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| author | Sergey Solomin <sergey.solomin@us.ibm.com> | 2016-11-28 15:03:24 -0600 |
|---|---|---|
| committer | Patrick Williams <patrick@stwcx.xyz> | 2016-12-11 12:55:31 +0000 |
| commit | 7ab426e4832580052d43018e9b9bc32021a62bc0 (patch) | |
| tree | 88058505b1b3ad550ce75f1d47a827f1d1a42a0f /meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post | |
| parent | 40b97aec6cd4e2dc5dc3b283a7591b1337e6f342 (diff) | |
| download | talos-openbmc-7ab426e4832580052d43018e9b9bc32021a62bc0.tar.gz talos-openbmc-7ab426e4832580052d43018e9b9bc32021a62bc0.zip | |
disable UCD VCS rails
Setup UCD module to disable VCS rails from power-on
Change-Id: Ib72595cf120cd082bb8baf3657307154b5abd117
Signed-off-by: Sergey Solomin <sergey.solomin@us.ibm.com>
Diffstat (limited to 'meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post')
2 files changed, 46 insertions, 0 deletions
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post/ucd_disable_vcs.sh b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post/ucd_disable_vcs.sh new file mode 100644 index 000000000..d0bc63c79 --- /dev/null +++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post/ucd_disable_vcs.sh @@ -0,0 +1,33 @@ +#!/bin/sh +# ############################################################# +# script to disable UCD VCS rails. +# This REQUIRES unaltered/original UCD cfg file. +# 10/28/16 PGR - +# 11/10/16 PGR - unbind/bind UCD driver + +# unbind ucd driver to permit i2cset +ucdpath="/sys/bus/i2c/drivers/ucd9000" +if [ -e $ucdpath ] +then + ucd=`ls $ucdpath | grep 64` + echo $ucd > $ucdpath/unbind +fi + +# Setup UCD module (in standby) to disable VCS rails from power-on: +i2cset -y 11 0x64 0xF7 0x00 i +i2cset -y 11 0x64 0xF8 0x15 0x6E 0x80 0x0A 0x00 0x00 0x10 0x00 0x00 0x00 \ + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 i +i2cset -y 11 0x64 0xF7 0x01 i +i2cset -y 11 0x64 0xF8 0x15 0x16 0x80 0x14 0x00 0x00 0x20 0x00 0x00 0x00 \ + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 i +i2cset -y 11 0x64 0xD2 0x09 0x3F 0xFF 0x2F 0x0A 0x00 0x06 0x00 0x00 0x02 i +i2cset -y 11 0x64 0x00 0x0E i +i2cset -y 11 0x64 0x02 0x1A i +i2cset -y 11 0x64 0x00 0x0F i +i2cset -y 11 0x64 0x02 0x1A i + +# re-bind ucd driver +if [ -e $ucdpath ] +then + echo $ucd > $ucdpath/bind +fi diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post/ucd_disable_vcs@.service b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post/ucd_disable_vcs@.service new file mode 100644 index 000000000..c218d05c5 --- /dev/null +++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vcs-pre-post/ucd_disable_vcs@.service @@ -0,0 +1,13 @@ +[Unit] +Description=Disable UCD VCS rails +Wants=obmc-power-start-pre@%i.target +Before=obmc-power-start-pre@%i.target +Conflicts=obmc-chassis-stop@%i.target + +[Service] +ExecStart={bindir}/ucd_disable_vcs.sh +Type=oneshot +RemainAfterExit=yes + +[Install] +WantedBy=obmc-chassis-start@%i.target |
