def __init__(self, sys_clk_freq=int(75e6), with_ethernet=False, with_etherbone=False, with_led_chaser=True, with_video_terminal=False, with_video_framebuffer=False, **kwargs): platform = nexys4ddr.Platform() # SoCCore ----------------------------------_----------------------------------------------- SoCCore.__init__(self, platform, sys_clk_freq, ident="LiteX SoC on Nexys4DDR", **kwargs) # CRG -------------------------------------------------------------------------------------- self.submodules.crg = _CRG(platform, sys_clk_freq) # DDR2 SDRAM ------------------------------------------------------------------------------- if not self.integrated_main_ram_size: self.submodules.ddrphy = s7ddrphy.A7DDRPHY( platform.request("ddram"), memtype="DDR2", nphases=2, sys_clk_freq=sys_clk_freq) self.add_sdram("sdram", phy=self.ddrphy, module=MT47H64M16(sys_clk_freq, "1:2"), l2_cache_size=kwargs.get("l2_size", 8192)) # Ethernet / Etherbone --------------------------------------------------------------------- if with_ethernet or with_etherbone: self.submodules.ethphy = LiteEthPHYRMII( clock_pads=self.platform.request("eth_clocks"), pads=self.platform.request("eth")) if with_ethernet: self.add_ethernet(phy=self.ethphy) if with_etherbone: self.add_etherbone(phy=self.ethphy) # Video ------------------------------------------------------------------------------------ if with_video_terminal or with_video_framebuffer: self.submodules.videophy = VideoVGAPHY(platform.request("vga"), clock_domain="vga") if with_video_terminal: self.add_video_terminal(phy=self.videophy, timings="800x600@60Hz", clock_domain="vga") if with_video_framebuffer: self.add_video_framebuffer(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)
def __init__(self, sys_clk_freq=int(100e6), integrated_rom_size=0x8000, **kwargs): platform = nexys4ddr.Platform() # SoCSDRAM --------------------------------------------------------------------------------- SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq, integrated_rom_size=integrated_rom_size, integrated_sram_size=0x8000, **kwargs) # CRG -------------------------------------------------------------------------------------- self.submodules.crg = _CRG(platform, sys_clk_freq) # DDR2 SDRAM ------------------------------------------------------------------------------- if not self.integrated_main_ram_size: self.submodules.ddrphy = s7ddrphy.A7DDRPHY( platform.request("ddram"), memtype="DDR2", nphases=2, sys_clk_freq=sys_clk_freq) self.add_csr("ddrphy") sdram_module = MT47H64M16(sys_clk_freq, "1:2") self.register_sdram(self.ddrphy, geom_settings=sdram_module.geom_settings, timing_settings=sdram_module.timing_settings) self.add_constant("MEMTEST_ADDR_SIZE", 0) # FIXME
def __init__(self, sys_clk_freq=int(75e6), with_ethernet=False, **kwargs): platform = nexys4ddr.Platform() # SoCCore ----------------------------------_----------------------------------------------- SoCCore.__init__(self, platform, clk_freq=sys_clk_freq, **kwargs) # CRG -------------------------------------------------------------------------------------- self.submodules.crg = _CRG(platform, sys_clk_freq) # DDR2 SDRAM ------------------------------------------------------------------------------- if not self.integrated_main_ram_size: self.submodules.ddrphy = s7ddrphy.A7DDRPHY( platform.request("ddram"), memtype="DDR2", nphases=2, sys_clk_freq=sys_clk_freq) self.add_csr("ddrphy") self.add_sdram("sdram", phy=self.ddrphy, module=MT47H64M16(sys_clk_freq, "1:2"), 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 = LiteEthPHYRMII( clock_pads=self.platform.request("eth_clocks"), pads=self.platform.request("eth")) self.add_csr("ethphy") self.add_ethernet(phy=self.ethphy)
def __init__(self, sys_clk_freq=int(75e6), with_ethernet=False, with_vga=False, **kwargs): platform = nexys4ddr.Platform() # SoCCore ----------------------------------_----------------------------------------------- SoCCore.__init__(self, platform, sys_clk_freq, ident="LiteX SoC on Nexys4DDR", ident_version=True, **kwargs) # CRG -------------------------------------------------------------------------------------- self.submodules.crg = _CRG(platform, sys_clk_freq) # DDR2 SDRAM ------------------------------------------------------------------------------- if not self.integrated_main_ram_size: self.submodules.ddrphy = s7ddrphy.A7DDRPHY( platform.request("ddram"), memtype="DDR2", nphases=2, sys_clk_freq=sys_clk_freq) self.add_csr("ddrphy") self.add_sdram("sdram", phy=self.ddrphy, module=MT47H64M16(sys_clk_freq, "1:2"), 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 = LiteEthPHYRMII( clock_pads=self.platform.request("eth_clocks"), pads=self.platform.request("eth")) self.add_csr("ethphy") self.add_ethernet(phy=self.ethphy) # VGA terminal ----------------------------------------------------------------------------- if with_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[4:8]), vga_pads.green.eq(terminal.green[4:8]), vga_pads.blue.eq(terminal.blue[4:8]) ] # Leds ------------------------------------------------------------------------------------- self.submodules.leds = LedChaser(pads=platform.request_all("user_led"), sys_clk_freq=sys_clk_freq) self.add_csr("leds")