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#!/usr/bin/env python3
from fuzzconfig import *
import numpy as np
import os
from numpy.random import randint, choice, permutation
def randbin(n):
return "".join([choice(["0", "1"]) for i in range(n)])
for p in gpins:
if p in pins: pins.remove(p)
device_class = os.getenv("ICEDEVICE")
working_dir = "work_%s_pll" % (device_class, )
os.system("rm -rf " + working_dir)
os.mkdir(working_dir)
for idx in range(num):
pin_names = list()
vlog_body = list()
pll_inst = list()
pll_type = choice(["SB_PLL40_CORE", "SB_PLL40_2F_CORE", "SB_PLL40_PAD", "SB_PLL40_2_PAD", "SB_PLL40_2F_PAD"])
pll_inst.append("%s uut (" % pll_type)
if pll_type.endswith("_PAD"):
pin_names.append("packagepin")
vlog_body.append("input packagepin;")
pll_inst.append(" .PACKAGEPIN(packagepin),")
else:
pin_names.append("referenceclk")
vlog_body.append("input referenceclk;")
pll_inst.append(" .REFERENCECLK(referenceclk),")
for pin in ["a", "b"]:
pin_names.append(pin)
vlog_body.append("input %s;" % pin)
for pin in ["w", "x", "y", "z"]:
pin_names.append(pin)
vlog_body.append("output %s%s;" % ("reg " if pin in ["y", "z"] else "", pin))
for pin in ["EXTFEEDBACK", "BYPASS", "RESETB", "LOCK", "LATCHINPUTVALUE", "SDI", "SDO", "SCLK"]:
pin_names.append(pin.lower())
vlog_body.append("%sput %s;" % ("out" if pin in ["LOCK", "SDO"] else "in", pin.lower()))
pll_inst.append(" .%s(%s)," % (pin, pin.lower()))
if pll_type.find("_2_") < 0 and pll_type.find("_2F_") < 0:
for pin in ["PLLOUTCORE", "PLLOUTGLOBAL"]:
vlog_body.append("wire %s;" % pin.lower())
pll_inst.append(" .%s(%s)," % (pin, pin.lower()))
vlog_body.append("assign w = plloutcore ^ a;")
vlog_body.append("assign x = plloutcore ^ b;")
vlog_body.append("always @(posedge plloutglobal) y <= a;")
vlog_body.append("always @(posedge plloutglobal) z <= b;")
else:
for pin in ["PLLOUTCOREA", "PLLOUTCOREB", "PLLOUTGLOBALA", "PLLOUTGLOBALB"]:
vlog_body.append("wire %s;" % pin.lower())
pll_inst.append(" .%s(%s)," % (pin, pin.lower()))
vlog_body.append("assign w = plloutcorea ^ a;")
vlog_body.append("assign x = plloutcoreb ^ b;")
vlog_body.append("always @(posedge plloutglobala) y <= a;")
vlog_body.append("always @(posedge plloutglobalb) z <= b;")
for i in range(8):
pin_names.append("dynamicdelay_%d" % i)
vlog_body.append("input dynamicdelay_%d;" % i)
pll_inst.append(" .DYNAMICDELAY({%s})" % ", ".join(["dynamicdelay_%d" % i for i in range(7, -1, -1)]))
pll_inst.append(");")
divq = randbin(3)
if divq == "000": divq = "001"
if divq == "111": divq = "110"
pll_inst.append("defparam uut.DIVR = 4'b%s;" % randbin(4))
pll_inst.append("defparam uut.DIVF = 7'b%s;" % randbin(7))
pll_inst.append("defparam uut.DIVQ = 3'b%s;" % divq)
pll_inst.append("defparam uut.FILTER_RANGE = 3'b%s;" % randbin(3))
pll_inst.append("defparam uut.FEEDBACK_PATH = \"%s\";" % choice(["DELAY", "SIMPLE", "PHASE_AND_DELAY", "EXTERNAL"]))
if choice([True, False]):
pll_inst.append("defparam uut.DELAY_ADJUSTMENT_MODE_FEEDBACK = \"FIXED\";")
pll_inst.append("defparam uut.FDA_FEEDBACK = 4'b%s;" % randbin(4))
else:
pll_inst.append("defparam uut.DELAY_ADJUSTMENT_MODE_FEEDBACK = \"DYNAMIC\";")
pll_inst.append("defparam uut.FDA_FEEDBACK = 4'b1111;")
if choice([True, False]):
pll_inst.append("defparam uut.DELAY_ADJUSTMENT_MODE_RELATIVE = \"FIXED\";")
pll_inst.append("defparam uut.FDA_RELATIVE = 4'b%s;" % randbin(4))
else:
pll_inst.append("defparam uut.DELAY_ADJUSTMENT_MODE_RELATIVE = \"DYNAMIC\";")
pll_inst.append("defparam uut.FDA_RELATIVE = 4'b1111;")
pll_inst.append("defparam uut.SHIFTREG_DIV_MODE = 1'b%s;" % randbin(1))
if pll_type.find("_2_") < 0 and pll_type.find("_2F_") < 0:
pll_inst.append("defparam uut.PLLOUT_SELECT = \"%s\";" % choice(["GENCLK", "GENCLK_HALF", "SHIFTREG_90deg", "SHIFTREG_0deg"]))
elif pll_type.find("_2F_") < 0:
pll_inst.append("defparam uut.PLLOUT_SELECT_PORTB = \"%s\";" % choice(["GENCLK", "GENCLK_HALF", "SHIFTREG_90deg", "SHIFTREG_0deg"]))
else:
pll_inst.append("defparam uut.PLLOUT_SELECT_PORTA = \"%s\";" % choice(["GENCLK", "GENCLK_HALF", "SHIFTREG_90deg", "SHIFTREG_0deg"]))
pll_inst.append("defparam uut.PLLOUT_SELECT_PORTB = \"%s\";" % choice(["GENCLK", "GENCLK_HALF", "SHIFTREG_90deg", "SHIFTREG_0deg"]))
if pll_type.find("_2_") < 0 and pll_type.find("_2F_") < 0:
pll_inst.append("defparam uut.ENABLE_ICEGATE = 1'b0;")
else:
pll_inst.append("defparam uut.ENABLE_ICEGATE_PORTA = 1'b0;")
pll_inst.append("defparam uut.ENABLE_ICEGATE_PORTB = 1'b0;")
pll_inst.append("defparam uut.TEST_MODE = 1'b0;")
with open(working_dir + "/pll_%02d.v" % idx, "w") as f:
print("module top(%s);" % ", ".join(pin_names), file=f)
print("\n".join(vlog_body), file=f)
print("\n".join(pll_inst), file=f)
print("endmodule", file=f)
with open(working_dir + "/pll_%02d.pcf" % idx, "w") as f:
for pll_pin, package_pin in zip(pin_names, list(permutation(pins))[0:len(pin_names)]):
if pll_pin == "packagepin": package_pin = "49"
print("set_io %s %s" % (pll_pin, package_pin), file=f)
output_makefile(working_dir, "pll")
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