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* | ecp5: Move clock constraints across IO and DCCADavid Shah2019-09-131-0/+9
|/ | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: use $PYTHON_EXECUTABLE for python pathSean Cross2019-09-091-2/+2
| | | | | | | | Sometimes the python executable might have a different name. Cmake sets the $PYTHON_EXECUTABLE variable to point to the binary path, so use this variable. Signed-off-by: Sean Cross <sean@xobs.io>
* ecp5: Add support for clock gating with DCCADavid Shah2019-08-312-39/+87
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Add full part name to bitstream headerDavid Shah2019-08-273-0/+23
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Add GSR/SGSR supportDavid Shah2019-08-274-3/+22
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Rename clock restriction attribute to "noglobal"Arnaud Durand2019-08-241-2/+2
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* Restrict clock promotion to globalArnaud Durand2019-08-221-0/+3
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* Merge pull request #309 from YosysHQ/dsptimingDavid Shah2019-08-092-2/+25
|\ | | | | ecp5: Conservative analysis of comb DSP timing
| * ecp5: Conservative analysis of comb DSP timingDavid Shah2019-07-082-2/+25
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | Add deprecation warning for default packagesDavid Shah2019-08-081-1/+4
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | ecp5: Fix handling of missing ports in LUT permutationDavid Shah2019-08-081-0/+4
| | | | | | | | | | | | Fixes #310 Signed-off-by: David Shah <dave@ds0.me>
* | clangfromatDavid Shah2019-08-071-2/+5
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | ecp5: Add --out-of-context for building hard macrosDavid Shah2019-08-077-12/+36
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | ecp5: Add a check for legacy parameter valuesDavid Shah2019-08-061-0/+12
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | ecp5: New Property interfaceDavid Shah2019-08-058-444/+549
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | Major Property improvements for common and iCE40David Shah2019-08-051-6/+6
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | ecp5: Fix missing LUT inputs, fixes #301David Shah2019-07-101-0/+4
|/ | | | Signed-off-by: David Shah <dave@ds0.me>
* Merge pull request #284 from YosysHQ/json_writeDavid Shah2019-07-036-85/+119
|\ | | | | Initial support for writing to json files from nextpnr.
| * clangformat runMiodrag Milanovic2019-06-251-16/+20
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| * Merge masterMiodrag Milanovic2019-06-253-11/+18
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| * | default for 5G is speed 8Miodrag Milanovic2019-06-211-1/+5
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| * | enable lading of jsons and setting up contextMiodrag Milanovic2019-06-141-0/+1
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| * | Use flags for each stepMiodrag Milanovic2019-06-142-3/+3
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| * | restore arch info for ecp5Miodrag Milanovic2019-06-141-24/+91
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| * | Load properties from json and propagate to context createMiodrag Milanovic2019-06-131-2/+2
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| * | Save settings that we saved in projectMiodrag Milanovic2019-06-131-0/+2
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| * | Remove concept of project and code connectedMiodrag Milanovic2019-06-131-55/+0
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| * | Use properties for settings and save in jsonMiodrag Milanovic2019-06-121-1/+1
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| * | Save top level attrs and store current stepMiodrag Milanovic2019-06-072-0/+3
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| * | CleanupMiodrag Milanovic2019-06-072-13/+0
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| * | No need for this oneMiodrag Milanovic2019-06-071-4/+0
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| * | ecp5: Use an attribute to store is_globalDavid Shah2019-06-073-4/+9
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | WIP saving/loading attributesMiodrag Milanovic2019-06-073-0/+20
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| * | Added support for attributes/properties typesMiodrag Milanovic2019-06-011-1/+1
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* | | CMake: serialize chipdb generation by default.whitequark2019-06-261-2/+10
| | | | | | | | | | | | Fixes #296.
* | | CMake: formatting. NFC.whitequark2019-06-261-4/+4
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* | ecp5: Delay tweaking for lower speed gradesDavid Shah2019-06-212-3/+5
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | ecp5: Reduce cfg.criticalityExponent for nowDavid Shah2019-06-211-1/+1
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | ecp5: Improve error message for bad chars in BRAM init stringsDavid Shah2019-06-081-7/+12
|/ | | | Signed-off-by: David Shah <dave@ds0.me>
* Use cmake's find_library to search for pytrellis.Tobias Müller2019-05-111-28/+28
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* ecp5: Fix USRMCLK primitiveDavid Shah2019-05-101-0/+14
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Add --placer option and refactor placer selectionDavid Shah2019-03-243-15/+24
| | | | Signed-off-by: David Shah <dave@ds0.me>
* clangformatDavid Shah2019-03-221-12/+15
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Speedup cell delay lookupsDavid Shah2019-03-222-1/+30
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Add PlacerHeapCfgDavid Shah2019-03-221-2/+5
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Make HeAP placer optionalDavid Shah2019-03-222-2/+25
| | | | | | | | | | | | | A CMake option 'BUILD_HEAP' (default on) configures building of the HeAP placer and the associated Eigen3 dependency. Default for the iCE40 is SA placer, with --heap-placer to use HeAP Default for the ECP5 is HeAP placer, as SA placer can take 1hr+ for large ECP5 designs and HeAP tends to give better QoR. --sa-placer can be used to use SA instead, and auto-fallback to SA if HeAP not built. Signed-off-by: David Shah <dave@ds0.me>
* HeAP: tidying upDavid Shah2019-03-221-1/+1
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Use for ECP5 as well as iCE40David Shah2019-03-221-7/+2
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Add TAUCS wrapper and integrationDavid Shah2019-03-221-1/+1
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Add Python helper functions for floorplanningDavid Shah2019-03-221-0/+7
| | | | Signed-off-by: David Shah <dave@ds0.me>
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