  uint32_t ReadPipeDelay;               /*!< Define the delay in system clock cycles on read data path.
+                                             This parameter can be a value of @ref FMC_SDRAM_Read_Pipe_Delay.    */
+}FMC_SDRAM_InitTypeDef;
+
+/** 
+  * @brief FMC SDRAM Timing parameters structure definition
+  */
+typedef struct
+{
+  uint32_t LoadToActiveDelay;            /*!< Defines the delay between a Load Mode Register command and 
+                                              an active or Refresh command in number of memory clock cycles.
+                                              This parameter can be a value between Min_Data = 1 and Max_Data = 16  */
+
+  uint32_t ExitSelfRefreshDelay;         /*!< Defines the delay from releasing the self refresh command to 
+                                              issuing the Activate command in number of memory clock cycles.
+                                              This parameter can be a value between Min_Data = 1 and Max_Data = 16  */
+
+  uint32_t SelfRefreshTime;              /*!< Defines the minimum Self Refresh period in number of memory clock 
+                                              cycles.
+                                              This parameter can be a value between Min_Data = 1 and Max_Data = 16  */
+
+  uint32_t RowCycleDelay;                /*!< Defines the delay between the Refresh command and the Activate command
+                                              and the delay between two consecutive Refresh commands in number of 
+                                              memory clock cycles.
+                                              This parameter can be a value between Min_Data = 1 and Max_Data = 16  */
+
+  uint32_t WriteRecoveryTime;            /*!< Defines the Write recovery Time in number of memory clock cycles.
+                                              This parameter can be a value between Min_Data = 1 and Max_Data = 16  */
+
+  uint32_t RPDelay;                      /*!< Defines the delay between a Precharge Command and an other command 
+                                              in number of memory clock cycles.
+                                              This parameter can be a value between Min_Data = 1 and Max_Data = 16  */
+
+  uint32_t RCDDelay;                     /*!< Defines the delay between the Activate Command and a Read/Write 
+                                              command in number of memory clock cycles.
+                                              This parameter can be a value between Min_Data = 1 and Max_Data = 16  */ 
+}FMC_SDRAM_TimingTypeDef;
+
+/** 
+  * @brief SDRAM command parameters structure definition
+  */
+typedef struct
+{
+  uint32_t CommandMode;                  /*!< Defines the command issued to the SDRAM device.
+                                              This parameter can be a value of @ref FMC_SDRAM_Command_Mode.          */
+
+  uint32_t CommandTarget;                /*!< Defines which device (1 or 2) the command will be issued to.
+                                              This parameter can be a value of @ref FMC_SDRAM_Command_Target.        */
+
+  uint32_t AutoRefreshNumber;            /*!< Defines the number of consecutive auto refresh command issued
+                                              in auto refresh mode.
+                                              This parameter can be a value between Min_Data = 1 and Max_Data = 16   */
+  uint32_t ModeRegisterDefinition;       /*!< Defines the SDRAM Mode register content                                */
+}FMC_SDRAM_CommandTypeDef;
+/**
+  * @}
+  */
+
+/* Exported constants --------------------------------------------------------*/
+/** @addtogroup FMC_LL_Exported_Constants FMC Low Layer Exported Constants
+  * @{
+  */
+
+/** @defgroup FMC_LL_NOR_SRAM_Controller FMC NOR/SRAM Controller 
+  * @{
+  */
+
+/** @defgroup FMC_NORSRAM_Bank FMC NOR/SRAM Bank
+  * @{
+  */
+#define FMC_NORSRAM_BANK1                       ((uint32_t)0x00000000)
+#define FMC_NORSRAM_BANK2                       ((uint32_t)0x00000002)
+#define FMC_NORSRAM_BANK3                       ((uint32_t)0x00000004)
+#define FMC_NORSRAM_BANK4                       ((uint32_t)0x00000006)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Data_Address_Bus_Multiplexing FMC Data Address Bus Multiplexing
+  * @{
+  */
+#define FMC_DATA_ADDRESS_MUX_DISABLE            ((uint32_t)0x00000000)
+#define FMC_DATA_ADDRESS_MUX_ENABLE             ((uint32_t)0x00000002)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Memory_Type FMC Memory Type
+  * @{
+  */
+#define FMC_MEMORY_TYPE_SRAM                    ((uint32_t)0x00000000)
+#define FMC_MEMORY_TYPE_PSRAM                   ((uint32_t)0x00000004)
+#define FMC_MEMORY_TYPE_NOR                     ((uint32_t)0x00000008)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_NORSRAM_Data_Width FMC NORSRAM Data Width
+  * @{
+  */
+#define FMC_NORSRAM_MEM_BUS_WIDTH_8             ((uint32_t)0x00000000)
+#define FMC_NORSRAM_MEM_BUS_WIDTH_16            ((uint32_t)0x00000010)
+#define FMC_NORSRAM_MEM_BUS_WIDTH_32            ((uint32_t)0x00000020)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_NORSRAM_Flash_Access FMC NOR/SRAM Flash Access
+  * @{
+  */
+#define FMC_NORSRAM_FLASH_ACCESS_ENABLE         ((uint32_t)0x00000040)
+#define FMC_NORSRAM_FLASH_ACCESS_DISABLE        ((uint32_t)0x00000000)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Burst_Access_Mode FMC Burst Access Mode
+  * @{
+  */
+#define FMC_BURST_ACCESS_MODE_DISABLE           ((uint32_t)0x00000000) 
+#define FMC_BURST_ACCESS_MODE_ENABLE            ((uint32_t)0x00000100)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Wait_Signal_Polarity FMC Wait Signal Polarity
+  * @{
+  */
+#define FMC_WAIT_SIGNAL_POLARITY_LOW            ((uint32_t)0x00000000)
+#define FMC_WAIT_SIGNAL_POLARITY_HIGH           ((uint32_t)0x00000200)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Wait_Timing FMC Wait Timing
+  * @{
+  */
+#define FMC_WAIT_TIMING_BEFORE_WS               ((uint32_t)0x00000000)
+#define FMC_WAIT_TIMING_DURING_WS               ((uint32_t)0x00000800) 
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Write_Operation FMC Write Operation
+  * @{
+  */
+#define FMC_WRITE_OPERATION_DISABLE             ((uint32_t)0x00000000)
+#define FMC_WRITE_OPERATION_ENABLE              ((uint32_t)0x00001000)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Wait_Signal FMC Wait Signal
+  * @{
+  */
+#define FMC_WAIT_SIGNAL_DISABLE                 ((uint32_t)0x00000000)
+#define FMC_WAIT_SIGNAL_ENABLE                  ((uint32_t)0x00002000)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Extended_Mode FMC Extended Mode
+  * @{
+  */
+#define FMC_EXTENDED_MODE_DISABLE               ((uint32_t)0x00000000)
+#define FMC_EXTENDED_MODE_ENABLE                ((uint32_t)0x00004000)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_AsynchronousWait FMC Asynchronous Wait
+  * @{
+  */
+#define FMC_ASYNCHRONOUS_WAIT_DISABLE           ((uint32_t)0x00000000)
+#define FMC_ASYNCHRONOUS_WAIT_ENABLE            ((uint32_t)0x00008000)
+/**
+  * @}
+  */  
+
+/** @defgroup FMC_Page_Size FMC Page Size
+  * @{
+  */
+#define FMC_PAGE_SIZE_NONE           ((uint32_t)0x00000000)
+#define FMC_PAGE_SIZE_128            ((uint32_t)FMC_BCR1_CPSIZE_0)
+#define FMC_PAGE_SIZE_256            ((uint32_t)FMC_BCR1_CPSIZE_1)
+#define FMC_PAGE_SIZE_1024           ((uint32_t)FMC_BCR1_CPSIZE_2)
+/**
+  * @}
+  */  
+
+/** @defgroup FMC_Write_Burst FMC Write Burst
+  * @{
+  */
+#define FMC_WRITE_BURST_DISABLE                 ((uint32_t)0x00000000)
+#define FMC_WRITE_BURST_ENABLE                  ((uint32_t)0x00080000) 
+/**
+  * @}
+  */
+  
+/** @defgroup FMC_Continous_Clock FMC Continuous Clock
+  * @{
+  */
+#define FMC_CONTINUOUS_CLOCK_SYNC_ONLY          ((uint32_t)0x00000000)
+#define FMC_CONTINUOUS_CLOCK_SYNC_ASYNC         ((uint32_t)0x00100000)
+/**
+  * @}
+  */ 
+
+/** @defgroup FMC_Write_FIFO FMC Write FIFO 
+  * @{
+  */
+#define FMC_WRITE_FIFO_DISABLE           ((uint32_t)0x00000000)
+#define FMC_WRITE_FIFO_ENABLE            ((uint32_t)FMC_BCR1_WFDIS)
+/**
+  * @}
+  */
+	
+/** @defgroup FMC_Access_Mode FMC Access Mode 
+  * @{
+  */
+#define FMC_ACCESS_MODE_A                        ((uint32_t)0x00000000)
+#define FMC_ACCESS_MODE_B                        ((uint32_t)0x10000000) 
+#define FMC_ACCESS_MODE_C                        ((uint32_t)0x20000000)
+#define FMC_ACCESS_MODE_D                        ((uint32_t)0x30000000)
+/**
+  * @}
+  */
+    
+/**
+  * @}
+  */ 
+
+/** @defgroup FMC_LL_NAND_Controller FMC NAND Controller 
+  * @{
+  */
+/** @defgroup FMC_NAND_Bank FMC NAND Bank 
+  * @{
+  */
+#define FMC_NAND_BANK3                          ((uint32_t)0x00000100) 
+/**
+  * @}
+  */
+
+/** @defgroup FMC_Wait_feature FMC Wait feature
+  * @{
+  */
+#define FMC_NAND_WAIT_FEATURE_DISABLE           ((uint32_t)0x00000000)
+#define FMC_NAND_WAIT_FEATURE_ENABLE            ((uint32_t)0x00000002)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_PCR_Memory_Type FMC PCR Memory Type 
+  * @{
+  */
+#define FMC_PCR_MEMORY_TYPE_NAND          ((uint32_t)0x00000008)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_NAND_Data_Width FMC NAND Data Width 
+  * @{
+  */
+#define FMC_NAND_MEM_BUS_WIDTH_8                ((uint32_t)0x00000000)
+#define FMC_NAND_MEM_BUS_WIDTH_16               ((uint32_t)0x00000010)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_ECC FMC ECC 
+  * @{
+  */
+#define FMC_NAND_ECC_DISABLE                    ((uint32_t)0x00000000)
+#define FMC_NAND_ECC_ENABLE                     ((uint32_t)0x00000040)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_ECC_Page_Size FMC ECC Page Size 
+  * @{
+  */
+#define FMC_NAND_ECC_PAGE_SIZE_256BYTE          ((uint32_t)0x00000000)
+#define FMC_NAND_ECC_PAGE_SIZE_512BYTE          ((uint32_t)0x00020000)
+#define FMC_NAND_ECC_PAGE_SIZE_1024BYTE         ((uint32_t)0x00040000)
+#define FMC_NAND_ECC_PAGE_SIZE_2048BYTE         ((uint32_t)0x00060000)
+#define FMC_NAND_ECC_PAGE_SIZE_4096BYTE         ((uint32_t)0x00080000)
+#define FMC_NAND_ECC_PAGE_SIZE_8192BYTE         ((uint32_t)0x000A0000)
+/**
+  * @}
+  */
+  
+/**
+  * @}
+  */ 
+
+/** @defgroup FMC_LL_SDRAM_Controller FMC SDRAM Controller 
+  * @{
+  */
+/** @defgroup FMC_SDRAM_Bank FMC SDRAM Bank
+  * @{
+  */
+#define FMC_SDRAM_BANK1                       ((uint32_t)0x00000000)
+#define FMC_SDRAM_BANK2                       ((uint32_t)0x00000001)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_Column_Bits_number FMC SDRAM Column Bits number 
+  * @{
+  */
+#define FMC_SDRAM_COLUMN_BITS_NUM_8           ((uint32_t)0x00000000)
+#define FMC_SDRAM_COLUMN_BITS_NUM_9           ((uint32_t)0x00000001)
+#define FMC_SDRAM_COLUMN_BITS_NUM_10          ((uint32_t)0x00000002)
+#define FMC_SDRAM_COLUMN_BITS_NUM_11          ((uint32_t)0x00000003)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_Row_Bits_number FMC SDRAM Row Bits number
+  * @{
+  */
+#define FMC_SDRAM_ROW_BITS_NUM_11             ((uint32_t)0x00000000)
+#define FMC_SDRAM_ROW_BITS_NUM_12             ((uint32_t)0x00000004)
+#define FMC_SDRAM_ROW_BITS_NUM_13             ((uint32_t)0x00000008)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_Memory_Bus_Width FMC SDRAM Memory Bus Width
+  * @{
+  */
+#define FMC_SDRAM_MEM_BUS_WIDTH_8             ((uint32_t)0x00000000)
+#define FMC_SDRAM_MEM_BUS_WIDTH_16            ((uint32_t)0x00000010)
+#define FMC_SDRAM_MEM_BUS_WIDTH_32            ((uint32_t)0x00000020)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_Internal_Banks_Number FMC SDRAM Internal Banks Number
+  * @{
+  */
+#define FMC_SDRAM_INTERN_BANKS_NUM_2          ((uint32_t)0x00000000)
+#define FMC_SDRAM_INTERN_BANKS_NUM_4          ((uint32_t)0x00000040)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_CAS_Latency FMC SDRAM CAS Latency
+  * @{
+  */
+#define FMC_SDRAM_CAS_LATENCY_1               ((uint32_t)0x00000080)
+#define FMC_SDRAM_CAS_LATENCY_2               ((uint32_t)0x00000100)
+#define FMC_SDRAM_CAS_LATENCY_3               ((uint32_t)0x00000180)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_Write_Protection FMC SDRAM Write Protection
+  * @{
+  */
+#define FMC_SDRAM_WRITE_PROTECTION_DISABLE    ((uint32_t)0x00000000)
+#define FMC_SDRAM_WRITE_PROTECTION_ENABLE     ((uint32_t)0x00000200)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_Clock_Period FMC SDRAM Clock Period
+  * @{
+  */
+#define FMC_SDRAM_CLOCK_DISABLE               ((uint32_t)0x00000000)
+#define FMC_SDRAM_CLOCK_PERIOD_2              ((uint32_t)0x00000800)
+#define FMC_SDRAM_CLOCK_PERIOD_3              ((uint32_t)0x00000C00)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_Read_Burst FMC SDRAM Read Burst
+  * @{
+  */
+#define FMC_SDRAM_RBURST_DISABLE              ((uint32_t)0x00000000)
+#define FMC_SDRAM_RBURST_ENABLE               ((uint32_t)0x00001000)
+/**
+  * @}
+  */
+  
+/** @defgroup FMC_SDRAM_Read_Pipe_Delay FMC SDRAM Read Pipe Delay
+  * @{
+  */
+#define FMC_SDRAM_RPIPE_DELAY_0               ((uint32_t)0x00000000)
+#define FMC_SDRAM_RPIPE_DELAY_1               ((uint32_t)0x00002000)
+#define FMC_SDRAM_RPIPE_DELAY_2               ((uint32_t)0x00004000)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_Command_Mode FMC SDRAM Command Mode
+  * @{
+  */
+#define FMC_SDRAM_CMD_NORMAL_MODE             ((uint32_t)0x00000000)
+#define FMC_SDRAM_CMD_CLK_ENABLE              ((uint32_t)0x00000001)
+#define FMC_SDRAM_CMD_PALL                    ((uint32_t)0x00000002)
+#define FMC_SDRAM_CMD_AUTOREFRESH_MODE        ((uint32_t)0x00000003)
+#define FMC_SDRAM_CMD_LOAD_MODE               ((uint32_t)0x00000004)
+#define FMC_SDRAM_CMD_SELFREFRESH_MODE        ((uint32_t)0x00000005)
+#define FMC_SDRAM_CMD_POWERDOWN_MODE          ((uint32_t)0x00000006)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_Command_Target FMC SDRAM Command Target
+  * @{
+  */
+#define FMC_SDRAM_CMD_TARGET_BANK2            FMC_SDCMR_CTB2
+#define FMC_SDRAM_CMD_TARGET_BANK1            FMC_SDCMR_CTB1
+#define FMC_SDRAM_CMD_TARGET_BANK1_2          ((uint32_t)0x00000018)
+/**
+  * @}
+  */
+
+/** @defgroup FMC_SDRAM_Mode_Status FMC SDRAM Mode Status 
+  * @{
+  */
+#define FMC_SDRAM_NORMAL_MODE                     ((uint32_t)0x00000000)
+#define FMC_SDRAM_SELF_REFRESH_MODE               FMC_SDSR_MODES1_0
+#define FMC_SDRAM_POWER_DOWN_MODE                 FMC_SDSR_MODES1_1
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */ 
+
+/** @defgroup FMC_LL_Interrupt_definition FMC Low Layer Interrupt definition  
+  * @{
+  */  
+#define FMC_IT_RISING_EDGE                ((uint32_t)0x00000008)
+#define FMC_IT_LEVEL                      ((uint32_t)0x00000010)
+#define FMC_IT_FALLING_EDGE               ((uint32_t)0x00000020)
+#define FMC_IT_REFRESH_ERROR              ((uint32_t)0x00004000)
+/**
+  * @}
+  */
+    
+/** @defgroup FMC_LL_Flag_definition FMC Low Layer Flag definition 
+  * @{
+  */ 
+#define FMC_FLAG_RISING_EDGE                    ((uint32_t)0x00000001)
+#define FMC_FLAG_LEVEL                          ((uint32_t)0x00000002)
+#define FMC_FLAG_FALLING_EDGE                   ((uint32_t)0x00000004)
+#define FMC_FLAG_FEMPT                          ((uint32_t)0x00000040)
+#define FMC_SDRAM_FLAG_REFRESH_IT               FMC_SDSR_RE
+#define FMC_SDRAM_FLAG_BUSY                     FMC_SDSR_BUSY
+#define FMC_SDRAM_FLAG_REFRESH_ERROR            FMC_SDRTR_CRE
+/**
+  * @}
+  */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Private macro -------------------------------------------------------------*/
+/** @defgroup FMC_LL_Private_Macros FMC_LL  Private Macros
+  * @{
+  */
+
+/** @defgroup FMC_LL_NOR_Macros FMC NOR/SRAM Macros
+ *  @brief macros to handle NOR device enable/disable and read/write operations
+ *  @{
+ */
+ 
+/**
+  * @brief  Enable the NORSRAM device access.
+  * @param  __INSTANCE__: FMC_NORSRAM Instance
+  * @param  __BANK__: FMC_NORSRAM Bank     
+  * @retval None
+  */ 
+#define __FMC_NORSRAM_ENABLE(__INSTANCE__, __BANK__)  ((__INSTANCE__)->BTCR[(__BANK__)] |= FMC_BCR1_MBKEN)
+
+/**
+  * @brief  Disable the NORSRAM device access.
+  * @param  __INSTANCE__: FMC_NORSRAM Instance
+  * @param  __BANK__: FMC_NORSRAM Bank   
+  * @retval None
+  */ 
+#define __FMC_NORSRAM_DISABLE(__INSTANCE__, __BANK__) ((__INSTANCE__)->BTCR[(__BANK__)] &= ~FMC_BCR1_MBKEN)  
+
+/**
+  * @}
+  */ 
+
+/** @defgroup FMC_LL_NAND_Macros FMC NAND Macros
+ *  @brief macros to handle NAND device enable/disable
+ *  @{
+ */
+ 
+/**
+  * @brief  Enable the NAND device access.
+  * @param  __INSTANCE__: FMC_NAND Instance    
+  * @retval None
+  */  
+#define __FMC_NAND_ENABLE(__INSTANCE__)  ((__INSTANCE__)->PCR |= FMC_PCR_PBKEN)
+
+/**
+  * @brief  Disable the NAND device access.
+  * @param  __INSTANCE__: FMC_NAND Instance  
+  * @retval None
+  */
+#define __FMC_NAND_DISABLE(__INSTANCE__) ((__INSTANCE__)->PCR &= ~FMC_PCR_PBKEN)
+
+/**
+  * @}
+  */ 
+    
+/** @defgroup FMC_Interrupt FMC Interrupt
+ *  @brief macros to handle FMC interrupts
+ * @{
+ */ 
+
+/**
+  * @brief  Enable the NAND device interrupt.
+  * @param  __INSTANCE__:  FMC_NAND instance     
+  * @param  __INTERRUPT__: FMC_NAND interrupt 
+  *         This parameter can be any combination of the following values:
+  *            @arg FMC_IT_RISING_EDGE: Interrupt rising edge.
+  *            @arg FMC_IT_LEVEL: Interrupt level.
+  *            @arg FMC_IT_FALLING_EDGE: Interrupt falling edge.       
+  * @retval None
+  */  
+#define __FMC_NAND_ENABLE_IT(__INSTANCE__, __INTERRUPT__)  ((__INSTANCE__)->SR |= (__INTERRUPT__))
+
+/**
+  * @brief  Disable the NAND device interrupt.
+  * @param  __INSTANCE__:  FMC_NAND Instance
+  * @param  __INTERRUPT__: FMC_NAND interrupt
+  *         This parameter can be any combination of the following values:
+  *            @arg FMC_IT_RISING_EDGE: Interrupt rising edge.
+  *            @arg FMC_IT_LEVEL: Interrupt level.
+  *            @arg FMC_IT_FALLING_EDGE: Interrupt falling edge.   
+  * @retval None
+  */
+#define __FMC_NAND_DISABLE_IT(__INSTANCE__, __INTERRUPT__)  ((__INSTANCE__)->SR &= ~(__INTERRUPT__))
+                                                                                                                           
+/**
+  * @brief  Get flag status of the NAND device.
+  * @param  __INSTANCE__: FMC_NAND Instance
+  * @param  __BANK__:     FMC_NAND Bank     
+  * @param  __FLAG__: FMC_NAND flag
+  *         This parameter can be any combination of the following values:
+  *            @arg FMC_FLAG_RISING_EDGE: Interrupt rising edge flag.
+  *            @arg FMC_FLAG_LEVEL: Interrupt level edge flag.
+  *            @arg FMC_FLAG_FALLING_EDGE: Interrupt falling edge flag.
+  *            @arg FMC_FLAG_FEMPT: FIFO empty flag.   
+  * @retval The state of FLAG (SET or RESET).
+  */
+#define __FMC_NAND_GET_FLAG(__INSTANCE__, __BANK__, __FLAG__)  (((__INSTANCE__)->SR &(__FLAG__)) == (__FLAG__))
+
+/**
+  * @brief  Clear flag status of the NAND device.
+  * @param  __INSTANCE__: FMC_NAND Instance   
+  * @param  __FLAG__: FMC_NAND flag
+  *         This parameter can be any combination of the following values:
+  *            @arg FMC_FLAG_RISING_EDGE: Interrupt rising edge flag.
+  *            @arg FMC_FLAG_LEVEL: Interrupt level edge flag.
+  *            @arg FMC_FLAG_FALLING_EDGE: Interrupt falling edge flag.
+  *            @arg FMC_FLAG_FEMPT: FIFO empty flag.   
+  * @retval None
+  */
+#define __FMC_NAND_CLEAR_FLAG(__INSTANCE__, __FLAG__)  ((__INSTANCE__)->SR &= ~(__FLAG__))  
+
+/**
+  * @brief  Enable the SDRAM device interrupt.
+  * @param  __INSTANCE__: FMC_SDRAM instance  
+  * @param  __INTERRUPT__: FMC_SDRAM interrupt 
+  *         This parameter can be any combination of the following values:
+  *            @arg FMC_IT_REFRESH_ERROR: Interrupt refresh error      
+  * @retval None
+  */
+#define __FMC_SDRAM_ENABLE_IT(__INSTANCE__, __INTERRUPT__)  ((__INSTANCE__)->SDRTR |= (__INTERRUPT__))
+
+/**
+  * @brief  Disable the SDRAM device interrupt.
+  * @param  __INSTANCE__: FMC_SDRAM instance  
+  * @param  __INTERRUPT__: FMC_SDRAM interrupt 
+  *         This parameter can be any combination of the following values:
+  *            @arg FMC_IT_REFRESH_ERROR: Interrupt refresh error      
+  * @retval None
+  */
+#define __FMC_SDRAM_DISABLE_IT(__INSTANCE__, __INTERRUPT__)  ((__INSTANCE__)->SDRTR &= ~(__INTERRUPT__))
+
+/**
+  * @brief  Get flag status of the SDRAM device.
+  * @param  __INSTANCE__: FMC_SDRAM instance  
+  * @param  __FLAG__: FMC_SDRAM flag
+  *         This parameter can be any combination of the following values:
+  *            @arg FMC_SDRAM_FLAG_REFRESH_IT: Interrupt refresh error.
+  *            @arg FMC_SDRAM_FLAG_BUSY: SDRAM busy flag.
+  *            @arg FMC_SDRAM_FLAG_REFRESH_ERROR: Refresh error flag.
+  * @retval The state of FLAG (SET or RESET).
+  */
+#define __FMC_SDRAM_GET_FLAG(__INSTANCE__, __FLAG__)  (((__INSTANCE__)->SDSR &(__FLAG__)) == (__FLAG__))
+
+/**
+  * @brief  Clear flag status of the SDRAM device.
+  * @param  __INSTANCE__: FMC_SDRAM instance  
+  * @param  __FLAG__: FMC_SDRAM flag
+  *         This parameter can be any combination of the following values:
+  *           @arg FMC_SDRAM_FLAG_REFRESH_ERROR
+  * @retval None
+  */
+#define __FMC_SDRAM_CLEAR_FLAG(__INSTANCE__, __FLAG__)  ((__INSTANCE__)->SDRTR |= (__FLAG__))
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */ 
+
+/* Private functions ---------------------------------------------------------*/
+/** @defgroup FMC_LL_Private_Functions FMC LL Private Functions
+  *  @{
+  */
+
+/** @defgroup FMC_LL_NORSRAM  NOR SRAM
+  *  @{
+  */
+/** @defgroup FMC_LL_NORSRAM_Private_Functions_Group1 NOR SRAM Initialization/de-initialization functions 
+  *  @{
+  */
+HAL_StatusTypeDef  FMC_NORSRAM_Init(FMC_NORSRAM_TypeDef *Device, FMC_NORSRAM_InitTypeDef *Init);
+HAL_StatusTypeDef  FMC_NORSRAM_Timing_Init(FMC_NORSRAM_TypeDef *Device, FMC_NORSRAM_TimingTypeDef *Timing, uint32_t Bank);
+HAL_StatusTypeDef  FMC_NORSRAM_Extended_Timing_Init(FMC_NORSRAM_EXTENDED_TypeDef *Device, FMC_NORSRAM_TimingTypeDef *Timing, uint32_t Bank, uint32_t ExtendedMode);
+HAL_StatusTypeDef  FMC_NORSRAM_DeInit(FMC_NORSRAM_TypeDef *Device, FMC_NORSRAM_EXTENDED_TypeDef *ExDevice, uint32_t Bank);
+/**
+  * @}
+  */ 
+
+/** @defgroup FMC_LL_NORSRAM_Private_Functions_Group2 NOR SRAM Control functions 
+  *  @{
+  */
+HAL_StatusTypeDef  FMC_NORSRAM_WriteOperation_Enable(FMC_NORSRAM_TypeDef *Device, uint32_t Bank);
+HAL_StatusTypeDef  FMC_NORSRAM_WriteOperation_Disable(FMC_NORSRAM_TypeDef *Device, uint32_t Bank);
+/**
+  * @}
+  */
+/**
+  * @}
+  */
+
+/** @defgroup FMC_LL_NAND NAND
+  *  @{
+  */
+/** @defgroup FMC_LL_NAND_Private_Functions_Group1 NAND Initialization/de-initialization functions 
+  *  @{
+  */
+HAL_StatusTypeDef  FMC_NAND_Init(FMC_NAND_TypeDef *Device, FMC_NAND_InitTypeDef *Init);
+HAL_StatusTypeDef  FMC_NAND_CommonSpace_Timing_Init(FMC_NAND_TypeDef *Device, FMC_NAND_PCC_TimingTypeDef *Timing, uint32_t Bank);
+HAL_StatusTypeDef  FMC_NAND_AttributeSpace_Timing_Init(FMC_NAND_TypeDef *Device, FMC_NAND_PCC_TimingTypeDef *Timing, uint32_t Bank);
+HAL_StatusTypeDef  FMC_NAND_DeInit(FMC_NAND_TypeDef *Device, uint32_t Bank);
+/**
+  * @}
+  */
+
+/** @defgroup FMC_LL_NAND_Private_Functions_Group2 NAND Control functions 
+  *  @{
+  */
+HAL_StatusTypeDef  FMC_NAND_ECC_Enable(FMC_NAND_TypeDef *Device, uint32_t Bank);
+HAL_StatusTypeDef  FMC_NAND_ECC_Disable(FMC_NAND_TypeDef *Device, uint32_t Bank);
+HAL_StatusTypeDef  FMC_NAND_GetECC(FMC_NAND_TypeDef *Device, uint32_t *ECCval, uint32_t Bank, uint32_t Timeout);
+/**
+  * @}
+  */
+
+/** @defgroup FMC_LL_SDRAM SDRAM
+  *  @{
+  */
+/** @defgroup FMC_LL_SDRAM_Private_Functions_Group1 SDRAM Initialization/de-initialization functions 
+  *  @{
+  */
+HAL_StatusTypeDef  FMC_SDRAM_Init(FMC_SDRAM_TypeDef *Device, FMC_SDRAM_InitTypeDef *Init);
+HAL_StatusTypeDef  FMC_SDRAM_Timing_Init(FMC_SDRAM_TypeDef *Device, FMC_SDRAM_TimingTypeDef *Timing, uint32_t Bank);
+HAL_StatusTypeDef  FMC_SDRAM_DeInit(FMC_SDRAM_TypeDef *Device, uint32_t Bank);
+
+/**
+  * @}
+  */
+
+/** @defgroup FMC_LL_SDRAM_Private_Functions_Group2 SDRAM Control functions 
+  *  @{
+  */
+HAL_StatusTypeDef  FMC_SDRAM_WriteProtection_Enable(FMC_SDRAM_TypeDef *Device, uint32_t Bank);
+HAL_StatusTypeDef  FMC_SDRAM_WriteProtection_Disable(FMC_SDRAM_TypeDef *Device, uint32_t Bank);
+HAL_StatusTypeDef  FMC_SDRAM_SendCommand(FMC_SDRAM_TypeDef *Device, FMC_SDRAM_CommandTypeDef *Command, uint32_t Timeout);
+HAL_StatusTypeDef  FMC_SDRAM_ProgramRefreshRate(FMC_SDRAM_TypeDef *Device, uint32_t RefreshRate);
+HAL_StatusTypeDef  FMC_SDRAM_SetAutoRefreshNumber(FMC_SDRAM_TypeDef *Device, uint32_t AutoRefreshNumber);
+uint32_t           FMC_SDRAM_GetModeStatus(FMC_SDRAM_TypeDef *Device, uint32_t Bank);
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F7xx_LL_FMC_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/