mirror of https://github.com/YosysHQ/icestorm.git
92 lines
3.0 KiB
Python
92 lines
3.0 KiB
Python
#!/usr/bin/env python3
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from fuzzconfig import *
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import numpy as np
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import os
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device_class = os.getenv("ICEDEVICE")
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working_dir = "work_%s_gbio2" % (device_class, )
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os.system("rm -rf " + working_dir)
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os.mkdir(working_dir)
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for p in gpins:
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if p in pins: pins.remove(p)
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# We can either tickle every global buffer or we don't have enough pins to do
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# the full logic for each one.
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w = min(min((len(pins) - 8) // 4, len(gpins)), 8)
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for idx in range(num):
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with open(working_dir + "/gbio2_%02d.v" % idx, "w") as f:
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glbs = np.random.permutation(list(range(8)))
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print("""
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module top (
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inout [%s:0] pin,
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input latch_in,
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input clk_en,
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input clk_in,
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input clk_out,
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input oen,
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input dout_0,
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input dout_1,
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output [%s:0] din_0,
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output [%s:0] din_1,
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output [%s:0] globals,
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output reg q
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);
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""" % (
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w-1, w-1, w-1, w-1
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), file=f);
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for k in range(w):
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print("""
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SB_GB_IO #(
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.PIN_TYPE(6'b %s),
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.PULLUP(1'b %s),
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.NEG_TRIGGER(1'b %s),
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.IO_STANDARD("SB_LVCMOS")
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) \pin[%d]_gb_io (
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.PACKAGE_PIN(pin[%d]),
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.LATCH_INPUT_VALUE(latch_in),
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.CLOCK_ENABLE(clk_en),
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.INPUT_CLK(clk_in),
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.OUTPUT_CLK(clk_out),
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.OUTPUT_ENABLE(oen),
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.D_OUT_0(dout_0),
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.D_OUT_1(dout_1),
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.D_IN_0(din_0[%d]),
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.D_IN_1(din_1[%d]),
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.GLOBAL_BUFFER_OUTPUT(globals[%d])
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);
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""" % (
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np.random.choice(["1100_00", "1010_10", "1010_00", "0000_11", "1111_00"]),
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np.random.choice(["0", "1"]),
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np.random.choice(["0", "1"]),
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k, k, k, k, k
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), file=f)
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print("""
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always @(posedge globals[%d], posedge globals[%d])
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if (globals[%d])
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q <= 0;
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else if (globals[%d])
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q <= globals[%d];
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endmodule
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""" % (
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glbs[0], glbs[1], glbs[1], glbs[2], glbs[3]
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), file=f)
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with open(working_dir + "/gbio2_%02d.pcf" % idx, "w") as f:
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p = np.random.permutation(pins)
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g = np.random.permutation(gpins)
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for i in range(w):
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print("set_io pin[%d] %s" % (i, g[i]), file=f)
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print("set_io din_0[%d] %s" % (i, p[w+i]), file=f)
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print("set_io din_1[%d] %s" % (i, p[2*w+i]), file=f)
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print("set_io globals[%d] %s" % (i, p[3*w+i]), file=f)
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for i, n in enumerate("latch_in clk_en clk_in clk_out oen dout_0 dout_1".split()):
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print("set_io %s %s" % (n, p[4*w+i]), file=f)
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print("set_io q %s" % (p[-1]), file=f)
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output_makefile(working_dir, "gbio2")
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