Commit Graph

29 Commits

Author SHA1 Message Date
Andrew Zonenberg 634f18be96 extract_counter: Minor changes requested to comply with upstream policy, fixed a few typos 2017-08-30 16:28:25 -07:00
Andrew Zonenberg 3fc1b9f3fd Finished refactoring counter extraction to be nice and generic. Implemented techmapping from $__COUNT_ to GP_COUNTx cells. 2017-08-28 22:18:57 -07:00
Andrew Zonenberg b5c15636c5 Refactoring: Renamed greenpak4_counters pass to extract_counter, moved it to techmap/ since it's going to become a generic pass 2017-08-28 22:18:34 -07:00
Clifford Wolf 2a311c2c38 Fix double-call of log_pop() in synth_greenpak4 2017-02-14 11:57:54 +01:00
Andrew Zonenberg c53a33143e greenpak4: Can now techmap inferred D latches (without set/reset or output inverter) 2016-12-10 18:46:36 +08:00
Andrew Zonenberg e6ab00d419 Updated help text for synth_greenpak4 2016-12-05 20:11:37 -08:00
Clifford Wolf 5d90a5b905 Added greenpak4_dffinv 2016-08-15 09:33:06 +02:00
whitequark 0515809448 synth_greenpak4: use attrmvcp to move LOC from wires to cells. 2016-08-10 20:09:35 +00:00
Andrew Zonenberg 8619d33114 Removed splitnets in prep for new gp4par parser 2016-07-11 22:42:25 -07:00
Clifford Wolf 99edf24966 Added "nlutmap -assert" 2016-06-09 11:47:41 +02:00
Andrew Zonenberg 2096a05ec2 Changed order of passes for better handling of INIT attributes on "output reg" FFs 2016-05-04 17:13:54 -07:00
Andrew Zonenberg a613f171ae Refactored synth_greenpak4 to use iopadmap for mapping GP_IOBUF/GP_OBUFT cells instead of extract 2016-05-04 15:55:16 -07:00
Andrew Zonenberg dcee3256d5 Added tri-state I/O extraction for GreenPak 2016-05-03 22:53:29 -07:00
Clifford Wolf c9c5192cd6 Run clean after splitnets in synth_greenpak4 2016-04-23 23:09:45 +02:00
Clifford Wolf f85cfa5666 Added "shregmap" to synth_greenpak4 2016-04-23 10:31:19 +02:00
Clifford Wolf a24021ea20 Converted synth_greenpak4 to ScriptPass 2016-04-23 10:27:33 +02:00
Clifford Wolf 0bc95f1e04 Added "yosys -D" feature 2016-04-21 23:28:37 +02:00
Andrew Zonenberg 2386885f22 Added GreenPak inverter support 2016-04-01 21:18:29 -07:00
Andrew Zonenberg 736a998a75 DFFINIT is now correctly called for all kinds of flipflop, not just DFF 2016-03-31 23:16:45 -07:00
Andrew Zonenberg 984561c034 Renamed counters pass to greenpak4_counters 2016-03-30 22:52:01 -07:00
Andrew Zonenberg 1ae33344f4 Added initial implementation of "counters" pass to synth_greenpak4. Can only infer non-resettable down counters for now. 2016-03-30 22:40:14 -07:00
Andrew Zonenberg 3ea6026648 Added splitnets to synth_greenpak4 2016-03-29 20:02:59 -07:00
Clifford Wolf b4bf787f10 Added GP_DFFS, GP_DFFR, and GP_DFFSR 2016-03-23 08:46:10 +01:00
Clifford Wolf 456c10f16e Added GP_DFF INIT parameter 2016-03-23 08:12:54 +01:00
Clifford Wolf ca8f8e30f2 Improvements in synth_greenpak4, added -part option 2016-03-21 09:44:52 +01:00
Clifford Wolf 598a475724 Added nlutmap 2015-09-18 21:57:34 +02:00
Clifford Wolf 745d56149d Renamed GreenPAK4 cells, improved GP4 DFF mapping 2015-09-18 12:00:37 +02:00
Clifford Wolf d9cecabb87 Fixed copy&paste typo in synth_greenpak4 2015-09-16 09:39:31 +02:00
Clifford Wolf c5352f45c3 Added GreenPAK4 skeleton 2015-09-16 09:28:37 +02:00