1 files changed, 25 insertions, 0 deletions
diff --git a/meta-bytedance/meta-g220a/recipes-phosphor/datetime/me-time-sync/me-time-sync.sh b/meta-bytedance/meta-g220a/recipes-phosphor/datetime/me-time-sync/me-time-sync.sh
new file mode 100644
index 000000000..833b97d70
--- /dev/null
+++ b/meta-bytedance/meta-g220a/recipes-phosphor/datetime/me-time-sync/me-time-sync.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+set -e
+
+# Get time from ME via ipmb
+# The last 4 bytes are the epoch time, e.g.
+# (iyyyyay) 0 11 0 72 0 4 18 169 82 95
+ret=$(busctl call xyz.openbmc_project.Ipmi.Channel.Ipmb "/xyz/openbmc_project/Ipmi/Channel/Ipmb" org.openbmc.Ipmb sendRequest yyyyay 0x01 0x0a 0x00 0x48 0)
+
+IFS=' ' read -r -a a <<< "${ret}"
+
+if [ "${a[1]}" -ne 0 ]
+then
+  echo "Failed to get time from ME: ${ret}"
+  exit 1
+fi
+
+t0=$((${a[7]}))
+t1=$((${a[8]}*256))
+t2=$((${a[9]}*256*256))
+t3=$((${a[10]}*256*256*256))
+t=$((${t0}+${t1}+${t2}+${t3}))
+echo "Setting date to ${t}"
+
+date -s @${t}