Eddie Hung
a52f779eca
ecp5: (* abc9_flop *) gated behind YOSYS
2020-05-14 10:33:56 -07:00
Eddie Hung
34c7732642
ecp5: add synth_ecp5 -dff to work with -abc9
2020-05-14 10:33:56 -07:00
Eddie Hung
23c53a6bdd
ice40: synth_ice40 cleanup
2020-05-14 10:33:56 -07:00
Eddie Hung
5d5029fa75
ecp5: replace ecp5_ffinit with techmap rules + dff2dffs -match-init
2020-05-14 10:33:56 -07:00
Eddie Hung
fe7965e0ee
ice40: add synth_ice40 -dff option, support with -abc9
2020-05-14 10:33:56 -07:00
Eddie Hung
4a10c87ae1
ice40: split out cells_map.v into ff_map.v
2020-05-14 10:33:56 -07:00
Eddie Hung
c10757a8ea
synth_xilinx: rename dff_mode -> dff
2020-05-14 10:33:56 -07:00
Eddie Hung
95763c8d18
abc9_ops: add 'dff' label for auto handling of (* abc9_flop *) boxes
2020-05-14 10:33:56 -07:00
Claire Wolf
ee0beb481d
Merge pull request #2027 from YosysHQ/eddie/verilog_neg_upto
...
ast: swap range regardless of range_left >= 0
2020-05-14 18:06:18 +02:00
Eddie Hung
27b7ffc754
ice40: fix ICESTORM_LC process sensitivity
2020-05-12 15:40:48 -07:00
Eddie Hung
4ecae8a673
ice40: fix whitespace
2020-05-12 15:40:13 -07:00
David Shah
95fb3cf487
ecp5: Add missing SERDES parameters
...
Signed-off-by: David Shah <dave@ds0.me>
2020-05-12 21:12:26 +01:00
Dan Ravensloft
5b779f7f4e
intel_alm: direct LUTRAM cell instantiation
...
By instantiating the LUTRAM cell directly, we avoid a trip through
altsyncram, which speeds up Quartus synthesis time. This also gives
a little more flexibility, as Yosys can build RAMs out of individual
32x1 LUTRAM cells.
While working on this, I discovered that the mem_init0 parameter of
<family>_mlab_cell gets ignored by Quartus.
2020-05-07 21:03:13 +02:00
Eddie Hung
004999218f
techlibs/common: more robustness when *_WIDTH = 0
2020-05-05 08:01:27 -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
whitequark
26cda3c247
gowin,ecp5: remove generated files in `make clean`.
2020-04-24 23:26:39 +00:00
Dan Ravensloft
4ca5f9799b
intel_alm: cleanup duplication
2020-04-24 11:26:48 +02:00
Dan Ravensloft
3d149aff73
intel_alm: work around a Quartus ICE
2020-04-23 11:03:28 +02:00
Eddie Hung
51ae0f4e20
ecp5: ecp5_gsr to skip cells that don't have GSR parameter again
2020-04-22 17:53:08 -07:00
Eddie Hung
d2d90e4504
xilinx: improve xilinx_dffopt message
2020-04-22 16:25:23 -07:00
Eddie Hung
7f33a0294b
Cleanup use of hard-coded default parameters in light of #1945
2020-04-22 12:02:30 -07:00
Dan Ravensloft
16a3048308
intel_alm: Documentation improvements
2020-04-21 19:38:15 +02:00
Marcelina Kościelnicka
b4d76309e1
Use default parameter value in getParam
...
Fixes #1822 .
2020-04-21 19:09:00 +02:00
David Shah
1664bcda12
ecp5: Force SIGNED ports to be 1 bit
...
Signed-off-by: David Shah <dave@ds0.me>
2020-04-16 16:38:19 +01:00
Marcelina Kościelnicka
53ba3cf718
Fix the truth table for $_SR_* cells.
...
This brings the documented behavior for these cells in line with
$_DFFSR_* and $_DLATCHSR_*, which is that R has priority over S.
The models were already reflecting that behavior.
Also get rid of sim-synth mismatch in the models while we're at it.
2020-04-15 17:17:48 +02:00
Marcelina Kościelnicka
38a0c30d65
Get rid of dffsr2dff.
...
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
Dan Ravensloft
43cc6bd8a1
synth_intel_alm: VQM support
2020-04-15 16:15:25 +02:00
Dan Ravensloft
2e37e62e6b
synth_intel_alm: alternative synthesis for Intel FPGAs
...
By operating at a layer of abstraction over the rather clumsy Intel primitives,
we can avoid special hacks like `dffinit -highlow` in favour of simple techmapping.
This also makes the primitives much easier to manipulate, and more descriptive
(no more cyclonev_lcell_comb to mean anything from a LUT2 to a LUT6).
2020-04-15 11:40:41 +02:00
whitequark
93ef516d91
Merge pull request #1603 from whitequark/ice40-ram_style
...
ice40/ecp5: add support for both 1364.1 and Synplify/LSE RAM/ROM attributes
2020-04-10 14:51:01 +00:00
Eddie Hung
d61a6b81fc
Merge pull request #1648 from YosysHQ/eddie/cmp2lcu
...
"techmap -map +/cmp2lcu.v" for decomposing arithmetic compares to $lcu
2020-04-03 16:28:25 -07:00
Eddie Hung
7b38cde2df
cmp2lcu: rename _90_lcu_cmp -> _80_lcu_cmp
2020-04-03 14:28:22 -07:00
Eddie Hung
7b09a20c0c
cmp2lcu: fail if `LUT_WIDTH < 2
2020-04-03 14:28:22 -07:00
Eddie Hung
34c9b83854
synth: only techmap cmp2{lut,lcu} if -lut
2020-04-03 14:28:22 -07:00
Eddie Hung
5b87720b16
synth: use +/cmp2lcu.v in generic 'synth' too
2020-04-03 14:28:22 -07:00
Eddie Hung
2bf03c6ae0
Cleanup +/cmp2lut.v
2020-04-03 14:28:22 -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
99a32432aa
+/cmp2lcu.v to work efficiently for fully/partially constant inputs
2020-04-03 14:28:22 -07:00
Eddie Hung
f68d723cdc
Refactor +/cmp2lcu.v into recursive techmap
2020-04-03 14:28:22 -07:00
Eddie Hung
8e851badc4
Cleanup
2020-04-03 14:28:22 -07:00
Eddie Hung
da880d5016
Cleanup cmp2lcu.v
2020-04-03 14:28:22 -07:00
Eddie Hung
9b63700678
techmap +/cmp2lcu.v for decomposing arithmetic compares to $lcu
2020-04-03 14:28:22 -07:00
Eddie Hung
fffe42d4c1
cmp2lut: comment out unused since 362f4f9
2020-04-03 14:28:04 -07:00
whitequark
763401fc82
ecp5: do not map FFRAM if explicitly requested otherwise.
2020-04-03 05:51:40 +00:00
whitequark
ebee746ad2
ice40: do not map FFRAM if explicitly requested otherwise.
2020-04-03 05:51:40 +00:00
Eddie Hung
5f662b1c43
Merge pull request #1767 from YosysHQ/eddie/idstrings
...
IdString: use more ID::*, make them easier to use, speed up IdString::in()
2020-04-02 11:47:25 -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
0ed1062557
simcells.v: Generate the fine FF cell types by a python script.
...
This makes adding more FF types in the future much more manageable.
Fixes #1824 .
2020-04-02 18:37:15 +02:00
Eddie Hung
fdafb74eb7
kernel: use more ID::*
2020-04-02 07:14:08 -07:00
Alberto Gonzalez
fc6b898178
Fix indentation in `techlibs/ice40/synth_ice40.cc`.
2020-04-01 16:29:56 +00:00
David Shah
beab15b77c
Merge pull request #1794 from YosysHQ/dave/mince-abc9-fix
...
ice40: Map unmapped 'mince' DFFs to gate level
2020-03-21 17:35:27 +00:00
Sylvain Munaut
c15ce5a73e
ice40: Fix typos in SPRAM ABC9 timing specs
...
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
2020-03-20 22:19:55 +01:00
David Shah
e813624f21
ice40: Map unmapped 'mince' DFFs to gate level
...
Signed-off-by: David Shah <dave@ds0.me>
2020-03-20 20:29:16 +00:00
Marcin Kościelnicki
9b982e929c
xilinx: Mark IOBUFDS.IOB as external pad
2020-03-20 14:37:38 +01:00
Sylvain Munaut
acd9eeef7c
ice40: Fix SPRAM model to keep data stable if chipselect is low
...
According to the official simulation model, and also cross-checked
on real hardware, the data output of the SPRAM when chipselect is
low is kept stable. It doesn't go undefined.
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
2020-03-14 21:01:42 +01:00
Miodrag Milanovic
acb341745d
Fix invalid verilog syntax
2020-03-14 14:33:44 +01:00
N. Engelhardt
282d331e7e
Merge pull request #1716 from zeldin/ecp5_fix
...
ecp5: remove unused parameter from \$__ECP5_PDPW16KD
2020-03-09 11:04:08 +01:00
N. Engelhardt
8a39a580e1
remove unused parameters
2020-03-06 16:45:36 +01:00
Eddie Hung
69f1555058
ice40: fix specify for ICE40_{LP,U}
2020-03-05 08:11:49 -08:00
Eddie Hung
0930c00f03
ice40: fix implicit signal in specify, also clamp negative times to 0
2020-03-04 15:28:17 -08:00
Eddie Hung
6eb528277e
Merge pull request #1735 from YosysHQ/eddie/abc9_dsp48e1
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xilinx: cleanup DSP48E1 handling for abc9
2020-03-04 13:37:09 -08:00
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
N. Engelhardt
0ec971444b
Merge pull request #1691 from ZirconiumX/use-flowmap-in-noabc
...
Add -flowmap option to `synth{,_ice40}`
2020-03-03 19:15:41 +01:00
Eddie Hung
4f889b2f57
Merge pull request #1724 from YosysHQ/eddie/abc9_specify
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abc9: auto-generate *.lut/*.box files and arrival/required times from specify entries
2020-03-02 12:32:27 -08:00
R. Ou
7932672fc2
coolrunner2: Attempt to give wires/cells more meaningful names
2020-03-02 01:40:57 -08:00
R. Ou
b9c98e0100
coolrunner2: Fix invalid multiple fanouts of XOR/OR gates
...
In some cases where multiple output pins share identical combinatorial
logic, yosys would only generate one $sop cell and therefore one
MACROCELL_XOR cell to try to feed the multiple sinks. This is not valid,
so make the fixup pass duplicate cells when necessary. For example,
fixes the following code:
module top(input a, input b, input clk_, output reg o, output o2);
wire clk;
BUFG bufg0 (
.I(clk_),
.O(clk),
);
always @(posedge clk)
o = a ^ b;
assign o2 = a ^ b;
endmodule
2020-03-02 01:07:15 -08:00
R. Ou
a618004897
coolrunner2: Fix packed register+input buffer insertion
...
The register will be packed with the input buffer if and only if the
input buffer doesn't have any other loads.
2020-03-02 00:32:57 -08:00
R. Ou
a6aeee4e1a
coolrunner2: Insert many more required feedthrough cells
2020-03-01 16:56:21 -08:00
Dan Ravensloft
d7987fec12
Add -flowmap to synth and synth_ice40
2020-02-28 14:29:57 +00:00
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
6bd9550100
ice40: add delays to SB_CARRY
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
aa969f8778
More +/ice40/cells_sim.v fixes
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
3728ef1765
ice40: fix specify for inverted clocks
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
a76520112d
ice40: specify fixes
2020-02-27 10:17:29 -08:00
Eddie Hung
fb60d82971
ice40: move over to specify blocks for -abc9
2020-02-27 10:17:29 -08:00
Eddie Hung
a85c55113f
synth_ecp5: use +/abc9_model.v
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
ac24a23e31
Create +/abc9_model.v for $__ABC9_{DELAY,FF_}
2020-02-27 10:17:29 -08:00
Eddie Hung
d2284715fa
ecp5: remove small LUT entries
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
46a89d7264
ecp5: deprecate abc9_{arrival,required} and *.{lut,box}
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
Claire Wolf
ab8826ae36
Merge pull request #1709 from rqou/coolrunner2_counter
...
Improve CoolRunner-II optimization by using extract_counter pass
2020-02-27 19:05:56 +01:00
Claire Wolf
47228feb77
Merge pull request #1708 from rqou/coolrunner2-buf-fix
...
coolrunner2: Separate and improve buffer cell insertion pass
2020-02-27 19:03:59 +01:00
Piotr Binkowski
62ab100c61
xilinx: mark IOBUFDSE3 IOB pin as external
2020-02-27 13:15:57 +01:00
Marcus Comstedt
48a9b4f616
ecp5: Add missing parameter to \$__ECP5_PDPW16KD
2020-02-22 15:51:25 +01:00
R. Ou
13d0ff4a5f
coolrunner2: Use extract_counter to optimize counters
...
This tends to make much more efficient pterm usage compared to just
throwing the problem at ABC
2020-02-17 03:09:40 -08:00
R. Ou
6a0682f5a0
coolrunner2: Separate and improve buffer cell insertion pass
...
The new pass will contain all of the logic for inserting "passthrough"
product term and XOR cells as appropriate for the architecture. For
example, this commit fixes connecting an input pin directly to another
output pin with no logic in between.
2020-02-16 20:25:46 -08:00
Miodrag Milanovic
cd5c177739
Remove executable flag from files
2020-02-15 10:36:44 +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
Eddie Hung
affae35847
techmap: fix shiftx2mux decomposition
2020-02-07 11:02:48 -08:00
Marcin Kościelnicki
89adef352f
xilinx: Add support for LUT RAM on LUT4-based devices.
...
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.
...
Adds support for mapping logic, including LUTs, wide LUTs, and carry
chains.
Fixes #1547
2020-02-07 09:03:22 +01:00
Eddie Hung
1f54b0008f
Merge pull request #1685 from dh73/gowin
...
Removing cells_sim from GoWin bram techmap
2020-02-06 20:59:21 -08:00
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.
...
Part of #1550
2020-02-07 01:00:29 +01:00
Eddie Hung
1784d25f53
Merge pull request #1684 from YosysHQ/eddie/xilinx_arith_map
...
Fix/cleanup +/xilinx/arith_map.v
2020-02-06 13:51:23 -08:00
Diego H
87883f6d88
Removing cells_sim.v from bram techmap pass
2020-02-06 14:38:29 -06:00
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
whitequark
081d9318bc
ecp5: add support for both 1364.1 and LSE RAM/ROM attributes.
...
This commit tries to carefully follow the documented behavior of LSE
and Synplify. It will use `syn_ramstyle` attribute if there are any
write ports, and `syn_romstyle` attribute otherwise.
* LSE supports both `syn_ramstyle` and `syn_romstyle`.
* Synplify only supports `syn_ramstyle`, with same values as LSE.
* Synplify also supports `syn_rw_conflict_logic`, which is not
documented as supported for LSE.
Limitations of the Yosys implementation:
* LSE/Synplify support `syn_ramstyle="block_ram,no_rw_check"`
syntax to turn off insertion of transparency logic. There is
currently no way to support multiple valued attributes in
memory_bram. It is also not clear if that is a good idea, since
it can cause sim/synth mismatches.
* LSE/Synplify/1364.1 support block ROM inference from full case
statements. Yosys does not currently perform this transformation.
* LSE/Synplify propagate `syn_ramstyle`/`syn_romstyle` attributes
from the module to the inner memories. There is currently no way
to do this in Yosys (attrmvcp only works on cells and wires).
2020-02-06 16:52:51 +00:00
whitequark
3f4460a186
ice40: match memory inference attribute values case insensitive.
...
LSE/Synplify use case insensitive matching.
2020-02-06 14:58:20 +00:00
whitequark
fc28bf55aa
ice40: add support for both 1364.1 and LSE RAM/ROM attributes.
...
This commit tries to carefully follow the documented behavior of LSE
and Synplify. It will use `syn_ramstyle` attribute if there are any
write ports, and `syn_romstyle` attribute otherwise.
* LSE supports both `syn_ramstyle` and `syn_romstyle`.
* Synplify only supports `syn_ramstyle`, with same values as LSE.
* Synplify also supports `syn_rw_conflict_logic`, which is not
documented as supported for LSE.
Limitations of the Yosys implementation:
* LSE/Synplify appear to interpret attribute values insensitive
to case. There is currently no way to do this in Yosys (attrmap
can only change case of attribute names).
* LSE/Synplify support `syn_ramstyle="block_ram,no_rw_check"`
syntax to turn off insertion of transparency logic. There is
currently no way to support multiple valued attributes in
memory_bram. It is also not clear if that is a good idea, since
it can cause sim/synth mismatches.
* LSE/Synplify/1364.1 support block ROM inference from full case
statements. Yosys does not currently perform this transformation.
* LSE/Synplify propagate `syn_ramstyle`/`syn_romstyle` attributes
from the module to the inner memories. There is currently no way
to do this in Yosys (attrmvcp only works on cells and wires).
2020-02-06 14:58:20 +00:00
Eddie Hung
0b0148399c
synth_*: call 'opt -fast' after 'techmap'
2020-02-05 18:39:01 -08:00
Eddie Hung
4c1d3a126d
shiftx2mux: fix select out of bounds
2020-02-05 16:41:09 -08:00
Eddie Hung
b6a1f627b5
Merge remote-tracking branch 'origin/master' into eddie/shiftx2mux
2020-02-05 10:47:31 -08:00
Eddie Hung
0671ae7d79
Merge pull request #1661 from YosysHQ/eddie/abc9_required
...
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
...
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
Claire Wolf
5f53ea2b5b
Merge pull request #1659 from YosysHQ/clifford/experimental
...
Add log_experimental() and experimental() API and "yosys -x"
2020-01-29 15:25:03 +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
...
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
e18aeda7ed
Fix $lut input ordering -- SigSpec(std::initializer_list<>) is backwards
...
Just like Verilog...
2020-01-27 14:02:13 -08:00
Eddie Hung
cfb0366a18
Import tests from #1628
2020-01-27 13:56:16 -08:00
Eddie Hung
ce6a690d27
xilinx/ice40/ecp5: undo permuting LUT masks in lut_map
...
Now done in read_aiger
2020-01-27 13:30:27 -08:00
Eddie Hung
48f3f5213e
Merge pull request #1619 from YosysHQ/eddie/abc9_refactor
...
Refactor `abc9` pass
2020-01-27 13:29:15 -08:00
Eddie Hung
f2576c096c
Merge branch 'eddie/abc9_refactor' into eddie/abc9_required
2020-01-27 12:29:28 -08:00
Eddie Hung
af8281d2f5
Merge pull request #1656 from YosysHQ/eddie/ice40_abc9_warnings
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ice40: reduce ABC9 internal fanout warnings with a param for CI->I3
2020-01-27 09:54:04 -08:00
Claire Wolf
cef607c8b7
Add log_experimental() and experimental() API and "yosys -x"
...
Signed-off-by: Claire Wolf <clifford@clifford.at>
2020-01-27 18:27:47 +01:00
Eddie Hung
81e6b040a4
ice40: add SB_SPRAM256KA arrival time
2020-01-24 12:17:09 -08:00
Eddie Hung
b178761551
ice40: reduce ABC9 internal fanout warnings with a param for CI->I3
2020-01-24 11:59:48 -08:00
Eddie Hung
7858cf20a9
Fix $__ABC9_ASYNC1 to output 1'b1 not 1'b0
2020-01-23 19:02:27 -08:00
Eddie Hung
da134701cd
Fix $__ABC9_ASYNC1 to output 1'b1 not 1'b0
2020-01-22 14:22:03 -08:00
Eddie Hung
72e4540ca9
Explicitly create separate $mux cells
2020-01-21 16:49:34 -08:00
Eddie Hung
3d9737c1bd
Merge remote-tracking branch 'origin/master' into eddie/abc9_refactor
2020-01-21 16:27:40 -08:00
Eddie Hung
152dfd3dd4
Fix tests -- when Y_WIDTH is non-pow-2
2020-01-21 15:19:41 -08:00
Eddie Hung
8d1b736c4f
Move from +/shiftx2mux.v into +/techmap.v; cleanup
2020-01-21 15:19:41 -08:00
Eddie Hung
7977574995
New techmap +/shiftx2mux.v which decomposes LSB first; better for ABC
2020-01-21 15:19:41 -08:00
Eddie Hung
b7be6cfd65
Merge pull request #1643 from YosysHQ/eddie/cleanup_arith_map
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Cleanup +/xilinx/arith_map.v
2020-01-18 09:11:52 -08:00
David Shah
a4cfd1237f
Merge pull request #1602 from niklasnisbeth/ice40-init-vals-warning
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ice40: Demote conflicting FF init values to a warning
2020-01-18 09:47:17 +00:00
Eddie Hung
78ffd5d193
synth_ice40: call wreduce before mul2dsp
2020-01-17 15:41:55 -08:00
Eddie Hung
5c589244df
Deprecate `_CLB_CARRY from +/xilinx/arith_map.v since #1623
2020-01-17 12:02:46 -08:00
Eddie Hung
1e6d56dca1
+/xilinx/arith_map.v fix $lcu rule
2020-01-17 11:28:37 -08:00
Eddie Hung
b0605128b6
Merge remote-tracking branch 'origin/eddie/abc9_refactor' into eddie/abc9_required
2020-01-15 16:42:27 -08:00
Eddie Hung
03ce2c72bb
Merge remote-tracking branch 'origin/master' into eddie/abc9_refactor
2020-01-15 16:42:16 -08:00
Eddie Hung
5a63c19747
abc9_ops: -write_box is empty, output a dummy box to prevent ABC error
2020-01-15 13:14:48 -08:00
Miodrag Milanović
abba1541bc
Merge pull request #1636 from YosysHQ/eddie/fix_synth_xilinx_W
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synth_xilinx: fix default W value for non-xc7
2020-01-15 08:47:16 +01:00
Eddie Hung
0e4285ca0d
abc9_ops: generate flop box ids, add abc9_required to FD* cells
2020-01-14 15:05:49 -08:00
Eddie Hung
915e7dde73
Merge remote-tracking branch 'origin/eddie/abc9_refactor' into eddie/abc9_required
2020-01-14 12:57:56 -08:00
Eddie Hung
d21262ee04
Adding (* techmap_autopurge *) to FD* in abc9_map.v
2020-01-14 12:22:21 -08:00
Eddie Hung
36d1a2c60f
synth_xilinx: fix default W value for non-xc7
2020-01-14 11:34:40 -08:00
Miodrag Milanović
9fbeb57bbd
Merge pull request #1623 from YosysHQ/mmicko/edif_attr
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Export wire properties in EDIF
2020-01-14 19:19:32 +01:00
Eddie Hung
ca2f3db53f
Merge pull request #1620 from YosysHQ/eddie/abc9_scratchpad
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abc9: add some scripts/options into "scratchpad"
2020-01-13 09:04:20 -08:00
Eddie Hung
f9aae90e7a
Merge remote-tracking branch 'origin/eddie/abc9_refactor' into eddie/abc9_required
2020-01-12 15:19:41 -08:00
Eddie Hung
c0b55deb0b
synth_ice40: -abc2 to always use `abc` even if `-abc9`
2020-01-12 11:26:05 -08:00
Eddie Hung
35e49fde4d
Another conflict
2020-01-11 18:57:25 -08:00
Eddie Hung
c063436eea
Merge remote-tracking branch 'origin/master' into eddie/abc9_scratchpad
2020-01-11 17:02:20 -08:00
Eddie Hung
28f814ee59
Add abc9_required to DSP48E1.{A,B,C,D,PCIN}
2020-01-10 17:12:31 -08:00
Eddie Hung
7d94e18100
synth_xilinx: synth_xilinx.abc9.xc7.W to replace XC7_WIRE_DELAY macro
2020-01-10 15:07:46 -08:00
Eddie Hung
475d983676
abc9_ops -prep_times: generate flop boxes from abc9_required attr
2020-01-10 14:49:52 -08:00
Eddie Hung
b2259a9201
Add abc9_ops -check, -prep_times, -write_box for required times
2020-01-10 11:45:41 -08:00
Miodrag Milanovic
992b507537
Use CARRY4 for abc1 as well, preventing issues with Vivado
2020-01-10 12:34:21 +01:00
Eddie Hung
57f6826e29
Merge remote-tracking branch 'origin/eddie/abc9_refactor' into eddie/abc9_required
2020-01-08 18:30:20 -08:00
Eddie Hung
823a08e0d8
Fix abc9_xc7.box comments
2020-01-07 17:00:38 -08:00
Eddie Hung
6e3e814025
Fix abc9_xc7.box comments
2020-01-07 15:59:18 -08:00
Eddie Hung
94ab3791ce
Merge remote-tracking branch 'origin/master' into eddie/abc9_mfs
2020-01-07 15:44:18 -08:00
Eddie Hung
5c89dead5f
Merge branch 'master' of github.com:YosysHQ/yosys
2020-01-06 16:51:32 -08:00
Eddie Hung
01866a7909
Fix DSP48E1 sim
2020-01-06 16:45:29 -08:00
Eddie Hung
53aa51dc92
Re-enable &mfs for synth_{ecp5,xilinx}
2020-01-06 16:21:04 -08:00
Eddie Hung
98ee8c14df
Merge remote-tracking branch 'origin/master' into xaig_dff
2020-01-06 15:02:44 -08:00
Eddie Hung
66698cb6fd
Merge pull request #1617 from YosysHQ/eddie/abc9_dsp_refactor
...
Refactor abc9's DSP48E1 handling
2020-01-06 15:00:16 -08:00
Eddie Hung
28bf712372
Wrap arrival functions inside `YOSYS too
2020-01-06 11:55:56 -08:00
Eddie Hung
27c150bfcc
Fix return value of arrival time functions, fix word
2020-01-06 11:39:08 -08:00
Eddie Hung
020606f81c
Merge remote-tracking branch 'origin/eddie/abc9_refactor' into xaig_arrival_required
2020-01-06 09:44:00 -08:00
Eddie Hung
19541640ee
Merge remote-tracking branch 'origin/master' into xaig_dff
2020-01-06 09:31:28 -08:00
Miodrag Milanovic
c5d28f5d6b
Valid to have attribute starting with SB_CARRY.
2020-01-04 19:00:44 +01:00
Eddie Hung
bac1e65a9c
Fix spacing
2020-01-02 17:21:54 -08:00
Eddie Hung
c28bea0382
Merge remote-tracking branch 'origin/xaig_dff' into eddie/abc9_refactor
2020-01-02 15:57:35 -08:00
Eddie Hung
5f97086302
Merge remote-tracking branch 'origin/master' into eddie/abc9_refactor
2020-01-02 15:14:12 -08:00
Eddie Hung
50b68777d3
Drive $[ABCD] explicitly
2020-01-02 13:28:37 -08:00
whitequark
f8d5920a7e
Merge pull request #1604 from whitequark/unify-ram-naming
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Harmonize BRAM/LUTRAM descriptions across all of Yosys
2020-01-02 21:06:17 +00:00
Eddie Hung
a051801b72
synth_xilinx -dff to work with abc too
2020-01-02 12:53:26 -08:00
Eddie Hung
3012e9eebc
Merge remote-tracking branch 'origin/master' into eddie/abc9_dsp_refactor
2020-01-02 12:48:07 -08:00
Eddie Hung
b454735bea
Merge remote-tracking branch 'origin/master' into xaig_dff
2020-01-02 12:44:06 -08:00
Eddie Hung
ec1756c094
Update comments
2020-01-02 12:39:52 -08:00
Eddie Hung
8e507bd807
abc9 -keepff -> -dff; refactor dff operations
2020-01-02 12:36:54 -08:00
Eddie Hung
d6242be802
Merge pull request #1601 from YosysHQ/eddie/synth_retime
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"abc -dff" to no longer retime by default
2020-01-02 08:46:24 -08:00
Eddie Hung
d0d3ab8f67
ifndef __ICARUS__ -> ifdef YOSYS
2020-01-01 17:33:47 -08:00
Eddie Hung
3d98a96273
ifdef __ICARUS__ -> ifndef YOSYS
2020-01-01 17:33:10 -08:00
Eddie Hung
db04161eca
Rework abc9's DSP48E1 model
2020-01-01 17:30:26 -08:00
Eddie Hung
3deec51ddc
Fix anlogic async flop mapping
2020-01-01 08:43:16 -08:00
Eddie Hung
0e95756e96
Clamp -46ps for FDPE* too
2020-01-01 08:39:00 -08:00
Eddie Hung
c40b1aae42
Restore abc9 -keepff
2020-01-01 08:34:43 -08:00
whitequark
550310e264
Harmonize BRAM/LUTRAM descriptions across all of Yosys.
...
This commit:
* renames all remaining instances of "DRAM" (which is ambiguous)
to "LUTRAM" (which is not), finishing the work started in
the commit 698ab9be;
* renames memory rule files to brams.txt/lutrams.txt;
* adds/renames script labels map_bram/map_lutram;
* extracts where necessary script labels map_ffram and map_gates;
* adds where necessary options -nobram/-nolutram.
The end result is that BRAM/LUTRAM/FFRAM aspects of every target
are now consistent with each other.
Per architecture:
* anlogic: rename drams.txt→lutrams.txt, add -nolutram, add
:map_lutram, :map_ffram, :map_gates
* ecp5: rename bram.txt→brams.txt, lutram.txt→lutrams.txt
* efinix: rename bram.txt→brams.txt, add -nobram, add :map_ffram,
:map_gates
* gowin: rename bram.txt→brams.txt, dram.txt→lutrams.txt,
rename -nodram→-nolutram (-nodram still recognized), rename
:bram→:map_bram, :dram→:map_lutram, add :map_ffram, :map_gates
2020-01-01 12:30:00 +00:00
Eddie Hung
44d9fb0e7c
Re-arrange FD order
2019-12-31 18:47:38 -08:00
Eddie Hung
f7793a2956
Missing character
2019-12-31 18:42:11 -08:00
Eddie Hung
35c659be74
Cleanup xilinx boxes
2019-12-31 18:29:44 -08:00
Eddie Hung
2358320f51
Cleanup ice40 boxes
2019-12-31 18:29:37 -08:00
Eddie Hung
b2046a2114
Cleanup ecp5 boxes
2019-12-31 18:29:29 -08:00
Eddie Hung
6b825c719b
Update abc9_xc7.box comments
2019-12-31 15:25:46 -08:00
Eddie Hung
4cdba00e25
FDCE ports to be alphabetical
2019-12-31 15:24:02 -08:00
Eddie Hung
b4663a987b
Fix attributes on $__ABC9_ASYNC[01] whitebox
2019-12-31 11:14:11 -08:00
Eddie Hung
789211d9b3
Fix incorrect $__ABC9_ASYNC[01] box
2019-12-31 11:13:50 -08:00
Niklas Nisbeth
379dcda139
ice40: Demote conflicting FF init values to a warning
2019-12-31 02:38:10 +01:00
Eddie Hung
7649ec72c9
Merge remote-tracking branch 'origin/xaig_dff' into eddie/abc9_refactor
2019-12-30 16:20:58 -08:00
Eddie Hung
543bd2de6c
Update timings for Xilinx S7 cells
2019-12-30 14:36:07 -08:00
Eddie Hung
eb4e767053
Do not offset FD* box timings due to -46ps Tsu
2019-12-30 14:35:10 -08:00
Eddie Hung
405e974fe5
Merge remote-tracking branch 'origin/master' into xaig_dff
2019-12-30 14:31:42 -08:00
Eddie Hung
a038294a87
Tidy up abc9_map.v
2019-12-30 14:19:29 -08:00
Eddie Hung
d7ada66497
Add "synth_xilinx -dff" option, cleanup abc9
2019-12-30 14:13:16 -08:00
Eddie Hung
79448f9be0
Update doc that "-retime" calls abc with "-dff -D 1"
2019-12-30 13:28:29 -08:00
Eddie Hung
c9e3b26412
Disable synth_gowin -abc9 as it offers no advantages yet
2019-12-30 13:28:29 -08:00
Eddie Hung
aa6d06c1b5
Revert "Revert "synth_* with -retime option now calls abc with -D 1 as well""
...
This reverts commit 6008bb7002
.
2019-12-30 13:28:29 -08:00
Miodrag Milanović
c0a17c2457
Merge pull request #1589 from YosysHQ/iopad_default
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Make iopad option default for all xilinx flows
2019-12-30 20:34:31 +01:00
Miodrag Milanovic
8c3de1d4bd
Merge remote-tracking branch 'origin/master' into iopad_default
2019-12-28 16:23:31 +01:00
Eddie Hung
71906fab51
Nitpick cleanup for ecp5
2019-12-27 16:57:08 -08:00
Eddie Hung
b7afafde22
Consistency
2019-12-27 14:52:26 -08:00
Eddie Hung
4eaa45091c
Update some abc9_arrival times, add abc9_required times
2019-12-27 14:47:50 -08:00
Marcin Kościelnicki
13a3041030
Merge pull request #1593 from YosysHQ/mwk/dsp48a1-pmgen
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xilinx_dsp: Initial DSP48A/DSP48A1 support.
2019-12-25 16:18:44 +01:00
Marcin Kościelnicki
dadaf7ed78
xilinx: Test our DSP48A/DSP48A1 simulation models.
2019-12-23 20:36:43 +01:00
Marcin Kościelnicki
666c6128a9
xilinx_dsp: Initial DSP48A/DSP48A1 support.
2019-12-22 20:51:14 +01:00
Miodrag Milanovic
436fea9e69
Addressed review comments
2019-12-21 20:23:23 +01:00
Miodrag Milanovic
1937091f62
iopad no op for compatibility with old scripts
2019-12-21 13:21:45 +01:00
Miodrag Milanovic
2fcf683af4
Make iopad option default for all xilinx flows
2019-12-21 11:56:41 +01:00
Eddie Hung
d3fc94405f
Merge remote-tracking branch 'origin/master' into xaig_dff
2019-12-20 14:07:23 -08:00
Eddie Hung
5986a4df40
Add abc9_arrival times for RAM{32,64}M
2019-12-20 14:06:59 -08:00
Eddie Hung
1ea1e8e54f
Merge remote-tracking branch 'origin/master' into xaig_dff
2019-12-20 13:56:13 -08:00
Eddie Hung
7928eb113c
Add RAM{32,64}M to abc9_map.v
2019-12-20 13:41:23 -08:00
Eddie Hung
10e82e103f
Revert "Optimise write_xaiger"
2019-12-20 12:05:45 -08:00
Eddie Hung
45f0f1486b
Add RAM{32,64}M to abc9_map.v
2019-12-19 11:24:39 -08:00
Eddie Hung
979bf36fb0
Split into $__ABC9_ASYNC[01], do not add cell->type to clkdomain_t
2019-12-19 11:23:41 -08:00
Eddie Hung
94f15f023c
Merge remote-tracking branch 'origin/master' into xaig_dff
2019-12-19 10:29:40 -08:00
Eddie Hung
df626ee7ab
Merge pull request #1558 from YosysHQ/eddie/xaiger_cleanup
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Optimise write_xaiger
2019-12-19 12:24:03 -05:00
Marcin Kościelnicki
8b2c9f4518
xilinx: Add simulation models for remaining CLB primitives.
2019-12-19 18:04:04 +01:00
Marcin Kościelnicki
561ae1c5c4
xilinx_dffopt: Keep order of LUT inputs.
...
See rationale at https://github.com/YosysHQ/yosys/pull/1557#discussion_r359196549
2019-12-19 18:01:43 +01:00
David Shah
520f1646cf
Merge pull request #1563 from YosysHQ/dave/async-prld
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ecp5: Add support for mapping PRLD FFs
2019-12-18 19:42:17 +00:00
Marcin Kościelnicki
a235250403
xilinx: Add xilinx_dffopt pass ( #1557 )
2019-12-18 13:43:43 +01:00
Marcin Kościelnicki
aff6ad1ce0
xilinx: Improve flip-flop handling.
...
This adds support for infering more kinds of flip-flops:
- FFs with async set/reset and clock enable
- FFs with sync set/reset
- FFs with sync set/reset and clock enable
Some passes have been moved (and some added) in order for dff2dffs to
work correctly.
This gives us complete coverage of Virtex 6+ and Spartan 6 flip-flop
capabilities (though not latch capabilities). Older FPGAs also support
having both a set and a reset input, which will be handled at a later
data.
2019-12-18 13:43:43 +01:00
Eddie Hung
a73f96594f
Merge pull request #1574 from YosysHQ/eddie/xilinx_lutram
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xilinx: add LUTRAM rules for RAM32M, RAM64M
2019-12-16 21:48:21 -08:00
Eddie Hung
5a00d5578c
Add unconditional match blocks for force RAM
2019-12-16 13:31:15 -08:00
Eddie Hung
d910bec8e0
Update xc7/xcu bram rules
2019-12-16 13:00:58 -08:00
Eddie Hung
5d00996426
Merge branch 'eddie/xilinx_lutram' of github.com:YosysHQ/yosys into eddie/xilinx_lutram
2019-12-16 12:06:47 -08:00
Eddie Hung
7545ab3814
Populate DID/DOD even if unused
2019-12-16 11:57:04 -08:00
Eddie Hung
c4d37813cb
Rename *RAM{32,64}M rules to RAM{32X2,64X1}Q
2019-12-16 10:41:13 -08:00
Diego H
f3f59910eb
Removing fixed attribute value to !ramstyle rules
2019-12-15 23:51:58 -06:00
Diego H
b35559fc33
Merging attribute rules into a single match block; Adding tests
2019-12-15 23:33:09 -06:00
Diego H
266993408a
Refactoring memory attribute matching based on IEEE 1364.1 and Tool specific
2019-12-13 15:43:24 -06:00
Eddie Hung
52875b0d61
Merge pull request #1533 from dh73/bram_xilinx
...
Adjust Xilinx xc7/xcu BRAM min bits threshold for RAMB18E1
2019-12-13 12:01:03 -08:00
Eddie Hung
c3262d6075
Disable RAM16X1D match rule; carry-over from LUT4 arches
2019-12-13 08:59:17 -08:00
Eddie Hung
d6514fc2e1
RAM64M8 to also have [5:0] for address
2019-12-13 08:54:19 -08:00
Eddie Hung
dd7d2d8db6
Duplicate tribuf call, credit to @mwkmwkmwk
2019-12-13 08:51:05 -08:00
Eddie Hung
8925bf4b96
Add RAM32X6SDP and RAM64X3SDP modes
2019-12-12 18:52:28 -08:00
Eddie Hung
50e0c83560
Fix RAM64M model to have 6 bit address bus
2019-12-12 18:52:03 -08:00
Eddie Hung
7a9d1be97d
Add memory rules for RAM16X1D, RAM32M, RAM64M
2019-12-12 17:44:59 -08:00
Diego H
751a18d7e9
Fixing citation in xc7_xcu_brams.txt file. Fixing RAMB36E1 test.
2019-12-12 17:32:58 -06:00
Eddie Hung
bea15b537b
Merge remote-tracking branch 'origin/master' into xaig_dff
2019-12-12 14:57:17 -08:00
Eddie Hung
9ab1feeaf1
abc9_map.v: fix Xilinx LUTRAM
2019-12-12 14:56:52 -08:00
Eddie Hung
3eed8835b5
abc9_map.v: fix Xilinx LUTRAM
2019-12-12 14:56:15 -08:00
Eddie Hung
3bd623bb05
synth_xilinx: error out if tristate without '-iopad'
2019-12-12 14:33:33 -08:00
Diego H
937ec1ee78
Updating RAMB36E1 thresholds. Adding test for both RAMB18E1/RAMB36E1
2019-12-12 13:50:36 -06:00
Diego H
ab6ac8327f
Merge https://github.com/YosysHQ/yosys into bram_xilinx
2019-12-12 13:40:05 -06:00
Eddie Hung
f022645cd2
Fix bitwidth mismatch; suppresses iverilog warning
2019-12-11 13:02:07 -08:00
David Shah
613334d9dc
Merge pull request #1564 from ZirconiumX/intel_housekeeping
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Intel housekeeping
2019-12-11 08:46:10 +00:00
Dan Ravensloft
85a14895ca
synth_intel: a10gx -> arria10gx
2019-12-10 13:48:10 +00:00
Dan Ravensloft
eab3272cde
synth_intel: cyclone10 -> cyclone10lp
2019-12-10 13:47:58 +00:00
Eddie Hung
7e5602ad17
Merge pull request #1545 from YosysHQ/eddie/ice40_wrapcarry_attr
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Preserve SB_CARRY name and attributes when using $__ICE40_CARRY_WRAPPER
2019-12-09 17:38:48 -08:00
Eddie Hung
49c2e59b2a
Fix comment
2019-12-09 15:44:19 -08:00
Eddie Hung
fb203d2a2c
ice40_opt to restore attributes/name when unwrapping
2019-12-09 14:29:29 -08:00
Eddie Hung
500ed9b501
Sensitive to direct inst of $__ICE40_CARRY_WRAPPER; recreate SB_LUT4
2019-12-09 12:45:22 -08:00
Eddie Hung
e05372778a
ice40_wrapcarry to really preserve attributes via -unwrap option
2019-12-09 11:48:28 -08:00
David Shah
184c0e796a
ecp5: Add support for mapping PRLD FFs
...
Signed-off-by: David Shah <dave@ds0.me>
2019-12-07 13:04:36 +00:00
Eddie Hung
a46a7e8a67
Merge remote-tracking branch 'origin/master' into xaig_dff
2019-12-06 23:22:52 -08:00
Eddie Hung
98c9ea605b
techmap/aigmap of whiteboxes to occur before abc9 instead of in write_xaiger
2019-12-06 17:05:02 -08:00
Eddie Hung
c767525441
Remove creation of $abc9_control_wire
2019-12-06 16:23:09 -08:00
Eddie Hung
ec0acc9f85
abc9 to use mergeability class to differentiate sync/async
2019-12-06 00:12:37 -08:00
Eddie Hung
02786b0aa0
Remove clkpart
2019-12-05 17:25:26 -08:00
Eddie Hung
864bff14f1
Revert "Special abc9_clock wire to contain only clock signal"
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This reverts commit 6a2eb5d8f9
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2019-12-05 11:11:53 -08:00
Eddie Hung
0d248dd7ba
Missing wire declaration
2019-12-04 23:04:40 -08:00
Eddie Hung
19bc429482
abc9_map.v to transform INIT=1 to INIT=0
2019-12-04 21:36:41 -08:00
Eddie Hung
258a34e6f1
Oh deary me
2019-12-04 20:33:24 -08:00
Eddie Hung
b43986c5a1
output reg Q -> output Q to suppress warning
2019-12-04 16:34:34 -08:00
Eddie Hung
31ef4cc704
abc9_map.v to do `zinit' and make INIT = 1'b0
2019-12-04 16:11:02 -08:00
Marcin Kościelnicki
fcce94010f
xilinx: Add tristate buffer mapping. ( #1528 )
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Fixes #1225 .
2019-12-04 09:44:00 +01:00
Marcin Kościelnicki
10014e2643
xilinx: Add models for LUTRAM cells. ( #1537 )
2019-12-04 06:31:09 +01:00
Eddie Hung
a181ff66d3
Add abc9_init wire, attach to abc9_flop cell
2019-12-03 18:47:09 -08:00
Eddie Hung
f98aa1c13f
Revert "Add INIT value to abc9_control"
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This reverts commit 19bfb41958
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2019-12-03 15:40:44 -08:00
Eddie Hung
ed3f359175
$__ICE40_CARRY_WRAPPER to use _TECHMAP_REPLACE_ for SB_CARRY to preserve
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name and attr
2019-12-03 14:49:10 -08:00
Eddie Hung
1ea9ce0ad7
ice40_opt to ignore (* keep *) -ed cells
2019-12-03 14:48:39 -08:00
Eddie Hung
0add5965c7
techmap abc_unmap.v before xilinx_srl -fixed
2019-12-03 14:27:45 -08:00
Clifford Wolf
2ec6d832dc
Merge pull request #1524 from pepijndevos/gowindffinit
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Gowin: add and test DFF init values
2019-12-03 08:43:18 -08:00