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OpenRAM
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3,621 Commits 4 Branches 63 Tags 78 MiB
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157 Commits

Author SHA1 Message Date
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
Matt Guthaus 7f5e6dd6f8 Fix unconnected supply pin bug in supply router. 
Simplified some of the supply router pin groups so that it assumes
each group is fully connected. When computing enclosures of the
pins on the routing grid, it will remove disconnected enclosure
shapes to keep things connected.
 2019-04-24 10:54:22 -07:00
Matt Guthaus ec1fb087b5 Check membership of keys without using keys() list 2019-01-30 13:02:34 -08:00
Matt Guthaus 6f171ad147 Added router timing code. Commented combine adjacent pins due to run-time complexity 2018-12-07 13:54:18 -08:00
Matt Guthaus 5ed9904855 Cast dict_values to a list for pin_groups 2018-12-07 13:02:50 -08:00
Matt Guthaus dfb2cf3cbd Change analyze_pins to a heuristic algorithm less than O(n^2) 2018-12-07 12:41:32 -08:00
Matt Guthaus 537e0689fb Add combine adjacent pins back 2018-12-06 14:29:06 -08:00
Matt Guthaus c51752d245 Provide more stats in -v output 2018-12-06 14:11:15 -08:00
Matt Guthaus fa3bf2915a Remove commented code 2018-12-05 09:56:19 -08:00
Matt Guthaus 0c0a23e6eb Cleanup code. Add time breakdown for SRAM creation. 2018-12-05 09:51:17 -08:00
Matt Guthaus e750d446dc Fix syntax error. Enable skipped test. 2018-12-04 17:08:22 -08:00