From feed0c53ee08d19810211cd8351d9725d2946f62 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Mon, 1 Mar 2021 22:58:19 +0100
Subject: [PATCH] Allwinner: Add workaround to install script

Not all builds provide bootloader binary. Copy U-Boot from running
system instead.
---
 projects/Allwinner/filesystem/usr/bin/install2emmc | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/projects/Allwinner/filesystem/usr/bin/install2emmc b/projects/Allwinner/filesystem/usr/bin/install2emmc
index b2c3b3d6de..84959c5b6f 100755
--- a/projects/Allwinner/filesystem/usr/bin/install2emmc
+++ b/projects/Allwinner/filesystem/usr/bin/install2emmc
@@ -11,11 +11,6 @@ UUID_STORAGE="$(uuidgen)"
 BOOT=$(grep /flash /proc/mounts | awk '{print $1}' | sed 's/p[012]//g')
 DISK=""
 
-if [ ! -f /usr/share/bootloader/u-boot-sunxi-with-spl.bin ]; then
-  echo "U-Boot not found. Please update current installation with board specific update or image first."
-  exit 1
-fi
-
 for TYPE in /sys/class/block/mmcblk*/device/type; do
   if grep -q "MMC" "${TYPE}"; then
     DISK="/dev/$(echo "${TYPE}" | awk -F/ '{print $5}')"
@@ -77,7 +72,7 @@ mkfs.ext4 -L STORAGE -U ${UUID_STORAGE} ${DISK}p2 > /dev/null 2>&1
 sync
 
 echo "Installing bootloader"
-dd if=/usr/share/bootloader/u-boot-sunxi-with-spl.bin of="${DISK}" bs=1k seek=8 conv=fsync > /dev/null 2>&1
+dd if="${BOOT}" skip=8 of="${DISK}" bs=1k seek=8 count=768 conv=fsync > /dev/null 2>&1
 
 echo "Copying system files"