def test_MT8KTF51264(self):
kwargs = dict(clk_freq=100e6, rate="1:4")
module_ref = litedram.modules.MT8KTF51264(**kwargs)
with self.subTest(speedgrade="-1G4"):
data = load_spd_reference("MT8KTF51264HZ-1G4E1.csv")
module = SDRAMModule.from_spd_data(data, kwargs["clk_freq"])
self.compare_modules(module, module_ref)
sgt = module.speedgrade_timings["1333"]
self.assertEqual(sgt.tRP, 13.125)
self.assertEqual(sgt.tRCD, 13.125)
self.assertEqual(sgt.tRP + sgt.tRAS, 49.125)
with self.subTest(speedgrade="-1G6"):
data = load_spd_reference("MT8KTF51264HZ-1G6E1.csv")
module = SDRAMModule.from_spd_data(data, kwargs["clk_freq"])
self.compare_modules(module, module_ref)
sgt = module.speedgrade_timings["1600"]
self.assertEqual(sgt.tRP, 13.125)
self.assertEqual(sgt.tRCD, 13.125)
self.assertEqual(sgt.tRP + sgt.tRAS, 48.125)
with self.subTest(speedgrade="-1G9"):
data = load_spd_reference("MT8KTF51264HZ-1G9P1.csv")
module = SDRAMModule.from_spd_data(data, kwargs["clk_freq"])
# tRRD different for this timing
self.compare_modules(module, module_ref, omit={"tRRD"})
self.assertEqual(module.technology_timings.tRRD, (4, 5))
sgt = module.speedgrade_timings["1866"]
self.assertEqual(sgt.tRP, 13.125)
self.assertEqual(sgt.tRCD, 13.125)
self.assertEqual(sgt.tRP + sgt.tRAS, 47.125)
def show_module(spd_data, clk_freq):
module = SDRAMModule.from_spd_data(spd_data, clk_freq=clk_freq)
dump_object(module)
dump_object(module.__class__, header=False)
dump_object(module.technology_timings)
dump_object(module.speedgrade_timings['default'])
dump_object(module.geom_settings)
dump_object(module.timing_settings)
def test_MTA4ATF51264HZ_parsing(self):
kwargs = dict(clk_freq=100e6, rate="1:4")
with self.subTest(speedgrade="-2G3"):
data = load_spd_reference("MTA4ATF51264HZ-2G3B1.csv")
module = SDRAMModule.from_spd_data(data, kwargs["clk_freq"])
sgt = module.speedgrade_timings["2400"]
self.assertEqual(sgt.tRP, 13.75)
self.assertEqual(sgt.tRCD, 13.75)
self.assertEqual(sgt.tRP + sgt.tRAS, 45.75)
with self.subTest(speedgrade="-3G2"):
data = load_spd_reference("MTA4ATF51264HZ-3G2E1.csv")
module = SDRAMModule.from_spd_data(data, kwargs["clk_freq"])
sgt = module.speedgrade_timings["3200"]
self.assertEqual(sgt.tRP, 13.75)
self.assertEqual(sgt.tRCD, 13.75)
self.assertEqual(sgt.tRP + sgt.tRAS, 45.75)
def test_MT8JTF12864(self):
kwargs = dict(clk_freq=125e6, rate="1:4")
module_ref = litedram.modules.MT8JTF12864(**kwargs)
data = load_spd_reference("MT8JTF12864AZ-1G4G1.csv")
module = SDRAMModule.from_spd_data(data, kwargs["clk_freq"])
self.compare_modules(module, module_ref)
sgt = module.speedgrade_timings["1333"]
self.assertEqual(sgt.tRP, 13.125)
self.assertEqual(sgt.tRCD, 13.125)
self.assertEqual(sgt.tRP + sgt.tRAS, 49.125)
def test_MT18KSF1G72HZ(self):
kwargs = dict(clk_freq=125e6, rate="1:4")
module_ref = litedram.modules.MT18KSF1G72HZ(**kwargs)
with self.subTest(speedgrade="-1G6"):
data = load_spd_reference("MT18KSF1G72HZ-1G6E2.csv")
module = SDRAMModule.from_spd_data(data, kwargs["clk_freq"])
self.compare_modules(module, module_ref)
sgt = module.speedgrade_timings["1600"]
self.assertEqual(sgt.tRP, 13.125)
self.assertEqual(sgt.tRCD, 13.125)
self.assertEqual(sgt.tRP + sgt.tRAS, 48.125)
with self.subTest(speedgrade="-1G4"):
data = load_spd_reference("MT18KSF1G72HZ-1G4E2.csv")
module = SDRAMModule.from_spd_data(data, kwargs["clk_freq"])
self.compare_modules(module, module_ref)
sgt = module.speedgrade_timings["1333"]
self.assertEqual(sgt.tRP, 13.125)
self.assertEqual(sgt.tRCD, 13.125)
self.assertEqual(sgt.tRP + sgt.tRAS, 49.125)
def __init__(self,
sys_clk_freq=int(125e6),
with_ethernet=False,
with_etherbone=False,
with_rts_reset=False,
with_led_chaser=True,
spd_dump=None,
**kwargs):
platform = berkeleylab_marble.Platform()
# SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(self,
platform,
sys_clk_freq,
ident="LiteX SoC on Berkeley-Lab Marble",
**kwargs)
# CRG, resettable over USB serial RTS signal -----------------------------------------------
resets = []
if with_rts_reset:
ser_pads = platform.lookup_request('serial')
resets.append(ser_pads.rts)
self.submodules.crg = _CRG(platform, sys_clk_freq, resets)
# DDR3 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.ddrphy = s7ddrphy.K7DDRPHY(
platform.request("ddram"),
memtype="DDR3",
nphases=4,
sys_clk_freq=sys_clk_freq)
if spd_dump is not None:
ram_spd = parse_spd_hexdump(spd_dump)
ram_module = SDRAMModule.from_spd_data(ram_spd, sys_clk_freq)
print('DDR3: loaded config from', spd_dump)
else:
ram_module = MT8JTF12864(sys_clk_freq,
"1:4") # KC705 chip, 1 GB
print(
'DDR3: No spd data specified, falling back to MT8JTF12864')
self.add_sdram(
"sdram",
phy=self.ddrphy,
module=ram_module,
# size=0x40000000, # Limit its size to 1 GB
l2_cache_size=kwargs.get("l2_size", 8192),
with_bist=kwargs.get("with_bist", False))
# Ethernet ---------------------------------------------------------------------------------
if with_ethernet or with_etherbone:
self.submodules.ethphy = LiteEthPHYRGMII(
clock_pads=self.platform.request("eth_clocks"),
pads=self.platform.request("eth"),
tx_delay=0)
if with_ethernet:
self.add_ethernet(phy=self.ethphy,
dynamic_ip=True,
software_debug=False)
if with_etherbone:
self.add_etherbone(phy=self.ethphy, buffer_depth=255)
# System I2C (behing multiplexer) ----------------------------------------------------------
i2c_pads = platform.request('i2c_fpga')
self.submodules.i2c = I2CMaster(i2c_pads)
# Leds -------------------------------------------------------------------------------------
if with_led_chaser:
self.submodules.leds = LedChaser(
pads=platform.request_all("user_led"),
sys_clk_freq=sys_clk_freq)
def __init__(self,
*,
args,
sys_clk_freq,
sdram_module_cls,
sdram_module_speedgrade=None,
sdram_module_spd_file=None,
ip_address="192.168.100.50",
mac_address=0x10e2d5000001,
udp_port=1234,
**kwargs):
self.args = args
self.sys_clk_freq = sys_clk_freq
self.ip_address = ip_address
self.mac_address = mac_address
self.udp_port = udp_port
# Platform ---------------------------------------------------------------------------------
if not args.sim:
self.platform = self.get_platform()
else:
self.platform = SimPlatform()
githash = git.Repo(
'.', search_parent_directories=True).git.rev_parse("HEAD")
# SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(
self,
self.platform,
sys_clk_freq,
ident="LiteX Row Hammer Tester SoC on {}, git: {}".format(
self.platform.device, githash),
ident_version=True,
integrated_rom_mode='rw' if args.rw_bios_mem else 'r',
**kwargs)
# CRG --------------------------------------------------------------------------------------
if not args.sim:
self.submodules.crg = self.get_crg()
else:
self.submodules.crg = CRG(self.platform.request('sys_clk'))
# Add dynamic simulation trace control, start enabled
self.platform.add_debug(self, reset=1)
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(
pads=self.platform.request_all("user_led"),
sys_clk_freq=sys_clk_freq)
self.add_csr("leds")
# SDRAM PHY --------------------------------------------------------------------------------
if sdram_module_spd_file is not None:
self.logger.info('Using DRAM module {} data: {}'.format(
colorer('SPD'), sdram_module_spd_file))
with open(sdram_module_spd_file, 'rb') as f:
spd_data = f.read()
module = SDRAMModule.from_spd_data(spd_data, self.sys_clk_freq)
else:
ratio = self.get_sdram_ratio()
self.logger.info('Using DRAM module {} ratio {}'.format(
colorer(sdram_module_cls.__name__), colorer(ratio)))
module = sdram_module_cls(self.sys_clk_freq,
ratio,
speedgrade=sdram_module_speedgrade)
if args.sim:
# Use the hardware platform to retrieve values for simulation
hw_pads = self.get_platform().request('ddram')
core_config = dict(
sdram_module_nb=len(hw_pads.dq) // 8, # number of byte groups
sdram_rank_nb=len(hw_pads.cs_n), # number of ranks
sdram_module=module,
memtype=module.memtype,
)
# Add IO pins
self.platform.add_extension(get_dram_ios(core_config))
phy_settings = get_sdram_phy_settings(
memtype=module.memtype,
data_width=core_config["sdram_module_nb"] * 8,
clk_freq=sys_clk_freq)
self.submodules.ddrphy = SDRAMPHYModel(
module=module,
settings=phy_settings,
clk_freq=sys_clk_freq,
verbosity=3,
)
else: # hardware
self.submodules.ddrphy = self.get_ddrphy()
self.add_csr("ddrphy")
# SDRAM Controller--------------------------------------------------------------------------
class ControllerDynamicSettings(Module, AutoCSR, AutoDoc, ModuleDoc):
"""Allows to change LiteDRAMController behaviour at runtime"""
def __init__(self):
self.refresh = CSRStorage(
reset=1,
description="Enable/disable Refresh commands sending")
self.submodules.controller_settings = ControllerDynamicSettings()
self.add_csr("controller_settings")
controller_settings = ControllerSettings()
controller_settings.with_auto_precharge = True
controller_settings.with_refresh = self.controller_settings.refresh.storage
controller_settings.refresh_cls = SyncableRefresher
assert self.ddrphy.settings.memtype == module.memtype, \
'Wrong DRAM module type: {} vs {}'.format(self.ddrphy.settings.memtype, module.memtype)
self.add_sdram("sdram",
phy=self.ddrphy,
module=module,
origin=self.mem_map["main_ram"],
size=kwargs.get("max_sdram_size", 0x40000000),
l2_cache_size=0,
controller_settings=controller_settings)
# CPU will report that leveling finished by writing to ddrctrl CSRs
self.submodules.ddrctrl = LiteDRAMCoreControl()
self.add_csr("ddrctrl")
# Ethernet / Etherbone ---------------------------------------------------------------------
if not args.sim:
self.add_host_bridge()
else: # simulation
self.submodules.ethphy = LiteEthPHYModel(
self.platform.request("eth"))
self.add_csr("ethphy")
# Ethernet Core
ethcore = LiteEthUDPIPCore(self.ethphy,
ip_address=self.ip_address,
mac_address=self.mac_address,
clk_freq=self.sys_clk_freq)
self.submodules.ethcore = ethcore
# Etherbone
self.submodules.etherbone = LiteEthEtherbone(self.ethcore.udp,
self.udp_port,
mode="master")
self.add_wb_master(self.etherbone.wishbone.bus)
# Rowhammer --------------------------------------------------------------------------------
self.submodules.rowhammer_dma = LiteDRAMDMAReader(
self.sdram.crossbar.get_port())
self.submodules.rowhammer = RowHammerDMA(self.rowhammer_dma)
self.add_csr("rowhammer")
# Bist -------------------------------------------------------------------------------------
if not args.no_memory_bist:
pattern_data_size = int(args.pattern_data_size, 0)
phy_settings = self.sdram.controller.settings.phy
pattern_data_width = phy_settings.dfi_databits * phy_settings.nphases
pattern_length = pattern_data_size // (pattern_data_width // 8)
assert pattern_data_size % (pattern_data_width//8) == 0, \
'Pattern data memory size must be multiple of {} bytes'.format(pattern_data_width//8)
self.submodules.pattern_mem = PatternMemory(
data_width=pattern_data_width, mem_depth=pattern_length)
self.add_memory(self.pattern_mem.data,
name='pattern_data',
origin=0x20000000)
self.add_memory(self.pattern_mem.addr,
name='pattern_addr',
origin=0x21000000)
self.logger.info(
'{}: Length: {}, Data Width: {}-bit, Address width: {}-bit'.
format(colorer('BIST pattern'), colorer(pattern_length),
colorer(pattern_data_width), colorer(32)))
assert controller_settings.address_mapping == 'ROW_BANK_COL'
row_offset = controller_settings.geom.bankbits + controller_settings.geom.colbits
inversion_kwargs = dict(
rowbits=int(self.args.bist_inversion_rowbits, 0),
row_shift=row_offset -
self.sdram.controller.interface.address_align,
)
# Writer
dram_wr_port = self.sdram.crossbar.get_port()
self.submodules.writer = Writer(dram_wr_port, self.pattern_mem,
**inversion_kwargs)
self.writer.add_csrs()
self.add_csr('writer')
# Reader
dram_rd_port = self.sdram.crossbar.get_port()
self.submodules.reader = Reader(dram_rd_port, self.pattern_mem,
**inversion_kwargs)
self.reader.add_csrs()
self.add_csr('reader')
assert pattern_data_width == dram_wr_port.data_width
assert pattern_data_width == dram_rd_port.data_width
# Payload executor -------------------------------------------------------------------------
if not args.no_payload_executor:
# TODO: disconnect bus during payload execution
phy_settings = self.sdram.controller.settings.phy
scratchpad_width = phy_settings.dfi_databits * phy_settings.nphases
payload_size = int(args.payload_size, 0)
scratchpad_size = int(args.scratchpad_size, 0)
assert payload_size % 4 == 0, 'Payload memory size must be multiple of 4 bytes'
assert scratchpad_size % (scratchpad_width//8) == 0, \
'Scratchpad memory size must be multiple of {} bytes'.format(scratchpad_width//8)
scratchpad_depth = scratchpad_size // (scratchpad_width // 8)
payload_mem = Memory(32, payload_size // 4)
scratchpad_mem = Memory(scratchpad_width, scratchpad_depth)
self.specials += payload_mem, scratchpad_mem
self.add_memory(payload_mem, name='payload', origin=0x30000000)
self.add_memory(scratchpad_mem,
name='scratchpad',
origin=0x31000000,
mode='r')
self.logger.info('{}: Length: {}, Data Width: {}-bit'.format(
colorer('Instruction payload'), colorer(payload_size // 4),
colorer(32)))
self.logger.info('{}: Length: {}, Data Width: {}-bit'.format(
colorer('Scratchpad memory'), colorer(scratchpad_depth),
colorer(scratchpad_width)))
self.submodules.dfi_switch = DFISwitch(
with_refresh=self.sdram.controller.settings.with_refresh,
dfii=self.sdram.dfii,
refresher_reset=self.sdram.controller.refresher.reset,
)
self.dfi_switch.add_csrs()
self.add_csr('dfi_switch')
self.submodules.payload_executor = PayloadExecutor(
mem_payload=payload_mem,
mem_scratchpad=scratchpad_mem,
dfi_switch=self.dfi_switch,
nranks=self.sdram.controller.settings.phy.nranks,
bankbits=self.sdram.controller.settings.geom.bankbits,
rowbits=self.sdram.controller.settings.geom.rowbits,
colbits=self.sdram.controller.settings.geom.colbits,
rdphase=self.sdram.controller.settings.phy.rdphase,
)
self.payload_executor.add_csrs()
self.add_csr('payload_executor')
def test_spd_data(self):
# Verify that correct _spd_data is added to SDRAMModule
data = load_spd_reference("MT16KTF1G64HZ-1G6P1.csv")
module = SDRAMModule.from_spd_data(data, 125e6)
self.assertEqual(module._spd_data, data)
print('{:3} s'.format(args.mem_timeout - i - 1), end=' \r', flush=True)
# print('.', end='', flush=True)
if wb.regs.ddrctrl_init_done.read():
print('Ready ', end=' \r', flush=True)
break
print()
time.sleep(2)
wb.close()
output = read_spd(console, spd_addr, init_commands)
spd_data = list(parse_hexdump(output))
with open(args.output_file, 'wb') as f:
f.write(bytes(spd_data))
print('SPD saved to file: {}'.format(args.output_file))
elif args.cmd == 'show':
with open(args.input_file, 'rb') as f:
spd_data = f.read()
clk_freq = float(args.clk_freq)
module = SDRAMModule.from_spd_data(spd_data, clk_freq=clk_freq)
dump_object(module)
dump_object(module.__class__, header=False)
dump_object(module.technology_timings)
dump_object(module.speedgrade_timings['default'])
dump_object(module.geom_settings)
dump_object(module.timing_settings)
else:
parser.print_usage()
