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https://github.com/trezor/trezor-firmware.git
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69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
#ifndef TREZORHAL_FLASH_H
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#define TREZORHAL_FLASH_H
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#include <stdint.h>
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#include "secbool.h"
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// see docs/memory.md for more information
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#define FLASH_SECTOR_BOARDLOADER_START 0
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// 1
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#define FLASH_SECTOR_BOARDLOADER_END 2
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// 3
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#define FLASH_SECTOR_STORAGE_1 4
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#define FLASH_SECTOR_BOOTLOADER 5
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#define FLASH_SECTOR_FIRMWARE_START 6
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// 7
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// 8
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// 9
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// 10
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#define FLASH_SECTOR_FIRMWARE_END 11
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#define FLASH_SECTOR_UNUSED_START 12
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// 13
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// 14
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#define FLASH_SECTOR_UNUSED_END 15
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#define FLASH_SECTOR_STORAGE_2 16
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#define FLASH_SECTOR_FIRMWARE_EXTRA_START 17
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// 18
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// 19
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// 20
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// 21
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// 22
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#define FLASH_SECTOR_FIRMWARE_EXTRA_END 23
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#define FLASH_SECTOR_COUNT 24
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// note: FLASH_SR_RDERR is STM32F42xxx and STM32F43xxx specific (STM32F427) (reference RM0090 section 3.7.5)
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#define FLASH_STATUS_ALL_FLAGS (FLASH_SR_RDERR | FLASH_SR_PGSERR | FLASH_SR_PGPERR | FLASH_SR_PGAERR | FLASH_SR_WRPERR | FLASH_SR_SOP | FLASH_SR_EOP)
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void flash_init(void);
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secbool __wur flash_unlock(void);
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secbool __wur flash_lock(void);
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const void *flash_get_address(uint8_t sector, uint32_t offset, uint32_t size);
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secbool __wur flash_erase_sectors(const uint8_t *sectors, int len, void (*progress)(int pos, int len));
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static inline secbool flash_erase_sector(uint8_t sector) { return flash_erase_sectors(§or, 1, NULL); }
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secbool __wur flash_write_byte(uint32_t address, uint8_t data);
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secbool __wur flash_write_word(uint32_t address, uint32_t data);
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secbool __wur flash_write_byte_rel(uint8_t sector, uint32_t offset, uint8_t data);
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secbool __wur flash_write_word_rel(uint8_t sector, uint32_t offset, uint32_t data);
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#define FLASH_OTP_NUM_BLOCKS 16
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#define FLASH_OTP_BLOCK_SIZE 32
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secbool __wur flash_otp_read(uint8_t block, uint8_t offset, uint8_t *data, uint8_t datalen);
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secbool __wur flash_otp_write(uint8_t block, uint8_t offset, const uint8_t *data, uint8_t datalen);
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secbool __wur flash_otp_lock(uint8_t block);
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secbool __wur flash_otp_is_locked(uint8_t block);
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#endif // TREZORHAL_FLASH_H
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