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21 Commits

Author SHA1 Message Date
Eddie Hung 0b0148399c synth_*: call 'opt -fast' after 'techmap' 2020-02-05 18:39:01 -08:00
whitequark f8d5920a7e
Merge pull request #1604 from whitequark/unify-ram-naming 
Harmonize BRAM/LUTRAM descriptions across all of Yosys
 2020-01-02 21:06:17 +00:00
whitequark 550310e264 Harmonize BRAM/LUTRAM descriptions across all of Yosys. 
This commit:
  * renames all remaining instances of "DRAM" (which is ambiguous)
    to "LUTRAM" (which is not), finishing the work started in
    the commit 698ab9be;
  * renames memory rule files to brams.txt/lutrams.txt;
  * adds/renames script labels map_bram/map_lutram;
  * extracts where necessary script labels map_ffram and map_gates;
  * adds where necessary options -nobram/-nolutram.

The end result is that BRAM/LUTRAM/FFRAM aspects of every target
are now consistent with each other.

Per architecture:
  * anlogic: rename drams.txt→lutrams.txt, add -nolutram, add
    :map_lutram, :map_ffram, :map_gates
  * ecp5: rename bram.txt→brams.txt, lutram.txt→lutrams.txt
  * efinix: rename bram.txt→brams.txt, add -nobram, add :map_ffram,
    :map_gates
  * gowin: rename bram.txt→brams.txt, dram.txt→lutrams.txt,
    rename -nodram→-nolutram (-nodram still recognized), rename
    :bram→:map_bram, :dram→:map_lutram, add :map_ffram, :map_gates
 2020-01-01 12:30:00 +00:00
Eddie Hung 79448f9be0 Update doc that "-retime" calls abc with "-dff -D 1" 2019-12-30 13:28:29 -08:00
Miodrag Milanovic 44c3472b9f FF should be initialized to 0 2019-10-04 13:27:10 +02:00
Miodrag Milanovic 77d557d00b Add missing latch mapping 2019-10-04 12:58:11 +02:00
Miodrag Milanovic 8badd4d812 better handling of lut and begin/end add 2019-09-18 17:45:07 +02:00
Miodrag Milanovic 3487b95224 Added simulation models for Efinix and Anlogic 2019-09-15 09:37:16 +02:00
Clifford Wolf 4c449caf9b Fix missing newline at end of file 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-08-22 18:06:36 +02:00
Miodrag Milanovic 2897fe4d09 Fix formating 2019-08-11 17:05:24 +02:00
Miodrag Milanovic ead2b52b5a one bit enable signal 2019-08-11 13:59:39 +02:00
Miodrag Milanovic aa0c37722a fix mixing signals on FF mapping 2019-08-11 11:40:15 +02:00
Miodrag Milanovic 853c755a0c Replaced custom step with setundef 2019-08-11 11:01:46 +02:00
Miodrag Milanovic e609537e38 Fixed data width 2019-08-11 10:46:48 +02:00
Miodrag Milanovic 8c8100e0df Adding new pass to fix carry chain 2019-08-11 10:17:49 +02:00
Miodrag Milanovic b3a91d6508 cleanup 2019-08-11 08:37:56 +02:00
Miodrag Milanovic d51b135e33 Fix CO 2019-08-09 12:37:10 +02:00
Miodrag Milanovic 8a3329871b clock for ram trough gbuf 2019-08-04 12:17:55 +02:00
Miodrag Milanovic cf96f41c6d Added bram support 2019-08-04 11:46:36 +02:00
Miodrag Milanovic 6e210f26fa Custom step to add global clock buffers 2019-08-03 14:40:23 +02:00
Miodrag Milanovic ab98f604fd Initial EFINIX support 2019-08-03 13:10:44 +02:00