Eddie Hung
95763c8d18
abc9_ops: add 'dff' label for auto handling of (* abc9_flop *) boxes
2020-05-14 10:33:56 -07:00
Eddie Hung
e6b55e8b38
synth_ice40/ecp5/xilinx: allow abc9.W to be overridden via scratchpad
2020-05-04 11:44:00 -07:00
Eddie Hung
d2d90e4504
xilinx: improve xilinx_dffopt message
2020-04-22 16:25:23 -07:00
Marcelina Kościelnicka
b4d76309e1
Use default parameter value in getParam
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Fixes #1822 .
2020-04-21 19:09:00 +02:00
Marcelina Kościelnicka
38a0c30d65
Get rid of dffsr2dff.
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This pass is a proper subset of opt_rmdff, which is called by opt, which
is called by every synth flow in the coarse part. Thus, it never
actually does anything and can be safely removed.
2020-04-15 16:22:37 +02:00
Eddie Hung
d61a6b81fc
Merge pull request #1648 from YosysHQ/eddie/cmp2lcu
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"techmap -map +/cmp2lcu.v" for decomposing arithmetic compares to $lcu
2020-04-03 16:28:25 -07:00
Eddie Hung
051aefc3c2
synth_xilinx: techmap +/cmp2lut.v and +/cmp2lcu.v in 'coarse'
2020-04-03 14:28:22 -07:00
Eddie Hung
956ecd48f7
kernel: big fat patch to use more ID::*, otherwise ID(*)
2020-04-02 09:51:32 -07:00
Marcin Kościelnicki
9b982e929c
xilinx: Mark IOBUFDS.IOB as external pad
2020-03-20 14:37:38 +01:00
Eddie Hung
7b543fdb0c
xilinx: consider DSP48E1.ADREG
2020-03-04 12:04:02 -08:00
Eddie Hung
512596760b
xilinx: cleanup DSP48E1 handling for abc9
2020-03-04 11:31:12 -08:00
Eddie Hung
f65fc845e5
xilinx: improve specify for DSP48E1
2020-03-04 11:31:12 -08:00
Eddie Hung
78d4fff69d
xilinx: missing DSP48E1.PCIN timing from abc9_{map,model}.v
2020-03-04 11:31:12 -08:00
Eddie Hung
090e54569a
Remove RAMB{18,36}E1 from cells_xtra.py
2020-02-27 10:33:04 -08:00
Eddie Hung
376319dc8d
xilinx: Update RAMB* specify entries
2020-02-27 10:17:29 -08:00
Eddie Hung
3b74e0fa45
xilinx: add delays to INV
2020-02-27 10:17:29 -08:00
Eddie Hung
b0ffd9cd8b
Make +/xilinx/cells_sim.v legal
2020-02-27 10:17:29 -08:00
Eddie Hung
1ef1ca812b
Get rid of (* abc9_{arrival,required} *) entirely
2020-02-27 10:17:29 -08:00
Eddie Hung
3ea5506f81
abc9_ops: use TimingInfo for -prep_{lut,box} too
2020-02-27 10:17:29 -08:00
Eddie Hung
7d86aceee3
Expand +/xilinx/cells_sim.v to keep ICARUS and non -specify paresr happy
2020-02-27 10:17:29 -08:00
Eddie Hung
aac309626b
Fix tests by gating some specify constructs from iverilog
2020-02-27 10:17:29 -08:00
Eddie Hung
e22fee6cdd
abc9_ops: ignore (* abc9_flop *) if not '-dff'
2020-02-27 10:17:29 -08:00
Eddie Hung
8408c13405
Update xilinx for ABC9
2020-02-27 10:17:29 -08:00
Eddie Hung
ccc84f8923
Fix commented out specify statement
2020-02-27 10:17:29 -08:00
Eddie Hung
12d70ca8fb
xilinx: improve specify functionality
2020-02-27 10:17:29 -08:00
Eddie Hung
577545488a
xilinx: use specify blocks in place of abc9_{arrival,required}
2020-02-27 10:17:29 -08:00
Eddie Hung
0e7c55e2a7
Auto-generate .box/.lut files from specify blocks
2020-02-27 10:17:29 -08:00
Eddie Hung
74f49b1f55
abc9_ops: -prep_box, to be called once
2020-02-27 10:17:29 -08:00
Eddie Hung
5643c1b8c5
abc9_ops: -prep_lut and -write_lut to auto-generate LUT library
2020-02-27 10:17:29 -08:00
Piotr Binkowski
62ab100c61
xilinx: mark IOBUFDSE3 IOB pin as external
2020-02-27 13:15:57 +01:00
Eddie Hung
00d41905df
abc9: deprecate abc9_ff.init wire for (* abc9_init *) attr
2020-02-13 12:33:58 -08:00
Eddie Hung
c244b27b6d
abc9: cleanup
2020-02-10 10:17:23 -08:00
Eddie Hung
2e8d6ec0b0
Remove unnecessary comma
2020-02-07 12:45:07 -08:00
Marcin Kościelnicki
89adef352f
xilinx: Add support for LUT RAM on LUT4-based devices.
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There are multiple other kinds of RAMs supported on these devices, but
RAM16X1D is the only dual-port one.
Fixes #1549
2020-02-07 09:03:22 +01:00
Marcin Kościelnicki
d48950d92d
xilinx: Initial support for LUT4 devices.
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Adds support for mapping logic, including LUTs, wide LUTs, and carry
chains.
Fixes #1547
2020-02-07 09:03:22 +01:00
Marcin Kościelnicki
30854b9c7f
xilinx: Add block RAM mapping for Virtex 2* and Spartan 3*.
2020-02-07 01:00:29 +01:00
Marcin Kościelnicki
95c46ccc55
xilinx: Add support for Spartan 3A DSP block RAMs.
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Part of #1550
2020-02-07 01:00:29 +01:00
Eddie Hung
d625e399cb
Fix $lcu -> MUXCY mapping, credit @mwkmwkmwk
2020-02-06 11:25:07 -08:00
Eddie Hung
5ecbc6c7b2
Fix/cleanup +/xilinx/arith_map.v
2020-02-06 11:00:04 -08:00
Eddie Hung
0671ae7d79
Merge pull request #1661 from YosysHQ/eddie/abc9_required
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abc9: add support for required times
2020-02-05 18:59:40 +01:00
Marcelina Kościelnicka
34d2fbd2f9
Add opt_lut_ins pass. ( #1673 )
2020-02-03 14:57:17 +01:00
Marcin Kościelnicki
b44d0e041f
xilinx: use RAM32M/RAM64M for memories with two read ports
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This fixes inefficient LUT RAM usage for memories with one write
and two read ports (commonly used as register files).
2020-02-02 14:34:21 +01:00
Eddie Hung
c5971cb16c
synth_xilinx: cleanup help
2020-01-28 17:48:43 -08:00
Eddie Hung
0fd64aab25
synth_xilinx: fix help when no active_design; fixes #1664
2020-01-28 17:41:57 -08:00
Marcin Kościelnicki
7e0e42f907
xilinx: Add simulation model for DSP48 (Virtex 4).
2020-01-29 01:40:00 +01:00
Eddie Hung
7939727d14
Merge pull request #1660 from YosysHQ/eddie/abc9_unpermute_luts
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Unpermute LUT ordering for ice40/ecp5/xilinx
2020-01-28 11:55:51 -08:00
Eddie Hung
245b8c4ab6
Fix unresolved conflict from #1573
2020-01-28 10:17:47 -08:00
N. Engelhardt
086c133ea5
Merge pull request #1573 from YosysHQ/eddie/xilinx_tristate
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synth_xilinx: error out if tristate without '-iopad'
2020-01-28 17:24:54 +01:00
Eddie Hung
ce6a690d27
xilinx/ice40/ecp5: undo permuting LUT masks in lut_map
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Now done in read_aiger
2020-01-27 13:30:27 -08:00
Eddie Hung
f2576c096c
Merge branch 'eddie/abc9_refactor' into eddie/abc9_required
2020-01-27 12:29:28 -08:00