diff options
| author | Marcin Kościelnicki <marcin@symbioticeda.com> | 2019-07-24 18:41:39 +0200 |
|---|---|---|
| committer | Marcin Kościelnicki <marcin@symbioticeda.com> | 2019-07-24 18:59:03 +0200 |
| commit | 173c97589471b5f4312acac4e396a250ee7158c1 (patch) | |
| tree | 0303e68642bb955029a71788beb1efabc7437c7e /examples | |
| parent | a66f17b6a78af8f6989235f0c72d5548b0560a58 (diff) | |
| download | yosys-173c97589471b5f4312acac4e396a250ee7158c1.tar.gz yosys-173c97589471b5f4312acac4e396a250ee7158c1.tar.bz2 yosys-173c97589471b5f4312acac4e396a250ee7158c1.zip | |
Add a simple example for Spartan 6
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/mimas2/README | 8 | ||||
| -rw-r--r-- | examples/mimas2/example.ucf | 13 | ||||
| -rw-r--r-- | examples/mimas2/example.v | 14 | ||||
| -rw-r--r-- | examples/mimas2/run.sh | 8 | ||||
| -rw-r--r-- | examples/mimas2/run_yosys.ys | 4 |
5 files changed, 47 insertions, 0 deletions
diff --git a/examples/mimas2/README b/examples/mimas2/README new file mode 100644 index 000000000..b12875cbc --- /dev/null +++ b/examples/mimas2/README @@ -0,0 +1,8 @@ +A simple example design, based on the Numato Labs Mimas V2 board +================================================================ + +This example uses Yosys for synthesis and Xilinx ISE +for place&route and bit-stream creation. + +To synthesize: + bash run.sh diff --git a/examples/mimas2/example.ucf b/examples/mimas2/example.ucf new file mode 100644 index 000000000..4e31b74ab --- /dev/null +++ b/examples/mimas2/example.ucf @@ -0,0 +1,13 @@ +CONFIG VCCAUX = "3.3" ; + + +NET "CLK" LOC = D9 | IOSTANDARD = LVCMOS33 | PERIOD = 12MHz ; + +NET "LED[7]" LOC = P15 | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW ; +NET "LED[6]" LOC = P16 | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW ; +NET "LED[5]" LOC = N15 | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW ; +NET "LED[4]" LOC = N16 | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW ; +NET "LED[3]" LOC = U17 | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW ; +NET "LED[2]" LOC = U18 | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW ; +NET "LED[1]" LOC = T17 | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW ; +NET "LED[0]" LOC = T18 | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW ; diff --git a/examples/mimas2/example.v b/examples/mimas2/example.v new file mode 100644 index 000000000..2a9117393 --- /dev/null +++ b/examples/mimas2/example.v @@ -0,0 +1,14 @@ +module example( + input wire CLK, + output wire [7:0] LED +); + +reg [27:0] ctr; +initial ctr = 0; + +always @(posedge CLK) + ctr <= ctr + 1; + +assign LED = ctr[27:20]; + +endmodule diff --git a/examples/mimas2/run.sh b/examples/mimas2/run.sh new file mode 100644 index 000000000..aafde78ed --- /dev/null +++ b/examples/mimas2/run.sh @@ -0,0 +1,8 @@ +#!/bin/sh +set -e +yosys run_yosys.ys +edif2ngd example.edif +ngdbuild example -uc example.ucf -p xc6slx9csg324-3 +map -w example +par -w example.ncd example_par.ncd +bitgen -w example_par.ncd -g StartupClk:JTAGClk diff --git a/examples/mimas2/run_yosys.ys b/examples/mimas2/run_yosys.ys new file mode 100644 index 000000000..b3204b1ca --- /dev/null +++ b/examples/mimas2/run_yosys.ys @@ -0,0 +1,4 @@ +read_verilog example.v +synth_xilinx -top example -family xc6s +iopadmap -bits -outpad OBUF I:O -inpad IBUF O:I +write_edif -pvector bra example.edif |