change LVCMOS level on versa ecp5 jtag to 2.5v

diff --git a/src/soc/litex/florent/versa_ecp5.py b/src/soc/litex/florent/versa_ecp5.py
index 6bd917d8940bb7157ec7529af2c3ea0dae91fbdc..75e33bc25a80e6fe827bc22629b6d31b63b1659a 100755 (executable)
--- a/src/soc/litex/florent/versa_ecp5.py
+++ b/src/soc/litex/florent/versa_ecp5.py
@@ -43,10 +43,10 @@ class VersaECP5TestSoC(versa_ecp5.BaseSoC):
         # define the pins, add as an extension, *then* request it
         jtag_ios = [
             ("jtag", 0,
-                Subsignal("tck", Pins("B19"), IOStandard("LVCMOS33")),
-                Subsignal("tms", Pins("B12"), IOStandard("LVCMOS33")),
-                Subsignal("tdi", Pins("B9"), IOStandard("LVCMOS33")),
-                Subsignal("tdo", Pins("E6"), IOStandard("LVCMOS33")),
+                Subsignal("tck", Pins("B19"), IOStandard("LVCMOS25")),
+                Subsignal("tms", Pins("B12"), IOStandard("LVCMOS25")),
+                Subsignal("tdi", Pins("B9"), IOStandard("LVCMOS25")),
+                Subsignal("tdo", Pins("E6"), IOStandard("LVCMOS25")),
             )
         ]
         self.platform.add_extension(jtag_ios)