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* gatemate: Add LUT tree library scriptgatecat2022-06-276-6/+591
| | | | | Co-authored-by: Claire Xenia Wolf <claire@clairexen.net> Signed-off-by: gatecat <gatecat@ds0.me>
* gatemate: Add preliminary sim models for LUT tree structuresgatecat2022-06-271-0/+44
| | | | Signed-off-by: gatecat <gatecat@ds0.me>
* Add -no-rw-check option to memory_dff + memory + synth_{ice40,ecp5,gowin}.Marcelina Kościelnicka2022-06-024-7/+64
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* gatemate: Fix minor issues with `memory_libmap` (#3343)Patrick Urban2022-05-272-28/+39
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* gatemate: Use `memory_libmap` pass.Marcelina Kościelnicka2022-05-183-781/+927
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* machxo2: Use `memory_libmap` pass.Marcelina Kościelnicka2022-05-187-1/+578
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* efinix: Use `memory_libmap` pass.Marcelina Kościelnicka2022-05-183-90/+163
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* anlogic: Use `memory_libmap` pass.Marcelina Kościelnicka2022-05-189-303/+585
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* ice40: Use `memory_libmap` pass.Marcelina Kościelnicka2022-05-188-458/+293
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* xilinx: Use `memory_libmap` pass.Marcelina Kościelnicka2022-05-1837-2269/+4525
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* gowin: Use `memory_libmap` pass.Marcelina Kościelnicka2022-05-189-266/+576
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* nexus: Use `memory_libmap` pass.Marcelina Kościelnicka2022-05-1810-517/+677
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* ecp5: Use `memory_libmap` pass.Marcelina Kościelnicka2022-05-189-466/+584
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* Add missing parameters for ecp5Rick Luiken2022-04-252-1/+2
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* gowin: Add oscillator primitivesTim Pambor2022-03-281-0/+34
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* xilinx: Add RAMB4* blackboxesMarcelina Kościelnicka2022-03-212-1/+695
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* gowin: add support for Double Data Rate primitivesYRabbit2022-03-141-0/+25
| | | | Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
* intel_alm: M10K write-enable is negative-trueLofty2022-03-096-7/+28
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* gowin: Remove unnecessary attributesYRabbit2022-02-241-5/+0
| | | | Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
* gowin: Add support for true differential outputYRabbit2022-02-241-0/+11
| | | | Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
* ecp5: Do not use specify in generate in cells_sim.v.Marcelina Kościelnicka2022-02-211-28/+15
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* gowin: Add remaining block RAM blackboxes.Marcelina Kościelnicka2022-02-121-72/+527
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* gowin: Fix LUT RAM inference, add more models.Marcelina Kościelnicka2022-02-092-41/+241
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* ecp5: Fix DPR16X4 sim model.Marcelina Kościelnicka2022-02-091-1/+1
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* nexus: Fix arith_map CO signal.Marcelina Kościelnicka2022-02-061-1/+1
| | | | Fixes #3187.
* Fix the help message of synth_quicklogic.Xing GUO2022-01-311-2/+2
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* Add $bmux and $demux cells.Marcelina Kościelnicka2022-01-282-24/+87
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* nexus: Fix BB sim modelgatecat2022-01-191-2/+2
| | | | Signed-off-by: gatecat <gatecat@ds0.me>
* Removed dbits 8 since 9 will always be pickedMiodrag Milanovic2022-01-191-2/+0
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* Merge pull request #3120 from Icenowy/anlogic-bramMiodrag Milanović2022-01-196-1/+269
|\ | | | | anlogic: support BRAM mapping
| * anlogic: support BRAM mappingIcenowy Zheng2021-12-176-1/+269
| | | | | | | | | | | | | | | | | | | | | | Anlogic FPGAs all have two kinds of BRAMs, one is 9bit*1K when being true dual port (or 18bit*512 when simple dual port), the other is 16bit*2K. Supports mapping of these two kinds of BRAMs. 9Kbit BRAM in SDP mode and 32Kbit BRAM with 8bit width are not support yet. Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
* | intel_alm: disable 256x40 M10K modeLofty2021-12-221-9/+3
|/ | | | | This BRAM mode uses both address ports, making it effectively single-port. Since memory_bram can't presently map to single-port memories, remove it.
* intel_alm: preliminary Arria V supportLofty2021-11-256-7/+199
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* synth_gatemate Revert cascade A/B port mixupPatrick Urban2021-11-132-12/+4
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* synth_gatemate: Remove iob_map invokationPatrick Urban2021-11-131-1/+0
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* synth_gatemate: Add block RAM cascade supportPatrick Urban2021-11-132-112/+96
| | | | | * add simulation model for block RAM cascade in 40K mode * limit 20K_SDP and 40K_SDP to 40 and 80 bits (the only useful configurations)
* synth_gatemate: Remove obsolete iob_mapPatrick Urban2021-11-133-61/+2
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* synth_gatemate: Update passPatrick Urban2021-11-131-65/+25
| | | | | | * remove `write_edif` and `write_blif` options * remove redundant `abc` call before muxcover * update style
* synth_gatemate: Remove specify blocksPatrick Urban2021-11-131-92/+0
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* synth_gatemate: Remove gatemate_bramopt passPatrick Urban2021-11-133-148/+0
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* synth_gatemate: Revise block RAM read modes and initializationPatrick Urban2021-11-133-71/+230
| | | | | | | | * enable mixed read-width / write-width ports in SDP mode * fix NO_CHANGE and WRITE_THROUGH behavior during read access * remove redundant zero-initialization * set A/B_WE bit during map (gatemate_bramopt pass could be removed later) * differentiate "upper" and "lower" initialization for cascade mode
* synth_gatemate: Remove unsupported FF initializationPatrick Urban2021-11-131-2/+0
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* synth_gatemate: Rename multiplier factor parametersPatrick Urban2021-11-131-13/+10
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* synth_gatemate: Registers are uninitializedPatrick Urban2021-11-132-3/+3
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* synth_gatemate: Apply review remarksPatrick Urban2021-11-135-279/+211
| | | | | | | | * remove unused techmap models in `map_regs.v` * replace RAM initilization loops with 320-bit-writes * add script to test targets in top-level Makefile * remove `MAXWIDTH` parameter and treat both vector widths individually in `mult_map.v` * iterate over all modules in `gatemate_bramopt` pass
* synth_gatemate: Apply review remarksPatrick Urban2021-11-135-141/+86
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* synth_gatemate: Initial implementationPatrick Urban2021-11-1315-0/+3716
| | | | Signed-off-by: Patrick Urban <patrick.urban@web.de>
* iopadmap: Add native support for negative-polarity output enable.Marcelina Kościelnicka2021-11-099-33/+10
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* synth_gowin: move splitnets to after iopadmap (#2435)Pepijn de Vos2021-11-071-2/+3
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* Remove noalu from synth_gowin json output as Apicula now supports itPepijn de Vos2021-11-071-1/+0
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