Initial commit

meta-luxshare/meta-bhs/recipes-phosphor/dbus/write-bios-version/write-bios-version.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+bus=14
+address=0x53
+offset=0x08
+biosversion=$(busctl get-property xyz.openbmc_project.Software.BMC.Updater /xyz/openbmc_project/software/bios_active xyz.openbmc_project.Software.Version Version)
+ret=$?
+if [ $ret != 0 ]; then
+    echo "Failed to get BIOS version from dbus"
+    exit 1
+fi
+biosversion=$(echo "$biosversion" |cut -d "\"" -f2)
+echo "BIOS version got from dbus:$biosversion"
+if [ "$biosversion" == "null" ]; then
+    echo "BIOS version is null, skip"
+else
+    tmp=$(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", $str)}')
+            version_str="$version_str$version"
+        fi
+    done
+    echo "BIOS version got from epprom:$version_str"
+    if [ "$biosversion" != "$version_str" ]; then
+        for ((j=0;j < 32;j++));do
+            hexArr[$j]=0
+        done
+        for ((i=0;i < 14;i++));do
+            ver=${biosversion:$i:1}
+            hexArr[$i]=$(printf "%d" "'$ver")
+        done
+        i2ctransfer -y -f $bus w34@$address $offset 0x00 "${hexArr[@]}"
+        echo "Write BIOS version to epprom:${biosversion}"
+    else
+        echo "BIOS version same, skip writing BIOS version"
+    fi
+fi
+