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ec2dc60d57
Move shell functions used for sysupgrade into /lib/upgrade/fit.sh. Introduce improved fitblk boot device detection function which works also in case ubiblock devices have not yet been created or even UBI itself not yet being attached. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
64 lines
1.5 KiB
Bash
64 lines
1.5 KiB
Bash
export_fitblk_bootdev() {
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[ -e /sys/firmware/devicetree/base/chosen/rootdisk ] || return
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local rootdisk="$(cat /sys/firmware/devicetree/base/chosen/rootdisk)"
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local handle bootdev
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for handle in /sys/class/mtd/mtd*/of_node/volumes/*/phandle; do
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[ ! -e "$handle" ] && continue
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if [ "$rootdisk" = "$(cat "$handle")" ]; then
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if [ -e "${handle%/phandle}/volname" ]; then
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export CI_KERNPART="$(cat "${handle%/phandle}/volname")"
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elif [ -e "${handle%/phandle}/volid" ]; then
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export CI_KERNVOLID="$(cat "${handle%/phandle}/volid")"
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else
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return
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fi
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export CI_UBIPART="$(cat "${handle%%/of_node*}/name")"
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export CI_METHOD="ubi"
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return
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fi
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done
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for handle in /sys/class/mtd/mtd*/of_node/phandle; do
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[ ! -e "$handle" ] && continue
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if [ "$rootdisk" = "$(cat $handle)" ]; then
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bootdev="${handle%/of_node/phandle}"
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bootdev="${bootdev#/sys/class/mtd/}"
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export PART_NAME="/dev/$bootdev"
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export CI_METHOD="default"
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return
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fi
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done
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for handle in /sys/class/block/*/of_node/phandle; do
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[ ! -e "$handle" ] && continue
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if [ "$rootdisk" = "$(cat $handle)" ]; then
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bootdev="${handle%/of_node/phandle}"
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bootdev="${bootdev#/sys/class/block/}"
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export EMMC_KERN_DEV="/dev/$bootdev"
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export CI_METHOD="emmc"
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return
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fi
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done
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}
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fit_do_upgrade() {
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export_fitblk_bootdev
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[ -n "$CI_METHOD" ] || return 1
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[ -e /dev/fit0 ] && fitblk /dev/fit0
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[ -e /dev/fitrw ] && fitblk /dev/fitrw
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case "$CI_METHOD" in
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emmc)
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emmc_do_upgrade "$1"
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;;
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default)
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default_do_upgrade "$1"
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;;
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ubi)
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nand_do_upgrade "$1"
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;;
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esac
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}
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