62 lines
1.7 KiB
Bash
62 lines
1.7 KiB
Bash
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#!/bin/bash
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# Platform init script for Nokia IXS 7215
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# Load required kernel-mode drivers
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load_kernel_drivers() {
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# Remove modules loaded during Linux init
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# FIX-ME: This will be removed in the future when Linux init no longer loads these
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rmmod i2c_mux_gpio
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rmmod i2c_dev
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rmmod i2c_mv64xxx
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# Carefully control the load order here to ensure consistent i2c bus numbering
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modprobe i2c_mv64xxx
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modprobe i2c_dev
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modprobe i2c_mux_gpio
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modprobe eeprom
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}
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nokia_7215_profile()
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{
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MAC_ADDR=$(sudo decode-syseeprom -m)
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sed -i "s/switchMacAddress=.*/switchMacAddress=$MAC_ADDR/g" /usr/share/sonic/device/armhf-nokia_ixs7215_52x-r0/Nokia-7215/profile.ini
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echo "Nokia-7215: Updating switch mac address ${MAC_ADDR}"
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}
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# - Main entry
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# Install kernel drivers required for i2c bus access
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load_kernel_drivers
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# LOGIC to enumerate SFP eeprom devices - send 0x50 to kernel i2c driver - initialize devices
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# the mux may be enumerated at number 4 or 5 so we check for the mux and skip if needed
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# Get list of the mux channels
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ismux_bus=$(i2cdetect -l|grep mux|cut -f1)
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# Enumerate the SFP eeprom device on each mux channel
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for mux in ${ismux_bus}
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do
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echo optoe2 0x50 > /sys/class/i2c-adapter/${mux}/new_device
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done
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# Enumerate system eeprom
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echo 24c02 0x53 > /sys/class/i2c-adapter/i2c-0/new_device
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sleep 2
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chmod 644 /sys/class/i2c-adapter/i2c-0/0-0053/eeprom
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# Enumerate fan eeprom devices
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echo eeprom 0x55 > /sys/class/i2c-adapter/i2c-0/new_device
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echo eeprom 0x56 > /sys/class/i2c-adapter/i2c-0/new_device
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# Enable optical SFP Tx
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i2cset -y -m 0x0f 0 0x41 0x5 0x00
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# Ensure switch is programmed with chassis base MAC addr
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nokia_7215_profile
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echo "Nokia-7215 - completed platform init script"
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exit 0
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