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netv2.py
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netv2.py
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#!/usr/bin/env python3
import sys
import os
import math
from migen import *
from migen.genlib.resetsync import AsyncResetSynchronizer
from migen.genlib.misc import timeline
from litex.build.generic_platform import *
from litex.build.xilinx import XilinxPlatform
from litex.soc.interconnect.csr import *
from litex.soc.integration.soc_core import *
from litex.soc.integration.soc_sdram import *
from litex.soc.integration.builder import *
from litex.soc.integration.export import get_csr_header
from litex.soc.cores.clock import *
from litex.soc.cores import dna, xadc, timer, uart
from litex.soc.cores.freqmeter import FreqMeter
from litex.soc.cores.timer import Timer
from litedram.modules import MT41J128M16
from litedram.phy import a7ddrphy
from litedram.core import ControllerSettings
from liteeth.common import convert_ip
from liteeth.phy.rmii import LiteEthPHYRMII
from liteeth.core.mac import LiteEthMAC
from liteeth.core import LiteEthUDPIPCore
from liteeth.frontend.etherbone import LiteEthEtherbone
from litesdcard.phy import SDPHY
from litesdcard.clocker import SDClockerS7
from litesdcard.core import SDCore
from litesdcard.bist import BISTBlockGenerator, BISTBlockChecker
from litepcie.phy.s7pciephy import S7PCIEPHY
from litepcie.core import LitePCIeEndpoint, LitePCIeMSI
from litepcie.frontend.dma import LitePCIeDMA
from litepcie.frontend.wishbone import LitePCIeWishboneBridge
from liteiclink.transceiver.gtp_7series import GTPQuadPLL, GTP
from litevideo.input import HDMIIn
from litevideo.output import VideoOut
from gateware.icap import ICAP
from gateware.flash import Flash
_io = [
# clock
("clk50", 0, Pins("J19"), IOStandard("LVCMOS33")),
# leds
("user_led", 0, Pins("M21"), IOStandard("LVCMOS33")),
("user_led", 1, Pins("N20"), IOStandard("LVCMOS33")),
("user_led", 2, Pins("L21"), IOStandard("LVCMOS33")),
("user_led", 3, Pins("AA21"), IOStandard("LVCMOS33")),
("user_led", 4, Pins("R19"), IOStandard("LVCMOS33")),
("user_led", 5, Pins("M16"), IOStandard("LVCMOS33")),
# flash
("flash", 0,
Subsignal("cs_n", Pins("T19")),
Subsignal("mosi", Pins("P22")),
Subsignal("miso", Pins("R22")),
Subsignal("vpp", Pins("P21")),
Subsignal("hold", Pins("R21")),
IOStandard("LVCMOS33")
),
# serial
("serial", 0,
Subsignal("tx", Pins("E14")),
Subsignal("rx", Pins("E13")),
IOStandard("LVCMOS33"),
),
# dram
("ddram", 0,
Subsignal("a", Pins(
"U6 V4 W5 V5 AA1 Y2 AB1 AB3",
"AB2 Y3 W6 Y1 V2 AA3"
),
IOStandard("SSTL15")),
Subsignal("ba", Pins("U5 W4 V7"), IOStandard("SSTL15")),
Subsignal("ras_n", Pins("Y9"), IOStandard("SSTL15")),
Subsignal("cas_n", Pins("Y7"), IOStandard("SSTL15")),
Subsignal("we_n", Pins("V8"), IOStandard("SSTL15")),
Subsignal("dm", Pins("M5 L3"), IOStandard("SSTL15")),
Subsignal("dq", Pins(
"N2 M6 P1 N5 P2 N4 R1 P6 "
"K3 M2 K4 M3 J6 L5 J4 K6 "
),
IOStandard("SSTL15"),
Misc("IN_TERM=UNTUNED_SPLIT_50")),
Subsignal("dqs_p", Pins("P5 M1"), IOStandard("DIFF_SSTL15")),
Subsignal("dqs_n", Pins("P4 L1"), IOStandard("DIFF_SSTL15")),
Subsignal("clk_p", Pins("R3"), IOStandard("DIFF_SSTL15")),
Subsignal("clk_n", Pins("R2"), IOStandard("DIFF_SSTL15")),
Subsignal("cke", Pins("Y8"), IOStandard("SSTL15")),
Subsignal("odt", Pins("W9"), IOStandard("SSTL15")),
Subsignal("reset_n", Pins("AB5"), IOStandard("LVCMOS15")),
Subsignal("cs_n", Pins("V9"), IOStandard("SSTL15")),
Misc("SLEW=FAST"),
),
# pcie
("pcie_x1", 0,
Subsignal("rst_n", Pins("E18"), IOStandard("LVCMOS33")),
Subsignal("clk_p", Pins("F10")),
Subsignal("clk_n", Pins("E10")),
Subsignal("rx_p", Pins("D11")),
Subsignal("rx_n", Pins("C11")),
Subsignal("tx_p", Pins("D5")),
Subsignal("tx_n", Pins("C5"))
),
("pcie_x2", 0,
Subsignal("rst_n", Pins("E18"), IOStandard("LVCMOS33")),
Subsignal("clk_p", Pins("F10")),
Subsignal("clk_n", Pins("E10")),
Subsignal("rx_p", Pins("D11 B10")),
Subsignal("rx_n", Pins("C11 A10")),
Subsignal("tx_p", Pins("D5 B6")),
Subsignal("tx_n", Pins("C5 A6"))
),
("pcie_x4", 0,
Subsignal("rst_n", Pins("E18"), IOStandard("LVCMOS33")),
Subsignal("clk_p", Pins("F10")),
Subsignal("clk_n", Pins("E10")),
Subsignal("rx_p", Pins("D11 B10 D9 B8")),
Subsignal("rx_n", Pins("C11 A10 C9 A8")),
Subsignal("tx_p", Pins("D5 B6 D7 B4")),
Subsignal("tx_n", Pins("C5 A6 C7 A4"))
),
# interboard communication
("interboard_comm_tx", 0,
Subsignal("p", Pins("D5")),
Subsignal("n", Pins("C5"))
),
("interboard_comm_rx", 0,
Subsignal("p", Pins("D11")),
Subsignal("n", Pins("C11"))
),
# ethernet
("eth_clocks", 0,
Subsignal("ref_clk", Pins("D17")),
IOStandard("LVCMOS33"),
),
("eth", 0,
Subsignal("rst_n", Pins("F16")),
Subsignal("rx_data", Pins("A20 B18")),
Subsignal("crs_dv", Pins("C20")),
Subsignal("tx_en", Pins("A19")),
Subsignal("tx_data", Pins("C18 C19")),
Subsignal("mdc", Pins("F14")),
Subsignal("mdio", Pins("F13")),
Subsignal("rx_er", Pins("B20")),
Subsignal("int_n", Pins("D21")),
IOStandard("LVCMOS33")
),
# sdcard
("sdcard", 0,
Subsignal("data", Pins("L15 L16 K14 M13"), Misc("PULLUP True")),
Subsignal("cmd", Pins("L13"), Misc("PULLUP True")),
Subsignal("clk", Pins("K18")),
IOStandard("LVCMOS33"), Misc("SLEW=FAST")
),
# hdmi in
("hdmi_in", 0,
Subsignal("clk_p", Pins("L19"), IOStandard("TMDS_33"), Inverted()),
Subsignal("clk_n", Pins("L20"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data0_p", Pins("K21"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data0_n", Pins("K22"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data1_p", Pins("J20"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data1_n", Pins("J21"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data2_p", Pins("J22"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data2_n", Pins("H22"), IOStandard("TMDS_33"), Inverted()),
Subsignal("scl", Pins("T18"), IOStandard("LVCMOS33")),
Subsignal("sda", Pins("V18"), IOStandard("LVCMOS33")),
),
("hdmi_in", 1,
Subsignal("clk_p", Pins("Y18"), IOStandard("TMDS_33"), Inverted()),
Subsignal("clk_n", Pins("Y19"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data0_p", Pins("AA18"), IOStandard("TMDS_33")),
Subsignal("data0_n", Pins("AB18"), IOStandard("TMDS_33")),
Subsignal("data1_p", Pins("AA19"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data1_n", Pins("AB20"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data2_p", Pins("AB21"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data2_n", Pins("AB22"), IOStandard("TMDS_33"), Inverted()),
Subsignal("scl", Pins("W17"), IOStandard("LVCMOS33"), Inverted()),
Subsignal("sda", Pins("R17"), IOStandard("LVCMOS33")),
),
# hdmi out
("hdmi_out", 0,
Subsignal("clk_p", Pins("W19"), Inverted(), IOStandard("TMDS_33")),
Subsignal("clk_n", Pins("W20"), Inverted(), IOStandard("TMDS_33")),
Subsignal("data0_p", Pins("W21"), IOStandard("TMDS_33")),
Subsignal("data0_n", Pins("W22"), IOStandard("TMDS_33")),
Subsignal("data1_p", Pins("U20"), IOStandard("TMDS_33")),
Subsignal("data1_n", Pins("V20"), IOStandard("TMDS_33")),
Subsignal("data2_p", Pins("T21"), IOStandard("TMDS_33")),
Subsignal("data2_n", Pins("U21"), IOStandard("TMDS_33"))
),
("hdmi_out", 1,
Subsignal("clk_p", Pins("G21"), IOStandard("TMDS_33"), Inverted()),
Subsignal("clk_n", Pins("G22"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data0_p", Pins("E22"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data0_n", Pins("D22"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data1_p", Pins("C22"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data1_n", Pins("B22"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data2_p", Pins("B21"), IOStandard("TMDS_33"), Inverted()),
Subsignal("data2_n", Pins("A21"), IOStandard("TMDS_33"), Inverted()),
),
]
class Platform(XilinxPlatform):
def __init__(self):
XilinxPlatform.__init__(self, "xc7a35t-fgg484-2", _io, toolchain="vivado")
self.toolchain.bitstream_commands = [
"set_property CONFIG_VOLTAGE 3.3 [current_design]",
"set_property CFGBVS VCCO [current_design]",
"set_property BITSTREAM.CONFIG.CONFIGRATE 40 [current_design]",
"set_property BITSTREAM.CONFIG.SPI_BUSWIDTH 4 [current_design]",
]
self.toolchain.additional_commands = \
["write_cfgmem -verbose -force -format bin -interface spix4 -size 16 "
"-loadbit \"up 0x0 {build_name}.bit\" -file {build_name}.bin"]
def do_finalize(self, fragment):
XilinxPlatform.do_finalize(self, fragment)
self.add_platform_command("""create_clock -name s7pciephy_pcie_clk -period 10 [get_nets pcie_x2_clk_p]""")
from gateware import constraints
constraints.apply_xilinx_pcie_constraints(self)
def csr_map_update(csr_map, csr_peripherals):
csr_map.update(dict((n, v)
for v, n in enumerate(csr_peripherals, start=max(csr_map.values()) + 1)))
def period_ns(freq):
return 1e9/freq
class CRG(Module, AutoCSR):
def __init__(self, platform, sys_clk_freq):
self.reset = CSR()
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_clk100 = ClockDomain()
self.clock_domains.cd_eth = ClockDomain()
clk50 = platform.request("clk50")
platform.add_period_constraint(clk50, period_ns(50e6))
soft_reset = Signal()
self.sync += timeline(self.reset.re, [(1024, [soft_reset.eq(1)])])
self.submodules.pll = pll = S7PLL()
pll.register_clkin(clk50, 50e6)
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_clk100, 100e6)
pll.create_clkout(self.cd_eth, 50e6)
self.submodules.idelayctrl = S7IDELAYCTRL(self.cd_clk200)
class NeTV2SoC(SoCSDRAM):
csr_peripherals = [
"crg",
"dna",
"xadc",
"flash",
"icap",
"ddrphy",
"ethphy",
"ethmac",
"sdclk",
"sdphy",
"sdcore",
"sdtimer",
"sdemulator",
"bist_generator",
"bist_checker",
"pcie_phy",
"pcie_dma0",
"pcie_dma1",
"pcie_msi",
"hdmi_out0",
"hdmi_in0",
"hdmi_in0_freq",
"hdmi_in0_edid_mem",
]
csr_map_update(SoCSDRAM.csr_map, csr_peripherals)
interrupt_map = {
"ethmac": 3,
}
interrupt_map.update(SoCSDRAM.interrupt_map)
mem_map = {
"ethmac": 0x30000000,
}
mem_map.update(SoCSDRAM.mem_map)
#mem_map["csr"] = 0x00000000
#mem_map["rom"] = 0x20000000
def __init__(self, platform,
with_sdram=True,
with_ethernet=False,
with_etherbone=True,
with_sdcard=True,
with_pcie=False,
with_hdmi_in0=False, with_hdmi_out0=False,
with_hdmi_in1=False, with_hdmi_out1=False,
with_interboard_communication=False):
assert not (with_pcie and with_interboard_communication)
sys_clk_freq = int(100e6)
sd_freq = int(100e6)
SoCSDRAM.__init__(self, platform, sys_clk_freq,
#cpu_type="vexriscv", l2_size=32,
cpu_type=None, l2_size=32,
#csr_data_width=8, csr_address_width=14,
csr_data_width=32, csr_address_width=14,
integrated_rom_size=0x8000,
integrated_sram_size=0x4000,
integrated_main_ram_size=0x8000 if not with_sdram else 0,
ident="NeTV2 LiteX Test SoC", ident_version=True,
reserve_nmi_interrupt=False)
# crg
self.submodules.crg = CRG(platform, sys_clk_freq)
# dnax
self.submodules.dna = dna.DNA()
# xadc
self.submodules.xadc = xadc.XADC()
# icap
self.submodules.icap = ICAP(platform)
# flash
self.submodules.flash = Flash(platform.request("flash"), div=math.ceil(sys_clk_freq/25e6))
# sdram
if with_sdram:
self.submodules.ddrphy = a7ddrphy.A7DDRPHY(platform.request("ddram"),
sys_clk_freq=sys_clk_freq, iodelay_clk_freq=200e6)
sdram_module = MT41J128M16(sys_clk_freq, "1:4")
self.register_sdram(self.ddrphy,
sdram_module.geom_settings,
sdram_module.timing_settings,
controller_settings=ControllerSettings(with_bandwidth=True,
cmd_buffer_depth=8,
with_refresh=True))
# ethernet
if with_ethernet:
self.submodules.ethphy = LiteEthPHYRMII(self.platform.request("eth_clocks"),
self.platform.request("eth"))
self.submodules.ethmac = LiteEthMAC(phy=self.ethphy, dw=32, interface="wishbone")
self.add_wb_slave(mem_decoder(self.mem_map["ethmac"]), self.ethmac.bus)
self.add_memory_region("ethmac", self.mem_map["ethmac"] | self.shadow_base, 0x2000)
self.crg.cd_eth.clk.attr.add("keep")
self.platform.add_false_path_constraints(
self.crg.cd_sys.clk,
self.crg.cd_eth.clk)
# etherbone
if with_etherbone:
self.submodules.ethphy = LiteEthPHYRMII(self.platform.request("eth_clocks"), self.platform.request("eth"))
self.submodules.ethcore = LiteEthUDPIPCore(self.ethphy, 0x10e2d5000000, convert_ip("192.168.1.50"), sys_clk_freq)
self.add_cpu(LiteEthEtherbone(self.ethcore.udp, 1234, mode="master"))
self.add_wb_master(self.cpu.wishbone.bus)
#self.submodules.etherbone = LiteEthEtherbone(self.ethcore.udp, 1234, mode="master")
#self.add_wb_master(self.etherbone.wishbone.bus)
self.crg.cd_eth.clk.attr.add("keep")
self.platform.add_false_path_constraints(
self.crg.cd_sys.clk,
self.crg.cd_eth.clk)
# sdcard
self.submodules.sdclk = SDClockerS7()
self.submodules.sdphy = SDPHY(platform.request("sdcard"), platform.device)
self.submodules.sdcore = SDCore(self.sdphy)
self.submodules.sdtimer = Timer()
self.submodules.bist_generator = BISTBlockGenerator(random=True)
self.submodules.bist_checker = BISTBlockChecker(random=True)
self.comb += [
self.sdcore.source.connect(self.bist_checker.sink),
self.bist_generator.source.connect(self.sdcore.sink)
]
self.platform.add_period_constraint(self.crg.cd_sys.clk, 1e9/sys_clk_freq)
self.platform.add_period_constraint(self.sdclk.cd_sd.clk, 1e9/sd_freq)
self.platform.add_period_constraint(self.sdclk.cd_sd_fb.clk, 1e9/sd_freq)
self.crg.cd_sys.clk.attr.add("keep")
self.sdclk.cd_sd.clk.attr.add("keep")
self.sdclk.cd_sd_fb.clk.attr.add("keep")
self.platform.add_false_path_constraints(
self.crg.cd_sys.clk,
self.sdclk.cd_sd.clk,
self.sdclk.cd_sd_fb.clk)
# pcie
if with_pcie:
# pcie phy
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x2"))
platform.add_false_path_constraints(
self.crg.cd_sys.clk,
self.pcie_phy.cd_pcie.clk)
# pcie endpoint
self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy, with_reordering=True)
# pcie wishbone bridge
self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint, lambda a: 1, shadow_base=0x80000000)
self.add_wb_master(self.pcie_bridge.wishbone)
# pcie dma
self.submodules.pcie_dma0 = LitePCIeDMA(self.pcie_phy, self.pcie_endpoint, with_loopback=True)
# pcie msi
self.submodules.pcie_msi = LitePCIeMSI()
self.comb += self.pcie_msi.source.connect(self.pcie_phy.msi)
self.interrupts = {
"PCIE_DMA0_WRITER": self.pcie_dma0.writer.irq,
"PCIE_DMA0_READER": self.pcie_dma0.reader.irq
}
for i, (k, v) in enumerate(sorted(self.interrupts.items())):
self.comb += self.pcie_msi.irqs[i].eq(v)
self.add_constant(k + "_INTERRUPT", i)
# interboard communication
if with_interboard_communication:
self.clock_domains.cd_refclk = ClockDomain()
self.submodules.refclk_pll = refclk_pll = S7PLL()
refclk_pll.register_clkin(platform.lookup_request("clk50"), 50e6)
refclk_pll.create_clkout(self.cd_refclk, 125e6)
platform.add_platform_command("set_property SEVERITY {{Warning}} [get_drc_checks REQP-49]")
# qpll
qpll = GTPQuadPLL(ClockSignal("refclk"), 125e6, 1.25e9)
print(qpll)
self.submodules += qpll
# gtp
gtp = GTP(qpll,
platform.request("interboard_comm_tx"),
platform.request("interboard_comm_rx"),
sys_clk_freq,
clock_aligner=True, internal_loopback=False)
self.submodules += gtp
counter = Signal(32)
self.sync.tx += counter.eq(counter + 1)
# send counter to other-board
self.comb += [
gtp.encoder.k[0].eq(1),
gtp.encoder.d[0].eq((5 << 5) | 28),
gtp.encoder.k[1].eq(0),
gtp.encoder.d[1].eq(counter[26:])
]
# receive counter and display it on leds
self.comb += [
platform.request("user_led", 3).eq(gtp.rx_ready),
platform.request("user_led", 4).eq(gtp.decoders[1].d[0]),
platform.request("user_led", 5).eq(gtp.decoders[1].d[1])
]
gtp.cd_tx.clk.attr.add("keep")
gtp.cd_rx.clk.attr.add("keep")
platform.add_period_constraint(gtp.cd_tx.clk, 1e9/gtp.tx_clk_freq)
platform.add_period_constraint(gtp.cd_rx.clk, 1e9/gtp.tx_clk_freq)
self.platform.add_false_path_constraints(
self.crg.cd_sys.clk,
gtp.cd_tx.clk,
gtp.cd_rx.clk)
# hdmi in 0
if with_hdmi_in0:
hdmi_in0_pads = platform.request("hdmi_in", 0)
self.submodules.hdmi_in0_freq = FreqMeter(period=sys_clk_freq)
self.submodules.hdmi_in0 = HDMIIn(
hdmi_in0_pads,
self.sdram.crossbar.get_port(mode="write"),
fifo_depth=512,
device="xc7",
split_mmcm=True)
self.comb += self.hdmi_in0_freq.clk.eq(self.hdmi_in0.clocking.cd_pix.clk),
for clk in [self.hdmi_in0.clocking.cd_pix.clk,
self.hdmi_in0.clocking.cd_pix1p25x.clk,
self.hdmi_in0.clocking.cd_pix5x.clk]:
self.platform.add_false_path_constraints(self.crg.cd_sys.clk, clk)
self.platform.add_period_constraint(platform.lookup_request("hdmi_in", 0).clk_p, period_ns(148.5e6))
# hdmi out 0
if with_hdmi_out0:
hdmi_out0_dram_port = self.sdram.crossbar.get_port(mode="read", dw=16, cd="hdmi_out0_pix", reverse=True)
self.submodules.hdmi_out0 = VideoOut(
platform.device,
platform.request("hdmi_out", 0),
hdmi_out0_dram_port,
"ycbcr422",
fifo_depth=4096)
for clk in [self.hdmi_out0.driver.clocking.cd_pix.clk,
self.hdmi_out0.driver.clocking.cd_pix5x.clk]:
self.platform.add_false_path_constraints(self.crg.cd_sys.clk, clk)
# hdmi in 1
if with_hdmi_in1:
hdmi_in1_pads = platform.request("hdmi_in", 1)
self.submodules.hdmi_in1_freq = FreqMeter(period=sys_clk_freq)
self.submodules.hdmi_in1 = HDMIIn(
hdmi_in1_pads,
self.sdram.crossbar.get_port(mode="write"),
fifo_depth=512,
device="xc7",
split_mmcm=True)
self.comb += self.hdmi_in1_freq.clk.eq(self.hdmi_in1.clocking.cd_pix.clk),
for clk in [self.hdmi_in1.clocking.cd_pix.clk,
self.hdmi_in1.clocking.cd_pix1p25x.clk,
self.hdmi_in1.clocking.cd_pix5x.clk]:
self.platform.add_false_path_constraints(self.crg.cd_sys.clk, clk)
self.platform.add_period_constraint(platform.lookup_request("hdmi_in", 1).clk_p, period_ns(148.5e6))
# hdmi out 1
if with_hdmi_out1:
hdmi_out1_dram_port = self.sdram.crossbar.get_port(mode="read", dw=16, cd="hdmi_out1_pix", reverse=True)
self.submodules.hdmi_out1 = VideoOut(
platform.device,
platform.request("hdmi_out", 1),
hdmi_out1_dram_port,
"ycbcr422",
fifo_depth=4096)
for clk in [self.hdmi_out1.driver.clocking.cd_pix.clk,
self.hdmi_out1.driver.clocking.cd_pix5x.clk]:
self.platform.add_false_path_constraints(self.crg.cd_sys.clk, clk)
# led blinking (sys)
sys_counter = Signal(32)
self.sync.sys += sys_counter.eq(sys_counter + 1)
self.comb += platform.request("user_led", 0).eq(sys_counter[26])
# led blinking (pcie)
if with_pcie:
pcie_counter = Signal(32)
self.sync.pcie += pcie_counter.eq(pcie_counter + 1)
self.comb += platform.request("user_led", 1).eq(pcie_counter[26])
# led blinking (sdcard)
if with_sdcard:
sd_counter = Signal(32)
self.sync.sd += sd_counter.eq(sd_counter + 1)
self.comb += platform.request("user_led", 1).eq(sd_counter[26])
def generate_software_header(self):
csr_header = get_csr_header(self.csr_regions,
self.constants,
with_access_functions=False,
with_shadow_base=False)
tools.write_to_file(os.path.join("software", "pcie", "kernel", "csr.h"), csr_header)
class NeTV2MVPSoC(NeTV2SoC):
def __init__(self, platform):
NeTV2SoC.__init__(self, platform, with_ethernet=False)
def main():
platform = Platform()
if "mvp" in sys.argv[1:]:
soc = NeTV2MVPSoC(platform)
else:
soc = NeTV2SoC(platform)
if "no-compile" in sys.argv[1:]:
compile_gateware = False
else:
compile_gateware = True
builder = Builder(soc, output_dir="build", csr_csv="test/csr.csv", compile_gateware=compile_gateware)
vns = builder.build(build_name="netv2")
soc.generate_software_header()
if __name__ == "__main__":
main()