def __init__(self, sys_clk_freq=int(75e6), device="LFE5UM5G", with_ethernet=False, with_etherbone=False, eth_ip="192.168.1.50", eth_phy=0, toolchain="trellis", **kwargs):
platform = versa_ecp5.Platform(toolchain=toolchain, device=device)
# FIXME: adapt integrated rom size for Microwatt
if kwargs.get("cpu_type", None) == "microwatt":
kwargs["integrated_rom_size"] = 0xb000 if with_ethernet else 0x9000
# SoCCore -----------------------------------------_----------------------------------------
SoCCore.__init__(self, platform, sys_clk_freq,
ident = "LiteX SoC on Versa ECP5",
ident_version = True,
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
# DDR3 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.ddrphy = ECP5DDRPHY(
platform.request("ddram"),
sys_clk_freq=sys_clk_freq)
self.add_csr("ddrphy")
self.comb += self.crg.stop.eq(self.ddrphy.init.stop)
self.comb += self.crg.reset.eq(self.ddrphy.init.reset)
self.add_sdram("sdram",
phy = self.ddrphy,
module = MT41K64M16(sys_clk_freq, "1:2"),
origin = self.mem_map["main_ram"],
size = kwargs.get("max_sdram_size", 0x40000000),
l2_cache_size = kwargs.get("l2_size", 8192),
l2_cache_min_data_width = kwargs.get("min_l2_data_width", 128),
l2_cache_reverse = True
)
# Ethernet / Etherbone ---------------------------------------------------------------------
if with_ethernet or with_etherbone:
self.submodules.ethphy = LiteEthPHYRGMII(
clock_pads = self.platform.request("eth_clocks", eth_phy),
pads = self.platform.request("eth", eth_phy))
self.add_csr("ethphy")
if with_ethernet:
self.add_ethernet(phy=self.ethphy)
if with_etherbone:
self.add_etherbone(phy=self.ethphy, ip_address=eth_ip)
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(
pads = platform.request_all("user_led"),
sys_clk_freq = sys_clk_freq)
self.add_csr("leds")
def __init__(self,
sys_clk_freq=int(75e6),
device="LFE5UM5G-45F-8BG381C",
with_ethernet=False,
toolchain="trellis",
**kwargs):
platform = versa_ecp5.Platform(toolchain=toolchain, device=device)
# Fix ROM size for Microwatt
if with_ethernet:
kwargs["integrated_rom_size"] = 0xb000
else:
kwargs["integrated_rom_size"] = 0x9000
# SoCCore -----------------------------------------_----------------------------------------
SoCCore.__init__(self, platform, clk_freq=sys_clk_freq, **kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
# DDR3 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.ddrphy = ECP5DDRPHY(platform.request("ddram"),
sys_clk_freq=sys_clk_freq)
self.add_csr("ddrphy")
self.comb += self.crg.stop.eq(self.ddrphy.init.stop)
self.add_sdram("sdram",
phy=self.ddrphy,
module=MT41K64M16(sys_clk_freq, "1:2"),
origin=self.mem_map["main_ram"],
size=kwargs.get("max_sdram_size", 0x40000000),
l2_cache_size=kwargs.get("l2_size", 8192),
l2_cache_min_data_width=kwargs.get(
"min_l2_data_width", 128),
l2_cache_reverse=True)
# Ethernet ---------------------------------------------------------------------------------
if with_ethernet:
self.submodules.ethphy = LiteEthPHYRGMII(
clock_pads=self.platform.request("eth_clocks"),
pads=self.platform.request("eth"))
self.add_csr("ethphy")
self.add_ethernet(phy=self.ethphy)
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(
pads=Cat(*[platform.request("user_led", i) for i in range(8)]),
sys_clk_freq=sys_clk_freq)
self.add_csr("leds")
def __init__(self, sys_clk_freq=int(75e6), toolchain="diamond", **kwargs):
platform = versa_ecp5.Platform(toolchain=toolchain)
# SoCSDRAM ---------------------------------------------------------------------------------
SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq, **kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
# DDR3 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.ddrphy = ECP5DDRPHY(platform.request("ddram"),
sys_clk_freq=sys_clk_freq)
self.add_csr("ddrphy")
self.add_constant("ECP5DDRPHY", None)
self.comb += self.crg.stop.eq(self.ddrphy.init.stop)
sdram_module = MT41K64M16(sys_clk_freq, "1:2")
self.register_sdram(self.ddrphy,
geom_settings=sdram_module.geom_settings,
timing_settings=sdram_module.timing_settings)
def __init__(self, sys_clk_freq=int(75e6), toolchain="diamond", **kwargs):
platform = versa_ecp5.Platform(toolchain=toolchain)
SoCSDRAM.__init__(self,
platform,
clk_freq=sys_clk_freq,
integrated_rom_size=0x8000,
**kwargs)
# crg
crg = _CRG(platform, sys_clk_freq)
self.submodules.crg = crg
# sdram
self.submodules.ddrphy = ECP5DDRPHY(platform.request("ddram"),
sys_clk_freq=sys_clk_freq)
self.add_csr("ddrphy")
self.add_constant("ECP5DDRPHY", None)
self.comb += crg.stop.eq(self.ddrphy.init.stop)
sdram_module = MT41K64M16(sys_clk_freq, "1:2")
self.register_sdram(self.ddrphy, sdram_module.geom_settings,
sdram_module.timing_settings)
def __init__(self,
sys_clk_freq=int(75e6),
with_ethernet=False,
toolchain="trellis",
**kwargs):
platform = versa_ecp5.Platform(toolchain=toolchain)
# SoCCore -----------------------------------------_----------------------------------------
SoCCore.__init__(self, platform, clk_freq=sys_clk_freq, **kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
# DDR3 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.ddrphy = ECP5DDRPHY(platform.request("ddram"),
sys_clk_freq=sys_clk_freq)
self.add_csr("ddrphy")
self.comb += self.crg.stop.eq(self.ddrphy.init.stop)
self.add_sdram("sdram",
phy=self.ddrphy,
module=MT41K64M16(sys_clk_freq, "1:2"),
origin=self.mem_map["main_ram"],
size=kwargs.get("max_sdram_size", 0x40000000),
l2_cache_size=kwargs.get("l2_size", 8192),
l2_cache_min_data_width=kwargs.get(
"min_l2_data_width", 128),
l2_cache_reverse=True)
# Ethernet ---------------------------------------------------------------------------------
if with_ethernet:
self.submodules.ethphy = LiteEthPHYRGMII(
clock_pads=self.platform.request("eth_clocks"),
pads=self.platform.request("eth"))
self.add_csr("ethphy")
self.add_ethernet(phy=self.ethphy)
def __init__(self,
sys_clk_freq=int(75e6),
toolchain="diamond",
integrated_rom_size=0x8000,
**kwargs):
platform = versa_ecp5.Platform(toolchain=toolchain)
# SoCSDRAM ---------------------------------------------------------------------------------
SoCSDRAM.__init__(self,
platform,
clk_freq=sys_clk_freq,
integrated_rom_size=integrated_rom_size,
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
# https://github.com/enjoy-digital/litex/issues/234
# https://github.com/enjoy-digital/litex/blob/master/litex/soc/cores/gpio.py
# /repos/litex/litex-boards/litex_boards/official/platforms/versa_ecp5.py
self.add_csr("gpio_leds")
self.submodules.gpio_leds = GPIOOut(
Cat([platform.request("user_led", i) for i in range(8)]))
# add spi master, from ~/repos/litex/litex/litex/soc/cores
self.add_csr("spi_test")
spi_test = SPIMaster(platform.request("spi_test", 1), 8, sys_clk_freq,
int(sys_clk_freq / 5))
self.submodules.spi_test = spi_test
self.add_csr("dac_test")
dac_test = DAC7563Core(platform.request("dac_test", 1))
self.submodules.dac_test = dac_test
# https://github.com/timvideos/litex-buildenv/wiki/LiteX-for-Hardware-Engineers litescope bridge
# added io to platform, serial_wb
self.submodules.bridge = UARTWishboneBridge(platform.request(
"serial_wb", 1),
sys_clk_freq,
baudrate=115200)
self.add_wb_master(self.bridge.wishbone)
# DDR3 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
print("creating DDR3 SDRAM")
self.submodules.ddrphy = ECP5DDRPHY(platform.request("ddram"),
sys_clk_freq=sys_clk_freq)
self.add_csr("ddrphy")
self.add_constant("ECP5DDRPHY", None)
self.comb += self.crg.stop.eq(self.ddrphy.init.stop)
sdram_module = MT41K64M16(sys_clk_freq, "1:2")
self.register_sdram(self.ddrphy,
geom_settings=sdram_module.geom_settings,
timing_settings=sdram_module.timing_settings)
self.add_csr("memory_test")
memory_test = MemtestCore(self.sdram.crossbar.get_port())
self.submodules.memory_test = memory_test
self.add_csr("adc_test")
adc_test = AD7984Core(self.sdram.crossbar.get_port(),
platform.request("adc_test", 1))
self.submodules.adc_test = adc_test
# litescope, track spi
self.add_csr("analyzer")
analyzer_signals = [
dac_test.dac.dac_load,
dac_test._load.fields.load,
dac_test.dac.load,
dac_test.dac.dac_cs,
dac_test.dac.dac_sck,
dac_test.dac.dac_sdi,
dac_test.dac.dac_ready,
dac_test.dac.state,
]
analyzer_depth = 256 # samples
analyzer_clock_domain = "sys"
self.submodules.analyzer = LiteScopeAnalyzer(
analyzer_signals,
analyzer_depth,
clock_domain=analyzer_clock_domain)