MT25TL256 32MiB dual-quad FLASH)

Demo_Project_H7A3/.gitignore

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+Debug/

Demo_Project_H7A3/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Custom_Loader</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>com.st.stm32cube.ide.mcu.MCUProjectNature</nature>
+		<nature>org.eclipse.cdt.core.cnature</nature>
+		<nature>com.st.stm32cube.ide.mcu.MCUCubeIdeServicesRevAev2ProjectNature</nature>
+		<nature>com.st.stm32cube.ide.mcu.MCUCubeProjectNature</nature>
+		<nature>com.st.stm32cube.ide.mcu.MCUAdvancedStructureProjectNature</nature>
+		<nature>com.st.stm32cube.ide.mcu.MCUSingleCpuProjectNature</nature>
+		<nature>com.st.stm32cube.ide.mcu.MCURootProjectNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+	</natures>
+</projectDescription>

Demo_Project_H7A3/Core/Inc/Dev_Inf.h

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+
+#ifndef DEV_INF_H_
+#define DEV_INF_H_
+
+#define 	MCU_FLASH 	1
+#define 	NAND_FLASH  2
+#define 	NOR_FLASH   3
+#define 	SRAM        4
+#define 	PSRAM       5
+#define 	PC_CARD     6
+#define 	SPI_FLASH   7
+#define 	I2C_FLASH   8
+#define 	SDRAM       9
+#define 	I2C_EEPROM  10
+
+#define SECTOR_NUM 10				// Max Number of Sector types
+
+struct DeviceSectors
+{
+  unsigned long		SectorNum;     // Number of Sectors
+  unsigned long		SectorSize;    // Sector Size in Bytes
+};
+
+struct StorageInfo
+{
+   char       	  DeviceName[100];		// Device Name and Description
+   unsigned short DeviceType;				// Device Type: ONCHIP, EXT8BIT, EXT16BIT, ...
+   unsigned long  DeviceStartAddress;		// Default Device Start Address
+   unsigned long  DeviceSize;				// Total Size of Device
+   unsigned long  PageSize;					// Programming Page Size
+   unsigned char  EraseValue;				// Content of Erased Memory
+   struct 	  DeviceSectors	 sectors[SECTOR_NUM];
+};
+
+extern struct StorageInfo const StorageInfo;
+
+
+#endif /* DEV_INF_H_ */

Demo_Project_H7A3/Core/Inc/Loader_Src.h

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+#ifndef INC_LOADER_SRC_H_
+#define INC_LOADER_SRC_H_
+
+#include <stdint.h>
+
+#define LOADER_OK	0x1
+#define LOADER_FAIL	0x0
+
+int Init(void);
+int SectorErase(uint32_t EraseStartAddress, uint32_t EraseEndAddress);
+int MassErase(void);
+int Write(uint32_t Address, uint32_t Size, const uint8_t* buffer);
+uint32_t CheckSum(uint32_t StartAddress, uint32_t Size, uint32_t InitVal);
+uint64_t Verify(uint32_t MemoryAddr, uint32_t RAMBufferAddr, uint32_t Size,uint32_t missalignement);
+
+#endif // INC_LOADER_SRC_H_

Demo_Project_H7A3/Core/Inc/gpio.h

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+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    gpio.h
+  * @brief   This file contains all the function prototypes for
+  *          the gpio.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __GPIO_H__
+#define __GPIO_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_GPIO_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /*__ GPIO_H__ */
+

Demo_Project_H7A3/Core/Inc/main.h

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+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : main.h
+  * @brief          : Header for main.c file.
+  *                   This file contains the common defines of the application.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __MAIN_H
+#define __MAIN_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32h7xx_hal.h"
+
+/* Private includes ----------------------------------------------------------*/
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* Exported types ------------------------------------------------------------*/
+/* USER CODE BEGIN ET */
+
+/* USER CODE END ET */
+
+/* Exported constants --------------------------------------------------------*/
+/* USER CODE BEGIN EC */
+
+/* USER CODE END EC */
+
+/* Exported macro ------------------------------------------------------------*/
+/* USER CODE BEGIN EM */
+
+/* USER CODE END EM */
+
+/* Exported functions prototypes ---------------------------------------------*/
+void Error_Handler(void);
+
+/* USER CODE BEGIN EFP */
+
+/* USER CODE END EFP */
+
+/* Private defines -----------------------------------------------------------*/
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __MAIN_H */

Demo_Project_H7A3/Core/Inc/octospi.h

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+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    octospi.h
+  * @brief   This file contains all the function prototypes for
+  *          the octospi.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __OCTOSPI_H__
+#define __OCTOSPI_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+extern OSPI_HandleTypeDef hospi1;
+
+/* USER CODE BEGIN Private defines */
+
+//MT25TL256 memory parameters (single die specs):
+#define MEMORY_FLASH_SIZE	(16UL << 20)	// 128 Mib => 16MiB
+//#define MEMORY_BLOCK_SIZE	(?UL << 10)   	// ? sectors of ?KiB
+#define MEMORY_SECTOR_SIZE	(4UL << 10)   	// 4096 subsectors of 4KiB
+#define MEMORY_PAGE_SIZE	256     		// 65536 pages of 256B
+#define SECTORS_COUNT (MEMORY_FLASH_SIZE / MEMORY_SECTOR_SIZE)
+
+//MT25TL256 memory parameters (twin die specs):
+#define MEMORY_DUAL_FLASH_SIZE (MEMORY_FLASH_SIZE*2)
+#define MEMORY_DUAL_PAGE_SIZE (MEMORY_PAGE_SIZE*2)
+#define MEMORY_DUAL_SECTOR_SIZE (MEMORY_SECTOR_SIZE*2)
+
+#define MEMORY_MAPPED_START_ADDRESS 0x90000000
+
+
+
+
+/* USER CODE END Private defines */
+
+void MX_OCTOSPI1_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+uint8_t CSP_QUADSPI_Init(void);
+uint8_t CSP_QSPI_EraseSector(uint32_t EraseStartAddress ,uint32_t EraseEndAddress);
+uint8_t CSP_QSPI_WriteMemory(const uint8_t* buffer, uint32_t address, uint32_t buffer_size);
+uint8_t CSP_QSPI_ReadMemory(uint8_t* buffer, uint32_t address, uint32_t buffer_size);
+uint8_t CSP_QSPI_EnableMemoryMappedMode(void);
+uint8_t CSP_QSPI_Erase_Chip(void);
+
+extern OSPI_HandleTypeDef hospi1;
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __OCTOSPI_H__ */
+