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| author | Lei YU <yulei.sh@bytedance.com> | 2020-09-04 12:04:32 +0300 |
|---|---|---|
| committer | Andrew Geissler <geissonator@yahoo.com> | 2020-12-31 19:41:06 +0300 |
| commit | 9526acb2c7b6c93224258a9260479be734df069d (patch) | |
| tree | fb4a225d3198215a3c477a72e57d81362c1a5697 /meta-bytedance | |
| parent | 530f068ba17f2e03c2a939eaebff75cd72c356b3 (diff) | |
| download | openbmc-9526acb2c7b6c93224258a9260479be734df069d.tar.xz | |
meta-g220a: Add me-time-sync
g220a BMC needs to get time from ME on start.
Add me-time-sync package that fetches time from ME via ipmb, and set the
time to BMC via `date` command.
Tested: Verify the time is set on BMC boots
(From meta-bytedance rev: c8640d007d25676261acc04317e5612269bd3ed5)
Signed-off-by: Lei YU <yulei.sh@bytedance.com>
Change-Id: I0e7f1d249cf743e3477843a67a6d2e6250c43aa6
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Diffstat (limited to 'meta-bytedance')
4 files changed, 58 insertions, 0 deletions
diff --git a/meta-bytedance/meta-g220a/recipes-phosphor/datetime/me-time-sync.bb b/meta-bytedance/meta-g220a/recipes-phosphor/datetime/me-time-sync.bb new file mode 100644 index 000000000..776bccfd0 --- /dev/null +++ b/meta-bytedance/meta-g220a/recipes-phosphor/datetime/me-time-sync.bb @@ -0,0 +1,20 @@ +SUMMARY = "ME time sync" +PR = "r1" +LICENSE = "Apache-2.0" +LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10" + +inherit allarch +inherit obmc-phosphor-systemd + +RDEPENDS_${PN} += "bash" + +S = "${WORKDIR}" + +SRC_URI += "file://me-time-sync.sh" + +do_install() { + install -d ${D}${bindir} + install -m 0755 ${S}/me-time-sync.sh ${D}${bindir}/me-time-sync.sh +} + +SYSTEMD_SERVICE_${PN} += "me-time-sync.service" diff --git a/meta-bytedance/meta-g220a/recipes-phosphor/datetime/me-time-sync/me-time-sync.service b/meta-bytedance/meta-g220a/recipes-phosphor/datetime/me-time-sync/me-time-sync.service new file mode 100644 index 000000000..e0ee717c5 --- /dev/null +++ b/meta-bytedance/meta-g220a/recipes-phosphor/datetime/me-time-sync/me-time-sync.service @@ -0,0 +1,11 @@ +[Unit] +Description=Sync time from ME +Wants=ipmb.service +After=ipmb.service + +[Service] +Type=oneshot +ExecStart=/usr/bin/me-time-sync.sh + +[Install] +WantedBy=multi-user.target diff --git a/meta-bytedance/meta-g220a/recipes-phosphor/datetime/me-time-sync/me-time-sync.sh b/meta-bytedance/meta-g220a/recipes-phosphor/datetime/me-time-sync/me-time-sync.sh new file mode 100644 index 000000000..833b97d70 --- /dev/null +++ b/meta-bytedance/meta-g220a/recipes-phosphor/datetime/me-time-sync/me-time-sync.sh @@ -0,0 +1,25 @@ +#!/bin/bash + +set -e + +# Get time from ME via ipmb +# The last 4 bytes are the epoch time, e.g. +# (iyyyyay) 0 11 0 72 0 4 18 169 82 95 +ret=$(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} diff --git a/meta-bytedance/meta-g220a/recipes-phosphor/images/obmc-phosphor-image.bbappend b/meta-bytedance/meta-g220a/recipes-phosphor/images/obmc-phosphor-image.bbappend new file mode 100644 index 000000000..a3fecbfc0 --- /dev/null +++ b/meta-bytedance/meta-g220a/recipes-phosphor/images/obmc-phosphor-image.bbappend @@ -0,0 +1,2 @@ +OBMC_IMAGE_EXTRA_INSTALL_append_g220a = " me-time-sync \ + " |