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author | Andrew Geissler <andrewg@us.ibm.com> | 2017-07-28 16:07:27 -0500 |
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committer | Patrick Williams <patrick@stwcx.xyz> | 2017-08-03 01:55:23 +0000 |
commit | 53aded0ad3bdac12b8ad5fc939e55a70551b0bb0 (patch) | |
tree | 4aede27f8729ae53febe4e046ff2381767425ee9 /meta-openbmc-machines/meta-openpower | |
parent | 5cfacd5b7d6c44d715e30be142e3bf05536052c0 (diff) | |
download | talos-openbmc-53aded0ad3bdac12b8ad5fc939e55a70551b0bb0.tar.gz talos-openbmc-53aded0ad3bdac12b8ad5fc939e55a70551b0bb0.zip |
witherspoon:Decrease VDN to .8v for power on
Per request of power team, reduce our VDN voltage from
.9v to .8v
Resolves openbmc/openbmc#1959
Change-Id: I3667aa256fc5c79d240adad1360879ced03c4ec6
Signed-off-by: Andrew Geissler <andrewg@us.ibm.com>
Diffstat (limited to 'meta-openbmc-machines/meta-openpower')
-rw-r--r-- | meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/avsbus-control/power-workarounds.sh | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/avsbus-control/power-workarounds.sh b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/avsbus-control/power-workarounds.sh index f98c40848..51d3a9aa8 100644 --- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/avsbus-control/power-workarounds.sh +++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/avsbus-control/power-workarounds.sh @@ -14,3 +14,11 @@ i2cset -y 4 0x71 0x00 0x00 i2cset -y 5 0x71 0x00 0x01 i2cset -y 5 0x71 0x21 0x3B 0x01 i i2cset -y 5 0x71 0x00 0x00 + +# VDN A - PGOOD_ON threshold +i2cset -y 4 0x71 0x00 0x00 b # PAGE +i2cset -y 4 0x71 0x5E 0xCD 0x00 i # set to 0.8V + +# VDN B - PGOOD_ON threshold +i2cset -y 5 0x71 0x00 0x00 b # PAGE +i2cset -y 5 0x71 0x5E 0xCD 0x00 i # set to 0.8V |