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2026-04-23 17:07:55 +08:00
commit b7e39e063b
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meta-ibm/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-disable.sh
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#!/bin/sh
i2cset -y 4 0x70 0x00 0x00 b # VDD 0 - PAGE set
i2cset -y 4 0x70 0x01 0x80 b # VDD 0
i2cset -y 4 0x70 0x00 0x01 b # VCS 0 - PAGE set
i2cset -y 4 0x70 0x01 0x80 b # VCS 0
i2cset -y 4 0x70 0x00 0x00 b # VCS 0 - PAGE reset
i2cset -y 4 0x73 0x00 0x00 b # VDN 0 - PAGE set
i2cset -y 4 0x73 0x01 0x80 b # VDN 0
i2cset -y 5 0x70 0x00 0x00 b # VDD 1 - PAGE set
i2cset -y 5 0x70 0x01 0x80 b # VDD 1
i2cset -y 5 0x70 0x00 0x01 b # VCS 1 - PAGE set
i2cset -y 5 0x70 0x01 0x80 b # VCS 1
i2cset -y 5 0x70 0x00 0x00 b # VCS 1 - PAGE reset
i2cset -y 5 0x73 0x00 0x00 b # VDN 1 - PAGE set
i2cset -y 5 0x73 0x01 0x80 b # VDN 1
meta-ibm/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-disable@.service
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[Unit]
Description=Disable the AVS bus on the VRMs
Wants=obmc-power-start@.service
After=obmc-power-start@.service
Before=vrm-control@%i.service
Conflicts=obmc-chassis-poweroff@%i.target
ConditionPathExists=!/run/openbmc/chassis@%i-on
[Service]
ExecStart=/usr/bin/avsbus-disable.sh
Type=oneshot
RemainAfterExit=yes
[Install]
WantedBy=obmc-chassis-poweron@%i.target
meta-ibm/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-enable.sh
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#!/bin/sh
i2cset -y 4 0x70 0x00 0x00 b # VDD 0 - PAGE set
i2cset -y 4 0x70 0x01 0xB0 b # VDD 0
i2cset -y 4 0x70 0x00 0x01 b # VCS 0 - PAGE set
i2cset -y 4 0x70 0x01 0xB0 b # VCS 0
i2cset -y 4 0x70 0x00 0x00 b # VCS 0 - PAGE reset
i2cset -y 4 0x73 0x00 0x00 b # VDN 0 - PAGE set
i2cset -y 4 0x73 0x01 0xB0 b # VDN 0
i2cset -y 5 0x70 0x00 0x00 b # VDD 1 - PAGE set
i2cset -y 5 0x70 0x01 0xB0 b # VDD 1
i2cset -y 5 0x70 0x00 0x01 b # VCS 1 - PAGE set
i2cset -y 5 0x70 0x01 0xB0 b # VCS 1
i2cset -y 5 0x70 0x00 0x00 b # VCS 1 - PAGE reset
i2cset -y 5 0x73 0x00 0x00 b # VDN 1 - PAGE set
i2cset -y 5 0x73 0x01 0xB0 b # VDN 1
meta-ibm/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-enable@.service
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[Unit]
Description=Enable the AVS bus on VRMs
Wants=vrm-control@%i.service
After=vrm-control@%i.service
Conflicts=obmc-chassis-poweroff@%i.target
ConditionPathExists=!/run/openbmc/chassis@%i-on
[Service]
ExecStart=/usr/bin/avsbus-enable.sh
Type=oneshot
RemainAfterExit=yes
[Install]
WantedBy=obmc-chassis-poweron@%i.target