targets/kcu105: add Etherbone support.

litex_boards/targets/kcu105.py

@@ -55,7 +55,7 @@ class _CRG(Module):
 # BaseSoC ------------------------------------------------------------------------------------------
 
 class BaseSoC(SoCCore):
-    def __init__(self, sys_clk_freq=int(125e6), with_ethernet=False, **kwargs):
+    def __init__(self, sys_clk_freq=int(125e6), with_ethernet=False, with_etherbone=False, **kwargs):
         platform = kcu105.Platform()
 
         # SoCCore ----------------------------------------------------------------------------------
@@ -85,15 +85,18 @@ class BaseSoC(SoCCore):
                 l2_cache_reverse        = True
             )
 
-        # Ethernet ---------------------------------------------------------------------------------
-        if with_ethernet:
+        # Ethernet / Etherbone ---------------------------------------------------------------------
+        if with_ethernet or with_etherbone:
             self.submodules.ethphy = KU_1000BASEX(self.crg.cd_clk200.clk,
                 data_pads    = self.platform.request("sfp", 0),
                 sys_clk_freq = self.clk_freq)
             self.add_csr("ethphy")
             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)
 
         # Leds -------------------------------------------------------------------------------------
         self.submodules.leds = LedChaser(
@@ -110,9 +113,12 @@ def main():
     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")
     args = parser.parse_args()
 
-    soc = BaseSoC(with_ethernet=args.with_ethernet, **soc_sdram_argdict(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))
     builder = Builder(soc, **builder_argdict(args))
     builder.build(run=args.build)