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#!/bin/sh
function get_devmem()
{
/usr/bin/devmem2 $1 | grep ": " | cut -d ":" -f 2|cut -d "x" -f 2
}
function hex_to_mac_addr()
{
addr=$1
n=0
mac_addr=$(echo ${addr} | while read -r -n2 c; do
if [ ! -z "$c" ]; then
if [ $n -ne 0 ] ; then
echo -n ":${c}"
else
echo -n "${c}"
fi
fi
n=$(($n+1))
done)
echo ${mac_addr}
}
function reverse_bytes()
{
addr=$1
New_addr=$(echo ${addr} | while read -r -n2 c; do
if [ ! -z "$c" ]; then
New_addr=${c}${New_addr}
else echo
echo ${New_addr}
fi
done)
echo ${New_addr}
}
mac_address="/proc/device-tree/ocp/ethernet@4a100000/slave@4a100300/mac-address"
if [ -f ${mac_address} ] ; then
DEV_ADDR=$(hexdump -v -e '1/1 "%02X" ":"' ${mac_address} | sed 's/.$//')
else
DEVMEM_ADDR_LO=$(get_devmem 0x44e10638|bc)
DEVMEM_ADDR_LO=$(reverse_bytes ${DEVMEM_ADDR_LO})
DEVMEM_ADDR_HI=$(get_devmem 0x44e1063C)
DEVMEM_ADDR_HI=$(reverse_bytes ${DEVMEM_ADDR_HI})
DEV_ADDR=$(hex_to_mac_addr "${DEVMEM_ADDR_HI}${DEVMEM_ADDR_LO}")
fi
SERIAL_NUMBER=$(hexdump -e '8/1 "%c"' /sys/bus/i2c/devices/0-0050/eeprom -s 14 -n 2)-$(hexdump -e '8/1 "%c"' /sys/bus/i2c/devices/0-0050/eeprom -s 16 -n 12)
ISBLACK=$(hexdump -e '8/1 "%c"' /sys/bus/i2c/devices/0-0050/eeprom -s 8 -n 4)
BLACK=""
if [ "${ISBLACK}" = "BBBK" ] ; then
BLACK="Black"
fi
if [ "${ISBLACK}" = "BNLT" ] ; then
BLACK="Black"
fi
modprobe g_multi file=/dev/mmcblk0p1 cdrom=0 stall=0 removable=1 nofua=1 iSerialNumber=${SERIAL_NUMBER} iManufacturer=Circuitco iProduct=BeagleBone${BLACK} host_addr=${DEV_ADDR}
sleep 1
/usr/bin/ifconfig usb0 192.168.7.2 netmask 255.255.255.252
/usr/bin/route add default gw 192.168.7.1
/usr/bin/dhcpd -4 -q -cf /etc/dhcpd-usb0.conf usb0
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