To fix cells placed by the Vivado placer in the Vivado IDE:
- Select the cells.
- Choose Fix Cells from the popup menu.
To fix cell placement with Tcl, use a command of this form:
set_property is_bel_fixed TRUE [get_cells [list {fftEngine/control_reg_reg[1]_i_1}]]
set_property is_loc_fixed TRUE [get_cells [list {fftEngine/control_reg_reg[1]_i_1}]]
For more information on Tcl commands, see the
Vivado
Design Suite Tcl Command Reference Guide (UG835), or type <command> -help
.