Merge pull request #936 from antmicro/891_hclk_ioi_pips

Add fuzzer for HCLK_IOI3 PIPs
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litghost 2019-07-19 09:33:30 -07:00 committed by GitHub
commit 55e0ca77c7
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10 changed files with 970 additions and 0 deletions

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export FUZDIR=$(shell pwd)
PIP_TYPE?=hclk_ioi3
PIPLIST_TCL=$(FUZDIR)/hclk_ioi3_pip_list.tcl
TODO_RE=".*"
# FIXME Modify fuzzer to solve PIPs that drive the BUFIO and BUFR from ILOGIC clock or through the IOI tile.
EXCLUDE_RE=".*\.HCLK_IOI_((RCLK_IMUX[0-3])|(I2IOCLK))"
MAKETODO_FLAGS= --sides "" --pip-type ${PIP_TYPE} --seg-type ${PIP_TYPE} --re $(TODO_RE) --exclude-re $(EXCLUDE_RE)
N = 50
SEGMATCH_FLAGS=-c 3 -m 15 -M 45
SPECIMENS_DEPS=build/cmt_regions.csv
A_PIPLIST=hclk_ioi3.txt
include ../pip_loop.mk
build/segbits_hclk_ioi3.rdb: $(SPECIMENS_OK)
${XRAY_SEGMATCH} ${SEGMATCH_FLAGS} -o build/segbits_hclk_ioi3.rdb \
$(shell find build -name segdata_hclk_ioi3.txt)
build/segbits_hclk_ioi3.db: build/segbits_hclk_ioi3.rdb
${XRAY_DBFIXUP} --db-root build --zero-db bits.dbf \
--seg-fn-in build/segbits_hclk_ioi3.rdb \
--seg-fn-out build/segbits_hclk_ioi3.db
# Keep a copy to track iter progress
cp build/segbits_hclk_ioi3.rdb build/$(ITER)/segbits_hclk_ioi3.rdb
${XRAY_MASKMERGE} build/mask_hclk_ioi3.db \
$(shell find build -name segdata_hclk_ioi3.txt)
database: build/segbits_hclk_ioi3.db
# Clobber existing .db to eliminate potential conflicts
cp ${XRAY_DATABASE_DIR}/${XRAY_DATABASE}/segbits*.db build/database/${XRAY_DATABASE}
XRAY_DATABASE_DIR=${FUZDIR}/build/database ${XRAY_MERGEDB} hclk_ioi3 build/segbits_hclk_ioi3.db
build/cmt_regions.csv: output_cmt.tcl
mkdir -p build
cd build/ && ${XRAY_VIVADO} -mode batch -source ${FUZDIR}/output_cmt.tcl
pushdb: database
${XRAY_MERGEDB} hclk_ioi3 build/segbits_hclk_ioi3.db
${XRAY_MERGEDB} mask_hclk_ioi build/mask_hclk_ioi3.db
.PHONY: database pushdb

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# HCLK_IOI interconnect fuzzer
Solves pips located within the HCLK_IOI switch box.

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#!/usr/bin/env python3
from prjxray.segmaker import Segmaker
import os
import os.path
def bitfilter(frame, word):
if frame < 26:
return False
return True
def main():
segmk = Segmaker("design.bits")
tiledata = {}
pipdata = {}
ignpip = set()
tile_ports = {}
with open(os.path.join(os.getenv('FUZDIR'), '..', 'piplist', 'build',
'hclk_ioi3', 'hclk_ioi3.txt')) as f:
for l in f:
tile_type, dst, src = l.strip().split('.')
if tile_type not in pipdata:
pipdata[tile_type] = []
tile_ports[tile_type] = set()
pipdata[tile_type].append((src, dst))
tile_ports[tile_type].add(src)
tile_ports[tile_type].add(dst)
print("Loading tags from design.txt.")
with open("design.txt", "r") as f:
for line in f:
tile, pip, src, dst, pnum, pdir = line.split()
if not tile.startswith('HCLK_IOI3'):
continue
pip_prefix, _ = pip.split(".")
tile_from_pip, tile_type = pip_prefix.split('/')
assert tile == tile_from_pip
_, src = src.split("/")
_, dst = dst.split("/")
pnum = int(pnum)
pdir = int(pdir)
if tile not in tiledata:
tiledata[tile] = {
"type": tile_type,
"pips": set(),
"srcs": set(),
"dsts": set()
}
tiledata[tile]["pips"].add((src, dst))
tiledata[tile]["srcs"].add(src)
tiledata[tile]["dsts"].add(dst)
if pdir == 0:
tiledata[tile]["srcs"].add(dst)
tiledata[tile]["dsts"].add(src)
if pnum == 1 or pdir == 0:
ignpip.add((src, dst))
for tile, pips_srcs_dsts in tiledata.items():
tile_type = pips_srcs_dsts["type"]
pips = pips_srcs_dsts["pips"]
for src, dst in pipdata[tile_type]:
if (src, dst) in ignpip:
pass
elif (src, dst) in pips:
segmk.add_tile_tag(tile, "%s.%s" % (dst, src), 1)
elif dst not in tiledata[tile]["dsts"]:
segmk.add_tile_tag(tile, "%s.%s" % (dst, src), 0)
segmk.compile(bitfilter=bitfilter)
segmk.write()
if __name__ == "__main__":
main()

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source "$::env(XRAY_DIR)/utils/utils.tcl"
proc load_todo {{dir "dst"}} {
set fp [open "../../todo_all.txt" r]
# Create map of pip source to remaining destinations for that pip
set todo_map [dict create]
for {gets $fp line} {$line != ""} {gets $fp line} {
set parts [split $line .]
if {$dir == "dsts"} {
dict lappend todo_map [lindex $parts 2] [list [lindex $parts 0] [lindex $parts 1]]
} elseif {$dir == "srcs"} {
dict lappend todo_map [lindex $parts 1] [list [lindex $parts 0] [lindex $parts 2]]
} else {
error "Incorrect argument. Available options: src, dst"
}
}
close $fp
return $todo_map
}
# Get the dictionary of nets with one corresponding source wire
# of a PIP from the todo list
proc get_nets_with_todo_pip_wires {direction net_regexp wire_regexp used_destinations {verbose false}} {
set todo_map [load_todo $direction]
puts $todo_map
set nets [get_nets]
set todo_nets [dict create]
foreach net $nets {
if {![regexp $net_regexp $net]} {
continue
}
# Check to see if this net is one we are interested in*
set wires [get_wires -of_objects $net -filter {TILE_NAME =~ "*HCLK_IOI*" } -quiet]
set wire_found 0
foreach wire $wires {
if [regexp $wire_regexp $wire] {
set wire_found 1
break
}
}
if {$wire_found == 0} {
if {$verbose} {
puts "$net not going to a HCLK port, skipping."
}
continue
}
set tile [lindex [split $wire /] 0]
set wire [lindex [split $wire /] 1]
set tile_type [get_property TILE_TYPE [get_tiles $tile]]
if { ![dict exists $todo_map $wire] } {
continue
}
set candidates [dict get $todo_map $wire]
# This net is interesting, see if it is already going somewhere we
# want.
set found_target 0
foreach other_wire $wires {
if { $found_target == 1 } {
break
}
set other_wire [lindex [split $other_wire /] 1]
if { $wire == $other_wire } {
continue
}
foreach candidate $candidates {
set candidate_tile_type [lindex $candidate 0]
if {$candidate_tile_type != $tile_type} {
continue
}
set candidate_wire [lindex $candidate 1]
if { $other_wire == $candidate } {
set found_target 1
if {$verbose} {
puts "Interesting net $net already going from $wire to $other_wire."
}
set_property IS_ROUTE_FIXED 1 $net
dict set used_destinations "$tile/$candidate_wire" 1
break
}
}
}
if { $found_target == 1 } {
# Net already has an interesting feature - don't reroute.
continue
}
dict set todo_nets $net [list $tile $wire]
if {$verbose} {
puts "Interesting net $net (including $wire) is being rerouted."
}
}
return $todo_nets
}
proc route_todo {} {
set used_destinations [dict create]
set todo_map [load_todo "dsts"]
set serdes_nets [get_nets_with_todo_pip_wires "dsts" "serdes_clk_ILOGIC" "HCLK_IOI_CK_IGCLK" $used_destinations]
puts "Serdes nets: $serdes_nets"
dict for {net tile_wire} $serdes_nets {
set tile [lindex $tile_wire 0]
set wire [lindex $tile_wire 1]
set dsts [dict get $todo_map $wire]
set tile_type [get_property TILE_TYPE [get_tiles $tile]]
set todos {}
set old_target_wire [get_wires -of_objects $net -filter {TILE_NAME =~ "*HCLK_IOI*" && NAME =~ "*HCLK_IOI_LEAF_GCLK_*"}]
if {$old_target_wire == {}} {
continue
}
if {[dict exists $used_destinations $old_target_wire]} {
puts "Not routing to $old_target_wire, in use."
continue
}
puts "Rerouting net $net at $tile / $wire (type $tile_type)"
puts "Previous target wire: $old_target_wire"
set old_target_node [get_nodes -of_objects $old_target_wire]
if [regexp "HCLK_IOI_LEAF_GCLK_\(\(TOP\)|\(BOT\)\).*" $old_target_wire match group] {
set old_target_side $group
}
foreach dst $dsts {
set dst_tile_type [lindex $dst 0]
if {$dst_tile_type != $tile_type} {
continue
}
set dst_wire [lindex $dst 1]
set is_gclk_net 0
if [regexp "HCLK_IOI_LEAF_GCLK_\(\(TOP\)|\(BOT\)\).*" $dst_wire match group] {
set is_gclk_net 1
set dst_side $group
}
if {$is_gclk_net == 0 || $dst_side != $old_target_side} {
continue
}
lappend todos $dst_wire
}
puts "All todos for $tile_type / $wire"
foreach dst_wire $todos {
puts " - $dst_wire"
}
set origin_node [get_nodes -of_objects [get_site_pins -filter {DIRECTION == OUT} -of_objects $net]]
puts "Origin node: $origin_node"
route_design -unroute -nets $net
# Find an input in the todo list that this can can drive.
foreach dst_wire $todos {
if { [dict exists $used_destinations "$tile/$dst_wire"] } {
puts "Not routing to $tile / $dst_wire, in use."
continue
}
set target_wire [get_wires "$tile/$dst_wire"]
set target_node [get_nodes -of_objects $target_wire]
if {[llength $target_node] == 0} {
error "Failed to find node for $tile/$dst_wire."
}
set old_net [get_nets -of_objects $target_node -quiet]
if {$old_net == {}} {
continue
}
puts "Unrouting the old net: $old_net"
route_design -unroute -nets $old_net
set old_origin_node [get_nodes -of_objects [get_site_pins -filter {DIRECTION == OUT} -of_objects $old_net]]
# Route the net through the desired node
puts "Attempting to route to $target_node for net $net."
route_via $net [list $target_node]
puts "Attempting to route to $old_target_node for net $old_net."
# Route the old net through the old target node
route_via $old_net [list $old_target_node ]
puts "Origin node: $origin_node, Old origin node: $old_origin_node"
puts "Target wire: $target_wire, Old target wire: $old_target_wire"
puts "Target node: $target_node, Old target node: $old_target_node"
dict set used_destinations "$target_wire" 1
dict set used_destinations "$old_target_wire" 1
break
}
}
set todo_map [load_todo "srcs"]
set idelayctrl_nets [get_nets_with_todo_pip_wires "srcs" "IDELAYCTRL" "HCLK_IOI_IDELAYCTRL_REFCLK" $used_destinations]
puts "Idelayctrl nets: $idelayctrl_nets"
dict for {net tile_wire} $idelayctrl_nets {
set tile [lindex $tile_wire 0]
set wire [lindex $tile_wire 1]
set srcs [dict get $todo_map $wire]
set tile_type [get_property TILE_TYPE [get_tiles $tile]]
set todos {}
set old_origin_wire [get_wires -of_objects $net -filter {TILE_NAME =~ "*HCLK_IOI*" && NAME =~ "*HCLK_IOI_LEAF_GCLK_*"}]
if {$old_origin_wire == {}} {
continue
}
puts "Rerouting net $net at $tile / $wire (type $tile_type)"
puts "Previous target wire: $old_origin_wire"
set old_origin_node [get_nodes -of_objects $old_origin_wire]
if [regexp "HCLK_IOI_LEAF_GCLK_\(\(TOP\)|\(BOT\)\).*" $old_origin_wire match group] {
set old_target_side $group
}
foreach src $srcs {
set src_tile_type [lindex $src 0]
if {$src_tile_type != $tile_type} {
continue
}
set src_wire [lindex $src 1]
set is_gclk_net 0
if [regexp "HCLK_IOI_LEAF_GCLK_\(\(TOP\)|\(BOT\)\).*" $src_wire match group] {
set is_gclk_net 1
}
if {$is_gclk_net == 0} {
continue
}
lappend todos $src_wire
}
puts "All todos for $tile_type / $wire"
foreach src_wire $todos {
puts " - $src_wire"
}
set target_node [get_nodes -of_objects [get_site_pins -filter {DIRECTION == IN} -of_objects $net]]
puts "Target node: $target_node"
route_design -unroute -nets $net
# Find an output in the todo list that can drive.
foreach src_wire $todos {
if { [dict exists $used_destinations "$tile/$src_wire"] } {
puts "Not routing to $tile / $src_wire, in use."
continue
}
set origin_wire [get_wires "$tile/$src_wire"]
set origin_node [get_nodes -of_objects $origin_wire]
if {[llength $origin_node] == 0} {
error "Failed to find node for $tile/$src_wire."
}
set old_net [get_nets -of_objects $origin_node -quiet]
if {$old_net != {}} {
puts "Unrouting the old net: $old_net"
route_design -unroute -nets $old_net
}
# Route the net through the desired node
puts "Attempting to route to $src_wire for net $net."
route_via $net [list $origin_node]
puts "Target node: $target_node"
puts "Origin wire: $origin_wire, Old origin wire: $old_origin_wire"
puts "Origin node: $origin_node, Old origin node: $old_origin_node"
dict set used_destinations "$origin_wire" 1
break
}
}
}
proc run {} {
create_project -force -part $::env(XRAY_PART) design design
read_verilog top.v
synth_design -top top
set_property CFGBVS VCCO [current_design]
set_property CONFIG_VOLTAGE 3.3 [current_design]
set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design]
set_property IS_ENABLED 0 [get_drc_checks {PDRC-29}]
set_property IS_ENABLED 0 [get_drc_checks {PDRC-38}]
set_property IS_ENABLED 0 [get_drc_checks {REQP-13}]
set_property IS_ENABLED 0 [get_drc_checks {REQP-123}]
set_property IS_ENABLED 0 [get_drc_checks {REQP-161}]
set_property IS_ENABLED 0 [get_drc_checks {REQP-1575}]
set_property IS_ENABLED 0 [get_drc_checks {REQP-1684}]
set_property IS_ENABLED 0 [get_drc_checks {REQP-1712}]
set_property IS_ENABLED 0 [get_drc_checks {AVAL-50}]
set_property IS_ENABLED 0 [get_drc_checks {AVAL-78}]
set_property IS_ENABLED 0 [get_drc_checks {AVAL-81}]
set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets]
place_design
route_design
route_todo
route_design
write_checkpoint -force design.dcp
write_bitstream -force design.bit
write_pip_txtdata design.txt
}
run

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proc print_tile_pips {tile_type filename} {
set fp [open $filename w]
set pips [dict create]
foreach tile [get_tiles -filter "TYPE == $tile_type"] {
puts "Dumping PIPs for tile $tile ($tile_type) to $filename."
foreach pip [lsort [get_pips -of_objects $tile]] {
set src [get_wires -uphill -of_objects $pip]
set dst [get_wires -downhill -of_objects $pip]
# Skip pips with disconnected nodes
set src_node [get_nodes -of_objects $src]
if { $src_node == {} } {
continue
}
set dst_node [get_nodes -of_objects $dst]
if { $dst_node == {} } {
continue
}
if {[llength [get_nodes -uphill -of_objects $dst_node]] > 1} {
set pip_string "$tile_type.[regsub {.*/} $dst ""].[regsub {.*/} $src ""]"
if ![dict exists $pips $pip_string] {
puts $fp $pip_string
dict set pips $pip_string 1
}
} else {
puts "Ignoring PIP: $pip"
}
}
}
close $fp
}
create_project -force -part $::env(XRAY_PART) design design
set_property design_mode PinPlanning [current_fileset]
open_io_design -name io_1
print_tile_pips HCLK_IOI3 hclk_ioi3.txt

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create_project -force -part $::env(XRAY_PART) design design
set_property design_mode PinPlanning [current_fileset]
open_io_design -name io_1
set fp [open "cmt_regions.csv" "w"]
foreach site_type {MMCME2_ADV PLLE2_ADV BUFHCE IOB33M BUFR BUFMRCE BUFIO ILOGICE3 IDELAYCTRL} {
foreach site [get_sites -filter "SITE_TYPE == $site_type"] {
puts $fp "$site,[get_property CLOCK_REGION $site]"
}
}
close $fp

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""" Emits top.v's for various BUFHCE routing inputs. """
import os
import random
random.seed(int(os.getenv("SEED"), 16))
from prjxray import util
from prjxray.lut_maker import LutMaker
from prjxray.db import Database
from io import StringIO
CMT_XY_FUN = util.create_xy_fun(prefix='')
def read_site_to_cmt():
""" Yields clock sources and which CMT they route within. """
with open(os.path.join(os.getenv('FUZDIR'), 'build',
'cmt_regions.csv')) as f:
for l in f:
site, cmt = l.strip().split(',')
yield (site, cmt)
class ClockSources(object):
""" Class for tracking clock sources.
"""
def __init__(self, limit=14):
self.sources = {}
self.source_to_cmt = {}
self.used_sources_from_cmt = {}
self.limit = limit
def add_clock_source(self, source, cmt):
""" Adds a source from a specific CMT.
cmt='ANY' indicates that this source can be routed to any CMT.
"""
if cmt not in self.sources:
self.sources[cmt] = []
self.sources[cmt].append(source)
self.source_to_cmt[source] = cmt
def get_random_source(self, cmt, no_repeats=False):
""" Get a random source that is routable to the specific CMT.
get_random_source will return a source that is either cmt='ANY',
cmt equal to the input CMT, or the adjecent CMT.
"""
choices = []
if cmt in self.sources:
choices.extend(self.sources[cmt])
random.shuffle(choices)
for source in choices:
source_cmt = self.source_to_cmt[source]
if source_cmt not in self.used_sources_from_cmt:
self.used_sources_from_cmt[source_cmt] = set()
if no_repeats and source in self.used_sources_from_cmt[source_cmt]:
continue
if len(self.used_sources_from_cmt[source_cmt]) >= self.limit:
continue
self.used_sources_from_cmt[source_cmt].add(source)
return source
return None
def main():
"""
HCLK_IOI has the following inputs:
12 (east) BUFH from the right side of the HROW
12 (west) Bounce PIPs from one BUFH to any of 6 GCLK_BOT and 6 GCLK_TOP
4 (east) PHSR_PERFCLK (IOCLK_PLL) from HCLK_CLB to input of BUFIO
8 (4 north and 4 south) BUFR CLR and CE
2 (south) I2IOCLK to input of BUFR
2 (north) I2IOCLK to input of BUFR
2 RCLK IMUX (IMUX0 and IMUX1) choosing input of BUFR
outputs:
4 (east) BUFRCLK - from BUFR to HROW
4 (north) BUFR2IO - from BUFR
4 (north) IOCLK from BUFIO
"""
global_clock_sources = ClockSources()
cmt_clock_sources = ClockSources()
cmt_fast_clock_sources = ClockSources(4)
bufr_clock_sources = ClockSources()
bufio_clock_sources = ClockSources()
site_to_cmt = dict(read_site_to_cmt())
clock_region_limit = dict()
clock_region_serdes_location = dict()
db = Database(util.get_db_root())
grid = db.grid()
def gen_sites(desired_site_type):
for tile_name in sorted(grid.tiles()):
loc = grid.loc_of_tilename(tile_name)
gridinfo = grid.gridinfo_at_loc(loc)
for site, site_type in gridinfo.sites.items():
if site_type == desired_site_type:
yield tile_name, site
def serdes_relative_location(tile, site):
(serdes_loc_x, serdes_loc_y) = grid.loc_of_tilename(tile)
serdes_clk_reg = site_to_cmt[site]
for tile_name in sorted(grid.tiles()):
if 'HCLK_IOI3' in tile_name:
(hclk_tile_loc_x,
hclk_tile_loc_y) = grid.loc_of_tilename(tile_name)
if hclk_tile_loc_x == serdes_loc_x:
gridinfo = grid.gridinfo_at_loc(
(hclk_tile_loc_x, hclk_tile_loc_y))
random_site = next(iter(gridinfo.sites.keys()))
hclk_clk_reg = site_to_cmt[random_site]
if hclk_clk_reg == serdes_clk_reg:
if serdes_loc_y < hclk_tile_loc_y:
return "TOP"
elif serdes_loc_y > hclk_tile_loc_y:
return "BOTTOM"
else:
assert False
clock_region_sites = set()
def get_clock_region_site(site_type, clk_reg):
for site_name, reg in site_to_cmt.items():
if site_name.startswith(site_type) and reg in clk_reg:
if site_name not in clock_region_sites:
clock_region_sites.add(site_name)
return site_name
print(
'''
module top();
(* KEEP, DONT_TOUCH *)
LUT6 dummy();
''')
luts = LutMaker()
bufs = StringIO()
for _, site in gen_sites('MMCME2_ADV'):
mmcm_clocks = [
'mmcm_clock_{site}_{idx}'.format(site=site, idx=idx)
for idx in range(13)
]
for idx, clk in enumerate(mmcm_clocks):
if idx < 4:
cmt_fast_clock_sources.add_clock_source(clk, site_to_cmt[site])
else:
cmt_clock_sources.add_clock_source(clk, site_to_cmt[site])
print(
"""
wire cin1_{site}, cin2_{site}, clkfbin_{site}, {c0}, {c1}, {c2}, {c3}, {c4}, {c5};
(* KEEP, DONT_TOUCH, LOC = "{site}" *)
MMCME2_ADV pll_{site} (
.CLKIN1(cin1_{site}),
.CLKIN2(cin2_{site}),
.CLKFBIN(clkfbin_{site}),
.CLKOUT0({c0}),
.CLKOUT0B({c4}),
.CLKOUT1({c1}),
.CLKOUT1B({c5}),
.CLKOUT2({c2}),
.CLKOUT2B({c6}),
.CLKOUT3({c3}),
.CLKOUT3B({c7}),
.CLKOUT4({c8}),
.CLKOUT5({c9}),
.CLKOUT6({c10}),
.CLKFBOUT({c11}),
.CLKFBOUTB({c12})
);
""".format(
site=site,
c0=mmcm_clocks[0],
c1=mmcm_clocks[1],
c2=mmcm_clocks[2],
c3=mmcm_clocks[3],
c4=mmcm_clocks[4],
c5=mmcm_clocks[5],
c6=mmcm_clocks[6],
c7=mmcm_clocks[7],
c8=mmcm_clocks[8],
c9=mmcm_clocks[9],
c10=mmcm_clocks[10],
c11=mmcm_clocks[11],
c12=mmcm_clocks[12],
))
for _, site in gen_sites('PLLE2_ADV'):
pll_clocks = [
'pll_clock_{site}_{idx}'.format(site=site, idx=idx)
for idx in range(7)
]
for clk in pll_clocks:
cmt_clock_sources.add_clock_source(clk, site_to_cmt[site])
print(
"""
wire cin1_{site}, cin2_{site}, clkfbin_{site}, {c0}, {c1}, {c2}, {c3}, {c4}, {c5}, {c6};
(* KEEP, DONT_TOUCH, LOC = "{site}" *)
PLLE2_ADV pll_{site} (
.CLKIN1(cin1_{site}),
.CLKIN2(cin2_{site}),
.CLKFBIN(clkfbin_{site}),
.CLKOUT0({c0}),
.CLKOUT1({c1}),
.CLKOUT2({c2}),
.CLKOUT3({c3}),
.CLKOUT4({c4}),
.CLKOUT5({c5}),
.CLKFBOUT({c6})
);
""".format(
site=site,
c0=pll_clocks[0],
c1=pll_clocks[1],
c2=pll_clocks[2],
c3=pll_clocks[3],
c4=pll_clocks[4],
c5=pll_clocks[5],
c6=pll_clocks[6],
))
for tile_name, site in gen_sites('BUFHCE'):
print(
"""
wire I_{site};
wire O_{site};
(* KEEP, DONT_TOUCH, LOC = "{site}" *)
BUFHCE buf_{site} (
.I(I_{site}),
.O(O_{site})
);""".format(site=site),
file=bufs)
global_clock_sources.add_clock_source(
'O_{site}'.format(site=site), site_to_cmt[site])
hclks_used_by_clock_region = {}
for cmt in site_to_cmt.values():
hclks_used_by_clock_region[cmt] = set()
def check_hclk_src(src, src_cmt):
if len(hclks_used_by_clock_region[src_cmt]
) >= 12 and src not in hclks_used_by_clock_region[src_cmt]:
return None
else:
hclks_used_by_clock_region[src_cmt].add(src)
return src
cmt_clks_used_by_clock_region = {}
for cmt in site_to_cmt.values():
cmt_clks_used_by_clock_region[cmt] = list()
def check_cmt_clk_src(src, src_clock_region):
print(
"//src: {}, clk_reg: {}, len {}".format(
src, src_clock_region,
len(cmt_clks_used_by_clock_region[src_clock_region])))
if len(cmt_clks_used_by_clock_region[src_clock_region]) >= 4:
return None
else:
cmt_clks_used_by_clock_region[src_clock_region].append(src)
return src
#Add IDELAYCTRL
idelayctrl_in_clock_region = {}
for cmt in site_to_cmt.values():
idelayctrl_in_clock_region[cmt] = False
for _, site in gen_sites('IDELAYCTRL'):
if random.random() < 0.5:
wire_name = global_clock_sources.get_random_source(
site_to_cmt[site], no_repeats=False)
if wire_name is None:
continue
src_cmt = global_clock_sources.source_to_cmt[wire_name]
wire_name = check_hclk_src(wire_name, src_cmt)
if wire_name is None:
continue
idelayctrl_in_clock_region[src_cmt] = True
print(
"""
assign I_{site} = {clock_source};
(* KEEP, DONT_TOUCH, LOC = "{site}" *)
IDELAYCTRL idelay_ctrl_{site} (
.RDY(),
.REFCLK(I_{site}),
.RST()
);""".format(site=site, clock_source=wire_name))
# Add SERDES driven by BUFH or MMCM
for tile, site in gen_sites('ILOGICE3'):
wire_name = None
clock_region = site_to_cmt[site]
if clock_region not in clock_region_limit:
# Select serdes limit and relative location per clock region
serdes_location = random.choice(["TOP", "BOTTOM", "ANY"])
if serdes_location in "ANY":
#We want TOP and BOTTOM IGCLK PIPs occupied but leave one slot for IDELAYCTRL
if idelayctrl_in_clock_region[clock_region]:
clock_region_limit[clock_region] = 0 if random.random(
) < 0.2 else 11
else:
clock_region_limit[clock_region] = 0 if random.random(
) < 0.2 else 12
else:
if idelayctrl_in_clock_region[clock_region]:
clock_region_limit[clock_region] = 0 if random.random(
) < 0.2 else 5
else:
clock_region_limit[clock_region] = 0 if random.random(
) < 0.2 else 6
clock_region_serdes_location[clock_region] = serdes_location
# We reached the limit of hclks in this clock region
if clock_region_limit[clock_region] == 0:
continue
# Add a serdes if it's located at the correct side from the HCLK_IOI tile
if clock_region_serdes_location[clock_region] not in "ANY" and \
serdes_relative_location(tile, site) != clock_region_serdes_location[clock_region]:
continue
if random.random() > 0.3:
wire_name = global_clock_sources.get_random_source(
site_to_cmt[site], no_repeats=True)
if wire_name is None:
continue
src_cmt = global_clock_sources.source_to_cmt[wire_name]
wire_name = check_hclk_src(wire_name, src_cmt)
if wire_name is None:
print("//wire is None")
continue
clock_region_limit[clock_region] -= 1
print(
"""
assign serdes_clk_{site} = {clock_source};""".format(
site=site, clock_source=wire_name))
else:
wire_name = cmt_fast_clock_sources.get_random_source(
site_to_cmt[site], no_repeats=False)
if wire_name is None:
continue
src_cmt = cmt_fast_clock_sources.source_to_cmt[wire_name]
wire_name = check_cmt_clk_src(wire_name, src_cmt)
if wire_name is None:
continue
bufio_site = get_clock_region_site("BUFIO", clock_region)
if bufio_site is None:
continue
print(
"""
assign serdes_clk_{serdes_loc} = O_{site};
assign I_{site} = {clock_source};
(* KEEP, DONT_TOUCH, LOC = "{site}" *)
BUFIO bufio_{site} (
.O(O_{site}),
.I(I_{site})
);""".format(site=bufio_site, clock_source=wire_name, serdes_loc=site))
print(
"// clock_region: {} {}".format(
clock_region, clock_region_serdes_location[clock_region]))
print(
"""
(* KEEP, DONT_TOUCH, LOC = "{loc}" *)
ISERDESE2 #(
.DATA_RATE("SDR"),
.DATA_WIDTH(4),
.DYN_CLKDIV_INV_EN("FALSE"),
.DYN_CLK_INV_EN("FALSE"),
.INIT_Q1(1'b0),
.INIT_Q2(1'b0),
.INIT_Q3(1'b0),
.INIT_Q4(1'b0),
.INTERFACE_TYPE("OVERSAMPLE"),
.IOBDELAY("NONE"),
.NUM_CE(2),
.OFB_USED("FALSE"),
.SERDES_MODE("MASTER"),
.SRVAL_Q1(1'b0),
.SRVAL_Q2(1'b0),
.SRVAL_Q3(1'b0),
.SRVAL_Q4(1'b0)
)
ISERDESE2_inst_{loc} (
.CLK(serdes_clk_{loc}),
.CLKB(),
.CLKDIV(),
.D(1'b0),
.DDLY(),
.OFB(),
.OCLKB(),
.RST(),
.SHIFTIN1(),
.SHIFTIN2()
);
""".format(loc=site, clock_source=wire_name))
# BUFRs
for _, site in gen_sites('BUFR'):
if random.random() < 0.5:
wire_name = cmt_fast_clock_sources.get_random_source(
site_to_cmt[site], no_repeats=False)
if wire_name is None:
continue
src_cmt = cmt_fast_clock_sources.source_to_cmt[wire_name]
wire_name = check_cmt_clk_src(wire_name, src_cmt)
if wire_name is None:
continue
bufr_clock_sources.add_clock_source(
'O_{site}'.format(site=site), site_to_cmt[site])
print(
"""
assign I_{site} = {clock_source};
(* KEEP, DONT_TOUCH, LOC = "{site}" *)
BUFR bufr_{site} (
.O(O_{site}),
.I(I_{site})
);""".format(site=site, clock_source=wire_name),
file=bufs)
for _, site in gen_sites('MMCME2_ADV'):
wire_name = bufr_clock_sources.get_random_source(
site_to_cmt[site], no_repeats=True)
if wire_name is None:
continue
print(
"""
assign cin1_{site} = {wire_name};""".format(
site=site, wire_name=wire_name))
print(bufs.getvalue())
print("endmodule")
if __name__ == '__main__':
main()

View File

@ -95,6 +95,7 @@ $(eval $(call fuzzer,043-clk-rebuf-pips,005-tilegrid))
$(eval $(call fuzzer,044-clk-bufg-pips,046-clk-bufg-muxed-pips))
$(eval $(call fuzzer,045-hclk-cmt-pips,005-tilegrid))
$(eval $(call fuzzer,046-clk-bufg-muxed-pips,005-tilegrid))
$(eval $(call fuzzer,047-hclk-ioi-pips,005-tilegrid))
$(eval $(call fuzzer,048-int-piplist,005-tilegrid))
$(eval $(call fuzzer,049-int-imux-gfan,048-int-piplist))
$(eval $(call fuzzer,050-pip-seed,048-int-piplist))

View File

@ -123,6 +123,9 @@ case "$1" in
cfg_center_mid)
cp "$2" "$tmp1" ;;
hclk_ioi3)
cp "$2" "$tmp1" ;;
mask_*)
db=$XRAY_DATABASE_DIR/$XRAY_DATABASE/$1.db
ismask=true