sonic-buildimage/platform/barefoot/sonic-platform-modules-netberg/debian/sonic-platform-netberg-aurora-610.init

#!/bin/bash

### BEGIN INIT INFO
# Provides:          setup-board
# Required-Start:
# Required-Stop:
# Should-Start:
# Should-Stop:
# Default-Start:     S
# Default-Stop:      0 6
# Short-Description: Setup Netberg Aurora 610 board.
### END INIT INFO

case "$1" in
start)
    echo "Setting up board... " >> /dev/kmsg
    INIT_ERROR="FALSE"
    
    depmod -a

    # Insert modules by order
    rmmod lpc_ich
    rmmod gpio_ich

    modprobe gpio_ich gpiobase=0
    modprobe lpc_ich
    modprobe i2c-gpio
    modprobe i2c-mux-pca954x
    modprobe i2c-dev
    modprobe net_platform
    modprobe net_psoc
    modprobe net_cpld
    modprobe optoe

    # wait net_platform init complete
    # wait hwmon0 (coretemp) load complete to make sure psoc and cpld
    PLATFORM_WAITING_COUNT=0
    while [ $PLATFORM_WAITING_COUNT -le 10 ]
    do
        if [ -d /sys/bus/i2c/devices/i2c-0/ ] &&
        [ -d /sys/bus/i2c/devices/i2c-2/ ] &&
        [ -d /sys/bus/i2c/devices/i2c-3/ ] &&
        [ -d /sys/bus/i2c/devices/i2c-4/ ] &&
        [ -d /sys/bus/i2c/devices/i2c-5/ ] &&
        [ -d /sys/bus/i2c/devices/i2c-6/ ] &&
        [ -d /sys/bus/i2c/devices/i2c-7/ ] &&
        [ -d /sys/bus/i2c/devices/i2c-8/ ] &&
        [ -d /sys/class/hwmon/hwmon0/ ]
        then
            break
        else
            #200ms for each step
            sleep 0.2
            let "PLATFORM_WAITING_COUNT++"
        fi
    done


    if [ -d "/sys/bus/i2c/devices/i2c-0/" ]
    then
        echo net_cpld 0x77 > /sys/bus/i2c/devices/i2c-0/new_device
    else
        echo "i2c-0 error" >> /dev/kmsg
        INIT_ERROR="TRUE"
    fi

    # IPMI support
    modprobe ipmi_devintf

    # Attach 48 instances of EEPROM driver SFP ports on IO module
    #eeprom can dump data using below command
    if [ -d "/sys/bus/i2c/devices/i2c-2/" ]
    then
        for ((i=10;i<=17;i++));
        do
        echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-2/i2c-$i/new_device
        done
    else
        echo "i2c-2 error" >> /dev/kmsg
        INIT_ERROR="TRUE"
    fi

    if [ -d "/sys/bus/i2c/devices/i2c-3/" ]
    then
        for ((i=18;i<=25;i++));
        do
        echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-3/i2c-$i/new_device
        done
    else
        echo "i2c-3 error" >> /dev/kmsg
        INIT_ERROR="TRUE"
    fi


    if [ -d "/sys/bus/i2c/devices/i2c-4/" ]
    then
        for ((i=26;i<=33;i++));
        do
        echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-4/i2c-$i/new_device
        done
    else
        echo "i2c-4 error" >> /dev/kmsg
        INIT_ERROR="TRUE"
    fi

    if [ -d "/sys/bus/i2c/devices/i2c-5/" ]
    then
      for ((i=34;i<=41;i++));
      do
      echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-5/i2c-$i/new_device
      done
    else
        echo "i2c-5 error" >> /dev/kmsg
        INIT_ERROR="TRUE"
    fi

    if [ -d "/sys/bus/i2c/devices/i2c-6/" ]
    then
        for ((i=42;i<=49;i++));
        do
        echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-6/i2c-$i/new_device
        done
    else
        echo "i2c-6 error" >> /dev/kmsg
        INIT_ERROR="TRUE"
    fi

    if [ -d "/sys/bus/i2c/devices/i2c-7/" ]
    then
        for ((i=50;i<=57;i++));
        do
        echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-7/i2c-$i/new_device
        done
    else
        echo "i2c-7 error" >> /dev/kmsg
        INIT_ERROR="TRUE"
    fi


    # Attach 6 instances of EEPROM driver QSFP ports on IO module
    #eeprom can dump data using below command
    if [ -d "/sys/bus/i2c/devices/i2c-8/" ]
    then
        for ((i=58;i<=65;i++));
        do
        echo optoe1 0x50 > /sys/bus/i2c/devices/i2c-8/i2c-$i/new_device
        done
    else
        echo "i2c-8 error" >> /dev/kmsg
        INIT_ERROR="TRUE"
    fi

    if [ $INIT_ERROR != "TRUE" ]
    then
        case "$(cat /proc/cmdline)" in
          *fast-reboot*)
            modprobe swps io_no_init=1
            ;;
          # warm-reboot will be set to fastfast in barefoot
          *fastfast*)
            modprobe swps io_no_init=1
            ;;
          *)
            modprobe swps
            ;;
        esac
	modprobe at24
        echo 24c64 0x53 > /sys/bus/i2c/devices/i2c-0/new_device
    else
        echo " AS: nba610 init fail" >> /dev/kmsg
    fi

    # Setting ARP garbage collection threshold values
    echo "Setting IPv4 Neighbor GC threshold values."
    sysctl -w net.ipv4.neigh.default.gc_thresh1=16384
    sysctl -w net.ipv4.neigh.default.gc_thresh2=32768
    sysctl -w net.ipv4.neigh.default.gc_thresh3=32768

    echo "done."
    ;;

stop)
    exit 0
    # remove modules by order
    rmmod at24
    rmmod swps
    # rmmod optoe
    rmmod net_cpld
    rmmod net_psoc
    rmmod net_platform
    rmmod i2c-dev
    rmmod i2c-mux-pca954x
    rmmod i2c-gpio
    rmmod lpc_ich
    rmmod gpio_ich

    echo "done."
    ;;


force-reload|restart)
    echo "Not supported"
    ;;

*)
    echo "Usage: /etc/init.d/sonic-platform-netberg-aurora-610.init {start|stop}"
    exit 1
    ;;
esac

exit 0