4 from nmigen
.build
import *
5 from nmigen
.vendor
.lattice_ecp5
import *
6 from nmigen_boards
.resources
import *
9 __all__
= ["IcarusECPIX5Platform"]
12 class IcarusECPIX5Platform(LatticeECP5Platform
):
13 device
= "LFE5UM5G-85F"
16 default_clk
= "clk100"
20 Resource("rst", 0, PinsN("AB1", dir="i"), Attrs(IO_TYPE
="LVCMOS33")),
21 Resource("clk100", 0, Pins("K23", dir="i"),
22 Clock(100e6
), Attrs(IO_TYPE
="LVCMOS33")),
26 attrs
=Attrs(IO_TYPE
="LVCMOS33", PULLMODE
="UP")
30 Subsignal("rst", PinsN("fake", dir="o")), # for sim
31 #Subsignal("clk", Pins("H3", dir="o")),
32 Subsignal("clk", DiffPairs("H3", "J3", dir="o"), Attrs(IO_TYPE
="SSTL135D_I")),
33 Subsignal("clk_en", Pins("P1", dir="o")),
34 Subsignal("we", PinsN("R3", dir="o")),
35 Subsignal("cs", PinsN("fake2", dir="o")), # for sim
36 Subsignal("ras", PinsN("T3", dir="o")),
37 Subsignal("cas", PinsN("P2", dir="o")),
38 #Subsignal("a", Pins("T5 M3 L3 V6 K2 W6 K3 L1 H2 L2 N1 J1 M1 K1", dir="o")),
39 Subsignal("a", Pins("T5 M3 L3 V6 K2 W6 K3 L1 H2 L2 N1 J1 M1", dir="o")),
40 Subsignal("ba", Pins("U6 N3 N4", dir="o")),
41 Subsignal("dqs", DiffPairs("V4 V1", "U5 U2", dir="io"), Attrs(IO_TYPE
="SSTL135D_I")),
42 Subsignal("dq", Pins("T4 W4 R4 W5 R6 P6 P5 P4 R1 W3 T2 V3 U3 W1 T1 W2", dir="io")),
43 Subsignal("dm", Pins("U4 U1", dir="o")),
44 Subsignal("odt", Pins("P3", dir="o")),
45 Attrs(IO_TYPE
="SSTL135_I")
50 Connector("pmod", 0, "T25 U25 U24 V24 - - T26 U26 V26 W26 - -"),
51 Connector("pmod", 1, "U23 V23 U22 V21 - - W25 W24 W23 W22 - -"),
52 Connector("pmod", 2, "J24 H22 E21 D18 - - K22 J21 H21 D22 - -"),
53 Connector("pmod", 3, " E4 F4 E6 H4 - - F3 D4 D5 F5 - -"),
54 Connector("pmod", 4, "E26 D25 F26 F25 - - A25 A24 C26 C25 - -"),
55 Connector("pmod", 5, "D19 C21 B21 C22 - - D21 A21 A22 A23 - -"),
56 Connector("pmod", 6, "C16 B17 C18 B19 - - A17 A18 A19 C19 - -"),
57 Connector("pmod", 7, "D14 B14 E14 B16 - - C14 A14 A15 A16 - -"),
61 def required_tools(self
):
65 def file_templates(self
):
67 **TemplatedPlatform
.build_script_templates
,
75 def command_templates(self
):