mirror of
https://github.com/trezor/trezor-firmware.git
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124 lines
4.0 KiB
C
124 lines
4.0 KiB
C
/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TREZORHAL_FLASH_H
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#define TREZORHAL_FLASH_H
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#include <stdint.h>
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#include <stdlib.h>
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#include "secbool.h"
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// see docs/memory.md for more information
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#if TREZOR_MODEL == T
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#define FLASH_SECTOR_COUNT 24
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#elif TREZOR_MODEL == 1
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#define FLASH_SECTOR_COUNT 12
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#else
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#error Unknown Trezor model
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#endif
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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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#if TREZOR_MODEL == T
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#define FLASH_SECTOR_STORAGE_1 4
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#define FLASH_SECTOR_STORAGE_2 16
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#elif TREZOR_MODEL == 1
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#define FLASH_SECTOR_STORAGE_1 2
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#define FLASH_SECTOR_STORAGE_2 3
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#else
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#error Unknown Trezor model
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#endif
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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_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 BOOTLOADER_SECTORS_COUNT (1)
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#define STORAGE_SECTORS_COUNT (2)
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#define FIRMWARE_SECTORS_COUNT (6 + 7)
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extern const uint8_t STORAGE_SECTORS[STORAGE_SECTORS_COUNT];
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extern const uint8_t FIRMWARE_SECTORS[FIRMWARE_SECTORS_COUNT];
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// note: FLASH_SR_RDERR is STM32F42xxx and STM32F43xxx specific (STM32F427)
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// (reference RM0090 section 3.7.5)
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#ifndef STM32F427xx
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#define FLASH_SR_RDERR 0
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#endif
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#define FLASH_STATUS_ALL_FLAGS \
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(FLASH_SR_RDERR | FLASH_SR_PGSERR | FLASH_SR_PGPERR | FLASH_SR_PGAERR | \
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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_write(void);
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secbool __wur flash_lock_write(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,
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void (*progress)(int pos, int len));
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static inline secbool flash_erase(uint8_t sector) {
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return flash_erase_sectors(§or, 1, NULL);
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}
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secbool __wur flash_write_byte(uint8_t sector, uint32_t offset, uint8_t data);
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secbool __wur flash_write_word(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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// OTP blocks allocation
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#define FLASH_OTP_BLOCK_BATCH 0
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#define FLASH_OTP_BLOCK_BOOTLOADER_VERSION 1
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#define FLASH_OTP_BLOCK_VENDOR_KEYS_LOCK 2
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#define FLASH_OTP_BLOCK_RANDOMNESS 3
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secbool __wur flash_otp_read(uint8_t block, uint8_t offset, uint8_t *data,
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uint8_t datalen);
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secbool __wur flash_otp_write(uint8_t block, uint8_t offset,
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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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