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[platform/cel]: Fixed iSMT SMBUS conflict in Seastone-DX010. (#6889)

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#### Why I did it
- The iSMT SMBUS I2c bus number conflicts in different kernel versions.

#### How I did it
- Add I2cbus number detector for iSMT bus
- Replace iSMT bus number in fancontrol config
This commit is contained in:
Wirut Getbamrung 2021-03-11 01:38:09 +07:00 committed by GitHub
parent 94c524276a
commit 37fc4d4afb
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1 changed files with 12 additions and 16 deletions
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28
platform/broadcom/sonic-platform-modules-cel/debian/platform-modules-dx010.init
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@ -39,35 +39,31 @@ start)
modprobe leds-dx010 modprobe leds-dx010
modprobe lm75 modprobe lm75
found=0 # Detect iSMT SMBus
for devnum in 0 1; do ismt_bus=$(i2cdetect -l | grep 'SMBus iSMT' | cut -c5)
devname=`cat /sys/bus/i2c/devices/i2c-${devnum}/name`
# iSMT adapter can be at either dffd0000 or dfff0000
if [[ $devname == 'SMBus iSMT adapter at '* ]]; then
found=1
break
fi
done
[ $found -eq 0 ] && echo "cannot find iSMT" && exit 1 [ -z $ismt_bus ] && echo "cannot find iSMT" && exit 1
i2cset -y ${devnum} 0x70 0x10 0x00 0x01 i # Update the iSMT bus number in the fancontrol configuration.
sed -i "s/13.0\/i2c-[0-9]/13.0\/i2c-$ismt_bus/g" /usr/share/sonic/device/x86_64-cel_seastone-r0/fancontrol
i2cset -y ${ismt_bus} 0x70 0x10 0x00 0x01 i
# Attach PCA9541 Ox70 Master Selector # Attach PCA9541 Ox70 Master Selector
chmod 755 /sys/bus/i2c/devices/i2c-${devnum}/new_device chmod 755 /sys/bus/i2c/devices/i2c-${ismt_bus}/new_device
echo pca9541 0x70 > /sys/bus/i2c/devices/i2c-${devnum}/new_device echo pca9541 0x70 > /sys/bus/i2c/devices/i2c-${ismt_bus}/new_device
sleep 1 sleep 1
# Attach PCA9548 0x71 Channel Extender for Main Board # Attach PCA9548 0x71 Channel Extender for Main Board
echo pca9548 0x71 > /sys/bus/i2c/devices/i2c-${devnum}/new_device echo pca9548 0x71 > /sys/bus/i2c/devices/i2c-${ismt_bus}/new_device
sleep 1 sleep 1
# Attach PCA9548 0x73 Channel Extender for CPU Board # Attach PCA9548 0x73 Channel Extender for CPU Board
echo pca9548 0x73 > /sys/bus/i2c/devices/i2c-${devnum}/new_device echo pca9548 0x73 > /sys/bus/i2c/devices/i2c-${ismt_bus}/new_device
sleep 1 sleep 1
# Attach PCA9548 0x77 Channel Extender for Fan's EEPROMs # Attach PCA9548 0x77 Channel Extender for Fan's EEPROMs
echo pca9548 0x77 > /sys/bus/i2c/devices/i2c-${devnum}/new_device echo pca9548 0x77 > /sys/bus/i2c/devices/i2c-${ismt_bus}/new_device
sleep 1 sleep 1
# Attach syseeprom # Attach syseeprom