whitequark · Dec 24, 2018
Showing with 30 additions and 1 deletion.

+3 −1 boneless/gateware/core_fsm.py

+3 −0 examples/.gitignore

+5 −0 examples/iceblink.pcf

+11 −0 examples/iceblink.sv

+8 −0 examples/run.sh
diff --git a/boneless/gateware/core_fsm.py b/boneless/gateware/core_fsm.py
@@ -435,11 +435,13 @@ def __init__(self, has_pins=False):
         self.mem.init = [
             0, 0, 0, 0, 0, 0, 0, 0,
             *assemble([
+                NOP (),
+                NOP (),
                 MOVL(R1, 1),
             "loop",
                 STX (R1, R0, 0),
                 ROT (R1, R1, 1),
-                MOVH(R2, 1),
+                MOVH(R2, 80),
             "delay",
                 SUBI(R2, 1),
                 JNZ ("delay"),

diff --git a/examples/.gitignore b/examples/.gitignore
@@ -0,0 +1,3 @@
+*.json
+*.txt
+*.bin
diff --git a/examples/iceblink.pcf b/examples/iceblink.pcf
@@ -0,0 +1,5 @@
+set_io clk 13
+set_io led[0] 59
+set_io led[1] 56
+set_io led[2] 53
+set_io led[3] 51
diff --git a/examples/iceblink.sv b/examples/iceblink.sv
@@ -0,0 +1,11 @@
+module top(...);
+    input clk;
+    output [3:0] led;
+
+    boneless cpu(
+        .clk(clk),
+        .rst(0),
+        .r_win(0),
+        .pins(led),
+    );
+endmodule
diff --git a/examples/run.sh b/examples/run.sh
@@ -0,0 +1,8 @@
+#!/bin/sh -ex
+
+cd $(dirname $0)
+python3 -W ignore -m boneless.gateware.core_fsm pins generate fsm_core_pins.v
+yosys fsm_core_pins.v iceblink.sv -p "synth_ice40 -top top -json iceblink.json"
+nextpnr-ice40 --hx1k --package vq100 --pcf iceblink.pcf --json iceblink.json --asc iceblink.txt
+icepack iceblink.txt iceblink.bin
+iCEburn -e -w iceblink.bin
-Original file line number
+Diff line change
@@ -0,0 +1,3 @@
+    *.json
+    *.txt
+    *.bin