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Diffstat (limited to 'boards/base/STM32F469i-Discovery/stm32f469i_discovery_sdram.h')
| -rw-r--r-- | boards/base/STM32F469i-Discovery/stm32f469i_discovery_sdram.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/boards/base/STM32F469i-Discovery/stm32f469i_discovery_sdram.h b/boards/base/STM32F469i-Discovery/stm32f469i_discovery_sdram.h new file mode 100644 index 00000000..6068644f --- /dev/null +++ b/boards/base/STM32F469i-Discovery/stm32f469i_discovery_sdram.h @@ -0,0 +1,169 @@ +/**
+ ******************************************************************************
+ * @file stm32469i_discovery_sdram.h
+ * @author MCD Application Team
+ * @version V2.0.0
+ * @date 27-January-2017
+ * @brief This file contains the common defines and functions prototypes for
+ * the stm32469i_discovery_sdram.c driver.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2017 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 __STM32469I_DISCOVERY_SDRAM_H
+#define __STM32469I_DISCOVERY_SDRAM_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_hal.h"
+
+/** @addtogroup BSP
+ * @{
+ */
+
+/** @addtogroup STM32469I_Discovery
+ * @{
+ */
+
+/** @addtogroup STM32469I-Discovery_SDRAM
+ * @{
+ */
+
+/** @defgroup STM32469I-Discovery_SDRAM_Exported_Types STM32469I Discovery SDRAM Exported Types
+ * @{
+ */
+
+/**
+ * @brief SDRAM status structure definition
+ */
+#define SDRAM_OK ((uint8_t)0x00)
+#define SDRAM_ERROR ((uint8_t)0x01)
+
+/**
+ * @}
+ */
+
+/** @defgroup STM32469I-Discovery_SDRAM_Exported_Constants STM32469I Discovery SDRAM Exported Constants
+ * @{
+ */
+#define SDRAM_DEVICE_ADDR ((uint32_t)0xC0000000)
+
+ /* SDRAM device size in Bytes */
+ #define SDRAM_DEVICE_SIZE ((uint32_t)0x1000000)
+
+#define SDRAM_MEMORY_WIDTH FMC_SDRAM_MEM_BUS_WIDTH_32
+#define SDCLOCK_PERIOD FMC_SDRAM_CLOCK_PERIOD_2
+
+/* SDRAM refresh counter (90 MHz SD clock) */
+#define REFRESH_COUNT ((uint32_t)0x0569)
+#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 STM32469I-Discovery_SDRAM_Exported_Macro STM32469I Discovery SDRAM Exported Macro
+ * @{
+ */
+/**
+ * @}
+ */
+
+/** @addtogroup STM32469I_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 function 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 /* __STM32469I_DISCOVERY_SDRAM_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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