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#!/usr/bin/env python3
#
# Copyright (C) 2015 Clifford Wolf <clifford@clifford.at>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
import icebox
import getopt, sys, re
mode_384 = False
mode_5k = False
mode_8k = False
def usage():
print("""
Usage: icebox_chipdb [options] [bitmap.asc]
-3
create chipdb for 384 device
-5
create chipdb for 5k device
-8
create chipdb for 8k device
""")
sys.exit(0)
try:
opts, args = getopt.getopt(sys.argv[1:], "358")
except:
usage()
for o, a in opts:
if o == "-8":
mode_8k = True
elif o == "-5":
mode_5k = True
elif o == "-3":
mode_384 = True
else:
usage()
ic = icebox.iceconfig()
if mode_8k:
ic.setup_empty_8k()
elif mode_5k:
ic.setup_empty_5k()
elif mode_384:
ic.setup_empty_384()
else:
ic.setup_empty_1k()
all_tiles = set()
for x in range(ic.max_x+1):
for y in range(ic.max_y+1):
if ic.tile(x, y) is not None:
all_tiles.add((x, y))
seg_to_net = dict()
net_to_segs = list()
print("""#
# IceBox Chip Database Dump (iCE40 %s)
#
#
# Quick File Format Reference:
# ----------------------------
#
# .device DEVICE WIDTH HEIGHT NUM_NETS
#
# declares the device type
#
#
# .pins PACKAGE
# PIN_NUM TILE_X TILE_Y PIO_NUM
# ...
#
# associates a package pin with an IO tile and block, and global network
#
#
# .gbufin
# TILE_X TILE_Y GLB_NUM
# ...
#
# associates an IO tile with the global network can drive via fabout
#
#
# .gbufpin
# TILE_X TILE_Y PIO_NUM GLB_NUM
# ...
#
# associates an IO tile with the global network can drive via the pad
#
#
# .iolatch
# TILE_X TILE_Y
# ...
#
# specifies the IO tiles that drive the latch signal for the bank via fabout
#
#
# .ieren
# PIO_TILE_X PIO_TILE_Y PIO_NUM IEREN_TILE_X IEREN_TILE_Y IEREN_NUM
# ...
#
# associates an IO block with an IeRen-block
#
#
# .colbuf
# SOURCE_TILE_X SOURCE_TILE_Y DEST_TILE_X DEST_TILE_Y
# ...
#
# declares the positions of the column buffers
#
#
# .io_tile X Y
# .logic_tile X Y
# .ramb_tile X Y
# .ramt_tile X Y
# .dsp[0..3]_tile X Y
# .ipcon_tile X Y
# declares the existence of a IO/LOGIC/RAM tile with the given coordinates
#
#
# .io_tile_bits COLUMNS ROWS
# .logic_tile_bits COLUMNS ROWS
# .ramb_tile_bits COLUMNS ROWS
# .ramt_tile_bits COLUMNS ROWS
# .dsp[0..3]_tile_bits X Y
# .ipcon_tile_bits X Y
# FUNCTION_1 CONFIG_BITS_NAMES_1
# FUNCTION_2 CONFIG_BITS_NAMES_2
# ...
#
# declares non-routing configuration bits of IO/LOGIC/RAM tiles
#
#
# .extra_cell X Y <cell-type>
# .extra_cell X Y Z <cell-type>
# KEY MULTI-FIELD-VALUE
# ....
#
# declares a special-purpose cell that is not part of the FPGA fabric
#
#
# .extra_bits
# FUNCTION BANK_NUM ADDR_X ADDR_Y
# ...
#
# declares non-routing global configuration bits
#
#
# .net NET_INDEX
# X1 Y1 name1
# X2 Y2 name2
# ...
#
# declares a net on the chip and lists its various names in different tiles
#
#
# .buffer X Y DST_NET_INDEX CONFIG_BITS_NAMES
# CONFIG_BITS_VALUES_1 SRC_NET_INDEX_1
# CONFIG_BITS_VALUES_2 SRC_NET_INDEX_2
# ...
#
# declares a buffer in the specified tile
#
#
# .routing X Y DST_NET_INDEX CONFIG_BITS_NAMES
# CONFIG_BITS_VALUES_1 SRC_NET_INDEX_1
# CONFIG_BITS_VALUES_2 SRC_NET_INDEX_2
# ...
#
# declares a routing switch in the specified tile
#
""" % ic.device)
all_group_segments = ic.group_segments(all_tiles, connect_gb=False)
print(".device %s %d %d %d" % (ic.device, ic.max_x+1, ic.max_y+1, len(all_group_segments)))
print()
for key in sorted(icebox.pinloc_db.keys()):
key_dev, key_package = key.split("-")
if key_dev == ic.device:
print(".pins %s" % (key_package))
for entry in sorted(icebox.pinloc_db[key]):
print("%s %d %d %d" % entry)
print()
print(".gbufin")
for entry in sorted(ic.gbufin_db()):
print(" ".join(["%d" % k for k in entry]))
print()
print(".gbufpin")
for padin, pio in enumerate(ic.padin_pio_db()):
entry = pio + (padin,)
print(" ".join(["%d" % k for k in entry]))
print()
print(".iolatch")
for entry in sorted(ic.iolatch_db()):
print(" ".join(["%d" % k for k in entry]))
print()
print(".ieren")
for entry in sorted(ic.ieren_db()):
print(" ".join(["%d" % k for k in entry]))
print()
print(".colbuf")
for entry in sorted(ic.colbuf_db()):
print(" ".join(["%d" % k for k in entry]))
print()
for idx in sorted(ic.io_tiles):
print(".io_tile %d %d" % idx)
print()
for idx in sorted(ic.logic_tiles):
print(".logic_tile %d %d" % idx)
print()
for idx in sorted(ic.ramb_tiles):
print(".ramb_tile %d %d" % idx)
print()
for idx in sorted(ic.ramt_tiles):
print(".ramt_tile %d %d" % idx)
print()
for dsp_idx in range(4):
for idx in sorted(ic.dsp_tiles[dsp_idx]):
x, y = idx
print(".dsp%d_tile %d %d" % (dsp_idx, x, y))
print()
for idx in sorted(ic.ipcon_tiles):
print(".ipcon_tile %d %d" % idx)
print()
def print_tile_nonrouting_bits(tile_type, idx):
tx = idx[0]
ty = idx[1]
tile = ic.tile(tx, ty)
print(".%s_tile_bits %d %d" % (tile_type, len(tile[0]), len(tile)))
function_bits = dict()
for entry in ic.tile_db(tx, ty):
if not ic.tile_has_entry(tx, ty, entry):
continue
if entry[1] in ("routing", "buffer"):
continue
func = ".".join(entry[1:])
function_bits[func] = entry[0]
for x in sorted(function_bits):
print(" ".join([x] + function_bits[x]))
print()
print_tile_nonrouting_bits("logic", list(ic.logic_tiles.keys())[0])
print_tile_nonrouting_bits("io", list(ic.io_tiles.keys())[0])
if not mode_384:
print_tile_nonrouting_bits("ramb", list(ic.ramb_tiles.keys())[0])
print_tile_nonrouting_bits("ramt", list(ic.ramt_tiles.keys())[0])
if ic.is_ultra():
for dsp_idx in range(4):
print_tile_nonrouting_bits("dsp%d" % dsp_idx, list(ic.dsp_tiles[dsp_idx].keys())[0])
print_tile_nonrouting_bits("ipcon", list(ic.ipcon_tiles.keys())[0])
print(".extra_cell 0 0 WARMBOOT")
for key in sorted(icebox.warmbootinfo_db[ic.device]):
print("%s %s" % (key, " ".join([str(k) for k in icebox.warmbootinfo_db[ic.device][key]])))
print()
for pllid in ic.pll_list():
pllinfo = icebox.pllinfo_db[pllid]
print(".extra_cell %d %d PLL" % pllinfo["LOC"])
locked_pkgs = []
for entry in icebox.noplls_db:
if pllid in icebox.noplls_db[entry]:
locked_pkgs.append(entry.split("-")[1])
if len(locked_pkgs) > 0:
print("LOCKED %s" % " ".join(sorted(locked_pkgs)))
for key in sorted(pllinfo):
if key != "LOC":
print("%s %s" % (key, " ".join([str(k) for k in pllinfo[key]])))
print()
for dsploc in ic.dsp_tiles[0]:
x, y = dsploc
print(".extra_cell %d %d 0 MAC16" % dsploc)
nets = ic.get_dsp_nets_db(x, y)
for key in sorted(nets):
print("%s %s" % (key, " ".join([str(k) for k in nets[key]])))
cfg = ic.get_dsp_config_db(x, y)
for key in sorted(cfg):
print("%s %s" % (key, " ".join([str(k) for k in cfg[key]])))
print()
if ic.device in icebox.extra_cells_db:
for cell in icebox.extra_cells_db[ic.device]:
name, loc = cell
x, y, z = loc
print(".extra_cell %d %d %d %s" % (x, y, z, name))
cellinfo = icebox.extra_cells_db[ic.device][cell]
for key in sorted(cellinfo):
print("%s %s" % (key, " ".join([str(k) for k in cellinfo[key]])))
print()
if ic.device in icebox.spram_db:
for cell in icebox.spram_db[ic.device]:
loc = cell
x, y, z = loc
print(".extra_cell %d %d %d SPRAM" % (x, y, z))
cellinfo = icebox.spram_db[ic.device][cell]
for key in sorted(cellinfo):
print("%s %s" % (key, " ".join([str(k) for k in cellinfo[key]])))
print()
print(".extra_bits")
extra_bits = dict()
for idx in sorted(ic.extra_bits_db()):
extra_bits[".".join(ic.extra_bits_db()[idx])] = " ".join(["%d" % k for k in idx])
for idx in sorted(extra_bits):
print("%s %s" % (idx, extra_bits[idx]))
print()
for group in sorted(all_group_segments):
netidx = len(net_to_segs)
net_to_segs.append(group)
print(".net %d" % netidx)
for seg in group:
print("%d %d %s" % seg)
assert seg not in seg_to_net
seg_to_net[seg] = netidx
print()
for idx in sorted(all_tiles):
db = ic.tile_db(idx[0], idx[1])
db_by_bits = dict()
for entry in db:
if entry[1] in ("buffer", "routing") and ic.tile_has_net(idx[0], idx[1], entry[2]) and ic.tile_has_net(idx[0], idx[1], entry[3]):
bits = tuple([entry[1]] + sorted([bit.replace("!", "") for bit in entry[0]]))
db_by_bits.setdefault(bits, list()).append(entry)
for bits in sorted(db_by_bits):
dst_net = None
for entry in sorted(db_by_bits[bits]):
assert (idx[0], idx[1], entry[3]) in seg_to_net
if dst_net is None:
dst_net = seg_to_net[(idx[0], idx[1], entry[3])]
else:
assert dst_net == seg_to_net[(idx[0], idx[1], entry[3])]
print(".%s %d %d %d %s" % (bits[0], idx[0], idx[1], dst_net, " ".join(bits[1:])))
for entry in sorted(db_by_bits[bits]):
pattern = ""
for bit in bits[1:]:
pattern += "1" if bit in entry[0] else "0"
assert (idx[0], idx[1], entry[2]) in seg_to_net
print("%s %d" % (pattern, seg_to_net[(idx[0], idx[1], entry[2])]))
print()
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