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* Update docs/archapi.mdgatecat2021-02-171-2/+2
| | | | Signed-off-by: gatecat <gatecat@ds0.me>
* Remove isValidBelForCellgatecat2021-02-162-13/+5
| | | | | | | | | | | | | | | | | This Arch API dates from when we were first working out how to implement placement validity checking, and in practice is little used by the core parts of placer1/HeAP and the Arch implementation involves a lot of duplication with isBelLocationValid. In the short term; placement validity checking is better served by the combination of checkBelAvail and isValidBelForCellType before placement; followed by isBelLocationValid after placement (potentially after moving/swapping multiple cells). Longer term, removing this API makes things a bit cleaner for a new validity checking API. Signed-off-by: gatecat <gatecat@ds0.me>
* generic: Update docsgatecat2021-02-151-2/+10
| | | | Signed-off-by: gatecat <gatecat@ds0.me>
* Merge pull request #575 from YosysHQ/gatecat/belpin-2gatecat2021-02-151-0/+7
|\ | | | | Support for cell pin to bel pin mappings
| * Add getBelPinsForCellPin to Arch APIgatecat2021-02-101-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | This is a basic implementation, without considering "M of N" arrangements (e.g. for LUT permuation where you only want to route to 1 out of 4/6 sinks) or using a type other than IdString to identify bel pins. But this is also enough to start working out where in nextpnr will break due to removing the 1:1 cell:bel pin cardinality, as a next step. Signed-off-by: gatecat <gatecat@ds0.me>
* | Merge pull request #579 from litghost/add_control_for_split_iogatecat2021-02-121-0/+1
|\ \ | | | | | | Add control to whether GenericFrontend splits IO ports.
| * | Update docs.Keith Rothman2021-02-121-0/+1
| |/ | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* | Make BaseArch getDecalGraphics return an empty rangegatecat2021-02-121-1/+1
| | | | | | | | | | | | | | Fix assertion failure when opening the GUI on an arch without any decals. Signed-off-by: gatecat <gatecat@ds0.me>
* | Add getBelHidden and add some missing "override" statements.Keith Rothman2021-02-111-0/+6
|/ | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* Add BaseArchRanges for default ArchRanges typesgatecat2021-02-091-1/+1
| | | | Signed-off-by: gatecat <gatecat@ds0.me>
* Update docs with API changesD. Shah2021-02-081-21/+160
| | | | Signed-off-by: D. Shah <dave@ds0.me>
* Add archArgs and archArgsToId to Arch APID. Shah2021-02-051-1/+9
| | | | Signed-off-by: D. Shah <dave@ds0.me>
* Update coding.mdD. Shah2021-02-031-0/+2
| | | | Signed-off-by: D. Shah <dave@ds0.me>
* docs: Update archapi.md with IdStringListD. Shah2021-02-021-12/+12
| | | | Signed-off-by: D. Shah <dave@ds0.me>
* arch: Add getNameDelimiter API for string listsD. Shah2021-02-021-1/+4
| | | | Signed-off-by: D. Shah <dave@ds0.me>
* Make BELs/PIPs lowercase as bels/pips per review comment.Keith Rothman2021-02-023-36/+36
| | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* Update documentation.Keith Rothman2021-02-023-32/+77
| | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* Implement partitioning in placer_heap.Keith Rothman2021-02-021-1/+1
| | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* Add archcheck for partition methods.Keith Rothman2021-02-021-3/+20
| | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* Make some partition names consistent.Keith Rothman2021-02-021-3/+3
| | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* Initial refactoring of placer API.Keith Rothman2021-02-021-4/+39
| | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* cleanup: Spelling fixesD. Shah2021-01-283-7/+7
| | | | Signed-off-by: D. Shah <dave@ds0.me>
* nexus: Update docs and CMakeDavid Shah2020-11-301-0/+20
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Update netlist.mdWilliam D. Jones2020-11-241-1/+1
| | | Add information about how top-level ports and connected nets differ from other ports and nets.
* Remove wire alias APIDavid Shah2020-10-152-14/+1
| | | | | | It has not actually been implemented in any router for over 2.5 years and causes nothing more than confusion. It can always be added back if it forms part of a future solution; possibly as part of a more general database structure rethink. Signed-off-by: David Shah <dave@ds0.me>
* docs: Tidy upDavid Shah2020-10-011-2/+2
| | | | Signed-off-by: David Shah <dave@ds0.me>
* update doc - UNTESTED on real hardwarekittennbfive2020-09-281-2/+9
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* Allow selection of router algorithmDavid Shah2020-02-031-1/+11
| | | | Signed-off-by: David Shah <dave@ds0.me>
* docs: Document getRouteBoundingBoxDavid Shah2020-02-031-0/+7
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Document hierarchy structuresDavid Shah2019-12-271-1/+15
| | | | Signed-off-by: David Shah <dave@ds0.me>
* First pass at data structures for hierarchyDavid Shah2019-12-271-0/+2
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Update generic arch docsDavid Shah2019-11-261-3/+5
| | | | Signed-off-by: David Shah <dave@ds0.me>
* General documentation updatesDavid Shah2019-11-261-19/+11
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ECP5 support is no longer experimentalDavid Shah2019-11-261-2/+1
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ice40: Add set_frequency pcf command; and document pcfDavid Shah2019-10-131-0/+17
| | | | Signed-off-by: David Shah <dave@ds0.me>
* docs: Improvements to coding notesDavid Shah2019-10-031-0/+30
| | | | Signed-off-by: David Shah <dave@ds0.me>
* docs: Working on coding tipsDavid Shah2019-09-291-0/+37
| | | | Signed-off-by: David Shah <dave@ds0.me>
* docs: More netlist documentationDavid Shah2019-09-291-0/+31
| | | | Signed-off-by: David Shah <dave@ds0.me>
* docs: Add docs for CellInfo and NetInfoDavid Shah2019-09-291-0/+42
| | | | Signed-off-by: David Shah <dave@ds0.me>
* docs: Add Python API documentationDavid Shah2019-09-191-0/+87
| | | | Signed-off-by: David Shah <dave@ds0.me>
* docs: Fix typoDavid Shah2019-07-221-1/+1
| | | | Signed-off-by: David Shah <dave@ds0.me>
* generic: Cell timing supportDavid Shah2019-04-041-0/+20
| | | | 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>
* Add --placer option and refactor placer selectionDavid Shah2019-03-241-0/+11
| | | | Signed-off-by: David Shah <dave@ds0.me>
* docs/constraints: Fix typoBen Gamari2018-11-221-1/+1
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* docs: Add documentation on constraints supportDavid Shah2018-11-151-0/+37
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Merge remote-tracking branch 'origin/master' into timingapiEddie Hung2018-11-132-15/+108
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| * Minor router1 debug log improvementsClifford Wolf2018-11-131-1/+2
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * Add some architecture API FAQ itemsClifford Wolf2018-11-131-1/+87
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * Various router1 fixes, Add BelId/WireId/PipId::operator<()Clifford Wolf2018-11-131-3/+3
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
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