uboot-envtools: add configuration for Bananapi BPi-R2

Add fw_env configuration for the BPi-R2 which is a mediatek/mt7623
devboard which can be booted from SD Card or eMMC.
Auto detect the boot device and add environment accordingly.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

diff --git a/package/boot/uboot-envtools/files/mediatek_mt7623 b/package/boot/uboot-envtools/files/mediatek_mt7623
new file mode 100644 (file)
index 0000000..863c8bc
--- /dev/null
+++ b/package/boot/uboot-envtools/files/mediatek_mt7623
@@ -0,0 +1,25 @@
+#
+# Copyright (C) 2021 OpenWrt.org
+#
+
+[ -e /etc/config/ubootenv ] && exit 0
+
+touch /etc/config/ubootenv
+
+. /lib/uboot-envtools.sh
+. /lib/functions.sh
+
+board=$(board_name)
+
+case "$board" in
+bananapi,bpi-r2)
+       . /lib/upgrade/common.sh
+       export_bootdevice
+       export_partdevice ubootpart 1
+       ubootenv_add_uci_config "/dev/$ubootpart" "0xb0000" "0x10000" "0x10000" "1"
+esac
+
+config_load ubootenv
+config_foreach ubootenv_add_app_config ubootenv
+
+exit 0