From 84bed306986da62f4b101c0cf254f9112bbecce9 Mon Sep 17 00:00:00 2001
From: Joris van Rantwijk <joris@jorisvr.nl>
Date: Sat, 21 Sep 2024 20:40:08 +0200
Subject: [PATCH] Clean up FPGA build scripts

---
 fpga/11_build_bitfile.sh | 18 +++++++++++++++++-
 fpga/make_binfile.sh     | 30 ++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100755 fpga/make_binfile.sh

diff --git a/fpga/11_build_bitfile.sh b/fpga/11_build_bitfile.sh
index 9c84436..7cad2e6 100755
--- a/fpga/11_build_bitfile.sh
+++ b/fpga/11_build_bitfile.sh
@@ -5,9 +5,25 @@ set -e
 . script_env
 setup_vivado
 
+rm -f puzzlefw_top.bit.bin redpitaya_puzzlefw.xsa
+
 ( cd vivado
   mkdir -p output
   stdbuf -oL vivado -mode batch -source nonproject.tcl | tee output/build_log.txt )
 
-cp -a vivado/output/puzzlefw_top.bit .
+rm -f vivado/output/puzzlefw_top.bit.bin
+
+cat >vivado/output/bitstream.bif <<EOF
+all:
+{
+	puzzlefw_top.bit
+}
+EOF
+
+( cd vivado/output
+  bootgen -image bitstream.bif -arch zynq -process_bitstream bin
+  )
+
+cp -a vivado/output/puzzlefw_top.bit.bin .
+cp -a vivado/output/redpitaya_puzzlefw.xsa .
 
diff --git a/fpga/make_binfile.sh b/fpga/make_binfile.sh
new file mode 100755
index 0000000..ca1334c
--- /dev/null
+++ b/fpga/make_binfile.sh
@@ -0,0 +1,30 @@
+#!/bin/bash
+
+set -e
+
+. script_env
+setup_vivado
+
+if [ ! -f "$1" ]; then
+    echo "Usage: $0 bitfile.bit" >&2
+    exit 1
+fi
+
+bitfile="$(basename "$1")"
+
+mkdir binfile_dir
+
+cp -a "$1" "binfile_dir/$bitfile"
+
+cat >"binfile_dir/bitstream.bif" <<EOF
+all:
+{
+	$bitfile
+}
+EOF
+
+( cd binfile_dir ; bootgen -image bitstream.bif -arch zynq -process_bitstream bin )
+
+cp -a "binfile_dir/${bitfile}.bin" .
+
+rm -r binfile_dir