| Commit message (Collapse) | Author | Age | Files | Lines |
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- Both the mode used by yosys and all Gowin primitive modes are supported.
- The ALU always starts with a zero slice.
- The maximum length of the ALU chain is limited to one line of the chip.
Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
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Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
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* A hardwired MUX within each logical cell is used.
* The delay is equal 0.
* No user placement constraints.
* The output route contains dummy PIPs. They are ignored by gowin_pack, but it may be worth removing them.
Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
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* 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 4d03b681a8634e978bd5af73c97665500047e055
* assign ff_used in assignArchInfo
* decrease beta for better routability
* try to fix CI
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