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OpenRAM
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93 Commits

Author SHA1 Message Date
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
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
Matt Guthaus 3221d3e744 Add initial support and unit tests for 2 port SRAM 2018-11-14 17:05:23 -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
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
Michael Timothy Grimes 68c00d7467 Removing din and dout list names in exchange for a read index. Write ports will always be in order (they will not skip numbers. Read ports however will skip the numbers assigned to wirte ports so the index of the read ports must be tracked. 2018-09-09 14:14:26 -07:00
Michael Timothy Grimes 1429b9ab1a Commiting working version of multi-port that can generate a netlist on the sram level. Changes that will clean up the code are forthcoming. 2018-09-09 14:00:51 -07:00
Matt Guthaus 19c0e1638b Merge remote-tracking branch 'origin/multiport' into multiport 2018-09-04 10:47:55 -07:00
Matt Guthaus a346bddd88 Cleanup some items with new sram_config. Update unit tests accordingly. 2018-09-04 10:47:24 -07:00
Michael Timothy Grimes af0756382f Merging changes and updating multiport syntax across several tests 2018-09-03 19:36:20 -07:00
Michael Timothy Grimes 1e5924d1b7 Adding multiported bank_sel pins 2018-09-03 17:35:00 -07:00
Matt Guthaus 563ff77d44 Add sram_config class. Rename port variables for better description. 2018-08-31 12:03:28 -07:00
Matt Guthaus e17c69be3e Clean up new code for add_modules, add_pins and netlist/layouts. 2018-08-28 10:24:09 -07:00
Matt Guthaus 6401cbf2a6 Move place function to instance class rather than hierarchy. 2018-08-27 17:25:39 -07:00