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OpenRAM
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58 Commits

Author SHA1 Message Date
mrg 0c9f52e22f Realign col decoder and control by 1/4 so metal can pass over 2020-06-28 07:15:06 -07:00
mrg 66ea559209 Use channel for dffs all at once 2020-06-27 08:23:12 -07:00
mrg 7220b23402 Add riscv unit tests 2020-06-25 15:34:18 -07:00
mrg 52ee7b0a19 Disable perimeter pins and make an option 2020-06-14 16:44:10 -07:00
mrg 78be9f367a Add brain-dead router pins to perimeter 2020-06-14 15:52:09 -07:00
Aditi Sinha d5041afebc Merge branch 'dev' into bisr 2020-06-07 16:27:25 +00:00
mrg 717188f85c Change L shape of rbl route 2020-06-04 11:03:39 -07:00
Aditi Sinha eb0c595dbe SRAM layout and functional tests with spare cols 2020-06-03 12:31:30 +00:00
Aditi Sinha c7d86b21ae Spare cols with wmask enabled 2020-05-16 10:09:03 +00:00
Aditi Sinha 8bd1052fc2 Spare columns in full sram layout 2020-05-14 10:30:29 +00:00
mrg b7c66d7e07 Changes to simplify metal preferred directions and pitches. 
Changes to allow decoder height to be a 2x multiple of bitcell height.
Split of control logic tests.
Fixed track spacing in SRAM and channel router
PEP8 cleanup.
 2020-05-10 11:32:45 -07:00
mrg ee18f61cbf Route RBL to edge of bank. 2020-03-06 09:03:52 -08:00
mrg 5b23653369 PEP8 Formatting 2020-03-05 16:13:49 -08:00
mrg 4d85640a00 Change col addr spacing to col addr size 2020-02-07 22:20:16 +00:00
mrg 2ff058f5d5 PEP8 Cleanup and reverse pitch offset of col addr routing 2020-02-06 22:59:30 +00:00
mrg 4b06ab9eaf Move port 2 column address bus down. 
PEP 8 cleanup.
 2020-02-06 19:46:10 +00:00
mrg 79391b84da Cleanup and rename vias. 2020-01-30 01:45:33 +00:00
Matt Guthaus ed28b4983b Clean up and generalize layer rules. 
Convert metalN to mN.
Generalize helper constants in modules for
space, width, enclose, etc.
Use layer stacks whever possible.
Try to remove drc() calls in liu of helper constants.
 2019-12-17 11:03:36 -08:00
Matt Guthaus e143a6033f Use layer stacks from tech file in design class and throughout 2019-12-13 14:13:41 -08:00
jsowash 4c40804b8f Moved via in write driver up for 2 port. 2019-09-03 15:14:41 -07:00
jsowash dd67490823 Changed routing to allow for 2 write port with write mask. 2019-09-03 14:43:03 -07:00
jsowash e3b42430bd Changed max_gap_size_wmask to take into account column ffs. 2019-08-29 17:09:17 -07:00
jsowash bbe235074c Added max gap size for wmask and edited max gap size for data ff's to take into account m3 spacing. 2019-08-29 16:41:58 -07:00
jsowash 37116ce9d8 Increased spacing between wmask and data dffs. 2019-08-29 16:00:50 -07:00
jsowash c1906ade3f Removed A pin's via connection since it's created in the SRAM level and rearranged the SRAM flip flop creation. 2019-08-29 14:48:13 -07:00
jsowash af3d2af0ec Merge branch 'dev' into add_wmask 2019-08-29 12:56:11 -07:00
jsowash f13c8eae8d Moved column mux ff's to be horizontal with wmask flip flops and adjusted wmask AND array en pin location starting point. 2019-08-29 11:07:42 -07:00
Matt Guthaus 64fc771fc4 Simplify is not None 2019-08-22 15:02:52 -07:00
Matt Guthaus ee2456f433 Merge branch 'add_wmask' into dev 2019-08-22 15:01:41 -07:00
jsowash 737e873923 Changed via direction for via1 in flip flops. 2019-08-21 14:49:54 -07:00
Matt Guthaus 9f54afbf2c Fix capitalization in verilog golden files 2019-08-21 14:29:57 -07:00
jsowash 980760b724 Add preferred direction to via1, routed between supply lines in wmask AND array, and only uses m3 for channel route with a write mask. 2019-08-21 14:02:57 -07:00
Matt Guthaus d0f04405a6 Convert capital names to lower case for consistency 2019-08-21 13:45:34 -07:00
jsowash 4f01eeb3c1 Combined changes to the pin locations and vias. 2019-08-21 12:36:53 -07:00
jsowash c2015335b0 Fixed merge issues. 2019-08-21 11:54:22 -07:00
jsowash 4813c01d56 Moved dff's up and moved wmask_AND/wdriver pins left/down, respectively. 2019-08-21 11:50:28 -07:00
Matt Guthaus b94af3e3fd Add vias for new channel routes 2019-08-21 11:33:43 -07:00
jsowash 0cbc4a7acf Moved wmask dff above data dff and changed channel route to m3/m4 for data and m1/m2 for wmask. 2019-08-21 10:07:20 -07:00
jsowash c19bada8df Performed clean up and added comments. 2019-08-19 08:57:05 -07:00
jsowash f0f811bad9 Added a condiitonal to only route wmask dff when there's a write size. 2019-08-14 12:40:14 -07:00
jsowash 858fbb062d Placed wmask dff and added connections for wmask pins. 2019-08-14 11:45:22 -07:00
jsowash 0d7170eb95 Created wmask AND array en pin to go through to top layer. 2019-08-14 09:59:40 -07:00
Matt Guthaus 23676c0f37 Route bl in SRAM write ports too 2019-08-10 12:53:07 -07:00
Matt Guthaus 2824315f79 Fix error in wmask if 2019-07-27 11:51:40 -07:00
Matt Guthaus 0c5cd2ced9 Merge branch 'dev' into rbl_revamp 2019-07-26 18:01:43 -07:00
jsowash 0a5461201a Change num_wmask to num_wmasks and write_size = None not word_size if wmask not used. 2019-07-19 14:58:37 -07:00
mrg bea07c2319 SRAM with RBL integration in array. 2019-07-16 09:04:58 -07:00
mrg a189b325ed Merge remote-tracking branch 'origin/dev' into rbl_revamp 2019-07-12 11:10:07 -07:00
jsowash dfa2b29b8f Begin adding wmask netlist and spice tests. 2019-07-12 10:34:29 -07:00
mrg 043018e8ba Functional tests working with new RBL. 2019-07-12 08:42:36 -07:00