11 Commits

Author	SHA1	Message	Date
Andrew Zonenberg	367d6b2194	Fixed bug where counter extraction on non-GreenPAK devices incorrectly handled parallel counter output	2017-09-14 10:27:10 -07:00
Andrew Zonenberg	c8f2f082c6	Added support for inferring counters with reset to full scale instead of zero	2017-09-14 10:26:43 -07:00
Andrew Zonenberg	122532b7e1	Added RESET_TO_MAX parameter to $__COUNT_ cell. Cannot yet be extracted.	2017-09-14 10:26:32 -07:00
Andrew Zonenberg	0484ad666d	Added support for inferring counters with active-low reset	2017-09-14 10:26:21 -07:00
Andrew Zonenberg	a84172b23b	Initial support for extraction of counters with clock enable	2017-09-14 10:26:10 -07:00
Andrew Zonenberg	c4a70a8cc3	Fixed typo in comment. Fixed bug where extract_counter would create up counters when it meant to create down counters.	2017-09-14 10:25:51 -07:00
Andrew Zonenberg	ed1e3ed39b	extract_counter: Added optimizations to remove unused high-order bits	2017-08-30 18:15:12 -07:00
Andrew Zonenberg	634f18be96	extract_counter: Minor changes requested to comply with upstream policy, fixed a few typos	2017-08-30 16:28:25 -07:00
Andrew Zonenberg	3fc1b9f3fd	Finished refactoring counter extraction to be nice and generic. Implemented techmapping from $__COUNT_ to GP_COUNTx cells.	2017-08-28 22:18:57 -07:00
Andrew Zonenberg	46b01f05bb	Refactored extract_counter to be generic vs GreenPAK specific	2017-08-28 22:18:47 -07:00
Andrew Zonenberg	b5c15636c5	Refactoring: Renamed greenpak4_counters pass to extract_counter, moved it to techmap/ since it's going to become a generic pass	2017-08-28 22:18:34 -07:00