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44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/* Copyright (c) 2015 Ivan Grokhotkov. All rights reserved.
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* This file is part of eboot bootloader.
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*
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* Redistribution and use is permitted according to the conditions of the
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* 3-clause BSD license to be found in the LICENSE file.
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*/
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#ifndef FLASH_H
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#define FLASH_H
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int SPIEraseBlock(uint32_t block);
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int SPIEraseSector(uint32_t sector);
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int SPIRead(uint32_t addr, void *dest, size_t size);
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int SPIWrite(uint32_t addr, void *src, size_t size);
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int SPIEraseAreaEx(const uint32_t start, const uint32_t size);
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#define FLASH_SECTOR_SIZE 0x1000
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#define FLASH_BLOCK_SIZE 0x10000
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#define APP_START_OFFSET 0x1000
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typedef struct {
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unsigned char magic;
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unsigned char num_segments;
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/* SPI Flash Interface (0 = QIO, 1 = QOUT, 2 = DIO, 0x3 = DOUT) */
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unsigned char flash_mode;
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/* High four bits: 0 = 512K, 1 = 256K, 2 = 1M, 3 = 2M, 4 = 4M,
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Low four bits: 0 = 40MHz, 1= 26MHz, 2 = 20MHz, 0xf = 80MHz */
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unsigned char flash_size_freq;
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uint32_t entry;
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} image_header_t;
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typedef struct {
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uint32_t address;
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uint32_t size;
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} section_header_t;
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#endif //FLASH_H
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