1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#!/usr/bin/env python3
from fuzzconfig import *
import numpy as np
import os
device_class = os.getenv("ICEDEVICE")
working_dir = "work_%s_io" % (device_class, )
os.system("rm -rf " + working_dir)
os.mkdir(working_dir)
w = num_iobanks
for idx in range(num):
with open(working_dir + "/io_%02d.v" % idx, "w") as f:
glbs = np.random.permutation(list(range(8)))
print("""
module top (
inout [%s:0] pin,
input [%s:0] latch_in,
input [%s:0] clk_en,
input [%s:0] clk_in,
input [%s:0] clk_out,
input [%s:0] oen,
input [%s:0] dout_0,
input [%s:0] dout_1,
output [%s:0] din_0,
output [%s:0] din_1
);
SB_IO #(
.PIN_TYPE(6'b %s_%s),
.PULLUP(1'b %s),
.NEG_TRIGGER(1'b %s),
.IO_STANDARD("SB_LVCMOS")
) PINS [%s:0] (
.PACKAGE_PIN(pin),
.LATCH_INPUT_VALUE(latch_in),
.CLOCK_ENABLE(clk_en),
.INPUT_CLK(clk_in),
.OUTPUT_CLK(clk_out),
.OUTPUT_ENABLE(oen),
.D_OUT_0(dout_0),
.D_OUT_1(dout_1),
.D_IN_0(din_0),
.D_IN_1(din_1)
);
endmodule
""" % (
w-1, w-1, w-1, w-1, w-1, w-1, w-1, w-1, w-1, w-1,
np.random.choice(["0000", "0110", "1010", "1110", "0101", "1001", "1101", "0100", "1000", "1100", "0111", "1111"]),
np.random.choice(["00", "01", "10", "11"]), np.random.choice(["0", "1"]), np.random.choice(["0", "1"]), w-1
), file=f)
with open(working_dir + "/io_%02d.pcf" % idx, "w") as f:
p = list(np.random.permutation(pins))
for k in ["pin", "latch_in", "clk_en", "clk_in", "clk_out", "oen", "dout_0", "dout_1", "din_0", "din_1"]:
for i in range(w):
print("set_io %s[%d] %s" % (k, i, p.pop()), file=f)
output_makefile(working_dir, "io")
|