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flash.h
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/* Copyright (c) 2015 Ivan Grokhotkov. All rights reserved.
* This file is part of eboot bootloader.
*
* Redistribution and use is permitted according to the conditions of the
* 3-clause BSD license to be found in the LICENSE file.
*/
#ifndef FLASH_H
#define FLASH_H
/* The geometry defines are placed in the sdk. The .h was factored out for reuse by eboot here.
* Beware: this means that eboot has an external dependency.
* The following .h is placed in tools/sdk/includes
*/
#include <spi_flash_geometry.h>
int SPIEraseBlock(uint32_t block);
int SPIEraseSector(uint32_t sector);
int SPIRead(uint32_t addr, void *dest, size_t size);
int SPIWrite(uint32_t addr, void *src, size_t size);
int SPIEraseAreaEx(const uint32_t start, const uint32_t size);
typedef struct {
unsigned char magic;
unsigned char num_segments;
/* SPI Flash Interface (0 = QIO, 1 = QOUT, 2 = DIO, 0x3 = DOUT) */
unsigned char flash_mode;
/* High four bits: 0 = 512K, 1 = 256K, 2 = 1M, 3 = 2M, 4 = 4M, 8 = 8M, 9 = 16M
Low four bits: 0 = 40MHz, 1= 26MHz, 2 = 20MHz, 0xf = 80MHz */
unsigned char flash_size_freq;
uint32_t entry;
} image_header_t;
typedef struct {
uint32_t address;
uint32_t size;
} section_header_t;
#endif //FLASH_H