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* ecp5: Delay tweaking for lower speed gradesDavid Shah2019-06-212-3/+5
* ecp5: Reduce cfg.criticalityExponent for nowDavid Shah2019-06-211-1/+1
* ecp5: Improve error message for bad chars in BRAM init stringsDavid Shah2019-06-081-7/+12
* Use cmake's find_library to search for pytrellis.Tobias Müller2019-05-111-28/+28
* ecp5: Fix USRMCLK primitiveDavid Shah2019-05-101-0/+14
* Add --placer option and refactor placer selectionDavid Shah2019-03-243-15/+24
* clangformatDavid Shah2019-03-221-12/+15
* ecp5: Speedup cell delay lookupsDavid Shah2019-03-222-1/+30
* HeAP: Add PlacerHeapCfgDavid Shah2019-03-221-2/+5
* HeAP: Make HeAP placer optionalDavid Shah2019-03-222-2/+25
* HeAP: tidying upDavid Shah2019-03-221-1/+1
* HeAP: Use for ECP5 as well as iCE40David Shah2019-03-221-7/+2
* HeAP: Add TAUCS wrapper and integrationDavid Shah2019-03-221-1/+1
* Add Python helper functions for floorplanningDavid Shah2019-03-221-0/+7
* Merge pull request #243 from YosysHQ/ecp5lpfDavid Shah2019-02-282-24/+59
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| * ecp5: Fix handling of CRLFs and uppercase frequency units in LPFDavid Shah2019-02-271-4/+6
| * ecp5: Add an error for mixed constrained/unconstrained IODavid Shah2019-02-251-0/+18
| * ecp5: Improve error handling and warning generation in LPF parserDavid Shah2019-02-252-20/+35
* | ecp5: Increase ripup penaltyDavid Shah2019-02-251-1/+1
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* ecp5: DELAY fixesDavid Shah2019-02-252-16/+11
* ecp5: Improve packing densityDavid Shah2019-02-252-1/+59
* ecp5: Add criticality-based LUT permutationDavid Shah2019-02-254-1/+88
* ecp5: Delay tuningDavid Shah2019-02-252-19/+32
* ecp5: Fix global clock routing with multiclock DPRAMDavid Shah2019-02-252-10/+18
* ecp5: Router performance improvementsDavid Shah2019-02-253-7/+26
* ecp5: Implement budget overrides for carry chains and SLICE muxesDavid Shah2019-02-251-2/+12
* ecp5: Improve delay modelDavid Shah2019-02-251-3/+4
* ecp5: Speed up timing analysisDavid Shah2019-02-253-4/+8
* ecp5: DELAYF/G fixesDavid Shah2019-02-241-2/+2
* ecp5: Add list of supported primitivesDavid Shah2019-02-241-0/+47
* ecp5: Connect unused DQSBUF inputs to GNDDavid Shah2019-02-241-14/+30
* ecp5: Compute derived constraints iterativelyDavid Shah2019-02-241-52/+79
* ecp5: Add support for 'FREQUENCY NET' and 'FREQUENCY PORT' in lpfDavid Shah2019-02-241-1/+24
* ecp5: Derived constraint support for PLLs, clock dividers and oscillatorsDavid Shah2019-02-242-3/+119
* ecp5: Fixes for litedramDavid Shah2019-02-242-8/+17
* ecp5: Add DIFFRESISTOR supportDavid Shah2019-02-241-0/+2
* ecp5: Add support for referenced inputsDavid Shah2019-02-241-5/+58
* ecp5: Add DELAYF/DELAYG supportDavid Shah2019-02-243-13/+149
* ecp5: Add TERMINATION supportDavid Shah2019-02-241-0/+16
* ecp5: Add DDRDLLA supportDavid Shah2019-02-242-0/+42
* ecp5: Add ECLKSYNCB supportDavid Shah2019-02-243-2/+34
* ecp5: Add TSHX2DQSA supportDavid Shah2019-02-241-4/+5
* ecp5: Add TSHX2DQA supportDavid Shah2019-02-241-1/+30
* ecp5: Add IDDRX2DQA supportDavid Shah2019-02-241-0/+30
* ecp5: Add ODDRX2DQSB suppportDavid Shah2019-02-241-4/+4
* ecp5: Add ODDRX2DQA supportDavid Shah2019-02-241-3/+36
* ecp5: Helper functions and bitstream for DQSDavid Shah2019-02-242-0/+63
* ecp5: Constraint checker and placer for DQSBUFMDavid Shah2019-02-241-1/+57
* ecp5: Add OSHX2A supportDavid Shah2019-02-241-0/+26
* ecp5: Add IDDRX2F supportDavid Shah2019-02-241-2/+25
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