From c80934f953a9aa185aec0f3e9b9a23296c6e682b Mon Sep 17 00:00:00 2001 From: David Shah Date: Wed, 18 Jul 2018 16:01:53 +0200 Subject: ecp5: Add support for pin name constraints using 'LOC' attributes Signed-off-by: David Shah --- ecp5/synth/blinky.v | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) (limited to 'ecp5/synth') diff --git a/ecp5/synth/blinky.v b/ecp5/synth/blinky.v index a8f556b2..36ec7ae3 100644 --- a/ecp5/synth/blinky.v +++ b/ecp5/synth/blinky.v @@ -5,32 +5,32 @@ module top(input clk_pin, input btn_pin, output [7:0] led_pin, output gpio0_pin) wire btn; wire gpio0; - (* BEL="X0/Y35/PIOA" *) (* IO_TYPE="LVCMOS33" *) + (* LOC="G2" *) (* IO_TYPE="LVCMOS33" *) TRELLIS_IO #(.DIR("INPUT")) clk_buf (.B(clk_pin), .O(clk)); - (* BEL="X4/Y71/PIOA" *) (* IO_TYPE="LVCMOS33" *) + (* LOC="R1" *) (* IO_TYPE="LVCMOS33" *) TRELLIS_IO #(.DIR("INPUT")) btn_buf (.B(btn_pin), .O(btn)); - (* BEL="X0/Y23/PIOC" *) (* IO_TYPE="LVCMOS33" *) + (* LOC="B2" *) (* IO_TYPE="LVCMOS33" *) TRELLIS_IO #(.DIR("OUTPUT")) led_buf_0 (.B(led_pin[0]), .I(led[0])); - (* BEL="X0/Y23/PIOD" *) (* IO_TYPE="LVCMOS33" *) + (* LOC="C2" *) (* IO_TYPE="LVCMOS33" *) TRELLIS_IO #(.DIR("OUTPUT")) led_buf_1 (.B(led_pin[1]), .I(led[1])); - (* BEL="X0/Y26/PIOA" *) (* IO_TYPE="LVCMOS33" *) + (* LOC="C1" *) (* IO_TYPE="LVCMOS33" *) TRELLIS_IO #(.DIR("OUTPUT")) led_buf_2 (.B(led_pin[2]), .I(led[2])); - (* BEL="X0/Y26/PIOC" *) (* IO_TYPE="LVCMOS33" *) + (* LOC="D2" *) (* IO_TYPE="LVCMOS33" *) TRELLIS_IO #(.DIR("OUTPUT")) led_buf_3 (.B(led_pin[3]), .I(led[3])); - (* BEL="X0/Y26/PIOB" *) (* IO_TYPE="LVCMOS33" *) + (* LOC="D1" *) (* IO_TYPE="LVCMOS33" *) TRELLIS_IO #(.DIR("OUTPUT")) led_buf_4 (.B(led_pin[4]), .I(led[4])); - (* BEL="X0/Y32/PIOD" *) (* IO_TYPE="LVCMOS33" *) + (* LOC="E2" *) (* IO_TYPE="LVCMOS33" *) TRELLIS_IO #(.DIR("OUTPUT")) led_buf_5 (.B(led_pin[5]), .I(led[5])); - (* BEL="X0/Y26/PIOD" *) (* IO_TYPE="LVCMOS33" *) + (* LOC="E1" *) (* IO_TYPE="LVCMOS33" *) TRELLIS_IO #(.DIR("OUTPUT")) led_buf_6 (.B(led_pin[6]), .I(led[6])); - (* BEL="X0/Y29/PIOD" *) (* IO_TYPE="LVCMOS33" *) + (* LOC="H3" *) (* IO_TYPE="LVCMOS33" *) TRELLIS_IO #(.DIR("OUTPUT")) led_buf_7 (.B(led_pin[7]), .I(led[7])); - (* BEL="X0/Y62/PIOD" *) (* IO_TYPE="LVCMOS33" *) + (* LOC="L2" *) (* IO_TYPE="LVCMOS33" *) TRELLIS_IO #(.DIR("OUTPUT")) gpio0_buf (.B(gpio0_pin), .I(gpio0)); localparam ctr_width = 24; -- cgit v1.2.3