def __init__(self, sys_clk_freq=int(50e6), with_led_chaser=True, **kwargs):
platform = de1soc.Platform()
# SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(self,
platform,
sys_clk_freq,
ident="LiteX SoC on DE1-SoC",
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
# SDR SDRAM --------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.sdrphy = GENSDRPHY(platform.request("sdram"),
sys_clk_freq)
self.add_sdram("sdram",
phy=self.sdrphy,
module=IS42S16320(sys_clk_freq, "1:1"),
l2_cache_size=kwargs.get("l2_size", 8192))
# 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(50e6), **kwargs):
platform = de1soc.Platform()
# SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(self,
platform,
sys_clk_freq,
ident="LiteX SoC on DE1-SoC",
ident_version=True,
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
# SDR SDRAM --------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.sdrphy = GENSDRPHY(platform.request("sdram"),
sys_clk_freq)
self.add_sdram("sdram",
phy=self.sdrphy,
module=IS42S16320(sys_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)
def __init__(self, sys_clk_freq=int(50e6), **kwargs):
assert sys_clk_freq == int(50e6)
platform = de1soc.Platform()
SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq,
integrated_rom_size=0x8000,
**kwargs)
self.submodules.crg = _CRG(platform)
if not self.integrated_main_ram_size:
self.submodules.sdrphy = GENSDRPHY(platform.request("sdram"))
# ISSI IS42S16320D-7TL
sdram_module = IS42S16320(self.clk_freq, "1:1")
self.register_sdram(self.sdrphy,
sdram_module.geom_settings,
sdram_module.timing_settings)
