build/xilinx/vivado: round period constraints to lowest picosecond
authorFlorent Kermarrec <florent@enjoy-digital.fr>
Mon, 15 Apr 2019 08:51:17 +0000 (10:51 +0200)
committerFlorent Kermarrec <florent@enjoy-digital.fr>
Mon, 15 Apr 2019 08:51:17 +0000 (10:51 +0200)
commit538ca59ab6094608d9e84fef3988a590b78367d9
tree562c9a5be415721a2c58d928164dd4767aea8f43
parent66a74b157954df7c79ef6cb8be203b1aca26886c
build/xilinx/vivado: round period constraints to lowest picosecond

Vivado will do the opposite if we don't do it, with this change we ensure the applied period constraints will always be >= to the requested constraint.
litex/build/xilinx/vivado.py