def add_rtio(self, rtio_channels): # Only add MonInj core if there is anything to monitor if any([len(c.probes) for c in rtio_channels]): self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.csr_devices.append("rtio_moninj") self.submodules.rtio_core = rtio.Core(self.rtio_tsc, rtio_channels) self.csr_devices.append("rtio_core") self.submodules.rtio = rtio.KernelInitiator(self.rtio_tsc) 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.drtio_cri, enable_routing=True) self.register_kernel_cpu_csrdevice("cri_con") self.submodules.routing_table = rtio.RoutingTableAccess(self.cri_con) self.csr_devices.append("routing_table") self.submodules.rtio_analyzer = rtio.Analyzer( self.rtio_tsc, self.cri_con.switch.slave, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer")
def add_rtio(self, rtio_channels): self.submodules.rtio_crg = _RTIOCRG(self.platform, self.crg.cd_sys.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 = 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.register_kernel_cpu_csrdevice("cri_con") self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.csr_devices.append("rtio_moninj") self.platform.add_false_path_constraints( self.crg.cd_sys.clk, self.rtio_crg.cd_rtio.clk) self.submodules.rtio_analyzer = rtio.Analyzer(self.rtio_core.cri, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer") # ignore timing of path from OSERDESE2 through the pad to ISERDESE2 self.platform.add_platform_command( "set_false_path -quiet " "-through [get_pins -filter {{REF_PIN_NAME == OQ || REF_PIN_NAME == TQ}} " "-of [get_cells -filter {{REF_NAME == OSERDESE2}}]] " "-to [get_pins -filter {{REF_PIN_NAME == D}} " "-of [get_cells -filter {{REF_NAME == ISERDESE2}}]]" )
def add_rtio(self, rtio_channels): self.submodules.rtio_crg = _RTIOCRG(self.platform) self.csr_devices.append("rtio_crg") fix_serdes_timing_path(self.platform) self.submodules.rtio_tsc = rtio.TSC("async", glbl_fine_ts_width=3) self.submodules.rtio_core = rtio.Core(self.rtio_tsc, rtio_channels) self.csr_devices.append("rtio_core") self.submodules.rtio = rtio.KernelInitiator(self.rtio_tsc) 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.register_kernel_cpu_csrdevice("cri_con") # Only add MonInj core if there is anything to monitor if any([len(c.probes) for c in rtio_channels]): self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.csr_devices.append("rtio_moninj") self.platform.add_false_path_constraints(self.crg.cd_sys.clk, self.rtio_crg.cd_rtio.clk) self.submodules.rtio_analyzer = rtio.Analyzer( self.rtio_tsc, self.rtio_core.cri, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer")
def add_rtio(self, rtio_channels): self.submodules.rtio_crg = _RTIOCRG(self.platform) self.csr_devices.append("rtio_crg") fix_serdes_timing_path(self.platform) self.submodules.rtio_core = rtio.Core(rtio_channels) 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.register_kernel_cpu_csrdevice("cri_con") self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.csr_devices.append("rtio_moninj") self.platform.add_false_path_constraints( self.crg.cd_sys.clk, self.rtio_crg.cd_rtio.clk) self.submodules.rtio_analyzer = rtio.Analyzer(self.rtio_core.cri, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer")
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.register_kernel_cpu_csrdevice("rtio") self.config["RTIO_FINE_TS_WIDTH"] = self.rtio.fine_ts_width self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.specials += [ Keep(self.rtio.cd_rsys.clk), Keep(self.rtio_crg.cd_rtio.clk), Keep(self.ethphy.crg.cd_eth_rx.clk), Keep(self.ethphy.crg.cd_eth_tx.clk), ] self.platform.add_period_constraint(self.rtio.cd_rsys.clk, 8.) self.platform.add_period_constraint(self.rtio_crg.cd_rtio.clk, 8.) self.platform.add_period_constraint(self.ethphy.crg.cd_eth_rx.clk, 8.) self.platform.add_period_constraint(self.ethphy.crg.cd_eth_tx.clk, 8.) self.platform.add_false_path_constraints( self.rtio.cd_rsys.clk, self.rtio_crg.cd_rtio.clk, self.ethphy.crg.cd_eth_rx.clk, self.ethphy.crg.cd_eth_tx.clk) self.submodules.rtio_analyzer = rtio.Analyzer(self.rtio, self.get_native_sdram_if())
def add_rtio(self, rtio_channels): self.submodules.rtio_crg = _RTIOCRG(self.platform, self.crg.cd_sys.clk, use_sma=False) self.csr_devices.append("rtio_crg") self.config["HAS_RTIO_CLOCK_SWITCH"] = None self.submodules.rtio_tsc = rtio.TSC("async", glbl_fine_ts_width=3) self.submodules.rtio_core = rtio.Core(self.rtio_tsc, rtio_channels) self.csr_devices.append("rtio_core") self.submodules.rtio = rtio.KernelInitiator(self.rtio_tsc) 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.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.csr_devices.append("rtio_moninj") self.platform.add_period_constraint(self.rtio_crg.cd_rtio.clk, 8.) self.platform.add_false_path_constraints( self.crg.cd_sys.clk, self.rtio_crg.cd_rtio.clk) self.submodules.rtio_analyzer = rtio.Analyzer(self.rtio_tsc, self.rtio_core.cri, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer")
def add_rtio(self, rtio_channels): self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.csr_devices.append("rtio_moninj") self.submodules.rtio_core = rtio.Core(rtio_channels, glbl_fine_ts_width=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.drtio_cri) self.register_kernel_cpu_csrdevice("cri_con") self.submodules.rtio_analyzer = rtio.Analyzer(self.cri_con.switch.slave, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer")
def add_rtio(self, rtio_channels): self.submodules.rtio_crg = _RTIOCRG(self.platform, self.crg.cd_sys.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.rtio_crg.cd_rtio.clk.attr.add("keep") self.platform.add_period_constraint(self.rtio_crg.cd_rtio.clk, 8.) self.platform.add_false_path_constraints(self.crg.cd_sys.clk, self.rtio_crg.cd_rtio.clk) self.submodules.rtio_analyzer = rtio.Analyzer( self.rtio, self.rtio_core.cri.counter, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer")
def __init__(self, cpu_type="or1k", with_sawg=False, **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) platform = self.platform platform.toolchain.bitstream_commands.append( "set_property BITSTREAM.GENERAL.COMPRESS True [current_design]") self.submodules.leds = gpio.GPIOOut( Cat(platform.request("user_led", 0), platform.request("user_led", 1))) self.csr_devices.append("leds") # forward RTM UART to second FTDI UART channel serial_1 = platform.request("serial", 1) serial_rtm = platform.request("serial_rtm") self.comb += [ serial_1.tx.eq(serial_rtm.rx), serial_rtm.tx.eq(serial_1.rx) ] # AMC/RTM serwb serwb_pll = serwb.phy.SERWBPLL(125e6, 1.25e9, vco_div=2) self.comb += serwb_pll.refclk.eq(self.crg.cd_sys.clk) self.submodules += serwb_pll serwb_pads = platform.request("amc_rtm_serwb") serwb_phy = serwb.phy.SERWBPHY(platform.device, serwb_pll, serwb_pads, mode="master") self.submodules.serwb_phy = serwb_phy self.csr_devices.append("serwb_phy") 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(self.clk_freq), mode="slave") self.submodules += serwb_core self.add_wb_slave(self.mem_map["serwb"], 8192, serwb_core.etherbone.wishbone.bus) # RTIO rtio_channels = [] for i in (2, 3): phy = ttl_simple.Output(platform.request("user_led", i)) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) for i in (0, 1): sma_io = platform.request("sma_io", i) self.comb += sma_io.direction.eq(1) phy = ttl_simple.Output(sma_io.level) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) if with_sawg: self.submodules.ad9154_0 = AD9154(platform) self.csr_devices.append("ad9154_0") self.config["HAS_AD9154"] = None self.add_csr_group("ad9154", ["ad9154_0"]) self.config["RTIO_FIRST_SAWG_CHANNEL"] = len(rtio_channels) rtio_channels.extend( rtio.Channel.from_phy(phy) for sawg in self.ad9154_0.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.clock_domains.cd_rtio = ClockDomain() self.comb += [ self.cd_rtio.clk.eq(ClockSignal()), self.cd_rtio.rst.eq(ResetSignal()) ] self.submodules.rtio_core = rtio.Core(rtio_channels) 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.register_kernel_cpu_csrdevice("cri_con") self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.csr_devices.append("rtio_moninj") self.submodules.rtio_analyzer = rtio.Analyzer( self.rtio_core.cri, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer")
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, with_sawg, **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) RTMCommon.__init__(self) self.config["HMC830_REF"] = "100" platform = self.platform # RTIO rtio_channels = [] for i in range(4): phy = ttl_simple.Output(platform.request("user_led", i)) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) sma_io = platform.request("sma_io", 0) self.comb += sma_io.direction.eq(1) phy = ttl_simple.Output(sma_io.level) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) sma_io = platform.request("sma_io", 1) self.comb += sma_io.direction.eq(0) phy = ttl_simple.InOut(sma_io.level) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) if with_sawg: cls = AD9154 else: cls = AD9154NoSAWG self.submodules.ad9154_crg = AD9154CRG(platform) self.submodules.ad9154_0 = cls(platform, self.crg, self.ad9154_crg, 0) self.submodules.ad9154_1 = cls(platform, self.crg, self.ad9154_crg, 1) self.csr_devices.append("ad9154_crg") self.csr_devices.append("ad9154_0") self.csr_devices.append("ad9154_1") self.config["HAS_AD9154"] = None self.add_csr_group("ad9154", ["ad9154_0", "ad9154_1"]) self.config["RTIO_FIRST_SAWG_CHANNEL"] = len(rtio_channels) rtio_channels.extend(rtio.Channel.from_phy(phy) for sawg in self.ad9154_0.sawgs + self.ad9154_1.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.clock_domains.cd_rtio = ClockDomain() self.comb += [ self.cd_rtio.clk.eq(ClockSignal("jesd")), self.cd_rtio.rst.eq(ResetSignal("jesd")) ] self.submodules.rtio_core = rtio.Core(rtio_channels) 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.register_kernel_cpu_csrdevice("cri_con") self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.csr_devices.append("rtio_moninj") self.submodules.rtio_analyzer = rtio.Analyzer(self.rtio_core.cri, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer")
def __init__(self, with_sawg, **kwargs): MiniSoC.__init__(self, cpu_type="or1k", sdram_controller_type="minicon", l2_size=128*1024, ethmac_nrxslots=4, ethmac_ntxslots=4, **kwargs) AMPSoC.__init__(self) RTMCommon.__init__(self) add_identifier(self, suffix=".without-sawg" if not with_sawg else "") self.config["HMC830_REF"] = "100" platform = self.platform 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.config["SI5324_AS_SYNTHESIZER"] = None self.config["SI5324_SAYMA_REF"] = None # ensure pins are properly biased and terminated si5324_clkout = platform.request("si5324_clkout", 0) self.specials += Instance( "IBUFDS_GTE3", i_CEB=0, i_I=si5324_clkout.p, i_IB=si5324_clkout.n, attr={("DONT_TOUCH", "true")}) # RTIO rtio_channels = [] for i in range(4): phy = ttl_simple.Output(platform.request("user_led", i)) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) sma_io = platform.request("sma_io", 0) self.comb += sma_io.direction.eq(1) phy = ttl_simple.Output(sma_io.level) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) sma_io = platform.request("sma_io", 1) self.comb += sma_io.direction.eq(0) phy = ttl_simple.InOut(sma_io.level) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) self.submodules.ad9154_crg = jesd204_tools.UltrascaleCRG(platform) if with_sawg: cls = AD9154 else: cls = AD9154NoSAWG self.submodules.ad9154_0 = cls(platform, self.crg, self.ad9154_crg, 0) self.submodules.ad9154_1 = cls(platform, self.crg, self.ad9154_crg, 1) self.csr_devices.append("ad9154_crg") self.csr_devices.append("ad9154_0") self.csr_devices.append("ad9154_1") self.config["HAS_AD9154"] = None self.add_csr_group("ad9154", ["ad9154_0", "ad9154_1"]) self.config["RTIO_FIRST_SAWG_CHANNEL"] = len(rtio_channels) rtio_channels.extend(rtio.Channel.from_phy(phy) for sawg in self.ad9154_0.sawgs + self.ad9154_1.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.clock_domains.cd_rtio = ClockDomain() self.comb += [ self.cd_rtio.clk.eq(ClockSignal("jesd")), self.cd_rtio.rst.eq(ResetSignal("jesd")) ] self.submodules.rtio_tsc = rtio.TSC("async") self.submodules.rtio_core = rtio.Core(self.rtio_tsc, rtio_channels) self.csr_devices.append("rtio_core") self.submodules.rtio = rtio.KernelInitiator(self.rtio_tsc) 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.register_kernel_cpu_csrdevice("cri_con") self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.csr_devices.append("rtio_moninj") self.submodules.rtio_analyzer = rtio.Analyzer(self.rtio_tsc, self.rtio_core.cri, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer") self.submodules.sysref_sampler = jesd204_tools.SysrefSampler( self.rtio_tsc.coarse_ts, self.ad9154_crg.jref) self.csr_devices.append("sysref_sampler")
def __init__(self, cpu_type="or1k", **kwargs): BaseSoC.__init__(self, cpu_type=cpu_type, l2_size=64*1024, with_timer=False, ident=artiq_version, clk_freq=75*1000*1000, **kwargs) AMPSoC.__init__(self) platform = self.platform platform.toolchain.bitgen_opt += " -g compress" 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) platform.add_extension(_pmod_spi) self.submodules.leds = gpio.GPIOOut(platform.request("user_led", 4)) 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) self.csr_devices.append("rtio_crg") # 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=128, ofifo_depth=4)) # the last TTL is used for ClockGen 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,): # ttl2 can run on a 8x serdes if xtrig is not used 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=128)) phy = ttl_simple.Output(platform.request("ext_led", 0)) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy, ofifo_depth=4)) for led_number in range(4): phy = ttl_simple.Output(platform.request("user_led", led_number)) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy, ofifo_depth=4)) self.config["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)) phy = spi.SPIMaster(self.platform.request("pmod_extended_spi", 0)) self.submodules += phy self.config["RTIO_FIRST_SPI_CHANNEL"] = len(rtio_channels) rtio_channels.append(rtio.Channel.from_phy( phy, ofifo_depth=64, ififo_depth=64)) self.config["RTIO_FIRST_DDS_CHANNEL"] = len(rtio_channels) self.config["RTIO_DDS_COUNT"] = 1 self.config["DDS_CHANNELS_PER_BUS"] = 8 self.config["DDS_AD9858"] = True 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=128, ififo_depth=4)) self.config["RTIO_LOG_CHANNEL"] = len(rtio_channels) rtio_channels.append(rtio.LogChannel()) # RTIO logic self.submodules.rtio = rtio.RTIO(rtio_channels) self.register_kernel_cpu_csrdevice("rtio") self.config["RTIO_FINE_TS_WIDTH"] = self.rtio.fine_ts_width self.config["DDS_RTIO_CLK_RATIO"] = 8 >> self.rtio.fine_ts_width self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.csr_devices.append("rtio_moninj") self.submodules.rtio_analyzer = rtio.Analyzer( self.rtio, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer")
def __init__(self, with_sawg, **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 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]", ]) # forward RTM UART to second FTDI UART channel serial_1 = platform.request("serial", 1) serial_rtm = platform.request("serial_rtm") self.comb += [ serial_1.tx.eq(serial_rtm.rx), serial_rtm.tx.eq(serial_1.rx) ] # RTM bitstream upload rtm_fpga_cfg = platform.request("rtm_fpga_cfg") self.submodules.rtm_fpga_cfg = SlaveFPGA(rtm_fpga_cfg) self.csr_devices.append("rtm_fpga_cfg") # AMC/RTM serwb serwb_pll = serwb.phy.SERWBPLL(125e6, 625e6, vco_div=2) self.comb += serwb_pll.refclk.eq(self.crg.cd_sys.clk) self.submodules += serwb_pll serwb_pads = platform.request("amc_rtm_serwb") serwb_phy_amc = serwb.phy.SERWBPHY(platform.device, serwb_pll, serwb_pads, mode="master") self.submodules.serwb_phy_amc = serwb_phy_amc self.csr_devices.append("serwb_phy_amc") serwb_phy_amc.serdes.cd_serwb_serdes.clk.attr.add("keep") serwb_phy_amc.serdes.cd_serwb_serdes_20x.clk.attr.add("keep") serwb_phy_amc.serdes.cd_serwb_serdes_5x.clk.attr.add("keep") platform.add_period_constraint(serwb_phy_amc.serdes.cd_serwb_serdes.clk, 40*1e9/serwb_pll.linerate), platform.add_period_constraint(serwb_phy_amc.serdes.cd_serwb_serdes_20x.clk, 2*1e9/serwb_pll.linerate), platform.add_period_constraint(serwb_phy_amc.serdes.cd_serwb_serdes_5x.clk, 8*1e9/serwb_pll.linerate) platform.add_false_path_constraints( self.crg.cd_sys.clk, serwb_phy_amc.serdes.cd_serwb_serdes.clk, serwb_phy_amc.serdes.cd_serwb_serdes_5x.clk) serwb_core = serwb.core.SERWBCore(serwb_phy_amc, int(self.clk_freq), mode="slave", with_scrambling=True) self.submodules += serwb_core self.add_wb_slave(self.mem_map["serwb"], 8192, serwb_core.etherbone.wishbone.bus) # RTIO rtio_channels = [] for i in range(4): phy = ttl_simple.Output(platform.request("user_led", i)) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) sma_io = platform.request("sma_io", 0) self.comb += sma_io.direction.eq(1) phy = ttl_simple.Output(sma_io.level) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) sma_io = platform.request("sma_io", 1) self.comb += sma_io.direction.eq(0) phy = ttl_simple.InOut(sma_io.level) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) if with_sawg: cls = AD9154 else: cls = AD9154NoSAWG self.submodules.ad9154_crg = AD9154CRG(platform) self.submodules.ad9154_0 = cls(platform, self.crg, self.ad9154_crg, 0) self.submodules.ad9154_1 = cls(platform, self.crg, self.ad9154_crg, 1) self.csr_devices.append("ad9154_crg") self.csr_devices.append("ad9154_0") self.csr_devices.append("ad9154_1") self.config["HAS_AD9154"] = None self.add_csr_group("ad9154", ["ad9154_0", "ad9154_1"]) self.config["RTIO_FIRST_SAWG_CHANNEL"] = len(rtio_channels) rtio_channels.extend(rtio.Channel.from_phy(phy) for sawg in self.ad9154_0.sawgs + self.ad9154_1.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.clock_domains.cd_rtio = ClockDomain() self.comb += [ self.cd_rtio.clk.eq(ClockSignal("jesd")), self.cd_rtio.rst.eq(ResetSignal("jesd")) ] self.submodules.rtio_core = rtio.Core(rtio_channels) 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.register_kernel_cpu_csrdevice("cri_con") self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.csr_devices.append("rtio_moninj") self.submodules.rtio_analyzer = rtio.Analyzer(self.rtio_core.cri, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer")
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 rtio_clk_freq = 150e6 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.config["SI5324_SOFT_RESET"] = None self.config["SI5324_AS_SYNTHESIZER"] = None self.config["RTIO_FREQUENCY"] = str(rtio_clk_freq / 1e6) sfp_ctl = [platform.request("sfp_ctl", i) for i in range(1, 3)] self.comb += [sc.tx_disable.eq(0) for sc in sfp_ctl] self.submodules.drtio_transceiver = gtp_7series.GTP( qpll_channel=self.drtio_qpll_channel, data_pads=[platform.request("sfp", i) for i in range(1, 3)], sys_clk_freq=self.clk_freq, rtio_clk_freq=rtio_clk_freq) self.csr_devices.append("drtio_transceiver") self.sync += self.disable_si5324_ibuf.eq( ~self.drtio_transceiver.stable_clkin.storage) drtio_csr_group = [] drtio_memory_group = [] drtio_cri = [] for i in range(2): core_name = "drtio" + str(i) memory_name = "drtio" + str(i) + "_aux" drtio_csr_group.append(core_name) drtio_memory_group.append(memory_name) core = ClockDomainsRenamer({"rtio_rx": "rtio_rx" + str(i)})( DRTIOMaster(self.drtio_transceiver.channels[i])) setattr(self.submodules, core_name, core) drtio_cri.append(core.cri) self.csr_devices.append(core_name) memory_address = self.mem_map["drtio_aux"] + 0x800 * i self.add_wb_slave(memory_address, 0x800, core.aux_controller.bus) self.add_memory_region(memory_name, memory_address | self.shadow_base, 0x800) self.config["HAS_DRTIO"] = None self.add_csr_group("drtio", drtio_csr_group) self.add_memory_group("drtio_aux", drtio_memory_group) rtio_clk_period = 1e9 / rtio_clk_freq for gtp in self.drtio_transceiver.gtps: platform.add_period_constraint(gtp.txoutclk, rtio_clk_period) platform.add_period_constraint(gtp.rxoutclk, rtio_clk_period) platform.add_false_path_constraints(self.crg.cd_sys.clk, gtp.txoutclk, gtp.rxoutclk) rtio_channels = [] phy = ttl_simple.Output(platform.request("user_led", 0)) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) for sc in sfp_ctl: phy = ttl_simple.Output(sc.led) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) self.config["HAS_RTIO_LOG"] = None self.config["RTIO_LOG_CHANNEL"] = len(rtio_channels) rtio_channels.append(rtio.LogChannel()) self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.csr_devices.append("rtio_moninj") self.submodules.rtio_core = rtio.Core(rtio_channels, glbl_fine_ts_width=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] + drtio_cri) self.register_kernel_cpu_csrdevice("cri_con") self.submodules.rtio_analyzer = rtio.Analyzer( self.cri_con.switch.slave, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer")
def __init__(self, with_sawg, **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 # forward RTM UART to second FTDI UART channel serial_1 = platform.request("serial", 1) serial_rtm = platform.request("serial_rtm") self.comb += [ serial_1.tx.eq(serial_rtm.rx), serial_rtm.tx.eq(serial_1.rx) ] # RTM bitstream upload slave_fpga_cfg = self.platform.request("rtm_fpga_cfg") self.submodules.slave_fpga_cfg = gpio.GPIOTristate([ slave_fpga_cfg.cclk, slave_fpga_cfg.din, slave_fpga_cfg.done, slave_fpga_cfg.init_b, slave_fpga_cfg.program_b, ]) self.csr_devices.append("slave_fpga_cfg") # self.config["HAS_SLAVE_FPGA"] = None self.config["SLAVE_FPGA_GATEWARE"] = 0x200000 # AMC/RTM serwb serwb_pads = platform.request("amc_rtm_serwb") serwb_phy_amc = serwb.phy.SERWBPHY(platform.device, serwb_pads, mode="master") self.submodules.serwb_phy_amc = serwb_phy_amc self.csr_devices.append("serwb_phy_amc") serwb_core = serwb.core.SERWBCore(serwb_phy_amc, int(self.clk_freq), mode="slave") self.submodules += serwb_core self.add_wb_slave(self.mem_map["serwb"], 8192, serwb_core.etherbone.wishbone.bus) # RTIO rtio_channels = [] for i in range(4): phy = ttl_simple.Output(platform.request("user_led", i)) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) sma_io = platform.request("sma_io", 0) self.comb += sma_io.direction.eq(1) phy = ttl_simple.Output(sma_io.level) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) sma_io = platform.request("sma_io", 1) self.comb += sma_io.direction.eq(0) phy = ttl_simple.InOut(sma_io.level) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) if with_sawg: cls = AD9154 else: cls = AD9154NoSAWG self.submodules.ad9154_crg = AD9154CRG(platform) self.submodules.ad9154_0 = cls(platform, self.crg, self.ad9154_crg, 0) self.submodules.ad9154_1 = cls(platform, self.crg, self.ad9154_crg, 1) self.csr_devices.append("ad9154_crg") self.csr_devices.append("ad9154_0") self.csr_devices.append("ad9154_1") self.config["HAS_AD9154"] = None self.add_csr_group("ad9154", ["ad9154_0", "ad9154_1"]) self.config["RTIO_FIRST_SAWG_CHANNEL"] = len(rtio_channels) rtio_channels.extend( rtio.Channel.from_phy(phy) for sawg in self.ad9154_0.sawgs + self.ad9154_1.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.clock_domains.cd_rtio = ClockDomain() self.comb += [ self.cd_rtio.clk.eq(ClockSignal("jesd")), self.cd_rtio.rst.eq(ResetSignal("jesd")) ] self.submodules.rtio_core = rtio.Core(rtio_channels) 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.register_kernel_cpu_csrdevice("cri_con") self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.csr_devices.append("rtio_moninj") self.submodules.rtio_analyzer = rtio.Analyzer( self.rtio_core.cri, self.get_native_sdram_if()) self.csr_devices.append("rtio_analyzer")
def __init__(self, cpu_type="or1k", **kwargs): BaseSoC.__init__(self, cpu_type=cpu_type, l2_size=64 * 1024, ident=artiq_version, clk_freq=75 * 1000 * 1000, **kwargs) AMPSoC.__init__(self) platform = self.platform platform.toolchain.bitgen_opt += " -g compress" 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(_ttl_io) platform.add_extension(_pmod_spi) self.submodules.leds = gpio.GPIOOut(platform.request("user_led", 4)) self.submodules.rtio_crg = _RTIOCRG(platform, self.clk_freq) self.csr_devices.append("rtio_crg") # RTIO channels rtio_channels = [] # the last TTL is used for ClockGen for i in range(15): if i in (0, 1): phy = ttl_serdes_spartan6.Inout_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=128)) for led_number in range(4): phy = ttl_simple.Output(platform.request("user_led", led_number)) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy, ofifo_depth=4)) self.config["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)) phy = spi.SPIMaster(self.platform.request("pmod_extended_spi", 0)) self.submodules += phy self.config["RTIO_FIRST_SPI_CHANNEL"] = len(rtio_channels) rtio_channels.append( rtio.Channel.from_phy(phy, ofifo_depth=64, ififo_depth=64)) self.config["HAS_RTIO_LOG"] = None self.config["RTIO_LOG_CHANNEL"] = len(rtio_channels) rtio_channels.append(rtio.LogChannel()) # RTIO logic self.submodules.rtio_core = rtio.Core(rtio_channels) self.csr_devices.append("rtio_core") self.submodules.rtio = rtio.KernelInitiator(self.rtio_core.cri) self.register_kernel_cpu_csrdevice("rtio") 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")
def __init__(self, **kwargs): MiniSoC.__init__(self, cpu_type="or1k", sdram_controller_type="minicon", l2_size=128 * 1024, with_timer=False, ident="DRTIO_DEMO", **kwargs) AMPSoC.__init__(self) platform = self.platform platform.add_extension(ttl_extension) rtio_channels = [] phy = ttl_simple.Output(platform.request("user_sma_gpio_p")) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) phy = ttl_simple.Output(platform.request("user_sma_gpio_n")) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) for i in range(8): phy = ttl_simple.Output(platform.request("user_led")) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) for i in range(22): phy = ttl_simple.Output(platform.request("ttl")) self.submodules += phy rtio_channels.append(rtio.Channel.from_phy(phy)) self.comb += platform.request("sfp_tx_disable_n").eq(1) self.submodules.remote_ttl_channels = RemoteTTLChannels( clock_pads=platform.request("sgmii_clock"), tx_pads=platform.request("sfp_tx"), sys_clk_freq=125000000) rtio_channels += self.remote_ttl_channels.rtio_channels self.config["RTIO_REGULAR_TTL_COUNT"] = len(rtio_channels) self.config["RTIO_LOG_CHANNEL"] = len(rtio_channels) rtio_channels.append(rtio.LogChannel()) sma = platform.request("user_sma_clock_p") self.comb += sma.eq(ClockSignal("tx")) self.submodules.rtio = rtio.RTIO(rtio_channels) self.register_kernel_cpu_csrdevice("rtio") self.config["RTIO_FINE_TS_WIDTH"] = self.rtio.fine_ts_width self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) self.specials += [ Keep(self.rtio.cd_rsys.clk), Keep(self.remote_ttl_channels.cd_rtio.clk), Keep(self.ethphy.crg.cd_eth_rx.clk), Keep(self.ethphy.crg.cd_eth_tx.clk), ] platform.add_period_constraint(self.rtio.cd_rsys.clk, 8.) platform.add_period_constraint(self.remote_ttl_channels.cd_rtio.clk, 16.) platform.add_period_constraint(self.ethphy.crg.cd_eth_rx.clk, 8.) platform.add_period_constraint(self.ethphy.crg.cd_eth_tx.clk, 8.) platform.add_false_path_constraints( self.rtio.cd_rsys.clk, self.remote_ttl_channels.cd_rtio.clk, self.ethphy.crg.cd_eth_rx.clk, self.ethphy.crg.cd_eth_tx.clk) self.submodules.rtio_analyzer = rtio.Analyzer( self.rtio, self.get_native_sdram_if())