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targets/pcie: simplify using new LiteX's add_pcie method and enable it on all devices supported by LitePCIe.

This commit is contained in:
Florent Kermarrec 2020-11-12 16:39:42 +01:00
parent 9f11bfb0d1
commit 843e724e3d
12 changed files with 131 additions and 280 deletions
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10
litex_boards/platforms/ac701.py
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@ -103,6 +103,16 @@ _io = [
Subsignal("tx_n", Pins("C10"))
),
("pcie_x4", 0,
Subsignal("rst_n", Pins("M20"), IOStandard("LVCMOS25")),
Subsignal("clk_p", Pins("F11")),
Subsignal("clk_n", Pins("E11")),
Subsignal("rx_p", Pins("D12 B13 D14 B11")),
Subsignal("rx_n", Pins("C12 A13 C14 A11")),
Subsignal("tx_p", Pins("D10 B9 D8 B7")),
Subsignal("tx_n", Pins("C10 A9 C8 A7"))
),
# GTP RefClk
("gtp_refclk", 0,
Subsignal("p", Pins("AA13")),

26
litex_boards/targets/ac701.py
View File

@ -4,7 +4,7 @@
# This file is part of LiteX-Boards.
#
# Copyright (c) 2019 Vamsi K Vytla <vamsi.vytla@gmail.com>
# Copyright (c) 2019 Florent Kermarrec <florent@enjoy-digital.fr>
# Copyright (c) 2019-2020 Florent Kermarrec <florent@enjoy-digital.fr>
# SPDX-License-Identifier: BSD-2-Clause
import os
@ -28,6 +28,9 @@ from liteeth.phy.a7_gtp import QPLLSettings, QPLL
from liteeth.phy.a7_1000basex import A7_1000BASEX
from liteeth.phy.s7rgmii import LiteEthPHYRGMII
from litepcie.phy.s7pciephy import S7PCIEPHY
from litepcie.software import generate_litepcie_software
# CRG ----------------------------------------------------------------------------------------------
class _CRG(Module):
@ -53,7 +56,7 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(100e6), with_ethernet=False, ethernet_phy="rgmii", **kwargs):
def __init__(self, sys_clk_freq=int(100e6), with_ethernet=False, ethernet_phy="rgmii", with_pcie=False, **kwargs):
platform = ac701.Platform()
# SoCCore ----------------------------------------------------------------------------------
@ -121,6 +124,14 @@ class BaseSoC(SoCCore):
self.add_ethernet(phy=self.ethphy)
# PCIe -------------------------------------------------------------------------------------
if with_pcie:
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"),
data_width = 128,
bar0_size = 0x20000)
self.add_csr("pcie_phy")
self.add_pcie(phy=self.pcie_phy, ndmas=1)
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(
pads = platform.request_all("user_led"),
@ -136,12 +147,21 @@ def main():
parser.add_argument("--load", action="store_true", help="Load bitstream")
parser.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet support")
parser.add_argument("--ethernet-phy", default="rgmii", help="Select Ethernet PHY: rgmii (default) or 1000basex")
parser.add_argument("--with-pcie", action="store_true", help="Enable PCIe support")
parser.add_argument("--driver", action="store_true", help="Generate PCIe driver")
args = parser.parse_args()
soc = BaseSoC(with_ethernet=args.with_ethernet, ethernet_phy=args.ethernet_phy, **soc_sdram_argdict(args))
soc = BaseSoC(
with_ethernet = args.with_ethernet,
ethernet_phy = args.ethernet_phy,
with_pcie = args.with_pcie,
**soc_sdram_argdict(args))
builder = Builder(soc, **builder_argdict(args))
builder.build(run=args.build)
if args.driver:
generate_litepcie_software(soc, os.path.join(builder.output_dir, "driver"))
if args.load:
prog = soc.platform.create_programmer()
prog.load_bitstream(os.path.join(builder.gateware_dir, soc.build_name + ".bit"))

54
litex_boards/targets/acorn_cle_215.py
View File

@ -43,9 +43,6 @@ from litedram.modules import MT41K512M16
from litedram.phy import s7ddrphy
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 litepcie.software import generate_litepcie_software
# CRG ----------------------------------------------------------------------------------------------
@ -108,50 +105,11 @@ class BaseSoC(SoCCore):
# PCIe -------------------------------------------------------------------------------------
if with_pcie:
assert self.csr_data_width == 32
# PHY
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"),
data_width = 128,
bar0_size = 0x20000)
platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk)
self.add_csr("pcie_phy")
self.comb += platform.request("pcie_clkreq_n").eq(0)
# Endpoint
self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy, max_pending_requests=8)
# Wishbone bridge
self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint,
base_address = self.mem_map["csr"])
self.add_wb_master(self.pcie_bridge.wishbone)
# DMA0
self.submodules.pcie_dma0 = LitePCIeDMA(self.pcie_phy, self.pcie_endpoint,
with_buffering = True, buffering_depth=1024,
with_loopback = True)
self.add_csr("pcie_dma0")
# DMA1
self.submodules.pcie_dma1 = LitePCIeDMA(self.pcie_phy, self.pcie_endpoint,
with_buffering = True, buffering_depth=1024,
with_loopback = True)
self.add_csr("pcie_dma1")
self.add_constant("DMA_CHANNELS", 2)
# MSI
self.submodules.pcie_msi = LitePCIeMSI()
self.add_csr("pcie_msi")
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,
"PCIE_DMA1_WRITER": self.pcie_dma1.writer.irq,
"PCIE_DMA1_READER": self.pcie_dma1.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)
self.add_pcie(phy=self.pcie_phy, ndmas=1)
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(
@ -164,24 +122,22 @@ class BaseSoC(SoCCore):
def main():
parser = argparse.ArgumentParser(description="LiteX SoC on Acorn CLE 215+")
parser.add_argument("--build", action="store_true", help="Build bitstream")
parser.add_argument("--with-pcie", action="store_true", help="Enable PCIe support")
parser.add_argument("--with-spi-sdcard", action="store_true", help="Enable SPI-mode SDCard support (requires SDCard adapter on P2)")
parser.add_argument("--driver", action="store_true", help="Generate PCIe driver")
parser.add_argument("--load", action="store_true", help="Load bitstream")
parser.add_argument("--flash", action="store_true", help="Flash bitstream")
parser.add_argument("--with-pcie", action="store_true", help="Enable PCIe support")
parser.add_argument("--driver", action="store_true", help="Generate PCIe driver")
parser.add_argument("--with-spi-sdcard", action="store_true", help="Enable SPI-mode SDCard support (requires SDCard adapter on P2)")
builder_args(parser)
soc_sdram_args(parser)
args = parser.parse_args()
soc = BaseSoC(with_pcie=args.with_pcie, **soc_sdram_argdict(args))
soc = BaseSoC(with_pcie = args.with_pcie, **soc_sdram_argdict(args))
if args.with_spi_sdcard:
soc.add_spi_sdcard()
builder = Builder(soc, **builder_argdict(args))
builder.build(run=args.build)
if args.driver:
generate_litepcie_software(soc, os.path.join(builder.output_dir, "driver"))

37
litex_boards/targets/aller.py
View File

@ -4,7 +4,7 @@
# This file is part of LiteX-Boards.
#
# Copyright (c) 2018-2019 Rohit Singh <rohit@rohitksingh.in>
# Copyright (c) 2019 Florent Kermarrec <florent@enjoy-digital.fr>
# Copyright (c) 2019-2020 Florent Kermarrec <florent@enjoy-digital.fr>
# SPDX-License-Identifier: BSD-2-Clause
import os
@ -27,9 +27,6 @@ from litedram.modules import MT41J128M16
from litedram.phy import s7ddrphy
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 litepcie.software import generate_litepcie_software
# CRG ----------------------------------------------------------------------------------------------
@ -91,41 +88,11 @@ class BaseSoC(SoCCore):
# PCIe -------------------------------------------------------------------------------------
if with_pcie:
assert self.csr_data_width == 32
# PHY
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"),
data_width = 128,
bar0_size = 0x20000)
platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk)
self.add_csr("pcie_phy")
# Endpoint
self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy, max_pending_requests=8)
# Wishbone bridge
self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint,
base_address = self.mem_map["csr"])
self.add_wb_master(self.pcie_bridge.wishbone)
# DMA0
self.submodules.pcie_dma0 = LitePCIeDMA(self.pcie_phy, self.pcie_endpoint,
with_buffering = True, buffering_depth=1024,
with_loopback = True)
self.add_csr("pcie_dma0")
self.add_constant("DMA_CHANNELS", 1)
# MSI
self.submodules.pcie_msi = LitePCIeMSI()
self.add_csr("pcie_msi")
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)
self.add_pcie(phy=self.pcie_phy, ndmas=1)
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(

35
litex_boards/targets/alveo_u250.py
View File

@ -25,9 +25,6 @@ from litedram.modules import MTA18ASF2G72PZ
from litedram.phy import usddrphy
from litepcie.phy.usppciephy import USPPCIEPHY
from litepcie.core import LitePCIeEndpoint, LitePCIeMSI
from litepcie.frontend.dma import LitePCIeDMA
from litepcie.frontend.wishbone import LitePCIeWishboneBridge
from litepcie.software import generate_litepcie_software
# CRG ----------------------------------------------------------------------------------------------
@ -97,41 +94,11 @@ class BaseSoC(SoCCore):
# PCIe -------------------------------------------------------------------------------------
if with_pcie:
assert self.csr_data_width == 32
# PHY
self.submodules.pcie_phy = USPPCIEPHY(platform, platform.request("pcie_x4"),
data_width = 128,
bar0_size = 0x20000)
platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk)
self.add_csr("pcie_phy")
# Endpoint
self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy, max_pending_requests=8)
# Wishbone bridge
self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint,
base_address = self.mem_map["csr"])
self.add_wb_master(self.pcie_bridge.wishbone)
# DMA0
self.submodules.pcie_dma0 = LitePCIeDMA(self.pcie_phy, self.pcie_endpoint,
with_buffering = True, buffering_depth=1024,
with_loopback = True)
self.add_csr("pcie_dma0")
self.add_constant("DMA_CHANNELS", 1)
# MSI
self.submodules.pcie_msi = LitePCIeMSI()
self.add_csr("pcie_msi")
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)
self.add_pcie(phy=self.pcie_phy, ndmas=1)
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(

27
litex_boards/targets/kc705.py
View File

@ -4,7 +4,7 @@
# This file is part of LiteX-Boards.
#
# Copyright (c) 2014-2015 Sebastien Bourdeauducq <sb@m-labs.hk>
# Copyright (c) 2014-2019 Florent Kermarrec <florent@enjoy-digital.fr>
# Copyright (c) 2014-2020 Florent Kermarrec <florent@enjoy-digital.fr>
# Copyright (c) 2014-2015 Yann Sionneau <ys@m-labs.hk>
# SPDX-License-Identifier: BSD-2-Clause
@ -26,6 +26,9 @@ from litedram.phy import s7ddrphy
from liteeth.phy import LiteEthPHY
from litepcie.phy.s7pciephy import S7PCIEPHY
from litepcie.software import generate_litepcie_software
# CRG ----------------------------------------------------------------------------------------------
class _CRG(Module):
@ -49,7 +52,7 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(125e6), with_ethernet=False, with_sata=False, **kwargs):
def __init__(self, sys_clk_freq=int(125e6), with_ethernet=False, with_pcie=False, with_sata=False, **kwargs):
platform = kc705.Platform()
# SoCCore ----------------------------------------------------------------------------------
@ -87,6 +90,14 @@ class BaseSoC(SoCCore):
self.add_csr("ethphy")
self.add_ethernet(phy=self.ethphy)
# PCIe -------------------------------------------------------------------------------------
if with_pcie:
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"),
data_width = 128,
bar0_size = 0x20000)
self.add_csr("pcie_phy")
self.add_pcie(phy=self.pcie_phy, ndmas=1)
# SATA -------------------------------------------------------------------------------------
if with_sata:
from litex.build.generic_platform import Subsignal, Pins
@ -135,15 +146,25 @@ def main():
parser.add_argument("--build", action="store_true", help="Build bitstream")
parser.add_argument("--load", action="store_true", help="Load bitstream")
parser.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet support")
parser.add_argument("--with-pcie", action="store_true", help="Enable PCIe support")
parser.add_argument("--driver", action="store_true", help="Generate PCIe driver")
parser.add_argument("--with-sata", action="store_true", help="Enable SATA support (over SFP2SATA)")
builder_args(parser)
soc_sdram_args(parser)
args = parser.parse_args()
soc = BaseSoC(with_ethernet=args.with_ethernet, with_sata=args.with_sata, **soc_sdram_argdict(args))
soc = BaseSoC(
with_ethernet = args.with_ethernet,
with_pcie = args.with_pcie,
with_sata = args.with_sata,
**soc_sdram_argdict(args)
)
builder = Builder(soc, **builder_argdict(args))
builder.build(run=args.build)
if args.driver:
generate_litepcie_software(soc, os.path.join(builder.output_dir, "driver"))
if args.load:
prog = soc.platform.create_programmer()
prog.load_bitstream(os.path.join(builder.gateware_dir, soc.build_name + ".bit"))

32
litex_boards/targets/kcu105.py
View File

@ -3,7 +3,7 @@
#
# This file is part of LiteX-Boards.
#
# Copyright (c) 2018-2019 Florent Kermarrec <florent@enjoy-digital.fr>
# Copyright (c) 2018-2020 Florent Kermarrec <florent@enjoy-digital.fr>
# SPDX-License-Identifier: BSD-2-Clause
import os
@ -25,6 +25,9 @@ from litedram.phy import usddrphy
from liteeth.phy.ku_1000basex import KU_1000BASEX
from litepcie.phy.uspciephy import USPCIEPHY
from litepcie.software import generate_litepcie_software
# CRG ----------------------------------------------------------------------------------------------
class _CRG(Module):
@ -59,7 +62,7 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(125e6), with_ethernet=False, with_etherbone=False, **kwargs):
def __init__(self, sys_clk_freq=int(125e6), with_ethernet=False, with_etherbone=False, with_pcie=False, **kwargs):
platform = kcu105.Platform()
# SoCCore ----------------------------------------------------------------------------------
@ -101,6 +104,14 @@ class BaseSoC(SoCCore):
if with_etherbone:
self.add_etherbone(phy=self.ethphy)
# PCIe -------------------------------------------------------------------------------------
if with_pcie:
self.submodules.pcie_phy = USPCIEPHY(platform, platform.request("pcie_x4"),
data_width = 128,
bar0_size = 0x20000)
self.add_csr("pcie_phy")
self.add_pcie(phy=self.pcie_phy, ndmas=1)
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(
pads = platform.request_all("user_led"),
@ -113,18 +124,27 @@ def main():
parser = argparse.ArgumentParser(description="LiteX SoC on KCU105")
parser.add_argument("--build", action="store_true", help="Build bitstream")
parser.add_argument("--load", action="store_true", help="Load bitstream")
builder_args(parser)
soc_sdram_args(parser)
parser.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet support")
parser.add_argument("--with-etherbone", action="store_true", help="Enable Etherbone support")
parser.add_argument("--with-pcie", action="store_true", help="Enable PCIe support")
parser.add_argument("--driver", action="store_true", help="Generate PCIe driver")
builder_args(parser)
soc_sdram_args(parser)
args = parser.parse_args()
assert not (args.with_ethernet and args.with_etherbone)
soc = BaseSoC(with_ethernet=args.with_ethernet, with_etherbone=args.with_etherbone,
**soc_sdram_argdict(args))
soc = BaseSoC(
with_ethernet = args.with_ethernet,
with_etherbone = args.with_etherbone,
with_pcie = args.with_pcie,
**soc_sdram_argdict(args)
)
builder = Builder(soc, **builder_argdict(args))
builder.build(run=args.build)
if args.driver:
generate_litepcie_software(soc, os.path.join(builder.output_dir, "driver"))
if args.load:
prog = soc.platform.create_programmer()
prog.load_bitstream(os.path.join(builder.gateware_dir, soc.build_name + ".bit"))

44
litex_boards/targets/nereid.py
View File

@ -4,7 +4,7 @@
# This file is part of LiteX-Boards.
#
# Copyright (c) 2018-2019 Rohit Singh <rohit@rohitksingh.in>
# Copyright (c) 2019 Florent Kermarrec <florent@enjoy-digital.fr>
# Copyright (c) 2019-2020 Florent Kermarrec <florent@enjoy-digital.fr>
# SPDX-License-Identifier: BSD-2-Clause
import os
@ -26,9 +26,6 @@ from litedram.modules import MT8KTF51264
from litedram.phy import s7ddrphy
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 litepcie.software import generate_litepcie_software
# CRG ----------------------------------------------------------------------------------------------
@ -86,59 +83,30 @@ class BaseSoC(SoCCore):
l2_cache_reverse = True
)
# PCIe -------------------------------------------------------------------------------------
if with_pcie:
assert self.csr_data_width == 32
# PHY
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"),
data_width = 128,
bar0_size = 0x20000)
platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk)
self.add_csr("pcie_phy")
# Endpoint
self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy, max_pending_requests=8)
# Wishbone bridge
self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint,
base_address = self.mem_map["csr"])
self.add_wb_master(self.pcie_bridge.wishbone)
# DMA0
self.submodules.pcie_dma0 = LitePCIeDMA(self.pcie_phy, self.pcie_endpoint,
with_buffering = True, buffering_depth=1024,
with_loopback = True)
self.add_csr("pcie_dma0")
self.add_constant("DMA_CHANNELS", 1)
# MSI
self.submodules.pcie_msi = LitePCIeMSI()
self.add_csr("pcie_msi")
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)
self.add_pcie(phy=self.pcie_phy, ndmas=1)
# Build --------------------------------------------------------------------------------------------
def main():
parser = argparse.ArgumentParser(description="LiteX SoC on Nereid")
parser.add_argument("--build", action="store_true", help="Build bitstream")
parser.add_argument("--with-pcie", action="store_true", help="Enable PCIe support")
parser.add_argument("--driver", action="store_true", help="Generate LitePCIe driver")
parser.add_argument("--load", action="store_true", help="Load bitstream")
parser.add_argument("--with-pcie", action="store_true", help="Enable PCIe support")
parser.add_argument("--driver", action="store_true", help="Generate PCIe driver")
builder_args(parser)
soc_sdram_args(parser)
args = parser.parse_args()
platform = nereid.Platform()
soc = BaseSoC(platform, with_pcie=args.with_pcie, **soc_sdram_argdict(args))
builder = Builder(soc, **builder_argdict(args))
builder = Builder(soc, **builder_argdict(args))
builder.build(run=args.build)
if args.driver:

42
litex_boards/targets/netv2.py
View File

@ -28,9 +28,6 @@ from litedram.phy import s7ddrphy
from liteeth.phy.rmii import LiteEthPHYRMII
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 litepcie.software import generate_litepcie_software
# CRG ----------------------------------------------------------------------------------------------
@ -103,41 +100,11 @@ class BaseSoC(SoCCore):
# PCIe -------------------------------------------------------------------------------------
if with_pcie:
assert self.csr_data_width == 32
# PHY
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"),
data_width = 128,
bar0_size = 0x20000)
platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk)
self.add_csr("pcie_phy")
# Endpoint
self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy, max_pending_requests=8)
# Wishbone bridge
self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint,
base_address = self.mem_map["csr"])
self.add_wb_master(self.pcie_bridge.wishbone)
# DMA0
self.submodules.pcie_dma0 = LitePCIeDMA(self.pcie_phy, self.pcie_endpoint,
with_buffering = True, buffering_depth=1024,
with_loopback = True)
self.add_csr("pcie_dma0")
self.add_constant("DMA_CHANNELS", 1)
# MSI
self.submodules.pcie_msi = LitePCIeMSI()
self.add_csr("pcie_msi")
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)
self.add_pcie(phy=self.pcie_phy, ndmas=1)
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(
@ -161,7 +128,11 @@ def main():
soc_sdram_args(parser)
args = parser.parse_args()
soc = BaseSoC(with_ethernet=args.with_ethernet, with_pcie=args.with_pcie, **soc_sdram_argdict(args))
soc = BaseSoC(
with_ethernet = args.with_ethernet,
with_pcie = args.with_pcie,
**soc_sdram_argdict(args)
)
assert not (args.with_spi_sdcard and args.with_sdcard)
if args.with_spi_sdcard:
soc.add_spi_sdcard()
@ -170,7 +141,6 @@ def main():
builder = Builder(soc, **builder_argdict(args))
builder.build(run=args.build)
if args.driver:
generate_litepcie_software(soc, os.path.join(builder.output_dir, "driver"))

44
litex_boards/targets/tagus.py
View File

@ -4,7 +4,7 @@
# This file is part of LiteX-Boards.
#
# Copyright (c) 2018-2019 Rohit Singh <rohit@rohitksingh.in>
# Copyright (c) 2019 Florent Kermarrec <florent@enjoy-digital.fr>
# Copyright (c) 2019-2020 Florent Kermarrec <florent@enjoy-digital.fr>
# SPDX-License-Identifier: BSD-2-Clause
import os
@ -26,10 +26,8 @@ from litex.soc.cores.led import LedChaser
from litedram.modules import MT41J128M16
from litedram.phy import s7ddrphy
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 litepcie.software import generate_litepcie_software
# CRG ----------------------------------------------------------------------------------------------
@ -91,41 +89,11 @@ class BaseSoC(SoCCore):
# PCIe -------------------------------------------------------------------------------------
if with_pcie:
assert self.csr_data_width == 32
# PHY
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x1"),
data_width = 64,
data_width = 128,
bar0_size = 0x20000)
platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk)
self.add_csr("pcie_phy")
# Endpoint
self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy)
# Wishbone bridge
self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint,
base_address = self.mem_map["csr"])
self.add_wb_master(self.pcie_bridge.wishbone)
# DMA0
self.submodules.pcie_dma0 = LitePCIeDMA(self.pcie_phy, self.pcie_endpoint,
with_buffering = True, buffering_depth=1024,
with_loopback = True)
self.add_csr("pcie_dma0")
self.add_constant("DMA_CHANNELS", 1)
# MSI
self.submodules.pcie_msi = LitePCIeMSI()
self.add_csr("pcie_msi")
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)
self.add_pcie(phy=self.pcie_phy, ndmas=1)
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(
@ -139,7 +107,7 @@ def main():
parser = argparse.ArgumentParser(description="LiteX SoC on Tagus")
parser.add_argument("--build", action="store_true", help="Build bitstream")
parser.add_argument("--with-pcie", action="store_true", help="Enable PCIe support")
parser.add_argument("--driver", action="store_true", help="Generate LitePCIe driver")
parser.add_argument("--driver", action="store_true", help="Generate PCIe driver")
parser.add_argument("--load", action="store_true", help="Load bitstream")
builder_args(parser)
soc_sdram_args(parser)
@ -147,7 +115,7 @@ def main():
platform = tagus.Platform()
soc = BaseSoC(platform, with_pcie=args.with_pcie, **soc_sdram_argdict(args))
builder = Builder(soc, **builder_argdict(args))
builder = Builder(soc, **builder_argdict(args))
builder.build(run=args.build)
if args.driver:

25
litex_boards/targets/vc707.py
View File

@ -21,6 +21,10 @@ from litex.soc.cores.led import LedChaser
from litedram.modules import MT8JTF12864
from litedram.phy import s7ddrphy
from litepcie.phy.s7pciephy import S7PCIEPHY
from litepcie.software import generate_litepcie_software
# CRG ----------------------------------------------------------------------------------------------
class _CRG(Module):
@ -44,7 +48,7 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(125e6), **kwargs):
def __init__(self, sys_clk_freq=int(125e6), with_pcie=False, **kwargs):
platform = vc707.Platform()
# SoCCore ----------------------------------------------------------------------------------
@ -73,6 +77,14 @@ class BaseSoC(SoCCore):
l2_cache_reverse = True
)
# PCIe -------------------------------------------------------------------------------------
if with_pcie:
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"),
data_width = 128,
bar0_size = 0x20000)
self.add_csr("pcie_phy")
self.add_pcie(phy=self.pcie_phy, ndmas=1)
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(
pads = platform.request_all("user_led"),
@ -83,16 +95,21 @@ class BaseSoC(SoCCore):
def main():
parser = argparse.ArgumentParser(description="LiteX SoC on VC707")
parser.add_argument("--build", action="store_true", help="Build bitstream")
parser.add_argument("--load", action="store_true", help="Load bitstream")
parser.add_argument("--build", action="store_true", help="Build bitstream")
parser.add_argument("--load", action="store_true", help="Load bitstream")
parser.add_argument("--with-pcie", action="store_true", help="Enable PCIe support")
parser.add_argument("--driver", action="store_true", help="Generate PCIe driver")
builder_args(parser)
soc_sdram_args(parser)
args = parser.parse_args()
soc = BaseSoC(**soc_sdram_argdict(args))
soc = BaseSoC(with_pcie_=args.with_pcie, **soc_sdram_argdict(args))
builder = Builder(soc, **builder_argdict(args))
builder.build(run=args.build)
if args.driver:
generate_litepcie_software(soc, os.path.join(builder.output_dir, "driver"))
if args.load:
prog = soc.platform.create_programmer()
prog.load_bitstream(os.path.join(builder.gateware_dir, soc.build_name + ".bit"))

35
litex_boards/targets/xcu1525.py
View File

@ -24,9 +24,6 @@ from litedram.modules import MT40A512M8
from litedram.phy import usddrphy
from litepcie.phy.usppciephy import USPPCIEPHY
from litepcie.core import LitePCIeEndpoint, LitePCIeMSI
from litepcie.frontend.dma import LitePCIeDMA
from litepcie.frontend.wishbone import LitePCIeWishboneBridge
from litepcie.software import generate_litepcie_software
# CRG ----------------------------------------------------------------------------------------------
@ -95,41 +92,11 @@ class BaseSoC(SoCCore):
# PCIe -------------------------------------------------------------------------------------
if with_pcie:
assert self.csr_data_width == 32
# PHY
self.submodules.pcie_phy = USPPCIEPHY(platform, platform.request("pcie_x4"),
data_width = 128,
bar0_size = 0x20000)
platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk)
self.add_csr("pcie_phy")
# Endpoint
self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy, max_pending_requests=8)
# Wishbone bridge
self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint,
base_address = self.mem_map["csr"])
self.add_wb_master(self.pcie_bridge.wishbone)
# DMA0
self.submodules.pcie_dma0 = LitePCIeDMA(self.pcie_phy, self.pcie_endpoint,
with_buffering = True, buffering_depth=1024,
with_loopback = True)
self.add_csr("pcie_dma0")
self.add_constant("DMA_CHANNELS", 1)
# MSI
self.submodules.pcie_msi = LitePCIeMSI()
self.add_csr("pcie_msi")
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)
self.add_pcie(phy=self.pcie_phy, ndmas=1)
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(