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liteeth/core: expose hybrid MAC mode 

This allows using both the hardware IP/UDP stack as well as a CPU
attached directly to the MAC at the same time.
This commit is contained in:
Xiretza 2022-06-30 12:15:54 +02:00
parent 8ad6e2521c
commit 265db950ed
1 changed files with 4 additions and 1 deletions
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5
liteeth/core/__init__.py
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@ -15,6 +15,7 @@ from liteeth.core.icmp import LiteEthICMP
class LiteEthIPCore(Module, AutoCSR): class LiteEthIPCore(Module, AutoCSR):
def __init__(self, phy, mac_address, ip_address, clk_freq, dw=8, def __init__(self, phy, mac_address, ip_address, clk_freq, dw=8,
hybrid = False,
with_icmp = True, with_icmp = True,
with_ip_broadcast = True, with_ip_broadcast = True,
with_sys_datapath = False): with_sys_datapath = False):
@ -27,7 +28,7 @@ class LiteEthIPCore(Module, AutoCSR):
self.submodules.mac = LiteEthMAC( self.submodules.mac = LiteEthMAC(
phy = phy, phy = phy,
dw = dw, dw = dw,
interface = "crossbar", interface = "hybrid" if hybrid else "crossbar",
with_preamble_crc = True, with_preamble_crc = True,
with_sys_datapath = with_sys_datapath, with_sys_datapath = with_sys_datapath,
) )
@ -65,6 +66,7 @@ class LiteEthIPCore(Module, AutoCSR):
class LiteEthUDPIPCore(LiteEthIPCore): class LiteEthUDPIPCore(LiteEthIPCore):
def __init__(self, phy, mac_address, ip_address, clk_freq, dw=8, def __init__(self, phy, mac_address, ip_address, clk_freq, dw=8,
hybrid = False,
with_icmp = True, with_icmp = True,
with_ip_broadcast = True, with_ip_broadcast = True,
with_sys_datapath = False): with_sys_datapath = False):
@ -83,6 +85,7 @@ class LiteEthUDPIPCore(LiteEthIPCore):
dw = dw, dw = dw,
with_ip_broadcast = with_ip_broadcast, with_ip_broadcast = with_ip_broadcast,
with_sys_datapath = with_sys_datapath, with_sys_datapath = with_sys_datapath,
hybrid = hybrid,
) )
# UDP. # UDP.
# ---- # ----