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OpenRAM
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37 Commits

Author SHA1 Message Date
Matt Guthaus ed28b4983b Clean up and generalize layer rules. 
Convert metalN to mN.
Generalize helper constants in modules for
space, width, enclose, etc.
Use layer stacks whever possible.
Try to remove drc() calls in liu of helper constants.
 2019-12-17 11:03:36 -08:00
Matt Guthaus e143a6033f Use layer stacks from tech file in design class and throughout 2019-12-13 14:13:41 -08:00
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 9f54afbf2c Fix capitalization in verilog golden files 2019-08-21 14:29:57 -07:00
Matt Guthaus 53d0544291 Minor cleanup and additional assertion checking. 2019-08-21 08:50:12 -07:00
jsowash aa4803f3c4 Increased enable pin's width for larger # of column mux ways. 2019-08-11 15:25:05 -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
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
jsowash 9409f60237 Merge branch 'dev' into add_wmask 2019-08-07 09:42:55 -07:00
jsowash a6bb410560 Begin implementing a write mask layout as the port data level. 2019-08-07 09:12:21 -07:00
Matt Guthaus ad35f8745e Add direction to pins of all modules 2019-08-06 14:14:09 -07:00
jsowash 774f08da51 Added layout pins to and test for write_mask_and_array. 2019-07-31 14:11:37 -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 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
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
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
Matt Guthaus 0c3baa5172 Added some comments to the spice files. 2019-01-25 15:00:00 -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
Matt Guthaus b912f289a6 Remove extra X in instance names 2018-11-27 12:02:53 -08:00
Matt Guthaus ce8c2d983d Update all drc usages to call function type 2018-10-12 14:37:51 -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 6963a1092f Make bitcell width/height not static. Update modules to use it for pbitcell. 2018-09-04 11:55:22 -07:00
Michael Timothy Grimes f3cca7eea0 Altering sense amp array and write driver array so spacing between amps/drivers accomodates multiport. Also altering sense amp array and write driver array tests to include multiport cases. 2018-08-31 23:28:06 -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
Matt Guthaus 0daad338e4 All modules have split netlist/layout. 2018-08-27 11:13:34 -07:00
Matt Guthaus f34c4eb7dc Convert entire OpenRAM to use python3. Works with Python 3.6. 
Major changes:
Remove mpmath library and use numpy instead.
Convert bytes to new bytearrays.
Fix class name check for duplicate gds instances.
Add explicit integer conversion from floats.
Fix importlib reload from importlib library
Fix new key/index syntax issues.
Fix filter and map conversion to lists.
Fix deprecation warnings.
Fix Circuits vs Netlist in Magic LVS results.
Fix file closing warnings.
 2018-05-14 16:15:45 -07:00
Matt Guthaus 63a8f7c653 Remove m2 from write driver 2018-04-16 16:15:35 -07:00
Matt Guthaus 4f8ab78ee2 Change write driver supply pins to M2 2018-04-11 09:29:54 -07:00
Matt Guthaus 7100d6f904 Organize top-level files into subdirs. 2018-02-09 10:25:24 -08:00