コード例 #1
0
            def __init__(self):
                self.submodules.hdd0 = HDD(n=0,
                        link_debug         = False,
                        link_random_level  = 0,
                        transport_debug    = False,
                        transport_loopback = False,
                        hdd_debug          = True)
                self.submodules.core0 = LiteSATACore(self.hdd0.phy)

                self.submodules.hdd1 = HDD(n=1,
                        link_debug         = False,
                        link_random_level  = 0,
                        transport_debug    = False,
                        transport_loopback = False,
                        hdd_debug          = True)
                self.submodules.core1 = LiteSATACore(self.hdd1.phy)

                self.submodules.mirroring = LiteSATAMirroring([self.core0, self.core1])

                self.submodules.crossbar0  = LiteSATACrossbar(self.mirroring.ports[0])
                self.submodules.generator0 = LiteSATABISTGenerator(self.crossbar0.get_port())
                self.submodules.checker0   = LiteSATABISTChecker(self.crossbar0.get_port())

                self.submodules.crossbar1  = LiteSATACrossbar(self.mirroring.ports[1])
                self.submodules.generator1 = LiteSATABISTGenerator(self.crossbar1.get_port())
                self.submodules.checker1   = LiteSATABISTChecker(self.crossbar1.get_port())
コード例 #2
0
 def __init__(self, dw=32):
     self.submodules.hdd = HDD(
             link_debug=False, link_random_level=0,
             transport_debug=False, transport_loopback=False,
             hdd_debug=True)
     self.submodules.core = LiteSATACore(self.hdd.phy)
     self.submodules.crossbar = LiteSATACrossbar(self.core)
     self.submodules.generator = LiteSATABISTGenerator(self.crossbar.get_port(dw))
     self.submodules.checker = LiteSATABISTChecker(self.crossbar.get_port(dw))
コード例 #3
0
            def __init__(self):
                self.submodules.hdd0 = HDD(n=0,
                        link_debug         = False,
                        link_random_level  = 0,
                        transport_debug    = False,
                        transport_loopback = False,
                        hdd_debug          = True)
                self.submodules.core0 = LiteSATACore(self.hdd0.phy)

                self.submodules.hdd1 = HDD(n=1,
                        link_debug         = False,
                        link_random_level  = 0,
                        transport_debug    = False,
                        transport_loopback = False,
                        hdd_debug          = True)
                self.submodules.core1 = LiteSATACore(self.hdd1.phy)

                self.submodules.striping = LiteSATAStriping([self.core0, self.core1])
                self.submodules.crossbar = LiteSATACrossbar(self.striping)

                self.submodules.generator = LiteSATABISTGenerator(self.crossbar.get_port())
                self.submodules.checker   = LiteSATABISTChecker(self.crossbar.get_port())
コード例 #4
0
ファイル: bist.py プロジェクト: GotoHack/litesata
    def __init__(self, platform, revision="sata_gen3", trx_dw=16):
        clk_freq = 200 * 1000000
        SoCCore.__init__(self,
                         platform,
                         clk_freq,
                         cpu_type=None,
                         csr_data_width=32,
                         with_uart=False,
                         ident="LiteSATA 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)

        # SATA PHY/Core/Frontend
        self.submodules.sata_phy = LiteSATAPHY(platform.device,
                                               platform.request("sata_clocks"),
                                               platform.request("sata", 0),
                                               revision, clk_freq, trx_dw)
        self.submodules.sata_core = LiteSATACore(self.sata_phy)
        self.submodules.sata_crossbar = LiteSATACrossbar(self.sata_core)
        self.submodules.sata_bist = LiteSATABIST(self.sata_crossbar,
                                                 with_csr=True)

        # Status Leds
        self.submodules.leds = StatusLeds(platform, self.sata_phy)

        self.specials += [
            Keep(ClockSignal("sata_rx")),
            Keep(ClockSignal("sata_tx"))
        ]
        platform.add_platform_command("""
create_clock -name sys_clk -period 5 [get_nets sys_clk]

create_clock -name sata_rx_clk -period {sata_clk_period} [get_nets sata_rx_clk]
create_clock -name sata_tx_clk -period {sata_clk_period} [get_nets sata_tx_clk]

set_false_path -from [get_clocks sys_clk] -to [get_clocks sata_rx_clk]
set_false_path -from [get_clocks sys_clk] -to [get_clocks sata_tx_clk]
set_false_path -from [get_clocks sata_rx_clk] -to [get_clocks sys_clk]
set_false_path -from [get_clocks sata_tx_clk] -to [get_clocks sys_clk]
""".format(sata_clk_period="3.3" if trx_dw == 16 else "6.6"))
コード例 #5
0
    def __init__(self, platform, revision="sata_gen2", data_width=16):
        sys_clk_freq = int(100e6)
        SoCCore.__init__(self,
                         platform,
                         sys_clk_freq,
                         cpu_type=None,
                         csr_data_width=32,
                         with_uart=False,
                         ident="LiteSATA example design",
                         ident_version=True,
                         with_timer=False)
        self.add_cpu(
            UARTWishboneBridge(platform.request("serial"),
                               sys_clk_freq,
                               baudrate=115200))
        self.add_wb_master(self.cpu.wishbone)
        self.submodules.crg = CRG(platform)

        # SATA PHY/Core/Frontend
        self.submodules.sata_phy = LiteSATAPHY(platform.device,
                                               platform.request("sata_clocks"),
                                               platform.request("sata",
                                                                0), revision,
                                               sys_clk_freq, data_width)
        self.submodules.sata_core = LiteSATACore(self.sata_phy)
        self.submodules.sata_crossbar = LiteSATACrossbar(self.sata_core)
        self.submodules.sata_bist = LiteSATABIST(self.sata_crossbar,
                                                 with_csr=True)

        # Status Leds
        self.submodules.leds = StatusLeds(platform, self.sata_phy)

        self.sata_phy.crg.cd_sata_rx.clk.attr.add("keep")
        self.sata_phy.crg.cd_sata_tx.clk.attr.add("keep")
        platform.add_platform_command("""
create_clock -name sys_clk -period 10 [get_nets sys_clk]

create_clock -name sata_rx_clk -period {sata_clk_period} [get_nets sata_rx_clk]
create_clock -name sata_tx_clk -period {sata_clk_period} [get_nets sata_tx_clk]

set_false_path -from [get_clocks sys_clk] -to [get_clocks sata_rx_clk]
set_false_path -from [get_clocks sys_clk] -to [get_clocks sata_tx_clk]
set_false_path -from [get_clocks sata_rx_clk] -to [get_clocks sys_clk]
set_false_path -from [get_clocks sata_tx_clk] -to [get_clocks sys_clk]
""".format(sata_clk_period="6.6" if data_width == 16 else "13.2"))
コード例 #6
0
    def __init__(self, platform, revision="sata_gen3", data_width=16):
        sys_clk_freq = int(200e6)
        SoCMini.__init__(self,
                         platform,
                         sys_clk_freq,
                         csr_data_width=32,
                         ident="LiteSATA example design",
                         ident_version=True)

        # Serial Bridge ----------------------------------------------------------------------------
        self.submodules.bridge = UARTWishboneBridge(platform.request("serial"),
                                                    sys_clk_freq,
                                                    baudrate=115200)
        self.add_wb_master(self.bridge.wishbone)
        self.submodules.crg = CRG(platform)

        # SATA PHY/Core/Frontend -------------------------------------------------------------------
        self.submodules.sata_phy = LiteSATAPHY(platform.device,
                                               platform.request("sata_clocks"),
                                               platform.request("sata",
                                                                0), revision,
                                               sys_clk_freq, data_width)
        self.submodules.sata_core = LiteSATACore(self.sata_phy)
        self.submodules.sata_crossbar = LiteSATACrossbar(self.sata_core)
        self.submodules.sata_bist = LiteSATABIST(self.sata_crossbar,
                                                 with_csr=True)
        self.add_csr("sata_bist")

        # Status Leds ------------------------------------------------------------------------------
        self.submodules.leds = StatusLeds(platform, self.sata_phy)

        # Timing constraints -----------------------------------------------------------------------
        self.sata_phy.crg.cd_sata_rx.clk.attr.add("keep")
        self.sata_phy.crg.cd_sata_tx.clk.attr.add("keep")
        platform.add_platform_command("""
create_clock -name sys_clk -period 5 [get_nets sys_clk]

create_clock -name sata_rx_clk -period {sata_clk_period} [get_nets sata_rx_clk]
create_clock -name sata_tx_clk -period {sata_clk_period} [get_nets sata_tx_clk]

set_false_path -from [get_clocks sys_clk] -to [get_clocks sata_rx_clk]
set_false_path -from [get_clocks sys_clk] -to [get_clocks sata_tx_clk]
set_false_path -from [get_clocks sata_rx_clk] -to [get_clocks sys_clk]
set_false_path -from [get_clocks sata_tx_clk] -to [get_clocks sys_clk]
""".format(sata_clk_period="3.3" if data_width == 16 else "6.6"))
コード例 #7
0
    def __init__(self):
        self.submodules.hdd = HDD(link_debug=False,
                                  link_random_level=50,
                                  transport_debug=False,
                                  transport_loopback=False,
                                  hdd_debug=True)
        self.submodules.core = LiteSATACore(self.hdd.phy)

        self.submodules.streamer = CommandStreamer()
        self.submodules.streamer_randomizer = Randomizer(
            command_tx_description(32), level=50)

        self.submodules.logger = CommandLogger()
        self.submodules.logger_randomizer = Randomizer(
            command_rx_description(32), level=50)

        self.submodules.pipeline = Pipeline(self.streamer,
                                            self.streamer_randomizer,
                                            self.core, self.logger_randomizer,
                                            self.logger)
コード例 #8
0
    def __init__(self,
                 platform,
                 gen="gen2",
                 with_pll_refclk=True,
                 with_analyzer=False):
        assert gen in ["gen1", "gen2"]
        sys_clk_freq = int(100e6)
        sata_clk_freq = {"gen1": 75e6, "gen2": 150e6}[gen]

        # CRG --------------------------------------------------------------------------------------
        self.submodules.crg = _CRG(platform, sys_clk_freq)

        # SoCMini ----------------------------------------------------------------------------------
        SoCMini.__init__(self,
                         platform,
                         sys_clk_freq,
                         ident="LiteSATA bench on Nexys Video",
                         ident_version=True,
                         with_uart=True,
                         uart_name="bridge")

        # SATA -------------------------------------------------------------------------------------
        if with_pll_refclk:
            # RefClk, Generate 150MHz from PLL.
            self.clock_domains.cd_sata_refclk = ClockDomain()
            self.crg.pll.create_clkout(self.cd_sata_refclk, 150e6)
            platform.add_platform_command(
                "set_property SEVERITY {{Warning}} [get_drc_checks REQP-49]")

        # PHY
        self.submodules.sata_phy = LiteSATAPHY(
            platform.device,
            refclk=None if not with_pll_refclk else self.cd_sata_refclk.clk,
            pads=platform.request("fmc2sata"),
            gen=gen,
            clk_freq=sys_clk_freq,
            data_width=16)
        self.add_csr("sata_phy")

        # Core
        self.submodules.sata_core = LiteSATACore(self.sata_phy)

        # Crossbar
        self.submodules.sata_crossbar = LiteSATACrossbar(self.sata_core)

        # BIST
        self.submodules.sata_bist = LiteSATABIST(self.sata_crossbar,
                                                 with_csr=True)
        self.add_csr("sata_bist")

        # Timing constraints
        platform.add_period_constraint(self.sata_phy.crg.cd_sata_tx.clk,
                                       1e9 / sata_clk_freq)
        platform.add_period_constraint(self.sata_phy.crg.cd_sata_rx.clk,
                                       1e9 / sata_clk_freq)
        self.platform.add_false_path_constraints(
            self.crg.cd_sys.clk, self.sata_phy.crg.cd_sata_tx.clk,
            self.sata_phy.crg.cd_sata_rx.clk)

        # Leds -------------------------------------------------------------------------------------
        # sys_clk
        sys_counter = Signal(32)
        self.sync.sys += sys_counter.eq(sys_counter + 1)
        self.comb += platform.request("user_led", 0).eq(sys_counter[26])
        # tx_clk
        tx_counter = Signal(32)
        self.sync.sata_tx += tx_counter.eq(tx_counter + 1)
        self.comb += platform.request("user_led", 1).eq(tx_counter[26])
        # rx_clk
        rx_counter = Signal(32)
        self.sync.sata_rx += rx_counter.eq(rx_counter + 1)
        self.comb += platform.request("user_led", 2).eq(rx_counter[26])
        # ready
        self.comb += platform.request("user_led",
                                      3).eq(self.sata_phy.ctrl.ready)

        # Analyzer ---------------------------------------------------------------------------------
        if with_analyzer:
            analyzer_signals = [
                self.sata_phy.phy.tx_init.fsm,
                self.sata_phy.phy.rx_init.fsm,
                self.sata_phy.ctrl.fsm,
                self.sata_phy.ctrl.ready,
                self.sata_phy.source,
                self.sata_phy.sink,
                self.sata_core.command.sink,
                self.sata_core.command.source,
                self.sata_core.link.rx.fsm,
                self.sata_core.link.tx.fsm,
                self.sata_core.transport.rx.fsm,
                self.sata_core.transport.tx.fsm,
                self.sata_core.command.rx.fsm,
                self.sata_core.command.tx.fsm,
            ]
            self.submodules.analyzer = LiteScopeAnalyzer(
                analyzer_signals, 512, csr_csv="analyzer.csv")
            self.add_csr("analyzer")
コード例 #9
0
ファイル: xcu1525.py プロジェクト: wangqueping/litesata
    def __init__(self,
                 platform,
                 connector="qsfp",
                 gen="gen2",
                 with_analyzer=False):
        assert connector in ["qsfp", "pcie"]
        assert gen in ["gen1", "gen2", "gen3"]

        sys_clk_freq = int(187.5e6)
        sata_clk_freq = {"gen1": 75e6, "gen2": 150e6, "gen3": 300e6}[gen]

        # CRG --------------------------------------------------------------------------------------
        self.submodules.crg = _CRG(platform, sys_clk_freq)

        # SoCMini ----------------------------------------------------------------------------------
        SoCMini.__init__(self,
                         platform,
                         sys_clk_freq,
                         ident="LiteSATA bench on XCU1525",
                         ident_version=True,
                         with_uart=True,
                         uart_name="bridge")

        # SATA -------------------------------------------------------------------------------------
        # RefClk / Generate 150MHz from PLL.
        self.clock_domains.cd_sata_refclk = ClockDomain()
        self.crg.pll.create_clkout(self.cd_sata_refclk, 150e6, buf=None)
        sata_refclk = ClockSignal("sata_refclk")

        # PHY
        self.submodules.sata_phy = LiteSATAPHY(
            platform.device,
            refclk=sata_refclk,
            pads=platform.request(connector + "2sata"),
            gen=gen,
            clk_freq=sys_clk_freq,
            data_width=16)
        self.add_csr("sata_phy")

        # Core
        self.submodules.sata_core = LiteSATACore(self.sata_phy)

        # Crossbar
        self.submodules.sata_crossbar = LiteSATACrossbar(self.sata_core)

        # BIST
        self.submodules.sata_bist = LiteSATABIST(self.sata_crossbar,
                                                 with_csr=True)
        self.add_csr("sata_bist")

        # Timing constraints
        platform.add_period_constraint(self.sata_phy.crg.cd_sata_tx.clk,
                                       1e9 / sata_clk_freq)
        platform.add_period_constraint(self.sata_phy.crg.cd_sata_rx.clk,
                                       1e9 / sata_clk_freq)
        self.platform.add_false_path_constraints(
            self.crg.cd_sys.clk, self.sata_phy.crg.cd_sata_tx.clk,
            self.sata_phy.crg.cd_sata_rx.clk)

        # Leds -------------------------------------------------------------------------------------
        # sys_clk
        sys_counter = Signal(32)
        self.sync.sys += sys_counter.eq(sys_counter + 1)
        self.comb += platform.request("user_led", 0).eq(sys_counter[26])
        # rx_clk
        rx_counter = Signal(32)
        self.sync.sata_rx += rx_counter.eq(rx_counter + 1)
        self.comb += platform.request("user_led", 1).eq(rx_counter[26])
        # ready
        self.comb += platform.request("user_led",
                                      2).eq(self.sata_phy.ctrl.ready)

        # Analyzer ---------------------------------------------------------------------------------
        if with_analyzer:
            analyzer_signals = [
                self.sata_phy.phy.tx_init.fsm,
                self.sata_phy.phy.rx_init.fsm,
                self.sata_phy.ctrl.fsm,
                self.sata_phy.ctrl.ready,
                self.sata_phy.source,
                self.sata_phy.sink,
                self.sata_core.command.sink,
                self.sata_core.command.source,
                self.sata_core.link.rx.fsm,
                self.sata_core.link.tx.fsm,
                self.sata_core.transport.rx.fsm,
                self.sata_core.transport.tx.fsm,
                self.sata_core.command.rx.fsm,
                self.sata_core.command.tx.fsm,
            ]
            self.submodules.analyzer = LiteScopeAnalyzer(
                analyzer_signals, 512, csr_csv="analyzer.csv")
            self.add_csr("analyzer")
コード例 #10
0
ファイル: core.py プロジェクト: GotoHack/litesata
    def __init__(self,
                 platform,
                 design="base",
                 clk_freq=200 * 1000000,
                 nports=1,
                 ports_dw=32):
        self.clk_freq = clk_freq

        self.clock_domains.cd_sys = ClockDomain()
        self.comb += [
            self.cd_sys.clk.eq(platform.request("sys_clock")),
            self.cd_sys.rst.eq(platform.request("sys_reset"))
        ]

        if design == "base" or design == "bist":
            # SATA PHY/Core/frontend
            self.submodules.sata_phy = LiteSATAPHY(
                platform.device, platform.request("sata_clocks"),
                platform.request("sata"), "sata_gen3", clk_freq)
            self.sata_phys = [self.sata_phy]
            self.submodules.sata_core = LiteSATACore(self.sata_phy)
            self.submodules.sata_crossbar = LiteSATACrossbar(self.sata_core)

            if design == "bist":
                # BIST
                self.submodules.sata_bist = LiteSATABIST(self.sata_crossbar)
                generator = self.sata_bist.generator
                generator_pads = platform.request("generator")
                self.comb += [
                    generator.start.eq(generator_pads.start),
                    generator.sector.eq(generator_pads.sector),
                    generator.count.eq(generator_pads.count),
                    generator.random.eq(generator_pads.random),
                    generator_pads.done.eq(generator.done),
                    generator_pads.aborted.eq(generator.aborted),
                    generator_pads.errors.eq(generator.errors)
                ]

                checker = self.sata_bist.checker
                checker_pads = platform.request("checker")
                self.comb += [
                    checker.start.eq(checker_pads.start),
                    checker.sector.eq(checker_pads.sector),
                    checker.count.eq(checker_pads.count),
                    checker.random.eq(checker_pads.random),
                    checker_pads.done.eq(checker.done),
                    checker_pads.aborted.eq(checker.aborted),
                    checker_pads.errors.eq(checker.errors),
                ]

                identify = self.sata_bist.identify
                identify_pads = platform.request("identify")
                self.comb += [
                    identify.start.eq(identify_pads.start),
                    identify_pads.done.eq(identify.done),
                    identify_pads.source_valid.eq(identify.source.valid),
                    identify_pads.source_data.eq(identify.source.data),
                    identify.source.ready.eq(identify_pads.source_ready)
                ]

            self.specials += [
                Keep(ClockSignal("sata_rx")),
                Keep(ClockSignal("sata_tx"))
            ]

        elif design == "striping":
            self.nphys = 4
            # SATA PHYs
            self.sata_phys = []
            for i in range(self.nphys):
                sata_phy = LiteSATAPHY(
                    platform.device,
                    platform.request("sata_clocks")
                    if i == 0 else self.sata_phys[0].crg.refclk,
                    platform.request("sata", i), "sata_gen3", clk_freq)
                sata_phy = ClockDomainsRenamer({
                    "sata_rx":
                    "sata_rx{}".format(str(i)),
                    "sata_tx":
                    "sata_tx{}".format(str(i))
                })(sata_phy)
                setattr(self.submodules, "sata_phy{}".format(str(i)), sata_phy)
                self.sata_phys.append(sata_phy)

            # SATA Cores
            self.sata_cores = []
            for i in range(self.nphys):
                sata_core = LiteSATACore(self.sata_phys[i])
                setattr(self.submodules, "sata_core{}".format(str(i)),
                        sata_core)
                self.sata_cores.append(sata_core)

            # SATA Frontend
            self.submodules.sata_striping = LiteSATAStriping(self.sata_cores)
            self.submodules.sata_crossbar = LiteSATACrossbar(
                self.sata_striping)

            for i in range(len(self.sata_phys)):
                self.specials += [
                    Keep(ClockSignal("sata_rx{}".format(str(i)))),
                    Keep(ClockSignal("sata_tx{}".format(str(i))))
                ]

        else:
            ValueError("Unknown design " + design)

        # CRG / Ctrl ready
        crg_ready_pads = platform.request("crg_ready")
        ctrl_ready_pads = platform.request("ctrl_ready")
        for i, sata_phy in enumerate(self.sata_phys):
            self.comb += [
                crg_ready_pads[i].eq(sata_phy.crg.ready),
                ctrl_ready_pads[i].eq(sata_phy.ctrl.ready)
            ]

        # Get user ports from crossbar
        self.user_ports = self.sata_crossbar.get_ports(nports, ports_dw)
        for i, user_port in enumerate(self.user_ports):
            user_port_pads = platform.request("user_port", i + 1)
            self.comb += [
                user_port.sink.valid.eq(user_port_pads.sink_valid),
                user_port.sink.last.eq(user_port_pads.sink_last),
                user_port.sink.write.eq(user_port_pads.sink_write),
                user_port.sink.read.eq(user_port_pads.sink_read),
                user_port.sink.identify.eq(user_port_pads.sink_identify),
                user_port.sink.sector.eq(user_port_pads.sink_sector),
                user_port.sink.count.eq(user_port_pads.sink_count),
                user_port_pads.sink_ready.eq(user_port.sink.ready),
            ]
            self.comb += [
                user_port_pads.source_valid.eq(user_port.source.valid),
                user_port_pads.source_last.eq(user_port.source.last),
                user_port_pads.source_write.eq(user_port.source.write),
                user_port_pads.source_read.eq(user_port.source.read),
                user_port_pads.source_identify.eq(user_port.source.identify),
                user_port_pads.source_end.eq(user_port.source.end),
                user_port_pads.source_failed.eq(user_port.source.failed),
                user_port_pads.source_data.eq(user_port.source.data),
                user_port.source.ready.eq(user_port_pads.source_ready),
            ]
コード例 #11
0
ファイル: mirroring.py プロジェクト: PizzaShift/litesata
    def __init__(self, platform, revision="sata_gen3", data_width=16, nphys=4):
        self.nphys = nphys
        sys_clk_freq = int(200e6)
        SoCMini.__init__(self,
                         platform,
                         sys_clk_freq,
                         csr_data_width=32,
                         ident="LiteSATA example design",
                         ident_version=True)

        # Serial Bridge ----------------------------------------------------------------------------
        self.submodules.bridge = UARTWishboneBridge(platform.request("serial"),
                                                    sys_clk_freq,
                                                    baudrate=115200)
        self.add_wb_master(self.bridge.wishbone)
        self.submodules.crg = CRG(platform)

        # SATA PHYs --------------------------------------------------------------------------------
        self.sata_phys = []
        for i in range(self.nphys):
            sata_phy = LiteSATAPHY(
                platform.device,
                platform.request("sata_clocks")
                if i == 0 else self.sata_phys[0].crg.refclk,
                platform.request("sata", i), revision, sys_clk_freq,
                data_width)
            sata_phy = ClockDomainsRenamer({
                "sata_rx":
                "sata_rx{}".format(str(i)),
                "sata_tx":
                "sata_tx{}".format(str(i))
            })(sata_phy)
            setattr(self.submodules, "sata_phy{}".format(str(i)), sata_phy)
            self.sata_phys.append(sata_phy)

        # SATA Cores -------------------------------------------------------------------------------
        self.sata_cores = []
        for i in range(self.nphys):
            sata_core = LiteSATACore(self.sata_phys[i])
            setattr(self.submodules, "sata_core{}".format(str(i)), sata_core)
            self.sata_cores.append(sata_core)

        # SATA Frontend ----------------------------------------------------------------------------
        self.submodules.sata_mirroring = LiteSATAMirroring(self.sata_cores)
        self.sata_crossbars = []
        for i in range(self.nphys):
            sata_crossbar = LiteSATACrossbar(self.sata_mirroring.ports[i])
            setattr(self.submodules, "sata_crossbar{}".format(str(i)),
                    sata_crossbar)
            self.sata_crossbars.append(sata_crossbar)

        # SATA Application -------------------------------------------------------------------------
        self.sata_bists = []
        for i in range(self.nphys):
            sata_bist = LiteSATABIST(self.sata_crossbars[i], with_csr=True)
            setattr(self.submodules, "sata_bist{}".format(str(i)), sata_bist)
            self.sata_bists.append(sata_bist)
            self.add_csr("sata_bist" + str(i))

        # Status Leds ------------------------------------------------------------------------------
        self.submodules.status_leds = StatusLeds(platform, self.sata_phys)

        # Timing constraints -----------------------------------------------------------------------
        platform.add_platform_command("""
create_clock -name sys_clk -period 5 [get_nets sys_clk]
""")

        for i in range(len(self.sata_phys)):
            self.sata_phys[i].crg.cd_sata_rx.clk.attr.add("keep")
            self.sata_phys[i].crg.cd_sata_tx.clk.attr.add("keep")
            platform.add_platform_command("""
create_clock -name {sata_rx_clk} -period {sata_clk_period} [get_nets {sata_rx_clk}]
create_clock -name {sata_tx_clk} -period {sata_clk_period} [get_nets {sata_tx_clk}]

set_false_path -from [get_clocks sys_clk] -to [get_clocks {sata_rx_clk}]
set_false_path -from [get_clocks sys_clk] -to [get_clocks {sata_tx_clk}]
set_false_path -from [get_clocks {sata_rx_clk}] -to [get_clocks sys_clk]
set_false_path -from [get_clocks {sata_tx_clk}] -to [get_clocks sys_clk]
""".format(sata_rx_clk="sata_rx{}_clk".format(str(i)),
            sata_tx_clk="sata_tx{}_clk".format(str(i)),
            sata_clk_period="3.3" if data_width == 16 else "6.6"))
コード例 #12
0
ファイル: gen.py プロジェクト: wangqueping/litesata
    def __init__(self, platform, core_config):
        platform.add_extension(get_sata_ios())
        platform.add_extension(get_ctrl_ios())
        sys_clk_freq = int(float(core_config.get("clk_freq")))
        sata_clk_freq = {"gen1": 75e6, "gen2": 150e6, "gen3": 300e6}[core_config["gen"]]

        # SoCMini ----------------------------------------------------------------------------------
        SoCMini.__init__(self, platform, clk_freq=sys_clk_freq,
            csr_data_width = 32,
            ident          = "LiteSATA standalone core",
            ident_version  = True
        )

        # CRG --------------------------------------------------------------------------------------
        self.submodules.crg = LiteSATACRG(platform, sys_clk_freq)

        # SATA PHY ---------------------------------------------------------------------------------
        self.submodules.sata_phy = LiteSATAPHY(platform.device,
            pads       = platform.request("sata"),
            gen        = core_config["gen"],
            clk_freq   = sys_clk_freq,
            data_width = 16,
            with_csr   = False)
        self.comb += self.sata_phy.enable.eq(platform.request("enable"))
        self.comb += platform.request("ready").eq(self.sata_phy.ready)

        # SATA Core --------------------------------------------------------------------------------
        self.submodules.sata_core = LiteSATACore(self.sata_phy)

        # SATA Crossbar ----------------------------------------------------------------------------
        self.submodules.sata_crossbar = LiteSATACrossbar(self.sata_core)

        # SATA User Ports --------------------------------------------------------------------------
        for name, port in core_config["user_ports"].items():
            # Native
            if port["type"] == "native":
                assert port["data_width"] == 32
                user_port = self.sata_crossbar.get_port()
                platform.add_extension(get_native_user_port_ios(name))
                user_port_pads = platform.request("user_port_{}".format(name))

                self.comb += [
                    user_port.sink.valid.eq(user_port_pads.sink_valid),
                    user_port.sink.last.eq(user_port_pads.sink_last),
                    user_port.sink.write.eq(user_port_pads.sink_write),
                    user_port.sink.read.eq(user_port_pads.sink_read),
                    user_port.sink.identify.eq(user_port_pads.sink_identify),
                    user_port.sink.sector.eq(user_port_pads.sink_sector),
                    user_port.sink.count.eq(user_port_pads.sink_count),

                    user_port_pads.sink_ready.eq(user_port.sink.ready),
                ]

                self.comb += [
                    user_port_pads.source_valid.eq(user_port.source.valid),
                    user_port_pads.source_last.eq(user_port.source.last),
                    user_port_pads.source_write.eq(user_port.source.write),
                    user_port_pads.source_read.eq(user_port.source.read),
                    user_port_pads.source_identify.eq(user_port.source.identify),
                    user_port_pads.source_end.eq(user_port.source.end),
                    user_port_pads.source_failed.eq(user_port.source.failed),
                    user_port_pads.source_data.eq(user_port.source.data),

                    user_port.source.ready.eq(user_port_pads.source_ready),
                ]
            else:
                raise ValueError("Unsupported port type: {}".format(port["type"]))


        # Timing constraints
        platform.add_period_constraint(self.sata_phy.crg.cd_sata_tx.clk, 1e9/sata_clk_freq)
        platform.add_period_constraint(self.sata_phy.crg.cd_sata_rx.clk, 1e9/sata_clk_freq)
        self.platform.add_false_path_constraints(
            self.crg.cd_sys.clk,
            self.sata_phy.crg.cd_sata_tx.clk,
            self.sata_phy.crg.cd_sata_rx.clk)
コード例 #13
0
    def __init__(self,
                 sys_clk_freq=int(150e6),
                 with_ethernet=False,
                 with_sata=False,
                 **kwargs):
        platform = kc705.Platform()

        # SoCCore ----------------------------------------------------------------------------------
        SoCCore.__init__(self,
                         platform,
                         sys_clk_freq,
                         ident="LiteX SoC on KC705",
                         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 = s7ddrphy.K7DDRPHY(
                platform.request("ddram"),
                memtype="DDR3",
                nphases=4,
                sys_clk_freq=sys_clk_freq)
            self.add_csr("ddrphy")
            self.add_sdram("sdram",
                           phy=self.ddrphy,
                           module=MT8JTF12864(sys_clk_freq, "1:4"),
                           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 = LiteEthPHY(
                clock_pads=self.platform.request("eth_clocks"),
                pads=self.platform.request("eth"),
                clk_freq=self.clk_freq)
            self.add_csr("ethphy")
            self.add_ethernet(phy=self.ethphy)

        # SATA (Experimental) ----------------------------------------------------------------------
        if with_sata:
            from litex.build.generic_platform import Subsignal, Pins
            from litex.soc.interconnect import wishbone
            from litesata.phy import LiteSATAPHY
            from litesata.core import LiteSATACore
            from litesata.frontend.arbitration import LiteSATACrossbar
            from litesata.frontend.dma import LiteSATABlock2MemDMA

            # IOs
            _sata_io = [
                # SFP 2 SATA Adapter / https://shop.trenz-electronic.de/en/TE0424-01-SFP-2-SATA-Adapter
                (
                    "sfp",
                    0,
                    Subsignal("txp", Pins("H2")),
                    Subsignal("txn", Pins("H1")),
                    Subsignal("rxp", Pins("G4")),
                    Subsignal("rxn", Pins("G3")),
                ),
            ]
            platform.add_extension(_sata_io)

            # RefClk, Generate 150MHz from PLL.
            self.clock_domains.cd_sata_refclk = ClockDomain()
            self.crg.pll.create_clkout(self.cd_sata_refclk, 150e6)
            sata_refclk = ClockSignal("sata_refclk")
            platform.add_platform_command(
                "set_property SEVERITY {{Warning}} [get_drc_checks REQP-52]")

            # PHY
            self.submodules.sata_phy = LiteSATAPHY(
                platform.device,
                refclk=sata_refclk,
                pads=platform.request("sfp"),
                gen="gen1",
                clk_freq=sys_clk_freq,
                data_width=16)

            # Core
            self.submodules.sata_core = LiteSATACore(self.sata_phy)

            # Crossbar
            self.submodules.sata_crossbar = LiteSATACrossbar(self.sata_core)

            # Block2Mem DMA
            bus = wishbone.Interface(data_width=32, adr_width=32)
            self.submodules.sata_block2mem = LiteSATABlock2MemDMA(
                user_port=self.sata_crossbar.get_port(),
                bus=bus,
                endianness=self.cpu.endianness)
            self.bus.add_master("sata_block2mem", master=bus)
            self.add_csr("sata_block2mem")

            # Timing constraints
            platform.add_period_constraint(self.sata_phy.crg.cd_sata_tx.clk,
                                           1e9 / 75e6)
            platform.add_period_constraint(self.sata_phy.crg.cd_sata_tx.clk,
                                           1e9 / 75e6)
            self.platform.add_false_path_constraints(
                self.crg.cd_sys.clk, self.sata_phy.crg.cd_sata_tx.clk,
                self.sata_phy.crg.cd_sata_tx.clk)

        # Leds -------------------------------------------------------------------------------------
        self.submodules.leds = LedChaser(pads=platform.request_all("user_led"),
                                         sys_clk_freq=sys_clk_freq)
        self.add_csr("leds")
コード例 #14
0
ファイル: kc705.py プロジェクト: quiatvn/litesata
    def __init__(self,
                 platform,
                 connector="fmc",
                 gen="gen3",
                 data_width=16,
                 with_analyzer=False):
        assert connector in ["fmc", "sfp", "pcie"]
        assert gen in ["gen1", "gen2", "gen3"]
        sys_clk_freq = int(200e6)

        # CRG --------------------------------------------------------------------------------------
        self.submodules.crg = _CRG(platform, sys_clk_freq)

        # SoCMini ----------------------------------------------------------------------------------
        SoCMini.__init__(
            self,
            platform,
            sys_clk_freq,
            integrated_sram_size=0x1000,
            ident="LiteSATA bench on KC705",
            ident_version=True,
            with_uart=True,
            uart_name="bridge",
        )

        # SATA -------------------------------------------------------------------------------------
        # RefClk
        if connector == "fmc":
            # Use 150MHz refclk provided by FMC.
            sata_refclk = platform.request("fmc_refclk")
        else:
            # Generate 150MHz from PLL.
            self.clock_domains.cd_sata_refclk = ClockDomain()
            self.crg.pll.create_clkout(self.cd_sata_refclk, 150e6)
            sata_refclk = ClockSignal("sata_refclk")
            platform.add_platform_command(
                "set_property SEVERITY {{Warning}} [get_drc_checks REQP-52]")

        # PHY
        self.submodules.sata_phy = LiteSATAPHY(
            platform.device,
            refclk=sata_refclk,
            pads=platform.request(connector),
            gen=gen,
            clk_freq=sys_clk_freq,
            data_width=data_width)

        # Core
        self.submodules.sata_core = LiteSATACore(self.sata_phy)

        # Crossbar
        self.submodules.sata_crossbar = LiteSATACrossbar(self.sata_core)

        # BIST
        self.submodules.sata_bist = LiteSATABIST(self.sata_crossbar,
                                                 with_csr=True)
        self.add_csr("sata_bist")

        # Block2Mem DMA
        bus = wishbone.Interface(data_width=32, adr_width=32)
        self.submodules.sata_block2mem = LiteSATABlock2MemDMA(
            self.sata_crossbar.get_port(), bus)
        self.bus.add_master("sata_block2mem", master=bus)
        self.add_csr("sata_block2mem")

        # Timing constraints
        platform.add_period_constraint(
            self.sata_phy.crg.cd_sata_tx.clk,
            1e9 / 300e6 if data_width == 16 else 1e9 / 150e6)
        platform.add_period_constraint(
            self.sata_phy.crg.cd_sata_tx.clk,
            1e9 / 300e6 if data_width == 16 else 1e9 / 150e6)
        self.platform.add_false_path_constraints(
            self.crg.cd_sys.clk, self.sata_phy.crg.cd_sata_tx.clk,
            self.sata_phy.crg.cd_sata_tx.clk)

        # Leds -------------------------------------------------------------------------------------
        # sys_clk
        sys_counter = Signal(32)
        self.sync.sys += sys_counter.eq(sys_counter + 1)
        self.comb += platform.request("user_led", 0).eq(sys_counter[26])
        # tx_clk
        tx_counter = Signal(32)
        self.sync.sata_tx += tx_counter.eq(tx_counter + 1)
        self.comb += platform.request("user_led", 1).eq(tx_counter[26])
        # rx_clk
        rx_counter = Signal(32)
        self.sync.sata_rx += rx_counter.eq(rx_counter + 1)
        self.comb += platform.request("user_led", 2).eq(rx_counter[26])
        # ready
        self.comb += platform.request("user_led",
                                      3).eq(self.sata_phy.ctrl.ready)

        # Analyzer ---------------------------------------------------------------------------------
        if with_analyzer:
            analyzer_signals = [
                self.sata_phy.phy.tx_init.fsm,
                self.sata_phy.phy.rx_init.fsm,
                self.sata_phy.ctrl.fsm,
                self.sata_phy.ctrl.ready,
                self.sata_phy.source,
                self.sata_phy.sink,
                self.sata_core.command.sink,
                self.sata_core.command.source,
                self.sata_core.link.rx.fsm,
                self.sata_core.link.tx.fsm,
                self.sata_core.transport.rx.fsm,
                self.sata_core.transport.tx.fsm,
                self.sata_core.command.rx.fsm,
                self.sata_core.command.tx.fsm,
            ]
            self.submodules.analyzer = LiteScopeAnalyzer(
                analyzer_signals, 512, csr_csv="analyzer.csv")
            self.add_csr("analyzer")
コード例 #15
0
ファイル: kc705.py プロジェクト: wangqueping/litesata
    def __init__(self, platform, connector="fmc", gen="gen3",
        with_global_analyzer     = False,
        with_sector2mem_analyzer = False,
        with_mem2sector_analyzer = False):
        assert connector in ["fmc", "sfp", "pcie"]
        assert gen in ["gen1", "gen2", "gen3"]
        sys_clk_freq  = int(200e6)
        sata_clk_freq = {"gen1": 75e6, "gen2": 150e6, "gen3": 300e6}[gen]

        # CRG --------------------------------------------------------------------------------------
        self.submodules.crg = _CRG(platform, sys_clk_freq)

        # SoCMini ----------------------------------------------------------------------------------
        SoCMini.__init__(self, platform, sys_clk_freq,
            ident         = "LiteSATA bench on KC705",
            ident_version = True,
            with_uart     = True,
            uart_name     = "bridge")

        # SATA -------------------------------------------------------------------------------------
        # RefClk
        sata_refclk = None
        if connector != "fmc":
            # Generate 150MHz from PLL.
            self.clock_domains.cd_sata_refclk = ClockDomain()
            self.crg.pll.create_clkout(self.cd_sata_refclk, 150e6)
            sata_refclk = ClockSignal("sata_refclk")
            platform.add_platform_command("set_property SEVERITY {{Warning}} [get_drc_checks REQP-52]")

        # PHY
        self.submodules.sata_phy = LiteSATAPHY(platform.device,
            refclk     = sata_refclk,
            pads       = platform.request(connector+"2sata"),
            gen        = gen,
            clk_freq   = sys_clk_freq,
            data_width = 16)
        self.add_csr("sata_phy")

        # Core
        self.submodules.sata_core = LiteSATACore(self.sata_phy)

        # Crossbar
        self.submodules.sata_crossbar = LiteSATACrossbar(self.sata_core)

        # BIST
        self.submodules.sata_bist = LiteSATABIST(self.sata_crossbar, with_csr=True)
        self.add_csr("sata_bist")

        # Sector2Mem DMA
        bus =  wishbone.Interface(data_width=32, adr_width=32)
        self.submodules.sata_sector2mem = LiteSATASector2MemDMA(self.sata_crossbar.get_port(), bus)
        self.bus.add_master("sata_sector2mem", master=bus)
        self.add_csr("sata_sector2mem")

        # Mem2Sector DMA
        bus =  wishbone.Interface(data_width=32, adr_width=32)
        self.submodules.sata_mem2sector = LiteSATAMem2SectorDMA(bus, self.sata_crossbar.get_port())
        self.bus.add_master("sata_mem2sector", master=bus)
        self.add_csr("sata_mem2sector")

        # Timing constraints
        platform.add_period_constraint(self.sata_phy.crg.cd_sata_tx.clk, 1e9/sata_clk_freq)
        platform.add_period_constraint(self.sata_phy.crg.cd_sata_rx.clk, 1e9/sata_clk_freq)
        self.platform.add_false_path_constraints(
            self.crg.cd_sys.clk,
            self.sata_phy.crg.cd_sata_tx.clk,
            self.sata_phy.crg.cd_sata_rx.clk)

        # Leds -------------------------------------------------------------------------------------
        # sys_clk
        sys_counter = Signal(32)
        self.sync.sys += sys_counter.eq(sys_counter + 1)
        self.comb += platform.request("user_led", 0).eq(sys_counter[26])
        # tx_clk
        tx_counter = Signal(32)
        self.sync.sata_tx += tx_counter.eq(tx_counter + 1)
        self.comb += platform.request("user_led", 1).eq(tx_counter[26])
        # rx_clk
        rx_counter = Signal(32)
        self.sync.sata_rx += rx_counter.eq(rx_counter + 1)
        self.comb += platform.request("user_led", 2).eq(rx_counter[26])
        # ready
        self.comb += platform.request("user_led", 3).eq(self.sata_phy.ctrl.ready)

        # Analyzers ---------------------------------------------------------------------------------
        if with_global_analyzer:
            analyzer_signals = [
                self.sata_phy.phy.tx_init.fsm,
                self.sata_phy.phy.rx_init.fsm,
                self.sata_phy.ctrl.fsm,

                self.sata_phy.ctrl.ready,
                self.sata_phy.source,
                self.sata_phy.sink,

                self.sata_core.command.sink,
                self.sata_core.command.source,

                self.sata_core.link.rx.fsm,
                self.sata_core.link.tx.fsm,
                self.sata_core.transport.rx.fsm,
                self.sata_core.transport.tx.fsm,
                self.sata_core.command.rx.fsm,
                self.sata_core.command.tx.fsm,
            ]
            self.submodules.global_analyzer = LiteScopeAnalyzer(analyzer_signals, 512, csr_csv="global_analyzer.csv")
            self.add_csr("global_analyzer")

        if with_sector2mem_analyzer:
            analyzer_signals = [
                self.sata_sector2mem.start.re,
                self.sata_sector2mem.fsm,
                self.sata_sector2mem.port.sink,
                self.sata_sector2mem.port.source,
                self.sata_sector2mem.bus,
            ]
            self.submodules.sector2mem_analyzer = LiteScopeAnalyzer(analyzer_signals, 2048, csr_csv="sector2mem_analyzer.csv")
            self.add_csr("sector2mem_analyzer")

        if with_mem2sector_analyzer:
            analyzer_signals = [
                self.sata_mem2sector.start.re,
                self.sata_mem2sector.fsm,
                self.sata_mem2sector.port.sink,
                self.sata_mem2sector.port.source,
                self.sata_mem2sector.bus,
            ]
            self.submodules.mem2sector_analyzer = LiteScopeAnalyzer(analyzer_signals, 2048, csr_csv="mem2sector_analyzer.csv")
            self.add_csr("mem2sector_analyzer")
コード例 #16
0
    def __init__(self, platform, revision="sata_gen3", trx_dw=16, nphys=4):
        self.nphys = nphys
        clk_freq = 200 * 1000000
        SoCCore.__init__(self,
                         platform,
                         clk_freq,
                         cpu_type=None,
                         csr_data_width=32,
                         with_uart=False,
                         ident="LiteSATA 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)

        # SATA PHYs
        self.sata_phys = []
        for i in range(self.nphys):
            sata_phy = LiteSATAPHY(
                platform.device,
                platform.request("sata_clocks")
                if i == 0 else self.sata_phys[0].crg.refclk,
                platform.request("sata", i), revision, clk_freq, trx_dw)
            sata_phy = ClockDomainsRenamer({
                "sata_rx":
                "sata_rx{}".format(str(i)),
                "sata_tx":
                "sata_tx{}".format(str(i))
            })(sata_phy)
            setattr(self.submodules, "sata_phy{}".format(str(i)), sata_phy)
            self.sata_phys.append(sata_phy)

        # SATA Cores
        self.sata_cores = []
        for i in range(self.nphys):
            sata_core = LiteSATACore(self.sata_phys[i])
            setattr(self.submodules, "sata_core{}".format(str(i)), sata_core)
            self.sata_cores.append(sata_core)

        # SATA Frontend
        self.submodules.sata_mirroring = LiteSATAMirroring(self.sata_cores)
        self.sata_crossbars = []
        for i in range(self.nphys):
            sata_crossbar = LiteSATACrossbar(self.sata_mirroring.ports[i])
            setattr(self.submodules, "sata_crossbar{}".format(str(i)),
                    sata_crossbar)
            self.sata_crossbars.append(sata_crossbar)

        # SATA Application
        self.sata_bists = []
        for i in range(self.nphys):
            sata_bist = LiteSATABIST(self.sata_crossbars[i], with_csr=True)
            setattr(self.submodules, "sata_bist{}".format(str(i)), sata_bist)
            self.sata_bists.append(sata_bist)

        # Status Leds
        self.submodules.status_leds = StatusLeds(platform, self.sata_phys)

        platform.add_platform_command("""
create_clock -name sys_clk -period 5 [get_nets sys_clk]
""")

        for i in range(len(self.sata_phys)):
            self.specials += [
                Keep(ClockSignal("sata_rx{}".format(str(i)))),
                Keep(ClockSignal("sata_tx{}".format(str(i))))
            ]
            platform.add_platform_command("""
create_clock -name {sata_rx_clk} -period {sata_clk_period} [get_nets {sata_rx_clk}]
create_clock -name {sata_tx_clk} -period {sata_clk_period} [get_nets {sata_tx_clk}]

set_false_path -from [get_clocks sys_clk] -to [get_clocks {sata_rx_clk}]
set_false_path -from [get_clocks sys_clk] -to [get_clocks {sata_tx_clk}]
set_false_path -from [get_clocks {sata_rx_clk}] -to [get_clocks sys_clk]
set_false_path -from [get_clocks {sata_tx_clk}] -to [get_clocks sys_clk]
""".format(sata_rx_clk="sata_rx{}_clk".format(str(i)),
            sata_tx_clk="sata_tx{}_clk".format(str(i)),
            sata_clk_period="3.3" if trx_dw == 16 else "6.6"))
コード例 #17
0
ファイル: nexys_video.py プロジェクト: quiatvn/litesata
    def __init__(self,
                 platform,
                 gen="gen2",
                 data_width=16,
                 with_analyzer=False):
        assert gen in ["gen1", "gen2"]
        sys_clk_freq = int(100e6)

        # CRG --------------------------------------------------------------------------------------
        self.submodules.crg = _CRG(platform, sys_clk_freq)

        # SoCMini ----------------------------------------------------------------------------------
        SoCMini.__init__(self,
                         platform,
                         sys_clk_freq,
                         ident="LiteSATA bench on Nexys Video",
                         ident_version=True,
                         with_uart=True,
                         uart_name="bridge")

        # SATA -------------------------------------------------------------------------------------
        # PHY
        self.submodules.sata_phy = LiteSATAPHY(
            platform.device,
            refclk=platform.request(
                "fmc_refclk"),  # Use 150MHz refclk provided by FMC.
            pads=platform.request("fmc"),
            gen=gen,
            clk_freq=sys_clk_freq,
            data_width=data_width)

        # Core
        self.submodules.sata_core = LiteSATACore(self.sata_phy)

        # Crossbar
        self.submodules.sata_crossbar = LiteSATACrossbar(self.sata_core)

        # BIST
        self.submodules.sata_bist = LiteSATABIST(self.sata_crossbar,
                                                 with_csr=True)
        self.add_csr("sata_bist")

        # Timing constraints
        platform.add_period_constraint(
            self.sata_phy.crg.cd_sata_tx.clk,
            1e9 / 150e6 if data_width == 16 else 1e9 / 75e6)
        platform.add_period_constraint(
            self.sata_phy.crg.cd_sata_tx.clk,
            1e9 / 150e6 if data_width == 16 else 1e9 / 75e6)
        self.platform.add_false_path_constraints(
            self.crg.cd_sys.clk, self.sata_phy.crg.cd_sata_tx.clk,
            self.sata_phy.crg.cd_sata_tx.clk)

        # Leds -------------------------------------------------------------------------------------
        # sys_clk
        sys_counter = Signal(32)
        self.sync.sys += sys_counter.eq(sys_counter + 1)
        self.comb += platform.request("user_led", 0).eq(sys_counter[26])
        # tx_clk
        tx_counter = Signal(32)
        self.sync.sata_tx += tx_counter.eq(tx_counter + 1)
        self.comb += platform.request("user_led", 1).eq(tx_counter[26])
        # rx_clk
        rx_counter = Signal(32)
        self.sync.sata_rx += rx_counter.eq(rx_counter + 1)
        self.comb += platform.request("user_led", 2).eq(rx_counter[26])
        # ready
        self.comb += platform.request("user_led",
                                      3).eq(self.sata_phy.ctrl.ready)

        # Analyzer ---------------------------------------------------------------------------------
        if with_analyzer:
            analyzer_signals = [
                self.sata_phy.phy.tx_init.fsm,
                self.sata_phy.phy.rx_init.fsm,
                self.sata_phy.ctrl.fsm,
                self.sata_phy.ctrl.ready,
                self.sata_phy.source,
                self.sata_phy.sink,
                self.sata_core.command.sink,
                self.sata_core.command.source,
                self.sata_core.link.rx.fsm,
                self.sata_core.link.tx.fsm,
                self.sata_core.transport.rx.fsm,
                self.sata_core.transport.tx.fsm,
                self.sata_core.command.rx.fsm,
                self.sata_core.command.tx.fsm,
            ]
            self.submodules.analyzer = LiteScopeAnalyzer(
                analyzer_signals, 512, csr_csv="analyzer.csv")
            self.add_csr("analyzer")
コード例 #18
0
    def __init__(self, platform, port=0, gen="gen2", with_analyzer=False):
        assert gen in ["gen1", "gen2"]
        sys_clk_freq = int(100e6)
        sata_clk_freq = {"gen1": 75e6, "gen2": 150e6}[gen]

        # CRG --------------------------------------------------------------------------------------
        self.submodules.crg = _CRG(platform, sys_clk_freq)

        # SoCMini ----------------------------------------------------------------------------------
        SoCMini.__init__(self,
                         platform,
                         sys_clk_freq,
                         ident="LiteSATA bench on Axiom Beta SATA",
                         ident_version=True)

        # JTAGBone ---------------------------------------------------------------------------------
        self.add_jtagbone()

        # SATA -------------------------------------------------------------------------------------
        # PHY
        self.submodules.sata_phy = LiteSATAPHY(platform.device,
                                               pads=platform.request(
                                                   "sata", port),
                                               gen=gen,
                                               clk_freq=sys_clk_freq,
                                               data_width=16)
        self.add_csr("sata_phy")

        # Core
        self.submodules.sata_core = LiteSATACore(self.sata_phy)

        # Crossbar
        self.submodules.sata_crossbar = LiteSATACrossbar(self.sata_core)

        # BIST
        self.submodules.sata_bist = LiteSATABIST(self.sata_crossbar,
                                                 with_csr=True)
        self.add_csr("sata_bist")

        # Timing constraints
        platform.add_period_constraint(self.sata_phy.crg.cd_sata_tx.clk,
                                       1e9 / sata_clk_freq)
        platform.add_period_constraint(self.sata_phy.crg.cd_sata_rx.clk,
                                       1e9 / sata_clk_freq)
        self.platform.add_false_path_constraints(
            self.crg.cd_sys.clk, self.sata_phy.crg.cd_sata_tx.clk,
            self.sata_phy.crg.cd_sata_rx.clk)

        # Leds -------------------------------------------------------------------------------------
        # sys_clk
        sys_counter = Signal(32)
        self.sync.sys += sys_counter.eq(sys_counter + 1)
        self.comb += platform.request("user_led_n", 0).eq(~sys_counter[26])
        # tx_clk
        tx_counter = Signal(32)
        self.sync.sata_tx += tx_counter.eq(tx_counter + 1)
        self.comb += platform.request("user_led_n", 1).eq(~tx_counter[26])
        # rx_clk
        rx_counter = Signal(32)
        self.sync.sata_rx += rx_counter.eq(rx_counter + 1)
        self.comb += platform.request("user_led_n", 2).eq(~rx_counter[26])
        # ready
        self.comb += platform.request("module_led").eq(
            self.sata_phy.ctrl.ready)
        self.comb += platform.request("user_led_n",
                                      3).eq(~self.sata_phy.ctrl.ready)

        # Analyzer ---------------------------------------------------------------------------------
        if with_analyzer:
            analyzer_signals = [
                self.sata_phy.phy.tx_init.fsm,
                self.sata_phy.phy.rx_init.fsm,
                self.sata_phy.ctrl.fsm,
                self.sata_phy.ctrl.ready,
                self.sata_phy.source,
                self.sata_phy.sink,
                self.sata_core.command.sink,
                self.sata_core.command.source,
                self.sata_core.link.rx.fsm,
                self.sata_core.link.tx.fsm,
                self.sata_core.transport.rx.fsm,
                self.sata_core.transport.tx.fsm,
                self.sata_core.command.rx.fsm,
                self.sata_core.command.tx.fsm,
            ]
            self.submodules.analyzer = LiteScopeAnalyzer(
                analyzer_signals, 512, csr_csv="analyzer.csv")
            self.add_csr("analyzer")