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authorEddie Hung <eddie@fpgeh.com>2019-08-20 11:57:52 -0700
committerEddie Hung <eddie@fpgeh.com>2019-08-20 11:57:52 -0700
commitd9fe4cccbf3cc03fa57b177fd13c6e900a2134f7 (patch)
treeaceb37b755f6b112e754bbdd50f0a4a6a6ee111d /examples
parent297a9802122817e143b1e4b87fd0d4e357606a72 (diff)
parent3f4886e7a3ff14578b9c6d614efd360478e5886e (diff)
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Merge remote-tracking branch 'origin/master' into eddie/synth_xilinx
Diffstat (limited to 'examples')
-rw-r--r--examples/mimas2/README8
-rw-r--r--examples/mimas2/example.ucf13
-rw-r--r--examples/mimas2/example.v14
-rw-r--r--examples/mimas2/run.sh8
-rw-r--r--examples/mimas2/run_yosys.ys4
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