26 commits

Author	SHA1	Message	Date
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