61 Commits

Author	SHA1	Message	Date
David Shah	9374ef29bf	Fixing implementation of constants ... Signed-off-by: David Shah <davey1576@gmail.com>	2018-06-13 14:01:42 +02:00
David Shah	94eea289ae	Simple IO buffer insertion, enable packer by default ... Signed-off-by: David Shah <davey1576@gmail.com>	2018-06-13 11:08:20 +02:00
David Shah	a76f5c5678	Remove IO buffers when fed by SB_IO ... Signed-off-by: David Shah <davey1576@gmail.com>	2018-06-13 10:50:05 +02:00
David Shah	6e79b93c6e	Improve packer diagnostics ... Signed-off-by: David Shah <davey1576@gmail.com>	2018-06-12 15:33:53 +02:00
David Shah	6707b985b4	ice40: Add support for LC placement constraints in packer ... Signed-off-by: David Shah <davey1576@gmail.com>	2018-06-12 15:13:50 +02:00
Clifford Wolf	a139654980	Add IdString API ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2018-06-12 15:08:01 +02:00
Clifford Wolf	426fb75bb5	Fix NEXTPNR_NAMESPACE ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2018-06-12 14:31:26 +02:00
David Shah	031d8e811f	ice40: Adding a placement validity checker ... Signed-off-by: David Shah <davey1576@gmail.com>	2018-06-12 13:40:22 +02:00
David Shah	67a5cedbe3	ice40: Pack constants to LCs ... Signed-off-by: David Shah <davey1576@gmail.com>	2018-06-12 13:09:36 +02:00
David Shah	f72807f790	ice40: Debugging the packer ... Signed-off-by: David Shah <davey1576@gmail.com>	2018-06-12 12:46:30 +02:00
David Shah	2f61a9b98a	ice40: Start working on a packer, currently not tested ... Signed-off-by: David Shah <davey1576@gmail.com>	2018-06-12 12:13:11 +02:00