platforms/nexys4ddr: add sdcard pins (sync w. litex commit #e99740e8)

2020-01-09 09:22:38 -05:00 · 2020-01-09 09:22:38 -05:00 · d08dfdb808
parent babbc676eb
commit d08dfdb808
1 changed files with 8 additions and 0 deletions
--- a/litex_boards/official/platforms/nexys4ddr.py
+++ b/litex_boards/official/platforms/nexys4ddr.py
@ -57,6 +57,14 @@ _io = [
        IOStandard("LVCMOS33"),
    ),

+    ("sdcard", 0,
+        Subsignal("rst", Pins("E2"), Misc("PULLUP True")),
+        Subsignal("data", Pins("C2 E1 F1 D2"), Misc("PULLUP True")),
+        Subsignal("cmd", Pins("C1"), Misc("PULLUP True")),
+        Subsignal("clk", Pins("B1")),
+        IOStandard("LVCMOS33"), Misc("SLEW=FAST")
+    ),
+
    ("ddram", 0,
        Subsignal("a", Pins(
            "M4 P4 M6 T1 L3 P5 M2 N1",