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(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,
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(75e6), with_ethernet=False, **kwargs):
platform = nexys4ddr.Platform()
# SoCSDRAM ---------------------------------------------------------------------------------
SoCSDRAM.__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")
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)
# Ethernet ---------------------------------------------------------------------------------
if with_ethernet:
self.submodules.ethphy = LiteEthPHYRMII(
clock_pads=self.platform.request("eth_clocks"),
pads=self.platform.request("eth"))
self.add_ethernet(phy=self.ethphy)
def __init__(self, with_ethernet=True, with_etherbone=False, eth_phy=0, **kwargs):
sys_clk_freq = int(75e6)
platform = atlys.Platform()
# SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(self, platform, sys_clk_freq,
ident = "LiteX SoC on Atlys",
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
self.platform.add_period_constraint(self.crg.cd_sys.clk, 1e9/sys_clk_freq)
# DDR2 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.ddrphy = s6ddrphy.S6HalfRateDDRPHY(platform.request("ddram"),
memtype = "DDR2",
rd_bitslip = 0,
wr_bitslip = 4,
dqs_ddr_alignment = "C0")
self.comb += [
self.ddrphy.clk4x_wr_strb.eq(self.crg.clk4x_wr_strb),
self.ddrphy.clk4x_rd_strb.eq(self.crg.clk4x_rd_strb),
]
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:
from liteeth.phy import LiteEthPHYGMIIMII
self.submodules.ethphy = LiteEthPHYGMIIMII(
clock_pads = self.platform.request("eth_clocks", eth_phy),
pads = self.platform.request("eth", eth_phy),
clk_freq = int(self.sys_clk_freq))
if with_ethernet:
self.add_ethernet(phy=self.ethphy)
if with_etherbone:
self.add_etherbone(phy=self.ethphy)
self.ethphy.crg.cd_eth_rx.clk.attr.add("keep")
self.ethphy.crg.cd_eth_tx.clk.attr.add("keep")
self.platform.add_platform_command("""
NET "{eth_clocks_rx}" CLOCK_DEDICATED_ROUTE = FALSE;
NET "{eth_clocks_tx}" CLOCK_DEDICATED_ROUTE = FALSE;
""",
eth_clocks_rx=platform.lookup_request("eth_clocks").rx,
eth_clocks_tx=platform.lookup_request("eth_clocks").tx,
)
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(
pads = platform.request_all("user_led"),
sys_clk_freq = sys_clk_freq)
self.add_csr("leds")
def __init__(self, **kwargs):
platform = nexys4ddr.Platform()
SoCSDRAM.__init__(self, platform, clk_freq=100*1000000,
integrated_rom_size=0x8000,
integrated_sram_size=0x8000,
**kwargs)
self.submodules.crg = _CRG(platform)
# sdram
self.submodules.ddrphy = a7ddrphy.A7DDRPHY(platform.request("ddram"))
sdram_module = MT47H64M16(self.clk_freq, "1:4")
self.register_sdram(self.ddrphy,
sdram_module.geom_settings,
sdram_module.timing_settings)
def __init__(self, **kwargs):
platform = nexys4ddr.Platform()
sys_clk_freq = int(100e6)
SoCSDRAM.__init__(self,
platform,
clk_freq=sys_clk_freq,
integrated_rom_size=0x8000,
integrated_sram_size=0x8000,
**kwargs)
self.submodules.crg = _CRG(platform)
# sdram
self.submodules.ddrphy = s7ddrphy.A7DDRPHY(platform.request("ddram"),
memtype="DDR2",
nphases=2,
sys_clk_freq=sys_clk_freq)
sdram_module = MT47H64M16(self.clk_freq, "1:2")
self.register_sdram(self.ddrphy, sdram_module.geom_settings,
sdram_module.timing_settings)
self.add_constant("MEMTEST_ADDR_SIZE", 0) # FIXME
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")