caiyu/nextpnr
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4 Commits

Author SHA1 Message Date
Sylvain Munaut
325d46e284 ice40/chipdb: Add wires to global network for all cells that can drive it 
The icebox DB is a bit inconsistent in how global network connections
are represented. Here we make it appear consistent by creating ports
on the cells that can drive it.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2018-11-19 18:20:20 +01:00
David Shah
d5d9fb27a6 ice40: Validity check for LVDS IO 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-24 15:14:28 +01:00
Clifford Wolf
f875a37467 Get rid of old iCE40 id_ Arch members 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-08 17:17:16 +02:00
Clifford Wolf
e03ae50e21 Get rid of PortPin and BelType (ice40, generic, docs) 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-08 17:01:18 +02:00