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OpenRAM
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3,947 Commits 4 Branches 63 Tags 78 MiB
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167 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 c8905c410a Fix case where distance is zero length comparison 2022-05-17 15:49:06 -07:00
mrg 4be075e586 Overlap length can include a rectangle overlap. 2022-05-16 14:57:32 -07:00
mrg 3101643964 Check for no pins and fix closest pin return type 2022-05-13 14:34:26 -07:00
mrg b6c3580e24 Fix width of replica routes. Don't enclose pins if they overlap sufficiently. 2022-05-09 11:44:46 -07:00
mrg 3e48991acb Skip partial pins if they are too small to prevent DRC overlap errors. 2022-05-02 16:07:05 -07:00
mrg b1bb9151c4 Reimplement off grid pins. 
Long pins aren't accessed on end pins anymore.
Fix problem with multiple non-enclosed space causing blockages.
Add partial pin offgrid enclosure algorithm.
 2022-05-02 15:43:14 -07:00
mrg a8f50f212e Change track spacing for freepdk45 2022-03-18 16:01:57 -07:00
mrg 2bfc94fcdd Add unblocking of source and destination pins to router. 2022-03-18 14:44:13 -07:00
mrg 01a73b31e1 Fix power ring routing boundary bug. 2022-03-18 10:32:25 -07:00
mrg d6a72aed37 Add 2x1 perimter pins to satisfy minimum area rule. 2021-06-13 15:00:46 -07:00
mrg 1ded978256 Change nwell from gnd to vdd. dnwell space added. 2021-06-01 15:10:55 -07:00
mrg f6587badad Improve supply routing for ring and side pins 2021-05-28 10:58:30 -07:00
mrg 8bf37ca708 Connect dnwell taps to gnd 2021-05-26 17:38:09 -07:00
mrg 7736d3b927 Fix updated side pin option 2021-05-26 16:14:46 -07:00
mrg 6de5787e58 Fix offsets for ring 2021-05-26 16:14:16 -07:00
mrg cc91cdf008 Add power ring pin 2021-05-26 16:14:14 -07:00
mrg f48b0b8f41 Add left stripe power routes to tree router as option. 2021-05-05 13:45:12 -07:00
mrg a0e263b14a Add vdd/gnd pins to the side. 2021-05-03 15:14:15 -07:00
mrg a730fd0f10 Use magic for LEF abstract. Fix supply perimter pin. 2021-04-14 10:01:43 -07:00
mrg 229b0059c4 Add perimeter margin to expand pins outside perimeter for OpenRoad router. 2021-04-07 16:08:29 -07:00
mrg 5ab67214e5 Make sure to add path when source and target 2021-03-01 11:37:42 -08:00
mrg 0c2ed487d9 Redundant check if pin contains another 2021-02-26 11:16:19 -08:00
mrg bc8fd4a882 Merge branch 'supply_router' into dev 2021-01-25 11:01:48 -08:00
Matt Guthaus eebc2a93b6 Remove redundant pins when adding each pin 2021-01-25 09:36:27 -08:00
Matt Guthaus 30fc81a1f0 Update copyright year. 2021-01-22 11:23:28 -08:00
mrg 69fe050bad Refactor and cleanup router grids. 2021-01-15 13:25:57 -08:00
mrg 683f4214b2 Differentiate pin and other blockages for easier to understand blockage processing. 2021-01-14 15:58:37 -08:00
mrg e3a888e0f7 Only unblock blockages not grids 2021-01-13 13:57:49 -08:00
mrg 7506ba81be Refactor how blocked_grids work. Must still calculate blockages based on enclosed pins. 2021-01-11 11:12:45 -08:00
mrg 66ff1fe990 Only unblock source/target instead of all components for cleaner routes 2021-01-06 15:14:56 -08:00
mrg d61fcb3be3 Fix lpp erase bug in removing router annotations 2021-01-06 09:39:01 -08:00
mrg c89e156bfe Separate add pins and route pins so pins can block supply router. 2020-12-23 10:49:47 -08:00
mrg 52119fe3b3 Cleanup exit route. Pins are on perimeter mostly. 2020-12-22 15:56:51 -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 348001b1c8 Supply tree uses signal grid. PEP8 cleanup. 2020-12-21 13:51:50 -08:00
mrg 3c08dfcca5 Enable single pin for vdd/gnd after supply router 2020-12-18 11:09:10 -08:00
mrg c0ab0af201 Retry routes with expanding detour allowed. 2020-12-17 11:39:17 -08:00
mrg 2b0f8bf263 Don't exit with error when source is target for maze router 2020-12-16 16:57:29 -08:00
mrg da721a677d Remove EOL whitespace globally 2020-11-03 06:29:17 -08:00
mrg cbf9c48504 Names in skiptests changed. Reduce grid router verbosity. 2020-10-23 09:22:59 -07:00
Matthew Guthaus 131f4bda4a Add layer-purpose GDS support. Various PEP8 fixes. 2019-11-14 18:17:20 +00:00
Matthew Guthaus 8d158e9eb5 Fix lpp change 2019-11-08 15:45:25 +00:00
Matthew Guthaus 0dea153919 PEP8 formatting 2019-11-07 16:33:13 +00:00
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
mrg bd4d965e37 Begin single layer supply router 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