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OpenRAM
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1839 Commits

Author SHA1 Message Date
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
jsowash 5099ff6f6c Changed A/Z pins to copy_layout_pin and made en (B) pin a single pin. 2019-08-29 09:01:35 -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
Matt Guthaus bdf29c3a26 Fix non-preferred route width again. This time it is likely right. 2019-08-22 13:57:14 -07:00
Matt Guthaus 560d768010 Fix syntax error in router 2019-08-22 13:46:32 -07:00
Matt Guthaus afaa946f9c Fix width of non-preferred trunk wire 2019-08-22 12:03:38 -07:00
jsowash 27ec617315 Fixed M1.5 error in 8mux tests which came from pdriver. 2019-08-22 09:34:53 -07:00
Matt Guthaus 2ffdfb18a4 Fix trunks less than a pitch in channel route 2019-08-21 17:11:02 -07:00
jsowash a8df5528f9 Added 2 mux test for wmask. 2019-08-21 16:06:36 -07:00
Matt Guthaus 98f526427e Merge branch 'add_wmask' of github.com:VLSIDA/PrivateRAM into add_wmask 2019-08-21 15:33:03 -07:00
Matt Guthaus 9ada9a7dfa Fix pitch in channel router to support M3/M4. 2019-08-21 15:32:49 -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 5f3ffdb8ba Output name and version in help 2019-08-21 14:00:55 -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 b0821a5a0e Re-add simplified power pins on edges 2019-08-21 11:42:56 -07:00
Matt Guthaus b94af3e3fd Add vias for new channel routes 2019-08-21 11:33:43 -07:00
Matt Guthaus f281510828 Merge branch 'add_wmask' of github.com:VLSIDA/PrivateRAM into add_wmask 2019-08-21 11:20:42 -07:00
Matt Guthaus 2b7025335c Use pand2 of correct size. Simplify width checking of AND array. 2019-08-21 11:20:35 -07:00
jsowash 43d45fba98 Moved pwr/gnd pins to the right of the rail. 2019-08-21 10:44:04 -07:00
Matt Guthaus c39b09c736 Merge branch 'add_wmask' of github.com:VLSIDA/PrivateRAM into add_wmask 2019-08-21 10:18:59 -07:00
Matt Guthaus 54ab9440db Use pdriver instead of pinv in pand gates. 2019-08-21 10:18:46 -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
Matt Guthaus 53d0544291 Minor cleanup and additional assertion checking. 2019-08-21 08:50:12 -07:00
Matt Guthaus f2568fec80 Change permissions on tests to +x. Add single bank wmask test. 2019-08-21 08:49:46 -07:00
jsowash 71af70a636 Moved pwr/gnd vias and corrected width boundary. 2019-08-20 09:14:23 -07:00
jsowash 316132a33c Sized inverter for number of driven write drivers. 2019-08-19 13:31:49 -07:00
jsowash c19bada8df Performed clean up and added comments. 2019-08-19 08:57:05 -07:00
jsowash a28c9fed8b Fixed bug for more than 2 wmasks and changed test to test 4 wmasks. 2019-08-16 14:27:44 -07:00
jsowash d02ea06ff2 Added method to route between the output of wmask AND array and en of write driver. 2019-08-16 14:12:41 -07:00
jsowash aaa1e3a614 Added change to route wmask en between driver and AND gates. Need to apply it to all cases. 2019-08-16 10:23:51 -07:00
jsowash 92e0671e15 Removed DRC error with AND array in freepdk45 and moved pin on en_{} pin in port data. 2019-08-15 12:36:17 -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
jsowash aa4803f3c4 Increased enable pin's width for larger # of column mux ways. 2019-08-11 15:25:05 -07:00
jsowash 2573b5f48b Fixed merge conflict. 2019-08-11 14:39:36 -07:00
jsowash d259efbcda Connected wdriver_sel between write_mask_and_array and write_driver_array. 2019-08-11 14:33:08 -07:00
Matt Guthaus e5618b88af Don't add sense amp to write only port. Fix write_and None define. 2019-08-11 08:46:36 -07:00
Matt Guthaus d56a972d61 Update ngspice tests due to new version 2019-08-10 17:59:30 -07:00
Matt Guthaus c09005dab9 Redo logic for detecting bad bitlines 2019-08-10 17:32:36 -07:00
Matt Guthaus 6cf7366c56 Gate sen during first half period 2019-08-10 16:30:02 -07:00
Matt Guthaus 8d6a4c74e7 Merge branch 'dev' into control_fix 2019-08-10 13:07:30 -07:00
Matt Guthaus 23676c0f37 Route bl in SRAM write ports too 2019-08-10 12:53:07 -07:00
Matt Guthaus 34d28a19e6 Connect wl_en in all ports to bank. 2019-08-10 12:30:23 -07:00
Matt Guthaus bac684a82a Fix control logic routing. 2019-08-10 08:53:02 -07:00
jsowash d5e331d4f3 Connected en together in write_mask_and_array. 2019-08-09 14:27:53 -07:00
Hunter Nichols 2573d4e7d0 Removed testing code from config file. 2019-08-08 19:27:44 -07:00
Hunter Nichols 1d22d39667 Uncommented tests that use model delays. Fixed issue in sense amp cin. 2019-08-08 18:26:12 -07:00
jsowash 49fffcbc92 Added way to determine length of en pin with wmask in write_driver_array and shortened en to width of driver. 2019-08-08 15:49:23 -07:00
Hunter Nichols d273c0eef5 Merge branch 'dev' into analytical_cleanup 2019-08-08 13:20:27 -07:00
jsowash 0cfa0ac755 Shortened write driver enable pin so that a write mask can be used without a col mux in layout. 2019-08-08 12:57:32 -07:00
jsowash 59e5441aef Added write mask to write driver array 2019-08-08 08:46:58 -07:00
Hunter Nichols 3c44ce2df6 Replaced analytical characterization with graph implementation. Removed most analytical delay functions used by old chacterizer. 2019-08-08 02:33:51 -07:00
Hunter Nichols fc1cba099c Made all cin function relate to farads and all input_load relate to relative units. 2019-08-08 01:57:04 -07:00
Matt Guthaus d36f14b408 New control logic, netlist only working 2019-08-07 17:14:33 -07:00
Matt Guthaus 275891084b Add pand3 2019-08-07 16:33:29 -07:00
Matt Guthaus c2655fcaa9 Update pnor2 to new placement logic 2019-08-07 16:01:05 -07:00
jsowash 9409f60237 Merge branch 'dev' into add_wmask 2019-08-07 09:42:55 -07:00
jsowash abb9af0ea8 Added layout pins for wmask_and_array 2019-08-07 09:33:19 -07:00
jsowash a6bb410560 Begin implementing a write mask layout as the port data level. 2019-08-07 09:12:21 -07:00
Hunter Nichols 6860d3258e Added graph functions to compute analytical delay based on graph path. 2019-08-07 01:50:48 -07:00
Matt Guthaus ae46a464b9 Undo delay changes. Fix bus order for DRC. 2019-08-06 17:17:59 -07:00
Hunter Nichols 2ce7323838 Removed all unused analytical delay functions. 2019-08-06 17:09:25 -07:00
Matt Guthaus a2f81aeae4 Combine rbl_wl and wl_en. Size p_en_bar slower than wl_en. 2019-08-06 16:29:07 -07:00
Hunter Nichols 2efc0a3983 Merge branch 'dev' into analytical_cleanup 2019-08-06 14:51:30 -07:00
Matt Guthaus ad35f8745e Add direction to pins of all modules 2019-08-06 14:14:09 -07:00
Matt Guthaus c3f38a5cac ngspice delays updated (again) 2019-08-05 16:09:27 -07:00
Matt Guthaus aae8566ff2 Update golden delays. Fix uninitialized boolean. 2019-08-05 15:45:59 -07:00
Matt Guthaus 4d11de64ac Additional debug. Smaller psram func tests. 2019-08-05 13:53:14 -07:00
Matt Guthaus e4532083da Increase stages and FO of fixed delay line. 2019-08-05 13:52:32 -07:00
jsowash a4a72a9639 Merge branch 'dev' into add_wmask 2019-08-01 13:49:52 -07:00
Matt Guthaus 7ba97ee0ba Fix missing port in control logic 2019-08-01 12:42:51 -07:00
Matt Guthaus 8771ffbfed Fix bug to add all p_en_bar to banks 2019-08-01 12:28:21 -07:00
Matt Guthaus ff64e7663e Add p_en_bar to write ports as well 2019-08-01 12:21:43 -07:00
Matt Guthaus a8d09acd40 Use ordered dict instead of sorting keys 2019-08-01 12:21:30 -07:00
jsowash e4d8ba90a5 Merge branch 'dev' into add_wmask 2019-08-01 12:07:14 -07:00
Matt Guthaus d403362183 Sort keys for random read address choice. 2019-08-01 11:32:49 -07:00
jsowash bb1627bcec Added test to end of w_mask_and_array so a regression test will be performed on it. 2019-07-31 14:59:33 -07:00
jsowash 9819b5356e Merge branch 'dev' into add_wmask 2019-07-31 14:43:48 -07:00
jsowash 774f08da51 Added layout pins to and test for write_mask_and_array. 2019-07-31 14:11:37 -07:00
Hunter Nichols b4ef0ec36d Removed unused characterization module. 2019-07-30 20:33:17 -07:00
Hunter Nichols 24b1fa38a0 Added graph fixes to handmade multiport cells. 2019-07-30 20:31:32 -07:00
Hunter Nichols c12dd987dc Fixed pbitcell graph edge formation. 2019-07-30 00:49:43 -07:00
Matt Guthaus 98878a0a27 Conditionally path exclude 2019-07-27 12:14:00 -07:00
Matt Guthaus 8e43469486 Update spice results 2019-07-27 12:13:44 -07:00
Matt Guthaus d7bc3e8207 Add dummy pbitcell 2019-07-27 12:13:35 -07:00
Matt Guthaus 2824315f79 Fix error in wmask if 2019-07-27 11:51:40 -07:00
Matt Guthaus 5cb320a4ef Fix wrong pin error. 2019-07-27 11:44:35 -07:00
Matt Guthaus fa4f98b122 Fix ALL of the indents. 2019-07-27 11:30:48 -07:00
Matt Guthaus 37fffb2ed2 Fix bad indent. 2019-07-27 11:14:56 -07:00
Matt Guthaus 468a759d1e Fixed control problems (probably) 
Extended functional tests for 15 cycles (slow, but more checking)
Fixed s_en to be gated AFTER the RBL.
 2019-07-27 11:09:08 -07:00
Matt Guthaus 52029d8e48 Fix incorrect port_data BL pin name. 2019-07-27 06:11:45 -07:00
Matt Guthaus 179efe4d04 Fix bitline names in merge error 2019-07-26 22:03:50 -07:00
Matt Guthaus e750ef22f5 Undo some control logic changes. 2019-07-26 21:41:27 -07:00
Matt Guthaus 0c5cd2ced9 Merge branch 'dev' into rbl_revamp 2019-07-26 18:01:43 -07:00
Matt Guthaus 7eea63116f Control logic LVS clean 2019-07-26 15:50:10 -07:00
Matt Guthaus dce852d945 Restructure control logic for improved drive and timing. 2019-07-26 14:54:55 -07:00
Matt Guthaus 3327fa58c0 Add some signal names to functional test comments 2019-07-26 14:49:53 -07:00
Hunter Nichols dc46d07ca3 Removed unused code for input loads 2019-07-26 14:20:47 -07:00
Matt Guthaus 8ebc568e8b Minor cleanup. Skip more tests until analytical fixed. 2019-07-26 08:33:06 -07:00
Matt Guthaus 20d9c30a64 Use non-analytical models for now 2019-07-25 14:55:42 -07:00
Matt Guthaus 88c399bc6c Skip prune test for now 2019-07-25 14:49:11 -07:00
Matt Guthaus d5419f99f6 Skip model tests for now 2019-07-25 14:46:33 -07:00
Matt Guthaus c8c4d05bba Fix some regression fails. 2019-07-25 14:18:08 -07:00
Matt Guthaus 0bb41b8a5d Fix duplicate paths for timing checks 2019-07-25 13:25:58 -07:00
jsowash de485182bc Cleaned up comments about wmask. 2019-07-25 13:21:17 -07:00
jsowash 61ba23706c Removed comments for rw pen() and added a wmask func test. 2019-07-25 12:24:27 -07:00
Matt Guthaus 80df996720 Modify control logic for new RBL. 2019-07-25 11:19:16 -07:00
Matt Guthaus 5452ed69e7 Always have a precharge. 2019-07-25 10:31:39 -07:00
Matt Guthaus 54b312eaf9 Add return type 2019-07-24 17:00:38 -07:00
Matt Guthaus 2f03c594c5 Remove success initialization 2019-07-24 16:59:19 -07:00
Matt Guthaus cfc04064af Remove print. 2019-07-24 16:57:57 -07:00
Matt Guthaus fb60b51c72 Add check bits. Clean up logic. Move read/write bit check to next cycle. 2019-07-24 16:57:04 -07:00
jsowash c8bbee884b Removed layout related rw port's special pen. 2019-07-24 16:01:12 -07:00
jsowash 3bcb79d9d5 Removed code for RW ports to not precharge on writes. Previously, the entire bitline was written where part was an old value and part was the wmask value. 2019-07-24 15:01:20 -07:00
Matt Guthaus fe0db68965 Refactor to share get_measurement_variant 2019-07-24 11:29:29 -07:00
Matt Guthaus 9cb96bda7d Mostly formatting. Added write measurements. 2019-07-24 10:57:33 -07:00
Matt Guthaus 3df8abd38c Clean up. Split class into own file. 2019-07-24 08:15:10 -07:00
jsowash 01493aab3e Added wmask valuesto functional test through add_wmask() 2019-07-23 15:58:54 -07:00
Matt Guthaus 07401fc6ea Make control bus routing offset consistent 2019-07-23 09:39:28 -07:00
jsowash ddf5148fa5 Removed code where if there was no write mask, word_size=write_size. Now it stays None. 2019-07-22 14:58:43 -07:00
jsowash ad0af54a9f Removed dupliction of addr_size. 2019-07-22 13:18:52 -07:00
jsowash 2b29e505e0 Reversed order of wmask bits in functional.py since python lists go left to right. Made # of en bits equal to num_masks. 2019-07-22 12:44:35 -07:00
jsowash 72e16f8fe6 Added ability to do partial writes to addresses that have already been written to. 2019-07-22 11:19:14 -07:00
jsowash a69d35b50a Removed write_size from parameters. 2019-07-21 15:53:05 -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
jsowash 45cb159d7f Connected wmask in the spice netlist. 2019-07-19 13:17:55 -07:00
jsowash 082decba18 Temporarily made the functional tests write/read only all 0's or 1's 2019-07-18 15:26:38 -07:00
jsowash 5f37067da7 Turned write_mask_array into write_mask_and_array with flip flops from sram_base 2019-07-18 15:24:41 -07:00
Matt Guthaus 864639d96e Remove old replica bitline. 2019-07-18 15:19:40 -07:00
Matt Guthaus a707c6fa50 Convert psram tests to only 2 port. 2019-07-18 14:49:54 -07:00
jsowash 917a69723f Fixed typo 2019-07-17 12:26:05 -07:00
jsowash 720739a192 Skipping test 22_sram_wmask_func_test and changed a typo of write_driver to write_mask 2019-07-17 11:04:17 -07:00
Hunter Nichols 9696401f34 Added graph exclusions to replica column to reduce s_en paths. 2019-07-16 23:47:34 -07:00
mrg e2602dd79b Add comments for pins. Fix noconn in dummy pbitcell. 2019-07-16 17:30:31 -07:00
mrg 37fcf3bf37 Move classes to individual file. 2019-07-16 15:18:04 -07:00
mrg 8ca656959b Change direction of RBL bitline pins 2019-07-16 15:09:46 -07:00
mrg b546ecce2c Check 2 ports only for layout. 2019-07-16 14:11:54 -07:00
mrg 12fa36317e Cleanup unit test. Fix s_en control bug for r-only. 2019-07-16 13:51:31 -07:00
mrg 2f55911604 Simplify column decoder placement. 2019-07-16 11:55:25 -07:00
mrg 70ee026fcf Add cell names to psingle_bank test 2019-07-16 11:54:57 -07:00
mrg 42ad0cd282 Add pbitcell RW test 2019-07-16 11:54:39 -07:00