iCE40/nextpnr - [no description]

	Commit message (Collapse)	Author	Age	Files	Lines
*	Fix assorted bugs in FPGA interchange.	Keith Rothman	2021-02-23	1	-1/+3
\| \| \| \| \| \| \| \| \| \|	Fixes: - Only use map constant pins during routing, and not during placement. - Unmapped cell ports have no BEL pins. - Fix SiteRouter congestion not taking into account initial expansion. - Fix psuedo-site pip output. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
*	Refactor "get only from iterator" to a utility.	Keith Rothman	2021-02-17	1	-6/+2
\| \| \| \|	Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
*	Change how package pin IO sites are selected.	Keith Rothman	2021-02-17	1	-14/+34
\| \| \| \| \| \| \|	The first site type that matches is now selected, under the premise that the early site types are more general. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
*	Continue fixes.	Keith Rothman	2021-02-17	1	-3/+23
\| \| \| \|	Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
*	Add initial site router.	Keith Rothman	2021-02-17	1	-1/+1
\| \| \| \| \| \| \| \|	This site router likely cannot handle the full problem space. It may need to be replaced with a more generalize approach as testing continues. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
*	Working on standing up initial constraints system.	Keith Rothman	2021-02-17	1	-0/+215
	Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>