diff options
| author | Vadzim Dambrouski <pftbest@gmail.com> | 2021-01-31 18:17:33 +0300 |
|---|---|---|
| committer | whitequark <whitequark@whitequark.org> | 2021-01-31 15:31:56 +0000 |
| commit | a35d870a994c2919116b2c06166dc127febb1512 (patch) | |
| tree | d27091d7e5f3578519d80a1179200308f3976a8f /nmigen_boards/ecpix5.py | |
| parent | 4d860fb1cf1aea0c55e2a27b63aad9fd2b8b0fe9 (diff) | |
ecpix-5: ddr3: Adjust IO_TYPE attribute to match VCCIO which is 1.5v for this board.
This is not a functional change because both SSTL135 and SSTL15 generate identical bitcode.
But it will hopefully prevent some confusion and will match the litex_boards config.
Diffstat (limited to 'nmigen_boards/ecpix5.py')
| -rw-r--r-- | nmigen_boards/ecpix5.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/nmigen_boards/ecpix5.py b/nmigen_boards/ecpix5.py index bd3a139..9f8bb88 100644 --- a/nmigen_boards/ecpix5.py +++ b/nmigen_boards/ecpix5.py @@ -61,7 +61,7 @@ class _ECPIX5Platform(LatticeECP5Platform): Resource("eth_int", 0, PinsN("B13", dir="i"), Attrs(IO_TYPE="LVCMOS33")), Resource("ddr3", 0, - Subsignal("clk", DiffPairs("H3", "J3", dir="o"), Attrs(IO_TYPE="SSTL135D_I")), + Subsignal("clk", DiffPairs("H3", "J3", dir="o"), Attrs(IO_TYPE="SSTL15D_I")), Subsignal("clk_en", Pins("P1", dir="o")), Subsignal("we", PinsN("R3", dir="o")), Subsignal("ras", PinsN("T3", dir="o")), @@ -69,12 +69,12 @@ class _ECPIX5Platform(LatticeECP5Platform): Subsignal("a", Pins("T5 M3 L3 V6 K2 W6 K3 L1 H2 L2 N1 J1 M1 K1 H1", dir="o")), Subsignal("ba", Pins("U6 N3 N4", dir="o")), Subsignal("dqs", DiffPairs("V4 V1", "U5 U2", dir="io"), - Attrs(IO_TYPE="SSTL135D_I", TERMINATION="OFF", DIFFRESISTOR="100")), + Attrs(IO_TYPE="SSTL15D_I", TERMINATION="OFF", DIFFRESISTOR="100")), Subsignal("dq", Pins("T4 W4 R4 W5 R6 P6 P5 P4 R1 W3 T2 V3 U3 W1 T1 W2", dir="io"), Attrs(TERMINATION="75")), Subsignal("dm", Pins("U4 U1", dir="o")), Subsignal("odt", Pins("P3", dir="o")), - Attrs(IO_TYPE="SSTL135_I", SLEWRATE="FAST") + Attrs(IO_TYPE="SSTL15_I", SLEWRATE="FAST") ), Resource("sata", 0, |