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470 Commits

Author SHA1 Message Date
Robert Ou 2abcd98527 coolrunner2: Move LOC attributes onto the IO cells 2018-01-17 16:17:32 -08:00
Clifford Wolf 9ac560f5d3 Add "dffinit -highlow" and fix synth_intel 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-01-09 18:42:19 +01:00
Clifford Wolf b66d50e62d Fix minor typo in "prep" help message 2017-12-19 21:44:05 +01:00
Graham Edgecombe f93e6637aa Fix port names in SB_IO_OD 2017-12-10 15:33:38 +00:00
Graham Edgecombe 52ace35a73 Remove trailing comma from SB_IO_OD port list 
This isn't compatible with Icarus Verilog.
 2017-12-10 15:33:38 +00:00
Tim Ansell 3cc31f197c
Fix spelling in -vpr help for synth_ice40 2017-12-08 18:44:45 -08:00
Clifford Wolf 1f6e8f86c5
Merge pull request #462 from daveshah1/up5k 
Add remaining UltraPlus cells to ice40 techlib
 2017-11-28 15:53:53 +01:00
David Shah 5e8d1922a4 Add remaining UltraPlus cells to ice40 techlib 2017-11-28 11:07:49 +00:00
Clifford Wolf 4782d59a3f
Merge pull request #455 from daveshah1/up5k 
Add UltraPlus specific cells to ice40 techlib
 2017-11-18 19:12:48 +01:00
David Shah 0505f1043c Remove unnecessary keep attributes 2017-11-18 17:53:21 +00:00
Clifford Wolf c01df04e32
Merge pull request #453 from dh73/master 
Updating Intel FPGA subsystem with Cyclone 10, minor changes in examples/intel directory and Speedster cells
 2017-11-18 09:56:36 +01:00
David Shah 8ae73e60e2 Merge branch 'master' into up5k 2017-11-17 15:15:39 +00:00
Clifford Wolf 234726c655 Add "synth_ice40 -vpr" 2017-11-16 21:37:02 +01:00
David Shah f9f3ca5da0 Add some UltraPlus cells to ice40 techlib 2017-11-16 12:24:35 +00:00
dh73 3fd1d61e2a Initial Cyclone 10 support 2017-11-08 22:45:21 -06:00
dh73 1fc061d90c Organizing Speedster file names 2017-11-08 20:23:55 -06:00
Larry Doolittle 50bcd9a728 Clean whitespace and permissions in techlibs/intel 2017-10-05 16:23:49 +02:00
Clifford Wolf 65f91e5120 Rename "write_verilog -nobasenradix" to "write_verilog -decimal" 2017-10-03 17:31:21 +02:00
dh73 4718e65763 Tested and working altsyncarm without init files 2017-10-01 19:59:45 -05:00
dh73 cbaba62401 Adding Cyclone IV (E, GX), Arria 10, Cyclone V and LPM functions (ALTPLL and M9K); M9K is not finished yet. Achronix Speedster also in this commit. Both Arria10 and Speedster-i are still experimental due complexity, but you can experiment around those devices right now 2017-10-01 11:04:17 -05:00
Clifford Wolf c5b204d8d2 Add first draft of eASIC back-end 2017-09-29 17:53:43 +02:00
Clifford Wolf e64b9d5a4d Fix synth_ice40 doc regarding -top default 2017-09-29 17:52:57 +02:00
Andrew Zonenberg 122532b7e1 Added RESET_TO_MAX parameter to $__COUNT_ cell. Cannot yet be extracted. 2017-09-14 10:26:32 -07:00
Andrew Zonenberg a84172b23b Initial support for extraction of counters with clock enable 2017-09-14 10:26:10 -07:00
Clifford Wolf 2f75240e36 Merge pull request #406 from azonenberg/coolrunner-techmap 
Coolrunner techmapping improvements
 2017-09-02 13:43:51 +02:00
Robert Ou 5f65e24ccb coolrunner2: Finish fixing special-use p-terms 2017-09-01 07:22:16 -07:00
Robert Ou fa04366f38 coolrunner2: Generate a feed-through AND term when necessary 2017-09-01 07:22:01 -07:00
Robert Ou 6775177171 coolrunner2: Initial fixes for special p-terms 
Certain signals can only be controlled by a product term and not a
sum-of-products. Do the initial work for fixing this.
 2017-09-01 07:21:51 -07:00
Robert Ou 7f08be4304 coolrunner2: Fix mapping of flip-flops 2017-09-01 07:21:39 -07:00
Robert Ou ac84f47829 coolrunner2: Combine some for loops together 2017-09-01 07:21:31 -07:00
Andrew Zonenberg 40021d2fd8 Fixed typo in error message 2017-09-01 06:45:10 -07:00
Andrew Zonenberg fc0c7f74dc Added blackbox $__COUNT_ cell model 2017-09-01 06:44:28 -07:00
Andrew Zonenberg 80aaf50302 Refactoring: moved modules still in cells_sim to cells_sim_wip 2017-09-01 06:44:15 -07:00
Andrew Zonenberg 06754108fc Merge branch 'master' of https://github.com/cliffordwolf/yosys into counter-extraction 2017-08-30 16:40:41 -07:00
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
Andrew Zonenberg c3145863e7 Reformatted GP_COUNTx_ADV resets to avoid Yosys thinking that they're multi-edge-sensitive and getting confused. 2017-08-28 14:25:46 -07:00
Andrew Zonenberg e62362225c Fixed bug causing GP_SPI model to not synthesize 2017-08-27 07:31:48 -07:00
Andrew Zonenberg e6eaf487b6 Fixed more issues with GreenPAK counter sim models 2017-08-15 09:18:36 -07:00
Andrew Zonenberg 3a404be62a Updated PGEN model to have level triggered reset (matches actual hardware behavior 2017-08-15 09:18:27 -07:00
Andrew Zonenberg e5109847c9 Fixed bug in GP_COUNTx model 2017-08-15 09:18:17 -07:00
Andrew Zonenberg 66b256d40e Fixed bug where GP_COUNTx_ADV would wrap even when KEEP was high 2017-08-15 09:18:07 -07:00
Clifford Wolf 2cf0b5c157 Merge pull request #381 from azonenberg/countfix 
Added better behavioral models for GreenPAK counters. Refactored cells_sim into two files so analog/mixed signal stuff is separate
 2017-08-14 21:47:26 +02:00
Robert Ou 78fd24f40f coolrunner2: Add INVERT parameter to some BUFGs 2017-08-14 12:13:33 -07:00
Robert Ou 1e3ffd57cb coolrunner2: Add FFs with clock enable to cells_sim.v 2017-08-14 12:13:25 -07:00
Andrew Zonenberg 348acbd968 Fixed typo in GP_COUNT8 sim model 2017-08-14 10:45:40 -07:00
Andrew Zonenberg c205d571df Fixed typo in error message 2017-08-14 10:45:40 -07:00
Andrew Zonenberg 0a6c702c41 Changed LEVEL resets for GP_COUNTx to be properly synthesizeable 2017-08-14 10:45:40 -07:00
Andrew Zonenberg 9f3dc59ffe Changed LEVEL resets to be edge triggered anyway 2017-08-14 10:45:40 -07:00