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10 Commits

Author SHA1 Message Date
Pepijn de Vos be836f4af3 gowin: split cells_xtra by family 2024-11-26 15:42:22 +01:00
YRabbit a1dd794ff8 gowin: Add all the primitives. 
Use selected data (names, ports and parameters) from vendor file for
GW1N series primitives.

Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
 2023-04-22 17:10:53 +10:00
Marcelina Kościelnicka e4d811561c gowin: Use `memory_libmap` pass. 2022-05-18 17:32:56 +02:00
Dan Ravensloft 01772dec8c gowin: replace determine_init with setundef 2020-07-04 23:26:56 +02:00
whitequark 26cda3c247 gowin,ecp5: remove generated files in `make clean`. 2020-04-24 23:26:39 +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
Pepijn de Vos 47374a495d support bram initialisation 2019-09-05 17:25:51 +02:00
Diego f9272fc56d GoWin enablement: DRAM, initial BRAM, DRAM init, DRAM sim and synth_gowin flow 2019-04-12 23:40:02 -05:00
Diego H 819ca73096 Changes in GoWin synth commands and ALU primitive support 2018-12-03 20:08:35 -06:00
Clifford Wolf cae5131bac Added initial version of "synth_gowin" 2016-11-01 11:31:13 +01:00