def __init__(self, platform, **kwargs):
VideoMixerSoC.__init__(self, platform, **kwargs)
lasmim = self.sdram.crossbar.get_master()
self.submodules.encoder_reader = EncoderDMAReader(lasmim)
self.submodules.encoder_cdc = RenameClockDomains(AsyncFIFO([("data", 128)], 4),
{"write": "sys", "read": "encoder"})
self.submodules.encoder_buffer = RenameClockDomains(EncoderBuffer(), "encoder")
self.submodules.encoder_fifo = RenameClockDomains(SyncFIFO(EndpointDescription([("data", 16)], packetized=True), 16), "encoder")
self.submodules.encoder = Encoder(platform)
self.submodules.usb_streamer = USBStreamer(platform, platform.request("fx2"))
self.comb += [
Record.connect(self.encoder_reader.source, self.encoder_cdc.sink),
Record.connect(self.encoder_cdc.source, self.encoder_buffer.sink),
Record.connect(self.encoder_buffer.source, self.encoder_fifo.sink),
Record.connect(self.encoder_fifo.source, self.encoder.sink),
Record.connect(self.encoder.source, self.usb_streamer.sink)
]
self.add_wb_slave(mem_decoder(self.mem_map["encoder"]), self.encoder.bus)
self.add_memory_region("encoder", self.mem_map["encoder"]+self.shadow_base, 0x2000)
platform.add_platform_command("""
NET "{usb_clk}" TNM_NET = "GRPusb_clk";
TIMESPEC "TSise_sucks11" = FROM "GRPusb_clk" TO "GRPsys_clk" TIG;
TIMESPEC "TSise_sucks12" = FROM "GRPsys_clk" TO "GRPusb_clk" TIG;
""", usb_clk=platform.lookup_request("fx2").ifclk)
def __init__(self, platform, **kwargs):
EtherVideoMixerSoC.__init__(self, platform, **kwargs)
lasmim = self.sdram.crossbar.get_master()
self.submodules.encoder_reader = EncoderDMAReader(lasmim)
self.submodules.encoder_cdc = RenameClockDomains(AsyncFIFO([("data", 128)], 4),
{"write": "sys", "read": "encoder"})
self.submodules.encoder_buffer = RenameClockDomains(EncoderBuffer(), "encoder")
self.submodules.encoder_fifo = RenameClockDomains(SyncFIFO(EndpointDescription([("data", 16)], packetized=True), 16), "encoder")
self.submodules.encoder = Encoder(platform)
encoder_port = self.ethcore.udp.crossbar.get_port(8000, 8)
self.submodules.encoder_streamer = UDPStreamer(convert_ip("192.168.1.15"), 8000)
self.comb += [
platform.request("user_led", 0).eq(self.encoder_reader.source.stb),
platform.request("user_led", 1).eq(self.encoder_reader.source.ack),
Record.connect(self.encoder_reader.source, self.encoder_cdc.sink),
Record.connect(self.encoder_cdc.source, self.encoder_buffer.sink),
Record.connect(self.encoder_buffer.source, self.encoder_fifo.sink),
Record.connect(self.encoder_fifo.source, self.encoder.sink),
Record.connect(self.encoder.source, self.encoder_streamer.sink),
Record.connect(self.encoder_streamer.source, encoder_port.sink)
]
self.add_wb_slave(mem_decoder(self.mem_map["encoder"]), self.encoder.bus)
self.add_memory_region("encoder", self.mem_map["encoder"]+self.shadow_base, 0x2000)
def __init__(self, platform, **kwargs):
BaseSoC.__init__(self, platform, **kwargs)
self.submodules.ethphy = LiteEthPHY(platform.request("eth_clocks"), platform.request("eth"), clk_freq=self.clk_freq)
self.submodules.ethmac = LiteEthMAC(phy=self.ethphy, dw=32, interface="wishbone")
self.add_wb_slave(mem_decoder(self.mem_map["ethmac"]), self.ethmac.bus)
self.add_memory_region("ethmac", self.mem_map["ethmac"] | self.shadow_base, 0x2000)
def add_rtio(self, rtio_channels):
self.submodules.rtio_crg = _RTIOCRG(self.platform, self.crg.cd_sys.clk)
self.submodules.rtio = rtio.RTIO(rtio_channels)
self.add_constant("RTIO_FINE_TS_WIDTH", self.rtio.fine_ts_width)
assert self.rtio.fine_ts_width <= 3
self.add_constant("DDS_RTIO_CLK_RATIO", 8 >> self.rtio.fine_ts_width)
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
if isinstance(self.platform.toolchain, XilinxVivadoToolchain):
self.platform.add_platform_command("""
create_clock -name rsys_clk -period 8.0 [get_nets {rsys_clk}]
create_clock -name rio_clk -period 8.0 [get_nets {rio_clk}]
set_false_path -from [get_clocks rsys_clk] -to [get_clocks rio_clk]
set_false_path -from [get_clocks rio_clk] -to [get_clocks rsys_clk]
""", rsys_clk=self.rtio.cd_rsys.clk, rio_clk=self.rtio.cd_rio.clk)
if isinstance(self.platform.toolchain, XilinxISEToolchain):
self.platform.add_platform_command("""
NET "sys_clk" TNM_NET = "GRPrsys_clk";
NET "{rio_clk}" TNM_NET = "GRPrio_clk";
TIMESPEC "TSfix_cdc1" = FROM "GRPrsys_clk" TO "GRPrio_clk" TIG;
TIMESPEC "TSfix_cdc2" = FROM "GRPrio_clk" TO "GRPrsys_clk" TIG;
""", rio_clk=self.rtio_crg.cd_rtio.clk)
rtio_csrs = self.rtio.get_csrs()
self.submodules.rtiowb = wbgen.Bank(rtio_csrs)
self.kernel_cpu.add_wb_slave(mem_decoder(self.mem_map["rtio"]),
self.rtiowb.bus)
self.add_csr_region("rtio", self.mem_map["rtio"] | 0x80000000, 32,
rtio_csrs)
def __init__(self, platform, **kwargs):
BaseSoC.__init__(self, platform, **kwargs)
self.submodules.ethphy = LiteEthPHYRGMII(platform.request("eth_clocks"), platform.request("eth"))
self.submodules.ethmac = LiteEthMAC(phy=self.ethphy, dw=32, interface="wishbone")
self.add_wb_slave(mem_decoder(self.mem_map["ethmac"]), self.ethmac.bus)
self.add_memory_region("ethmac", self.mem_map["ethmac"]+self.shadow_base, 0x2000)
self.specials += [
Keep(self.ethphy.crg.cd_eth_rx.clk),
Keep(self.ethphy.crg.cd_eth_tx.clk)
]
platform.add_platform_command("""
# Separate TMNs for FROM:TO TIG constraints
NET "{eth_clocks_rx}" CLOCK_DEDICATED_ROUTE = FALSE;
NET "{eth_rx_clk}" TNM_NET = "TIGeth_rx_clk";
NET "{eth_tx_clk}" TNM_NET = "TIGeth_tx_clk";
TIMESPEC "TSeth_tx_to_sys" = FROM "TIGeth_tx_clk" TO "TIGsys_clk" TIG;
TIMESPEC "TSsys_to_eth_tx" = FROM "TIGsys_clk" TO "TIGeth_tx_clk" TIG;
TIMESPEC "TSeth_rx_to_sys" = FROM "TIGeth_rx_clk" TO "TIGsys_clk" TIG;
TIMESPEC "TSsys_to_eth_rx" = FROM "TIGsys_clk" TO "TIGeth_rx_clk" TIG;
# FIXME: What is this?
PIN "BUFG_4.O" CLOCK_DEDICATED_ROUTE = FALSE;
""", eth_clocks_rx=platform.lookup_request("eth_clocks").rx,
eth_rx_clk=self.ethphy.crg.cd_eth_rx.clk,
eth_tx_clk=self.ethphy.crg.cd_eth_tx.clk)
def __init__(self, platform, **kwargs):
EtherVideoMixerSoC.__init__(self, platform, **kwargs)
lasmim = self.sdram.crossbar.get_master()
self.submodules.encoder_reader = EncoderDMAReader(lasmim)
self.submodules.encoder_cdc = RenameClockDomains(
AsyncFIFO([("data", 128)], 4), {
"write": "sys",
"read": "encoder"
})
self.submodules.encoder_buffer = RenameClockDomains(
EncoderBuffer(), "encoder")
self.submodules.encoder_fifo = RenameClockDomains(
SyncFIFO(EndpointDescription([("data", 16)], packetized=True), 16),
"encoder")
self.submodules.encoder = Encoder(platform)
encoder_port = self.ethcore.udp.crossbar.get_port(8000, 8)
self.submodules.encoder_streamer = UDPStreamer(
convert_ip("192.168.1.15"), 8000)
self.comb += [
platform.request("user_led", 0).eq(self.encoder_reader.source.stb),
platform.request("user_led", 1).eq(self.encoder_reader.source.ack),
Record.connect(self.encoder_reader.source, self.encoder_cdc.sink),
Record.connect(self.encoder_cdc.source, self.encoder_buffer.sink),
Record.connect(self.encoder_buffer.source, self.encoder_fifo.sink),
Record.connect(self.encoder_fifo.source, self.encoder.sink),
Record.connect(self.encoder.source, self.encoder_streamer.sink),
Record.connect(self.encoder_streamer.source, encoder_port.sink)
]
self.add_wb_slave(mem_decoder(self.mem_map["encoder"]),
self.encoder.bus)
self.add_memory_region("encoder",
self.mem_map["encoder"] + self.shadow_base,
0x2000)
def __init__(self, platform, **kwargs):
BaseSoC.__init__(self, platform, **kwargs)
self.submodules.ethphy = LiteEthPHYMII(platform.request("eth_clocks"),
platform.request("eth"))
self.submodules.ethmac = LiteEthMAC(phy=self.ethphy,
dw=32,
interface="wishbone")
self.add_wb_slave(mem_decoder(self.mem_map["ethmac"]), self.ethmac.bus)
self.add_memory_region("ethmac",
self.mem_map["ethmac"] + self.shadow_base,
0x2000)
platform.add_platform_command(
"""
NET "{eth_clocks_rx}" CLOCK_DEDICATED_ROUTE = FALSE;
NET "{eth_clocks_rx}" TNM_NET = "GRPeth_rx_clk";
NET "{eth_clocks_tx}" TNM_NET = "GRPeth_tx_clk";
TIMESPEC "TSise_sucks1" = FROM "GRPeth_tx_clk" TO "GRPsys_clk" TIG;
TIMESPEC "TSise_sucks2" = FROM "GRPsys_clk" TO "GRPeth_tx_clk" TIG;
TIMESPEC "TSise_sucks3" = FROM "GRPeth_rx_clk" TO "GRPsys_clk" TIG;
TIMESPEC "TSise_sucks4" = FROM "GRPsys_clk" TO "GRPeth_rx_clk" TIG;
""",
eth_clocks_rx=platform.lookup_request("eth_clocks").rx,
eth_clocks_tx=platform.lookup_request("eth_clocks").tx)
def __init__(self, platform, **kwargs):
BaseSoC.__init__(self, platform, **kwargs)
self.submodules.ethphy = LiteEthPHY(platform.request("eth_clocks"), platform.request("eth"))
self.submodules.ethmac = LiteEthMAC(phy=self.ethphy, dw=32, interface="wishbone", with_preamble_crc=False)
self.add_wb_slave(mem_decoder(self.mem_map["ethmac"]), self.ethmac.bus)
self.add_memory_region("ethmac", self.mem_map["ethmac"] | self.shadow_base, 0x2000)
def __init__(self):
if not hasattr(self, "cpu_or_bridge"):
raise ValueError("Platform SoC must be initialized first")
if hasattr(self, "timer0"):
raise ValueError("Timer already exists. "
"Initialize platform SoC using with_timer=False")
self.submodules.timer0 = timer.Timer(width=64)
self.submodules.kernel_cpu = amp.KernelCPU(self.platform)
self.add_wb_sdram_if(self.kernel_cpu.wb_sdram)
self.submodules.mailbox = amp.Mailbox()
self.add_wb_slave(mem_decoder(self.mem_map["mailbox"]),
self.mailbox.i1)
self.kernel_cpu.add_wb_slave(mem_decoder(self.mem_map["mailbox"]),
self.mailbox.i2)
self.add_memory_region("mailbox",
self.mem_map["mailbox"] | 0x80000000, 4)
def __init__(self):
if not hasattr(self, "cpu_or_bridge"):
raise ValueError("Platform SoC must be initialized first")
if hasattr(self, "timer0"):
raise ValueError("Timer already exists. "
"Initialize platform SoC using with_timer=False")
self.submodules.timer0 = timer.Timer(width=64)
self.submodules.kernel_cpu = amp.KernelCPU(self.platform)
self.add_wb_sdram_if(self.kernel_cpu.wb_sdram)
self.submodules.mailbox = amp.Mailbox()
self.add_wb_slave(mem_decoder(self.mem_map["mailbox"]),
self.mailbox.i1)
self.kernel_cpu.add_wb_slave(mem_decoder(self.mem_map["mailbox"]),
self.mailbox.i2)
self.add_memory_region("mailbox", self.mem_map["mailbox"] | 0x80000000,
4)
def __init__(self, platform, **kwargs):
BaseSoC.__init__(self, platform, **kwargs)
if platform.name == "mixxeo":
self.submodules.leds = gpio.GPIOOut(platform.request("user_led"))
if platform.name == "m1":
self.submodules.buttons = gpio.GPIOIn(Cat(platform.request("user_btn", 0),
platform.request("user_btn", 2)))
self.submodules.leds = gpio.GPIOOut(Cat(platform.request("user_led", i) for i in range(2)))
self.submodules.ethphy = LiteEthPHY(platform.request("eth_clocks"),
platform.request("eth"))
self.submodules.ethmac = LiteEthMAC(phy=self.ethphy, dw=32, interface="wishbone")
self.add_wb_slave(mem_decoder(self.mem_map["ethmac"]), self.ethmac.bus)
self.add_memory_region("ethmac", self.mem_map["ethmac"] | self.shadow_base, 0x2000)
def __init__(self, platform, **kwargs):
BaseSoC.__init__(self, platform, **kwargs)
self.submodules.ethphy = LiteEthPHYMII(platform.request("eth_clocks"), platform.request("eth"))
self.submodules.ethmac = LiteEthMAC(phy=self.ethphy, dw=32, interface="wishbone")
self.add_wb_slave(mem_decoder(self.mem_map["ethmac"]), self.ethmac.bus)
self.add_memory_region("ethmac", self.mem_map["ethmac"]+self.shadow_base, 0x2000)
platform.add_platform_command("""
NET "{eth_clocks_rx}" CLOCK_DEDICATED_ROUTE = FALSE;
NET "{eth_clocks_rx}" TNM_NET = "GRPeth_rx_clk";
NET "{eth_clocks_tx}" TNM_NET = "GRPeth_tx_clk";
TIMESPEC "TSise_sucks1" = FROM "GRPeth_tx_clk" TO "GRPsys_clk" TIG;
TIMESPEC "TSise_sucks2" = FROM "GRPsys_clk" TO "GRPeth_tx_clk" TIG;
TIMESPEC "TSise_sucks3" = FROM "GRPeth_rx_clk" TO "GRPsys_clk" TIG;
TIMESPEC "TSise_sucks4" = FROM "GRPsys_clk" TO "GRPeth_rx_clk" TIG;
""", eth_clocks_rx=platform.lookup_request("eth_clocks").rx,
eth_clocks_tx=platform.lookup_request("eth_clocks").tx)
def __init__(self, platform, **kwargs):
VideoMixerSoC.__init__(self, platform, **kwargs)
lasmim = self.sdram.crossbar.get_master()
self.submodules.encoder_reader = EncoderDMAReader(lasmim)
self.submodules.encoder_cdc = RenameClockDomains(
AsyncFIFO([("data", 128)], 4), {
"write": "sys",
"read": "encoder"
})
self.submodules.encoder_buffer = RenameClockDomains(
EncoderBuffer(), "encoder")
self.submodules.encoder_fifo = RenameClockDomains(
SyncFIFO(EndpointDescription([("data", 16)], packetized=True), 16),
"encoder")
self.submodules.encoder = Encoder(platform)
self.submodules.usb_streamer = USBStreamer(platform,
platform.request("fx2"))
self.comb += [
platform.request("user_led", 0).eq(self.encoder_reader.source.stb),
platform.request("user_led", 1).eq(self.encoder_reader.source.ack),
Record.connect(self.encoder_reader.source, self.encoder_cdc.sink),
Record.connect(self.encoder_cdc.source, self.encoder_buffer.sink),
Record.connect(self.encoder_buffer.source, self.encoder_fifo.sink),
Record.connect(self.encoder_fifo.source, self.encoder.sink),
Record.connect(self.encoder.source, self.usb_streamer.sink)
]
self.add_wb_slave(mem_decoder(self.mem_map["encoder"]),
self.encoder.bus)
self.add_memory_region("encoder",
self.mem_map["encoder"] + self.shadow_base,
0x2000)
platform.add_platform_command(
"""
NET "{usb_clk}" TNM_NET = "GRPusb_clk";
TIMESPEC "TSise_sucks11" = FROM "GRPusb_clk" TO "GRPsys_clk" TIG;
TIMESPEC "TSise_sucks12" = FROM "GRPsys_clk" TO "GRPusb_clk" TIG;
""",
usb_clk=platform.lookup_request("fx2").ifclk)
def __init__(self, platform,
exec_address=0x40400000,
main_mem_origin=0x40000000,
l2_size=8192):
self._reset = CSRStorage(reset=1)
# # #
self._wb_slaves = []
# CPU core
self.clock_domains.cd_sys_kernel = ClockDomain()
self.comb += [
self.cd_sys_kernel.clk.eq(ClockSignal()),
self.cd_sys_kernel.rst.eq(self._reset.storage)
]
self.submodules.cpu = RenameClockDomains(
mor1kx.MOR1KX(platform, exec_address),
"sys_kernel")
# DRAM access
self.wb_sdram = wishbone.Interface()
self.add_wb_slave(mem_decoder(main_mem_origin), self.wb_sdram)
def __init__(self,
platform,
exec_address=0x40400000,
main_mem_origin=0x40000000,
l2_size=8192):
self._reset = CSRStorage(reset=1)
# # #
self._wb_slaves = []
# CPU core
self.clock_domains.cd_sys_kernel = ClockDomain()
self.comb += [
self.cd_sys_kernel.clk.eq(ClockSignal()),
self.cd_sys_kernel.rst.eq(self._reset.storage)
]
self.submodules.cpu = RenameClockDomains(
mor1kx.MOR1KX(platform, exec_address), "sys_kernel")
# DRAM access
self.wb_sdram = wishbone.Interface()
self.add_wb_slave(mem_decoder(main_mem_origin), self.wb_sdram)
def __init__(self, platform, cpu_type="or1k", **kwargs):
BaseSoC.__init__(self, platform,
cpu_type=cpu_type,
sdram_controller_settings=MiniconSettings(l2_size=64*1024),
with_timer=False, **kwargs)
AMPSoC.__init__(self)
platform.toolchain.ise_commands += """
trce -v 12 -fastpaths -tsi {build_name}.tsi -o {build_name}.twr {build_name}.ncd {build_name}.pcf
"""
platform.add_extension(nist_qc1.papilio_adapter_io)
self.submodules.leds = gpio.GPIOOut(Cat(
platform.request("user_led", 0),
platform.request("user_led", 1),
platform.request("user_led", 2),
platform.request("user_led", 3),
))
self.comb += [
platform.request("ttl_l_tx_en").eq(1),
platform.request("ttl_h_tx_en").eq(1)
]
self.submodules.rtio_crg = _RTIOCRG(platform, self.clk_freq)
# RTIO channels
rtio_channels = []
# pmt1 can run on a 8x serdes if pmt0 is not used
for i in range(2):
phy = ttl_serdes_spartan6.Inout_4X(platform.request("pmt", i),
self.rtio_crg.rtiox4_stb)
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy, ififo_depth=512,
ofifo_depth=4))
# ttl2 can run on a 8x serdes if xtrig is not used
for i in range(15):
if i in (0, 1):
phy = ttl_serdes_spartan6.Output_4X(platform.request("ttl", i),
self.rtio_crg.rtiox4_stb)
elif i in (2,):
phy = ttl_serdes_spartan6.Output_8X(platform.request("ttl", i),
self.rtio_crg.rtiox8_stb)
else:
phy = ttl_simple.Output(platform.request("ttl", i))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy, ofifo_depth=256))
phy = ttl_simple.Output(platform.request("ext_led", 0))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy, ofifo_depth=4))
phy = ttl_simple.Output(platform.request("user_led", 4))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy, ofifo_depth=4))
self.add_constant("RTIO_REGULAR_TTL_COUNT", len(rtio_channels))
phy = ttl_simple.ClockGen(platform.request("ttl", 15))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
self.add_constant("RTIO_DDS_CHANNEL", len(rtio_channels))
self.add_constant("DDS_CHANNEL_COUNT", 8)
self.add_constant("DDS_AD9858")
dds_pins = platform.request("dds")
self.comb += dds_pins.p.eq(0)
phy = dds.AD9858(dds_pins, 8)
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy,
ofifo_depth=512,
ififo_depth=4))
# RTIO core
self.submodules.rtio = rtio.RTIO(rtio_channels)
self.add_constant("RTIO_FINE_TS_WIDTH", self.rtio.fine_ts_width)
self.add_constant("DDS_RTIO_CLK_RATIO", 8 >> self.rtio.fine_ts_width)
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
# CPU connections
rtio_csrs = self.rtio.get_csrs()
self.submodules.rtiowb = wbgen.Bank(rtio_csrs)
self.kernel_cpu.add_wb_slave(mem_decoder(self.mem_map["rtio"]),
self.rtiowb.bus)
self.add_csr_region("rtio", self.mem_map["rtio"] | 0x80000000, 32,
rtio_csrs)
def __init__(self, platform, cpu_type="or1k", **kwargs):
BaseSoC.__init__(self,
platform,
cpu_type=cpu_type,
sdram_controller_settings=MiniconSettings(l2_size=64 *
1024),
with_timer=False,
**kwargs)
AMPSoC.__init__(self)
platform.toolchain.ise_commands += """
trce -v 12 -fastpaths -tsi {build_name}.tsi -o {build_name}.twr {build_name}.ncd {build_name}.pcf
"""
platform.add_extension(nist_qc1.papilio_adapter_io)
self.submodules.leds = gpio.GPIOOut(
Cat(
platform.request("user_led", 0),
platform.request("user_led", 1),
platform.request("user_led", 2),
platform.request("user_led", 3),
))
self.comb += [
platform.request("ttl_l_tx_en").eq(1),
platform.request("ttl_h_tx_en").eq(1)
]
self.submodules.rtio_crg = _RTIOCRG(platform, self.clk_freq)
# RTIO channels
rtio_channels = []
# pmt1 can run on a 8x serdes if pmt0 is not used
for i in range(2):
phy = ttl_serdes_spartan6.Inout_4X(platform.request("pmt", i),
self.rtio_crg.rtiox4_stb)
self.submodules += phy
rtio_channels.append(
rtio.Channel.from_phy(phy, ififo_depth=512, ofifo_depth=4))
# ttl2 can run on a 8x serdes if xtrig is not used
for i in range(15):
if i in (0, 1):
phy = ttl_serdes_spartan6.Output_4X(platform.request("ttl", i),
self.rtio_crg.rtiox4_stb)
elif i in (2, ):
phy = ttl_serdes_spartan6.Output_8X(platform.request("ttl", i),
self.rtio_crg.rtiox8_stb)
else:
phy = ttl_simple.Output(platform.request("ttl", i))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy, ofifo_depth=256))
phy = ttl_simple.Output(platform.request("ext_led", 0))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy, ofifo_depth=4))
phy = ttl_simple.Output(platform.request("user_led", 4))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy, ofifo_depth=4))
self.add_constant("RTIO_REGULAR_TTL_COUNT", len(rtio_channels))
phy = ttl_simple.ClockGen(platform.request("ttl", 15))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
self.add_constant("RTIO_DDS_CHANNEL", len(rtio_channels))
self.add_constant("DDS_CHANNEL_COUNT", 8)
self.add_constant("DDS_AD9858")
dds_pins = platform.request("dds")
self.comb += dds_pins.p.eq(0)
phy = dds.AD9858(dds_pins, 8)
self.submodules += phy
rtio_channels.append(
rtio.Channel.from_phy(phy, ofifo_depth=512, ififo_depth=4))
# RTIO core
self.submodules.rtio = rtio.RTIO(rtio_channels)
self.add_constant("RTIO_FINE_TS_WIDTH", self.rtio.fine_ts_width)
self.add_constant("DDS_RTIO_CLK_RATIO", 8 >> self.rtio.fine_ts_width)
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
# CPU connections
rtio_csrs = self.rtio.get_csrs()
self.submodules.rtiowb = wbgen.Bank(rtio_csrs)
self.kernel_cpu.add_wb_slave(mem_decoder(self.mem_map["rtio"]),
self.rtiowb.bus)
self.add_csr_region("rtio", self.mem_map["rtio"] | 0x80000000, 32,
rtio_csrs)