1 files changed, 37 insertions, 0 deletions
diff --git a/libre/uboot4extlinux-am335x_bone/uboot4extlinux-am335x_bone.install b/libre/uboot4extlinux-am335x_bone/uboot4extlinux-am335x_bone.install
new file mode 100644
index 000000000..4467c694e
--- /dev/null
+++ b/libre/uboot4extlinux-am335x_bone/uboot4extlinux-am335x_bone.install
@@ -0,0 +1,37 @@
+flash_instructions() {
+  echo "# dd if=/boot/MLO of=/dev/mmcblk0 count=1 seek=1 conv=notrunc bs=128k"
+  echo "# dd if=/boot/u-boot.img of=/dev/mmcblk0 count=2 seek=1 conv=notrunc bs=384k"
+}
+
+extlinux_warning() {
+  echo "==> WARNING: U-Boot uses Extlinux support to boot up. For setting it up, edit /boot/extlinux/extlinux.conf"
+}
+
+flash_uboot() {
+  root=$(mount | awk '/ on \/ / { print $1; }')
+  if [[ $root =~ ^/dev/mmcblk.*$ ]]; then
+    root=${root:0:12}
+    echo "A new U-Boot version needs to be flashed onto $root."
+    echo "Do this now? [y|N]"
+    read -r shouldwe
+    if [[ $shouldwe =~ ^([yY][eE][sS]|[yY])$ ]]; then
+      dd if=/boot/MLO of=$root count=1 seek=1 conv=notrunc bs=128k
+      dd if=/boot/u-boot.img of=$root count=2 seek=1 conv=notrunc bs=384k
+    else
+      echo "You can do this later by running:"
+      flash_instructions
+    fi
+  else
+    echo "Flash the new U-Boot version onto your boot device. For example:"
+    flash_instructions
+  fi
+  extlinux_warning
+}
+
+post_install() {
+  flash_uboot
+}
+
+post_upgrade() {
+  flash_uboot
+}