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* generic: Add a few more bindingsDavid Shah2019-04-021-0/+5
| | | | Signed-off-by: David Shah <dave@ds0.me>
* generic: Adding API usage documentationDavid Shah2019-04-021-0/+99
| | | | Signed-off-by: David Shah <dave@ds0.me>
* generic: Simple working exampleDavid Shah2019-04-0211-26/+66
| | | | Signed-off-by: David Shah <dave@ds0.me>
* generic: Simple procedural example worksDavid Shah2019-04-024-7/+87
| | | | Signed-off-by: David Shah <dave@ds0.me>
* generic: Add a simple packer for generic SLICEs and IOBsDavid Shah2019-04-027-6/+597
| | | | Signed-off-by: David Shah <dave@ds0.me>
* generic: Add synth_generic.tclDavid Shah2019-04-023-3/+34
| | | | Signed-off-by: David Shah <dave@ds0.me>
* generic: Add simple primitive libraryDavid Shah2019-04-022-0/+71
| | | | Signed-off-by: David Shah <dave@ds0.me>
* generic: Place a single SLICEDavid Shah2019-04-024-34/+29
| | | | Signed-off-by: David Shah <dave@ds0.me>
* generic: Python bindings for arch constructionDavid Shah2019-04-021-0/+56
| | | | Signed-off-by: David Shah <dave@ds0.me>
* python: Named argument supportDavid Shah2019-04-023-0/+32
| | | | Signed-off-by: David Shah <dave@ds0.me>
* python: Infrastructure for generic arch Python APIDavid Shah2019-04-023-0/+170
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Merge pull request #260 from xobs/windows-eigen-docsDavid Shah2019-04-021-2/+10
|\ | | | | README: update windows build instructions for eigen, python
| * README: update windows build instructions for eigen, pythonSean Cross2019-04-021-2/+10
|/ | | | | | | | | | | | | The recent addition of "eigen3" to nextpnr necessitates the addition of "eigen" to the list of vcpkg packages to be installed on Windows. Add the 32- and 64-bit versions of eigen to the command issued to install various dependencies. Also document one possible build command, and note about unpacking python36.zip. Signed-off-by: Sean Cross <sean@xobs.io>
* ice40: Don't constrain to a PLL bel that has already been usedDavid Shah2019-04-012-0/+2
| | | | | | Fixes #258 Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Don't call Eigen if system is emptyDavid Shah2019-04-012-1/+2
| | | | | | Fixes #259 Signed-off-by: David Shah <dave@ds0.me>
* Merge pull request #255 from smunaut/i2c_spiDavid Shah2019-03-265-1/+112
|\ | | | | ice40: Add support for SB_I2C and SB_SPI
| * ice40: Add support for SB_I2C and SB_SPISylvain Munaut2019-03-255-1/+112
|/ | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* Merge pull request #257 from whitequark/patch-1David Shah2019-03-251-1/+1
|\ | | | | Fix broken header guard
| * Fix broken header guardwhitequark2019-03-251-1/+1
|/
* Merge pull request #219 from daveshah1/placer_heapDavid Shah2019-03-2541-215/+2565
|\ | | | | HeAP-based analytical placer
| * HeAP: Make log output more consistentDavid Shah2019-03-252-5/+9
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: Add missing newlineDavid Shah2019-03-251-1/+1
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * placer1: Restore old weighting in budget-based modeDavid Shah2019-03-241-1/+1
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: Per-iteration output all on one lineDavid Shah2019-03-241-7/+5
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * Add --placer option and refactor placer selectionDavid Shah2019-03-2411-30/+106
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * placer1: Fix regression moving chained cells pre-legaliseDavid Shah2019-03-231-2/+3
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * Bump tests to include WAIVEDavid Shah2019-03-231-0/+0
| |
| * Update README.mdDavid Shah2019-03-221-3/+7
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * clangformatDavid Shah2019-03-224-21/+23
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * placer1: Only get criticalities when in timing-driven modeDavid Shah2019-03-221-1/+1
| | | | | | | | 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>
| * common: Add early return path to getNetinfoRouteDelay for fully unrouted netsDavid Shah2019-03-221-0/+3
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: Add PlacerHeapCfgDavid Shah2019-03-225-12/+45
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: Make HeAP placer optionalDavid Shah2019-03-226-15/+71
| | | | | | | | | | | | | | | | | | | | | | | | | | 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: Switching from TAUCS to EigenDavid Shah2019-03-225-129/+35
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * HeAP: Fix regressionDavid Shah2019-03-221-0/+2
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * HeAP: Fix occupancy countDavid Shah2019-03-221-2/+3
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * HeAP: Legaliser fixesDavid Shah2019-03-221-2/+2
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: Avoid getting stuck in legaliser ripupDavid Shah2019-03-221-3/+26
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: Chain supportDavid Shah2019-03-222-8/+103
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ci: Add OpenBLAS to DockerfileDavid Shah2019-03-221-1/+1
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: tidying upDavid Shah2019-03-223-116/+86
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: Make strict legalisation wirelength driven where neededDavid Shah2019-03-221-6/+62
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: Use for ECP5 as well as iCE40David Shah2019-03-222-16/+22
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: Implement 'all+rotate' HeAP strategyDavid Shah2019-03-223-30/+56
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: Weight arcs by criticality for timing-driven placementDavid Shah2019-03-221-6/+18
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: Add multithreadingDavid Shah2019-03-221-27/+24
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: fine tuningDavid Shah2019-03-221-28/+100
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: Add performance countersDavid Shah2019-03-221-3/+27
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * HeAP: Add SA-based iterative refinement after APDavid Shah2019-03-223-87/+143
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
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