From: Clifford Wolf Date: Sun, 27 Oct 2013 07:21:56 +0000 (+0100) Subject: Xilinx mojo_counter example is now working X-Git-Tag: yosys-0.2.0~441 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=02f321b6fcd17c94ad633d1070c03cbec1eb86e8;p=yosys.git Xilinx mojo_counter example is now working --- diff --git a/techlibs/xilinx/example_mojo_counter/example.sh b/techlibs/xilinx/example_mojo_counter/example.sh index 87af0ea31..466fadade 100644 --- a/techlibs/xilinx/example_mojo_counter/example.sh +++ b/techlibs/xilinx/example_mojo_counter/example.sh @@ -19,8 +19,12 @@ abc -lut 6; opt # map internal cells to FPGA cells techmap -map ../cells.v; opt +# insert clock buffers +select -set clocks */t:FDRE %x:+FDRE[C] */t:FDRE %d +iopadmap -inpad BUFGP O:I @clocks + # insert i/o buffers -iopadmap -outpad OBUF I:O -inpad BUFGP O:I +iopadmap -outpad OBUF I:O -inpad IBUF O:I @clocks %n # write netlist write_edif synth.edif diff --git a/techlibs/xilinx/example_mojo_counter/example.ucf b/techlibs/xilinx/example_mojo_counter/example.ucf index 591cbe76f..93d97b4dc 100644 --- a/techlibs/xilinx/example_mojo_counter/example.ucf +++ b/techlibs/xilinx/example_mojo_counter/example.ucf @@ -2,6 +2,7 @@ NET "clk" TNM_NET = clk; TIMESPEC TS_clk = PERIOD "clk" 50 MHz HIGH 50%; NET "clk" LOC = P56; +NET "ctrl" LOC = P1; NET "led_0" LOC = P134; NET "led_1" LOC = P133; diff --git a/techlibs/xilinx/example_mojo_counter/example.v b/techlibs/xilinx/example_mojo_counter/example.v index 8e79942e2..cb98cc1b2 100644 --- a/techlibs/xilinx/example_mojo_counter/example.v +++ b/techlibs/xilinx/example_mojo_counter/example.v @@ -1,13 +1,13 @@ -module top(clk, led_7, led_6, led_5, led_4, led_3, led_2, led_1, led_0); +module top(clk, ctrl, led_7, led_6, led_5, led_4, led_3, led_2, led_1, led_0); -input clk; +input clk, ctrl; output led_7, led_6, led_5, led_4; output led_3, led_2, led_1, led_0; reg [31:0] counter; always @(posedge clk) - counter <= 32'b_1010_1010_1010_1010_1010_1010_1010_1010; // counter + 1; + counter <= counter + (ctrl ? 4 : 1); assign {led_7, led_6, led_5, led_4, led_3, led_2, led_1, led_0} = counter >> 24;