#!/bin/bash

### BEGIN INIT INFO
# Provides:          setup-board
# Required-Start:    $portmap
# Required-Stop:
# Should-Start:
# Should-Stop:
# Default-Start:     S
# Default-Stop:      0 6
# Short-Description: Setup Haliburton board.
### END INIT INFO

setup_swap () {
    SWAPFILE=/host/myswapfile

    if [ ! -f $SWAPFILE ]; then
        availspace=`df -h --output=avail /host | sed '1d;s/\s//g;s/[^0-9].*//g'`
        diff=$(( availspace - 2*$1 ))
        if [ $diff -gt 0 ]; then
            fallocate -l ${1}G $SWAPFILE
            chmod 600 $SWAPFILE
            echo "swap file created successfully"
        else
            echo "not enough disk space to turn on swap."
            return
        fi
    fi
    mkswap $SWAPFILE
    swapon $SWAPFILE
    echo "swap on successfully"
}

case "$1" in
start)
        echo -n "Setting up board... "

        modprobe smc
        modprobe hlx_gpio_ich
        modprobe dps200
        modprobe cp210x

        found=0
        for devnum in 0 1; do
                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

        i2cset -y ${devnum} 0x73 0x10 0x00 0x01 i
        sleep 0.5

        # Attach PCA9548 0x73 Channel Extender for CPU Board
        echo pca9548 0x73 > /sys/bus/i2c/devices/i2c-${devnum}/new_device
        sleep 1

        # Attach PCA9541 Ox71 Master Selector
        chmod 755 /sys/bus/i2c/devices/i2c-${devnum}/new_device
        echo pca9548 0x71 > /sys/bus/i2c/devices/i2c-8/new_device
        sleep 1

        # Attach PCA9548 0x72 Channel Extender for Main Board
        echo pca9548 0x72 > /sys/bus/i2c/devices/i2c-8/new_device
        sleep 1

        # Attach syseeprom
        echo 24lc64t 0x50 > /sys/bus/i2c/devices/i2c-2/new_device

        echo max6699 0x1a > /sys/bus/i2c/devices/i2c-3/new_device
        echo max6699 0x1a > /sys/bus/i2c/devices/i2c-11/new_device

        # Attach PSUs
        echo dps200 0x5a > /sys/bus/i2c/devices/i2c-12/new_device
        echo 24c02 0x52 > /sys/bus/i2c/devices/i2c-12/new_device
        echo dps200 0x5b > /sys/bus/i2c/devices/i2c-13/new_device
        echo 24c02 0x53 > /sys/bus/i2c/devices/i2c-13/new_device

        # Attach fans
        echo emc2305 0x4d > /sys/bus/i2c/devices/i2c-23/new_device

        # Attach 4 SFP+ Uplink
        echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-14/new_device
        echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-15/new_device
        echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-16/new_device
        echo optoe2 0x50 > /sys/bus/i2c/devices/i2c-17/new_device

        # Enable SFP module presence interrupt
        echo "both" > /sys/devices/platform/e1031.smc/SFP/modabs_trig
        echo 0 > /sys/devices/platform/e1031.smc/SFP/modabs_mask

        /bin/sh /usr/local/bin/platform_api_mgnt.sh init

        setup_swap 2

        echo "done."
        ;;

stop)
        echo "done."
        ;;

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

*)
        echo "Usage: /etc/init.d/platform-modules-haliburton.init {start|stop}"
        exit 1
        ;;
esac

exit 0