def program_config_flash(device, args):
""" Command that programs a given bitstream into the device's configuration flash. """
ensure_flash_gateware_loaded(device, log_function=logging.info)
with open(args.argument, "rb") as f:
bitstream = f.read()
with device.flash as flash:
flash.program(bitstream, logging.info)
def toolchain_erase(self):
""" Erases the LUNA board's flash. """
from luna.apollo import ApolloDebugger
from luna.apollo.flash import ensure_flash_gateware_loaded
# Create our connection to the debug module.
debugger = ApolloDebugger()
ensure_flash_gateware_loaded(debugger, platform=self.__class__())
with debugger.flash as flash:
flash.erase()
debugger.soft_reset()
def read_out_config_flash(device, args):
""" Command that programs a given bitstream into the device's configuration flash. """
ensure_flash_gateware_loaded(device, log_function=logging.info)
# For now, always read back a ECP5-12F.
read_back_length = 582376
read_back_length = 512
with device.flash as flash:
bitstream = flash.readback(read_back_length, log_function=logging.info)
with open(args.argument, "wb") as f:
f.write(bitstream)
def print_flash_info(device, args):
""" Command that prints information about the connected SPI flash. """
ensure_flash_gateware_loaded(device, log_function=logging.info)
with device.flash as flash:
flash_id, description = flash.read_flash_info()
if flash_id is None:
logging.error("No connected flash detected.\n")
sys.exit(-1)
else:
logging.info("Detected a configuration flash!")
logging.info(" {:04x} -- {}".format(flash_id, description))
logging.info()
def toolchain_flash(self, products, name="top"):
""" Programs the LUNA board's flash via its sideband connection. """
from luna.apollo import ApolloDebugger
from luna.apollo.flash import ensure_flash_gateware_loaded
# Create our connection to the debug module.
debugger = ApolloDebugger()
ensure_flash_gateware_loaded(debugger, platform=self.__class__())
# Grab our generated bitstream, and upload it to the .
bitstream = products.get("{}.bit".format(name))
with debugger.flash as flash:
flash.program(bitstream)
debugger.soft_reset()
def erase_config_flash(device, args):
""" Command that erases the connected configuration flash. """
ensure_flash_gateware_loaded(device, log_function=logging.info)
with device.flash as flash:
flash.erase()
