Пример #1
0
    def __init__(self, sys_clk_freq=int(50e6), with_led_chaser=True, with_mister_sdram=True,
                 with_mister_video_terminal=False, sdram_rate="1:1", **kwargs):
        platform = de10nano.Platform()

        # SoCCore ----------------------------------------------------------------------------------
        SoCCore.__init__(self, platform, sys_clk_freq,
            ident          = "LiteX SoC on DE10-Nano",
            ident_version  = True,
            **kwargs)

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

        # SDR SDRAM --------------------------------------------------------------------------------
        if with_mister_sdram and not self.integrated_main_ram_size:
            sdrphy_cls = HalfRateGENSDRPHY if sdram_rate == "1:2" else GENSDRPHY
            self.submodules.sdrphy = sdrphy_cls(platform.request("sdram"), sys_clk_freq)
            self.add_sdram("sdram",
                phy           = self.sdrphy,
                module        = AS4C32M16(sys_clk_freq, sdram_rate),
                l2_cache_size = kwargs.get("l2_size", 8192)
            )

        # Video Terminal ---------------------------------------------------------------------------
        if with_mister_video_terminal:
            self.submodules.videophy = VideoVGAPHY(platform.request("vga"), clock_domain="vga")
            self.add_video_terminal(phy=self.videophy, timings="800x600@60Hz", clock_domain="vga")

        # Leds -------------------------------------------------------------------------------------
        if with_led_chaser:
            self.submodules.leds = LedChaser(
                pads         = platform.request_all("user_led"),
                sys_clk_freq = sys_clk_freq)
Пример #2
0
    def __init__(self, sys_clk_freq=int(50e6), **kwargs):
        platform = de10nano.Platform()

        # SoCCore ---------------------------------------------------------------------------------
        SoCCore.__init__(self, platform, clk_freq=sys_clk_freq, **kwargs)

        # CRG --------------------------------------------------------------------------------------
        self.submodules.crg = _CRG(platform, sys_clk_freq)
Пример #3
0
    def __init__(self,
                 sys_clk_freq=int(50e6),
                 with_mister_sdram=True,
                 with_mister_vga=False,
                 sdram_rate="1:1",
                 **kwargs):
        platform = de10nano.Platform()

        # SoCCore ----------------------------------------------------------------------------------
        SoCCore.__init__(self,
                         platform,
                         sys_clk_freq,
                         ident="LiteX SoC on DE10-Nano",
                         ident_version=True,
                         **kwargs)

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

        # SDR SDRAM --------------------------------------------------------------------------------
        if with_mister_sdram and not self.integrated_main_ram_size:
            sdrphy_cls = HalfRateGENSDRPHY if sdram_rate == "1:2" else GENSDRPHY
            self.submodules.sdrphy = sdrphy_cls(platform.request("sdram"))
            self.add_sdram("sdram",
                           phy=self.sdrphy,
                           module=AS4C32M16(sys_clk_freq, sdram_rate),
                           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)

        # VGA terminal -----------------------------------------------------------------------------
        if with_mister_vga:
            self.submodules.terminal = terminal = Terminal()
            self.bus.add_slave("terminal",
                               self.terminal.bus,
                               region=SoCRegion(origin=0x30000000,
                                                size=0x10000))
            vga_pads = platform.request("vga")
            self.comb += [
                vga_pads.vsync.eq(terminal.vsync),
                vga_pads.hsync.eq(terminal.hsync),
                vga_pads.red.eq(terminal.red[2:8]),
                vga_pads.green.eq(terminal.green[2:8]),
                vga_pads.blue.eq(terminal.blue[2:8])
            ]

        # Leds -------------------------------------------------------------------------------------
        self.submodules.leds = LedChaser(
            pads=Cat(*[platform.request("user_led", i) for i in range(8)]),
            sys_clk_freq=sys_clk_freq)
        self.add_csr("leds")
Пример #4
0
    def __init__(self, sys_clk_freq=int(50e6), **kwargs):
        platform = de10nano.Platform()

        # SoCCore ---------------------------------------------------------------------------------
        SoCCore.__init__(self, platform, clk_freq=sys_clk_freq, **kwargs)

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

        # Leds -------------------------------------------------------------------------------------
        self.submodules.leds = LedChaser(
            pads         = Cat(*[platform.request("user_led", i) for i in range(6)]),
            sys_clk_freq = sys_clk_freq)
        self.add_csr("leds")
Пример #5
0
    def __init__(self, sys_clk_freq=int(50e6), **kwargs):
        assert sys_clk_freq == int(50e6)
        platform = de10nano.Platform()

        # SoCSDRAM ---------------------------------------------------------------------------------
        SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq, **kwargs)

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

        # SDR SDRAM --------------------------------------------------------------------------------
        if not self.integrated_main_ram_size:
            self.submodules.sdrphy = GENSDRPHY(platform.request("sdram"))
            sdram_module = AS4C16M16(self.clk_freq, "1:1")
            self.register_sdram(self.sdrphy,
                geom_settings   = sdram_module.geom_settings,
                timing_settings = sdram_module.timing_settings)
Пример #6
0
    def __init__(self, sys_clk_freq=int(50e6), **kwargs):
        platform = de10nano.Platform()

        # SoCCore ----------------------------------------------------------------------------------
        SoCCore.__init__(self, platform, clk_freq=sys_clk_freq, **kwargs)

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

        # SDR SDRAM --------------------------------------------------------------------------------
        if not self.integrated_main_ram_size:
            self.submodules.sdrphy = GENSDRPHY(platform.request("sdram"))
            self.add_sdram("sdram",
                phy                     = self.sdrphy,
                module                  = AS4C16M16(self.clk_freq, "1:1"),
                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
            )