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alinx_axau15: Add RGMII Ethernet/Etherbone support.

This commit is contained in:
Florent Kermarrec 2024-03-25 15:40:14 +01:00
parent 11bf6ea703
commit 191a5bb17a
2 changed files with 29 additions and 23 deletions
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2
litex_boards/platforms/alinx_axau15.py
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@ -100,7 +100,7 @@ _io = [
),
("eth", 0,
Subsignal("rst_n", Pins("AF23"), IOStandard("LVCMOS18")),
Subsignal("int_n", Pins("AK16"), IOStandard("LVCMOS18")),
#Subsignal("int_n", Pins(""), IOStandard("LVCMOS18")),
Subsignal("mdio", Pins("AE18"), IOStandard("LVCMOS18")),
Subsignal("mdc", Pins("AF20"), IOStandard("LVCMOS18")),
Subsignal("rx_ctl", Pins("AE21"), IOStandard("LVCMOS18")),

50
litex_boards/targets/alinx_axau15.py
View File

@ -22,6 +22,8 @@ from litex.soc.cores.led import LedChaser
from litedram.modules import MT40A512M16
from litedram.phy import usddrphy
from liteeth.phy.usrgmii import LiteEthPHYRGMII
from litepcie.phy.usppciephy import USPPCIEPHY
from litepcie.software import generate_litepcie_software
@ -57,6 +59,7 @@ class BaseSoC(SoCCore):
with_ethernet = False,
with_etherbone = False,
eth_ip = "192.168.1.50",
remote_ip = None,
with_led_chaser = True,
with_pcie = False,
**kwargs):
@ -91,17 +94,18 @@ class BaseSoC(SoCCore):
self.add_pcie(phy=self.pcie_phy, ndmas=1)
# Ethernet / Etherbone ---------------------------------------------------------------------
# TODO: add SFP+ cages for ethernet
# if with_ethernet or with_etherbone:
# self.ethphy = KU_1000BASEX(self.crg.cd_eth.clk,
# data_pads = self.platform.request("sfp", 0),
# sys_clk_freq = self.clk_freq)
# self.comb += self.platform.request("sfp_tx_disable_n", 0).eq(1)
# self.platform.add_platform_command("set_property SEVERITY {{Warning}} [get_drc_checks REQP-1753]")
# if with_ethernet:
# self.add_ethernet(phy=self.ethphy)
# if with_etherbone:
# self.add_etherbone(phy=self.ethphy, ip_address=eth_ip)
if with_ethernet or with_etherbone:
self.ethphy = LiteEthPHYRGMII(
clock_pads = self.platform.request("eth_clocks"),
pads = self.platform.request("eth"),
tx_delay = 1e-9,
rx_delay = 1e-9,
usp = True
)
if with_ethernet:
self.add_ethernet(phy=self.ethphy, remote_ip=remote_ip)
if with_etherbone:
self.add_etherbone(phy=self.ethphy, ip_address=eth_ip)
# Leds -------------------------------------------------------------------------------------
if with_led_chaser:
@ -117,21 +121,23 @@ def main():
parser.add_target_argument("--sys-clk-freq", default=125e6, type=float, help="System clock frequency.")
parser.add_argument("--driver", action="store_true", help="Generate LitePCIe driver")
#ethopts = parser.target_group.add_mutually_exclusive_group()
#ethopts.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet support.")
#ethopts.add_argument("--with-etherbone", action="store_true", help="Enable Etherbone support.")
#parser.add_target_argument("--eth-ip", default="192.168.1.50", help="Ethernet/Etherbone IP address.")
#parser.add_target_argument("--eth-dynamic-ip", action="store_true", help="Enable dynamic Ethernet IP addresses setting.")
ethopts = parser.target_group.add_mutually_exclusive_group()
ethopts.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet support.")
ethopts.add_argument("--with-etherbone", action="store_true", help="Enable Etherbone support.")
parser.add_target_argument("--eth-ip", default="192.168.1.50", help="Ethernet/Etherbone IP address.")
parser.add_target_argument("--remote-ip", default="192.168.1.100", help="Remote IP address of TFTP server.")
parser.add_target_argument("--eth-dynamic-ip", action="store_true", help="Enable dynamic Ethernet IP addresses setting.")
args = parser.parse_args()
#assert not (args.with_etherbone and args.eth_dynamic_ip)
assert not (args.with_etherbone and args.eth_dynamic_ip)
soc = BaseSoC(
sys_clk_freq = args.sys_clk_freq,
#with_ethernet = args.with_ethernet,
#with_etherbone = args.with_etherbone,
#eth_ip = args.eth_ip,
#eth_dynamic_ip = args.eth_dynamic_ip,
sys_clk_freq = args.sys_clk_freq,
with_ethernet = args.with_ethernet,
with_etherbone = args.with_etherbone,
eth_ip = args.eth_ip,
remote_ip = args.remote_ip,
eth_dynamic_ip = args.eth_dynamic_ip,
**parser.soc_argdict
)