def __init__(self, sys_clk_freq=int(100e6), **kwargs): platform = arty_s7.Platform() # SoCCore ---------------------------------------------------------------------------------- SoCCore.__init__(self, platform, sys_clk_freq, ident = "LiteX SoC on Arty S7", 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.A7DDRPHY(platform.request("ddram"), memtype = "DDR3", nphases = 4, sys_clk_freq = sys_clk_freq, interface_type = "MEMORY") self.add_csr("ddrphy") self.add_sdram("sdram", phy = self.ddrphy, module = MT41K128M16(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 ) # Leds ------------------------------------------------------------------------------------- self.submodules.leds = LedChaser( pads = platform.request_all("user_led"), sys_clk_freq = sys_clk_freq) self.add_csr("leds")
def __init__(self, variant="s7-50", sys_clk_freq=int(100e6), **kwargs): platform = arty_s7.Platform(variant=variant) # SoCCore ---------------------------------------------------------------------------------- SoCCore.__init__(self, platform, sys_clk_freq, ident="LiteX SoC on Arty S7", 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.A7DDRPHY( platform.request("ddram"), memtype="DDR3", nphases=4, sys_clk_freq=sys_clk_freq) self.add_sdram("sdram", phy=self.ddrphy, module=MT41K128M16(sys_clk_freq, "1:4"), l2_cache_size=kwargs.get("l2_size", 8192)) # Leds ------------------------------------------------------------------------------------- self.submodules.leds = LedChaser(pads=platform.request_all("user_led"), sys_clk_freq=sys_clk_freq)
def __init__(self, variant="s7-50", sys_clk_freq=int(100e6), with_spi_flash=False, with_led_chaser=True, **kwargs): platform = arty_s7.Platform(variant=variant) # SoCCore ---------------------------------------------------------------------------------- SoCCore.__init__(self, platform, sys_clk_freq, ident="LiteX SoC on Arty S7", 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.A7DDRPHY( platform.request("ddram"), memtype="DDR3", nphases=4, sys_clk_freq=sys_clk_freq) self.add_sdram("sdram", phy=self.ddrphy, module=MT41K128M16(sys_clk_freq, "1:4"), l2_cache_size=kwargs.get("l2_size", 8192)) # SPI Flash -------------------------------------------------------------------------------- if with_spi_flash: from litespi.modules import S25FL128S from litespi.opcodes import SpiNorFlashOpCodes as Codes self.add_spi_flash(mode="4x", module=S25FL128S(Codes.READ_1_1_4), with_master=True) # Leds ------------------------------------------------------------------------------------- if with_led_chaser: self.submodules.leds = LedChaser( pads=platform.request_all("user_led"), sys_clk_freq=sys_clk_freq)