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* ecp5: Improve handling of constant CCU2C inputsDavid Shah2018-10-011-9/+65
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Fix carry feed outDavid Shah2018-09-301-1/+1
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Improve mixed no-FF/FF placementDavid Shah2018-09-304-30/+45
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Carry packing fixesDavid Shah2018-09-301-13/+18
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Relative placement and bitstream gen for carriesDavid Shah2018-09-303-2/+37
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: First stages of carry packingDavid Shah2018-09-301-3/+63
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Add ccu2c_to_sliceDavid Shah2018-09-303-12/+41
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Support code for carry chain handlingDavid Shah2018-09-302-16/+118
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* Refactor chain finder to its own fileDavid Shah2018-09-301-21/+19
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Adding carry helper functionsDavid Shah2018-09-301-1/+85
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Use ArchNetInfo to mark global nets to ignoreDavid Shah2018-09-292-0/+3
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* clangformatDavid Shah2018-09-293-24/+19
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Fix global buffer connectivity and timingDavid Shah2018-09-292-0/+14
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Fix handling of global to fabric connectionsDavid Shah2018-09-291-3/+20
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Remove excessive debugging from global promoterDavid Shah2018-09-291-9/+1
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Global router produces a working bitstreamDavid Shah2018-09-292-0/+4
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Fixing global to global user routingDavid Shah2018-09-291-6/+13
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Fixing global router bugsDavid Shah2018-09-291-3/+14
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Integrate global router and debug namingDavid Shah2018-09-292-3/+9
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Adding main global promoter/router functionDavid Shah2018-09-292-21/+81
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Fix globals.cc following API updateDavid Shah2018-09-291-1/+1
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Add SPINE routing to global routerDavid Shah2018-09-291-1/+17
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Import SPINE data to databaseDavid Shah2018-09-292-1/+10
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Adding DCCA insertion functionDavid Shah2018-09-292-0/+33
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Add DCC Bels, fix global router post-rebaseDavid Shah2018-09-293-7/+12
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Working on global routerDavid Shah2018-09-291-0/+88
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Global routing algorithm up to TAPsDavid Shah2018-09-291-10/+75
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Clock usage counter functionDavid Shah2018-09-291-1/+34
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Helper function and arch tweaks for global routerDavid Shah2018-09-293-0/+81
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: clangformatDavid Shah2018-08-191-27/+19
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Fix delay heuristicDavid Shah2018-08-191-2/+2
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Add cell delaysDavid Shah2018-08-191-11/+131
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Add crude approximation of Pip delaysDavid Shah2018-08-192-3/+45
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* Merge pull request #54 from daveshah1/ecp5_speedupDavid Shah2018-08-195-29/+63
|\ | | | | ecp5: Improving placement speed
| * ecp5: Flatten bel_to_cell for performanceDavid Shah2018-08-182-23/+21
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Speed up Bel availability/binding checksDavid Shah2018-08-181-5/+11
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Speedup placement using ArchCellInfoDavid Shah2018-08-184-12/+42
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
* | Merge pull request #47 from YosysHQ/settings_propagateClifford Wolf2018-08-181-6/+2
|\ \ | | | | | | Use settings for placer1 and router1
| * | Use settings for placer1 and router1Miodrag Milanovic2018-08-091-6/+2
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* | | Merge branch 'master' of github.com:YosysHQ/nextpnr into archattrClifford Wolf2018-08-181-2/+2
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| * | ecp5: Speedup router with slightly better estimatesDavid Shah2018-08-181-2/+2
| |/ | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
* / Add Arch attrs APIClifford Wolf2018-08-141-0/+18
|/ | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Merge pull request #42 from YosysHQ/floorplanDavid Shah2018-08-091-1/+11
|\ | | | | Add basic data structures for floorplanning
| * ecp5: Implement getPipLocation and related APIDavid Shah2018-08-091-1/+11
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
* | Use settings for json and pcfMiodrag Milanovic2018-08-081-1/+1
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* Merge branch 'master' of github.com:YosysHQ/nextpnr into constidsClifford Wolf2018-08-084-177/+124
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| * Merge pull request #44 from YosysHQ/improve_timing_specDavid Shah2018-08-082-8/+6
| |\ | | | | | | Speed up budget allocator using topographical ordering and update cell timing API
| | * Arch API: Removing Arch::isIOCellDavid Shah2018-08-082-4/+0
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| | * Arch API: New specification for timing port classesDavid Shah2018-08-082-7/+6
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| | * clangformatEddie Hung2018-08-061-6/+1
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