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OpenRAM
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1282 Commits

Author SHA1 Message Date
Matt Guthaus 90d1fa7c43 Bitcell supply routing fixes. 
Flatten and simplify 1rw 1r bitcell.
Move bitcell vias to M3 if rotation is limited.
Simplify replica bitcell vdd routing.
 2018-11-30 12:32:13 -08:00
Matt Guthaus 7e054a51e2 Some techs don't need m1 power pins 2018-11-29 18:47:38 -08:00
Matt Guthaus 0af4263edb Remove extra rotated vias in bitcell array to simplify power routing 2018-11-29 18:13:15 -08:00
Matt Guthaus 0e7301fff8 Update unit test golden results. Skip two tests. 2018-11-29 17:28:57 -08:00
Matt Guthaus e98f7075e2 Merge branch 'multiport_control_fix' of ssh://scone/home/mrg/openram into multiport_control_fix 2018-11-29 16:29:17 -08:00
Matt Guthaus 33a7683473 Remove used gated_clk instead of cs for read-only control logic. 2018-11-29 16:28:37 -08:00
Matt Guthaus a7be60529f Do not rotate vias in horizontal channel routes 2018-11-29 13:57:40 -08:00
Matt Guthaus 3c4d559308 Fixed syntax error referring to column mux 2018-11-29 13:29:16 -08:00
Matt Guthaus 3d3f54aa86 Add col addr line spacing for col addr decoder 2018-11-29 13:22:48 -08:00
Matt Guthaus 4df862d8af Convert channel router to take netlist of pins rather than names. 2018-11-29 12:12:10 -08:00
Matt Guthaus a7bc9e0de0 Use module height not instance uy for sram placement 2018-11-29 10:34:25 -08:00
Matt Guthaus 0a16d83181 Add more layout and functional port tests. 2018-11-29 10:28:43 -08:00
Matt Guthaus 14fa33e21d Remove 4 bank code and test for now. 2018-11-29 10:28:09 -08:00
Matt Guthaus 7054d0881a Fix col address dff spacing from bank. 2018-11-29 09:54:29 -08:00
Matt Guthaus 02a67f9867 Missing gap in port 1 col decoder 2018-11-28 18:07:31 -08:00
Matt Guthaus d041a498f3 Fix height of port 1 control bus. Adjust column decoder names. 2018-11-28 17:48:25 -08:00
Jesse Cirimelli-Low a4b1d2f13b added css style code 2018-11-28 17:21:50 -08:00
Jesse Cirimelli-Low 06805d1e70 file browser does not show files in root directory; removed test file 2018-11-28 17:18:59 -08:00
Matt Guthaus f8513da162 Remove local temp dir 2018-11-28 17:04:53 -08:00
Matt Guthaus a2a9cea37e Make column decoder same height as control to control and supply overlaps 2018-11-28 16:59:58 -08:00
Jesse Cirimelli-Low 79c4b3c4cd added files links 2018-11-28 16:56:24 -08:00
Matt Guthaus 3cfe74cefb Functional simulation uses threshold for high and low noise margins 2018-11-28 16:55:04 -08:00
Jesse Cirimelli-Low 44638cb885 jinja2 file browser working 2018-11-28 16:48:24 -08:00
Matt Guthaus 25ae3a5eae Fix error of no control bus width 2018-11-28 15:42:51 -08:00
Matt Guthaus d99dcd33e2 Fix SRAM level control routing errors. 2018-11-28 15:30:52 -08:00
Matt Guthaus 143e4ed7f9 Change hierchical decoder output order to match changes to netlist. 2018-11-28 14:09:45 -08:00
Matt Guthaus b5b691b73d Fix missing via in clk input of control 2018-11-28 13:20:39 -08:00
Matt Guthaus 2ed8fc1506 pgate inputs and outputs are all on M1 for flexible via placement when using gates. 2018-11-28 12:42:29 -08:00
Matt Guthaus 93904d9f2d Control logic passes DRC/LVS in SCMOS 2018-11-28 11:02:24 -08:00
Matt Guthaus 410115e830 Modify dff_buf to stagger Q and Qb outputs. 2018-11-28 10:43:11 -08:00
Matt Guthaus 25611fcbc1 Remove dff_inv since we can just use dff_buf 2018-11-28 10:42:22 -08:00
Matt Guthaus ea6abfadb7 Stagger outputs of dff_buf 2018-11-28 09:48:16 -08:00
Matt Guthaus d2ca2efdbe Limit ps, pd, as, ad precision in ptx. 2018-11-28 09:47:54 -08:00
Jesse Cirimelli-Low a56e3f609b removed debug print statements 2018-11-28 09:39:58 -08:00
Jesse Cirimelli-Low 0920321a2e start of static html generation code 2018-11-27 19:49:05 -08:00
Matt Guthaus c43a140b5e All control routed and DRC clean. LVS errors. 2018-11-27 17:18:03 -08:00
Matt Guthaus 5d59863efc Fix p_en_bar at top level. Change default scn4m period to 10ns. 2018-11-27 14:44:55 -08:00
Matt Guthaus c45f990413 Change en to en_bar in precharge. Fix logic for inverted p_en_bar. 2018-11-27 14:17:55 -08:00
Matt Guthaus 0c286d6c29 Revert to 5V example until we fix spice models in scn4m_subm 2018-11-27 14:17:06 -08:00
Jesse Cirimelli-Low 5aa8c46c16 Merge branch 'dev' into datasheet_gen 2018-11-27 13:54:21 -08:00
Matt Guthaus bf31126679 Correct decoder output numbers to follow address order 2018-11-27 12:03:13 -08:00
Matt Guthaus b912f289a6 Remove extra X in instance names 2018-11-27 12:02:53 -08:00
Matt Guthaus 2237af0463 Merge branch 'multiport_control_fix' of ssh://scone/home/mrg/openram into multiport_control_fix 2018-11-26 18:01:34 -08:00
Matt Guthaus cf23eacd0e Add wl_en 2018-11-26 18:00:59 -08:00
Matt Guthaus 21759d59b4 Remove inverter in wordline driver 2018-11-26 16:41:31 -08:00
Matt Guthaus 9e0b31d685 Make pand2 and pbuf derive pgate. Initial DRC wrong layout. 2018-11-26 16:19:18 -08:00
Matt Guthaus dd79fc560b Corretct modules for add_inst 2018-11-26 15:35:29 -08:00
Matt Guthaus b440031855 Add netlist only mode to new pgates 2018-11-26 15:29:42 -08:00
Matt Guthaus 2eff166527 Rotate vias in pand2 2018-11-26 14:05:04 -08:00
Matt Guthaus 5209619987 Move pnand2 output to allow input pin access on M2 2018-11-26 13:59:53 -08:00
Matt Guthaus 8fba32ca12 Add pand2 draft 2018-11-26 13:45:22 -08:00
Jennifer Eve Sowash 524334d24d Merge branch 'dev' into pdriver 2018-11-26 13:15:47 -08:00
Hunter Nichols b06aa84824 Functional tests now find a feasible period instead of using a heuristic. Bug found, trimming pbitcell netlists causes bit flips. 2018-11-23 18:55:15 -08:00
Hunter Nichols 5f954689a5 In delay.py, altered dummy address based on column mux. Added some hacks to make min_period work for srams with columns muxes. 2018-11-23 13:19:55 -08:00
Jennifer Eve Sowash bb7773ca7f Editted pbuf.py to pass regression. 2018-11-20 14:39:11 -08:00
Jesse Cirimelli-Low 29f19ad70f replaced absolute links with relative links 2018-11-20 12:27:54 -08:00
Jesse Cirimelli-Low 7d070c2652 Added links to logos 2018-11-20 11:51:38 -08:00
Hunter Nichols 67977bab3e Fixed port issue in bank. Changed golden data due to netlist change. 2018-11-20 11:39:14 -08:00
Jesse Cirimelli-Low 1942ef33ac Merge branch 'dev' into datasheet_gen 2018-11-20 11:23:42 -08:00
Hunter Nichols 62cbbca852 Merged, fixed conflict bt matching control logic creation to dev. 2018-11-19 22:20:20 -08:00
Hunter Nichols 2f29ad5510 Disabled resizing based on rise/fall delays. It creates delay chains which cannot be routed. 2018-11-19 22:13:58 -08:00
Matt Guthaus b8299565eb Use grid furthest from blockages when blocked pin. Enclose multiple connectors. 2018-11-19 17:32:55 -08:00
Hunter Nichols 8257e4fe8c Changed syntax in replica_bl tests, golden data to fit new values in delay tests. 2018-11-19 16:51:43 -08:00
Matt Guthaus 20d4e390f6 Add bounding box of connector for when there are multiple connectors 2018-11-19 15:45:07 -08:00
Matt Guthaus 2694ee1a4c Add all insufficient grids that overlap the pin at all 2018-11-19 15:43:19 -08:00
Hunter Nichols e8f1c19af6 Merge branch 'dev' into multiport_characterization 2018-11-19 15:42:48 -08:00
Matt Guthaus a47509de26 Move via away from cell edges 2018-11-19 15:42:22 -08:00
Hunter Nichols a55d907d03 High-to-low delays and slews are copied from the low-to-high values to simplify lib file results. FIXME 2018-11-19 15:40:26 -08:00
Matt Guthaus 6a7d721562 Add new bbox routine for pin enclosures 2018-11-19 09:28:29 -08:00
Matt Guthaus 4630f52de2 Use array ur instead of bank ur to pace row addr dff 2018-11-19 08:41:26 -08:00
Hunter Nichols d3c47ac976 Made delay measurements less dependent on period. 2018-11-18 23:28:49 -08:00
Matt Guthaus 7709d5caa7 Move row addr dffs to top of bank to prevent addr route problems 2018-11-18 10:02:08 -08:00
Matt Guthaus ba8bec3f67 Two m1 pitches at top of control logic 2018-11-18 09:30:27 -08:00
Matt Guthaus c677efa217 Fix control logic center location. Fix rail height error in write only control logic. 2018-11-18 09:15:03 -08:00
Hunter Nichols 3716030a23 Added delay chain sizing for rise/fall delays. Disabled to some sizes being having very large fanouts. 2018-11-16 16:57:22 -08:00
Matt Guthaus 047d6ca2ef Must channel rout the column mux bits since they could overlap 2018-11-16 16:21:31 -08:00
Matt Guthaus b89c011e41 Add psram 1w/1r test. Fix bl/br port naming errors in bank. 2018-11-16 15:31:22 -08:00
Matt Guthaus 8f28f4fde5 Don't always add all 3 types of contorl. Add write and read only port lists. 2018-11-16 15:03:12 -08:00
Matt Guthaus b13d938ea8 Add m3m4 short hand in design class 2018-11-16 14:10:49 -08:00
Matt Guthaus 4997a20511 Must set library cell flag for netlist only mode as well 2018-11-16 13:37:17 -08:00
Matt Guthaus ca750b698a Uniquify bitcell array 2018-11-16 12:52:22 -08:00
Matt Guthaus e040fd12f9 Bitcell and bitcell array can be named the same. 2018-11-16 12:00:23 -08:00
Matt Guthaus 5e0eb609da Check for single top-level structure in vlsiLayout. Don't allow dff_inv and dff_buf to have same names. 2018-11-16 11:48:41 -08:00
Matt Guthaus 68ac7e5955 Fix offset of column decoder with new mirroring 2018-11-15 17:27:58 -08:00
Matt Guthaus 712b71c5ca Mirror port 1 column decoder in X and Y 2018-11-15 15:26:59 -08:00
Jennifer Eve Sowash c73004de35 Merge branch 'pdriver' of https://github.com/VLSIDA/PrivateRAM into pdriver 2018-11-15 14:06:38 -08:00
Jesse Cirimelli-Low 59c0421804 merge dev into datasheet_gen; fixed merge conflict in hierarchy_design.py 2018-11-15 10:45:33 -08:00
Matt Guthaus 21d111acfe Move wordline driver clock line below decoder. Fix port 1 clock route DRC. 2018-11-15 10:30:38 -08:00
Hunter Nichols 6e47de3f9b Separated relative delay into rise/fall. 2018-11-14 23:34:53 -08:00
Matt Guthaus 66982a9283 Only add second port if it is specified. 2018-11-14 17:11:23 -08:00
Matt Guthaus 2fd86958a8 Merge branch 'multiport_layout' of ssh://scone/home/mrg/openram into multiport_layout 2018-11-14 17:07:01 -08:00
Matt Guthaus 3cfefa784f Fix run-time bug in combine adjacent pins for supply router 2018-11-14 17:06:12 -08:00
Matt Guthaus 3221d3e744 Add initial support and unit tests for 2 port SRAM 2018-11-14 17:05:23 -08:00
Hunter Nichols e9f6566e59 Fixed merge conflict, moved control logic mod instantiation, removed some commented out code. 2018-11-14 13:53:27 -08:00
Matt Guthaus 6ac5adaeca Separate multiport replica bitline from regular replica bitline test 2018-11-14 11:41:09 -08:00
Matt Guthaus 2f6300c7a0 Fix date/time formatting to remove fraction seconds. 2018-11-14 10:31:33 -08:00
Matt Guthaus 18d874a96a Fix error in iterative implementation of combine_classes 2018-11-14 10:05:04 -08:00
Hunter Nichols 8b6a28b6fd Changed scmos bitcell 1rw,1r to have same tx widths as pbitcell. 2018-11-13 22:24:18 -08:00
Matt Guthaus 4ebb8a26c4 Disable debug statements. 2018-11-13 17:43:08 -08:00
Matt Guthaus ddb4cabfe1 Change recursive equivalence class detection to iterative. 2018-11-13 17:42:06 -08:00
Matt Guthaus ff0a7851b7 Fix error when DRC is disabled so it doesn't initialize. 2018-11-13 17:41:32 -08:00
Jesse Cirimelli-Low fa27d647d2 Flask directory upload POC, embed datasheet.info in html comment for parser reuse 2018-11-13 17:29:43 -08:00
Matt Guthaus ce74827f24 Add new option to enable inline checks at each level of hierarchy. Default is off. 2018-11-13 16:51:19 -08:00
Matt Guthaus 01ceedb348 Only check number of ports when doing layout. 2018-11-13 16:42:25 -08:00
Matt Guthaus bc7e74f571 Add multiport bank test 2018-11-13 16:06:21 -08:00
Matt Guthaus aa779a7f82 Initial two port bank in SCMOS 2018-11-13 16:05:22 -08:00
Jennifer Sowash b6f1409fb9 Testing to ensure branch is up to date with dev. Added 04_pbuf_test.py and made changes to pbuf.py to align with comments. 2018-11-12 13:24:27 -08:00
Jennifer Sowash b366d88041 Merge branch 'dev' into pdriver 2018-11-12 11:30:37 -08:00
Jennifer Sowash 82abd32785 Added pbuf.py to create a single buffer. 2018-11-12 09:53:21 -08:00
Hunter Nichols 6f6d45f025 Merge branch 'dev' into multiport_characterization 2018-11-11 23:47:49 -08:00
Matt Guthaus 732f35a362 Change channel router to route from bottom up to simplify code. 2018-11-11 12:25:53 -08:00
Matt Guthaus 791d74f63a Fix wrong exception handling that depended on order. Replaced with if/else instead. 2018-11-11 12:02:42 -08:00
Jesse Cirimelli-Low 0dd97e54dd reverted css to UCSC colors, fixed header styling, added placeholder openram logo 2018-11-11 09:27:07 -08:00
Jesse Cirimelli-Low 4227a7886a Merge branch 'dev' into datasheet_gen 2018-11-11 07:27:42 -08:00
Jesse Cirimelli-Low 91a63fb5c2 Merge branch 'dev' 2018-11-11 07:24:03 -08:00
Jesse Cirimelli-Low 5c4ee911aa added another VLSI logo and fixed control port numbering 2018-11-11 07:22:13 -08:00
Jesse Cirimelli-Low aadf160ce4 added missing space in sheet 2018-11-11 06:05:14 -08:00
Jesse Cirimelli-Low 4ba07e4b94 Complete rewrite of parser, all ports (except clock) added on multiport sheets 2018-11-10 20:23:26 -08:00
Matt Guthaus 5cbbd5e4ca Comment out regress CI debug code 2018-11-10 13:44:36 -08:00
Matt Guthaus 6c17734712 Add testutil archive on failed tests for debug 2018-11-10 11:54:28 -08:00
Jesse Cirimelli-Low 62f8d26ec6 Merge branch 'dev' into datasheet_gen 2018-11-10 10:58:35 -08:00
Matt Guthaus 65b6bfd5e7 Change os to shutils 2018-11-10 10:06:33 -08:00
Matt Guthaus 3b6b93e2ca Save gds file in testutils when fail to figure out randomness in regression CI 2018-11-10 10:05:27 -08:00
Hunter Nichols bad55cfd05 Merged with dev. Fixed merge conflict. 2018-11-09 17:18:19 -08:00
Hunter Nichols ea1a1c7705 Added delay chain resizing based on analytical delay. 2018-11-09 17:14:52 -08:00
Matt Guthaus 550d5cc729 Fix path to config file in test 30 2018-11-09 16:33:08 -08:00
Matt Guthaus de61630962 Expand blocked pins to neighbor grid cells. 2018-11-09 14:25:10 -08:00
Matt Guthaus c5b408ae2d Add router output message 2018-11-09 11:10:40 -08:00
Matt Guthaus c01effc819 Adjust ptx positions in precharge to be under the bl rail 2018-11-09 10:26:15 -08:00
Matt Guthaus ac7229f8d3 Move vdd pin in precharge inside cell 2018-11-09 10:11:24 -08:00
Matt Guthaus cc619084c7 Clean up psingle_bank_test 2018-11-09 09:34:34 -08:00
Matt Guthaus 21f5fb0870 precharge bl is on metal2 only. simplify via position code. 2018-11-09 09:11:00 -08:00
Matt Guthaus 6aff552c0a Merge branch 'multiport_layout' of https://github.com/VLSIDA/PrivateRAM into multiport_layout 2018-11-09 08:53:27 -08:00
Matt Guthaus 8f3fa0e2f6 Fix blocked pin debug output. 2018-11-09 08:52:05 -08:00
Hunter Nichols 8957c556db Added sense amp enable delay calculation. 2018-11-08 23:54:18 -08:00
Hunter Nichols b8061d3a4e Added initial code for determining the logical effort delay of the wordline. 2018-11-08 23:54:18 -08:00
Jesse Cirimelli-Low d6c0247ff2 added area to datasheet 2018-11-08 21:30:17 -08:00
Jesse Cirimelli-Low 30bffdf1b4 Merge branch 'dev' into datasheet_gen 2018-11-08 19:26:00 -08:00
Matt Guthaus 9c8d5395ff Update leakage data for scn4m 2018-11-08 18:16:01 -08:00
Matt Guthaus 31eff6f24e Merge branch 'dev' into multiport_layout 2018-11-08 18:00:28 -08:00
Matt Guthaus 5d684b02e0 Leakage changed in ngspice test. 2018-11-08 18:00:09 -08:00
Matt Guthaus 71177d0b70 Fixed small bugs with new port index stuff and layout. 2018-11-08 17:40:22 -08:00
Matt Guthaus d03c9d5294 Fix write bl name list in replica bitline 2018-11-08 17:02:20 -08:00
Matt Guthaus fd5cd675ac Horizontal increments top down. 2018-11-08 17:01:57 -08:00
Matt Guthaus 18fbf30b46 Convert col decoder select routing to channel route. 2018-11-08 16:53:58 -08:00
Matt Guthaus e28978180f Vertical channel routes go from left right. Horizontal go bottom up. 2018-11-08 16:49:02 -08:00
Matt Guthaus ef2ed9a92c Simplify bl and br name lists. 2018-11-08 15:48:49 -08:00
Matt Guthaus 5d733154e9 Refactor bank to allow easier multiport. 2018-11-08 15:18:51 -08:00
Matt Guthaus 7b10e3bfec Convert port index lists to three simple lists. 2018-11-08 12:19:40 -08:00
Matt Guthaus b25650eb07 Netlist only mode for ngspice delay test 2018-11-08 12:19:06 -08:00