SummerCart64/sw/tools/primer.py

697 lines
26 KiB
Python

#!/usr/bin/env python3
import io
import os
import queue
import serial
import signal
import sys
import time
from binascii import crc32
from enum import IntEnum
from serial.tools import list_ports
from sys import exit
from typing import Callable, Optional
class Utils:
__progress_active = False
@staticmethod
def log(message: str='') -> None:
print(message)
@staticmethod
def log_no_end(message: str='') -> None:
print(message, end='', flush=True)
@staticmethod
def info(message: str='') -> None:
print(f'\033[92m{message}\033[0m')
@staticmethod
def warning(message: str='') -> None:
print(f'\033[93m{message}\033[0m')
@staticmethod
def die(reason: str) -> None:
print(f'\033[91m{reason}\033[0m')
exit(-1)
@property
def get_progress_active(self):
return self.__progress_active
def progress(self, length: int, position: int, description: str) -> None:
value = ((position / length) * 100.0)
if (position == 0):
self.__progress_active = True
Utils.log_no_end(f'\r{value:5.1f}%: [{description}]')
if (position == length):
Utils.log()
self.__progress_active = False
def exit_warning(self):
if (self.__progress_active):
Utils.log()
Utils.warning('Ctrl-C is prohibited during bring-up procedure')
class SC64UpdateDataException(Exception):
pass
class SC64UpdateData:
__UPDATE_TOKEN = b'SC64 Update v2.0'
__CHUNK_ID_UPDATE_INFO = 1
__CHUNK_ID_MCU_DATA = 2
__CHUNK_ID_FPGA_DATA = 3
__CHUNK_ID_BOOTLOADER_DATA = 4
__CHUNK_ID_PRIMER_DATA = 5
__update_info: Optional[str]
__mcu_data: Optional[bytes]
__fpga_data: Optional[bytes]
__bootloader_data: Optional[bytes]
__primer_data: Optional[bytes]
def __int_to_bytes(self, value: int) -> bytes:
return value.to_bytes(4, byteorder='little')
def __align(self, value: int) -> int:
if (value % 16 != 0):
value += (16 - (value % 16))
return value
def __load_int(self, f: io.BufferedReader) -> int:
try:
data = f.read(4)
if (len(data) != 4):
raise ValueError('Read size did not match requested amount')
value = int.from_bytes(data, byteorder='little')
except ValueError as e:
raise SC64UpdateDataException(f'Error while reading chunk header: {e}')
return value
def __load_chunk(self, f: io.BufferedReader) -> tuple[int, bytes]:
id = self.__load_int(f)
aligned_length = self.__load_int(f)
checksum = self.__load_int(f)
data_length = self.__load_int(f)
data = f.read(data_length)
align = (aligned_length - 4 - 4 - data_length)
f.seek(align, io.SEEK_CUR)
if (crc32(data) != checksum):
raise SC64UpdateDataException(f'Invalid checksum for chunk id [{id}] inside update file')
return (id, data)
def load(self, path: str, require_all: bool=False) -> None:
self.__update_info = None
self.__mcu_data = None
self.__fpga_data = None
self.__bootloader_data = None
self.__primer_data = None
try:
with open(path, 'rb') as f:
if (f.read(len(self.__UPDATE_TOKEN)) != self.__UPDATE_TOKEN):
raise SC64UpdateDataException('Invalid update file header')
while (f.peek(1) != b''):
(id, data) = self.__load_chunk(f)
if (id == self.__CHUNK_ID_UPDATE_INFO):
self.__update_info = data.decode('ascii')
elif (id == self.__CHUNK_ID_MCU_DATA):
self.__mcu_data = data
elif (id == self.__CHUNK_ID_FPGA_DATA):
self.__fpga_data = data
elif (id == self.__CHUNK_ID_BOOTLOADER_DATA):
self.__bootloader_data = data
elif (id == self.__CHUNK_ID_PRIMER_DATA):
self.__primer_data = data
else:
raise SC64UpdateDataException('Unknown chunk inside update file')
if (require_all):
if (not self.__update_info):
raise SC64UpdateDataException('No update info inside update file')
if (not self.__mcu_data):
raise SC64UpdateDataException('No MCU data inside update file')
if (not self.__fpga_data):
raise SC64UpdateDataException('No FPGA data inside update file')
if (not self.__bootloader_data):
raise SC64UpdateDataException('No bootloader data inside update file')
if (not self.__primer_data):
raise SC64UpdateDataException('No primer data inside update file')
except IOError as e:
raise SC64UpdateDataException(f'IO error while loading update data: {e}')
def get_update_info(self) -> Optional[str]:
return self.__update_info
def get_mcu_data(self) -> Optional[bytes]:
return self.__mcu_data
def get_fpga_data(self) -> Optional[bytes]:
return self.__fpga_data
def get_bootloader_data(self) -> Optional[bytes]:
return self.__bootloader_data
def get_primer_data(self) -> Optional[bytes]:
return self.__primer_data
def create_bootloader_only_firmware(self):
if (self.__bootloader_data == None):
raise SC64UpdateDataException('No bootloader data available for firmware creation')
chunk = b''
chunk += self.__int_to_bytes(self.__CHUNK_ID_BOOTLOADER_DATA)
chunk += self.__int_to_bytes(8 + self.__align(len(self.__bootloader_data)))
chunk += self.__int_to_bytes(crc32(self.__bootloader_data))
chunk += self.__int_to_bytes(len(self.__bootloader_data))
chunk += self.__bootloader_data
chunk += bytes([0] * (self.__align(len(chunk)) - len(chunk)))
data = b''
data += self.__UPDATE_TOKEN
data += chunk
return data
class STM32BootloaderException(Exception):
pass
class STM32Bootloader:
__INIT = b'\x7F'
__ACK = b'\x79'
__NACK = b'\x1F'
__MEMORY_RW_MAX_SIZE = 256
__FLASH_LOAD_ADDRESS = 0x08000000
__FLASH_MAX_LOAD_SIZE = 0x8000
__RAM_LOAD_ADDRESS = 0x20001000
__RAM_MAX_LOAD_SIZE = 0x1000
DEV_ID_STM32G030XX = b'\x04\x66'
__connected = False
def __init__(self, write: Callable[[bytes], None], read: Callable[[int], bytes], progress: Callable[[int, int, str], None]):
self.__write = write
self.__read = read
self.__progress = progress
def __append_xor(self, data: bytes) -> bytes:
xor = (0xFF if (len(data) == 1) else 0x00)
for b in data:
xor ^= b
return bytes([*data, xor])
def __check_ack(self) -> None:
response = self.__read(1)
if (response == None):
raise STM32BootloaderException('No ACK/NACK byte received')
if (response == self.__NACK):
raise STM32BootloaderException('NACK byte received')
if (response != self.__ACK):
raise STM32BootloaderException('Unknown ACK/NACK byte received')
def __cmd_send(self, cmd: bytes) -> None:
if (len(cmd) != 1):
raise ValueError('Command must contain only one byte')
self.__write(self.__append_xor(cmd))
self.__check_ack()
def __data_write(self, data: bytes) -> None:
self.__write(self.__append_xor(data))
self.__check_ack()
def __data_read(self) -> bytes:
length = self.__read(1)
if (len(length) != 1):
raise STM32BootloaderException('Did not receive length byte')
length = length[0]
data = self.__read(length + 1)
self.__check_ack()
return data
def __get_id(self) -> bytes:
self.__cmd_send(b'\x02')
return self.__data_read()
def __read_memory(self, address: int, length: int) -> bytes:
if (length == 0 or length > self.__MEMORY_RW_MAX_SIZE):
raise ValueError('Wrong data size for read memory command')
self.__cmd_send(b'\x11')
self.__data_write(address.to_bytes(4, byteorder='big'))
self.__data_write(bytes([length - 1]))
return self.__read(length)
def __go(self, address: int) -> None:
self.__cmd_send(b'\x21')
self.__data_write(address.to_bytes(4, byteorder='big'))
self.__connected = False
def __write_memory(self, address: int, data: bytes) -> None:
length = len(data)
if (length == 0 or length > self.__MEMORY_RW_MAX_SIZE):
raise ValueError('Wrong data size for write memory command')
if (((address % 4) != 0) or ((length % 4) != 0)):
raise ValueError('Write memory command requires 4 byte alignment')
self.__cmd_send(b'\x31')
self.__data_write(address.to_bytes(4, byteorder='big'))
self.__data_write(bytes([length - 1, *data]))
def __mass_erase(self) -> None:
self.__cmd_send(b'\x44')
self.__data_write(b'\xFF\xFF')
def __load_memory(self, address: int, data: bytes, description: str='') -> None:
length = len(data)
self.__progress(length, 0, description)
for offset in range(0, length, self.__MEMORY_RW_MAX_SIZE):
chunk = data[offset:offset + self.__MEMORY_RW_MAX_SIZE]
self.__write_memory(address + offset, chunk)
verify = self.__read_memory(address + offset, len(chunk))
if (chunk != verify):
raise STM32BootloaderException('Memory verify failed')
self.__progress(length, offset, description)
self.__progress(length, length, description)
def connect(self, id: int) -> None:
if (not self.__connected):
self.__write(self.__INIT)
self.__check_ack()
self.__connected = True
dev_id = self.__get_id()
if (dev_id != id):
raise STM32BootloaderException('Unknown chip detected')
def load_ram_and_run(self, data: bytes, description: str='') -> None:
if (len(data) > self.__RAM_MAX_LOAD_SIZE):
raise STM32BootloaderException('RAM image too big')
self.__load_memory(self.__RAM_LOAD_ADDRESS, data, description)
self.__go(self.__RAM_LOAD_ADDRESS)
def load_flash_and_run(self, data: bytes, description: str='') -> None:
if (len(data) > self.__FLASH_MAX_LOAD_SIZE):
raise STM32BootloaderException('Flash image too big')
self.__mass_erase()
try:
self.__load_memory(self.__FLASH_LOAD_ADDRESS, data, description)
self.__go(self.__FLASH_LOAD_ADDRESS)
except STM32BootloaderException as e:
self.__mass_erase()
raise STM32BootloaderException(e)
class LCMXO2PrimerException(Exception):
pass
class LCMXO2Primer:
__PRIMER_ID_LCMXO2 = b'MXO2'
__CMD_GET_PRIMER_ID = b'?'
__CMD_PROBE_FPGA = b'#'
__CMD_RESTART = b'$'
__CMD_GET_DEVICE_ID = b'I'
__CMD_ENABLE_FLASH = b'E'
__CMD_ERASE_FLASH = b'X'
__CMD_RESET_ADDRESS = b'A'
__CMD_WRITE_PAGE = b'W'
__CMD_READ_PAGE = b'R'
__CMD_PROGRAM_DONE = b'F'
__CMD_INIT_FEATBITS = b'Q'
__CMD_REFRESH = b'B'
__FLASH_PAGE_SIZE = 16
__FLASH_NUM_PAGES = 11260
__FPGA_PROBE_VALUE = b'\x64'
DEV_ID_LCMXO2_7000HC = b'\x01\x2B\xD0\x43'
def __init__(self, write: Callable[[bytes], None], read: Callable[[int], bytes], progress: Callable[[int, int, str], None]):
self.__write = write
self.__read = read
self.__progress = progress
def __cmd_execute(self, cmd: bytes, data: bytes=b'') -> bytes:
if (len(cmd) != 1):
raise ValueError('Command must contain only one byte')
if (len(data) >= 256):
raise ValueError('Data size too big')
packet = b'CMD' + cmd
packet += len(data).to_bytes(1, byteorder='little')
packet += data
packet += crc32(packet).to_bytes(4, byteorder='little')
self.__write(packet)
response = self.__read(5)
if (len(response) != 5):
raise LCMXO2PrimerException(f'No response received [{cmd}]')
length = int.from_bytes(response[4:5], byteorder='little')
response += self.__read(length)
calculated_checksum = crc32(response)
received_checksum = int.from_bytes(self.__read(4), byteorder='little')
if (response[0:3] != b'RSP'):
raise LCMXO2PrimerException(f'Invalid response token [{response[0:3]} / {cmd}]')
if (response[3:4] != cmd):
raise LCMXO2PrimerException(f'Invalid response command [{cmd} / {response[3]}]')
if (calculated_checksum != received_checksum):
raise LCMXO2PrimerException(f'Invalid response checksum [{cmd}]')
return response[5:]
def connect(self, id: bytes) -> None:
primer_id = self.__cmd_execute(self.__CMD_GET_PRIMER_ID)
if (primer_id != self.__PRIMER_ID_LCMXO2):
raise LCMXO2PrimerException('Invalid primer ID received')
dev_id = self.__cmd_execute(self.__CMD_GET_DEVICE_ID)
if (dev_id != id):
raise LCMXO2PrimerException('Invalid FPGA device id received')
def load_flash_and_run(self, data: bytes, description: str) -> None:
erase_description = f'{description} / Erase'
program_description = f'{description} / Program'
verify_description = f'{description} / Verify'
length = len(data)
if (length > (self.__FLASH_PAGE_SIZE * self.__FLASH_NUM_PAGES)):
raise LCMXO2PrimerException('FPGA data size too big')
if ((length % self.__FLASH_PAGE_SIZE) != 0):
raise LCMXO2PrimerException('FPGA data size not aligned to page size')
self.__cmd_execute(self.__CMD_ENABLE_FLASH)
self.__progress(length, 0, erase_description)
self.__cmd_execute(self.__CMD_ERASE_FLASH)
self.__progress(length, length, erase_description)
try:
self.__cmd_execute(self.__CMD_RESET_ADDRESS)
self.__progress(length, 0, program_description)
for offset in range(0, length, self.__FLASH_PAGE_SIZE):
page_data = data[offset:(offset + self.__FLASH_PAGE_SIZE)]
self.__cmd_execute(self.__CMD_WRITE_PAGE, page_data)
self.__progress(length, offset, program_description)
self.__progress(length, length, program_description)
self.__cmd_execute(self.__CMD_RESET_ADDRESS)
self.__progress(length, 0, verify_description)
for offset in range(0, length, self.__FLASH_PAGE_SIZE):
page_data = data[offset:(offset + self.__FLASH_PAGE_SIZE)]
verify_data = self.__cmd_execute(self.__CMD_READ_PAGE)
self.__progress(length, offset, verify_description)
if (page_data != verify_data):
raise LCMXO2PrimerException('FPGA verification error')
self.__progress(length, length, verify_description)
self.__cmd_execute(self.__CMD_INIT_FEATBITS)
self.__cmd_execute(self.__CMD_PROGRAM_DONE)
self.__cmd_execute(self.__CMD_REFRESH)
if (self.__cmd_execute(self.__CMD_PROBE_FPGA) != self.__FPGA_PROBE_VALUE):
raise LCMXO2PrimerException('Invalid FPGA ID value received')
except LCMXO2PrimerException as e:
self.__cmd_execute(self.__CMD_ENABLE_FLASH)
self.__cmd_execute(self.__CMD_ERASE_FLASH)
self.__cmd_execute(self.__CMD_REFRESH)
self.__cmd_execute(self.__CMD_RESTART)
raise LCMXO2PrimerException(e)
self.__cmd_execute(self.__CMD_RESTART)
class SC64Exception(Exception):
pass
class SC64:
__serial: Optional[serial.Serial] = None
__packets = queue.Queue()
class __UpdateStatus(IntEnum):
MCU = 1
FPGA = 2
BOOTLOADER = 3
DONE = 0x80
ERROR = 0xFF
def __init__(self) -> None:
SC64_VID = 0x0403
SC64_PID = 0x6014
SC64_SID = "SC64"
for p in list_ports.comports():
if (p.vid == SC64_VID and p.pid == SC64_PID and p.serial_number.startswith(SC64_SID)):
try:
self.__serial = serial.Serial(p.device, timeout=10.0, write_timeout=10.0)
except serial.SerialException:
if (self.__serial):
self.__serial.close()
continue
return
raise SC64Exception('No SC64 USB device found')
def __reset(self) -> None:
WAIT_DURATION = 0.01
RETRY_COUNT = 100
self.__serial.dtr = 1
for n in range(0, RETRY_COUNT + 1):
self.__serial.reset_input_buffer()
self.__serial.reset_output_buffer()
time.sleep(WAIT_DURATION)
if (self.__serial.dsr == 1):
break
if n == RETRY_COUNT:
raise SC64Exception('Couldn\'t reset SC64 device (on)')
self.__serial.dtr = 0
for n in range(0, RETRY_COUNT + 1):
time.sleep(WAIT_DURATION)
if (self.__serial.dsr == 0):
break
if n == RETRY_COUNT:
raise SC64Exception('Couldn\'t reset SC64 device (on)')
def __process_incoming_data(self, wait_for_response: bool) -> Optional[tuple[bytes, bytes]]:
while (wait_for_response or self.__serial.in_waiting >= 4):
buffer = self.__serial.read(4)
token = buffer[0:3]
id = buffer[3:4]
if (token == b'CMP'):
length = int.from_bytes(self.__serial.read(4), byteorder='big')
data = self.__serial.read(length)
return (id, data)
elif (token == b'PKT'):
length = int.from_bytes(self.__serial.read(4), byteorder='big')
data = self.__serial.read(length)
self.__packets.put((id, data))
if (not wait_for_response):
break
elif (token == b'ERR'):
raise SC64Exception('Command response error')
else:
raise SC64Exception('Invalid token received')
return None
def __execute_command(self, cmd: bytes, args: list[int]=[0, 0], data: bytes=b'') -> bytes:
if (len(cmd) != 1):
raise SC64Exception('Length of command is different than 1 byte')
if (len(args) != 2):
raise SC64Exception('Number of arguments is different than 2')
try:
self.__serial.write(b'CMD' + cmd)
self.__serial.write(args[0].to_bytes(4, byteorder='big'))
self.__serial.write(args[1].to_bytes(4, byteorder='big'))
if (len(data) > 0):
self.__serial.write(data)
self.__serial.flush()
(id, response) = self.__process_incoming_data(True)
if (cmd != id):
raise SC64Exception('Command response ID didn\'t match')
return response
except serial.SerialException as e:
raise SC64Exception(f'Serial exception: {e}')
def __receive_data_packet(self) -> Optional[tuple[bytes, bytes]]:
if (self.__packets.empty()):
try:
if (self.__process_incoming_data(False) != None):
raise SC64Exception('Unexpected command response')
except serial.SerialException as e:
raise SC64Exception(f'Serial exception: {e}')
if (not self.__packets.empty()):
packet = self.__packets.get()
self.__packets.task_done()
return packet
return None
def update_firmware(self, data: bytes) -> None:
FIRMWARE_ADDRESS = 0x00100000
FIRMWARE_UPDATE_TIMEOUT = 90.0
self.__reset()
self.__execute_command(b'R')
self.__execute_command(b'M', [FIRMWARE_ADDRESS, len(data)], data)
self.__execute_command(b'F', [FIRMWARE_ADDRESS, len(data)])
timeout = time.time() + FIRMWARE_UPDATE_TIMEOUT
while True:
if (time.time() > timeout):
raise SC64Exception('Firmware update timeout')
packet = self.__receive_data_packet()
if (packet == None):
time.sleep(0.001)
continue
(id, packet_data) = packet
if (id != b'F'):
raise SC64Exception('Unexpected packet id received')
status = self.__UpdateStatus(int.from_bytes(packet_data[0:4], byteorder='big'))
if (status == self.__UpdateStatus.ERROR):
raise SC64Exception('Firmware update error')
if (status == self.__UpdateStatus.DONE):
time.sleep(2)
break
class SC64BringUp:
__SERIAL_BAUD: int = 115200
__SERIAL_TIMEOUT: float = 6.0
__INTERVAL_TIME: float = 0.5
def __init__(self, progress: Callable[[int, int, str], None]) -> None:
self.__progress = progress
def load_update_data(self, path: str) -> None:
self.__sc64_update_data = SC64UpdateData()
self.__sc64_update_data.load(path, require_all=True)
self.__bootloader_only_firmware = self.__sc64_update_data.create_bootloader_only_firmware()
def get_update_info(self) -> str:
return self.__sc64_update_data.get_update_info()
def start_bring_up(self, port: str, bootloader_only: bool=False) -> None:
link = None
sc64 = SC64()
try:
if (not bootloader_only):
link = serial.Serial(
port,
baudrate=self.__SERIAL_BAUD,
parity=serial.PARITY_EVEN,
timeout=self.__SERIAL_TIMEOUT,
write_timeout=self.__SERIAL_TIMEOUT
)
stm32_bootloader = STM32Bootloader(link.write, link.read, self.__progress)
lcmxo2_primer = LCMXO2Primer(link.write, link.read, self.__progress)
stm32_bootloader.connect(stm32_bootloader.DEV_ID_STM32G030XX)
stm32_bootloader.load_ram_and_run(self.__sc64_update_data.get_primer_data(), 'FPGA primer -> STM32 RAM')
time.sleep(self.__INTERVAL_TIME)
link.read_all()
lcmxo2_primer.connect(lcmxo2_primer.DEV_ID_LCMXO2_7000HC)
lcmxo2_primer.load_flash_and_run(self.__sc64_update_data.get_fpga_data(), 'FPGA configuration -> LCMXO2 FLASH')
time.sleep(self.__INTERVAL_TIME)
link.read_all()
stm32_bootloader.connect(stm32_bootloader.DEV_ID_STM32G030XX)
stm32_bootloader.load_flash_and_run(self.__sc64_update_data.get_mcu_data(), 'MCU software -> STM32 FLASH')
time.sleep(self.__INTERVAL_TIME)
link.read_all()
bootloader_description = 'Bootloader -> SC64 FLASH (no progress reporting)'
bootloader_length = len(self.__bootloader_only_firmware)
self.__progress(bootloader_length, 0, bootloader_description)
sc64.update_firmware(self.__bootloader_only_firmware)
self.__progress(bootloader_length, bootloader_length, bootloader_description)
finally:
if (link and link.is_open):
link.close()
if __name__ == '__main__':
nargs = len(sys.argv)
if (nargs < 3 or nargs > 4):
Utils.die(f'Usage: {sys.argv[0]} serial_port update_file [--bootloader-only]')
port = sys.argv[1]
update_data_path = sys.argv[2]
bootloader_only = False
if (nargs == 4):
if (sys.argv[3] == '--bootloader-only'):
bootloader_only = True
else:
Utils.die(f'Unknown argument: {sys.argv[3]}')
utils = Utils()
sc64_bring_up = SC64BringUp(progress=utils.progress)
Utils.log()
Utils.info('[ Welcome to SC64 flashcart board bring-up! ]')
Utils.log()
Utils.log(f'Serial port: {port}')
Utils.log(f'Update data path: {os.path.abspath(update_data_path)}')
try:
sc64_bring_up.load_update_data(update_data_path)
except SC64UpdateDataException as e:
Utils.die(f'Provided \'{update_data_path}\' file is invalid: {e}')
Utils.log('Update info: ')
Utils.log(sc64_bring_up.get_update_info())
Utils.log()
if bootloader_only:
Utils.log('Running in "bootloader only" mode')
Utils.log()
Utils.warning('[ CAUTION ]')
Utils.warning('Configure FTDI chip with provided ft232h_config.xml before continuing')
Utils.warning('Connect SC64 USB port to the same computer you\'re running this script')
Utils.warning('Make sure SC64 USB port is recognized in system before continuing')
Utils.log()
Utils.warning('[ IMPORTANT ]')
Utils.warning('Unplug SC64 board from power and reconnect it before proceeding')
Utils.log()
try:
if (input('Type YES to continue: ') != 'YES'):
Utils.die('No confirmation received. Exiting')
Utils.log()
except KeyboardInterrupt:
Utils.log()
Utils.die('Aborted')
original_sigint_handler = signal.getsignal(signal.SIGINT)
try:
signal.signal(signal.SIGINT, lambda *kwargs: utils.exit_warning())
sc64_bring_up.start_bring_up(port, bootloader_only)
except (serial.SerialException, STM32BootloaderException, LCMXO2PrimerException, SC64Exception) as e:
if (utils.get_progress_active):
Utils.log()
Utils.die(f'Error while running bring-up: {e}')
finally:
signal.signal(signal.SIGINT, original_sigint_handler)
Utils.log()
Utils.info('[ SC64 flashcart board bring-up finished successfully! ]')
Utils.log()