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OpenBMC/meta-luxshare/meta-bhs/recipes-phosphor/flash/phosphor-software-manager/restore-bios-version.sh
T
2026-04-23 17:07:55 +08:00

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#!/bin/bash
bus=14
address=0x53
offset=0x08
tmp=$(i2ctransfer -y -f $bus w2@$address $offset 0x00 r32)
for str in $tmp;do
if [[ $str != 0x00 ]]; then
str=$(printf "%d" "$str")
version=$(echo "$str" | awk '{printf("%c", $str)}')
biosversion="$biosversion$version"
fi
done
echo "BIOS version got from epprom:$biosversion"
if [ "$biosversion" == "" ]; then
echo "BIOS version is null, skip"
else
mapper wait /xyz/openbmc_project/software/bios_active
busctl set-property xyz.openbmc_project.Software.BMC.Updater /xyz/openbmc_project/software/bios_active xyz.openbmc_project.Software.Version Version s "${biosversion}"
echo "Restored BIOS version ${biosversion}"
fi