From 7f522fe8ddaec682663500a14ecdadc2e22fe4ac Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Thu, 24 Dec 2020 18:00:39 +0100
Subject: [PATCH] Allwinner: Enable DT overlays support

---
 projects/Allwinner/bootloader/release   | 4 +++-
 projects/Allwinner/bootloader/update.sh | 7 +++++++
 projects/Allwinner/options              | 3 +++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/projects/Allwinner/bootloader/release b/projects/Allwinner/bootloader/release
index 8b0b39a9ae..3f88a612e8 100644
--- a/projects/Allwinner/bootloader/release
+++ b/projects/Allwinner/bootloader/release
@@ -4,9 +4,11 @@
 SRCDIR="$BUILD/image/system/usr/share/bootloader"
 DSTDIR="$RELEASE_DIR/3rdparty/bootloader"
 
-mkdir -p "$DSTDIR"
+mkdir -p "$DSTDIR/overlays"
   if [ -n "$UBOOT_SYSTEM" ]; then
     cp -a "$SRCDIR/u-boot-sunxi-with-spl.bin" "$DSTDIR"
   fi
 
   cp -a "$SRCDIR"/sun*-${DEVICE,,}-*.dtb "$DSTDIR"
+
+  cp -a "$SRCDIR"/overlays/sun*-${DEVICE,,}-*.dtbo "$DSTDIR"/overlays
diff --git a/projects/Allwinner/bootloader/update.sh b/projects/Allwinner/bootloader/update.sh
index 1b89f372d6..74c7adbde0 100644
--- a/projects/Allwinner/bootloader/update.sh
+++ b/projects/Allwinner/bootloader/update.sh
@@ -27,6 +27,13 @@ fi
     fi
   done
 
+# update Device Tree Overlays
+  if [ -d $SYSTEM_ROOT/usr/share/bootloader/overlays ]; then
+    echo "*** updating Device Tree Overlays ..."
+    mkdir -p /flash/overlays
+    cp -p $SYSTEM_ROOT/usr/share/bootloader/overlays/* /flash/overlays
+  fi
+
 # update bootloader files
   if [ -f $SYSTEM_ROOT/usr/share/bootloader/u-boot-sunxi-with-spl.bin ]; then
     echo "*** updating U-Boot on: $BOOT_DISK ..."
diff --git a/projects/Allwinner/options b/projects/Allwinner/options
index ecca596946..a9d53ef9a1 100644
--- a/projects/Allwinner/options
+++ b/projects/Allwinner/options
@@ -61,3 +61,6 @@
 
   # debug tty path
     DEBUG_TTY="/dev/console"
+
+  # additional packages to install:
+    ADDITIONAL_PACKAGES="dt-overlays"