Hardware
/
liteeth
mirror of https://github.com/enjoy-digital/liteeth.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

liteeth_gen: Add configurable/dynamic MAC/IP address support.

This commit is contained in:
Florent Kermarrec 2022-01-26 10:21:47 +01:00
parent f264c9d5d5
commit e340428384
1 changed files with 20 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
liteeth/gen.py
View File

@ -52,6 +52,10 @@ _io = [
("sys_clock", 0, Pins(1)),
("sys_reset", 1, Pins(1)),
# IP/MAC Address.
("mac_address", 0, Pins(48)),
("ip_address", 0, Pins(32)),
# Interrupt
("interrupt", 0, Pins(1)),
@ -126,29 +130,31 @@ _io = [
# UDP
("udp_sink", 0,
# Control
Subsignal("valid", Pins(1)),
Subsignal("last", Pins(1)),
Subsignal("ready", Pins(1)),
# param
# Param
Subsignal("src_port", Pins(16)),
Subsignal("dst_port", Pins(16)),
Subsignal("ip_address", Pins(32)),
Subsignal("length", Pins(16)),
# payload
# Payload
Subsignal("data", Pins(32)),
Subsignal("error", Pins(4))
),
("udp_source", 0,
# Control
Subsignal("valid", Pins(1)),
Subsignal("last", Pins(1)),
Subsignal("ready", Pins(1)),
# param
# Param
Subsignal("src_port", Pins(16)),
Subsignal("dst_port", Pins(16)),
Subsignal("ip_address", Pins(32)),
Subsignal("length", Pins(16)),
# payload
# Payload
Subsignal("data", Pins(32)),
Subsignal("error", Pins(4))
),
@ -258,10 +264,17 @@ class UDPCore(PHYCore):
PHYCore.__init__(self, platform, core_config)
# Core -------------------------------------------------------------------------------------
mac_address = core_config.get("mac_address", None)
if mac_address is None:
mac_address = platform.request("mac_address") # Get MAC Address from IOs when not specified.
ip_address = core_config.get("ip_address", None)
if ip_address is None:
ip_address = platform.request("ip_address") # Get IP Address from IOs when not specified.
self.submodules.core = LiteEthUDPIPCore(self.ethphy,
mac_address = core_config["mac_address"],
ip_address = core_config["ip_address"],
clk_freq = core_config["clk_freq"])
mac_address = mac_address,
ip_address = ip_address,
clk_freq = core_config["clk_freq"]
)
# UDP --------------------------------------------------------------------------------------
udp_port = self.core.udp.crossbar.get_port(core_config["port"], 8)