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liteeth
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Allow little-endian interface for standalone design

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Xiretza 2020-02-10 11:05:07 +01:00
parent a696ccddb4
commit 42a7b6c69d
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1 changed files with 4 additions and 3 deletions
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liteeth/gen.py
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@ -208,10 +208,10 @@ class MACCore(PHYCore):
} }
mem_map.update(SoCCore.mem_map) mem_map.update(SoCCore.mem_map)
def __init__(self, phy, clk_freq): def __init__(self, phy, clk_freq, endianness):
PHYCore.__init__(self, phy, clk_freq) PHYCore.__init__(self, phy, clk_freq)
self.submodules.ethmac = LiteEthMAC(phy=self.ethphy, dw=32, interface="wishbone") self.submodules.ethmac = LiteEthMAC(phy=self.ethphy, dw=32, interface="wishbone", endianness=endianness)
self.add_wb_slave(self.mem_map["ethmac"], self.ethmac.bus) self.add_wb_slave(self.mem_map["ethmac"], self.ethmac.bus)
self.add_memory_region("ethmac", self.mem_map["ethmac"], 0x2000, type="io") self.add_memory_region("ethmac", self.mem_map["ethmac"], 0x2000, type="io")
self.add_csr("ethmac") self.add_csr("ethmac")
@ -279,12 +279,13 @@ def main():
soc_core_args(parser) soc_core_args(parser)
parser.add_argument("--phy", default="mii", help="Ethernet PHY(mii/rmii/gmii/rgmii)") parser.add_argument("--phy", default="mii", help="Ethernet PHY(mii/rmii/gmii/rgmii)")
parser.add_argument("--core", default="wishbone", help="Ethernet Core(wishbone/udp)") parser.add_argument("--core", default="wishbone", help="Ethernet Core(wishbone/udp)")
parser.add_argument("--endianness", default="big", choices=("big", "little"), help="Wishbone endianness")
parser.add_argument("--mac_address", default=0x10e2d5000000, help="MAC address") parser.add_argument("--mac_address", default=0x10e2d5000000, help="MAC address")
parser.add_argument("--ip_address", default="192.168.1.50", help="IP address") parser.add_argument("--ip_address", default="192.168.1.50", help="IP address")
args = parser.parse_args() args = parser.parse_args()
if args.core == "wishbone": if args.core == "wishbone":
soc = MACCore(phy=args.phy, clk_freq=int(100e6)) soc = MACCore(phy=args.phy, clk_freq=int(100e6), endianness=args.endianness)
elif args.core == "udp": elif args.core == "udp":
soc = UDPCore(phy=args.phy, clk_freq=int(100e6), soc = UDPCore(phy=args.phy, clk_freq=int(100e6),
mac_address = args.mac_address, mac_address = args.mac_address,