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OpenRAM
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3,947 Commits 4 Branches 63 Tags 78 MiB
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60 Commits

Author SHA1 Message Date
mrg d92c7a634d Use packages for imports. 
Must set PYTHONPATH to include OPENRAM_HOME now.
Reorganizes subdirs as packages.
Rewrites unit tests to use packages.
Update README.md with instructions, dependencies etc.
Update sky130 module imports.
Change tech specific package from modules to custom.
 2022-07-13 15:55:57 -07:00
mrg 01a73b31e1 Fix power ring routing boundary bug. 2022-03-18 10:32:25 -07:00
mrg f6587badad Improve supply routing for ring and side pins 2021-05-28 10:58:30 -07:00
mrg 6de5787e58 Fix offsets for ring 2021-05-26 16:14:16 -07:00
mrg f48b0b8f41 Add left stripe power routes to tree router as option. 2021-05-05 13:45:12 -07:00
Matt Guthaus 30fc81a1f0 Update copyright year. 2021-01-22 11:23:28 -08:00
mrg e8239c5e77 Remove debug print statement 2021-01-15 14:27:54 -08:00
mrg 69fe050bad Refactor and cleanup router grids. 2021-01-15 13:25:57 -08:00
mrg 66ff1fe990 Only unblock source/target instead of all components for cleaner routes 2021-01-06 15:14:56 -08:00
mrg b22d2a76a7 Make clear source/target option instead of general setter (bug to remove source/target fixed) 2021-01-06 09:39:50 -08:00
mrg ae1c889235 Updates to IO signal router. 
Route signals to perimeter using maze router.
Move IO pins without perimeter pins to M3 using add_io_pin (like add_power_pin).
 2020-12-22 09:39:58 -08:00
mrg da721a677d Remove EOL whitespace globally 2020-11-03 06:29:17 -08:00
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 7b8c2cac30 Starting single layer power router. 2019-06-03 15:28:55 -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 ec1fb087b5 Check membership of keys without using keys() list 2019-01-30 13:02:34 -08:00
Matt Guthaus 74fbe8fe63 Convert source and target lists to sets for faster contains check. 2019-01-30 11:15:47 -08:00
Matt Guthaus 0aad61892b Supply router working except for off by one rail via error 2018-10-19 14:21:03 -07:00
Matt Guthaus 985d04d4b5 Cleanup of router. 
Made offsets in geometry snap to grid.
Changed gds_write to use list for visited flag.
Rewrite self.gds each call in case of any changes.
 2018-10-04 14:04:29 -07:00
Matt Guthaus 8d2804b9cb Supply router working except: 
Off grid pins. Some pins do now span enough of the routing track and must be patched.
  Route track width. Instead of minimum width route, it should be the track width.
 2018-09-18 12:57:39 -07:00
Matt Guthaus 849293b95b Converting grid data structures to sets to reduce size. 2018-09-13 09:10:29 -07:00
Matt Guthaus 2d86492d91 Working on methodology of blockages, pins, and routing multiple pins. 2018-09-08 18:55:36 -07:00
Matt Guthaus 96c51f3464 Component shape functions. Find connected pins through overlaps. 2018-09-08 10:05:48 -07:00
Matt Guthaus 69261a0dc1 Routing and connecting rails with vias done. 
Refactored grid path class.
Added direction enum.
Does not route multi-track width wires in signal router.
 2018-09-07 14:46:58 -07:00
Matt Guthaus cd987479b8 Updates to supply routing. 
Rename astar_grid to signal_grid to parallel supply routing.
Wave expansion for supply rails.
Pin addition for supply rails.
 2018-09-06 11:54:14 -07:00
Matt Guthaus 59956f1446 Update signal routing for new blockage and pins. 2018-09-05 16:01:11 -07:00
Matt Guthaus 378993ca22 Found rotate bug in transformCoordinate. Cleaned up transFlags. 2018-09-04 16:35:40 -07:00
Matt Guthaus 27bb1d2ee7 Rewrite blockage routines in router. Clean up GdsMill code. 2018-08-29 15:34:45 -07:00
Matt Guthaus 5386b7a0f4 Initial refactor of signal and supply router classes. 2018-08-29 15:34:45 -07:00
Matt Guthaus 6220ea6d47 Update router to work with pin_layout structure. 2018-08-29 15:34:45 -07:00
Matt Guthaus 41fba9d27c Add sketch for power grid routing code 2018-08-29 15:34:16 -07:00
Matt Guthaus 93389ac723 Add test to reroute after route fails. Disable GDS route debug info unless verbosity is more than 0. 2017-06-07 10:10:18 -07:00
mguthaus 5960324ca6 Simplify sparse add for grid map. 2017-06-07 09:38:57 -07:00
mguthaus c061b985ba Fix missing map key check in blocked get/set. 2017-06-06 17:12:19 -07:00
Matt Guthaus d67a7149ab Small fixes to last commit. Remove grid pin debug output. Remove extraneous function calls to add grids. 2017-06-05 15:46:50 -07:00
mguthaus 11bb105545 Mark inaccessible off-grid pins as blocked. Improve on-grid pin analysis, but not quite good enough yet. 2017-06-05 14:42:56 -07:00
Matt Guthaus d31b1862a3 Improved router debugging and return error if unable to route. 2017-05-31 13:59:49 -07:00
Matt Guthaus 0fe104af66 Output labels in GDS for debug 2017-05-25 14:18:12 -07:00
Matt Guthaus 7e44d8762e New algorithm for finding pins. Includes off-grid pin computation. 2017-05-25 10:37:24 -07:00
Matt Guthaus 2936038c90 Adding new pin shape conversion using design rules 2017-05-24 15:17:49 -07:00
mguthaus 68ce3843fe Debugged and tested route by pin location,layer 2017-05-17 15:58:29 -07:00
mguthaus d85f78a54c Fixed format errors 2017-04-24 13:50:19 -07:00
Matt Guthaus e960cbe9d6 Clean up output so that it does not print routing grid debug. 2017-04-24 12:13:01 -07:00
Matt Guthaus 9478d6f94d Change width of default text routing grid to display. 2017-04-24 11:33:14 -07:00
Matt Guthaus 388794b1e0 Fix multiple net routing cost reset bug. 2017-04-24 11:28:36 -07:00
Matt Guthaus 96f1eb413e Fixed costs and view grid function so that we have better routes and less expansion. 2017-04-24 10:27:04 -07:00
mguthaus 2350be8e39 Fixed router test 03. Cleaned up code. 2017-04-14 13:56:09 -07:00
mguthaus 76f338e982 Fixed offgrid pins. Added vias to src/dst pins. Added preferred direction routing costs. 2017-04-14 13:18:35 -07:00