partner/community/targets: uniformize, improve presentation

This commit is contained in:
Florent Kermarrec 2019-12-03 09:33:08 +01:00
parent 1b1370d086
commit f7fbfb4639
10 changed files with 256 additions and 219 deletions

View file

@ -27,10 +27,10 @@ from liteeth.mac import LiteEthMAC
class _CRG(Module):
def __init__(self, platform, sys_clk_freq):
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys4x = ClockDomain(reset_less=True)
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys4x = ClockDomain(reset_less=True)
self.clock_domains.cd_sys4x_dqs = ClockDomain(reset_less=True)
self.clock_domains.cd_clk200 = ClockDomain()
self.clock_domains.cd_clk200 = ClockDomain()
# # #
@ -41,10 +41,10 @@ class _CRG(Module):
self.submodules.pll = pll = S7PLL(speedgrade=-1)
self.comb += pll.reset.eq(~platform.request("cpu_reset"))
pll.register_clkin(platform.request("clk200"), 200e6)
pll.create_clkout(self.cd_sys, sys_clk_freq)
pll.create_clkout(self.cd_sys4x, 4*sys_clk_freq)
pll.create_clkout(self.cd_sys, sys_clk_freq)
pll.create_clkout(self.cd_sys4x, 4*sys_clk_freq)
pll.create_clkout(self.cd_sys4x_dqs, 4*sys_clk_freq, phase=90)
pll.create_clkout(self.cd_clk200, 200e6)
pll.create_clkout(self.cd_clk200, 200e6)
self.submodules.idelayctrl = S7IDELAYCTRL(self.cd_clk200)
@ -53,20 +53,27 @@ class _CRG(Module):
class BaseSoC(SoCSDRAM):
def __init__(self, sys_clk_freq=int(100e6), **kwargs):
platform = ac701.Platform()
SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq,
integrated_rom_size=0x8000,
integrated_sram_size=0x8000,
**kwargs)
# SoCSDRAM ---------------------------------------------------------------------------------
SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq,
integrated_rom_size=0x8000,
integrated_sram_size=0x8000,
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
# sdram
self.submodules.ddrphy = s7ddrphy.A7DDRPHY(platform.request("ddram"), sys_clk_freq=sys_clk_freq)
self.add_csr("ddrphy")
sdram_module = MT8JTF12864(sys_clk_freq, "1:4")
self.register_sdram(self.ddrphy,
sdram_module.geom_settings,
sdram_module.timing_settings)
# 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_csr("ddrphy")
sdram_module = MT8JTF12864(sys_clk_freq, "1:4")
self.register_sdram(self.ddrphy,
geom_settings = sdram_module.geom_settings,
timing_settings = sdram_module.timing_settings)
# EthernetSoC --------------------------------------------------------------------------------------
@ -80,6 +87,7 @@ class EthernetSoC(BaseSoC):
assert phy in ["rgmii", "1000basex"]
BaseSoC.__init__(self, **kwargs)
# RGMII Ethernet PHY -----------------------------------------------------------------------
if phy == "rgmii":
self.submodules.ethphy = LiteEthPHYRGMII(self.platform.request("eth_clocks"),
self.platform.request("eth"))
@ -93,6 +101,7 @@ class EthernetSoC(BaseSoC):
self.ethphy.crg.cd_eth_rx.clk,
self.ethphy.crg.cd_eth_tx.clk)
# 1000BaseX Ethernet PHY -------------------------------------------------------------------
if phy == "1000basex":
self.comb += self.platform.request("sfp_mgt_clk_sel0", 0).eq(0)
self.comb += self.platform.request("sfp_mgt_clk_sel1", 0).eq(0)
@ -120,6 +129,7 @@ class EthernetSoC(BaseSoC):
self.ethphy.txoutclk,
self.ethphy.rxoutclk)
# Ethernet MAC -----------------------------------------------------------------------------
self.submodules.ethmac = LiteEthMAC(phy=self.ethphy, dw=32,
interface="wishbone", endianness=self.cpu.endianness)
self.add_wb_slave(mem_decoder(self.mem_map["ethmac"]), self.ethmac.bus)

View file

@ -16,11 +16,12 @@ from litedram.modules import IS42S16320
from litedram.phy import GENSDRPHY
# CRG ----------------------------------------------------------------------------------------------
class _CRG(Module):
def __init__(self, platform):
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys_ps = ClockDomain()
self.clock_domains.cd_por = ClockDomain(reset_less=True)
self.clock_domains.cd_por = ClockDomain(reset_less=True)
# # #
@ -42,24 +43,24 @@ class _CRG(Module):
self.comb += self.cd_sys.clk.eq(clk50)
self.specials += \
Instance("ALTPLL",
p_BANDWIDTH_TYPE="AUTO",
p_CLK0_DIVIDE_BY=1,
p_CLK0_DUTY_CYCLE=50,
p_CLK0_MULTIPLY_BY=1,
p_CLK0_PHASE_SHIFT="-10000",
p_COMPENSATE_CLOCK="CLK0",
p_INCLK0_INPUT_FREQUENCY=20000,
p_INTENDED_DEVICE_FAMILY="MAX 10",
p_LPM_TYPE = "altpll",
p_OPERATION_MODE = "NORMAL",
i_INCLK=clk50,
o_CLK=self.cd_sys_ps.clk,
i_ARESET=~rst_n,
i_CLKENA=0x3f,
i_EXTCLKENA=0xf,
i_FBIN=1,
i_PFDENA=1,
i_PLLENA=1,
p_BANDWIDTH_TYPE = "AUTO",
p_CLK0_DIVIDE_BY = 1,
p_CLK0_DUTY_CYCLE = 50,
p_CLK0_MULTIPLY_BY = 1,
p_CLK0_PHASE_SHIFT = "-10000",
p_COMPENSATE_CLOCK = "CLK0",
p_INCLK0_INPUT_FREQUENCY = 20000,
p_INTENDED_DEVICE_FAMILY = "MAX 10",
p_LPM_TYPE = "altpll",
p_OPERATION_MODE = "NORMAL",
i_INCLK = clk50,
o_CLK = self.cd_sys_ps.clk,
i_ARESET = ~rst_n,
i_CLKENA = 0x3f,
i_EXTCLKENA = 0xf,
i_FBIN = 1,
i_PFDENA = 1,
i_PLLENA = 1,
)
self.comb += platform.request("sdram_clock").eq(self.cd_sys_ps.clk)
@ -69,18 +70,22 @@ class BaseSoC(SoCSDRAM):
def __init__(self, sys_clk_freq=int(50e6), **kwargs):
assert sys_clk_freq == int(50e6)
platform = de10lite.Platform()
SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq,
integrated_rom_size=0x8000,
**kwargs)
# SoCSDRAM ---------------------------------------------------------------------------------
SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq,
integrated_rom_size=0x8000,
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform)
# SDR SDRAM --------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.sdrphy = GENSDRPHY(platform.request("sdram"))
sdram_module = IS42S16320(self.clk_freq, "1:1")
self.register_sdram(self.sdrphy,
sdram_module.geom_settings,
sdram_module.timing_settings)
geom_settings = sdram_module.geom_settings,
timing_settings = sdram_module.timing_settings)
# Build --------------------------------------------------------------------------------------------

View file

@ -15,13 +15,13 @@ from litex.soc.integration.builder import *
from litedram.modules import IS42S16320
from litedram.phy import GENSDRPHY
# CRG ------------------------------------------------------------------
# CRG ----------------------------------------------------------------------------------------------
class _CRG(Module):
def __init__(self, platform):
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys_ps = ClockDomain()
self.clock_domains.cd_por = ClockDomain(reset_less=True)
self.clock_domains.cd_por = ClockDomain(reset_less=True)
# # #
@ -43,37 +43,41 @@ class _CRG(Module):
self.comb += self.cd_sys.clk.eq(clk50)
self.specials += \
Instance("ALTPLL",
p_BANDWIDTH_TYPE="AUTO",
p_CLK0_DIVIDE_BY=1,
p_CLK0_DUTY_CYCLE=50,
p_CLK0_MULTIPLY_BY=1,
p_CLK0_PHASE_SHIFT="-3000",
p_COMPENSATE_CLOCK="CLK0",
p_INCLK0_INPUT_FREQUENCY=20000,
p_OPERATION_MODE="ZERO_DELAY_BUFFER",
i_INCLK=clk50,
o_CLK=self.cd_sys_ps.clk,
i_ARESET=~rst_n,
i_CLKENA=0x3f,
i_EXTCLKENA=0xf,
i_FBIN=1,
i_PFDENA=1,
i_PLLENA=1,
p_BANDWIDTH_TYPE = "AUTO",
p_CLK0_DIVIDE_BY = 1,
p_CLK0_DUTY_CYCLE = 50,
p_CLK0_MULTIPLY_BY = 1,
p_CLK0_PHASE_SHIFT = "-3000",
p_COMPENSATE_CLOCK = "CLK0",
p_INCLK0_INPUT_FREQUENCY = 20000,
p_OPERATION_MODE = "ZERO_DELAY_BUFFER",
i_INCLK = clk50,
o_CLK = self.cd_sys_ps.clk,
i_ARESET = ~rst_n,
i_CLKENA = 0x3f,
i_EXTCLKENA = 0xf,
i_FBIN = 1,
i_PFDENA = 1,
i_PLLENA = 1,
)
self.comb += platform.request("sdram_clock").eq(self.cd_sys_ps.clk)
# BaseSoC --------------------------------------------------------------
# BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCSDRAM):
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)
# SoCSDRAM ---------------------------------------------------------------------------------
SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq,
integrated_rom_size=0x8000,
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform)
# SDR SDRAM --------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.sdrphy = GENSDRPHY(platform.request("sdram"))
# ISSI IS42S16320D-7TL
@ -82,7 +86,7 @@ class BaseSoC(SoCSDRAM):
sdram_module.geom_settings,
sdram_module.timing_settings)
# Build ----------------------------------------------------------------
# Build --------------------------------------------------------------------------------------------
def main():
parser = argparse.ArgumentParser(description="LiteX SoC on DE1-SoC")

View file

@ -15,13 +15,13 @@ from litex.soc.integration.builder import *
from litedram.modules import IS42S16320
from litedram.phy import GENSDRPHY
# CRG ------------------------------------------------------------------
# CRG ----------------------------------------------------------------------------------------------
class _CRG(Module):
def __init__(self, platform):
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys_ps = ClockDomain()
self.clock_domains.cd_por = ClockDomain(reset_less=True)
self.clock_domains.cd_por = ClockDomain(reset_less=True)
# # #
@ -43,46 +43,50 @@ class _CRG(Module):
self.comb += self.cd_sys.clk.eq(clk50)
self.specials += \
Instance("ALTPLL",
p_BANDWIDTH_TYPE="AUTO",
p_CLK0_DIVIDE_BY=1,
p_CLK0_DUTY_CYCLE=50,
p_CLK0_MULTIPLY_BY=1,
p_CLK0_PHASE_SHIFT="-3000",
p_COMPENSATE_CLOCK="CLK0",
p_INCLK0_INPUT_FREQUENCY=20000,
p_OPERATION_MODE="ZERO_DELAY_BUFFER",
i_INCLK=clk50,
o_CLK=self.cd_sys_ps.clk,
i_ARESET=~rst_n,
i_CLKENA=0x3f,
i_EXTCLKENA=0xf,
i_FBIN=1,
i_PFDENA=1,
i_PLLENA=1,
p_BANDWIDTH_TYPE = "AUTO",
p_CLK0_DIVIDE_BY = 1,
p_CLK0_DUTY_CYCLE = 50,
p_CLK0_MULTIPLY_BY = 1,
p_CLK0_PHASE_SHIFT = "-3000",
p_COMPENSATE_CLOCK = "CLK0",
p_INCLK0_INPUT_FREQUENCY = 20000,
p_OPERATION_MODE = "ZERO_DELAY_BUFFER",
i_INCLK = clk50,
o_CLK = self.cd_sys_ps.clk,
i_ARESET = ~rst_n,
i_CLKENA = 0x3f,
i_EXTCLKENA = 0xf,
i_FBIN = 1,
i_PFDENA = 1,
i_PLLENA = 1,
)
self.comb += platform.request("sdram_clock").eq(self.cd_sys_ps.clk)
# BaseSoC --------------------------------------------------------------
# BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCSDRAM):
def __init__(self, sys_clk_freq=int(50e6), **kwargs):
assert sys_clk_freq == int(50e6)
platform = de2_115.Platform()
SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq,
integrated_rom_size=0x8000,
**kwargs)
# SoCSDRAM ---------------------------------------------------------------------------------
SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq,
integrated_rom_size=0x8000,
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform)
# SDR SDRAM --------------------------------------------------------------------------------
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)
geom_settings = sdram_module.geom_settings,
timing_settings = sdram_module.timing_settings)
# Build ----------------------------------------------------------------
# Build --------------------------------------------------------------------------------------------
def main():
parser = argparse.ArgumentParser(description="LiteX SoC on DE2-115")

View file

@ -45,11 +45,13 @@ class _CRG(Module):
class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(50e6), x5_clk_freq=None, toolchain="diamond", **kwargs):
platform = ecp5_evn.Platform(toolchain=toolchain)
SoCCore.__init__(self, platform, clk_freq=sys_clk_freq,
integrated_rom_size=0x8000,
**kwargs)
# crg
# SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(self, platform, clk_freq=sys_clk_freq,
integrated_rom_size=0x8000,
**kwargs)
# CRG --------------------------------------------------------------------------------------
crg = _CRG(platform, sys_clk_freq, x5_clk_freq)
self.submodules.crg = crg
@ -69,8 +71,8 @@ def main():
cls = BaseSoC
soc = cls(toolchain=args.toolchain,
sys_clk_freq=int(float(args.sys_clk_freq)),
x5_clk_freq=args.x5_clk_freq,
sys_clk_freq = int(float(args.sys_clk_freq)),
x5_clk_freq = args.x5_clk_freq,
**soc_core_argdict(args))
builder = Builder(soc, **builder_argdict(args))
builder.build()

View file

@ -31,23 +31,23 @@ from litex_boards.platforms import aller
class CRG(Module):
def __init__(self, platform, sys_clk_freq):
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys4x = ClockDomain(reset_less=True)
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys4x = ClockDomain(reset_less=True)
self.clock_domains.cd_sys4x_dqs = ClockDomain(reset_less=True)
self.clock_domains.cd_clk200 = ClockDomain()
self.clock_domains.cd_clk200 = ClockDomain()
clk100 = platform.request("clk100")
self.submodules.pll = pll = S7PLL()
pll.register_clkin(clk100, 100e6)
pll.create_clkout(self.cd_sys, sys_clk_freq)
pll.create_clkout(self.cd_sys4x, 4*sys_clk_freq)
pll.create_clkout(self.cd_sys, sys_clk_freq)
pll.create_clkout(self.cd_sys4x, 4*sys_clk_freq)
pll.create_clkout(self.cd_sys4x_dqs, 4*sys_clk_freq, phase=90)
pll.create_clkout(self.cd_clk200, 200e6)
pll.create_clkout(self.cd_clk200, 200e6)
self.submodules.idelayctrl = S7IDELAYCTRL(self.cd_clk200)
# AllerSoC ------------------------------------------------------------------------------------------
# AllerSoC -----------------------------------------------------------------------------------------
class AllerSoC(SoCSDRAM):
SoCSDRAM.mem_map["csr"] = 0x00000000
@ -55,12 +55,14 @@ class AllerSoC(SoCSDRAM):
def __init__(self, platform, with_pcie_uart=True):
sys_clk_freq = int(100e6)
# SoCSDRAM ---------------------------------------------------------------------------------
SoCSDRAM.__init__(self, platform, sys_clk_freq,
csr_data_width=32,
integrated_rom_size=0x10000,
integrated_sram_size=0x10000,
integrated_main_ram_size=0x10000, # FIXME: keep this for initial PCIe tests
ident="Aller LiteX Test SoC", ident_version=True,
csr_data_width = 32,
integrated_rom_size = 0x10000,
integrated_sram_size = 0x10000,
integrated_main_ram_size = 0x10000, # FIXME: keep this for initial PCIe tests
ident = "Aller LiteX Test SoC", ident_version=True,
with_uart=not with_pcie_uart)
# CRG --------------------------------------------------------------------------------------
@ -75,26 +77,25 @@ class AllerSoC(SoCSDRAM):
self.submodules.xadc = xadc.XADC()
self.add_csr("xadc")
# SDRAM ------------------------------------------------------------------------------------
# DDR3 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.ddrphy = s7ddrphy.A7DDRPHY(
platform.request("ddram"),
sys_clk_freq=sys_clk_freq,
iodelay_clk_freq=200e6)
self.submodules.ddrphy = s7ddrphy.A7DDRPHY(platform.request("ddram"),
memtype = "DDR3",
nphases = 4,
sys_clk_freq = sys_clk_freq,
iodelay_clk_freq = 200e6)
self.add_csr("ddrphy")
sdram_module = MT41J128M16(sys_clk_freq, "1:4")
self.register_sdram(self.ddrphy,
sdram_module.geom_settings,
sdram_module.timing_settings)
self.add_csr("ddrphy")
geom_settings = sdram_module.geom_settings,
timing_settings = sdram_module.timing_settings)
# PCIe -------------------------------------------------------------------------------------
# pcie phy
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x1"), bar0_size=0x20000)
self.pcie_phy.cd_pcie.clk.attr.add("keep")
platform.add_platform_command("create_clock -name pcie_clk -period 8 [get_nets pcie_clk]")
platform.add_false_path_constraints(
self.crg.cd_sys.clk,
self.pcie_phy.cd_pcie.clk)
platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk)
self.add_csr("pcie_phy")
# pcie endpoint
@ -128,11 +129,11 @@ class AllerSoC(SoCSDRAM):
def __init__(self, uart):
self.rx_valid = CSRStatus()
self.rx_ready = CSR()
self.rx_data = CSRStatus(8)
self.rx_data = CSRStatus(8)
self.tx_valid = CSR()
self.tx_ready = CSRStatus()
self.tx_data = CSRStorage(8)
self.tx_data = CSRStorage(8)
# # #

View file

@ -26,9 +26,9 @@ from litex.soc.cores.hyperbus import HyperRAM
# CRG ----------------------------------------------------------------------------------------------
class _CRG(Module):
def __init__(self, platform):
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys_ps = ClockDomain()
self.clock_domains.cd_por = ClockDomain(reset_less=True)
self.clock_domains.cd_por = ClockDomain(reset_less=True)
# # #
@ -51,28 +51,28 @@ class _CRG(Module):
clk_outs = Signal(5)
self.specials += \
Instance("ALTPLL",
p_BANDWIDTH_TYPE="AUTO",
p_CLK0_DIVIDE_BY=6,
p_CLK0_DUTY_CYCLE=50,
p_CLK0_MULTIPLY_BY=25,
p_CLK0_PHASE_SHIFT="0",
p_CLK1_DIVIDE_BY=6,
p_CLK1_DUTY_CYCLE=50,
p_CLK1_MULTIPLY_BY=25,
p_CLK1_PHASE_SHIFT="-10000",
p_COMPENSATE_CLOCK="CLK0",
p_INCLK0_INPUT_FREQUENCY=83000,
p_INTENDED_DEVICE_FAMILY="MAX 10",
p_LPM_TYPE="altpll",
p_OPERATION_MODE="NORMAL",
i_INCLK=clk12,
o_CLK=clk_outs,
i_ARESET=0,
i_CLKENA=0x3f,
i_EXTCLKENA=0xf,
i_FBIN=1,
i_PFDENA=1,
i_PLLENA=1,
p_BANDWIDTH_TYPE = "AUTO",
p_CLK0_DIVIDE_BY = 6,
p_CLK0_DUTY_CYCLE = 50,
p_CLK0_MULTIPLY_BY = 25,
p_CLK0_PHASE_SHIFT = "0",
p_CLK1_DIVIDE_BY = 6,
p_CLK1_DUTY_CYCLE = 50,
p_CLK1_MULTIPLY_BY = 25,
p_CLK1_PHASE_SHIFT = "-10000",
p_COMPENSATE_CLOCK = "CLK0",
p_INCLK0_INPUT_FREQUENCY = 83000,
p_INTENDED_DEVICE_FAMILY = "MAX 10",
p_LPM_TYPE = "altpll",
p_OPERATION_MODE = "NORMAL",
i_INCLK = clk12,
o_CLK = clk_outs,
i_ARESET = 0,
i_CLKENA = 0x3f,
i_EXTCLKENA = 0xf,
i_FBIN = 1,
i_PFDENA = 1,
i_PLLENA = 1,
)
self.comb += self.cd_sys.clk.eq(clk_outs[0])
self.comb += self.cd_sys_ps.clk.eq(clk_outs[1])
@ -90,23 +90,29 @@ class BaseSoC(SoCSDRAM):
def __init__(self, sys_clk_freq=int(50e6), **kwargs):
assert sys_clk_freq == int(50e6)
platform = c10lprefkit.Platform()
# SoCSDRAM ---------------------------------------------------------------------------------
SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq,
integrated_rom_size=0x8000,
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform)
# HyperRam ---------------------------------------------------------------------------------
self.submodules.hyperram = HyperRAM(platform.request("hyperram"))
self.add_wb_slave(mem_decoder(self.mem_map["hyperram"]), self.hyperram.bus)
self.add_memory_region("hyperram", self.mem_map["hyperram"], 8*1024*1024)
# SDR SDRAM --------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.sdrphy = GENSDRPHY(platform.request("sdram"))
sdram_module = MT48LC16M16(self.clk_freq, "1:1")
self.register_sdram(self.sdrphy,
sdram_module.geom_settings,
sdram_module.timing_settings)
geom_settings = sdram_module.geom_settings,
timing_settings = sdram_module.timing_settings)
# EthernetSoC --------------------------------------------------------------------------------------
class EthernetSoC(BaseSoC):
mem_map = {

View file

@ -32,16 +32,16 @@ from litex_boards.platforms import nereid
class CRG(Module):
def __init__(self, platform, sys_clk_freq):
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys4x = ClockDomain(reset_less=True)
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys4x = ClockDomain(reset_less=True)
self.clock_domains.cd_clk200 = ClockDomain()
clk100 = platform.request("clk100")
self.submodules.pll = pll = S7PLL()
pll.register_clkin(clk100, 100e6)
pll.create_clkout(self.cd_sys, sys_clk_freq)
pll.create_clkout(self.cd_sys4x, 4*sys_clk_freq)
pll.create_clkout(self.cd_sys, sys_clk_freq)
pll.create_clkout(self.cd_sys4x, 4*sys_clk_freq)
pll.create_clkout(self.cd_clk200, 200e6)
self.comb += pll.reset.eq(platform.request("cpu_reset"))
@ -55,13 +55,15 @@ class NereidSoC(SoCSDRAM):
def __init__(self, platform, with_pcie_uart=True):
sys_clk_freq = int(100e6)
# SoCSDRAM ---------------------------------------------------------------------------------
SoCSDRAM.__init__(self, platform, sys_clk_freq,
csr_data_width=32,
integrated_rom_size=0x10000,
integrated_sram_size=0x10000,
integrated_main_ram_size=0x10000, # FIXME: keep this for initial PCIe tests
ident="Nereid LiteX Test SoC", ident_version=True,
with_uart=not with_pcie_uart)
csr_data_width = 32,
integrated_rom_size = 0x10000,
integrated_sram_size = 0x10000,
integrated_main_ram_size = 0x10000, # FIXME: keep this for initial PCIe tests
ident = "Nereid LiteX Test SoC", ident_version=True,
with_uart = not with_pcie_uart)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = CRG(platform, sys_clk_freq)
@ -75,26 +77,25 @@ class NereidSoC(SoCSDRAM):
self.submodules.xadc = xadc.XADC()
self.add_csr("xadc")
# SDRAM ------------------------------------------------------------------------------------
# DDR3 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.ddrphy = s7ddrphy.K7DDRPHY(
platform.request("ddram"),
sys_clk_freq=sys_clk_freq,
iodelay_clk_freq=200e6)
self.submodules.ddrphy = s7ddrphy.K7DDRPHY(platform.request("ddram"),
memtype = "DDR3",
nphases = 4,
sys_clk_freq = sys_clk_freq,
iodelay_clk_freq = 200e6)
self.add_csr("ddrphy")
sdram_module = MT8KTF51264(sys_clk_freq, "1:4", speedgrade="800")
self.register_sdram(self.ddrphy,
sdram_module.geom_settings,
sdram_module.timing_settings)
self.add_csr("ddrphy")
geom_settings = sdram_module.geom_settings,
timing_settings = sdram_module.timing_settings)
# PCIe -------------------------------------------------------------------------------------
# pcie phy
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x1"), bar0_size=0x20000)
self.pcie_phy.cd_pcie.clk.attr.add("keep")
platform.add_platform_command("create_clock -name pcie_clk -period 8 [get_nets pcie_clk]")
platform.add_false_path_constraints(
self.crg.cd_sys.clk,
self.pcie_phy.cd_pcie.clk)
platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk)
self.add_csr("pcie_phy")
# pcie endpoint
@ -128,11 +129,11 @@ class NereidSoC(SoCSDRAM):
def __init__(self, uart):
self.rx_valid = CSRStatus()
self.rx_ready = CSR()
self.rx_data = CSRStatus(8)
self.rx_data = CSRStatus(8)
self.tx_valid = CSR()
self.tx_ready = CSRStatus()
self.tx_data = CSRStorage(8)
self.tx_data = CSRStorage(8)
# # #

View file

@ -32,24 +32,24 @@ from litex_boards.platforms import tagus
class CRG(Module):
def __init__(self, platform, sys_clk_freq):
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys4x = ClockDomain(reset_less=True)
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys4x = ClockDomain(reset_less=True)
self.clock_domains.cd_sys4x_dqs = ClockDomain(reset_less=True)
self.clock_domains.cd_clk200 = ClockDomain()
self.clock_domains.cd_clk200 = ClockDomain()
clk100 = platform.request("clk100")
self.submodules.pll = pll = S7PLL()
pll.register_clkin(clk100, 100e6)
pll.create_clkout(self.cd_sys, sys_clk_freq)
pll.create_clkout(self.cd_sys4x, 4*sys_clk_freq)
pll.create_clkout(self.cd_sys, sys_clk_freq)
pll.create_clkout(self.cd_sys4x, 4*sys_clk_freq)
pll.create_clkout(self.cd_sys4x_dqs, 4*sys_clk_freq, phase=90)
pll.create_clkout(self.cd_clk200, 200e6)
pll.create_clkout(self.cd_clk200, 200e6)
self.comb += pll.reset.eq(platform.request("rst"))
self.submodules.idelayctrl = S7IDELAYCTRL(self.cd_clk200)
# NereidSoC ------------------------------------------------------------------------------------------
# TagusSoC -----------------------------------------------------------------------------------------
class TagusSoC(SoCSDRAM):
SoCSDRAM.mem_map["csr"] = 0x00000000
@ -57,13 +57,15 @@ class TagusSoC(SoCSDRAM):
def __init__(self, platform, with_pcie_uart=True):
sys_clk_freq = int(100e6)
# SoCSDRAM ---------------------------------------------------------------------------------
SoCSDRAM.__init__(self, platform, sys_clk_freq,
csr_data_width=32,
integrated_rom_size=0x10000,
integrated_sram_size=0x10000,
integrated_main_ram_size=0x10000, # FIXME: keep this for initial PCIe tests
ident="Tagus LiteX Test SoC", ident_version=True,
with_uart=not with_pcie_uart)
csr_data_width = 32,
integrated_rom_size = 0x10000,
integrated_sram_size = 0x10000,
integrated_main_ram_size = 0x10000, # FIXME: keep this for initial PCIe tests
ident = "Tagus LiteX Test SoC", ident_version=True,
with_uart = not with_pcie_uart)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = CRG(platform, sys_clk_freq)
@ -77,17 +79,18 @@ class TagusSoC(SoCSDRAM):
self.submodules.xadc = xadc.XADC()
self.add_csr("xadc")
# SDRAM ------------------------------------------------------------------------------------
# DDR3 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.ddrphy = s7ddrphy.A7DDRPHY(
platform.request("ddram"),
sys_clk_freq=sys_clk_freq,
iodelay_clk_freq=200e6)
self.submodules.ddrphy = s7ddrphy.A7DDRPHY(platform.request("ddram"),
memtype = "DDR3",
nphases = 4,
sys_clk_freq = sys_clk_freq,
iodelay_clk_freq = 200e6)
self.add_csr("ddrphy")
sdram_module = MT41J128M16(sys_clk_freq, "1:4")
self.register_sdram(self.ddrphy,
sdram_module.geom_settings,
sdram_module.timing_settings)
self.add_csr("ddrphy")
# PCIe -------------------------------------------------------------------------------------
# pcie phy
@ -130,11 +133,11 @@ class TagusSoC(SoCSDRAM):
def __init__(self, uart):
self.rx_valid = CSRStatus()
self.rx_ready = CSR()
self.rx_data = CSRStatus(8)
self.rx_data = CSRStatus(8)
self.tx_valid = CSR()
self.tx_ready = CSRStatus()
self.tx_data = CSRStorage(8)
self.tx_data = CSRStorage(8)
# # #

View file

@ -26,10 +26,10 @@ from liteeth.mac import LiteEthMAC
class _CRG(Module):
def __init__(self, platform, sys_clk_freq):
self.clock_domains.cd_init = ClockDomain()
self.clock_domains.cd_por = ClockDomain(reset_less=True)
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys2x = ClockDomain()
self.clock_domains.cd_init = ClockDomain()
self.clock_domains.cd_por = ClockDomain(reset_less=True)
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys2x = ClockDomain()
self.clock_domains.cd_sys2x_i = ClockDomain(reset_less=True)
# # #
@ -44,12 +44,12 @@ class _CRG(Module):
# clk / rst
clk12 = platform.request("clk12")
rst = platform.request("user_btn", 0)
rst = platform.request("user_btn", 0)
platform.add_period_constraint(clk12, 1e9/12e6)
# power on reset
por_count = Signal(16, reset=2**16-1)
por_done = Signal()
por_done = Signal()
self.comb += self.cd_por.clk.eq(ClockSignal())
self.comb += por_done.eq(por_count == 0)
self.sync.por += If(~por_done, por_count.eq(por_count - 1))
@ -62,20 +62,20 @@ class _CRG(Module):
pll.create_clkout(self.cd_init, 25e6)
self.specials += [
Instance("ECLKBRIDGECS",
i_CLK0=self.cd_sys2x_i.clk,
i_SEL=0,
o_ECSOUT=sys2x_clk_ecsout,
i_CLK0 = self.cd_sys2x_i.clk,
i_SEL = 0,
o_ECSOUT = sys2x_clk_ecsout,
),
Instance("ECLKSYNCB",
i_ECLKI=sys2x_clk_ecsout,
i_STOP=self.stop,
o_ECLKO=self.cd_sys2x.clk),
i_ECLKI = sys2x_clk_ecsout,
i_STOP = self.stop,
o_ECLKO = self.cd_sys2x.clk),
Instance("CLKDIVF",
p_DIV="2.0",
i_ALIGNWD=0,
i_CLKI=self.cd_sys2x.clk,
i_RST=self.cd_sys2x.rst,
o_CDIVX=self.cd_sys.clk),
p_DIV = "2.0",
i_ALIGNWD = 0,
i_CLKI = self.cd_sys2x.clk,
i_RST = self.cd_sys2x.rst,
o_CDIVX = self.cd_sys.clk),
AsyncResetSynchronizer(self.cd_init, ~por_done | ~pll.locked | rst),
AsyncResetSynchronizer(self.cd_sys, ~por_done | ~pll.locked | rst)
]
@ -88,25 +88,26 @@ class _CRG(Module):
class BaseSoC(SoCSDRAM):
def __init__(self, sys_clk_freq=int(75e6), toolchain="diamond", integrated_rom_size=0x8000, **kwargs):
platform = trellisboard.Platform(toolchain=toolchain)
# SoCSDRAM ---------------------------------------------------------------------------------
SoCSDRAM.__init__(self, platform, clk_freq=sys_clk_freq,
integrated_rom_size=integrated_rom_size,
**kwargs)
integrated_rom_size=integrated_rom_size,
**kwargs)
# crg
crg = _CRG(platform, sys_clk_freq)
self.submodules.crg = crg
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
# sdram
# DDR3 SDRAM -------------------------------------------------------------------------------
self.submodules.ddrphy = ECP5DDRPHY(
platform.request("ddram"),
sys_clk_freq=sys_clk_freq)
self.add_csr("ddrphy")
self.add_constant("ECP5DDRPHY", None)
self.comb += crg.stop.eq(self.ddrphy.init.stop)
self.comb += self.crg.stop.eq(self.ddrphy.init.stop)
sdram_module = MT41J256M16(sys_clk_freq, "1:2")
self.register_sdram(self.ddrphy,
sdram_module.geom_settings,
sdram_module.timing_settings)
geom_settings = sdram_module.geom_settings,
timing_settings = sdram_module.timing_settings)
# EthernetSoC --------------------------------------------------------------------------------------