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trezor-firmware/embed/trezorhal/flash.h

64 lines
2.2 KiB
C

#ifndef TREZORHAL_FLASH_H
#define TREZORHAL_FLASH_H
#include <stdint.h>
#include "secbool.h"
// see docs/memory.md for more information
#define FLASH_SECTOR_BOARDLOADER_START 0
// 1
#define FLASH_SECTOR_BOARDLOADER_END 2
#define FLASH_SECTOR_PIN_AREA 3
#define FLASH_SECTOR_STORAGE_1 4
#define FLASH_SECTOR_BOOTLOADER 5
#define FLASH_SECTOR_FIRMWARE_START 6
// 7
// 8
// 9
// 10
#define FLASH_SECTOR_FIRMWARE_END 11
#define FLASH_SECTOR_UNUSED_START 12
// 13
// 14
#define FLASH_SECTOR_UNUSED_END 15
#define FLASH_SECTOR_STORAGE_2 16
#define FLASH_SECTOR_FIRMWARE_EXTRA_START 17
// 18
// 19
// 20
// 21
// 22
#define FLASH_SECTOR_FIRMWARE_EXTRA_END 23
#define FLASH_SECTOR_COUNT 24
// note: FLASH_SR_RDERR is STM32F42xxx and STM32F43xxx specific (STM32F427) (reference RM0090 section 3.7.5)
#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)
extern const uint32_t FLASH_SECTOR_TABLE[FLASH_SECTOR_COUNT + 1];
secbool flash_unlock(void);
secbool flash_lock(void);
secbool flash_erase_sectors(const uint8_t *sectors, int len, void (*progress)(int pos, int len));
secbool flash_write_byte(uint32_t address, uint8_t data);
secbool flash_write_word(uint32_t address, uint32_t data);
#define FLASH_OTP_NUM_BLOCKS 16
#define FLASH_OTP_BLOCK_SIZE 32
secbool flash_otp_read(uint8_t block, uint8_t offset, uint8_t *data, uint8_t datalen);
secbool flash_otp_write(uint8_t block, uint8_t offset, const uint8_t *data, uint8_t datalen);
secbool flash_otp_lock(uint8_t block);
secbool flash_otp_is_locked(uint8_t block);
#endif // TREZORHAL_FLASH_H