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OpenRAM
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961 Commits

Author SHA1 Message Date
Jesse Cirimelli-Low 1a894a99dd push bias pins to top level power routing 2021-05-28 13:41:58 -07:00
Jesse Cirimelli-Low f9eae3fb80 route bias pisn 2021-05-24 02:42:04 -07:00
mrg 3abebe4068 Add hierarchical seperator option to work with Xyce measurements. 2021-05-14 16:16:25 -07:00
Jesse Cirimelli-Low 0ba229afe5 Merge branch 'dev' into laptop_checkpoint 2021-05-07 19:06:17 -07:00
Jesse Cirimelli-Low 6d8411d19f use consistent amp spacing 2021-05-07 11:29:43 -07:00
mrg e995e61ea4 Fix Verilog module typo. Adjust RBL route. 2021-05-06 14:32:47 -07:00
mrg c057490923 Delay chain should have same height cells as control logic to align supplies. 2021-05-05 15:45:28 -07:00
mrg f677c8a88d Fix predecoder offset after relocating bank offset 2021-05-05 14:44:05 -07:00
mrg 120c4de5ad Fix placement of delay chain to align with control logic rows. 2021-05-05 14:21:53 -07:00
mrg 19ea33d43d Move delay line module down. 2021-05-04 16:42:42 -07:00
Jesse Cirimelli-Low 1b53d12df2 don't double count spare col 2021-05-04 01:52:51 -07:00
Jesse Cirimelli-Low d0e9de1f13 fix port data spare col 2021-05-04 00:41:20 -07:00
Jesse Cirimelli-Low 93b264bc4c allow spare col number override 2021-05-03 21:59:05 -07:00
Jesse Cirimelli-Low 14e087a5eb offset bank coordinates 2021-05-03 15:51:53 -07:00
Jesse Cirimelli-Low 4377619bf6 fixed port_data typo 2021-05-03 14:39:51 -07:00
Jesse Cirimelli-Low d3199ea70e Merge branch 'dev' into laptop_checkpoint 2021-05-03 12:53:31 -07:00
Jesse Cirimelli-Low 3a3da9e0d7 56 drc errors on col mux 1port 2021-05-02 21:49:09 -07:00
mrg fc6e6e1ec7 Add via when write driver supply is different layer 2021-04-28 15:16:26 -07:00
mrg 03e0c14ab2 Move write driver supply to m1 rather than pin layer 2021-04-28 10:13:33 -07:00
Jesse Cirimelli-Low 33e8bce79d dynamic predecode working 2021-04-25 01:22:36 -07:00
Jesse Cirimelli-Low 6ea4bdc5e5 Merge branch 'dev' into laptop_checkpoint 2021-04-23 22:50:23 -07:00
Jesse Cirimelli-Low 4ea0fcd068 support multi cell wide precharge cells 2021-04-23 22:49:29 -07:00
mrg 35fcb3f631 Abstracted LEF added. Params for array wordline layers. 2021-04-22 09:44:25 -07:00
mrg 15b0583ff2 Add custom parameter for wordline layer 2021-04-22 09:42:49 -07:00
mrg 419836411c Fix missing via for global wordlines. 2021-04-21 11:33:18 -07:00
mrg f45efe3db6 Abstracted LEF added. Params for array wordline layers. 2021-04-21 11:04:01 -07:00
mrg 584349c911 Add custom parameter for wordline layer 2021-04-21 11:04:01 -07:00
mrg 439003e203 Respect the bus spacing parameter in predecoder. 2021-04-19 10:51:16 -07:00
Jesse Cirimelli-Low e976c4043b Merge branch 'dev' into laptop_checkpoint 2021-04-14 15:58:06 -07:00
Jesse Cirimelli-Low 2f1d7b879f make bank compatable with sky130 2021-04-14 15:09:25 -07:00
mrg d609e4ea04 Reimplement trim options (except on unit tests). 
Allow trim netlist to be used for delay and functional simulation.
Each class implements a "trim_insts" set of instances that can be removed.
By default far left, right, top and bottom cells in the bitcell arrays are kept.

Use lvs option in sp_write

Fix lvs option in sram.
 2021-04-07 16:07:56 -07:00
mrg 31d3e6cb26 Change LWL layers 2021-04-07 16:07:56 -07:00
mrg 6e2f60353c Add wells to driver stages. Remove unnecessary height/center in control logic. 2021-03-25 10:00:24 -07:00
mrg 4a40e96f6d Control logic route changes. 
Move wl_en to top control signal.
Route wl_en directly to port_address.
Reorder input bus to bank.
 2021-03-24 14:32:10 -07:00
mrg 671470f5f2 Skywater changes. 
Default 1 thread and no temp subdirectory.
Add skywater setup/hold golden data
Add CLI option for simulation threads (-m)
Add compatibility mode option and nomodcheck for ngspice to speed up sky130 model loading.
Make subdir when using default /tmp dir.
Pass num_threads so temp subdirs are created.
 2021-03-22 15:48:14 -07:00
mrg b6f3fbdd1f Use OPTS.precharge instead of hard coded precharge. 2021-03-15 09:44:14 -07:00
mrg 1c6de4591d Remove vertical power pin vias. 2021-02-23 13:32:00 -08:00
Matt Guthaus 30fc81a1f0 Update copyright year. 2021-01-22 11:23:28 -08:00
mrg 3ef56a29ea Bug fix 2021-01-13 13:56:22 -08:00
mrg bc9ab086e5 Clean up imports 2021-01-13 13:01:33 -08:00
mrg 01d312d65c Refactor add power pins 2021-01-13 10:57:12 -08:00
mrg 4fc0357282 Small readability edit to dff_buf 2021-01-04 13:16:23 -08:00
mrg 946ad66e7a Make width based on bitcell offsets, not number of columns 2020-12-18 09:22:10 -08:00
mrg 29880a0b5a Write mask and array supply pins on the ends 2020-12-17 15:25:19 -08:00
mrg e6ff73dbc1 Move supply pins for wmask and array to edge to avoid channel route congestion 2020-12-17 11:48:08 -08:00
mrg da48b8d98c Fix replica column bit index 2020-12-14 14:18:39 -08:00
mrg 47cc4cbfca Remove extra debug statement 2020-12-08 11:55:53 -08:00
mrg 0100ae57a3 Fix mirror with odd number of rows 2020-12-08 10:31:22 -08:00
mrg bad1274bdb Use internal name for col/row caps. gds ordered read enabled. 2020-12-03 10:03:47 -08:00
mrg 705d8e3105 Fix wrong via starting layer 2020-12-01 17:12:35 -08:00
mrg 583a70c24e Fix select layer for column mux array 2020-12-01 15:20:44 -08:00
mrg a31e0dab02 Remove via-to-via path width hack 2020-12-01 13:27:32 -08:00
mrg a5b5f7c22b Change layer away from wordlines 2020-12-01 11:33:55 -08:00
mrg 3829213afe Use and2_dec instead of buf_dec for better wldriver layout 2020-12-01 11:19:12 -08:00
mrg 4e10f6d8a6 Make cell/bitcell custom cell external accessible. 2020-11-24 12:01:00 -08:00
mrg 5ee3f4cc66 Many edits. 
Use internal vdd/gnd names.
Refactor getters in bitcell to base class.
Add BIAS signal type.
 2020-11-22 08:24:47 -08:00
mrg aa03eec943 Fix syntax error. 2020-11-21 07:16:45 -08:00
mrg 4c75bc003e Fix bounding box of replica array to include wordline grounds. 2020-11-21 07:03:59 -08:00
mrg 718c327527 Fix iteration bug with new type 2020-11-20 17:33:15 -08:00
mrg f729e9fca7 Fix new replica_bitcell_array refactor with end caps. Remove single port end cap exceptions. 2020-11-20 16:56:07 -08:00
mrg 27a652ac1b Fix bounding box of cap arrays 2020-11-20 16:54:53 -08:00
mrg 033111a5f3 Default to no hierarchical word lines. 2020-11-19 10:48:35 -08:00
mrg 86799ae3ff Small bug fixes related to new name mapping. 2020-11-16 13:42:42 -08:00
mrg 1d729e8f02 Move pin name mapping to layout class. 2020-11-16 11:04:03 -08:00
mrg 93e94e26ec Get vdd/gnd from properties if it is defined. 2020-11-16 10:14:37 -08:00
mrg 2f994b8c0a Change custom cells to use set_ports setter 2020-11-14 07:15:27 -08:00
mrg 1624d50ca9 Fix props bug again. 2020-11-13 20:35:19 -08:00
mrg e9420d57c2 Fix missing attributes 2020-11-13 19:04:26 -08:00
mrg a2b17a271c Port type order generated on the fly 2020-11-13 16:41:02 -08:00
mrg 01d191da40 clk_pin is redundant in DFFs 2020-11-13 16:23:27 -08:00
mrg 620e271562 Fix various typos and errors 2020-11-13 16:04:07 -08:00
mrg 8021430122 Fix pbitcell erros 2020-11-13 15:55:55 -08:00
mrg c472a94f1e Rework bitcells. 
Name them 1port and 2port consistently.
Allow cell overrides to cell_1rw and cell_2rw or other.
Will use 2rw for 1rw/1r, 2rw, 1w/1r, etc.
 2020-11-13 10:07:40 -08:00
mrg bdda7c4f5f Add bl/br pins to dummy array 2020-11-12 12:38:09 -08:00
mrg 8be1436d51 Use OPTS.bitcell everywhere 2020-11-05 16:55:08 -08:00
mrg 1890385be1 Use custom cells when needed. 2020-11-03 11:58:25 -08:00
mrg cb3e9517bb Use cell_properties to override cell names 2020-11-03 07:06:01 -08:00
mrg da721a677d Remove EOL whitespace globally 2020-11-03 06:29:17 -08:00
mrg fa89b73ef8 PR from mithro + other changable GDS file names 2020-11-02 16:00:16 -08:00
mrg 857f5cb136 Fix copy pasta: decoder to predecode 2020-10-28 15:46:10 -07:00
mrg 00cb8a28d9 Fix supply layer query 2020-10-28 10:36:13 -07:00
mrg acfec369d6 Add ptx cell properties 2020-10-28 09:54:15 -07:00
mrg 25495f3d94 getattr for bank parameters 2020-10-28 09:21:36 -07:00
mrg 611a4155b9 Add initial custom layer properties. 2020-10-27 15:11:04 -07:00
mrg dc991cbcab Use pin of pgate to figure out supply layer. 2020-10-26 15:54:16 -07:00
mrg 38ba5fc10d Use pin of pgate to figure out supply layer. 2020-10-26 15:53:22 -07:00
mrg 804814d18d Add bitlines to dummy modules 2020-10-16 13:43:56 -07:00
mrg 20be7caf98 Make conditional wl and bl for dummy rows/cols. 2020-10-15 13:56:37 -07:00
mrg 6a1f12b62d Refactored to utilize OOP 2020-10-13 11:07:31 -07:00
mrg 68d74737f7 Different bitcell and array supply pins 2020-10-13 07:41:21 -07:00
jcirimel 05667d784f move sky130 specific stuff to tech module lib 2020-10-13 04:48:10 -07:00
mrg c3d6be27be Fix argument name bug for remove wordlines 2020-10-08 16:58:38 -07:00
mrg 8d5db50062 Fix missing update for left RBL offset 2020-10-08 16:40:53 -07:00
mrg b0b15e8151 Fix indent bug that failed to create rbl wl pin labels. 2020-10-08 15:28:01 -07:00
mrg 01fe02bd90 Fixes to replica bitline array. 
Copy pasta error for right dummy column offset.
Put end_caps in try/except block.
PEP 8 formatting
 2020-10-08 14:53:44 -07:00
jcirimel 1e7ae06b7e fix extra wl in col end, work on bring wl pins out to row end array, TODO: mirror alternating row end 2020-10-08 05:32:03 -07:00
jcirimel d40c3588ed no wl for col end 2020-10-08 03:34:16 -07:00
jcirimel 4a1a7e637e merge in dev 2020-10-07 11:54:07 -07:00
mrg 483f6b187c RBL driver supply location differs for sky130 and other techs 2020-10-06 16:47:32 -07:00
mrg c2629edc1b Allow 16-way column mux 2020-10-06 16:27:02 -07:00
jcirimel 13e2a9f5f7 fix missed self.left_rbl refactor 2020-10-06 05:11:15 -07:00
jcirimel 888646cdf9 merge in wlbuf and begin work on 32kb memory 2020-10-06 05:03:59 -07:00
mrg da83824a70 Merge branch 'wlbuffer' into dev 2020-10-05 15:33:54 -07:00
mrg 4a58f09c1c Use 4x16 decoder with dual port bitcell in tests. 2020-10-05 10:52:56 -07:00
mrg c06b02e6fc Rename single_level_column_mux to just column_mux 2020-10-05 08:56:51 -07:00
mrg f8146e3f69 Add decoder4x16 2020-10-02 15:52:09 -07:00
mrg 8ce23d7f17 Provide unique WL driver instance name 2020-10-01 07:17:32 -07:00
Matt Guthaus 112d57d90a Enable riscv tests 2020-09-30 12:39:40 -07:00
mrg f4e6a8895b Update riscv unit test 2020-09-30 08:50:58 -07:00
jcirimel 7cbf456a4f sky130 rba done 2020-09-30 07:34:05 -07:00
mrg b147e8485c PEP8 formatting 2020-09-29 16:52:27 -07:00
mrg 066570bfeb Fix length of write driver 2020-09-29 16:51:55 -07:00
mrg 449a4c2660 Exclude bitcells in other local areas not of interest 2020-09-29 12:15:42 -07:00
mrg d7e2340e62 Lots of PEP8 cleanup. Refactor path graph to simulation class. 2020-09-29 10:26:31 -07:00
mrg b2dab486fc Add draft of path exclusion calls 2020-09-28 16:05:21 -07:00
mrg 4a987bef9a Merge branch 'wlbuffer' into dev 2020-09-28 15:51:45 -07:00
mrg 159c04a25d Merge branch 'dev' of github.com:VLSIDA/PrivateRAM into dev 2020-09-28 15:51:35 -07:00
mrg 70c90ca7fb Replica bitcell array bbox to include unused WL gnd pins. 2020-09-28 14:49:33 -07:00
mrg 9c6d8d7aed Zjob to bottom. 2020-09-28 13:16:03 -07:00
mrg 5ab0d01779 Remove zjog and go with L shape. 2020-09-28 12:48:37 -07:00
mrg d65eb16513 Zjog the WL enable. Min driver is 1. 2020-09-28 12:24:55 -07:00
mrg 6f06bb9dd5 Create sized RBL WL driver in port_address 2020-09-28 11:30:21 -07:00
mrg 88731ccd8e Fix rounding error for wmask with various word_size 2020-09-28 09:53:01 -07:00
jcirimel 3dd72cdeac progress with rba pin mismatch 2020-09-23 08:37:32 -07:00
jcirimel 17e6e5eb16 row end col done 2020-09-23 08:02:56 -07:00
jcirimel 5c263e0001 rep col done w/o power pins 2020-09-23 06:24:52 -07:00
jcirimel 7afe3ea52c replica col arrangement done 2020-09-23 04:51:09 -07:00
jcirimel efdc171b14 make split wl specific to each port 2020-09-23 00:08:34 -07:00
jcirimel fb6a665514 removed references to technology name 2020-09-22 18:33:03 -07:00
jcirimel de33ab3761 fix single port bitcell pattern 2020-09-22 15:08:53 -07:00
mrg c7d32089f3 Create RBL wordline buffer with correct polarity. 2020-09-17 14:45:49 -07:00
jcirimel 559dfbc7a6 single port bitcell array done 2020-09-16 05:46:14 -07:00
mrg e7ad22ff69 Separate WL via from bitell array to avoid grounded WLs 2020-09-15 13:38:28 -07:00
mrg 5e94d76127 Make global bitline only as wide as needed rather than whole array 2020-09-15 13:24:38 -07:00
mrg aff3cd2aab Update length of control bus 2020-09-15 09:49:00 -07:00
jcirimel d22164bd48 single port progess 2020-09-14 18:11:38 -07:00
mrg f25b6ffa61 Make control bus height of port data 2020-09-14 15:42:17 -07:00
mrg 7b24d1f012 Use pins for write_driver dimensions 2020-09-14 14:42:28 -07:00
mrg 55dd4d0c47 Global bitcell array working 2020-09-14 14:35:52 -07:00
mrg deaaec1ede Fix width of write enable with spare columns 2020-09-14 13:09:45 -07:00
mrg c12720a93f Extend pin correct length in new array. 2020-09-14 12:53:59 -07:00
mrg e95ab66916 Update to space according to the bitcell array. 2020-09-14 12:05:45 -07:00
mrg 4482c63d6f Fix sense amp offset index error 2020-09-11 17:12:29 -07:00
mrg 8909ad7165 Update modules to use variable bit offsets. 
Bitcell arrays can return the bit offsets.
Port data and submodules can use offsets for spacing.
Default spacing for port data if no offsets given.
 2020-09-11 15:36:22 -07:00
mrg c58741c44f Updates to global array. 
Standardize bitcell array main array offsets.
Duplicate replica interface pins in global interface pins.
 2020-09-10 16:44:54 -07:00
mrg 9c762634a5 Change default options for replica_bitcell_array 2020-09-10 15:11:48 -07:00
mrg 71d86f88b0 Merge branch 'dev' into wlbuffer 2020-09-10 13:05:14 -07:00
mrg f2313d0c73 Use default names for replica_column too 2020-09-10 12:04:46 -07:00
mrg 3c0707e5d1 Consistents of bl x port then br x port 2020-09-09 13:38:13 -07:00
mrg 3062aba214 Fix update to exclude bits with RBLs 2020-09-09 13:03:05 -07:00