def finalize(self, fragment, *args, **kwargs):
if self.finalized:
raise ConstraintError("Already finalized")
# if none exists, create a default clock domain and drive it
if not fragment.clock_domains:
if not hasattr(self, "default_clk_name"):
raise NotImplementedError(
"No default clock and no clock domain defined")
crg = CRG(self.request(self.default_clk_name))
fragment += crg.get_fragment()
self.do_finalize(fragment, *args, **kwargs)
self.finalized = True
def finalize(self, fragment, *args, **kwargs):
if self.finalized:
raise ConstraintError("Already finalized")
# if none exists, create a default clock domain and drive it
if not fragment.clock_domains:
if not hasattr(self, "default_clk_name"):
raise NotImplementedError(
"No default clock and no clock domain defined")
crg = CRG(self.request(self.default_clk_name))
fragment += crg.get_fragment()
self.do_finalize(fragment, *args, **kwargs)
self.finalized = True
def __init__(self, platform):
clk_freq = int((1 / (platform.default_clk_period)) * 1000000000)
SoCCore.__init__(self,
platform,
clk_freq,
cpu_type=None,
csr_data_width=32,
with_uart=False,
ident="LiteUSB example design",
with_timer=False)
self.submodules.crg = CRG(platform.request(platform.default_clk_name))
self.submodules.usb_phy = FT245PHY(platform.request("usb_fifo"),
self.clk_freq)
self.submodules.usb_core = LiteUSBCore(self.usb_phy,
self.clk_freq,
with_crc=False)
# Wishbone Bridge
usb_bridge_port = self.usb_core.crossbar.get_port(
self.usb_map["bridge"])
self.add_cpu_or_bridge(
LiteUSBWishboneBridge(usb_bridge_port, self.clk_freq))
self.add_wb_master(self.cpu_or_bridge.wishbone)
# Leds
leds = Cat(iter([platform.request("user_led", i) for i in range(8)]))
self.submodules.leds = GPIOOut(leds)
def __init__(self, **kwargs):
platform = sim.Platform()
SoCSDRAM.__init__(self,
platform,
clk_freq=int((1 / (platform.default_clk_period)) *
1000000000),
integrated_rom_size=0x8000,
with_uart=False,
**kwargs)
self.submodules.crg = CRG(platform.request(platform.default_clk_name))
self.submodules.uart_phy = uart.RS232PHYModel(
platform.request("serial"))
self.submodules.uart = uart.UART(self.uart_phy)
if not self.integrated_main_ram_size:
sdram_module = IS42S16160(self.clk_freq, "1:1")
phy_settings = PhySettings(memtype="SDR",
dfi_databits=1 * 16,
nphases=1,
rdphase=0,
wrphase=0,
rdcmdphase=0,
wrcmdphase=0,
cl=2,
read_latency=4,
write_latency=0)
self.submodules.sdrphy = SDRAMPHYModel(sdram_module, phy_settings)
self.register_sdram(self.sdrphy, "minicon",
sdram_module.geom_settings,
sdram_module.timing_settings)
# reduce memtest size to speed up simulation
self.add_constant("MEMTEST_DATA_SIZE", 8 * 1024)
self.add_constant("MEMTEST_ADDR_SIZE", 8 * 1024)
def __init__(self, platform):
clk_freq = int((1/(platform.default_clk_period))*1000000000)
SoCCore.__init__(self, platform, clk_freq,
cpu_type=None,
csr_data_width=32,
with_uart=False,
ident="Litescope example design",
with_timer=False
)
self.add_cpu_or_bridge(UARTWishboneBridge(platform.request("serial"), clk_freq, baudrate=115200))
self.add_wb_master(self.cpu_or_bridge.wishbone)
self.submodules.crg = CRG(platform.request(platform.default_clk_name))
self.submodules.io = LiteScopeIO(8)
for i in range(8):
try:
self.comb += platform.request("user_led", i).eq(self.io.output[i])
except:
pass
counter = Signal(16)
self.sync += counter.eq(counter + 1)
toto = Signal()
self.submodules.analyzer = LiteScopeAnalyzer(counter, 512)
def __init__(self, platform, **kwargs):
SoCCore.__init__(self,
platform,
clk_freq=int(
(1 / (platform.default_clk_period)) * 1000000000),
integrated_rom_size=0x8000,
integrated_main_ram_size=16 * 1024,
**kwargs)
self.submodules.crg = CRG(platform.request(platform.default_clk_name))
def __init__(self,
platform,
firmware_ram_size=0x10000,
firmware_filename=None,
**kwargs):
if not firmware_filename:
firmware_filename = "build/sim_{}_{}/software/firmware/firmware.fbi".format(
self.__class__.__name__.lower()[:-3],
kwargs.get('cpu_type', 'lm32'))
SoCSDRAM.__init__(self,
platform,
clk_freq=int((1 / (platform.default_clk_period)) *
1000000000),
integrated_rom_size=0x8000,
integrated_sram_size=0x8000,
with_uart=False,
**kwargs)
self.submodules.crg = CRG(platform.request(platform.default_clk_name))
self.submodules.uart_phy = uart.RS232PHYModel(
platform.request("serial"))
self.submodules.uart = uart.UART(self.uart_phy)
# firmware
self.submodules.firmware_ram = firmware.FirmwareROM(
firmware_ram_size, firmware_filename)
self.register_mem("firmware_ram", self.mem_map["firmware_ram"],
self.firmware_ram.bus, firmware_ram_size)
self.flash_boot_address = self.mem_map["firmware_ram"]
# sdram
sdram_module = IS42S16160(self.clk_freq, "1:1")
phy_settings = PhySettings(memtype="SDR",
dfi_databits=1 * 32,
nphases=1,
rdphase=0,
wrphase=0,
rdcmdphase=0,
wrcmdphase=0,
cl=2,
read_latency=4,
write_latency=0)
self.submodules.sdrphy = SDRAMPHYModel(sdram_module, phy_settings)
controller_settings = ControllerSettings(with_refresh=False)
self.register_sdram(self.sdrphy,
sdram_module.geom_settings,
sdram_module.timing_settings,
controller_settings=controller_settings)
# reduce memtest size to speed up simulation
self.add_constant("MEMTEST_DATA_SIZE", 1024)
self.add_constant("MEMTEST_ADDR_SIZE", 1024)
self.add_constant("SIMULATION", 1)
def __init__(self,
firmware_ram_size=0x10000,
firmware_filename="firmware/firmware.bin",
**kwargs):
platform = sim.Platform()
SoCSDRAM.__init__(self, platform,
clk_freq=int((1/(platform.default_clk_period))*1000000000),
integrated_rom_size=0x8000,
integrated_sram_size=0x8000,
with_uart=False,
**kwargs)
self.submodules.crg = CRG(platform.request(platform.default_clk_name))
self.submodules.uart_phy = uart.RS232PHYModel(platform.request("serial"))
self.submodules.uart = uart.UART(self.uart_phy)
# firmware
self.submodules.firmware_ram = firmware.FirmwareROM(firmware_ram_size, firmware_filename)
self.register_mem("firmware_ram", self.mem_map["firmware_ram"], self.firmware_ram.bus, firmware_ram_size)
self.add_constant("ROM_BOOT_ADDRESS", self.mem_map["firmware_ram"])
# sdram
sdram_module = IS42S16160(self.clk_freq, "1:1")
phy_settings = PhySettings(
memtype="SDR",
dfi_databits=1*32,
nphases=1,
rdphase=0,
wrphase=0,
rdcmdphase=0,
wrcmdphase=0,
cl=2,
read_latency=4,
write_latency=0
)
self.submodules.sdrphy = SDRAMPHYModel(sdram_module, phy_settings)
controller_settings = ControllerSettings(with_refresh=False)
self.register_sdram(self.sdrphy,
sdram_module.geom_settings,
sdram_module.timing_settings,
controller_settings=controller_settings)
# reduce memtest size to speed up simulation
self.add_constant("MEMTEST_DATA_SIZE", 1024)
self.add_constant("MEMTEST_ADDR_SIZE", 1024)
self.add_constant("SIMULATION", 1)
self.submodules.video_out = VideoOutCore(self.sdram.crossbar.get_port())
self.submodules.vga = VGAModel(platform.request("vga"))
self.comb += self.video_out.source.connect(self.vga.sink)
def __init__(self,
platform,
clk_freq=166 * 1000000,
mac_address=0x10e2d5000000,
ip_address="192.168.1.50"):
clk_freq = int((1 / (platform.default_clk_period)) * 1000000000)
SoCCore.__init__(self,
platform,
clk_freq,
cpu_type=None,
csr_data_width=32,
with_uart=False,
ident="LiteEth Base Design",
with_timer=False)
self.add_cpu_or_bridge(
UARTWishboneBridge(platform.request("serial"),
clk_freq,
baudrate=115200))
self.add_wb_master(self.cpu_or_bridge.wishbone)
self.submodules.crg = CRG(platform.request(platform.default_clk_name))
# wishbone SRAM (to test Wishbone over UART and Etherbone)
self.submodules.sram = wishbone.SRAM(1024)
self.add_wb_slave(lambda a: a[23:25] == 1, self.sram.bus)
# ethernet PHY and UDP/IP stack
self.submodules.phy = LiteEthPHY(platform.request("eth_clocks"),
platform.request("eth"),
clk_freq=clk_freq)
self.submodules.core = LiteEthUDPIPCore(self.phy, mac_address,
convert_ip(ip_address),
clk_freq)
if isinstance(platform.toolchain, XilinxVivadoToolchain):
self.specials += [
Keep(self.crg.cd_sys.clk),
Keep(self.phy.crg.cd_eth_rx.clk),
Keep(self.phy.crg.cd_eth_tx.clk)
]
platform.add_platform_command("""
create_clock -name sys_clk -period 6.0 [get_nets sys_clk]
create_clock -name eth_rx_clk -period 8.0 [get_nets eth_rx_clk]
create_clock -name eth_tx_clk -period 8.0 [get_nets eth_tx_clk]
set_false_path -from [get_clocks sys_clk] -to [get_clocks eth_rx_clk]
set_false_path -from [get_clocks eth_rx_clk] -to [get_clocks sys_clk]
set_false_path -from [get_clocks sys_clk] -to [get_clocks eth_tx_clk]
set_false_path -from [get_clocks eth_tx_clk] -to [get_clocks sys_clk]
""")
def __init__(self, platform):
clk_freq = int(125e9)
SoCCore.__init__(self,
platform,
clk_freq,
cpu_type=None,
csr_data_width=32,
with_uart=False,
ident="KCU105 1GHz Clock Generator",
with_timer=False)
self.submodules.crg = CRG(platform.request("clk125"))
self.add_cpu_or_bridge(
UARTWishboneBridge(platform.request("serial"),
clk_freq,
baudrate=115200))
self.add_wb_master(self.cpu_or_bridge.wishbone)
pll_locked = Signal()
pll_fb = Signal()
pll_out = Signal()
self.specials += [
Instance(
"PLLE2_BASE",
p_STARTUP_WAIT="FALSE",
o_LOCKED=pll_locked,
# VCO @ 1GHz
p_REF_JITTER1=0.01,
p_CLKIN1_PERIOD=5.0,
p_CLKFBOUT_MULT=8,
p_DIVCLK_DIVIDE=1,
i_CLKIN1=ClockSignal(),
i_CLKFBIN=pll_fb,
o_CLKFBOUT=pll_fb,
# 1GHz
p_CLKOUT2_DIVIDE=1,
p_CLKOUT2_PHASE=0.0,
o_CLKOUT2=pll_out)
]
user_sma_clock_pads = platform.request("user_sma_clock")
self.specials += [
Instance("OBUFDS",
i_I=pll_out,
o_O=user_sma_clock_pads.p,
o_OB=user_sma_clock_pads.n)
]
def __init__(self, platform):
clk_freq = 125e6
self.submodules.crg = CRG(platform.request("clk125"))
# amc
amc_pll = SerdesPLL(125e6, 1e9)
self.submodules += amc_pll
self.comb += amc_pll.refclk.eq(ClockSignal())
self.submodules.amc_serdes = AMCMasterSerdes(
amc_pll, platform.request("amc_serdes"))
self.comb += self.amc_serdes.tx_data.eq(0x5a)
self.submodules.amc_serdes_init = AMCMasterSerdesInit(self.amc_serdes)
# rtm
rtm_pll = SerdesPLL(125e6, 1e9)
self.submodules += rtm_pll
self.submodules.rtm_serdes = RTMSlaveSerdes(
rtm_pll, platform.request("rtm_serdes"))
self.comb += self.rtm_serdes.tx_data.eq(0x5a)
self.submodules.rtm_serdes_init = RTMSlaveSerdesInit(self.rtm_serdes)