Merge pull request #372 from mkj/butterstick-ethdelay

butterstick: set ethernet rx_delay to 0ns
2022-04-21 09:00:13 +02:00 · 2022-04-21 09:00:13 +02:00 · f986855926
parent 5aab6f01b6 53c221a1fa
commit f986855926
1 changed files with 3 additions and 1 deletions
--- a/litex_boards/targets/gsd_butterstick.py
+++ b/litex_boards/targets/gsd_butterstick.py
@ -124,7 +124,9 @@ class BaseSoC(SoCCore):
        if with_ethernet or with_etherbone:
            self.submodules.ethphy = LiteEthPHYRGMII(
                clock_pads = self.platform.request("eth_clocks"),
-                pads       = self.platform.request("eth"))
+                pads       = self.platform.request("eth"),
+                rx_delay   = 0e-9, # KSZ9031RNX phy adds a 1.2ns RX delay
+                )
            if with_ethernet:
                self.add_ethernet(phy=self.ethphy, dynamic_ip=eth_dynamic_ip)
            if with_etherbone: