caiyu/nextpnr
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161 Commits

Author SHA1 Message Date
D. Shah
6575bfac3e gowin: Switch to BaseArch 
Signed-off-by: D. Shah <dave@ds0.me>
 2021-02-05 19:19:17 +00:00
Keith Rothman
c99fbde0eb Mark IdString and IdStringList single argument constructors explicit. 
Single argument constructors will silently convert to that type.  This
is typically not the right thing to do.  For example, the nexus and
ice40 arch_pybindings.h files were incorrectly parsing bel name strings,
etc.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-04 16:38:07 -08:00
D. Shah
2a9584ea31 gowin: Stub implementation of IdStringList 
Signed-off-by: D. Shah <dave@ds0.me>
 2021-02-02 17:00:33 +00:00
D. Shah
ff92d19fed arch: Add getNameDelimiter API for string lists 
Signed-off-by: D. Shah <dave@ds0.me>
 2021-02-02 16:59:40 +00:00
Keith Rothman
da74a425d2 Run "make clangformat". 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-02 07:44:49 -08:00
Keith Rothman
9fe546f279 Rename Partition -> BelBucket. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-02 07:34:56 -08:00
Keith Rothman
0338368afa Add Partition APIs to ice40, nexus, gowin archs. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-02 07:34:56 -08:00
Keith Rothman
2285c8dbbd Initial refactoring of placer API. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-02 07:34:56 -08:00
Pepijn de Vos
2700687c00 Gowin: Add GW1N-4 support 2021-01-03 19:45:00 +01:00
David Shah
818faa78aa clangformat 
Signed-off-by: David Shah <dave@ds0.me>
 2020-12-30 16:49:55 +00:00
Pepijn de Vos
3611f54902
Gowin target (#542) 
* load wires

* add slice bels

* add IOB

* add aliases

* local aliases

* broken packing stuff

* working packer

* add constraints

* pnr runs1111

* add timing info

* constraints

* more constraint stuff

* add copyright

* remove generic reference

* remove parameters

* remove generic python api

* add newline to end of file

* some small refactoring

* warn on invalid constraints

* don't error on missing cell

* comment out debugging print

* typo

* avoid copy

* faster empty idstring

* remove intermediate variable

* no more deadnames

* fix cst warnings

* increase ripup and epsilon a bit

* take single device parameter

* add info to readme

* gui stubs

* Revert 4d03b681a8

* assign ff_used in assignArchInfo

* decrease beta for better routability

* try to fix CI
 2020-12-30 14:59:55 +00:00