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OpenRAM
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202 Commits

Author SHA1 Message Date
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
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 bea07c2319 SRAM with RBL integration in array. 2019-07-16 09:04:58 -07:00
mrg e550d6ff10 Port name maps between bank and replica array working. 2019-07-15 11:29:29 -07:00
mrg a189b325ed Merge remote-tracking branch 'origin/dev' into rbl_revamp 2019-07-12 11:10:07 -07:00
mrg 043018e8ba Functional tests working with new RBL. 2019-07-12 08:42:36 -07:00
mrg 0b13225913 Single banks working with new RBL 2019-07-11 14:47:27 -07:00
mrg b841fd7ce3 Replica bitcell array with arbitrary RBLs working 2019-07-10 15:56:51 -07:00
mrg 9dab0be737 Single bank working with replica array. 2019-07-05 13:44:29 -07:00
mrg b9d993c88b Add dummy bitcell module. 
Modify bitcell logic to guess if bitcell is not "bitcell"
No longer need to specify replica (and dummy) bitcell explicitly
Add support for 1 or 2 port replica array.
 2019-07-05 12:58:52 -07:00
jsowash f29631695c Finished merge 2019-07-05 11:43:31 -07:00
mrg bfe4213fce Port address added to entire SRAM. 2019-07-05 09:44:42 -07:00
mrg c0f9cdbc12 Create port address module 2019-07-05 09:03:52 -07:00
jsowash 02a0cd71ac fixed merge conflict 2019-07-04 11:14:32 -07:00
Matt Guthaus 0cb86b8ba2 Exclude new precharge in graph build 2019-07-03 14:46:20 -07:00
mrg 8b0b2e2817 Merge branch 'dev' into rbl_revamp 2019-07-03 14:05:28 -07:00
mrg bc4a3ee2b7 New port_data module works in SCMOS 2019-07-03 13:17:12 -07:00
mrg 244604fb0d Data port module working by itself. 2019-07-02 15:35:53 -07:00
mrg 2abe859df1 Fix shared bank offset. 2019-07-01 16:29:59 -07:00
jsowash 242771f710 Merge branch 'dev' into add_wmask 2019-06-28 15:44:27 -07:00
jsowash 1f76afd294 Begin wmask functionality. Added wmask to verilog file and config parameters. 2019-06-28 15:43:09 -07:00
Hunter Nichols ce7e320505 Undid change to add bitcell as input to array mod. 2019-06-25 18:26:13 -07:00
Hunter Nichols 4e08e2da87 Merged and fixed conflicts with dev 2019-06-25 16:55:50 -07:00
mrg 4523a7b9f6 Replica bitcell array working 2019-06-19 16:03:21 -07:00
Hunter Nichols 2b07db33c8 Added bitcell as input to array, but there are DRC errors now. 2019-06-17 15:31:16 -07:00
Matt Guthaus 6e044b776f Merge branch 'pep8_cleanup' into dev 2019-06-14 08:47:10 -07:00
Matt Guthaus a234b0af88 Fix space before comment 2019-06-14 08:43:41 -07:00
mrg fc12ea24e9 Add boundary to every module and pgate for visual debug. 2019-06-03 15:27:37 -07:00
mrg 301f032619 Remove +1 to induce error. 2019-05-31 10:55:17 -07:00
mrg d789f93743 Add debug runner during individual tests. 2019-05-31 10:51:42 -07:00
Hunter Nichols 099bc4e258 Added bitcell check to storage nodes. 2019-05-20 18:35:52 -07:00
Hunter Nichols d8617acff2 Merged with dev 2019-05-15 18:48:00 -07:00
Matt Guthaus 0f03553689 Update copyright to correct years. 2019-05-06 06:50:15 -07:00
Matt Guthaus 3f9a987e51 Update copyright. Add header to all OpenRAM files. 2019-04-26 12:33:53 -07:00
Hunter Nichols e292767166 Added graph creation and functions in base class and lower level modules. 2019-04-24 14:23:22 -07:00
Matt Guthaus be20408fb2 Rewrite add_contact to use layer directions. 2019-04-15 18:00:36 -07:00
Hunter Nichols a500d7ee3d Adjusted bitcell analytical delays for multiport cells. 2019-04-09 02:49:52 -07:00
Hunter Nichols 25c034f85d Added more accurate bitline delay capacitance estimations 2019-04-09 01:56:32 -07:00
Hunter Nichols cc5b347f42 Added analyical model test which compares measured delay to model delay. 2019-04-03 16:26:20 -07:00
Hunter Nichols f6eefc1728 Added updated analytical characterization with combined models 2019-04-02 01:09:31 -07:00
Hunter Nichols 0e96648211 Added linear corner factors in analytical delay model. 2019-03-04 00:42:18 -08:00
Matt Guthaus 881c449c7c Fix error in offset computation for right drivers 2019-01-28 07:53:36 -08:00
Matt Guthaus c4438584fe Move jog for wl to mid-cells rather than mid-pins. 2019-01-27 12:59:02 -08:00
Matt Guthaus 8f56953af0 Convert wordline driver to use sized pdriver 2019-01-24 10:20:23 -08:00
Matt Guthaus b58fd03083 Change pbuf/pinv to pdriver in control logic. 2019-01-23 12:03:52 -08:00
Matt Guthaus a418431a42 First draft of sram_factory code 2019-01-16 16:15:38 -08:00
Hunter Nichols ea55bda493 Changed s_en delay calculation based recent control logic changes. 2018-12-05 17:10:11 -08:00
Hunter Nichols 722bc907c4 Merged with dev. Fixed conflicts in tests. 2018-12-02 23:09:00 -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 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
Matt Guthaus a2a9cea37e Make column decoder same height as control to control and supply overlaps 2018-11-28 16:59:58 -08:00
Matt Guthaus d99dcd33e2 Fix SRAM level control routing errors. 2018-11-28 15:30:52 -08:00
Matt Guthaus b5b691b73d Fix missing via in clk input of control 2018-11-28 13:20:39 -08:00
Matt Guthaus c43a140b5e All control routed and DRC clean. LVS errors. 2018-11-27 17:18:03 -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 cf23eacd0e Add wl_en 2018-11-26 18:00:59 -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
Hunter Nichols 62cbbca852 Merged, fixed conflict bt matching control logic creation to dev. 2018-11-19 22:20:20 -08:00
Hunter Nichols e8f1c19af6 Merge branch 'dev' into multiport_characterization 2018-11-19 15:42:48 -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
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 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
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 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 01ceedb348 Only check number of ports when doing layout. 2018-11-13 16:42:25 -08:00
Matt Guthaus aa779a7f82 Initial two port bank in SCMOS 2018-11-13 16:05:22 -08:00
Hunter Nichols bad55cfd05 Merged with dev. Fixed merge conflict. 2018-11-09 17:18:19 -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
Matt Guthaus 71177d0b70 Fixed small bugs with new port index stuff and layout. 2018-11-08 17:40:22 -08:00
Matt Guthaus 18fbf30b46 Convert col decoder select routing to channel route. 2018-11-08 16:53:58 -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
Hunter Nichols 98a00f985b Changed the analytical delay model to accept multiport options. Little substance to the values generated. 2018-10-26 00:08:13 -07:00
Hunter Nichols 016604f846 Fixed spacing in golden lib files. Added column mux into analytical model. 2018-10-24 00:16:26 -07:00
Matt Guthaus ce8c2d983d Update all drc usages to call function type 2018-10-12 14:37:51 -07:00
Matt Guthaus a094db9077 Merge branch 'multiport' into supply_routing 2018-10-11 09:56:38 -07:00
Matt Guthaus e22e658090 Converted all submodules to use _bit notation instead of [bit] 2018-10-11 09:53:08 -07:00
Matt Guthaus 6bbf66d55b Rewrote pin enclosure code to better address off grid pins. 
Include only maximal pin enclosure shapes.
Add smallest area connector for off grid pins.
Fix decoder to use add_power_pin code.
Change permissions.
 2018-10-10 15:15:58 -07:00
Matt Guthaus a2b1d025ab Merge multiport 2018-10-08 11:45:50 -07:00
Matt Guthaus 3244e01ca1 Add copy power pin function 2018-10-08 09:56:39 -07:00
Michael Timothy Grimes e258199fa3 Removing we_b signal from write ports since it is redundant. 2018-10-04 09:31:04 -07:00
Michael Timothy Grimes a71486e22f Adding mutliport constants to design.py to reduce the need for copied code across multiple modules. 2018-09-28 00:11:39 -07:00
Michael Timothy Grimes 1ca0154027 Editting top level netlist for multiport. Now there are multiple control logic modules, one per port. Since diffent ports are driven by different clocks, also separating dff modules, one per port. 2018-09-26 19:10:24 -07:00
Michael Timothy Grimes 648e57d195 Altering bank select for port specific use. Altering bank select test to test different port types. Altering bank for control signal changes. 2018-09-26 14:53:55 -07:00
Michael Timothy Grimes fc5f163828 Merge branch 'dev' of https://github.com/VLSIDA/PrivateRAM into multiport 2018-09-18 18:56:15 -07:00
Michael Timothy Grimes 332976dd73 s_en will be shared amongst the sense amps of different ports, so I'm removing the distinct s_en signals from several modules. 2018-09-13 18:46:43 -07:00
Matt Guthaus 3539887ee4 Updating ms_flop removal. 
Updated characterizer for dff.
Added new setup/hold results for dff instead of ms_flop.
Removed ms_flop references in sram-base.
Fixed syntax errors in SCN3ME tech file.
 2018-09-13 11:40:24 -07:00
Michael Timothy Grimes 27427d4192 Bank level layout now works with pbitcell and 1RW. Column mux and array have been altered to accomodate multiport. Multiport changes to wordline driver were removed because they were unnecessary. 2018-09-09 22:06:29 -07:00