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2026-04-23 17:07:55 +08:00
commit b7e39e063b
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meta-ibm/recipes-phosphor/chassis/avsbus-control/swift/avsbus-enable.sh
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#!/bin/sh
# For each AVSBus attached power rail set the default boot voltage and then
# program the OPERATION register to switch to AVSBus mode and update default
# start voltage to what was last programmed in VOUT_COMMAND. This should be run
# before power-on. This is platform specific settings that must be
# updated/removed if not Swift.
i2cset -y 9 0x70 0x00 0x00 b # VDD 0 - PAGE set
i2cset -y 9 0x70 0x01 0xB0 b # VDD 0
i2cset -y 9 0x71 0x00 0x01 b # VCS 0 - PAGE set
i2cset -y 9 0x71 0x01 0xB0 b # VCS 0
i2cset -y 9 0x71 0x00 0x00 b # VDN 0 - PAGE set
i2cset -y 9 0x71 0x01 0xB0 b # VDN 0
i2cset -y 10 0x70 0x00 0x00 b # VDD 1 - PAGE set
i2cset -y 10 0x70 0x01 0xB0 b # VDD 1
i2cset -y 10 0x71 0x00 0x01 b # VCS 1 - PAGE set
i2cset -y 10 0x71 0x01 0xB0 b # VCS 1
i2cset -y 10 0x71 0x00 0x00 b # VDN 1 - PAGE set
i2cset -y 10 0x71 0x01 0xB0 b # VDN 1
meta-ibm/recipes-phosphor/chassis/avsbus-control/swift/avsbus-enable@.service
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[Unit]
Description=Enable the AVS bus on VRMs
Wants=obmc-power-start@%i.service
Before=obmc-power-start@%i.service
Conflicts=obmc-chassis-poweroff@%i.target
ConditionPathExists=!/run/openbmc/chassis@%i-on
[Service]
ExecStart={bindir}/avsbus-enable.sh
SyslogIdentifier=avsbus-enable.sh
Type=oneshot
RemainAfterExit=yes
[Install]
WantedBy=obmc-chassis-poweron@%i.target