def __init__(self, **kwargs):
BaseSoC.__init__(self,
cpu_type="or1k",
sdram_controller_type="minicon",
l2_size=128*1024,
ident=artiq_version,
**kwargs)
platform = self.platform
rtio_channels = []
for i in range(8):
phy = ttl_simple.Output(platform.request("user_led", i))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
for sma in "user_sma_gpio_p", "user_sma_gpio_n":
phy = ttl_simple.InOut(platform.request(sma))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
self.csr_devices.append("rtio_moninj")
self.comb += platform.request("sfp_tx_disable_n").eq(1)
# 1000BASE_BX10 Ethernet compatible, 62.5MHz RTIO clock
self.submodules.transceiver = gtx_7series.GTX_1000BASE_BX10(
clock_pads=platform.request("si5324_clkout"),
tx_pads=platform.request("sfp_tx"),
rx_pads=platform.request("sfp_rx"),
sys_clk_freq=self.clk_freq)
rx0 = ClockDomainsRenamer({"rtio_rx": "rtio_rx0"})
self.submodules.rx_synchronizer0 = rx0(gtx_7series.RXSynchronizer(
self.transceiver.rtio_clk_freq, initial_phase=180.0))
self.submodules.drtio0 = rx0(DRTIOSatellite(
self.transceiver.channels[0], rtio_channels, self.rx_synchronizer0))
self.csr_devices.append("rx_synchronizer0")
self.csr_devices.append("drtio0")
self.add_wb_slave(self.mem_map["drtio_aux"], 0x800,
self.drtio0.aux_controller.bus)
self.add_memory_region("drtio0_aux", self.mem_map["drtio_aux"] | self.shadow_base, 0x800)
self.config["HAS_DRTIO"] = None
self.add_csr_group("drtio", ["drtio0"])
self.add_memory_group("drtio_aux", ["drtio0_aux"])
self.config["RTIO_FREQUENCY"] = str(self.transceiver.rtio_clk_freq/1e6)
si5324_clkin = platform.request("si5324_clkin")
self.specials += \
Instance("OBUFDS",
i_I=ClockSignal("rtio_rx0"),
o_O=si5324_clkin.p, o_OB=si5324_clkin.n
)
self.submodules.si5324_rst_n = gpio.GPIOOut(platform.request("si5324").rst_n)
self.csr_devices.append("si5324_rst_n")
i2c = self.platform.request("i2c")
self.submodules.i2c = gpio.GPIOTristate([i2c.scl, i2c.sda])
self.csr_devices.append("i2c")
self.config["I2C_BUS_COUNT"] = 1
self.config["HAS_SI5324"] = None
platform.add_extension(ad9154_fmc_ebz)
ad9154_spi = platform.request("ad9154_spi")
self.comb += ad9154_spi.en.eq(1)
self.submodules.converter_spi = spi_csr.SPIMaster(ad9154_spi)
self.csr_devices.append("converter_spi")
self.comb += [
platform.request("user_sma_clock_p").eq(ClockSignal("rtio_rx0")),
platform.request("user_sma_clock_n").eq(ClockSignal("rtio"))
]
rtio_clk_period = 1e9/self.transceiver.rtio_clk_freq
platform.add_period_constraint(self.transceiver.txoutclk, rtio_clk_period)
platform.add_period_constraint(self.transceiver.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints(
platform.lookup_request("clk200"),
self.transceiver.txoutclk, self.transceiver.rxoutclk)
def __init__(self, platform):
platform.toolchain.bitstream_commands.extend([
"set_property BITSTREAM.GENERAL.COMPRESS True [current_design]",
"set_property CFGBVS VCCO [current_design]",
"set_property CONFIG_VOLTAGE 3.3 [current_design]",
])
csr_devices = []
self.submodules.crg = CRG(platform)
clk_freq = 125e6
self.submodules.rtm_identifier = RTMIdentifier()
csr_devices.append("rtm_identifier")
# clock mux: 100MHz ext SMA clock to HMC830 input
self.submodules.clock_mux = gpio.GPIOOut(Cat(
platform.request("clk_src_ext_sel"),
platform.request("ref_clk_src_sel"),
platform.request("dac_clk_src_sel")))
csr_devices.append("clock_mux")
# UART loopback
serial = platform.request("serial")
self.comb += serial.tx.eq(serial.rx)
# Allaki: enable RF output, GPIO access to attenuator
self.comb += [
platform.request("allaki0_rfsw0").eq(1),
platform.request("allaki0_rfsw1").eq(1),
platform.request("allaki1_rfsw0").eq(1),
platform.request("allaki1_rfsw1").eq(1),
platform.request("allaki2_rfsw0").eq(1),
platform.request("allaki2_rfsw1").eq(1),
platform.request("allaki3_rfsw0").eq(1),
platform.request("allaki3_rfsw1").eq(1),
]
allaki_atts = [
platform.request("allaki0_att0"),
platform.request("allaki0_att1"),
platform.request("allaki1_att0"),
platform.request("allaki1_att1"),
platform.request("allaki2_att0"),
platform.request("allaki2_att1"),
platform.request("allaki3_att0"),
platform.request("allaki3_att1"),
]
allaki_att_gpio = []
for allaki_att in allaki_atts:
allaki_att_gpio += [
allaki_att.le,
allaki_att.sin,
allaki_att.clk,
allaki_att.rst_n,
]
self.submodules.allaki_atts = gpio.GPIOOut(Cat(*allaki_att_gpio))
csr_devices.append("allaki_atts")
# HMC clock chip and DAC control
self.comb += [
platform.request("ad9154_rst_n").eq(1),
platform.request("ad9154_txen", 0).eq(0b11),
platform.request("ad9154_txen", 1).eq(0b11)
]
self.submodules.converter_spi = spi.SPIMaster([
platform.request("hmc_spi"),
platform.request("ad9154_spi", 0),
platform.request("ad9154_spi", 1)])
csr_devices.append("converter_spi")
self.comb += platform.request("hmc7043_reset").eq(0)
# AMC/RTM serwb
serwb_pll = serwb.phy.SERWBPLL(62.5e6, 625e6, vco_div=1)
self.submodules += serwb_pll
serwb_pads = platform.request("amc_rtm_serwb")
platform.add_period_constraint(serwb_pads.clk_p, 16.)
serwb_phy_rtm = serwb.phy.SERWBPHY(platform.device, serwb_pll, serwb_pads, mode="slave")
self.submodules.serwb_phy_rtm = serwb_phy_rtm
self.comb += self.crg.reset.eq(serwb_phy_rtm.init.reset)
csr_devices.append("serwb_phy_rtm")
serwb_phy_rtm.serdes.cd_serwb_serdes.clk.attr.add("keep")
serwb_phy_rtm.serdes.cd_serwb_serdes_20x.clk.attr.add("keep")
serwb_phy_rtm.serdes.cd_serwb_serdes_5x.clk.attr.add("keep")
platform.add_period_constraint(serwb_phy_rtm.serdes.cd_serwb_serdes.clk, 40*1e9/serwb_pll.linerate),
platform.add_period_constraint(serwb_phy_rtm.serdes.cd_serwb_serdes_20x.clk, 2*1e9/serwb_pll.linerate),
platform.add_period_constraint(serwb_phy_rtm.serdes.cd_serwb_serdes_5x.clk, 8*1e9/serwb_pll.linerate)
platform.add_false_path_constraints(
self.crg.cd_sys.clk,
serwb_phy_rtm.serdes.cd_serwb_serdes.clk,
serwb_phy_rtm.serdes.cd_serwb_serdes_5x.clk)
serwb_core = serwb.core.SERWBCore(serwb_phy_rtm, int(clk_freq), mode="master", with_scrambling=True)
self.submodules += serwb_core
# process CSR devices and connect them to serwb
self.csr_regions = []
wb_slaves = WishboneSlaveManager(0x10000000)
for i, name in enumerate(csr_devices):
origin = i*CSR_RANGE_SIZE
module = getattr(self, name)
csrs = module.get_csrs()
bank = wishbone.CSRBank(csrs)
self.submodules += bank
wb_slaves.add(origin, CSR_RANGE_SIZE, bank.bus)
self.csr_regions.append((name, origin, 32, csrs))
self.submodules += wishbone.Decoder(serwb_core.etherbone.wishbone.bus,
wb_slaves.get_interconnect_slaves(),
register=True)
def __init__(self, **kwargs):
MiniSoC.__init__(self,
cpu_type="or1k",
sdram_controller_type="minicon",
l2_size=128*1024,
ident=artiq_version,
ethmac_nrxslots=4,
ethmac_ntxslots=4,
**kwargs)
AMPSoC.__init__(self)
platform = self.platform
self.comb += platform.request("sfp_tx_disable_n").eq(1)
tx_pads = platform.request("sfp_tx")
rx_pads = platform.request("sfp_rx")
# 1000BASE_BX10 Ethernet compatible, 62.5MHz RTIO clock
self.submodules.transceiver = gtx_7series.GTX_1000BASE_BX10(
clock_pads=platform.request("sgmii_clock"),
tx_pads=tx_pads,
rx_pads=rx_pads,
sys_clk_freq=self.clk_freq,
clock_div2=True)
self.submodules.drtio0 = ClockDomainsRenamer({"rtio_rx": "rtio_rx0"})(
DRTIOMaster(self.transceiver.channels[0]))
self.csr_devices.append("drtio0")
self.add_wb_slave(self.mem_map["drtio_aux"], 0x800,
self.drtio0.aux_controller.bus)
self.add_memory_region("drtio0_aux", self.mem_map["drtio_aux"] | self.shadow_base, 0x800)
self.config["HAS_DRTIO"] = None
self.add_csr_group("drtio", ["drtio0"])
self.add_memory_group("drtio_aux", ["drtio0_aux"])
platform.add_extension(ad9154_fmc_ebz)
ad9154_spi = platform.request("ad9154_spi")
self.comb += ad9154_spi.en.eq(1)
self.submodules.converter_spi = spi_csr.SPIMaster(ad9154_spi)
self.csr_devices.append("converter_spi")
self.comb += [
platform.request("user_sma_clock_p").eq(ClockSignal("rtio_rx0")),
platform.request("user_sma_clock_n").eq(ClockSignal("rtio"))
]
rtio_clk_period = 1e9/self.transceiver.rtio_clk_freq
platform.add_period_constraint(self.transceiver.txoutclk, rtio_clk_period)
platform.add_period_constraint(self.transceiver.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints(
self.crg.cd_sys.clk,
self.transceiver.txoutclk, self.transceiver.rxoutclk)
rtio_channels = []
for i in range(8):
phy = ttl_simple.Output(platform.request("user_led", i))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
for sma in "user_sma_gpio_p", "user_sma_gpio_n":
phy = ttl_simple.InOut(platform.request(sma))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
self.csr_devices.append("rtio_moninj")
self.submodules.rtio_core = rtio.Core(rtio_channels, 3)
self.csr_devices.append("rtio_core")
self.submodules.rtio = rtio.KernelInitiator()
self.submodules.rtio_dma = ClockDomainsRenamer("sys_kernel")(
rtio.DMA(self.get_native_sdram_if()))
self.register_kernel_cpu_csrdevice("rtio")
self.register_kernel_cpu_csrdevice("rtio_dma")
self.submodules.cri_con = rtio.CRIInterconnectShared(
[self.rtio.cri, self.rtio_dma.cri],
[self.rtio_core.cri, self.drtio0.cri])
self.register_kernel_cpu_csrdevice("cri_con")
def __init__(self, cpu_type="or1k", **kwargs):
MiniSoC.__init__(self,
cpu_type=cpu_type,
sdram_controller_type="minicon",
l2_size=128 * 1024,
ident=artiq_version,
ethmac_nrxslots=4,
ethmac_ntxslots=4,
**kwargs)
AMPSoC.__init__(self)
self.platform.toolchain.bitstream_commands.extend([
"set_property BITSTREAM.GENERAL.COMPRESS True [current_design]",
])
platform = self.platform
platform.add_extension(ad9154_fmc_ebz)
self.submodules.leds = gpio.GPIOOut(
Cat(platform.request("user_led", 0),
platform.request("user_led", 1)))
self.csr_devices.append("leds")
i2c = platform.request("i2c")
self.submodules.i2c = gpio.GPIOTristate([i2c.scl, i2c.sda])
self.csr_devices.append("i2c")
self.config["I2C_BUS_COUNT"] = 1
ad9154_spi = platform.request("ad9154_spi")
self.comb += ad9154_spi.en.eq(1)
self.submodules.converter_spi = spi_csr.SPIMaster(ad9154_spi)
self.csr_devices.append("converter_spi")
self.config["CONVERTER_SPI_DAC_CS"] = 0
self.config["CONVERTER_SPI_CLK_CS"] = 1
self.config["HAS_AD9516"] = None
self.submodules.ad9154 = AD9154(platform)
self.csr_devices.append("ad9154")
rtio_channels = []
phy = ttl_serdes_7series.Inout_8X(platform.request("user_sma_gpio_n"))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy, ififo_depth=128))
phy = ttl_simple.Output(platform.request("user_led", 2))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
sysref_pads = platform.request("ad9154_sysref")
phy = ttl_serdes_7series.Input_8X(sysref_pads.p, sysref_pads.n)
self.submodules += phy
rtio_channels.append(
rtio.Channel.from_phy(phy, ififo_depth=32, ofifo_depth=2))
self.config["RTIO_REGULAR_TTL_COUNT"] = len(rtio_channels)
self.config["RTIO_FIRST_SAWG_CHANNEL"] = len(rtio_channels)
rtio_channels.extend(
rtio.Channel.from_phy(phy) for sawg in self.ad9154.sawgs
for phy in sawg.phys)
self.config["HAS_RTIO_LOG"] = None
self.config["RTIO_LOG_CHANNEL"] = len(rtio_channels)
rtio_channels.append(rtio.LogChannel())
self.submodules.rtio_crg = _PhaserCRG(platform,
self.ad9154.jesd.cd_jesd.clk)
self.csr_devices.append("rtio_crg")
self.submodules.rtio_core = rtio.Core(rtio_channels)
self.csr_devices.append("rtio_core")
self.submodules.rtio = rtio.KernelInitiator()
# self.submodules.rtio_dma = rtio.DMA(self.get_native_sdram_if())
self.register_kernel_cpu_csrdevice("rtio")
# self.register_kernel_cpu_csrdevice("rtio_dma")
self.submodules.cri_con = rtio.CRIInterconnectShared(
[self.rtio.cri], # , self.rtio_dma.cri],
[self.rtio_core.cri])
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
self.csr_devices.append("rtio_moninj")
self.submodules.rtio_analyzer = rtio.Analyzer(
self.rtio, self.rtio_core.cri.counter, self.get_native_sdram_if())
self.csr_devices.append("rtio_analyzer")
platform.add_false_path_constraints(self.crg.cd_sys.clk,
self.rtio_crg.cd_rtio.clk)
platform.add_false_path_constraints(self.crg.cd_sys.clk,
self.ad9154.jesd.cd_jesd.clk)
for phy in self.ad9154.jesd.phys:
platform.add_false_path_constraints(self.crg.cd_sys.clk,
phy.gtx.cd_tx.clk)
def __init__(self, cfg, **kwargs):
MiniSoC.__init__(self,
cpu_type="or1k",
sdram_controller_type="minicon",
l2_size=128 * 1024,
ident=artiq_version,
ethmac_nrxslots=4,
ethmac_ntxslots=4,
**kwargs)
AMPSoC.__init__(self)
platform = self.platform
self.comb += platform.request("sfp_tx_disable_n").eq(1)
tx_pads = platform.request("sfp_tx")
rx_pads = platform.request("sfp_rx")
if cfg == "simple_gbe":
# GTX_1000BASE_BX10 Ethernet compatible, 62.5MHz RTIO clock
# simple TTLs
self.submodules.transceiver = gtx_7series.GTX_1000BASE_BX10(
clock_pads=platform.request("sgmii_clock"),
tx_pads=tx_pads,
rx_pads=rx_pads,
sys_clk_freq=self.clk_freq,
clock_div2=True)
elif cfg == "sawg_3g":
# 3Gb link, 150MHz RTIO clock
# with SAWG on local RTIO and AD9154-FMC-EBZ
platform.add_extension(ad9154_fmc_ebz)
self.submodules.transceiver = gtx_7series.GTX_3G(
clock_pads=platform.request("ad9154_refclk"),
tx_pads=tx_pads,
rx_pads=rx_pads,
sys_clk_freq=self.clk_freq)
ad9154_spi = platform.request("ad9154_spi")
self.comb += ad9154_spi.en.eq(1)
self.submodules.converter_spi = spi_csr.SPIMaster(ad9154_spi)
self.csr_devices.append("converter_spi")
self.config["CONVERTER_SPI_DAC_CS"] = 0
self.config["CONVERTER_SPI_CLK_CS"] = 1
self.config["HAS_AD9516"] = None
else:
raise ValueError
self.submodules.drtio = DRTIOMaster(self.transceiver)
self.csr_devices.append("drtio")
self.add_wb_slave(mem_decoder(self.mem_map["drtio_aux"]),
self.drtio.aux_controller.bus)
self.add_memory_region("drtio_aux",
self.mem_map["drtio_aux"] | self.shadow_base,
0x800)
self.comb += [
platform.request("user_sma_clock_p").eq(ClockSignal("rtio_rx")),
platform.request("user_sma_clock_n").eq(ClockSignal("rtio"))
]
rtio_clk_period = 1e9 / self.transceiver.rtio_clk_freq
platform.add_period_constraint(self.transceiver.txoutclk,
rtio_clk_period)
platform.add_period_constraint(self.transceiver.rxoutclk,
rtio_clk_period)
platform.add_false_path_constraints(self.crg.cd_sys.clk,
self.transceiver.txoutclk,
self.transceiver.rxoutclk)
rtio_channels = []
for i in range(8):
phy = ttl_simple.Output(platform.request("user_led", i))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
for sma in "user_sma_gpio_p", "user_sma_gpio_n":
phy = ttl_simple.Inout(platform.request(sma))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
self.submodules.rtio_core = rtio.Core(rtio_channels, 3)
self.csr_devices.append("rtio_core")
self.submodules.rtio = rtio.KernelInitiator()
self.submodules.rtio_dma = rtio.DMA(self.get_native_sdram_if())
self.register_kernel_cpu_csrdevice("rtio")
self.register_kernel_cpu_csrdevice("rtio_dma")
self.submodules.cri_con = rtio.CRIInterconnectShared(
[self.rtio.cri, self.rtio_dma.cri],
[self.drtio.cri, self.rtio_core.cri])
def __init__(self, platform):
csr_devices = []
self.submodules.crg = CRG(platform)
self.crg.cd_sys.clk.attr.add("keep")
clk_freq = 125e6
platform.add_period_constraint(self.crg.cd_sys.clk, 8.0)
self.submodules.rtm_identifier = RTMIdentifier()
csr_devices.append("rtm_identifier")
# clock mux: 125MHz ext SMA clock to HMC830 input
self.comb += [
platform.request("clk_src_ext_sel").eq(1), # use ext clk from sma
platform.request("ref_clk_src_sel").eq(1),
platform.request("dac_clk_src_sel").eq(0), # use clk from dac_clk
]
self.comb += [
platform.request("ad9154_rst_n").eq(1),
platform.request("ad9154_txen", 0).eq(0b11),
platform.request("ad9154_txen", 1).eq(0b11)
]
self.submodules.converter_spi = spi.SPIMaster([
platform.request("hmc_spi"),
platform.request("ad9154_spi", 0),
platform.request("ad9154_spi", 1)])
csr_devices.append("converter_spi")
self.comb += platform.request("hmc7043_reset").eq(0)
# AMC/RTM serwb
serwb_pll = serwb.phy.SERWBPLL(125e6, 1.25e9, vco_div=1)
self.submodules += serwb_pll
serwb_pads = platform.request("amc_rtm_serwb")
serwb_phy = serwb.phy.SERWBPHY(platform.device, serwb_pll, serwb_pads, mode="slave")
self.submodules.serwb_phy = serwb_phy
self.comb += self.crg.reset.eq(serwb_phy.init.reset)
serwb_phy.serdes.cd_serwb_serdes.clk.attr.add("keep")
serwb_phy.serdes.cd_serwb_serdes_20x.clk.attr.add("keep")
serwb_phy.serdes.cd_serwb_serdes_5x.clk.attr.add("keep")
platform.add_period_constraint(serwb_phy.serdes.cd_serwb_serdes.clk, 32.0),
platform.add_period_constraint(serwb_phy.serdes.cd_serwb_serdes_20x.clk, 1.6),
platform.add_period_constraint(serwb_phy.serdes.cd_serwb_serdes_5x.clk, 6.4)
platform.add_false_path_constraints(
self.crg.cd_sys.clk,
serwb_phy.serdes.cd_serwb_serdes.clk,
serwb_phy.serdes.cd_serwb_serdes_5x.clk)
serwb_core = serwb.core.SERWBCore(serwb_phy, int(clk_freq), mode="master")
self.submodules += serwb_core
# process CSR devices and connect them to serwb
self.csr_regions = []
wb_slaves = WishboneSlaveManager(0x10000000)
for i, name in enumerate(csr_devices):
origin = i*CSR_RANGE_SIZE
module = getattr(self, name)
csrs = module.get_csrs()
bank = wishbone.CSRBank(csrs)
self.submodules += bank
wb_slaves.add(origin, CSR_RANGE_SIZE, bank.bus)
self.csr_regions.append((name, origin, 32, csrs))
self.submodules += wishbone.Decoder(serwb_core.etherbone.wishbone.bus,
wb_slaves.get_interconnect_slaves(),
register=True)
def __init__(self, cfg, **kwargs):
BaseSoC.__init__(self,
cpu_type="or1k",
sdram_controller_type="minicon",
l2_size=128*1024,
ident=artiq_version,
**kwargs)
platform = self.platform
rtio_channels = []
for i in range(8):
phy = ttl_simple.Output(platform.request("user_led", i))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
for sma in "user_sma_gpio_p", "user_sma_gpio_n":
phy = ttl_simple.Inout(platform.request(sma))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
self.comb += platform.request("sfp_tx_disable_n").eq(1)
if cfg == "simple_gbe":
# GTX_1000BASE_BX10 Ethernet compatible, 62.5MHz RTIO clock
# simple TTLs
transceiver = gtx_7series.GTX_1000BASE_BX10
elif cfg == "sawg_3g":
# 3Gb link, 150MHz RTIO clock
# with SAWG on local RTIO and AD9154-FMC-EBZ
platform.add_extension(ad9154_fmc_ebz)
ad9154_spi = platform.request("ad9154_spi")
self.comb += ad9154_spi.en.eq(1)
self.submodules.converter_spi = spi_csr.SPIMaster(ad9154_spi)
self.csr_devices.append("converter_spi")
self.config["CONVERTER_SPI_DAC_CS"] = 0
self.config["CONVERTER_SPI_CLK_CS"] = 1
self.config["HAS_AD9516"] = None
transceiver = gtx_7series.GTX_3G
else:
raise ValueError
self.submodules.transceiver = transceiver(
clock_pads=platform.request("si5324_clkout"),
tx_pads=platform.request("sfp_tx"),
rx_pads=platform.request("sfp_rx"),
sys_clk_freq=self.clk_freq)
self.submodules.rx_synchronizer = gtx_7series.RXSynchronizer(
self.transceiver.rtio_clk_freq, initial_phase=180.0)
self.submodules.drtio = DRTIOSatellite(
self.transceiver, rtio_channels, self.rx_synchronizer)
self.csr_devices.append("rx_synchronizer")
self.csr_devices.append("drtio")
self.add_wb_slave(mem_decoder(self.mem_map["drtio_aux"]),
self.drtio.aux_controller.bus)
self.add_memory_region("drtio_aux", self.mem_map["drtio_aux"] | self.shadow_base, 0x800)
self.config["RTIO_FREQUENCY"] = str(self.transceiver.rtio_clk_freq/1e6)
si5324_clkin = platform.request("si5324_clkin")
self.specials += \
Instance("OBUFDS",
i_I=ClockSignal("rtio_rx"),
o_O=si5324_clkin.p, o_OB=si5324_clkin.n
)
self.submodules.si5324_rst_n = gpio.GPIOOut(platform.request("si5324").rst_n)
self.csr_devices.append("si5324_rst_n")
i2c = self.platform.request("i2c")
self.submodules.i2c = gpio.GPIOTristate([i2c.scl, i2c.sda])
self.csr_devices.append("i2c")
self.config["I2C_BUS_COUNT"] = 1
self.config["HAS_SI5324"] = None
self.comb += [
platform.request("user_sma_clock_p").eq(ClockSignal("rtio_rx")),
platform.request("user_sma_clock_n").eq(ClockSignal("rtio"))
]
rtio_clk_period = 1e9/self.transceiver.rtio_clk_freq
platform.add_period_constraint(self.transceiver.txoutclk, rtio_clk_period)
platform.add_period_constraint(self.transceiver.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints(
platform.lookup_request("clk200"),
self.transceiver.txoutclk, self.transceiver.rxoutclk)